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deck mechanism disassembly

1. beo ome pr Reset is defective Tu d et dead i Se d 4 1 504 is defective 111 39 36 28 281 44 141 W FRONT A V OPTION 52 m suo RBI LED CLOCK rd V HSW DV SYNC CTL CTL E AVA PMJOT A ola as MODEL ONLY z LEU R IC501 Pin 105 501 PIN 109 IC501 Pin 3 IC501 Pin4 DATA IN 1 1 5K 11 DATA OUT 2 gt 8 8 st 8 20501 EAD 1V 10mS 1V 100uS 1V 10mS 1V 10mS MDO 5 8 5 GND E gle 1 SN CNN QUE REV MODE B AVA 5 i R509 5 TIMER 7 GND
2. t 5 7 7 560 1000P 12 5D 7 C8R2 T HiFi AGED 2 1802 1 raid 11 HiFi RECGSE Ls zee 2505345 ROMS id HiFi GGD 7 v ORO peu 5 2 144 826 Sta E ZD803 40 MUTE H A H SW 106 S gt T 8 8 5902 902 8 45 DATAGO 4 IR LGD st Six 20804 5 5 470u 16y youT_st A ENVGS ET C830 C829 MTZ13A ola C960 5 8828 Swe 0 10 0 01M TT SST Four 6 JK901 85480 583 gos 1 879 32 R90 CART1 255 DEL 9 RJS 1 rue ee L905 J9M8 4 7 10 WAN 09 9 57 8 8 9 6 69 69 69 523 HQ NICAM A LGL 1801 4 C827 89 1 vc OPP Or 0 104 16 S J9M4 19 Vout ven
3. mono Audio Signal in PB MODE 4 Y C 2 Y 4 C 4 PB SECAM COLOR REC gt REC Y Bh REC C 49 REC SECAM COLOR B REC AUDIO FL301 Q301 Q306 are defective Normal Audio signal is not recorded gt AUDIO MONO 3 33 3 34 03 1 7 R15002A ex denom com D SCHEMATIC AVCP SECAM S EZ AVCP SECAM S EZ C201 C202 C205 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C217 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C319 C320 C321 C322 C323 C324 C325 C326 C327 C328 C329 C330 C331 C332 C333 C334 C335 C336 C337 C338 C339 C340 C341 C342 C343 C344 C345 C346 C347 C348 C349 C355 C355 C356 C357 C358 C359 C360 C361 C362 C363 C364 C365 C366 C367 C368 C369 C370 C371 C372 C401 C402 C403 C404 C405 D301 FL301 1C201 12301 1401 10402 4301 1201 1301 M6 N6 N6 N6 P6 P6 P6 PQ 09 09 010 N10 L10 M9 D5 C4 E5 F11 F10 E4 E4 D3 F10 C3 D3 E10
4. AL NO LG DESCRIPTION SPECIFICATION REMARKS R308 0RD4701F608 O O O 0 FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R309 0RD1001F608 0 FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R310 0804701 608 O O O 0 FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R311 0801001 608 O O O 0 FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R312 ORD6802F608 0 CARBON FILM 68 OHM 1 6 W 5 TA26 R313 0800221 608 0 CARBON FILM 2 2 OHM 1 6 W 5 TA26 R314 0801001 608 FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R315 0800472 608 0 FIXED CARBON FILM 47 OHM 1 6 W 5 TA26 R316 0801000 608 O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R317 0805601 608 FIXED CARBON FILM 5 6K OHM 1 6 W 5 TA26 R318 0803901 608 O RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 T
5. Ava SS vliva 09 MIJ 6S CD 1 518 21 EM osesvas Fragoo MOO 18 NOILISINOV 93918 viva ANAS VLVG 9 8 LL 5506 T VAES 101 a lt U CD lt e CD CD CD 5 62 00 gt 1no wni 99 9 lav 42 13v as ar 2 2 00 5 ms 6 TW Aes CN 9 en 6 D 950 si ZHINZEL 8 Q ay DD ne cz el 0 0 0 9 0 9 9 0 0 0 0 5 92 g PP 1 DILE WE 3 3 C g vas 8 T 7 005 69 3 Dell 401435 Ma anios 1 ON oov 8 4 18291 TNTS 2 65 w azana i a MOO 1d eV NVOIN on 89 d 61 ansa ON 9 an vas 4 02 55 99 dl SSAHV 69 4 13538 amp 5 5 2 b 9 33 120000040906 DL 55555545264 886880868888 1 3 7 3 35 8 z 8 gt 182 ii 01 no y eunl 01 no y ueog ueog MODE 1082 yoolg
6. LOCA NO PART NO LG H DESCRIPTION SPECIFICATION REMARKS R528 0RD4701F608 O O O O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R529 ORD1002F608 O O O O RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R530 0RD4701F608 O O O CARBON FILM 4 7K OHM 1 6 W 5 TA26 R531 0801002 608 O O O CARBON FILM 10K OHM 1 6 W 5 TA26 R535 0804703 608 O RESISTOR FIXED CARBON FILM 470K OHM 1 6 W 5 TA26 R542 0802201 608 O RESISTOR FIXED CARBON FILM 2 2 OHM 1 6 W 5 TA26 543 0801000 608 O O O O O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R544 0RD4701F608 FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R546 0805601 608 O O O O CARBON FILM 5 6K OHM 1 6 W 5 TA26 R547 0801202 608 OJRESISTOR FIXED CARBON FILM 12K OHM 1 6 W 5 TA26 R548 0801003 608 O O O O OJRESISTOR FIXED CARBON FILM 100K OHM 1 6 W 5 TA26 R550 ORD2200F608 OJRESISTOR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 553 ORD2200F6
7. ex denom com AL LOCA NO PART NO LG H DESCRIPTION SPECIFICATION REMARKS D902 0DD133009AA DIODE SWITCHING 155133 DETECT SW_TP 0903 0DD133009AA O O O 0 O DIODE SWITCHING 155133 DETECT SW D904 000133009 O O SWITCHING 155133 DETECT SW D9M1 0DD133009AA DIODE SWITCHING 155133 DETECT SW TP D9M2 000133009 O O O 0 DIODE SWITCHING 155133 DETECT SW 5501 4931R 0050C O HOLDER ASSEMBLY END DI 25502 4931R 0050C O O O O HOLDER ASSEMBLY END DI F101 585 011 O O O O O FUSE SLOW BLOW 1600 250 V 5 2X20 CY GL SEMK F102 GIRH200000B IC ROHM ICP N20 T104 TP IC DETACT FHO1 586 008 HOLDER FUSE CLIP TP SINSUNG FHO2 586 008 FUSE CLIP TP SINSUNG FL301 633 032 OSC 1CHIP 5V KS 75M KWAN IC101 0IPMGSK003A MANAGEMENT STR A6351 SANKEN 8 DIP ST SMPS A 102 657 06 O SENSOR LTV 817B PHOTO COUPLER LITEON IC103 OIKE431000A
8. 3 43 3 44 ex denom com ex denom com PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C Board Je 3 uU BK WH 22 d L102 4 1 124 lt lt 24 9 53 an NE BD101 103 Di N Rio 4 Lu EET ge 22 I D n 112 gt 1 N fa 1 1 1 ij e ll 1 Bw PA
9. CARBON FILM 120K OHM 1 6 W 5 TA26 R515 ORD2700F608 0 FIXED CARBON FILM 270 OHM 1 6 W 5 TA26 R516 0804703 608 CARBON FILM 470K OHM 1 6 W 5 TA26 R517 0804700 608 FIXED CARBON FILM 470 OHM 1 6 W 5 TA26 R518 0801001 608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R520 ORD3901F608 O RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 TA26 R521 0804701 608 FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R522 ORD1001F608 O O O FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R523 ORD1002F608 O RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R524 ORDO222F608 O RESISTOR FIXED CARBON FILM 22 OHM 1 6 W 5 TA26 R525 ORD5601F608 FIXED CARBON FILM 5 6K OHM 1 6 W 5 TA26 R526 0805601 608 FIXED CARBON FILM 5 6K OHM 1 6 W 5 TA26 R527 _ ORD1002F608 CARBON FILM 10K OHM 1 6 W 5 TA26 ex denom com 5 11 ex denom com
10. Locking Time Less than 5 CH 1 PB RF Envelope Play an Alignment Tape e Alignment Tapes with 6H 860 CH 2 Audio Output with 6H 3kHz Color Bar 3KHz Color Bar Signal e Audio Locking Time Less than RF Envelope Output Point Signal Stop Watch 10sec Audio Output Jack Checking Procedure NOTES Play an Alignment Tape then change the operating mode to 1 CUE is the forward search mode CUE or REV and confirm if the unit meets the above listed 2 REV is the backward search mode specifications 3 Refer to the Play mede 8 2 Checking for tape curling or jamming Test Equipment Fixture Test Conditions Mechanism Condition T 160 Be sure there is no tape jamming or curling Run the CUE REV Play mode at T 120 the begining middle or end of the tape beginning and the end of the tape Checking Procedure 1 Confirm that the tape runs smoothly around the roller 2 Confirm that the tape passes over the A C Head guides Drum and A C Head Assemblies while abruptly Assembly as indicated by proper audio reproduction and changing operating modes from Play to CUE or REV proper tape counter performance This is to be checked at the begining middle and end sections of the tape 4 18 ex denom com ex denom com MAINTENANCE INSPECTION PROCEDURE 1 Check before starting repairs The following faults can be remedied by cleaning and oil ing
11. FIXED CARBON FILM 10 OHM 1 6 W 5 TA26 R501 0801000 608 CARBON FILM 100 OHM 1 6 W 5 TA26 R502 ORD1000F608 O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R503 0804701 608 O O O 0 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R504 0801001 608 FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R505 0801001 608 FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R506 0801002 608 0 O RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 507 ORD1002F608 FIXED CARBON FILM 10 OHM 1 6 W 5 TA26 R508 0802201 608 CARBON FILM 2 2K OHM 1 6 W 5 TA26 R509 0802201 608 FIXED CARBON FILM 2 2K OHM 1 6 W 5 TA26 R510 ORD2201F608 0 CARBON FILM 2 2K OHM 1 6 W 5 TA26 R511 0801001 608 CARBON FILM 1K OHM 1 6 W 5 TA26 R512 0801001 608 FIXED CARBON FILM 1 OHM 1 6 W 5 TA26 R513 0801001 608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R514 0801203 608
12. ELECTROLYTIG 47M SRA SS 16V 5 TP 5 C365 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C366 0 1040 948 O TUBULAR High d 0 1UF 50 80 20 F Y5V TA C367 0 1040 948 O TUBULAR High d 0 1UF 50 80 20 F Y5V C368 0 08224 409 O O O O O CAPACITOR FIXED FILM 0 0082UF 50V 5 5 C369 0 1010 518 O O O O CAPACITOR TUBULAR HIGH DIELEC 100P 50 KB TA26 C370 0 8200 418 0 0 0 0 0 0 0 TUBULA HIGH DIELE 82P 50V JB C371 0 8200 418 O CAPACITOR TUBULA HIGH DIELE 82P 50V JB TA26 C372 0 8200 418 TUBULA HIGH DIELE 82P 50V JB C373 0 1040 948 TUBULAR High d 0 1UF 50 80 20 F Y5V TA C375 0 1020 518 TUBULA HIGH DIELE 1000P 50V KB TA26 C500 0 4775 638 ELECTROLYTIC 470UF SR SV 6 3V 20 FM5 TP 5 C501 0 1040 948 O TUBULAR High d 0 1UF 50 80 20 F Y5V TA C502 0 4764 638 ELECTROLYTIG 47M SRA S
13. BEAD CORE BFS3550R2FD8 R 1911 01 41000 018 INDUCTOR AXIAL LEAD 100 2 3X3 4 15 TP L912 OLA1000K018 INDUCTOR AXIAL LEAD 100 2 3X3 4 L5 TP 1913 874 000 O WIRE COPPER TIN COATED 0 0 6 ROLL L914 01 41000 018 INDUCTOR AXIAL LEAD 100 2 3 3 4 L5 TP 1915 01 41000 018 INDUCTOR AXIAL LEAD 100 2 3X3 4 L5 TP L9F1 OLA1000K018 INDUCTOR AXIAL LEAD 100 2 3X3 4 L5 TP L9F2 OLA1000K018 INDUCTOR AXIAL LEAD 100 2 3X3 4 L5 TP 10501 49318 0017 HOLDER ASSY LED DI CKD LOCAL 0501 63019200020 ojo O O O LED ASSY TOF 3462AGE B OASIS UNIVERSAL LED502 6301R2U001A ojo LED ASSY TOH 30M05G1 OASIS UNIVERSAL 6 5501 6600 8005 O SWITCH MODE 5 1MA VERTICAL G 1 561 2345 CIRC FFC FPC GF120 9S TS A LG CABLE 1 25 1 561 234 CONNECTOR CIRC FFC FPC GF120 6S TS A LGC 6PIN 1 25MM 01 561 2342 CONNECTOR CIRC FFC FPC GF120 3S TS A LGC 1 25MM P3D02 66308550104 O CONNECTOR CIRC GF105 06S TS LG CABLE 6PIN 2MM P3D03 561 251 CONNECTOR CIRC DRAWING GB201 2P TS B LGC PBMOO 3111R 0089C CASE ASSEMBLY VCR PRE AMP 02 PAL PBMOO 6871R 7801L P
14. FIXED CARBON FILM 1 8K OHM 1 6 W 5 TA26 R706 0802200 608 0 CARBON FILM 220 OHM 1 6 W 5 TA26 R707 ORD2200F608 O RESISTOR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 R709 0801001 608 O O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 753 0801001 608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R754 0803301 608 RESISTOR FIXED CARBON FILM 3 3K OHM 1 6 W 5 TA26 R755 0803301 608 RESISTOR FIXED CARBON FILM 3 3K OHM 1 6 W 5 TA26 R758 0RD4701F608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 26 R759 ORD5601F608 RESISTOR FIXED CARBON FILM 5 6K OHM 1 6 W 5 26 R7M1 0801001 608 0 CARBON FILM 1K OHM 1 6 W 5 TA26 R7M2 0802200 608 0 CARBON FILM 220 OHM 1 6 W 5 TA26 R7M3 0801001 608 0 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R7M5_ ORD2200F608 O O O 0 O RESISTOR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 R7V1 ORD1004F608 RESISTOR FIXED CARBON FILM 1M OHM 1 6 W 5 TA26 R7V2 ORD1003F608 RESISTOR FIXED CARBON FILM 100K OHM 1 6 W 5 TA26 R7V3 ORD6801F608 RESISTOR FIXED CARBON FILM 6 8K OHM 1 6 W 5 TA26 R7V4 ORD5603F608 RESISTOR FIXED CARBON FILM 560K OHM 1 6 W 5 00 TA26 R7
15. 8 6 8 8 e C963 Ir 22 1 w370 5 129 en Lor SIT TRE Cm C824 5 m Ze 38 8 e s 0820 e 4368 29 BAE 70804 70803 R308 W367 W598 R507 R506 VCC R510 W533 o 60 Sue up 32 768KHz 28 3 X50 40 MHz 0 2 2 815 B SNe CSTE 2 NRN 2 1 5 8 20 mm r Oe 2 16 3 5 44 8 L D VCC 9 CAP CTL ITE 10 L M CTL fy oa 6 MOT GND TLDPG DFG 1 7 5 12 DRUM CTL o B SEE KA mE EE SLE ala 55 1688 1 J9MT7 Ne La 9630 De 18831 he 0327 e 1425577 Pras 2 ex 5 7 9 T Me 11445 z ale 8 16 Lar P mal i 50111 0 ma 8338 F V IN W385 5 4VA EEN 7 W386 7 W578 4 0523 X C YIN Bride VENW 2387 SS 1 2 BH S390 1211 51 V OUT o e it LI C905 gt 103 P m 8906 2 IL R
16. 1 03 1 7 15000 77 D SCHEMATIC SMPS 1 NOTE EC999NS NOTES Symbol denotes AC ground rh Symbol denotes DC chassis ground NOTE Warning Parts that are shaded are critical With respect to risk of fire or electricial shock with specified part number during TUNER mode 1 Shaded m parts are critical for safety Replace only 2 Voltages are DC measured with a digital voltmeter 3 29 3 30 LOCATION GUIDE BD101 C101 C102 C105 C105 C106 C109 C112 C113 C114 C115 C116 C117 C120 C121 C123 C127 C129 C135 C153 C190 D102 D105 D104 D105 D106 D109 D110 D154 D155 D156 D159 D160 1 FHO2 IC101 102 IC103 L101 L102 L103 L104 L106 PW101 Q151 Q152 C8 E8 E7 D6 E3 B6 G2 F3 F5 G5 F8 G8 F6 E2 D6 E4 H7 J4 D7 D7 03 F3 F5 F8 F6 H4 J7 J8 A3 A3 D5 F2 F2 B5 G5 G8 E3 A2 H5 H4 Q154 Q155 Q157 Q159 0161 0162 0163 0164 0165 0166 R101 R102 R103 R104 R105 R106 R109 R112 R116 R117 R118 R119 R120 R121 R122 R125 R126 R151 R152 R153 R154 R155 R157 R158 R159 R161 R163 R166 R167 R170 R172 R173 T101 V101 ZD151 H3 H8 J7 G6 H6 H5 14 17 G7 H5 B8 B7 E7 D8 G8 7 E4 G3 62 62 62 H2 H2 H2 G6 E4 E4 G5 H5 64 H4 H3 G3 H3 H8 4 H6 G6 G6 J7 65 H5 4 17 ex denom com 2 Tuner NICAM Cir
17. 5V POWER Modulator Short protection off mode DJO1 Diode in Series POWER AVCP IC 1 4 ex denom com ex denom com SERVICE NOTICE ON REPLACING EEPROM In case that defective EEPROM of PAL models is replaced to operate these sets from the initial state MP KEY must be repaired as well before delivering to the customer If MP KEY isn t repaired the setting of RF OUT channel or LANGUAGE might be different from that for cus tormer s country KEY In case of PAL VCR if holding the REC button on the front panel and the CLEAR button on the remote control handset for 5 7 seconds with power being switch all and no tapes OK is displayed at FLD for FLD models and LED becomes on for LED CLOCK models This is the state that initializing EEPROM is finished In case of PAL VCP if holding the REC button on the front panel and the MENU button on the remote control handset for 5 7 seconds with power being off and no tapes All the LED DOTs become on This is the state that initializing EEPROM is finished KEY s function MP KEY sets 5 data up to the initial state e FLD MODEL KEY LED CLOCK MODEL MP KEY Switch all on a Light LED DOT MODEL e KEY Switch all on a Light 1 5 ex denom com ex denom com SERVICE INFORMATION FOR EEPROM IC SETTING EEPROM option code No setting EEPROM option code No
18. O TRANSISTOR BIPOLARS KTA1268 BL TP 0155 0 320509 OJ TRANSISTOR KTC3205 TP Y KTC2236A KEC 0157 OTR120309AE OJ TRANSISTOR SRC1203 TP AUK TO92 22 22 0159 0TR127309AA ojo O O O O TRANSISTOR KTA1273 TP Y KTA966A KEC 0161 0 534309 ojo O O O O TRANSISTOR 2SC5343 L TP AUK TO92 0162 OTR534309BA O TRANSISTOR 2SC5343 L TP AUK TO92 0163 OTR120109AC OJ TRANSISTOR SRC1201 AUK TO92 4 7K 4 7K 0164 OTR120309AE OJ TRANSISTOR SRC1203 TP AUK TO92 22 22 0165 0 220309 OJ TRANSISTOR SRA2203 TP AUK TO92 22 22 0166 0 127309 O O O 0 O TRANSISTOR KTA1273 TP Y KTA966A KEC 9301 0 534309 O O O O O O O OJ TRANSISTOR 2SC5343 L TP AUK TO92 5 9 ex denom com ex denom com LOCA NO PART NO LG H DESCRIPTION SPECIFICATION REMARKS 0302 OTR198009CA 2SA1980G AUK TO92 0303 0 534309 5 2SC5343 L AUK TO92 0304 0 5343
19. 4 8 4 8 22 Gluten Assembly D35 ereen 4 8 23 Brake Assembly Capstan 4 8 24 Gear Drive Gear 4 9 25 Gear Sector eM 4 9 26 Plate Slider mer m 4 9 27 Lever Tension DIEM 4 9 28 Lever 4 9 29 Assembly P2 Gear Assembly 4 10 30 Base Assembly P2 Base Assembly 4 10 91 Loading e uber 4 11 32 Base 4 11 33 Arm Assembly Idler 4 11 DECK MECHANISM ADJUSTMENT e Tools and Fixtures for Service 4 12 1 Mechanism Alignment Position Check 4 13 2 Preparation for Adjustment 4 14 3 Checking Torque 4 14 4 Guide Roller Height Adjustment 4 15 4 1 Preliminary Adjustment 4 15 4 2 Precise Adjustment 4 15 5 Audio Control A C Head Adjustment 4 16 5 1 Preliminary Adjustment 4 16 5 2 Confirmation of Tape Path between Pinch Roller and Take up Guide 4 17 5 3 Precise Adjustment Azimuth Adjustment 4 17 6 Adjustment 4 17 7 Adjustment after Replacing Drum Assembly Video Heads 4 18 8 Check the Tape Travel after R
20. Tu 8071 Me s Ze gt IIS eI T ae Sie le S 769 a W770 s PT 472 S WIT 007 Em IMI _ Eva Ne fj Pp 58 he C364 mper GRT L 1 gt I Cw 1 R751 1 va iur 5 8 al did 00 8 218 s 8 8 4 19 2 zE 51515 ale el ziet ala et Ex SES 55 B S a a 8 erg rS pepe a 5 128607 1209 22x zm 222 Zim 14714 VIESEBE 00407 fa 1 1 7 le d P a 1 e che ET T RE _ _ ES Tait gi SW5TI2 e 81 sr SUE 1 224 aS POWER 1 zoons Be 10883 7092 2 08862088 B 2 cer 705 cM M AUDIOIRI AUDIOILI VIDEO NOTES Waming Parts that are shaded are critical With respect to risk of fire or electricial shock 80101 B10 C339 H8 570 03 814 H12 D160 B4 L506 0751 P7 8335 LB8 R569 62 1822 nt C101 AM IC340 H8 C571 63 C817 Kt D30t 1815652 F1 0901 03 R336 K9 R570 0318823 JM C102 18 C575 2 818 1210501 B2 L551 K4 0902 03 337 KI0
21. 820 MONO ONLY S1 au a 15 4 7K 5 5 gt 92 e gt R965 th 5 B Eoi ik 5 5 ANS D 88 85 hwy 951 TH 0901 RIMI 953 77 Fess 77 KSRI003 3 iS 10u 16V m R9N2 4 16 9 H 4 7K 2 TH 8 5 68 9g 5 9 s E I lt 1 5 S fo a gt a a D SCHEMATIC HIFI CANAL SCART 2003 PAL SCART 1 gt PB Hi Fi 03 01 07 3854R15003A 3 39 3 40 ex denom com ex denom com e CIRCUIT VOLTAGE CHART WIN WIN 3 41 3 42 ex denom com ex denom com EE Mode PB Mode REC Mode PB PB REC
22. CAPACITOR FIXED TUBULAR High d 0 1UF D 50V 80 20 F Y5V C810 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C811 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 0813 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C814 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C817 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C818 0 4754 638 CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50V 20 FM5 TP 5 5 6 ex denom com ex denom com AL NO LG DESCRIPTION SPECIFICATION REMARKS C819 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C820 0 06822 409 O CAPACITOR POLYESTER MYLAR 6800PF 50V J PE TP C821 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V 5 TP 5 C822 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 823 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 824 0 1064 638
23. AL LOCA NO PART NO LG H DESCRIPTION SPECIFICATION REMARKS BD101 ODD160000DA O DIODE 51 60 1 600V SHIDENKEN A C101 624 088L O CAPACITOR DRAWING 4350 SUNIL ELECTRONICS 0 1UF 2 C102 1624 0881 O O O CAPACITOR DRAWING 4350 SUNIL ELECTRONICS 0 1UF 2 C103 0 686 0611 O CAPACITOR AL ELECTROLYTIC 68 SHL SD 400V FL BK7 5 C105 0 01031 519 O CAPACITOR POLYESTER 0 01UF 630V NI TP C106 624 087 O O O CAPACITOR HIGH VOL 100P 1KV SMPS SAMHWA C109 0 1064 638 0 0 0 0 0 0 0 ELECTROLYTIC 10M 50 5 TP 5 A C112 _ 0CG3320U630 O CAPACITOR SEMI CERAMIC 3300 PF 400V R NK AD SD A C113 OCG3310U510 O O CAPACITOR FIXED CERAMIC TEMP C 330PF D 400V 10 B Y5P R C114 0 04732 409 0 0 0 0 0 0 0 O CAPACITOR FIXED FILM 0 047UF S 50V J PE TP C115 1624 0850 O O O O CAPACITOR 47UF 50V KME SMPS C116 0 108 630 O O O O O O ELECTROLYTIC 1000UF KME 16V 5 BULK C117 624 082 O O O O O CAPACITOR 1000UF 10V SHL 10 12 5 T P C120 0 477 630 O O AL ELECTROLYTIC 470UF KME
24. 722 Teme 427 C772 62 C773 H2 46 7 MD TU C790 M3 gt 751 C7M2 19 2 4 6 5 OPTION 35u 16V AGC C7M3 0 8 94 TU SEC H 8 Ne 60 DATA J701 NC C E10 os Eurum me F OPTION AS C7V GM E 7 R706 C710 68 C7V5 GM lt lt lt lt lt IC751 59 20 11 SCL IC7V1 9 144 5 2 5502 C711 53 4701 18 1751 L702 M10 ej so DATA 2 SDA L703 7 m L704 N3 u L703 Creation 2 143 5 2VT 100uH K035 L705 M9 x 3 P m A t 13 L751 NICAMAR C759 105 16 L753 358 FAN VPS lt as UMS 59 R755 C758 10u 16v th 420707 Q7S 8 2 8 02 0 69 0 0 0 69 03 03 03 Tu 28 6 DAT Go R757 C765 R756 C764 C761 C760 2 x 1 0K R707 M7 2 TU A OUT 87 287 0 0150 0 015 0 010 0 01 1 og 1 3k B NC R709 M4 F To Hi Fi s R753 K6 MOD AIN 675 8 gt 2 gt d R754 07 EAN SIVIN GS 5 09 Tu R755 06 CS7 TU SEC H Ga 797 Su t6v crois 6757 C6 0781 Or 2 27 R7M1 MIO ToAN TU V OUT CE A M S 541 7 rh __ NICAMAR 5 5407 R7M5 MIO NICAM AL 9 sw 1 S MM 55 DAV 55 uw R7V2 G10 93 TU SECVL H 29 SW 2 R7V3 en R7V4 61 R7V5 NICAM
25. INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 TR5 1302 OLR1000K035 O O O INDUCTOR RADIAL LEAD 100M K6X6 15 TP 1303 OLRO102JON5 O O LEAD 10UH 5 TP 3X5 TR5 1304 OLRO102JON5 O O O O INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 TR5 1305 OLR1000K035 O O O INDUCTOR RADIAL LEAD 100M K6X6 15 TP 1307 OLRO102JON5 O O O INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 TR5 1501 0122 018 O O O O INDUCTOR AXIAL LEAD 12M 2 3X3 4 L5 1503 OLR1000K035 O O O O INDUCTOR RADIAL LEAD 100M K6X6 15 TP 1504 OLRO102JON5 O O O LEAD 10UH 5 TP 3X5 TR5 L505 OLR1000K035 INDUCTOR RADIAL LEAD 100M K6X6 L5 L506 635 027 O O O INDUCTOR RADIAL LEAD EL0405RA SKI150G 3 K TDK 15UH 1522 0181500 035 INDUCTOR RADIAL LEAD 150M K6X6 L5 TP L5S1__ OLA0332K018 O AXIAL LEAD 33M 2 3X3 4 L5 TP 5 8 ex denom com AL NO LG
26. O O CAPACITOR FIXED FILM 0 015UF S 50V J PE TP C309 0 1210 518 O O O O TUBULA HIGH DIELE 120P 50V KB TA26 C310 0 01032 409 0 0 0 0 0 O O O CAPACITOR POLYESTER MYLAR 0 01UF S 50V J PE TP C311 0 4765 618 O CAPACITOR AL ELECTROLYTIC 47UF SR SV 50V FL TP 5 C312 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V TA26 C313 0CQ2232L559 O CAPACITOR POLYESTER 0 022UF 63 PP NI TP5 C314 0 2264 638 O CAPACITOR ELECTROLYTIC 22M SRA 16V 5 C315 0 2253 636 O CAPACITOR FIXED ELECTROLYTIC 2 2UF SRE SE 50V 20 5 BP D C316 0 1064 638 O O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C317 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V M Y TA26 C318 0 1054 638 O CAPACITOR ELECTROLYTIC 1 0 SRA SS50V M TP 5 C319 0 01032 409 O O O O CAPACITOR POLYESTER MYLAR 0 01UF 50V J PE TP C320 0 1054 638 O CAPACITOR ELECTROLYTIC 1 0 SRA SS50V M 5 TP 5 C321 0 6800 408 O O O CAPACITOR TUBULA T C 68P 50V J SL 26 C322 0 1064 638 O CAPACITOR ELECTROLYTI
27. SIE 88 P Deut aum 5215 E E 1 0 control 710u 16 35 t i 5 2 R912 6918 m Volume 6 EA 47 8 P 235 52 58 2 R819 x 1915 ud 5 7 Sx 85 ls aS vw 952 VOUT_S2 tu FRONT_VIN S534s ES 253 Lo Seer Normal Input Leve SCART2 ox Normal Sel Input Sel AN x mono out e mono in dicens c ces 2 sf hour 104 16 20 Vin 2 3 4 8 gt 19 Vout cor 2 0963 C817 cats 8 ho 7 40 16 10 16 100 16 4 74 16 2 6 R817 t uv 16 Wh 8 3 34 15810 RI 4 15810 L R L 5 0903 R943 4 0 1N4148 1 5K cgs6 J9M1 2 750888 82 T 5 E MZ ze 0904 J9M2 Y p 28 1N4148 ilo MOD A OUT 6794 lt 4 4 28 gt H B scART 8 e lt OT 6 AIN L 191 g 1914 10046 TO T 5 100u A 3 AQUT L MINI 2 AIN R MONO 583 5 1 AOUT R AUDIO OUT 1 2 5 L915 832 lt 18 1006 3 HIFI CANAL 5579 20 C909 R903 2 89 0 tu 4 7k 77 E to C DET H o Slo R9C2 10K Y Q902 KSR2003TA C920 ROMS 4 AUDIO ouT2 P 275 ICeF1 gr 25 12VT UDIO 0912 t
28. TUBULAR High d 0 1UF D 50V 80 20 F Y5V C5R1_ 0CE3364F638 O CAPACITOR ELECTROLYTIC 33M SRA 16V TP 5 C5R2 0 6810 518 O O TUBULA HIGH DIELE 680P 50V KB 26 C581 0 4300 408 O O O O O TUBULA T C 43P 50V J SL TA26 553 0 223 948 O CAPACITOR TUBULAR HIGH DIELEC 10 0220 50V Z 26 5 C701 0 4754 638 O CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50 20 FM5 5 C704 0 4764 638 ELECTROLYTIG 47M SRA SS 16V M TP 5 C705 0 1030 678 TUBULA HIGH DIELE 0 01M 16V M Y TA26 C706 0 4775 618 O O O O CAPACITOR AL ELECTROLYTIC 470UF SR SV 6 3V M FL TP 5 C707 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V TA26 C710 0 6800 408 TUBULA T C 68P 50V J 51 26 C711 0 3300 408 TUBULA T C 50V JSL 26 C712 0 5 60 508 O O TUBULA T C 5 6PF 50V SL TA26 C713 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V 5 5 C7
29. CABINET amp MAIN FRAME SECTION ASSEMBLY PARTS SECTION A42 6871R 5184F PWB PCB ASSEMBLY TOTAL SPIN 7TOOL LEFT KEY DI A42 6871R 5882G O O PWB PCB ASSEMBLY TOTAL FC PAL 9TOOL LEFT KEY A43 3721R F293V PANEL ASSEMBLY FRONT VCR FC230Y NASHLL 43 3721 293 PANEL ASSEMBLY FRONT VCR FC431Y NASHLL LV2578 A43 _ 3721R F301G PANEL ASSEMBLY FRONT FRONT F247 ED981NY NASHLL AD A43 37218 301 PANEL ASSEMBLY FRONT VCR FD240Y NASHLL A43 37218 3630 PANEL ASSEMBLY FRONT VCR FC991NY NASHLL CON F305 A43 3721 6 PANEL ASSEMBLY FRONT VCR FC999NY NASHLL CON 305 A43 37218 6 PANEL ASSEMBLY FRONT VCR FC290Y NASHLL CON F305 43__137218 363 PANEL ASSEMBLY FRONT VCR FC491Y NASHLL ADD 4HD MONO A46 3501R 7801L BOARD ASSEMBLY VCR MAIN FC230Y NASHLL A46 3501R 7801M BOARD ASSEMBLY VCR MAIN FC290Y NASHLL A46 3501R 7801P BOARD ASSEMBLY VCR MAIN FC491Y NASHLL A46 3501R 78018 BOARD ASSEMBLY VCR MAIN FD240Y NASHLL A46 3501R 7801V BOARD ASSEMBLY VCR MAIN FD941NY NASHLL A46 3501R 7801X BOARD ASSEMBLY VCR MAIN FC991NY NASHLL PARTS SECTION 250 3110R 0223G VCR 0128 A288G SIDE SCRE 260 _ 32108 0023 0 VCR MAIN VII PJT 60HR 8657 NSP 275 4930 0102 HOLDER LED 280 3720 18 ojo PANEL FRONT FRONT EC971P NA51LL NSP 5 2
30. O RESISTOR FIXED CARBON FILM 470 OHM 1 6 W 5 TA26 R161 0804701 608 O O O O CARBON FILM 4 7K OHM 1 6 W 5 TA26 R163 0804701 608 ojo O O O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R166 0802201 608 ojo O O O RESISTOR FIXED CARBON FILM 2 2K OHM 1 6 W 5 TA26 R167 0803901 608 O O O O O O RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 TA26 R170 0805601 608 O O O O RESISTOR FIXED CARBON FILM 5 6K OHM 1 6 W 5 TA26 R172 ORD2700F608 O RESISTOR FIXED CARBON FILM 270 OHM 1 6 W 5 TA26 R173 0802700 608 O O O O O RESISTOR FIXED CARBON FILM 270 OHM 1 6 W 5 TA26 R1B1 ORD1504H632 OJRESISTOR FIXED CARBON FILM 1 5M OHM 1 2 W 5 00 MF10 R301 0805602 608 O RESISTOR FIXED CARBON FILM 56 OHM 1 6 W 5 TA26 R303 0801802 608 O RESISTOR FIXED CARBON FILM 18K OHM 1 6 W 5 TA26 R304 ORD1002F608 OJRESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R305 0801002 608 O O O CARBON FILM 10K OHM 1 6 W 5 TA26 R306 0802202 608 CARBON FILM 22K OHM 1 6 W 5 TA26 H307 0802201 608 OJRESISTOR FIXED CARBON FILM 2 2K OHM 1 6 W 5 TA26 5 10 ex denom com ex denom com
31. Height Adjustment Screw B A C Head Assembly Fig C 5 2 Play the blank tape e Tilt Adjustment Screw C Height Adjustment Screw B Azimuth Adjustment Screw A 4 Reconfirm the tape path after Playback about 4 5 sec onds NOTE Ideal A C head height occurs when the tape runs between 0 2 0 25mm above the bottom edge of the A C Head core Tape 0 2 0 25mm Fig C 5 3 4 16 ex denom com ex denom com DECK MECHANISM ADJUSTMENT 5 2 Confirm that the tape passes smoothly between the Take up Guide and Pinch Roller using a mirror or the naked eye 1 After completing Step 5 1 Preliminary Adjustment check that the tape passes around the Take up Guide and Pinch Roller without folding or curling at the top or bottom 1 If folding or curling is observed at the bottom of the Take up Guide then slowly turn the Tilt Adjustment Screw C in the clockwise direction 5 3 Precise Adjustment Azimuth adjustment 2 If folding or curling is observed at the top of it then slowly turn the Tilt Adjustment Screw C in the counterclockwise direction NOTE Check the RF envelope after adjusting the A C Head if the RF waveform differs from Fig C 5 4 performs Precise Adjustment to flat the RF waveform Test Conditions Test Equipment Fixture Connection Point Mechanism Condition Adjustment Point Oscilloscope Alignment Tape SP Screw Driver Type 5mm Audio output
32. IC301 Pin 09 PB mode 3 6Vp p CTI HV 27 oet 1999 04 53 21 RET ETSI 27 oct 1999 05 15 06 27 oet 1990 05 26 44 Tek BIB 2 509545 Acqs 1 la IC301 Pin 62 PB REC mode 4 0Vp p Tek BET 5 000545 iY 27 oet 1990 04 45 33 18 20 08 24 1301 Pin 4 mode 400mVp p Tek OB s c As fr 1 la 301 Pins 09 mode 340mVp p 27 oet 1990 08 20 55 3 35 2 a acas i C301 Pin REC mode 1 1Vp p Tek SIO EL t 2 23 28 armed tci 1 301 mode 400mVp p E IC301 Pins 69 PB mode 300mVp p 27 oet 1999 05 13 12 27 oet 1999 05 22 55 ex denom com 1 501 Waveform Photographs 4 System Circuit Diagram
33. 110306 2315 Fi2 R546 62 7 5 502 G3 C322 17116524 88 10307 836 17 8547 62 751 07 X751 C323 09 c525 D9 C7Me 012 9 9 0 102 12 0308 010 6317 K9 R548 2 R7V1 0101120151 C324 01011 52656 08 751 07 C951 N10 L103 5 0309 26 R318 550 15 R7V2 0101120503 F3 C325 8 527 31 7 01110952 0 1104 B6 0310 319 610 18553 F3 R7V3 0101120801 J11 C326 01110533 F7 C7V2 0116953 0 106 10 0501 03 8320 19 R555 R7V4 0101120802 J11 C327 J7 C53 C5 C7V3 10 5501 2 1201 10 10502 14 321 8556 7 5 10 20803 C328 L9 C535 K2 C7V4 10 102 88 301 18 0503 2 8322 H8 R557 C5 R7V6 10120804 329 1816543 F2 C7V5 EtM DI3 0302 1210504 J5 R323 I7 R558 R7V7 209 1 C330 18 C544 62 801 41110104 AB L303 9 0514 8324 H9 R559 KZ R7VB Eti ZD9F2 P2 C331 09 545 2 805 10105 A7 L304 H8 0515 K4 8325 K7 R560 F3 R7V9 208 3 P2 C332 H9 C546 0916806 5120106 1305 17 o5P1 J2 R326 R56 66 801 JM ZD9F4 P2 C333 1716547 CB07 JM DI09 B6 L307 J10 05P2 2 8327 8562 G6 R802 12120955 02 C334 18 C551 22 808 0110 1501 K5 05P3 0218328 5563 62 817 112 709 6 02 C335 19 552 2 809 3120154 09 1502 B2 05P4 2 8329 0
34. 3 26 3 25 ex denom com 6 System Block Diagram DRUM MOTOR CONTROL BLOCK PICO DRUM CTL SIGNAL FILTER NEEN R563 579 569 535 544 545 0509 SAVA INPUT FILTER R512 CAR REV I Limit MOTOR GND S GND DRUM L M Vcc CAP CONTROL L M CONTROL DPG DFG DRUM CTL 51511515 HHE CAPSTAN MOTOR CONTROL BLOCK CAPSTAN CTL SIGNAL FILTER IDE R546 547 C543 551 CFG INPUT FILTER C567 CAPSTAN REVERSEH R505 I LIMIT R521 528 523 C566 C547 X1 32 768KHZ IN X2 32 768KHZ OUT SEARCH H TOP SENSOR T HD6432197A L M CONTROL 525 R526 END SENSOR BLOCK 52 R 5501 amp T UP END SENSOR RESET POWER FAII EEPROM R C RECEIVER RESET OUT GND VCC V qut vee 9 S cND eN R564 5C7 KIA7031P KIA7042P RC501 0835 R531 5C9 5T1 R504 570 R501 502 FSR ES502 R550 SUPPI END SENSOR C502 507 508 C520 C516 CBR C5R2 Z X Z MODE SWITCH REEL SENSOR BLOCK CST S
35. 69 09 09 5 Hi Fi Block Diagram Hi Fi Model Only 8 22 9 80 8 5158 G 8 DSS 55 5r 5 E 55 5 OG WAS NSS 5 DA 2 8 V 6 5 L 9 E 5 GG Sa 5 11083 SKE a SKO YNIA gt gx T 25 8 Z 55 3 9 N d Woo 5 215 H g g eo SS gt Y Y 8 gp 18 NY lt T 2 28 8 5 gt 36 viva 8 8 AHVLOH 9 3 8 8 MSHA 59 Es BG OR 5 EL 4 58 cE Te amp o lt 2 2 gt 6 E371 6 2 5 4 2 6 0 0 0 6 20 06 be TET LI a 8 8 2 gt 5 5 o BR a e Q oo gt O m 5
36. 4 4 com ex denom com DECK MECHANISM DISASSEMBLY Arm Assembly Cleaner ome Base Assembly A C Head 1 Fig A 3 2 Chassis 9 Arm Assembly Cleaner Fig A 3 1 11 Base Assembly A C Head Fig A 3 3 1 Breakaway the A portion as Fig A 3 1 from the 1 Remove the Screw S4 and lift the Base Assembly A C embossing of the Chassis turn the Arm assembly Head up Cleaner to clockwise direction and lift it up 10 Head F E Fig A 3 2 1 Breakaway the A portion of the Head F E from the embossing of the Chassis turn it to counterclockwise direction and lift it up 4 5 ex denom com ex denom com DECK MECHANISM DISASSEMBLY Arm Assembly Tension Base Tension 12 Brake Assembly T Fig A 4 1 1 Unhook the Spring TB from the Hook H9 of the Chassis 2 Lift the Brake Assembly T up 13 Brake Assembly RS Fig A 4 2 1 Unhook the Spring RS from the Hook H10 of the Chassis 2 Lift the Brake Assembly T up 14 Arm Assembly Tension Fig A 4 3 1 Unhook the Spring Tension from the Hook H11 of the Arm Assembly Tension 2 Unhook the Hook H12 of the Base Tension and lift the Arm Assembly Tension up 2 Km Ws 0 Spring Brake Assembly Fig A 4 1 Reel T Fig A 4 4 Spring Spring RS Color Black Spring Tension 15 Reel Reel T Fig A 4 4 1 Difference for Reel
37. LP PB fe gt gt Ei LA71750 47u HI FI PB 7 gt 1000 145 e HI FI REC lt 6 2 4 S HI FI 9 gt C346 85 360 x B x 7 HIFI PB B gg lt 47u 16V 2 zd 8 882 3 6 0 10 8 8 5 23 5 HIFI 835 5 7 7 747 C329 4 At DZ 4 HIFI PB B PT 0 010 4 5 gt 7 gt rZ m 144 SEV m 2fsc 502 58 es is mi lee 55 gt ERE lt gt me 178 BE 35 EM Ro vervan 25 f m 6 C317 8200 5 2VT 143 ol 8E F To SYS RECHT 47 lt Y C201 1 0K 98 HE at 0 01 13 A sw dns 105 4 5542 4 45 7 mom Y H AMP SWO 100 LP EP we 1 99 HE 343 10 04 gt lt C ROTARY S8 5 Perce 1 DATA GO 634 E 2 CLOCK 58 59 141 5 a EE 54 VOICE D V SYNCO 197 du COMP OUT O 0 0 4 7 SEC 33 lt gt gt ze L 2rscC 0301 gt KTC3199 Ei tk Z 5 54 C369 0 022u SEG EN us 100p 401 PWR FAIL 53 C306 H S EZ 5 5 2VT R310 BosBx Me an 0 s_ez BUSYL GZ 5 K T319 T SRS SI 402 2 64 538 0303 R320b 19 C368 5 EZ DATA 64 KTC3199 1505 O 0T M 8200p M 1 04 50 MSM665 4 7 S EZ CLOCK 65 53 5 Z
38. ELECTRICAL ADJUSTMENT POINTS ARRANGEMENT Measurement point Adjustment point wv USO a SCART JACK Speak ez SW IC me 3 U N SECAM Ter amp N V JA R AN 2 1 4 w501 501 ee W502 H S W SYSTEM _ EEPROM NICAM MC 1 CEK1C iN DISPLAY DOT CLK q e e e COMPONENT SIDE 3 1 ex denom com ex denom com ELECTRICAL ADJUSTMENT PROCEDURES 1 Servo Adjustment 1 PG Adjustment Test Equipment a OSCILLOSCOPE b PAL TEST TAPE VHS SP JIG REMOCON AUTO PG SETTING Adjustment And Specification MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION V Out H SW W501 W502 6 5 0 5H Adjustment Procedure a Insert the PAL SP Test Tape and play Note Adjust the distance of X pressing the Tracking or Tracking when the is blink after the PAL SP Test Tape is inserted b Press the Auto PG KEY on JIG Remocon 1 st or Press REC key on set and CLEAR key Remocon Then check the blink TRK OK on CLK LED TRK is a Initial Press the Auto PG Key on JIG R
39. Seen gt L903 8 789 TY Supply Vref Lref DER gt 9 TAN 5 sun 3 noise reduction SEK 1 C9F3 R9F1 postive stoney UN sd 01 4 7K TO Doc x Bin order rectifier 69 G m soi 019 4 CRUS z w TDA9605H D 3 ter R82 i Y LEVEL Y 2 7K cass s SD BPF gt PLL noise gt compressor 5 g 0825 R906 R905 e 8 L i EN 1 lt eronder 47 16 560 560 ME um Famoes AGO HF uno Sm Tomy LPF CCO T 6 C824 4 5th order 9 1 55161 Ho lt 19 2 R9F2 XH luve od ror lt oudio LPF detector 69 Loot B scART m 100u A OIM 47K E wm 7 8 EEP p LS 9 0823 100uH A _ ARS 5 1888 Dno gt e ede CCA 716 AD 6 AIN L Z lt LEE cco 12 1500 1902 cU 223 100u A 100uH A a 1600P 09 aud Pt OONA 3 th Volume L output Set 89 820 5 de 4 2AN R 8 3 Lir EER D FR AD 8 gt 1 AQUT R ER Bi sq 55 25 1906 S 5 yiz H C9M6 98 98 1004 7 ge tele Line Sel 10 16 85 ore al 85158 Er xe lt
40. 1054 638 ELECTROLYTIG 1 0 5 5550 M 5 5 C348 0 1054 638 O O O O O CAPACITOR ELECTROLYTIC 1 0 5 5550 M 5 5 C349 0 4764 638 O O O O ELECTROLYTIG 47M SRA SS 16V TP 5 C353 0 1054 638 O O O O ELECTROLYTIG 1 0 5 5550 M 5 5 C355 0 1040 948 O TUBULAR High d 0 1UF 50 80 20 C356 0 1054 638 1 0 5 5550 M 5 5 C357 0 1054 638 O O CAPACITOR ELECTROLYTIC 1 0 5 5550 M 5 5 C358 0 6800 408 TUBULA T C 68P 50V J SL TA26 C359 0 1054 638 O CAPACITOR ELECTROLYTIC 1 0 5 5550 M 5 5 C360 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V C361 OCN223AK948 O CAPACITOR TUBULAR HIGH DIELEC 0 022UF 50V Z TA26 C362 0 1064 638 O O O O ELECTROLYTIG 10M SRA 16V 5 TP 5 363 0 1030 678 0 0 0 0 0 0 0 TUBULA HIGH DIELE 0 01M 16V M Y TA26 C364 0 4764 638 O O O O
41. 2 3 Brake Assembly T 1 Hook 2 3 Brake Assembly RS 1 Hook 2 3 Arm Assembly Tension 2 Hook 2 3 12 13 Reel S Reel T Base Assembly P4 Chassis Embossing Opener Lid Chassis Embossing Arm Assembly Pinch Shaft Lever T Up Arm T Up 1 Hook Belt Capstan Motor Capstan 3 Screw Lever F R Locking Tab Clutch Assembly D35 Washer Brake Assembly Capstan Locking Tab Gear Drive Gear Cam Washer Hook Gear Sector 1 Hook 20 21 23 24 25 Plate Slider Shaft Guide 4 A 20 21 23 24 25 26 Lever Tension 1 Hook 2 3 14 20 21 25 23 24 26 Lever Spring Locking Tab 25 Gear Assembly P2 Gear Assembly P3 Boss 2 3 14 25 29 Base Assembly P2 Base Assembly P3 Chassis Slot 2 3 14 25 29 Base Loading 1 Screw 2 3 14 Base Tension Chassis Embossing 2 3 20 21 22 NOTE When reassembly perform the procedure in the reverse order 1 When reassembling confirm Mechanism and Mode Switch Alignment Position Refer to Page 4 13 2 When disassembling the Parts for Starting No Should be removed first ex denom com Arm Assembly Idler T Top B Bottom Locking Tab ex denom com DECK MECHANISM DISASSEMBLY Drum Sub Assembl
42. DESCRIPTION SPECIFICATION REMARKS 1702 OLR1000K035 INDUCTOR RADIAL LEAD 100 K6X6 15 1703 _ OLR1000K035 INDUCTOR RADIAL LEAD 100 K6X6 L5 TP 1704 OLA0821K018 0 INDUCTOR AXIAL LEAD 8 2 2 3X3 4 L5 L705 0181000 035 INDUCTOR RADIAL LEAD 100 K6X6 15 1751 OLRO102JON5 O INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 5 L753 _ OLRO102JON5 INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 TR5 L7V1 OLR1000K035 O INDUCTOR RADIAL LEAD 100M K6X6 L5 TP L801 OLRO102JON5 O INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 TR5 L802 OLRO102JON5 O INDUCTOR RADIAL LEAD 10UH 5 TP 3X5 TR5 L8R1 OLA1000K018 O O INDUCTOR AXIAL LEAD 100M 2 3X3 4 L5 TP L8R2 OLA1000K018 INDUCTOR AXIAL LEAD 100M 2 3X3 4 L5 TP L901 01 41000 018 O O O 0 INDUCTOR AXIAL LEAD 100 2 3X3 4 L5 TP L902 01 41000 018 O O O INDUCTOR AXIAL LEAD 100 2 3X3 4 L5 TP L903 874 000 OWIRE COPPER TIN COATED 0 0 6 ROLL 1904 01 41000 018 0 0 0 0 0 0 0 AXIAL LEAD 100 2 3X3 4 L5 L905 636 004 O FILTER CIRC EMC BEAD BFS3550R2FD8 R 1906 01 41000 018 O O O O AXIAL LEAD 100M_K 2 3X3 4 L5 TP 1907 636 004
43. MAINTENANCE INSPECTION PROCEDURE 5 2 Greasing 1 Greasing guidelines Apply grease with a cleaning patch Do not use excess grease It may come into contact with the tape transport or drive system Wipe excessive grease and clean with cleaning patch wetted in Isopropyl Alcohol NOTE Greasing Points 1 Loading Path Inside amp Top side 2 Base Assembly P2 P3 stopper 3 Shaft 4 L D Motor Gear Wheel Part 5 Arm Take up Rubbing Sections 6 Reel S T shaft G381 Yellow 7 Arm Assembly F L Rotating Sections Gear Part AS Cam 7 G 754 Yellow Oy G 754 Yellow Gear Sector Gear G 754 Yellow G 754 Yellow Base Loading Gear Drive Guide Rail Chassis Left Side Chassis Right Side 4 21 2 Periodic greasing Grease specified locations every 5 000 hours 1 Loading Path Inside amp Top side 2 Base Assembly P2 P3 stopper 3 Shaft 4 Shatt 5 Clutch Assembly D35 Shaft 6 Plate Slider Guide Sections 7 Plate Slider Guide Sections 8 Gear Assembly P2 P2 Rubbing Sections Slider Guide Chassis Bottom Slider Guide G 3114 Blue Gear Rack F L Gear amp Cam G 754 Yellow Cam G 754 Yellow Plat
44. Reel T 4 6 ex denom com ex denom com DECK MECHANISM DISASSEMBLY Base Assembly P4 Fig A 5 1 16 Base Assembly P4 Fig A 5 1 1 Breakaway the A portion of the Base Assembly P4 from the embossing of the Chassis 2 Turn the Base Assembly P4 to counterclockwise direction and lift it up 17 Opener Lid Fig A 5 2 1 Breakaway the B portion of the Opener Lid from the embossing of the Chassis 2 Turn the Opener Lid to clockwise direction and lift it up 18 Arm Assembly Pinch Fig A 5 3 1 Lift the Arm Assembly Pinch up 4 7 Opener Lid gt Fig A 5 2 Arm Assembly Chassis NOTE When reassembling confirm the C portion of the Arm Assembly Pinch is inserted to the Chassis hole correctly as Fig 19 Lever T up Fig 5 4 Arm T up Fig A 5 5 1 Unhook the Hook H13 of the bottom Chassis and lift the Lever T up up 2 Lift the T up up ex denom com ex denom com DECK MECHANISM DISASSEMBLY Belt Capstan Fig A 6 1 Motor Capstan Fig A 6 2 Washer W1 Clutch Assembly D35 Fig A 6 4 Fig A 6 5 Lever F R Fig 6 3 _ 20 Belt Capstan Fig A 6 1 22 Clutch Assembly D35 Fig A 6 4 Motor Capstan Fig A 6 2 1 Remove the Washer W1 and lift the Clutch Assembly 1 Remove the Belt
45. Y Do Take up reel pulses Change IC501 appear at the base of Q514 A YES YES Y Y Does 5 3V appear at RS501 NO Replace the Take Up Reel Photocoupler in the Check the Power Deck RS501 3 10 ex denom com ex denom com B Cassette tape loading is unstable Is REG 14VA applied to 1 Pin 8 YES Is High signal applied to IC501 Pin 30 when inserting the CST Check the power Is 5 4VA applied to R544 YES NO YES Does Low signal occur form 1 Check the CST SW and Pin 10 when inserting the CST peripheral circuitry Check the power YES Check the Deck Mechanism Check IC501 Pins 68 69 70 71 NOTE Auto stop may also be caused by lack of lubrication due to dried grease or oil Non working finction buttons Is the voltage of IC501 Pin 36 5V YES Does LED Ass y display change NO Check the power when a function button is pressed YES Replace 1 501 Replace the defective switch ex denom com Y Check IC506 Pins 6 14 17 Pins 20 23 pulse output Replace IC506 3 11 ex denom com 4 Y C CIRCUIT 1 No Video in EE Mode No Video in EE Mode Does the Video signal NO UIS appear the 12301 Pin 48 Line In Jack YES Is 5V applied to the IC301 Pins 18 24 42 55 72 91 YES Check the 5 2VT 5 4VA Line Power Circuit Is BUS sig
46. Check the needed lubrication and the conditions of cleanliness in the unit Check with the customer to find out how often the unit is used and then determine that the unit is ready for inspec tion and maintenance Check the following parts Replace Phenomenon een Color beats Dirt on Full Erase Head Head N Poor S N no color Dirt on Video Head EN Video Head 4 o m Vertical or Dirt on Video Head Horizontal jitter Dirt on tape transport system Low volume A C Head Soundidistorted Dirt on Audio Control Head EN T d Pinch Roller ape does not run Tape is slack Dirt on Pinch Roller Picco In Review and Clutch Assembly D35 Clutch Unloading off mode torque reduced Assembly D35 the tape is rolled up loosely Cleaning Drum and transport system NOTE If locations marked with o do not operate normally after cleaning check for wear and replace See the EXPLODED VIEWS at the end of this manual as well as the above illustrations and see the Greasing Page 4 21 22 for the sections to be lubricated and greased No 1 12 Indicates the Tape Path to be traveled from Supply Reel to Take up Reel 3 F E Head D 6 Base Assembly S 7 8 P4 Post 5 Drum Assembly 2113 IN at 185 Video Head ANN 2 ie 10 Pinch Roller 4 Base lh OS 11 Take up
47. E3 E4 10 H9 K6 K6 F4 F10 F4 65 9 F3 KB 010 K7 K7 65 H3 K7 K7 13 H3 15 H5 H3 13 14 K6 K6 E10 15 D7 J4 E9 J3 J10 10 19 F10 F10 08 07 10 H10 111 H11 F5 F4 E5 L9 J10 14 M3 M3 N4 P5 010 E3 M8 F8 M4 N4 G3 N10 F11 L302 L303 L304 L305 L307 P3D01 P3D02 P3D03 Q301 Q302 Q303 Q304 Q305 Q306 Q307 Q308 Q309 R201 R202 R204 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 R328 R329 R330 R331 R334 R335 R336 R337 R338 R339 R340 R341 R342 R343 R344 R345 R346 R347 R349 R350 R351 R401 R402 R403 R404 R405 R406 X301 X401 WAVEFORM amp VOLTAGE SHEET 01 Oscilloscope Waveform Tek BERE 2700 1999 04 42 45 IC301 PB mode 500mvp p BERE 5 0 5 Qum IC301 Pin 3 REC mode 2 0Vp p Tek BERE gen IC301 Pin PB REC mode 5Vp p Tek BERI 200157 ET NI 27 oct 1999 05 24 06 IC301 Pin 69 PB mode 400mVp p lA 90 0mv 6 Tek C301 Pins 04 44 04 60 62 Video in 1Vp p sacas 24 IC301 Pin 65 PB mode 2 02Vp p TERS IC301 Pin PB REC mode 5Vp p Tek SINE
48. KIA431 3 PIN IC301 01 5 005 OIC LINEAR LA71750EM SANYO 100PIN TRA 501 j OIMCRHIO27A O O O O O CONTROLLER HD64322197SA19F HITACHI 112PIN 1 503 01 5241600 O O O O O IC CATALYST CAT24W16P 8P DIP ST 16 SERIAL 504 0 703100 0 0 KIA7031P 3 1V RESET TAPING IC505 OIKE704200B O O O O O 1 KIA7042P 3P 4 2V RESET TAPING 506 OILNRPYOO1A ojo IC LINEAR PT6955 24P SOP ST LED DRIV 751 017341700 O O MSP3417D QG QFP44 BK NICAM A2 IC7V1 OILNRMNOO1A IC LINEAR SDA5650 MICRONAS 14 DIP ST VPS 801 0 960500 O TDA9605H QFP44 BK HIFI AMP HIF IC9F1 IC PERIPHERALS MM1111XS MITSUMI 8 SIP ST AUDI J301 874 000 OWIRE COPPER TIN COATED 0 0 6 ROLL 4502 874 000 OWIRE COPPER TIN COATED D 0 6 ROLL 4506 874 000 OWIRE COPPER TIN COATED 0 0 6 ROLL 4509 874 000 OWIRE COPPER TIN COATED D 0 6 ROLL J901 874 000 OWIRE COPPER TIN COATED 0 0 6 ROLL 4902 874 000 WIRE COPPER TIN COATED 0 0 6 ROLL J903 874 000 WIRE COPPER TIN COATED D 0 6 ROLL J904 874 000 WIRE COPPER TIN COATED 0 0 6
49. O O O O CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C338 0 4730 948 O TUBULAR High d 0 047UF D 50V 80 20 F Y5V C339 0 1054 638 O CAPACITOR ELECTROLYTIC 1 0 SRA SS50V 5 TP 5 C340 0CN4730K948 O TUBULAR High d 0 047UF D 50V 80 20 F Y5V C341 OCN223AK948 O O O O OJCAPACITOR TUBULAR HIGH DIELEC 10 0220 50V Z 26 S C342 0 1040 948 O CAPACITOR FIXED TUBULAR High 0 1UF D 50V 80 20 F Y5V TA C343 _ OCN4730K948 O TUBULAR High d 0 047UF D 50V 80 20 F Y5V C344 0 1010 518 OJCAPACITOR TUBULAR HIGH DIELEC 100P 50V KB TA26 C345 _ OCN3330K518 O O CAPACITOR FIXED TUBULAR High d 0 033UF 50V TA26 C346 0 4764 638 47M SRA SS 16V M 5 TP 5 5 4 ex denom com ex denom com AL NO LG DESCRIPTION SPECIFICATION REMARKS C347 0
50. Use only the recommended factory replacement tubes TIPS ON PROPER INSTALLATION 1 Never install any receiver in a closed in recess cubbyhole or closely fitting shelf space over or close to a heat duct or in the path of heated air flow m Avoid conditions of high humidity such as outdoor patio installations where dew is a factor near steam radiators where steam leakage is a factor etc Avoid placement where draperies may obstruct venting The customer should also avoid the use of decorative scarves or other coverings that might obstruct ventilation 4 Wall and shelf mounted installations using a commercial mounting kit must follow the factory approved mounting instructions A product mounted to a shelf or platform must retain its original feet or the equivalent thickness in spacers to provide adequate air flow across the bottom Bolts or screws used for fasteners must not touch any parts or wiring Perform leakage tests on customized installations Caution customers against mounting a product on a sloping shelf or in tilt ed position unless the receiver is properly secured A product on roll about cart should be stable in its mounting to the cart Caution the customer on the hazards of trying to roll a cart with small cast ers across thresholds or deep pile carpets 7 Caution customers against using a cart or stand that has not been listed by Underwriters Laboratories Inc for use with
51. 0 1UF 50 80 20 F Y5V 9 4 0 1040 948 O CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V C9F5 0 1040 948 O O TUBULAR High d 0 1UF D 50V 80 20 F Y5V TA C9M1 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V C9M3 OCN1040K948 CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V 9 4 0 1040 948 CAPACITOR FIXED TUBULAR High 0 1UF 50 80 20 F Y5V 9 5 0 1040 948 CAPACITOR FIXED TUBULAR High 0 1UF 50 80 20 F Y5V C9M6 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C9M7 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V TA C9M9 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF 50V 80 20 F Y5V 951 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C9S2 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 953 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 CS501 6600 000002 O SWITCH PUSH MPU11810MLBO MIC DC 5V 1MA D 3 0102 000010009 O DIODE RECTIFIER EGO1CW R FORM 5 0103 0DR180209AA O DIODE RECTIFIER ERA18 02KFRB TP F
52. 11 1 HU nas 1 i i 14 2 X 1220 N i i i l i D eese sis 2 ge ma R577 LEX aT 222 1170 8576 Jal BTS 4 Es St Jo 1 23 91 E 2 HY 5501 aill Sal 19062 II Mdi PIR 8 132 TIMER 5 EEJ BERT S 58828 5 gt B LOT Cling t na QS 285257 21 il lel 77720434 DPG DEG ma 824 2 Si p W135 gt 1139 mm S Be 1 ENS MEFA NA am St 13 INS 2 ges i IEF ER 58 08 7 N e e SCIENS enig 22 ma Em 5 al 5512 E 5 PMK021 0 3 KEY N 0 7 il Pet a ol 5 2 8 5 s e017 7374 11 1 sar 840 8 m 2 ut 519 eta A D VCC R5C5 4520 SYS 3 1 C534 522 11111 0203
53. 16 R585 G5 R906 12 C129 9 360 C5K1 13 835 JM ICIO A9 L904 LI2I RHT 8401 E12 R5Ct F2 911 C135 C36t L9 C5P1 C8R1 OM ICIO2 08111905 NIZJRIIB 08 R402 8505 1912 153 362 K7 C5P2 H5 CBR2 _ 01 1 103 9 1906 1121819 R403 2 R913 L10 C190 363 _ 581 F1 C901 11116401 E12 L907 1211 8120 08 8404 DIH RBC7 2 914 L10 C201 67 C364 08 C5R2 F1 C902 _ 1 402 9 8121 C9 R405 X DI2 R5C9 2 8943 012 C202 F8 C365 010 551 _ 903 KI2 IC503 912 1181229 R406 DI2 IR5GI I2 R964 03 C203 F8 C366 01110553 5 904 121110504 2 L9 3 2125 89 501 15 1562 I2 R965 03 204 8 367 HI 701 P7 C905 2 11 505 914 LM RI26 9 8502 L5 R563 I2 9 1 L5 C205 F9 368 H9 C702 PB 906 LI2 IC7V 0111915 111851 B4 8503 65 564 I2 R9C2 E5 C206 F9 C369 19 703 010 C908 112 1 91 NIOJ L9F1 P3 R152 84 R504 E3 RBP2 G5 R9C3 207 F9 C370 J8 C704 01210909 6912301 GI2 L9F2 153 4 18505 5 65 9 C208 C371 18 705 2 9501 10501 15 R154 8506 RbRI 12 R9F1 M8 C209 10 372 Me C706 PT7 C912 0502 1 0501 11 155 AL R507 R5R2 J2 R9F2 MB C210 F10 C373 16 707 P10 C913 111 503 At LED502 J1 8157 AL
54. 252 BLOCK B MAOUT o 2 Aout R7V6 4 R7V7 19 C769 0770 R7V8 F8 10u 16v 56 lt m 22 SIF R7V9 TU701 011 777 2 66 27 AFT R709 5 AFT 751 H3 GND ED TU AUT gt 1 E 8 8 cl 206 gd y g 59 TU V OUT C790 2 2071 E E ud m dun 4 V out n lt lt 1 1 2 0 010 L704 a lt 8 2uH 5 709 69 NC O O O O re Iw 5 6p T X751 77 H 18732092 777 C754 C772 0773 47u 16V 0 010 56p 56p 5 777 2 03 1 7 15004 D SCHEMATIC TU IF NICAM VPS mb EE MODE VIDEO gt TU MODE AUDIO 3 31 3 32 5 Fi SCART Circuit Diagram 1 801 42 43 Pins are defective All Audio is not appear LOCATION GUIDE L8R1 560 TAR 9 JK801
55. 3 9K OHM 1 6 W 5 TA26 R9M5 0804701 608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R9M6 ORD4701F608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 RC501 6712R1938GB O CONTROLLER RECEIVER TSOP2238WE1 VISHAY 37 9 2 19 RS501 6500 5 5 SG 260 KODENSHI 033 REEL SENSO RS502 6500 O O 5 5 SG 260 KODENSHI 033 REEL SENSO SW5T1 556 213 O O O O SWITCH DETECTOR THVV951BAA DC 12 V 5 0 SW5T10 556 213 O O O O SWITCH DETECTOR THVV951BAA POSTECH DC 12 V 5 0 SW5T11 556 213 ojo SWITCH DETECTOR THVV951BAA POSTECH DC 12 V 5 0 SW5T12 556 213 ojo SWITCH DETECTOR THVV951BAA POSTECH DC 12 V 5 0 SW5T13 556 213 ojo SWITCH DETECTOR THVV951BAA POSTECH DC 12 V 5 0 SW5T14 556 213 O O O SWITCH DETECTOR THVV951BAA DC 12 V 5 0 SWST3 556 213 O O O O SWITCH DETECTOR THVV951BAA DC 12 V 5 0 SW5T4 556 213 O O O O SWITCH DETECTOR THVV951BAA DC 12 V 5 0 SW5T5 556 213 O SWITCH DETECTOR THVV951BAA POSTECH DC 12 V 5 0 SW5T6 556 213 O O O O SWITCH DETECTOR THVV951BAA POSTECH DC 12 V 5 0 SW971 556 219B SWITCH TACT THVV502GAA POSTECH DC 12 V
56. 5 SW972 556 219 SWITCH TACT THVV502GAA POSTECH DC 12 V 5 SW996 556 219 SWITCH TACT THVV502GAA DC 12 V 5 SW997 556 219 SWITCH TACT THVV502GAA DC 12 V 5 T101 1642 0158 O O TRANSFORMER SMPS COIL SJE 015G SHT 015G SJ SH CS LSE TU701 6700PFPLOGF TADC M401D GKI LGIT LG INOTEK X301 620282443 O O O O RESONATOR CRYSTAL HC49U BUBANG 4 433709MHZ 15 X501 6212 2100 O O O RESONATOR CRYSTAL 49 BUBANG 10MHZ 30 PPM X502 6202R DAO1A O O O O O RESONATOR CRYSTAL CFS 308 CITIZEN 32 768 751 529 0219 RESONATOR CRYSTAL 490 18432000 7 16 20151 ODZ130009AB DIODE ZENERS MTZ13C TP 20503 002620009 O O O O DDIODE ZENERS UZ 6 2BSC 26MM PYUNG CHANG 20801 ODZ562609BB DIODE ZENER UZ 5 6BSB 26MM PYUNG CHANG 20802 ODZ562609BB O DIODE ZENER UZ 5 6BSB 26MM TP PYUNG CHANG 20803 ODZ130009AA DIODE ZENER MTZ13A TP ROHM K 20804 ODZ130009AA DIODE ZENER MTZ13A ROHM K 5 14 ex denom com
57. 6 W 5 TA26 R5B5 ORD1000F608 OJRESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R5C1 ORD1001F608 O OJRESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R5C5 ORD1001F608 O OJRESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R5C6 0801001 608 O OJRESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R5C7 ORD1001F608 O OJRESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R5C9 ORD1002F608 OJRESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R5G1 0804702 608 ojo O O O RESISTOR FIXED CARBON FILM 47K OHM 1 6 W 5 TA26 R5G2 _ 0RD1000F608 0 0 O O O O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 26 R5G3_ ORD1000F608 ojo O O O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R5G4 _ 0RD1000F608 0 0 O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R5P2 ORD1002F608 OJRESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 5 ORD1002F608 O O O O O OJRESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R5R1_ ORD3300F608 ojo RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R5R2 0803300 60 ojo RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R5R3 ORD3300F608 ojo RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R5R4 0803300 60 ojo RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R5R5 _ 0RD3300F608 0 0 RESISTOR FIXED CARBON FILM 330 OHM 1 6
58. 82 54992 C2 ex denom com 3 A V SECAM VPS Circuit Diagram ex denom com LOCATION GUID 1 301 Pin70 is defective Q305 is defective PB COLOR Signal disappear EE PB Screen doesn t appear B zz 2 185 BETERE 3 55 5 556 5 0 99 9 9 4 S 8 598 A 5 DECK 3 XQ m ES B D30
59. 84518 8 gu 548 RSP PS 1 505 is defective PWR CTL H R578 are defective 227 STs KTOSI99 14 5 4VA 2 lex a 112 42 5 2VG 583 49 4 E d Ja 9 R518 R516 143 1 R567 C596 AS P122 1 0K 470K 5201 5 2VT L Y i Vec OSD 1593 1000H 143 144 449 5 2V 0 01 0 1 1503 t 4 53 13 24VA C 10051 1 0551 1 1308 1699 158 12VA DRUM C511 LBS 0551 C553 561 1 0 Aln KTC3199 C504 ANS 5 5 1 5 R5913 07 mE 90221 2204 6 3 BKS SLS 1502 220u 6 3V 58 68 HSR H 100k B w 8 679 8 95 C509 I C564 22 TH TH iR 635 1000p TP_CTL Resi saya 141 4 7u 50V o 356518 5 6k al RS502 20 rh GT 0 0tu 58 4 8 459 000p ME GND SUP REEL 2 d um EIS 9 245 1855 mes sy 9 42 n gt 919 pe L C582 5 STE SIE 0 5 T 0 01 21 10110 5 5 93 94 5 8 3 1 ol e e 77 BACK UP TIME ue 5 4 C500 0 047F 5 5V 10MIN BACK UP OPTION 77 a AA 9 z 65 8 8 8 8 8 8 8 8 8 8 8 8 0 9 6 6 3 98 9 9 9 r Auto stop occures gt gt gt 5 YZ 03 1 7 15001 mol 8 BEST EE BED D SCHEMA RS501 RS502 0514 Auto Rew will not working 5 5 g 5 gt amp NNN GOP e GS 5 SYST
60. ASSY 022 16520D00002A 035 FE ST HEAD 023 3040 0057 LOADING 024 14261R 0024A ojo ASSEMBLY IDLER 024 14261R 0029A ojo ARM ASSEMBLY IDLER N 025 14810R 0118A L D S NSP 026 4680 0002 LOADING MDB2B66 035 ASP NSP 027 14470R 0093A O GEAR WHEEL NSP 028 14408R 0004A O ai 029 14261R 0019A ASSEMBLY DECK MECHA PINCH 030 14510R 0043A 031 14970R 0123A COIL TENSION D35 032 _ 31418 00404 O CHASSIS ASSY 035 NSP 051 14400R 0005A CAPSTAN 052 4680 007 CAPSTAN F2QVB06 SANKYO 035 ASR 5 1 ex denom com ex denom com AL LOCA NO PART NO LG A H DESCRIPTION SPE
61. CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C825 0 4764 638 CAPACITOR ELECTROLYTIC 47M SRA SS 16V FM5 TP 5 C826 0CQ6822K409 O CAPACITOR POLYESTER MYLAR 6800PF S 50V J PE TP C827 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C828 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V 5 C829 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01M 16V M Y TA26 C830 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V C831 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01 16V TA26 C832 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V TP 5 C835 0 4744 638 O CAPACITOR ELECTROLYTIC 0 47M SRA 50V 5 TP 5 8 1_ 0 1020 518 CAPACITOR TUBULA HIGH DIELE 1000P 50V KB TA26 C8R2 0 1020 518 CAPACITOR TUBULA HIGH DIELE 1000P 50V KB TA26 C901 0 1020 518 O CAPACITOR TUBULA HIGH DIELE 1000P 50V KB TA26 C902 0 477 638 O CAPACITOR AL ELECTROLYTIC 470UF SHL TYPE 16V M 5 5 C903 0 1020 518 O CAPACITOR TUBULA HIGH DIELE 1000P 50V KB C904 0 1020 518 O TUBULA HIGH DIELE 1000P 50V KB TA26 C909 0 1040 948 O TUBULA
62. CIRC ASSEMBLY LOWER D35 2CH NSP 001 6723R 0311A DRUM CIRC ASSEMBLY LOWER D35 4CH NSP 001 6723R 0312A O O DRUM CIRC ASSEMBLY LOWER D35 6CH NSP 002 14680R B007A DRUM MDVC 035AA LGIT FOR 0 35 002A 5202800002 ojojo ojo BRUSH CARBON ASSY D33 TIP 2 SPRING 1 4 002A 5202800002 BRUSH CARBON ASSY 033 TIP 2 SPRING 1 4 003 14930R 0286A HOLDER FPCB 2CH 004 15006R 0034A 008 _ 6850 182 CABLE FLAT P 1 25 FFC UL2896 0 05X0 8 7 009 14260R 0038A T UP D35 010 14810R 0125A CHASSIS 011 42618 0022 ASSY TENSION D35 012 30418 0037 O O O ASSY 2 013 3041 0038 O O O ASSY 014 13041R 0039A O O O ASSY 4 015 5870 0005 O O O LID D35 016 3041 0036 O O O ASSEMBLY A C HEAD ALPS 017 14408R 0003A 018 4970 0140 COIL RS 035 019 4421 0008 O O O ASSEMBLY 020 14970R 0128A 5 COIL 035 021 4421 0006 O O O
63. F FC491Y G FC991NY H FC999NY LGEMK MECHANICAL SECTION RUN DATE FEB 27 2003 NSP Not Service Part S AL LOCA NO PART NO LG H DESCRIPTION SPECIFICATION REMARKS ASSEMBLY PARTS SECTION 00 6721 7100 DECK ASSEMBLY VIDEO D35 N DI 2HD NP AHC X B NSP 00 6721 7110 DECK ASSEMBLY VIDEO D35 M DI 2HD NP AHC X B NSP 00 6721 7310 DECK ASSEMBLY VIDEO D35 M DI 4HD PAL AHC X B NSP A00 6721 7500 DECK ASSEMBLY VIDEO D35 N DI 4HF PAL AHC X B NSP 00 6721 7510 O O DECK ASSEMBLY VIDEO D35 M DI PAL AHC X B NSP 01 6723R 0401B DRUM CIRC ASSEMBLY D35 2CH SP EP 8M2 01 6723R 0402C DRUM CIRC ASSEMBLY D35 4CH PAL 8P4C 01 6723R 0403C O O DRUM CIRC ASSEMBLY D35 6CH PAL 8P6C A04 4811RF0038A O O O O O BRACKET ASSEMBLY L D S 11 4471R 0005A O O O O ASSY A12 4471R 0004A ASSY 2 A21 4931R 0047A ASSY CST A22 4471R 0006A O ASSY RACK F L A23 4261R 0023A 0 0 0 0 0 0 0 ASSY F L A24 4510R 0046A 0 0 0 0 0 0 ASSY SWITCH PARTS SECTION 001 6723R 0310A DRUM
64. O O RESISTOR FIXED CARBON FILM 2 2K OHM 1 6 W 5 TA26 R118 0801001 608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R119 ORN3301F408 O RESISTOR FIXED METAL FILM 3 3K OHM 1 6 W 1 TA26 R120 ORN3001F408 O RESISTOR FIXED METAL FILM 3K OHM 1 6 W 1 TA26 R121 874 000 O O O OWIRE COPPER TIN COATED 0 0 6 ROLL R122 ORD1003F608 0 0 O O O O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 26 R125 ORD4701F608 O O O O CARBON FILM 4 7K OHM 1 6 W 5 TA26 R126 0806800 608 O O O CARBON FILM 680 OHM 1 6 W 5 TA26 R151 0801001 608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R152 ORD3300F608 OJRESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 153 0801001 608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R154 ORD3300F608 O O O O RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R155 0803301 608 O RESISTOR FIXED CARBON FILM 3 3K OHM 1 6 W 5 TA26 R157 0801001 608 O O O O O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R158 ORD1802F608 O RESISTOR FIXED CARBON FILM 18K OHM 1 6 W 5 TA26 R159 ORD4700F608
65. Pin 70 Is the Y Luminance Video Check the path of the waveform showed up at Y Luminance RF signal thelC301 Pin 43 Check C327 YES YES Replace the IC301 3 13 ex denom com ex denom com 3 When the C Color signal doesn t appear on the screen in PB Mode Is 5 2VT 5 4VA applied to the NO gt Check the line of the 5 2VT IC301 Pins 24 42 55 72 91 5 4VA Line Power Circuit YES Is the Color Rotary signal applied to the 1 301 Check the Color Rotary Pin 70 Circuit IC501 pin 99 Is Color Rotary Check the Color Rotary about 3 4V level Check the R303 Does the Color signal NO appear at the IC301 Replace the X301 Pin 25 Does the Color signal YES appear at the IC301 Pin 21 Check the Color Pass Replace the IC301 Replace the IC301 3 14 ex denom com ex denom com 4 When the Video signal doesn t appear on the screen in REC Mode Check EE Mode 15 the EE signal normal YES Is 5 2VT 5 4VA applied to the 01 Pins 24 42 55 72 91 YES Does PB Mdoe operate normally YES Does the RF signal appear NO at the IC301 Pin 78 NO Check the line of the 5 2VT 5 4VA Line Power Circuit Check PB Mode Is the REC H signal about 4V applied to the IC301 Pin 80 Check REC Luminance YES Pass amp Color Pass Does the REC signal ap
66. TYPE 25V 5 BULK C121 0 227 618 O CAPACITOR FIXED ELECTROLYTIC 220UF SHL SD 25V 20 FL TP 5 C123 7 610 ojo O O O CAPACITOR FIXED ELECTROLYTIC 330UF KME TYPE 35V 20 FL BULK C127 _ 0CN223AK948 O O CAPACITOR TUBULAR HIGH DIELEC 10 0220 50V Z F 26 5 C135 0 4710 518 O O TUBULA HIGH DIELE 470P 50V KB 26 C153 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C190 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C301 0 4754 638 O CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50V 20 FM5 TP 5 C302 0 2264 638 O CAPACITOR ELECTROLYTIC 22M SRA 16V 5 C303 0 1220 668 O O TUBULA HIGH DIELE 1200P 16V M X TA26 C304 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V M 5 C305 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V M Y TA26 C306 0 1220 668 TUBULA HIGH DIELE 1200P 16V M X TA26 C307 0 1054 638 O CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C308 0 01532 409
67. Television PWM Pulse Width Modulation CBA Circuit Board Assembly PWR CTL Power Control CCD Charge Coupled Device Q Q Transistor C CTL Chro Control Capstan Control QH Quasi Horizontal CFG Capstan Frequency Generator QSR Quick Setting Record CHROMA Chrominance QTR Quick Timer Record CNR Chroma Noise Redution QV Quasi Vertical COMB Combination R R Resistor Right Comb Filter RE or RC Remocon Receiver COMP Comparator REC Recording Composite REC S H Record Start Hight Compensation REF Reference CONV Converter 1 REG Regulated Regulator Sw Switch REMOCON Remote Control unit C SYNC Composi e Synchronization CTL DIV Control Divide RTC Reel Time Counter CUR Current 222 CYL Cylinder mm Slow Accel D D Drum Digital Diode Drain SAOP Second Audio Program D ADJ Drum Adjust SC Scart Simulcast DC Direct Current S DET Secam Detect D CTL Drum Control SH Shift DEMOD Demodu ator SHARP Sharpness DET Detector SIF Sound Intermediate Frequency DEV Deviation SLD Side Lockin 9 DHP Double High Pass S N Signal to Noise Ratio DIGITRON Digital Display Tube 9 SP Standard Play DL Delay line ST Stereo DOG Drop Out Compensator SUB Subtract Subcarrier BING 1 SWorS W Swith 5 Dummy Vertical Synchronization SYNC Synchronization E E Emitter SYSCON System Control EE Electric to Eletric T T Coil EMPH
68. W 5 TA26 R5R6_ ORD3300F608 ojo RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R5R7 _ 0RD3300F608 O O RESISTOR FIXED CARBON FILM 330 OHM 1 6 W 5 TA26 R5R8 ORD1001F608 OJRESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R5S1 ORD5601F608 OJRESISTOR FIXED CARBON FILM 5 6K OHM 1 6 W 5 TA26 R5T1 0801801 608 O CARBON FILM 1 8K OHM 1 6 W 5 TA26 R5T10 ORD1501F608 OJRESISTOR FIXED CARBON FILM 1 5 OHM 1 6 W 5 TA26 5 11 ORD1001F608 CARBON FILM 1K OHM 1 6 W 5 TA26 5 12 ex denom com ex denom com AL LOCA NO PART NO LG DESCRIPTION SPECIFICATION REMARKS R5T2 0801501 608 O O O 0 CARBON FILM 1 5K OHM 1 6 W 5 TA26 R5T3 ORD2201F608 0 O RESISTOR FIXED CARBON FILM 2 2K OHM 1 6 W 5 TA26 R5T4 ORD2701F608 0 CARBON FILM 2 7K OHM 1 6 W 5 TA26 R5T5 1 0803901 608 0 O RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 TA26 R5T9 ORD1801F608 O O O 0
69. current TV receivers is the picture tube However this tube does not emit x rays when the HV is at the factory specified level The proper value is given in the applicable Schematic Operation at higher voltages may cause a failure of the picture tube or high voltage supply and under certain circumstances may produce radiation in excess of desirable levels 2 Only factory specified CRT anode connectors must be used Itis essential that the service personnel have available an accurate and reli able high voltage meter 4 When the high voltage circuitry is operating properly there is no possibility of an x radiation problem Every time a chassis is serviced the brightness should be run up and down while monitoring the high voltage with a meter to be certain that the high voltage does not exceed the specified value and that it is regulating correctly a When troubleshooting and making test measurements in a product with a problem of excessively high voltage avoid being unnecessarily close to the picture tube and the high voltage power supply Do not operate the product longer than necessary to locate the cause of excessive voltage Refer to the CRT Anode High Voltage Measurement and Shutdown Adjustment procedures described in the appropriate text where used IMPLOSION 1 All direct view picture tubes are equipped with an integral implosion protec tion system take care to avoid damage during installation 2
70. its specific model of television receiver or generically approved for use with TVs of the same or larger screen size Caution customers against using extension cords Explain that a forest of extensions sprouting from a single outlet can lead to disastrous conse quences to home and family 1 2 ex denom com ex denom com SERVICING PRECAUTIONS CAUTION Before servicing the VCR covered by this service data and its supplements and ADDENDUMS read and fol low the SAFETY PRECAUTIONS NOTE if unforeseen cir cumstances create conflict between the following servicing precautions and any of the safety precautions in this publi cations always follow the safety precautions Remember Safety First General Servicing Precautions 1 Always unplug the VCR AC power cord from the AC power source before 1 Removing or reinstalling any component circuit board module or any other assembly 2 Disconnection or reconnecting any internal electrical plug or other electrical connection 3 Connecting a test substitute in parallel with an elec trolytic capacitor Caution A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in an explosion hazard 2 Do not spray chemicals on or near this VCR or any of its assemblies 3 Unless specified otherwise in this service data clean electrical contacts by applying an appropriate contact cleaning solution to the contacts with a pipe clea
71. jack Adjustment Procedure 1 Connect the probe of the oscilloscope to Audio Output Jack 2 Alternately adjust the Azimuth Adjustment Screw A and the Tilt Adjustment Screw C for maximum output ol the 1KHz and 7KHz segments while maintaining the flattest envelope differential between the two frequencies 6 X Value Adjustment Play an Alignment Tape 1KHz 7KHz Sections Azimuth Adjustment Screw A Height Adjustment Screw B 1KHZ 7KHZ A Maximum B Maximum Fig C 5 4 Purpose To obtain compatibility with the other VCR VCP Models Test Conditions Test Equipment Fixture Connection Point Mechanism Condition Adjustment Point Oscilloscope Alignment Tape SP only Screw Driver Type 5mm CH 1 PB RF Envelope CH 2 NTSC SW 30Hz PAL SW 25Hz Head Switching Output Test Point RF Envelope Output Test Point Adjustment Procedure 1 Release the Automatic Tracking to run long enough for tracking to complete it s cycle 2 Loosen the Fixed Mounting Screw and move the Base Assembly A C Head in the direction as shown in the dia gram to find the center of the peak that allows for the max imum waveform envelope This method should allow the 31um Head to be centrally located over the 58um tape track 3 Tighten the Base Assembly A C Head mounting Screw 4 17 PI n Alignment aya gnment Groove at the Base A C Adjustment Diagram X Valu
72. not to be caught the D part embossing of the Chassis by the Chassis as Fig 2 Turn the Base Tension to counterclockwise direction and lift it up 4 11 ex denom com ex denom com DECK MECHANISM ADJUSTMENT e Tools and Fixfures for Service 1 Cassette Torque Meter 2 Alignment Tape 3 Torque Gauge SRK VHT 303 Not SVC part Parts No NTSC DTN 001 600g Cm ATG Parts No 000 0006 PAL DTN 0002 Parts No D00 D002 4 Torque Gauge Adaptor 5 Post Height Adjusting Driver 6 Type Driver 5 Parts 009 8001 Parts No DTL 0005 2 3 10 4 12 ex denom com ex denom com DECK MECHANISM ADJUSTMENT 1 Mechanism Alignment Position Check Purpose To determine if the Mechanism is in the correct position when a Tape is ejected Test Equipment Fixture Test Check Point Blank tape Eject Mode with Cassette ejected Mechanism and Mode Switch Position 1 Turn the Power S W on and eject the Cassette by press 4 Remove the Screw which fixes the Deck Mechanism and ing the Eject Button Main Frame and confirm if the Gear Cam is aligned with 2 Remove the Top Cover and Plate Assembly Top visual the Gear Drive as below Fig C 1 A ly check if the Gear Cam is aligned with the 5 Confirm if the Mode S W on the Main P C Board is Chassis Hole as below Fig C 2 aligned as below Fig C 1 B 3 IF not rotate the Shaft of the Loading Motor to either 6 Remount the Deck Mechanism on the Main P C Board clockwise or
73. setting procedure NAME HEX BINARY gt DETECT NEW EEPROM OPTION EDIT SCREEN 1 00 00000000 En EDIT screen automatically appears if replacing OPT2 00 00000000 AIT Set tion dat th Up D key of a OPT3 00 00000000 2 using the cursor Up Down key 00 00000000 Setup upon BOM depending on OPT1 OPT6 model 5 00 00000000 Since an initial remote control is set to LG for LG model OPT6 00 00000000 appropriately set optional data using the cursor Up Down WR 1 EXIT MOVE 4 key EDIT AV EEPROM WRITED COMPLETE SCREEN Writes data EEPROM by using REMOCON MASKROM ROQ If completing the option data screen with a menu key EEPROM LG CODE Powering Off is automatically done and the option edit screen is arranged PG ADJUST a Insert the PAL SP Test Tape and play MODEL NAME BINARY Note Adjust the distance of X pressing the Tracking or Tracking when the is LV2378 OPTION1 00000000 blink after the PAL SP Test Tape is inserted 90909000 b Press the Auto PG KEY on JIG Remocon 1 st or Press OPTION3 00000000 REC key on set and CLEAR key on Remocon Then OPTION4 00000000 check the blink TRK OK on CLK LED TRK is a Initial OPTION5 00000000 ON 6 00000000 Press the Auto PG Key on JIG Remocon again 2 nd or press REC key on set and CLEAR key on Remocon LV2578 OPTION1 00000000 again T
74. the Servo Syscon Check the Syscon Circuit Is the terminal voltage vctl of the Drum Motor more than 4V Check the Syscon Circuit YES Replace the Drum Motor A 25 ex denom com ex denom com MECHANISM TROUBLESHOOTING GUIDE 2 Front Loading Mechanism A Cassette cannot be inserted Does the Lever Assembly NO Is the Lever Assembly Switch NO Replace or add the Lever Switch work gt Spring damaged or omitted Assembly Switch Spring YES YES NO Does the CST IN Switch work Replace the CST IN Switch normally YES Is the Vcc of P C Board 5V 2 Check the syscon circuit ves NO Is the voltage between cassette switch and GND on Main Check the power circuit P C Board 5V YES Check the Mode switch location Is there a short circuit between cassette and syscon circuit switch and GND on main P C Board YES NO Remove the short circuit part or Replace the main P C Board Replace the CST IN Switch B Cassette does not eject Does the L D Motor rotate in reverse Check the L D Motor or Drive IC ves NO Does the Lever Assembly Switch work T Replace the Lever Assembly Switch YES NO Does the Arm Assembly work normally Replace the Arm Assembly F L Does the Opener Door work o Replace the Opener Door 4 26 ex denom com ex denom com MECHANISM TROUBLESHOOTING GUIDE Cassette does not load Does th
75. 08 O RESISTOR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 R555 ORD2200F608 O RESISTOR FIXED CARBON FILM 220 OHM 1 6 W 5 TA26 R556 0802202 608 O RESISTOR FIXED CARBON FILM 22K OHM 1 6 W 5 TA26 R557 0802702 608 O RESISTOR FIXED CARBON FILM 27K OHM 1 6 W 5 TA26 R558 ORD2202F608 CARBON FILM 22K OHM 1 6 W 5 TA26 R559 0804701 608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R560 0RD4701F608 O O O O O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R561 0805600 608 O O O O O RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R562 0805600 608 O O O O O RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R563 0805601 608 O RESISTOR FIXED CARBON FILM 5 6K OHM 1 6 W 5 TA26 R564 0802702 608 O RESISTOR FIXED CARBON FILM 27K OHM 1 6 W 5 TA26 R566 0804701 608 OJRESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R567 0801002 608 O RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R568 _ ORD6802F608 O O O O OJRESISTOR FIXED CARBON FILM 68K OHM 1 6 W 5 TA26 R569 0801004 608 O O O O OJRESISTOR FIXED CARBON FILM 1M OHM 1 6 W 5 TA26 R
76. 09 2SC5343 L AUK TO92 0305 OTR198009CA 2SA1980G TP AUK TO92 0306 0 534409 OJ TRANSISTOR 2SC5344Y TP 0307 OTR198009CA O TRANSISTOR 2SA1980G AUK 92 0308 OTR198009CA OJ TRANSISTOR 2SA1980G TP AUK TO92 0309 0 198009 O TRANSISTOR 2SA1980G TP AUK TO92 0501 0 534309 O O O 9 OJ TRANSISTOR 2SC5343 L TP AUK TO92 0502 0 534309 OJ TRANSISTOR 2SC5343 L TP AUK TO92 0503 0TR127309AA O O O O OJ TRANSISTOR KTA1273 TP Y KTA966A KEC 0504 0 534309 OJ TRANSISTOR 2SC5343 L TP AUK TO92 0514 OTR120309AE OJ TRANSISTOR SRC1203 TP AUK TO92 22 22 Q515 OTR120309AE OJ TRANSISTOR SRC1203 TP AUK TO92 22 22 1 OTR120309AE ojo TRANSISTOR SRC1203 TP AUK TO92 22K 22K Q5P2 OTR120309AE ojo TRANSISTOR SRC1203 TP AUK TO92 22K 22K 5 OTR120309AE ojo TRANSISTOR SRC1203 TP AUK TO92 22K 22K 5 4 OTR120309AE ojo TRANSISTOR SRC1203 TP AUK TO92 22K 22K Q5P5 OTR120309AE ojo TRANSISTOR SRC1203 TP AUK TO92 22K 22K Q5P6 OTR120309AE ojo TRANSISTOR SRC1203 TP AUK TO92 22K 22K 9551 _ 0TR534309BA 2SC5343 L TP AUK TO92 0901 0 120
77. 10155 B4 R301 19 R522 E7 RBT9 Li 1585613 P2 C308 1 2 506 759 05 16963 HI2 J907 0 0157 C4 18302 M6 R523 C3 R706 10 5 5 114 309 K9 C508 F3 760 05 9 1 P5 908 68 0159 09 R303 K3 R524 5 8707 10 585115 C310 1 509 C76 05 922 _ 909 G8 016 010 8304 J3 R525 E4 R709 _ 5572 E 3 121 510 82 C764 05 01 9 121 0162 84 R305 526 753 03 5W5T3 C312 C511 K3 165 05 C9F2 01 J9M2 H12 0163 AL R306 H 0 R527 0218754 5 5 5 4 82 C313 Ft C512 K3 C766 N5 CgF3 9 3 19 110164 B4 8307 11018528 X ES R755 05 5 515 82 C314 H9 513 K3 C769 C9F4 9 4 0165 B4 8308 8529 0318756 05 50576 2 C315 18 514 63 770 08 C9F5 2 J9M5 11010166 B3 R309 530 H5 8757 05 58517 DI C316 18 515 63 C771 C9Mt J9M6 111110301 110 8310 H10 R531t F2 R758 05 87 C317 18 C516 M5 C772 C9M3 N9 J9M7 J12 0302 HIO R3 19 8535 62 R759 N5 TU7O 2 C318 18 C518 C773 9 9 48 N7 0303 1108312 19 R542 03 R7Mt 011 301 18 C319 19 C519 62 C790 5 M9 JK80 01210304 11018313 543 H5 R7M2 401 012 C320 17116520 D3 C7M2 Ot C9M6 9 901 1210305 K7 R314 121 544 M2 R7M3 011 501 63 C321 L9 C523 J3 C7M3 PII C9M7
78. 14 0 1030 678 TUBULA HIGH DIELE 0 01M 16V TA26 C751 0 4764 638 CAPACITOR ELECTROLYTIC 47M SRA SS 16V M 5 TP 5 C752 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01 16 26 C753 0 5600 408 CAPACITOR TUBULAR T C 56P 50V J SL 26 C754 0 5600 408 CAPACITOR TUBULAR T C 56 50V J SL TA26 C755 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V M TP 5 C756 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01 16 26 C757 0 4764 638 CAPACITOR ELECTROLYTIC 47M SRA SS 16V M 5 TP 5 C758 OCE1064F638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C759 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 5 C760 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01 16 26 C761 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01M 16V TA26 C764 _ OCN3920F668 TUBULA HIGH DIELE 3900P 16V MX 26 C765 0 1520 668 O CAPACITOR TUBULAR HIGH DIELEC 1500 16V M X TA26 C766 0 354 638 CAPACITOR FIXED ELECTROLYTIC 3 3UF SRA SS 50V 20 FM5 TP 5 C769 0 1064 638 CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C770 0 1020 518 O O TUBULA HIGH DIELE 1000P 50V KB
79. 1or 12301 Pin 80 _ 24122556 9 al Se 2 2 3005 2 8652 v peet jet gt gt SYNC GND 1 3 REC is defective 43 FULLERASE 2 88 988 gt abo ie REC SECAM V IN KDE 77 1955 mst ut TO system t 1 PB H 2 wl xxx T IRIRE Edd 30 0307 0508 ee FROM TO SYS AVCP S L201 R305 833 9 3 6 kiAltzaz 1267 P3002 144 5 2V CTL 1 6 01 14148 HEEE 5 33 SECAM H o hhk 5 3 LC 12 c3t2 5 R308 3 gt 4 0 01 4 7K nal 4 8 C216 3 REC 5 44838 538 0 010 5 A PB 6 En 5 T gu 5 6 TH gt 28 xg pug Y OND SL 8 210 208 IC301 Pin 84 is defective a 6217 85 6208 mU cou FRE 5 lt Audio Tracking is failed Y Wu 101 COMP OUT 25 v 2 i ah 134110 2 1 C361 Tus IE 0 0220 m onm 12301 Pin 69 68 are defective a 359 EUNTEM 23501 700 gt and Recording is failed CN O SPAPB fi e IC301 doesn t operate SP REC 2 lt 9 3 N 1305 P B PI gt d t 8 3 gt IC301 1900H 143 lt 777 ET LP REC C333
80. 26 R964 0808200 608 O O O O CARBON FILM 820 OHM 1 6 W 5 TA26 R965 0801001 608 CARBON FILM 1K OHM 1 6 W 5 TA26 R968 874 000 COPPER TIN COATED 0 0 6 ROLL R969 874 000 WIRE COPPER TIN COATED 0 0 6 ROLL 9 2 874 000 OWIRE COPPER TIN COATED 0 0 6 ROLL R9F1 ORD4701F608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R9F2 ORD4701F608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R9F2 874 000 ojo WIRE COPPER TIN COATED D 0 6 ROLL 9 0RD0752F608 O RESISTOR FIXED CARBON FILM 75 OHM 1 6 W 5 00 TA26 H9K1 874 000 WIRE COPPER COATED D 0 6 ROLL 5 13 ex denom com ex denom com AL LOCA NO PART NO LG A H DESCRIPTION SPECIFICATION REMARKS R9K2 ORD1000F608 RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R9M1_ ORD4702F608 ojojo O O RESISTOR FIXED CARBON FILM 47K OHM 1 6 W 5 TA26 R9M2_ ORD3901F608 ojojo ojo RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 TA26 R9M3 0804702 608 ojojo 0 0 RESISTOR FIXED CARBON FILM 47K OHM 1 6 W 5 TA26 9 4 0803901 608 ojojo O O RESISTOR FIXED CARBON FILM
81. 309 O O O 0 SRC1203 TP AUK TO92 22K 22K 9902 0 220309 SRA2203 TP AUK TO92 22K 22K 9903 OTR120309AE O O O 5 SRC1203 TP AUK TO92 22K 22K 9906 0 534309 OJ TRANSISTOR 2SC5343 L TP AUK TO92 Q9M1 0 534309 O O O O 2SC5343 L AUK TO92 Q9M2 0 534309 O O O 0 O TRANSISTOR 2SC5343 L TP AUK TO92 R101 614 007 O RESISTOR 2 7 2W CEMENT SMPS V R102 ORD1803F608 O O O CARBON FILM 180K OHM 1 6 W 0 05 TA26 R103 ORDO682F608 O RESISTOR FIXED CARBON FILM 68 OHM 1 6 W 5 00 TA26 R104 ORS5602K619 O RESISTOR FIXED METAL OXIDE FIL 56K OHM 2 W 5 00 TR R105 0 101 619 O RESISTOR DRAWING 1 OHM 1 2 W 7 0 5 00 TR R106 ORD1803F608 OJRESISTOR FIXED CARBON FILM 180K OHM 1 6 W 0 05 TA26 R109 ORSO350K619 METAL OXIDE FIL 0 35 OHM 2 W 5 00 TR R112 ORD1003F608 OJRESISTOR FIXED CARBON FILM 100K OHM 1 6 W 5 TA26 R116 0802200 608 CARBON FILM 220 OHM 1 6 W 5 TA26 R117 0802201 608 O O
82. 4 368 2K R307 EIN 1 SW 2 NC N 383 ASW 0504 eg 6 AouTGE 5 5 gt 2 5 2 8 NM 5 AJN1 TU G5 832 4 2 A IN2 S1 3t 5 5 C401 C404 9 8 9 88 IC301 is defective 35 50 2 3 R319 15 470 16 96 85 85 vINI TUNERYZS 73 5 1 0 5 5 550_ ja ES 9 55 E COLOR Signal disappear VIN2 S1 63 N R31 ols 18 1 rh rh 19 50 os 2 1 VNS OK 47 Is 2 Ej VINA FRONT m 88 lt gt 25 Br 1205 2 8 R401 a e VINS OSD o lt en 6 8K 396 C308 i lt L304 o D gt 537 0 015 BIAS CQIL eB lo z SEI 10 806 8 2 2 a Bs amp T 5 IZ 1 4 0072 52099 1 EN C310 ON eo Jeg 8 lt lt lt 6 i dal 4 7 358 Otu M ul 2 m o o 5 Im i ve 8 Ja js 5 o JE 5 9 gi 59 0302 0303 0314 defective
83. 47u 400V 1 0 5W 0155 LOADING DRUM gt 1 Power dead 8 i 0165 80101 R101 are defective 4 8 _8 o n2 7 No power d E D159 wle STANDBY H bes D102 is defective 0103 _ R103 155153 180k 180k 18 02 47 BA 5 SH L N SS m 129 109 0110 0159 oel As amp 100 50 RL 04F A1273 ol gt gt SLI 8167 0161 6 5418 aratro 3 9K C3199 R163 ow o TT els 982 C58 HSR H 2 D Om No 5 3VA and 5VG No 0166 di c i ai 2 2 0106 is defective EN 1267 R173 E ANN 270 EU L103 S 0 211 5 2 22 ToU dii Q152 is defective D T4T MICOM AVCP RESET gt 3 55 M273 TU EEPROM REMOCON 5 5 53 gt 41425 2 C101 2 R151 R1 Q162 HIFI SENSOR SECAM 0 10 275 ol 1 0K 560 C3199 61 A2 TU SPEAKez 4 7K 4 mimm NW lt 62 CTL H 624 088 R109 12 1 0 35 2W 0192 4 viot 7 5 2VT 154 0156 0165 AVCP VPS OSD TU H 330 155133 C101M C190 CANAL S W IC NW gt e 10u 16V 1 Power dead F101 is defective C112 0105 C115 0154 R1 12 RL104F 1268 ES AD NK TY 155133 abe gt ANY 148 5 A 1106 E 95 R158 TUNER 8 18 BEAD CORE ANN Switching dead IC101 is defective IW R119 3 3K 1 NWN 2 R120 BR BL 3 0 1 Pwiot Power dead GP390 1C102 IC103 are defective R121
84. 5640 M3 RBIB C336 561 L3 810 1210155 09 1503 K4 05P5 2 8330 69 R566 02 819 C337 564 3 C811 12 10156 1504 Q5P6 K2 R331 6128567 R820 338 H9 567 15 813 2 0159 1505 3 0551 334 18 568 R821 Hit Solder Side ex denom com ex denom com 2 KEY LEFT P C Board LV3398 LV3598 LV3798 LV3799 e 565 549 swey 71 a 9 gt 4 54988 54966 C suave 2PIN 01 RIN 2 GND SPIN 1 POWER KEY 2 RIN 3 GND _ 8967 _ Solder Side LOCATION GUIDE 01 R967 B2 R968 2 R969 2 R9K1 83 54966 C2 5W967 82 5W968 2 58969 2 9986 C2 58987 2 996 C2 54997 2 SW9Y6 SW9Y7 3 47 LV2578 6870 2 3 48 e 972 R4984AA 1 POWER KEY 04 gg 2 KEY RIN 3PIN 3 640 ST EJECT 00 POWER ava TRKE 954971 D Dre SW e LIS gt S 22 TY Sp E 59981 5982 LOCATION GUIDE 01 B3 R9K1 B2 RIK2 82 58951 2 54952 C2 SW971 B2 58972 C2 58981 B2 SW982 C2 SW991
85. 570 0804701 608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R575 0804701 608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R576 0804701 608 O O O O OJRESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R577 0RD4701F608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R578 0804701 608 O RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R579 ORD5602F608 OJRESISTOR FIXED CARBON FILM 56 OHM 1 6 W 5 TA26 R582 0801000 608 O O O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 583 0801002 608 O O O O O RESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 R589 0801004 608 O RESISTOR FIXED CARBON FILM 1M OHM 1 6 W 5 TA26 R591 0801003 608 O RESISTOR FIXED CARBON FILM 100K OHM 1 6 W 5 TA26 R5A2 ORD1002F608 OJRESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 5 ORD1002F608 O O O OJRESISTOR FIXED CARBON FILM 10K OHM 1 6 W 5 TA26 5 5 0804703 608 OJRESISTOR FIXED CARBON FILM 470K OHM 1 6 W 5 TA26 R5B3 ORD1001F608 OJRESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R5B4 ORD1001F608 O OJRESISTOR FIXED CARBON FILM 1K OHM 1
86. 608 0 FIXED CARBON FILM 100K OHM 1 6 W 5 TA26 R337 0802201 608 O O O 0 CARBON FILM 2 2K OHM 1 6 W 5 TA26 R338 0802700 608 CARBON FILM 270 OHM 1 6 W 5 TA26 R339 0805600 608 FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R340 ORD1802F608 0 CARBON FILM 18K OHM 1 6 W 5 TA26 R342 0805600 608 CARBON FILM 560 OHM 1 6 W 5 TA26 R343 0800752 608 O O O RESISTOR FIXED CARBON FILM 75 OHM 1 6 W 5 00 TA26 R344 0804700 608 0 O RESISTOR FIXED CARBON FILM 470 OHM 1 6 W 5 TA26 R345 0804700 608 0 FIXED CARBON FILM 470 OHM 1 6 W 5 TA26 R346 0801000 608 0 CARBON FILM 100 OHM 1 6 W 5 TA26 R347 0801000 608 O O RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R349 08018017608 O O O 0 FIXED CARBON FILM 1 8K OHM 1 6 W 5 TA26 R350 ORD1002F608 FIXED CARBON FILM 10 OHM 1 6 W 5 TA26 R351 0808203 608 0 CARBON FILM 820K OHM 1 6 W 0 05 TA26 R3A1 ORD1002F608
87. A CANAL Buffer No 12VA YES Is Vcc about 13VA put into the Q155 E Replace the Peripheral Circuitry of D160 Is Voltage about 12V put into the Q155 C YES Check or Replace the Q155 3 5 ex denom com ex denom com 4 No 5VT 5V No 5VT 5V YES Is 5 3VA put into the Q152 Q151 collector Is the Q163 Q162 Base Check the com Control Is about 4 7V put into the Q152 Q151 Base Check the Q163 Q162 whether it works normally YES Check or Replace the Q152 Q151 3 6 ex denom com ex denom com 2 Servo Circuit Unstable Video in PB Mode Does the on screen noise level change periodically YES Do CTL pulses appear at 501 pin 8 YES Does the CFG divide waveform appear at IC501 pin 9 YES Do the CTL pulses move when TRK is operated YES Does the Video Envelope waveform appear at IC501 Pin 24 Is the height of the CTL Head adjusted correctly Y Adjust the CTL Head NO Replace IC501 NO YES Replace IC501 Check AVCP IC 3 7 ex denom com ex denom com B Drum Motor stopped Does 12V appear at 1 Pin 8 YES ne Does 2 8V appear at PMDO1 Pin 12 Y Check Power Check Connector and Drum Motor Ass y Y Does Drum PWM appear at IC501 Pin 107 NO YES Check the Components and foil Pattern between IC501 Pin 26 and PMCO1 P
88. A26 R319 ORD5600F608 O RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R320 0801500 608 O RESISTOR FIXED CARBON FILM 150 OHM 1 6 W 5 TA26 R321 0801201 608 0 CARBON FILM 1 2K OHM 1 6 W 5 TA26 R322 0801001 608 O RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R324 ORDSSOSF608 O O RESISTOR FIXED CARBON FILM 330K OHM 1 6 W 5 TA26 R325 0804700 608 FIXED CARBON FILM 470 OHM 1 6 W 5 TA26 R326 ORD1202F608 0 FIXED CARBON FILM 12K OHM 1 6 W 5 TA26 2327 0805601 608 0 CARBON FILM 5 6K OHM 1 6 W 5 TA26 R328 0802700 608 CARBON FILM 270 OHM 1 6 W 5 TA26 R329 ORD1202F608 O O O 0 FIXED CARBON FILM 12K OHM 1 6 W 5 TA26 R330 ORD1002F608 O O O O CARBON FILM 10K OHM 1 6 W 5 TA26 R331 0804701 608 FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R334 0802701 608 0 O RESISTOR FIXED CARBON FILM 2 7K OHM 1 6 W 5 TA26 R335 ORD6801F608 O O O 0 CARBON FILM 6 8K OHM 1 6 W 5 TA26 R336 ORD1003F
89. AL ELECTROLYTIC 47UF SRA SS 35V FM5 TP 5 547 0 1030 678 0 TUBULA HIGH DIELE 0 01M 16V M Y TA26 C551 0 03332 409 O CAPACITOR FIXED FILM 0 033UF 50V J PE TP C552 0 1030 678 TUBULA HIGH DIELE 0 01M 16V M Y TA26 C561 0 2274 638 O CAPACITOR ELECTROLYTIC 220M SRA6 3V 5 TP 5 C564 0 1020 518 O O TUBULA HIGH DIELE 1000P 50V KB TA26 C567 0 1020 518 O O TUBULA HIGH DIELE 1000P 50V KB TA26 C570 0 1500 415 O CAPACITOR CERAMIC TEMP COMP 15 50V JNPO TS C571 0 1500 415 0 0 0 0 0 0 0 O CAPACITOR CERAMIC TEMP COMP 15 50V JNPO TS C575 0 1020 518 TUBULA HIGH DIELE 1000P 50V KB TA26 C576 0 2700 415 CERAMIC TEMP COMP 27 50V JNPO TP C577 0 223 948 DIELEC 0 022UF 50V Z TA26 S 5 5 ex denom com ex denom com AL LOCA NO P
90. ART NO LG H DESCRIPTION SPECIFICATION REMARKS C578 0 2220 668 OJCAPACITOR TUBULAR HIGH DIELEC 2200 16V MX TA26 C581 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V TA26 C582 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V TA26 C583 0 1040 948 0 0 0 0 0O O O O TUBULAR High d 0 1UF D 50V 80 20 F Y5V C589 0 02232 409 O CAPACITOR FIXED FILM 0 022UF S 50V J PE TP C596 0 1040 948 O O TUBULAR High d 0 1UF 50V 80 20 F Y5V TA 0 1040 948 TUBULAR High d 0 1UF D 50V 80 20 F Y5V 5 4 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V M Y TA26 5 5 0 1054 638 0 0 0 0 0 O O O CAPACITOR ELECTROLYTIC 1 0 SRA SS50V 5 TP 5 C5G1 0 1020 518 0 0 TUBULA HIGH DIELE 1000P 50V KB TA26 C5G2 0 1086 638 O CAPACITOR FIXED ELECTROLYTIC 1000000000 SMS SG 6 3V FM C5G3_ 0CN1040K948 O O O CAPACITOR FIXED TUBULAR High d 0 1UF D 50V 80 20 F Y5V C5K1 0 1040 948
91. C 10M SRA 16V 5 TP 5 C323 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V TP 5 C324 0 4754 638 O O CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50V 20 FM5 5 C325 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C326 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V TA26 C327 0 1054 638 0 O CAPACITOR ELECTROLYTIC 1 0 SRA SS50V M FM5 5 C328 0 1030 678 0 TUBULA HIGH DIELE 0 01M 16V TA26 C329 0 1030 678 O CAPACITOR TUBULA HIGH DIELE 0 01M 16V TA26 C330 0 1040 948 O CAPACITOR FIXED TUBULAR High 0 1UF D 50V 80 20 F Y5V C331 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 TP 5 C333 0 4764 638 0 0 0 0 0 O O CAPACITOR ELECTROLYTIC 47M SRA SS 16V M 5 TP 5 0334 0 4730 948 O TUBULAR High d 0 047UF D 50V 80 20 F Y5V C335 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V TA26 C336 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V M 5 TP 5 C337 0 1054 638 O O
92. CIFICATION REMARKS 052A 14980R 0023A O SUPPORTER CAPSTAN D35 054 14470R 0100A O O O O O GEAR RACK 054A 49708 0124 O SPRING COIL 035 RACK 055 14470R 0097A O GEAR DRIVE D35 056 14470R 0096A O GEAR CAM D35 058 14421R 0007A O O ASSY CAPSTAN 060 _ 45108 00404 ojojo O O O LEVER F R D35 061 4265R 0005A O CLUTCH ASSEMBLY 035 061 4265R 0006A ojo CLUTCH ASSEMBLY D35 N 064 14470R 0098A O GEAR SECTOR D35 065 14261R 0021A O O ASSY NSP 066 14970R 0122A O SPRING COIL 035 NSP 067 14470R 0095A O GEAR NSP 068 14470R 0094A O GEAR P2 NSP 069 14970R 0122A O SPRING COIL 035 NSP 070 14261R 0020A O O O ASSY P2 NSP 076 14510R 0047A 0 0 0 0 0 0 0 O LEVER SPRING 077 _ 33008 116 OJPLATE SLIDER 078 14510R 0041A TENSION 079 _ 30408 0056 TENSION D35 100 33018 22 O O O O O O O OPPLATE ASSEMBLY TOP 100A 3300R 0184A OJPLATE GND 1008 3300 118 OJ
93. Capstan D35 up 2 Remove the three Screws S5 on bottom Chassis and lift the Motor Capstan up 23 Brake Assembly Capstan Fig 6 5 21 Lever F R Fig A 6 3 1 Pull the Locking Tab L2 back in direction of arrow and lift 1 Unlock the Locking Tab L1 as Fig A 6 3 and lift the it up Lever F R up 4 8 ex denom com ex denom com DECK MECHANISM DISASSEMBLY KC Gear Sector Fig A 7 3 Plate Slider Fig A 7 4 Lever Tension Fig A 7 5 Lever spring Fig A 7 6 Base Loading 24 Gear Drive Fig A 7 1 Gear Cam Fig A 7 2 1 Remove the Washer W2 and lift the Gear Drive up 2 Unhook the Hook H14 of the Gear Cam and lift the Gear Cam up NOTE When reassembling align the Gear Drive Hole A and the Gear Cam Hole B in a straight line after the Gear Drive Hole C is aligned with the Chassis Hole as Fig 25 Gear Sector Fig A 7 3 1 Unhook the Hook H15 of the Base Loading on bottom Chassis and lift the Gear Sector up 4 9 26 Plate Slider Fig A 7 4 1 Just lift the Plate Slider up 27 Lever Tension Fig A 7 5 1 Unhook the A portion of the Lever Tension from the Hook H16 of the Chassis 2 Turn the Lever Tension to counterclockwise direction and lift it up 28 Lever Spring Fig A 7 6 1 Unlock the Locking Tab L3 of the bottom Chassis and lift the Lever Spring up ex denom com ex denom com DECK MECHANISM
94. DISASSEMBLY Gear Assembly P2 Hole Gear Assembly P3 Hole Gear Assembly Fig A 8 2 Gear Sector Hole A Plate Slider Hole B Base Assembly P3 7 Fig A 8 4 Base Assembly 2 Fig A 8 3 Fig A 8 Fig 29 Gear Assembly P2 Fig A 8 1 30 Base Assembly P2 Fig A 8 3 Gear Assembly P3 Fig A 8 2 Base Assembly P3 Fig A 8 4 1 Just lift the Gear Assembly P2 up 1 Move the Base Assembly P2 in direction of arrow A 2 Just lift the Gear Assembly P3 up along the guide hole of the Chassis and disassemble it on bottom side NOTE 2 Move the Base Assembly P3 in direction of arrow B along the guide hole of the Chassis and disassemble it When reassembling align the two holes of the Gear on bottom side Assembly P2 and P3 in a straight line after confirmation whether the Gear Sector Hole A and the Plate Slider Hole B are aligned or not as Fig ex denom com ex denom com DECK MECHANISM DISASSEMBLY Base Tension Base Loading Fig A 9 2 9 Fig 9 1 Idler Lg Fig A 9 3 31 Base Loading Fig A 9 1 33 Arm Assembly Idler Fig A 9 3 1 Remove the Screw S7 1 Make narrower the two parts B and as Fig A 9 3 2 Lift the Base Loading up 2 Lift the Arm assembly Idler up 32 Base Tension Fig A 9 2 NOTE 1 Breakaway the A portion of the Base Tension from th when disassembling be careful
95. EM 5 1 5 0515 are defective 5501 ES502 10501 CCS 2 amp d 243 is unstable lt i 5 1 defective a 0501 0503 are defective WAVEFORM gt 3 36 3 37 3 38 ex denom com ex denom com SECTION 4 MECHANISM CONTENTS DECK MECHANISM PARTS LOCATIONS a ansie 4 1 Bottom View 4 1 DECK MECHANISM DISASSEMBLY 1 Drum Assembly 4 2 2 Plate TOP renee 4 4 3 Holder Assembly CST 4 4 A Opener DOG smerende 4 4 5 Bracket Assembly Motor 4 4 6 Gear Assembly Rack F L 4 4 7 Assembly casse 4 4 8 Lever Assembly 4 4 9 Arm Assembly Cleaner 4 5 TOSHOSO 4 5 11 Base Assembly A C 4 5 12 Brake Assembly T ice tons 4 6 13 Brake Assembly RS stranden 4 6 14 Arm Assembly 4 6 15 SJ Reel meene 4 6 16 Base Assembly 4 4 7 17 Opener ennen rte 4 7 18 Arm Assembly Pinch 4 7 19 Lever Arm T Upi seren stevenen 4 7 20 Belt Capstan Motor
96. Emphasis Test Point Enable TR Transistor ENV Envelope TRK Trackin EP Extended Play 9 TRANS Transformer EQ Equalizer TU Tuner Take u EXP Expander Fuse U UHF Ultra High Frequency UNREG Unregulated FBC V V Volt Vertical VA Always Voltage Frequency Generator VCO Voltage Controlled Oscillator Filter VGC Voltage Gain Control Frequency Modulation VHF Very High Frequency F R Front Rear V H SW Video Head Switch Synthesizer VISS VHS Index Search FSC Subcarrier Frequency VPS Video Program System Voltage VR Variable Resistor or Volume G GEN Generator Synchronization Voltage H High Horizontal volage to Voltage Integrated Circuit Voltage X tal Oscillator F Intermediate Frequency W Wait NS iinsert WHT White L Low Left Coil w o With out LD LED LD VTG CTL _ Loading Voltage Control 2 IAE Crystal LECHA Letter Character Luminance Chrominance L M Level Meter YNR Luminance Noise Reduction LP Long Play Z ZD Zener Diode 1 1 ex denom com ex denom com PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS IMPORTANT SAFETY NOTICE This manual was prepared for use only by properly trained audio video service technicians When servicing this product under no circumstances should the original design be modified or altered witho
97. G OK gt Replace the Drum Motor YES Are there T up and Supply Reel pulses YES gt D et 5 Co 5 lt 2 CD lt Q 5 Check the Syscon Replace the Reel Sensor Cassette doesn t load Insert the cassette D ves NO Does the Lever Assembly S W Check Lever Assembly S W work normally ves Is there variation for CST IN S W Output NO In Tape with REC Tab Does the CST IN S W work Replace the CST IN S W SHL normally In Tape without REC Tab SELS HP YES ves NO Check the Syscon Circuit Check the Syscon Circuit 4 24 ex denom com ex denom com MECHANISM TROUBLESHOOTING GUIDE m In PB mode Tape Presence not sensed NO Is the Pinch Roller attached Check Alignment positions to the Capstan Motor Shaft page 4 13 ves NO NO Does the T Up Reel turn Is the Belt ok Replace the Belt YES Does the Capstan Motor turn lt m o Check the Clutch and Idler Assembly YES NO Is the voltage supplied to the 2 Does te Drum Capstan Motor Vcc1 Vcc2 each YES YES Is the terminal voltage vctl NO Capstan Motor supplied more than 4V Are there DPG DFG pulses Check the Servo Power ves lt o Are the T Up and Supply Reel Sensors ok Replace the Capstan Motor YES Is the Vcc voltage of the Drum Motor normal ves Check
98. GND 6 4 ers z 488 eze a M a AUD T KTC3199 aa lon 005 55 1005 oU lo a YCR E AM VIDEO i 2 PMKO2 e e e e 1 GND 10 TOOL KEY OPTION RIGHT TH te 1 j i 3 R502 100 i 77 4 502 BERR 100 els CLOCK SETTING will not operate 7 2E D V SYNC 08 rm ols X501 is defective 502 is defective 1 0 59 4 8562 T POWER KEY R526 5 6 100 2 KEY RTNO DFG FG CFG V IN V OUT R5G 00 5 i i i 9 EM sao IC501 PIN 103 104 IC501 Ping IC501 Pin 17 IC501 Pin 19 m gt 1V 10mS 1V 10mS 500mV 20uS 500mV 20uS ee REC PB MODE EE PB MODE x F T 2 4 835 77 1 stopped UM DE 9 s 5 EARS ACELS O 330 worm TOME S sp 833 BE 8 5 KRCIOSM F 5 5 m X g EN FIA SMONTOR2 7 E 2888952558 R5R2 FRONTO DEOR 0526 0525 67 R579 107 mE SMONTORI 48 2323 55 85 05 2 550 2 47 220u 6 3V DOT 0 63 ee Ts 2 5 Ta 59 5 nor i 5 u ae HEN Ei 3 3 dim 2 1 EH 558 IE 5 5 918 85718 2 1 82 24 30 ver CARREV faj 35 gt ii T Limit 51 lt 1 0K R569 77 Noa 69 Si 7 R5R4 7 MOTOR GND 6 1 0M 95 SCND 7 6 IC501 59 z Pos FROM TO AUDIO JACK C SYNC R 156 R535 9
99. Guide Post Assembly P2 7 OSA 2 Tension Post 9 Capstan Shaft 1 Supply Reel 12 Take up Reel Fig C 9 3 Tape Transport System ex denom com ex denom com MAINTENANCE INSPECTION PROCEDURE 2 Required Maintenance The recording density of a VCR VCP is much higher than that of an audio tape recorder VCR VCP components must be very precise at tolerances of 1 1000mm to ensure com patibility with the other VCRs If any of these components are worn or dirty the symptoms will be the same as if the part is defective To ensure a good picture periodic inspection and maintenance including replacement of worn out parts and lubrication is necessary 3 Scheduled Maintenance Schedules for maintenance and inspection are not fixed because they vary greatly according to the way in which the customer uses the VCR VCP and the environment in which the VCR VCP is used But in general home use a good picture will be maintained if inspection and maintenance is made every 1 000 hours The table below shows the relation between time used and inspection period Table 1 When inspection is necessary About 1 year About 3 years About 18 months Average hours used per day Two hours QM Cleaning Patch 1 Coat With Isopropyl Alcohol 4 Supplies Required
100. KRC103M DRUM L M 8 P 10505 97 0 6 1 IC501 Pin 111 CAP CONTROL s t 95 3 4 R5R5 L W CONTROL 10 s 22 L4 AENV 1 0V 100uS 103 108 91 E u DPG DFG 41 0555 330 LED502 06 A H SW DRUM fe 31 HD6432197A KRCIOON EE PB MODE 2200p 102 gt 39 7 R5R6 gt 02 Zan F A IN R 3 6 10 KRciosm STAND BY DFA IN L S C575 18 S Rap E 5578 R521 R566 foz 1o00 NC 59 E MUTE M 4 A AK 85 cap SECAM DETH 606 ED DOT MODEL ONLY 5 5 R544 141 rm ALEVEL R 68 TOK Sl 1 05421 R523 AIK Bava 5 9 5 2 h 5 ALEVEL L 6 DIC DATA 10K 56 d geek 8 43 3 555 7 16 9 H 1 25 109 B SCART 2520555552 4 2220248224 gt 4 Rees Laz R5C6 Gon 2 3 2 5 6 7 8 9701 1263 256125819292 1 2223 222506 2229 ae D S5 took Footy LX 8 Remote control s Pulse will not received me T 214 R530 i i si E SL 88 HE RS RC501 is defective 2 25 029 R5P3 67 FROM Sl 4 52 120k GD STAND BY H Deck will not operate 3 A e 2 H 36 VCR will not operate 6 TIMER fs 1 0K 5 5 45 3 3 R5P2 i 62 814 R575 576 77 2 ow OX
101. P NO 3829RVP044A LG Electronics Inc MARCH 2003 3291AH3S AN66623 ANL6623 A 16724 406204 1176 004 466 19 611868817 866611188 01182211818211181 011 1900 LG VIDEO CASSETTE RECORDER MODELS LV2378 LV2578 LV2288 LV2788 LV3398 LV3598 LV3798 LV3799 FC230Y FC431Y FD240 Y FD941NY FC290Y FC491Y FC991NY FC999NY HD 5 PRECAUTIONS IN THIS MANUAL 550 69 i 1 Oo LV2378 LV2578 LV2288 LV2788 LV3398 LV3598 LV3798 LV3799 ex denom com TABLE OF CONTENTS SECTION 1 SUMMARY KEY TO ABBREVIATIONS 1 1 PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 2 SERVICING PRECAUTIONS 1 3 PROPOSAL FOR APPLYING SHORT PROTECTION 1 4 SERVICE NOTICE REPLACING 1 5 SERVICE INFORMATION FOR EEPROM IC SETTING nn anssen vanen danae ee 1 6 SPECIFICATIONS 1 7 SECTION 2 CABINET amp CHASSIS SERVICE METHOD 2 1 Electrical ems 2 1 EXPLODED VIEWS 2 2 1 Cabinet amp Main Frame Section 2 2 2 Packing amp Accessory Sect
102. PACKING amp ACCESSORY SECTION 801 3835RP0088C O O O O O INSTRUCTION ASSEMBLY VCR FC999NY FC934NY FC991NY FD 802 _ 3890R H532L BOX FC290Y NASHLL SWW3 A 0 858 4 802 _ 38908 532 BOX FC491Y NASHLL SWW3 A 0 858 4 802 _ 38908 5335 BOX FC991NY NASHLL SWW3 A 0 858 4 802 _ 3890R H533Y O BOX FC999NY NASHLL SWW3 A 0 858 4 802 _ 38908 795 BOX EC471Y NASHLL SWW3 A 0 858 4 802 _ 3890R H795Q BOX EC270Y NASHLL SWW3 A 0 858 4 802 _ 3890R H795R BOX ED280Y NASHLL SWW3 A 0 858 4 802 13890R H795W BOX ED981NY 5 SWWS A 0 858 4 803 3920 0067 O PACKING AF999NS 0 02 65 EPS 12 1190 23 804 292 05 SOFT VCP NSP 806 _ 6850R CAA26 O CABLE COAXIAL 1200M M PAL PAL DOUBLE SHIELD 808 534 008C O BATTERY MANGANESE 03 SEOTONG 1 5 V 810 68518 000 ASSY RF CABLE ASSY RF SCART RCA USING REMOTE CONTROL SECTION 900 6711 1 8 0 0 0 0 0 0 0 REMOTE CONTROLLER ASSEMBLY N6 UNIFIED EC281P W O SHOWVIEW 5 3 ex denom com ELECTRICAL SECTION ex denom com
103. PLATE TOP D35 105 14930R 0274A O HOLDER CST 106 4930 0275 SIDE R 107 4510 0044 STOPPER 109 15870R 0004A O O O O DOOR 110 4260 0035 F L L NSP 112 13070R 0002A 0 O BODY F L NSP 113 4970R 0127A O SPRING COIL 035 F L R NSP 114 14260R 0036A F L R NSP 115 14510R 0042A SWITCH 116 14970R 0138A O COIL 035 SWITCH 117 3300R M137A SPRING CST SCREW 401 1MEC0261518 ojojo 0 0 SCREW HEAD SPR W 401 1MEC0261518 SCREW HEAD SPR W 402 1 0261418 ojojo 0 0 SCREW HEAD D26 14 0 MSWR3 FZY 402 1 0261418 SCREW MACHINE PAN HEAD 2 6 14 0 MSWRS3 FZY 405 _ 1SZZR 0031B O O O O SCREW DRAWING 1 02 6 15 8 SWRCH16A FZY 406 1 0302018 HEAD MACHINE SCREW S W 03 0 16 0 MSWR3 FZY 409 15277 0032 O O O O SCREW DRAWING 1 02 6 15 0 SWRCH18A FZY 410 1APF0262218 5 HEAD
104. R High d 0 1UF 50 80 20 F Y5V C911 0 1020 518 TUBULA HIGH DIELE 1000P 50V KB TA26 C912 0 477 638 O O CAPACITOR AL ELECTROLYTIC 470UF SHL TYPE 16V M FM5 TP 5 C914 0 1020 518 TUBULA HIGH DIELE 1000P 50V KB TA26 C915 0 1040 948 O CAPACITOR FIXED TUBULAR High d 0 1UF D 50V 80 20 C917 0 2700 408 TUBULA T C 27P 50 JSL TA26 C920 0 1040 948 TUBULAR High d 0 1UF 50 80 20 F Y5V C921 0 1040 948 0 0 0 0 0 0 0 TUBULAR High d 0 1UF D 50V 80 20 C956 0 1054 638 O O CAPACITOR ELECTROLYTIC 1 0 5 5550 M 5 5 957 0 2700 408 TUBULA T C 27P 50V JSL TA26 C960 0 1040 948 O TUBULAR High d 0 1UF 50 80 20 F Y5V C961 0 1064 638 ELECTROLYTIG 10M SRA 16V 5 TP 5 C9F1 0 1020 518 O TUBULA HIGH DIELE 1000P 50V KB TA26 C9F2 0 1020 518 9 TUBULA HIGH DIELE 1000P 50V KB TA26 C9F3 0 1040 948 O CAPACITOR FIXED TUBULAR High d
105. R508 5 R5R3 J2 RoF3 P2 C21 E10 C374 L7 C709 PT C9I4 504 C2 MS501 05 RIbB 8509 15 R5R4 K2 RSM GB C212 10 1 375 10 915 505 11 P3D0 4 108159 B4 R510 F5 R5R5 2 2 C213 F10 C401 0121 711 10 916 4506 11 002 G9 8161 511 K3 R5R6 2 R9M3 08 24 0 402 1211 712 c917 507 11 00 N8 8163 08 8512 E8 R5R7 R9M4 08 25 10 403 _ 212 713 01109188 13508 N2 PMCO 8166 8513 KIJ RSRB Ft R9M5 C216 H7 0 12 714 11 919 11 509 MI RI67 10 8514 45 R551 L5 9 6 C217 405 DH C75 1 920 69 3510 02 8170 8515 G3 R5T RC501 C301 110110406 Et1 C752 05 C92 HB J701 P9 PMK02 B 8172 516 R5TIO 11 85501 C302 10 500 2 753 C954 7 04 03 8173 9517 R5T11 85502 K4 C303 19 C50t 64 C754 N3 C956 6123792 Et PWIO AT2 RIBI 812 8518 R5T2 SW5TI DI 304 L8 C502 F2 755 957 2 901 12 0151 B4 R201 F8 519 F3 R5T3 2 1585610 11 C305 18 503 62 756 960 Nt1 J902 0 0152 AG R202 E9 R520 1518574 2 SW5TI C306 9 504 757 961 903 1100154 AL R204 H7 8521 F2 R5T5 2 545112 02 C307 110 505 1 758 05 962 1214904 110
106. R575 04 8824 19 C103 10 1 342 H8 C576 5 819 0 502 2 1702 012110903 03 R338 6 576 DZ R825 19 C105 B9 C343 8 577 15 820 HI D509 6211703 7 0906 612 8339 J6 R577 0418826 3 C106 B8 C344 _ K9 C578 14 C82 0901 012104 1 09 1 N9 R340 J3 R578 0418827 6 C109 9 345 18 58 822 0902 MiilfL705 010 09 2 N9 R341 H7 8579 6218828 C12 A8 C346 C582 13116823 010903 12 751 R10 B 0 R342 J6 R582 2 8830 2 C13 111347 18 583 603 c824 612110904 MIII L753 102 10 6343 8583 J12 11 348 K9 C589 L3 C825 1 09 1 17 0108103 8344 010 589 15 RERI 09 0115 AG 349 19 595 110826 1 109 2 15 1801 J11 R104 89 345 6 R59t L3 R8R2 09 116 6 353 8 1416827 110 5501 07111802 CI2 RIOS B4 R346 2 8901 2 117 5 355 6 828 110 5502 N6 111881 0111 8106 81018347 18 15 902 C120 B6 C356 8 1829 110 102 C5 LBR2 011 8107 05 R349 5 5 H5 R903 08 C121 85 357 L8 561 12 C830 111 901 1111 109 A9 R350 583 F3 R904 08 C123 358 19 16562 C83 JM FHO02 902 1128112 AG R351 17 3 8905 12 C127 359 0 503 H C832 JM FL30 903 2 816 R3 1
107. ROLL 4908 874 000 WIRE COPPER TIN COATED D 0 6 ROLL 4909 874 000 WIRE COPPER TIN COATED D 0 6 ROLL J9M1 874 000 ojojo 0 0 WIRE COPPER TIN COATED 0 0 6 ROLL J9M2 874 000 ojojo 0 0 WIRE COPPER COATED D 0 6 ROLL 49 3 874 000 ojojo 0 0 WIRE COPPER TIN COATED 0 0 6 ROLL J9M4 874 000 ojojo ojo WIRE COPPER TIN COATED D 0 6 ROLL J9M5 874 000 ojojo WIRE COPPER TIN COATED 0 0 6 ROLL J9M6 874 000 ojojo ojo WIRE COPPER TIN COATED D 0 6 ROLL 49 7 874 000 ojojo 0 0 WIRE COPPER TIN COATED 0 0 6 ROLL J9M8 874 000 ojojo ojo WIRE COPPER TIN COATED D 0 6 ROLL JK801 66128 002 JACK RCA RCA 208C 06 YUQIU WH RD 901 66208 0002 JACK SCART DSAM 0120 DOOWON 1F 21P BK JK901 6620RMOOO2L JJACK SCART DSAM 0139 DOOWON 2 21 JK9F3 66128 0010 ojo JACK RCA 0153 DOOWON 2P YL WH JK9F3 661281 0050 JACK RCA DPAM 0152 DOOWON 3PIN YL WH RD L101 636 004 FILTER CIRC EMC BEAD CORE BFS3550R2FD8 R L102 616 145 00 0 O FILTER CIRC SHT LFS2020V4 04350 L103 633 0880 0 O O CHOCK 22MH 5MM TOKO TP 1104 633 088G O O O CHOCK 22MH TP L106 636 004 BEAD CORE BFS3550R2FD8 R 1301 OLRO102JON5 O O O
108. S 908 m C576 19 958 22218 5 ef Eus 2 9 s 1 N he e 2241 is 88 d TTS 70 e Dre 0851 2 1902 3 ma 18393 C SYNC W394 W395 H A SW AMUTE H C589 W594 e WP W5A2 W335 W377 PB RF COMP 001 1 547 2 2 48 A 4 77 Bem LE ein Am 4 3 3 ee gt 8 5 da da d 1 2 5JAND B TIMER CR ST T REC STAND Wer ERIS E mang 3 45 3 46 B SCART 9 13 14 17 18 21 719 mb ara 7 723 Ra 20375 Evs R302 5 4VA en 278 mit 25 564 mV CLK WOES DATA 903 ace 0951 JK801 e am Oo 5 LL BE 21070 ee 0 1107 52705 qe SCL e gu Ms 126 7 a Or Reg ba CHO R106 8707 el 0365 tins wW76l 57 Taal Zs 4759
109. S 16V M 5 C503 0 2274 638 ELECTROLYTIG 220M 6 3 5 TP 5 C504 0 2274 638 O CAPACITOR ELECTROLYTIC 220M 6 3 5 TP 5 C505 0 4764 638 O O O O ELECTROLYTIG 47M SRA SS 16V 5 TP 5 C506 OCN223AK948 O CAPACITOR TUBULAR HIGH DIELEC 10 0220 50V 2 TA26 S C508 0 1030 678 TUBULA HIGH DIELE 0 01M 16V M Y TA26 C509 0 2200 415 O CAPACITOR CERAMIC TEMP COMP 22 50V JNPO TS C510 0 2274 638 ELECTROLYTIG 220M SRA6 3V 5 TP 5 C511 0 1040 948 O TUBULAR High d 0 1UF 50 80 20 F Y5V C512 0 1020 518 O CAPACITOR TUBULA HIGH DIELE 1000 50 26 C518 0 1020 518 TUBULA HIGH DIELE 1000P 50V KB 26 C514 0 1200 415 O O O O O O CAPACITOR FIXED CERAMIC TEMP C 12PF 2012 50V 5 NPO TR C515 0 1500 415 O O CAPACITOR CERAMIC TEMP COMP 15 50V JNPO TS C516 OCN223AK948 0 O CAPACITOR TUBULAR HIGH DIELEC 10 0220 50V 2 TA26 S C518 0 1030 678 TUB
110. TA26 C771 0 1030 678 CAPACITOR TUBULA HIGH DIELE 0 01 16 26 C772 0 0500 015 CAPACITOR CERAMIC TEMP COMP _ 5 50V NPO TR C773 0 0800 015 CAPACITOR CERAMIC TEMP COMP 8 50V CNPO TS C790 0 1030 678 O O TUBULA HIGH DIELE 0 01M 16V M Y TA26 C7M2 0 1064 638 O CAPACITOR ELECTROLYTIC 10M SRA 16V 5 7 3 0 2700 408 0 0 0 0 0 0 0 TUBULA T C 27P 50V JSL TA26 C7M6 0 2700 408 O O TUBULA T C 27P 50V JSL TA26 C7V1 0 4764 638 O CAPACITOR ELECTROLYTIC 47M SRA SS 16V M 5 TP 5 C7V2 0 223 948 CAPACITOR TUBULAR HIGH DIELEC 0 022UF 50V Z TA26 S C7V3 0 1054 638 O CAPACITOR ELECTROLYTIC 1 0M SRA SS50V M FM5 TP 5 C7V4 0 4730 948 TUBULAR High d 0 047UF D 50V 80 20 F Y5V C7V5 0 4730 948 CAPACITOR FIXED TUBULAR High d 0 047UF D 50V 80 20 F Y5V C805 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF D 50V 80 20 F Y5V C806 0 4754 638 CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50V 20 FM5 TP 5 C807 0 4754 638 CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50V 20 FM5 TP 5 C808 0 1040 948 CAPACITOR FIXED TUBULAR High d 0 1UF D 50V 80 20 F Y5V TA C809 0 1040 948
111. UJI DO204AL 2 D104 0DD133009AA DIODE SWITCHING 155133 DETECT SW 0105 0DR104009BA O DIODE RECTIFIER RL104F 400V 1 0106 0DR158220AA 00 O DIODE RECTIFIER 1N5822 BK DO201AD 40V D109 0DR202000AB O DIODE RECTIFIER HER202 RECTRON 100V 2 D110 0DR104009BA ojo O O O O DIODE RECTIFIER RL104F TP RECTRON NON 400V 1A 0154 874 000 O OWIRE COPPER TIN COATED D 0 6 ROLL 0155 0DD207000AB 5 2 07 2 5 12 5 DELT 0156 0DD133009AA O DIODE SWITCHING 155133 DETECT SW TP D159 0DD133009AA DIODE SWITCHING 155133 DETECT SW TP D160 0DD133009AA DIODE SWITCHING 155133 DETECT SW 0301 000133009 O DIODE SWITCHING 155133 DETECT SW 0502 0DD133009AA 0 O DIODE SWITCHING 155133 DETECT SW 0509 0DD133009AA 00 0 O DIODE SWITCHING 155133 DETECT SW 0901 000133009 DIODE SWITCHING 155133 DETECT SW 5 7 ex denom com ex denom com
112. ULA HIGH DIELE 0 01M 16V M Y TA26 C519 0 1040 948 O CAPACITOR FIXED TUBULAR High d 0 1UF 50 80 20 F Y5V C520 0 1020 518 TUBULA HIGH DIELE 1000P 50V KB TA26 C523 0 2254 638 O CAPACITOR FIXED ELECTROLYTIC 2 2UF SRA SS 50V 20 FM5 TP 5 C524 0 4764 638 O O O O CAPACITOR ELECTROLYTIC 47M SRA SS 16V FM5 5 C525 0 2274 638 O ELECTROLYTIG 220 SRA6 3V 5 TP 5 C526 0CE4764J638 O CAPACITOR AL ELECTROLYTIC 47UF SRA SS 35V FM5 5 C527 0 2210 518 TUBULA HIGH DIELE 220P 50V KB 26 0533 0 1020 518 O O CAPACITOR TUBULA HIGH DIELE 1000P 50V KB C534 0 4754 638 O CAPACITOR FIXED ELECTROLYTIC 4 7UF SRA SS 50 20 FM5 TP 5 C535 0 4754 638 ELECTROLYTIC 4 7UF SRA SS 50 20 FM5 TP 5 C543 OCN2220F668 OJCAPACITOR TUBULAR HIGH DIELEC 2200 16 MX 26 C544 0 04732 409 O O O O CAPACITOR FIXED FILM 0 047UF 50V J PE TP C545 0 3330 518 CAPACITOR FIXED TUBULAR High d 0 033UF 50V B TA26 C546 0CE4764J638 O O O O O O CAPACITOR
113. V5 ORD6801F608 RESISTOR FIXED CARBON FILM 6 8K OHM 1 6 W 5 TA26 R7V6 0805603 608 RESISTOR FIXED CARBON FILM 560K OHM 1 6 W 5 00 TA26 R7V7 0804701 608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R7V8 ORD1000F608 RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R7V9 ORD1000F608 RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 TA26 R801 0804701 608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 26 R802 0RD4701F608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 26 R817 0803304 608 RESISTOR FIXED CARBON FILM 3 3M OHM 1 6 W 5 00 TA26 R818 0803302 608 RESISTOR FIXED CARBON FILM 33K OHM 1 6 W 5 TA26 R819 0802701 608 RESISTOR FIXED CARBON FILM 2 7K OHM 1 6 W 5 TA26 R820 ORD3902F608 RESISTOR FIXED CARBON FILM 39K OHM 1 6 W 5 TA26 R821 0802701 608 RESISTOR FIXED CARBON FILM 2 7K OHM 1 6 W 5 26 R822 ORD3302F608 RESISTOR FIXED CARBON FILM 33K OHM 1 6 W 5 TA26 R823 0804700 608 RESISTOR FIXED CARBON FILM 470 OHM 1 6 W 5 TA26 R824 ORD1000F608 RESISTOR FIXED CARBON FILM 100 OHM 1 6 W 5 26 R825 0805600 608 RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R826 0801801 608 RESISTOR FIXED CARBON FILM 1 8K OHM 1 6 W 5 TA26 R827 0801001 608 RESISTOR FIXED CARBON FILM 1K OHM 1 6 W 5 TA26 R828 0801001 608 RESISTOR FIXED CARBON FILM 1K OHM 1 6
114. W 5 TA26 R830 0RD4701F608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R831 0804701 608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 26 R8R1_ ORD5600F608 RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R8R2 ORD5600F608 RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R901 0800752 608 O O O O CARBON FILM 75 OHM 1 6 W 5 00 TA26 R902 ORDO752F608 0 CARBON FILM 75 OHM 1 6 W 5 00 TA26 R903 0803901 608 ojojo 0 0 RESISTOR FIXED CARBON FILM 3 9K OHM 1 6 W 5 TA26 R903 0RD4701F608 RESISTOR FIXED CARBON FILM 4 7K OHM 1 6 W 5 TA26 R904 ORD4702F608 0 FIXED CARBON FILM 47K OHM 1 6 W 5 TA26 R905 ORD5600F608 0 FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R906 ORD5600F608 O O O 0 FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R911 0800752 608 O O RESISTOR FIXED CARBON FILM 75 OHM 1 6 W 5 00 26 R912 0800752 608 O O RESISTOR FIXED CARBON FILM 75 OHM 1 6 W 5 00 26 R913 0805600 608 O O RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 26 R914 0805600 608 O O RESISTOR FIXED CARBON FILM 560 OHM 1 6 W 5 TA26 R943 0801501 608 0 CARBON FILM 1 5K OHM 1 6 W 5
115. WB PCB ASSEMBLY TOTAL MAIN FC230Y NASHLL PBMOO 6871R 7801M PWB PCB ASSEMBLY TOTAL MAIN FC290Y NASHLL PBMOO 68718 78015 PWB PCB ASSEMBLY TOTAL MAIN FD240Y NASHLL PBMOO 6871R 7801V PWB PCB ASSEMBLY TOTAL MAIN FD941NY NASHLL PBMOO 6871R 7801W PWB PCB ASSEMBLY TOTAL MAIN FC999NY NASHLL PBMOO 6871R 7801X PWB PCB ASSEMBLY TOTAL MAIN FC991NY NASHLL PKMO1 561 036B CONNECTOR CIRC WAFER MA 8283 0312 WH ELCO 4 561 036B CONNECTOR CIRC WAFER MA V 8283 0312 WH ELCO PMCO1 6630R BEO1L CONNECTOR CIRC BOARD TO BOAR JE612 12 JAE EUN 12 2 0MM 4 6631R E007K ASSEMBLY 8283 9073 3 PIN 150M M UL1061 PROGRAM 6957R 333BK PROGRAM 02 CA 80 F7 00 32 FC230Y NASH PROGRAM 6957R 333BL PROGRAM 12 CA 80 F7 00 32 FC290Y NA5H PROGRAM 6957R 333BN PROGRAM 30 80 F7 00 32 FC491Y NASH PROGRAM 6957R 333BS PROGRAM 2 C8 CO F7 00 32 FD941NY NA5 PROGRAM 6957R 333BQ PROGRAM 02 C8 CO F7 00 32 FD240Y PROGRAM 6957R 333BT O PROGRAM BC 88 F7 00 32 FC999NY NA5 PROGRAM 6957R 333BU PROGRAM 80 F7 00 32 991 NA5 PW101 561 292B O O O CONNECTOR GP390 LGC 3P 3 96 STRAIGHT SN 0151 0 127309 O O O 0 OJ TRANSISTOR KTA1273 TP Y KTA966A KEC 0152 OTR127309AA OJ TRANSISTOR KTA1273 TP Y KTA966A KEC 0154 OTR126809BA O O O
116. WITCH CTL AMP BLOCK OSD BLOCK VCC INPUT BLOCK OSC BLOCK n R561 562 567 568 513 R5A2 5A5 5S1 OSD VCC 4 10MHZ 2 R355 558 559 5B4 CST sw C5A5 5A4 5S1 L503 C504 C5S3 X501 C570 C571 929 024 927 R C582 o 564 511 512 1551 0551 amp SERVO VCC _ Zee 88502 P AD ETC C576 1501 0504 R544 548 5C6 L504 C505 C506 ZD503 32 768 7 TR 8553 556 560 583 C552 G SYNG INPUT BLOCK 4 SEEN VCC X502 C514 C515 R575 576 577 578 581 Ge R520 509 R583 R529 R542 lt CHARACTER OSC RS501 CTL C578 589 c Q501 503 C510 C518 C509 R517 L506 REEL A C HEAD Q502 C500 BACK UP ex denom com 3 27 3 28 ex denom com CIRCUIT DIAGRAMS 1 Power Circuit Diagram D109 C120 are defective No 14VA 12VA are 12VT 1101 ps p 55 8 4 Riot E o gt gt gt t BD101 R104 en 6 7 256 5 WBA 56K 2W 0 010 VT NS gt 59 14VA S1WBA60
117. counterclockwise until the alignment is as and check each operation below Fig C 2 CHECK DIAGRAM Gear Cam Mode SW Gear Cam gt N Chassis Hole Gear Cam Hole Gear Drive Hole TOP VIEW 4 13 ex denom com ex denom com DECK MECHANISM ADJUSTMENT 2 Preparation for Adjustment To set the over the holes of the End Sensors at the both sides Deck Mechanism of the loading state the Chassis to prevent a light leak without inserting a cassette tape Then the Deck Mechanism drives to the Stop Mode 1 Unplug the power cord from the AC outlet In this case the Deck Mechanism can accept inputs of 2 Disassemble the Top Cover and Plate Assembly Top each mode however the Rewind and Review operation 3 Plug the power cord into the AC outlet can not be performed for more than a few seconds 4 Turn the power S W on and push the Lever Stopper of because the Take up Reel Table is in the Stop State the Holder Assembly CST to the back for loading the and can not be detected the Reel Pulses 3 Checking Torque Purpose To insure smooth transport of the tape during each mode of operation If the tape transport is abnormal then check the torque as indicated by the chart below e Torque Gauge 600g cm ATG Play FF or Review REW Mode Perform each Deck Mechanism mode witho
118. cuit Diagram ex denom com LOCATION GUI 701 N5 358 VPS Y out 4 93 7 5 C7V4 R7V4 7 6 C704 1u 50V 0 047u T 560K 58 560 2 C705 TUNER BLOCK 0707 Kou ROE We C709 13 TU 701 C710 7 17 1 C711 N7 141 100UH K035 C705 000 C712 N3 C713 20 1 1702 704 4 C714 N9 vi x 7 2 47u 16V 2053 41 5 4 1 EH 52 10 C753 F2 3 0 2 49 06 MODA m 2 Ain 0755 6 T og M W MOD Ra C7M3 27 R C756 K5 5 4 14 a 8 DATA SETON 250 4 3 SDA E FROM 5 2 5 T C758 POWER 5 2VT 43 144 DATA SYNC R7V7 1705 1 474 16 c C759 E6 144 Ly ATK 100uH KO35 C760 5 2V D SLICER 5 2 ARN 4 MB C761 06 VPS BLOCK C714 j C764 06 5 C765 C6 9 L 33VT 59 CLK 5 SCL C766 E4 SDA5650 J RNS C7M4 769 E4 BUS TIMING INTERFACE MIN 8 ES
119. e Adjustment Hole Fixed Screw Azimuth Adjustment Screw A OSCILLOSCOPE Connection Diagram RF ENVELOPE OUTPUT TEST POINT CH2 HEAD SWITCHING OUTPUT TEST POINT ex denom com ex denom com DECK MECHANISM ADJUSTMENT 7 Adjustment after Replacing Drum Assembly Video Heads Purpose To correct for shift in the Roller Guide and X value after replacing the Drum Test Conditions Oscilloscope CH 1 PB RF Envelope Play the Blank Tape Guide Roller Precise Alignment Tapes CH 2 NTSC SW 30Hz Play an Alignment Tape Adjustment Blank PAL SW 25Hz Switching Point e Post Height Adjusting Driver Head Switching Output Tracking Preset Screw Driver Type 5mm Test Point X Value RF Envelope Output Test Point Checking Adjustment Procedure Connection Diagram OSCILLOSCOPE Play a blank tape and check for tape curling or creasing around the Roller Guide If there is a problem then follow the procedure RF ENVELOPE OUTPUT TEST POINT 4 Guide Roller Height and 5 Audio Control A C Head 1 2 Adjustment HEAD SWITCHING OUTPUT TEST POINT Waveform V1 V lt 0 7 V2 V lt 0 8 RF ENVELOPE OUTPUT 8 Check the Tape Travel after Reassembling Deck Assembly 8 1 Checking Audio and RF Locking Time during playback and after CUE or REV FF REW Test Equipment Fixture Specification Connection Points
120. e Roller to be guided to the guide line of the Lower Drum from the starting and end ing point of the Drum 4 2 Precise Adjustment Play or Review Mode Guide Roller Height Adjustment screws on the Supply and Take Up Guide Rollers ADJUSTMENT DIAGRAM Guide Roller Height Adjustment screw Upper Flange Guide Roller Retaining Screw Fig C 4 1 Test Equipment Fixture Test Equipment Connection Points Test Conditions VCR VCP State Adjustment Point Oscilloscope Alignment Post Height Adjusting Driver CH 1 PB RF Envelope CH 2 NTSC SW 30Hz PAL SW 25Hz Head Switching Output Point RF Envelope Output Point Adjustment Procedure 1 Play an Alignment Tape after connecting the probe of the Oscilloscope to the RF Envelope Output Test Point and Head Switching Output Test Point 2 Tracking Control in PB Mode Center Position When this adjustment is performed after the Drum Assembly has been replaced set the Tracking Control so that the RF Output is Maximum 3 Height Adjustment Screw Flatten the RF waveform Fig C 4 2 4 Turn Move the Tracking Control in PB Mode clockwise and counterclockwise Fig C 4 3 5 Check that any drop of RF Output is uniform at the start and end of the waveform NOTE If the adjustment is excessive or insufficient the tape will jam or fold 4 15 Play an Alignment Guide Roller Height Adjustment Screws Wavef
121. e Slider ex denom com ex denom com MAINTENANCE INSPECTION PROCEDURE Lever F R Base Tension GEAR AY P2 amp P3 Lever G 754 Yellow G 754 Yellow KY Clutch G 754 Yellow Arm Tension Guide Hole F 4 22 ex denom com ex denom com MECHANISM TROUBLESHOOTING GUIDE 1 Deck Mechanism A Auto REW doesn t work YES Is the output of END sensor of supply side H H more than 3 5V L less than 0 7V 1V NO YES Is the Vcc voltage of End NO Check th sensor 5V eck the syscon power YES Replace the End sensor NO Is the voltage across IR LED Repl the IR LED Check the syscon circuit B No F R modes YES Is the present mode NO Is the mode SW assembled F R Mode correctly refer to page 4 13 YES Is the normal voltage supplied to Does the Capstan Motor rotate the Capstan Motor 1 2 YES YES Do the T Up Supply Reel Does terminal voltage Vctl of NO Capstan Motor supply side more check ihe seryoy power than 4V circuits YES ves Check the syscon circuit Replace the Capstan Motor 4 23 ex denom com ex denom com MECHANISM TROUBLESHOOTING GUIDE AUTO STOP PLAY CUE REV Check alignment positions page 4 13 NO In Play Cue Rev Is the Pinch Roller in contact with the Capstan Shaft Is the output of DFG DP
122. e cassette insert YES Does the Opener Lid work YES NO Does the Gear Assembly Rack F L work NO Replace the Opener Lid Replace the Gear Rack F L Does the Opener Door work YES NO Check the opener Door assembled correctly Does the Arm Assembly F L work YES NO Does the L D Motor work Replace the Arm Assembly F L YES NO Does the Holder Assembly Cassette move the Arm Assembly F L Check the power of L D Motor YES NO Replace the Front Loading Check the Holder Assembly Cassette Mechanism Assembly assembled correctly 4 27 ex denom com ex denom com EXPLODED VIEWS 1 Front Loading Mechanism Section ex denom com 4 28 ex denom com EXPLODED VIEWS 2 Moving Mechanism Section 1 OPTIONAL PART 4 29 ex denom com ex denom com EXPLODED VIEWS 3 Moving Mechanism Section 2 OPTIONAL PART 4 30 ex denom com ex denom com MEMO ex denom com ex denom com NOTES Warning Parts that are shaded are critical SECTION 5 REPLACEMENT PARTS LIST With respect to risk of fire or electricial shock MODELS A FC230Y B FC431Y C FD240Y D FD941NY E FC290Y
123. eassembling Deck Mechanism 4 18 8 1 Checking Audio and RF Locking Time during Playback after CUE or REV 4 18 8 2 Checking for Tape Curling or JAMMING ud 4 18 MAINTENANCE INSPECTION PROCEDURE 1 Check before starting Repairs 4 19 2 Required Maintenance 4 20 Scheduled Maintenance 4 20 4 Supplies Required for Inspection and Maintenance pp 4 20 5 Maintenance Procedure 4 20 5 1 Cleaning 4 20 5 2 CI MP 4 21 MECHANISM TROUBLESHOOTING GUIDE 1 Deck Mechanism 4 23 2 Front Loading Mechanism 4 26 EXPLODED VIEWS 1 Front Loading Mechanism Section 4 28 2 Moving Mechanism Section 1 4 29 3 Moving Mechanism Section 2 4 30 ex denom com ex denom com DECK MECHANISM PARTS LOCATIONS Top View Procedure Starting No Drum Assembly Fig Fixing Type 3 Screw Plate Top 2 Hook Holder Assembly CST Chassis Hole Opener Door Chassis Hole Bracket Assembly L D Motor 3 Hook Gear Assembly Rack F L 1 Hook Chassis Hole 2 Arm Assembly F L Chassis Hole Lever Assembly S W 1 Hook Arm Assembly Cleaner Chassis Embossing Head F E Chassis Embossing Base Assembly A C Head 1 Screw
124. eck the oscillator of IC751 Pins 5 6 Replace X751 YES Check the IIC Clock and Data at Check the Audio of IC751 Pins 30 31 IC751 Pins 12 13 YES Check the signal flow from IC751 Check the Audio of IC801 Pins 2 3 Pins 30 31 to IC801 Pins 2 3 YES NO Check the Clock and Data at Check the Audio of IC801 Pins 18 19 IC801 Pins 42 43 YES Check the signal flow from IC801 pins 18 19 to JK901 Pins 1 3 3 18 ex denom com ex denom com 6 Hi Fi Circuit Hi Fi Model Hi Fi Playback Check the Vcc of IC801 Pins 34 40 Y Check the Hi Fi Selection Switch and the Tape quality YES Is the RF Envelope at 801 Pin 44 over 2Vp p YES Check IC801 Pin 42 Data Pin 43 Clock YES NO Is Head switching signal IC802 Pin 41 YES Check the connection at P3D01 if good then Replace 1 801 NO Do Audio signals appear at IC801 Pin 16 L CH 17 R CH Y Check Ports of NO YES Check the Signal path of Audio Output Y Replace IC801 3 19 ex denom com NO Check power Check IC501 Pin 23 Audio head switch 25 ex denom com Hi Fi REC It is impossible to record and playback Hi Fi Audio signal YES Check Vcc of IC801 Pins 34 40 YES Check IC801 Pin 42 Data Pin 43 CLOCK Check Power Check ports of u COM YES Do Audio signals appear at IC801 Pins 16 17 YES Do FM Audio si
125. emocon again 2 nd or press REC key set and CLEAR key Remocon again Then check the blink PG NG gt PG on CLK LED Check the PG a Connect the CH1 of the oscilloscope to the H SW and CH2 to the Video out for the VCR b Trigger the mixed Video Signal of CH2 to the CH1 H SW W501 W502 and then check the distance time difference which is from the selected A B Head point of the H SW W501 W502 signal to the starting point of the vertical synchronized signal to 6 5H 0 5 416 5 1H 64 0ps CONNECTION OSCILLOSCOPE gt H SW W501 W502 H SW V out W501 W502 3 2 ex denom com ex denom com ELECTRICAL ADJUSTMENT PROCEDURES WAVEFORM H SW 6 5H 416us Composite VIDEO Attension and Reference a The PG checking must do when RF Level is Maximum and SERVO system is Locking MTR MODE b V H SW Level is 2Vpp 3 3 ex denom com ex denom com ELECTRICAL TROUBLESHOOTING GUIDE 1 Power Circuit SMPS 1 No 5 3VA No 5 3VA YES YES YES YES NO Is Vcc about 13 15V permittable at the the IC101 Pin 7 IC101 Pin 32 YES NO Replace the D106 Replace the F101 Use the same Fuse Replace the BD101 Replace the R101 v YES YES YES 3 4 ex denom com ex denom com 2 No 12VA Capstan No 12VA YES YES YES Check 12VA Line of the Main PCB short 3 No 12V
126. er is applied to the chassis or circuit and observe all other safety precautions 8 Minimize bodily motions when handling unpackaged replacement ES devices Normally harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static elec tricity sufficient to damage an ES device 1 3 ex denom com ex denom com PROPOSAL FOR APPLYING SHORT PROTECTION e The Contents of Examination As all the IC that is applied to VCR is controlled by IIC mutual communication if Vcc of IC is short or open with detecting Acknowledge data of the specific IC according to each power 5V 5VT gets unable to detect data regards this case as abnormal one and if it can t detect ACK data for a certain time 3 5 sec the sig nal of Power Control and Timer Control are switched to Low As a result POWER Switching TR is kept from generating heat and fire Conception BLOCK Diagram TIMER CONTROL SLAVE with 5V MASTER SLAVE with 5V POWER CONTROL POWER for each IC 5 2V 5 3VA 5 2VT Modulator me 5 3VA AVCP IC Hi Fi IC TUNER NICAM IC SECAM IC Power Control Timer Control IC to detect ACK data is selected as below because IC is different in accordance to region and option S 5V POWER SECAM IC Series POWER AVCP IC
127. ex denom com ex denom com AL LOCA NO PART NO LG A B C D E F G H DESCRIPTION SPECIFICATION REMARKS 280 37208 188 PANEL VIDEO FRONT ED280P NA3GLL NSP 280 3720 216 PANEL VIDEO F188 FRONT ED981NY NASHLL NSP 280 3720R F228A PANEL VIDEO FRONT FC999NI EVENT NSP 280 3720R F228V PANEL VIDEO VCR FC290Y NASHLL MOLD NSP 280 3720 246 PANEL VIDEO VCR FC491Y NASHLL MOLD ADD 4HD NSP 283 _ 3580R V026L 0000 DOOR CASE VCR EC291P CST NASILL ABS HF 283 _ 35808 4 O DOOR CASE CST VCR FC99 LG BADGE 284 442 681 SPRING DOOR 284 442 681 5 DOOR A 300 6410RCHPO2B 0 0 0 0 0 0 0 CORD HIT 102 HOVHH2 F WITH CORE HI 320 _ 37208 020 PANEL VCR DISTRIBUTOR PAL 1SCART 320 37208 0020 PANEL DISTRIBUTOR PAL SCART MONO 320 37208 0020 PANEL VCR DISTRIBUTOR PAL 2SCART 330 35508 0210 0 BOTTOM LARGE SCREW 452 353 051 O O O O O SCREW SPECIAL 457 353 051 SPECIAL 3 12 462 1353 1360 O O O O SCREW DRAWING 2 04 0 112 5 MSWR3 FN 517 MWZZR 0004D O WASHER STOPPER 518 1WZZR 0004A O WASHER STOPPER
128. for Inspection and Maintence 1 Grease Kanto G 311G Blue or equivalent 2 Isopropyl Alcohol or equivalent 3 Cleaning Patches 4 Grease Kanto G 381 Yellow 5 Maintenance Procedure 5 1 Cleaning 1 Cleaning video head First use a cleaning tape If the dirt on the head is too stubborn to remove by tape use the cleaning patch Coat the cleaning patch with Isopropyl Alcohol Touch the cleaning patch to the head tip and gently turn the head rotating cylinder right and left Do not move the cleaning patch vertically Make sure that only the buckskin on the cleaning patch comes into contact with the head Otherwise the head may be dam aged Thoroughly dry the head Then run the test tape If Iso propyl Alcohol remains on the video head the tape may be damaged when it comes into contact with the head surface 2 Clean the tape transport system and drive system etc by wiping with a cleaning patch wetted with Isopropyl Alcohol NOTES 1 It is the tape transport system which comes into contact with the running tape The drive system consists of those parts which moves the tape 2 Make sure that during cleaning you do not touch the tape transport system with excessive force that would cause deformation or damage to the system Drum Rotating Cylinder Touch this section of cleaning patch to the head tip and gently turn the Drum Rotating Cylinder Fig C 9 4 4 20 ex denom com ex denom com
129. gnals appear at IC801 Check Audio input signal of IC801 Pin 36 Pins 2 3 TU A 6 7 Scart 1 YES Check the Contact Points of Drum Connector if good then Replace the Drum Replace 1 801 3 20 ex denom com ex denom com BLOCK DIAGRAMS 1 Power Block Diagram T101 TRANSFORMER SNUBBER 5 7 RECTIFIER 777207 Canal 4e 2109 120 L104 C121 8 RECTIFIER 0161 pvo 0110 123 24 S W Q159 R166 R167 TO CAPSTAN M 24 12VA DRIVE amp S W BLOCK D155 OVER CURRENT LIMIT BLOCK TO DRUM RECTIFIER 10 SMOOTHING 0106 C116 L103 C117 TO 11 0 SYS 2 548 8 SMOOTHING D105 C115 BLOCK 5VT SW OAV 1 0154 157 BLOCK 5V S W 4 FEED BACK R158 R155 Q152 R153 BLOCK R154 D156 BLOCK Sensor R116 R117 R118 0151 151 SECAM R152 SV R119 R120 R121 N C114 CIRCUIT BLOCK D102 R104 C105 C106 LINE FILTER BLOCK IC101 R109 C135 0103 C101 L102 R103 C109 R125 R126 C102 2 2 TO DRUM TO TUE 0162 R161 0163 TIMER 00 11 30 NOTES Symbol denotes AC ground 77 Symbol denotes DC chassis ground 3 21 3 22 ex denom com 3 VPS Block Diagram 2 NICAM amp A2 Block Diagram LOZNL
130. hen check the blink PG NG gt PG OK on OPTION2 00000000 CLK LED OPTIONS 00000000 EEPROM INITIAL OPTION4 00000000 SETUP is displayed in the field if pressing the FRONT OPTIONS 00000000 REC KEY with the remocon number CLEAR key 6 00000000 pressed in the status of powering Off AUTO SEARCH is done since the initial screen of ACMS LV2288 OPTION1 00000000 is serviced if powering On OPTION2 00000000 Check basic operation OPTION3 00000000 OPTION4 00000000 OPTIONS 00000000 OPTION6 00000000 LV2788 OPTION1 00000000 LV3798 OPTION1 3C 00000000 OPTION2 00000000 OPTION2 CA 00000000 OPTION3 00000000 OPTION3 80 00000000 OPTION4 00000000 OPTION4 F7 00000000 OPTIONS 00000000 OPTIONS 00 00000000 OPTION6 00000000 OPTION6 32 00000000 LV3398 OPTION1 00000000 OPTION2 00000000 OPTION3 00000000 OPTION4 00000000 OPTIONS 00000000 OPTION6 00000000 LV3598 OPTION1 00000000 OPTION2 00000000 OPTION3 00000000 WR 1 EXIT MOVE 4 gt OPTION4 00000000 EDIT AV OPTIONS 00000000 OPTIONG 00000000 LV3799 OPTION1 00000000 2 00000000 OPTION3 88 00000000 OPTION4 F7 00000000 5 00 00000000 OPTION6 32 00000000 1 6 ex denom com Power Power consumption Video Head system Tape speed Tape format Maximum recording time Rewind time Dimensions W X H X D Weight Operating temperature Operating humidity Timer Vide
131. in 12 for shorts YES Do DFG Pulses appear at IC501 Pin 104 YES NO Do DFG Pulses appear at PMDO1 Pin 3 NO Does the Drum PWM waveform appear at IC501 Pin 107 YES Check Drum Monitor Ass y Y Check the Components and foil pattern between 1 Pin 11 and IC501 Pin 104 for shorts Check the Components and foil Pattern Connected to IC501 Pin 107 PMCO1 Pin 12 for shorts 3 8 Y Replace IC501 ex denom com ex denom com Capstan Motor Stopped Does 13VA appear at PMCO1 Pin 2 YES NO Does 2 8V appear at Pin 9 YES NO Check Power Check Connector and Capstan Motor Ass y Does PWM wave appear at IC501 Pin 108 v YES Check the Components and foil Patterns Connected between IC501 Pin 108 and PMCO1 Pin 9 for shorts Does the CFG signal appear at PMCO1 NO YES Does the CFG signal appear at IC501 Pin 9 YES Check Capstan Motor Ass y Does Capstan PWM appear at IC501 Pin 108 YES NO Check Components and foil patterns between PMCO1 Pin 7 and IC501 Pin 9 for shorts Check the components and foil pattern connected between IC501 Pin 108 and PMCO 1 Pin 9 for shorts 3 9 Replace IC501 ex denom com ex denom com 3 System amp Front Panel Circuit A Does SW30 waveform appear at IC501 Pin 105 YES NO Y appear at IC501 Pin 49 Signal YES
132. ion 2 3 SECTION 3 ELECTRICAL ELECTRICAL ADJUSTMENT POINTS ARRANGEMENT 3 1 ELECTRICAL ADJUSTMENT PROCEDURES 3 2 1 Servo Circuit gt sores sartei ak deden XH 3 2 ELECTRICAL TROUBLESHOOTING 3 4 1 Power Circuit SMPS 3 4 2 Servo Circuit 3 7 3 System amp Front Panel 3 10 4 Circuit acc en IY Ex RR ee 3 12 5 Tuner IF Circuit 3 16 Het oes a ien 3 19 BLOCK DIAGRAMS 3 21 1 Power Block Diagram 3 21 2 Tuner IF NICAM amp A2 Block Diagram 3 23 3 VPS Block 3 24 4 Y C Block Diagram 3 25 5 Hi Fi Block Diagram 3 26 6 System Block Diagram 3 27 CIRCUIT DIAGRAMS 3 29 1 Power Circuit Diagram 3 29 2 Tuner NICAM A2 Circuit Diagram 3 31 3 A V SECAM VPS Circuit Diagram 3 33 4 System Circuit Diagram 3 36 5 Hi Fi SCART Circuit Diagram 3 39 e CIRCUIT VOLTAGE CHART 3 41 PRINTED CIRCUIT BOARD DIAGRAMS 3 45 1 MAIN P C Board 3 45 2 KEY LEFT PC Board 3 47 SECTION 4 MECHANISM NOTE The table of contents for this section is edited sepa
133. mp MAIN CHASSIS SERVICE METHOD Electrical Part 1 Re assembly Flow for service like Fig 2 1 Timer C B A Housing amp Deck Assembly 2 To check and replace Electrical parts Re assemble the unit according to No 1 Re assembly Flow 2 Place the unit like Fig 2 1 Check and replace Electrical parts NOTE Insert Video Cassette Tape inversely like Fig 2 1 to check and replace defective parts In disassembling and reassembling be careful not to damaged CST switch Positioned Upside Down Main C B A Cassette Tape Upside Down Housing amp Deck Ass y Timer C B A Fig 2 1 2 1 ex denom com ex denom com EXPLODED VIEWS 1 Cabinet and Main Frame Section NOTE Refer to SECTION 5 REPLACEMENT PARTS LIST in order to look for the part number of each part OPTIONAL PARTS 2 2 ex denom com ex denom com 2 Packing Accessory Section NOTE Refer to SECTION REPLACEMENT PARTS LIST in order to look for the part number of each part OPTIONAL PARTS CABLE COAXIAL Optional parts 51 CABLE ASS Y R F PLUG ASS Y 1WAY Optional parts Optional parts 812 PLUG ASS Y 2WAY BATTERY PACKING LF BOX CARTON 2 3 ex denom com ex denom com SECTION 3 ELECTRICAL
134. nal applied to the IC301 Pins 68 69 YES Check the System Circuit Refer to SYSTEM BUS CHECK Trouble Shooting Does the Video signal NO appear at the IC301 Pin 65 YES Chck the path of the signal Dos between the IC301 Pin 5 Check C316 AGC appear at the IC501 Pin 19 and IC501 Pin 17 YES Does the Video signal appear at the Emitter termi nal of the Q307 Q308 Does the 12VT 5 4VA appear at the Emitter termi nal of the Q307 Q308 YES Replace the Q307 Q308 YES Replace the IC301 Check the 12VT 5 4VA Line Power Circuit 3 12 ex denom com ex denom com 2 When the Y Luminance signal doesn t appear on the screen in PB Mode Is 5 2VT 5 4VA applied to the IC301 Pins 24 42 55 72 91 NO Check the line of the 5 2V Line Power Circuit 5 Is the Bus siganl applied to the IC301 Pins 68 69 YES Does the normal RF signal NO appear at the IC301 Pin 78 YE Refer to SYSTEM BUS CHECK Trouble Shooting Is the V H S W signal applied to the IC301 Pin 70 Check the System Circuit IC501 Pin 105 Check the V H S W level Check R303 R304 NO Clean the Drum Replace the IC301 Does the Y Luminance RF Check the path of the YES signal appear at the IC301 Y Luminance RF signal Pin 76 Check the C312 YES Is V H S W H about 3 4V NO at the IC301
135. ner cotton tipped swab or comparable soft applicator Unless specified otherwise in this service data lubrication of contacts is not required 4 Do not defeat any plug socket B voltage interlocks with whitch instruments covered by this service manual might be equipped 5 Do not apply AC power to this VCR and or any of its electrical assemblies unless all solid state device heat sinks are cerrectly installed 6 Always connect test instrument ground lead to the appropriate ground before connection the test instrument positive lead Always remove the test instrument ground lead last Insulation Checking Procedure Disconnect the attachment plug from the AC outlet and turn the power on Connect an insulation resistance meter 500V to the blades of the attachment plug The insulation resis tance between each blade of the attachment plug and acces sible conductive parts Note 1 should be more than 1M ohm Note 1 Accessible Conductive Parts including Metal pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by sta
136. o Television system Recording format Input level Output level Signal to noise ratio Audio Input level Output level Audio track Audio signal to noise ratio Audio dynamic range ex denom com SPECIFICATIONS 110 240V 50 60Hz Approx 12 watts Energy Saving mode 3 watts Rotary 2heads helical scanning system 2HD MODEL Double azimuth 4 heads helical scanning system 4HD Mono 4HD Hi Fi Model 23 39 mm sec SP mode 11 69 mm sec LP mode Tape width 1 2 12 7 mm high density VHS tape 4 hours in SP mode 8 hours in LP mode with E 240 tape Approx 150 sec with E 180 tape 360 x 94 5 x 270 mm 9 0 Ibs 4 0 kg 41 F 95 F 5 C 35 C Less than 80 24 hours display type CCIR standard 625 lines 50 fields PAL SECAM colour signal PAL B G SECAM D K VIDEO IN SCART RCA type 1 0 Vp p 75 ohm unbalanced VIDEO OUT SCART type 1 0 Vp p 75 ohm unbalanced More than 43 dBm AUDIO IN SCART RCA type Scart type 6 0dBm more than 10kQ RCA type 6 0 dBm more than 47kQ AUDIO OUT SCART RCA type Scart type 6 0dBm less than 1kQ RCA type 6 0 dBm less than 1kQ Mono track amp Hi Fi track Normal More than 70 dBm JIS A filter Hi Fi audio More than 85 dBm JIS A filter Design and specifications are subject to change without notice Hi Fi Model only 1 7 ex denom com ex denom com SECTION 2 CABINET a
137. orm Diagrams P2 POST ADJUSTMENT Tn Turn the Roller Guide Height Adjustment Screw slightly to flatten the waveform Fig C 4 2 NS Turn Move the Tracking Control to both directions Fig C 4 3 P3 POST ADJUSTMENT Tracking Control at center Connection Diagram OSCILLOSCOPE RF ENVELOPE OUTPUT TEST POINT HEAD SWITCHING OUTPUT TEST POINT ex denom com ex denom com DECK MECHANISM ADJUSTMENT 5 Audio Control A C Head Adjustment Purpose To insure that the tape passes accurately over the Audio and Control Tracks in exact alignment of the both Record and Playback Modes 5 1 Preliminary Adjustment Height and Tilt Adjustment Perform the Preliminary Adjustment when there is no Audio Output Signal with the Alignment Tape Test Equipment Fixture Test Conditions Mechanism Condition Adjustment Point Blank Screw Driver 5 Adjustment Procedure Diagrams 1 Initially adjust the Base Assembly A C Head as shown Fig C 5 1 by using the Height Adjustment Screw B 2 Play a blank tape and observe if the tape passes accu rately over the A C Head without tape curling or folding 3 If folding or curling is occured then adjust the Tilt Adjustment Screw C while the tape is running to resem ble Fig C 5 3 A C Head Base Fig C 5 1 X Value Adjustment Hole Fixed Screw Azimuth Adjustment Screw A Tilt Adjustment Screw C
138. pear at the IC301 Check the System of REC H the IC501 Pin 47 the D301 Replace the IC301 Pins 88 89 94 95 Check the circuit of the YES C301 Pins 85 86 YES Check the Drum amp Drum Connector 3 15 ex denom com ex denom com 5 Tuner IF circuit 1 No picture on the TV screen No picture on the TV screen YES Does the Video signal at NO Is 30VT applied to NO the TU701 Pin24 TU701 Pin 16 YES Is 5VT applied to TU701 Pin 13 YES Does the Clock signal appear at TU701 Pin 11 YES Does the data signal appear at TU701 Pin 12 YES Replace Tuner Check 5VT line Check the liC Clock signal of com Pin 59 Check the liC Data signal of Pin 60 Does Sync appear at from TU701 Pin 24 t In 1 1 301 Pin 67 YES Check the signal flow from 501 Pin19 to JK901 Pin19 3 16 ex denom com ex denom com 2 No sound Mono Model Check 5VT power YES Check the Vcc of IC301 Pin 18 YES Chekc the signal flow from TU701 Pin21 to IC301 Pin 13 at IC301 Pin 13 YES YES Check the signal flow from IC301 pin 11 to IC901 Pin 6 Replace IC301 3 17 ex denom com ex denom com 3 No sound Hi Fi Model YES Check the Vcc of IC751 Pins 1 19 33 Check 5V power YES Check the Tuner SiF signal at IC751 Pin 2 Check the Tuner Audio of TU701 Pin 21 YES NO Ch
139. r component should touch a high current device or a resistor rated at 1 watt or more Lead tension around protruding metal surfaces must be avoided 6 After reassembly of the set always perform an AC leakage test on all exposed metallic parts of the cabinet the channel selector knobs antenna terminals handle and screws to be sure that set is safe to operate without danger of electrical shock DO NOT USE A LINE ISOLATION TRANS FORMER DURING THIS TEST Use an AC voltmeter having 5000 ohms per volt or more sensitivity in the following manner Connect a 1500 ohm 10 watt resistor paralleled by a 15 mfd 150V AC type capacitor between a known good earth ground water pipe conduit etc and the exposed metal lic parts one at a time Measure the AC voltage across the combination of 1500 ohm resistor and 15 mfd capacitor Reverse the AC plug by using a non polarized adaptor and repeat AC voltage measurements for each exposed metallic part Voltage measured must not exceed 0 75 volts RMS This corresponds to 0 5 milliamp AC Any value exceeding this limit consti tutes a potential shock hazard and must be corrected immediately A C Voltmeter 0 15uF Good Earth Ground Place this probe such as the Water t on each exposed Pipe Conduit etc 1500 OHM metal part 10 WATT X RADIATION 1 Be sure procedures and instructions to all service personnel cover the sub ject of x radiation The only potential source of x rays in
140. rately SECTION 5 REPLACEMENT PARTS LIST Mechanical Section 5 1 Electrical Section ex denom com ex denom com SECTION1 SUMMARY KEY TO ABBREVIATIONS A AC Alternating Current LPF Low Pass Filter ACC Automatic Color Control M MAX Maximum ACSS Automatic Channel Setting System MD Modulator ADJ Adjust MECHA CTL _ Mechanism Control AE Audio Erase MIC Microphone AFC Automatic Frequency Control MIN Minimum AFT Au omatic Fine Tuning MIX Mixer Mixing AGC Automatic Gain Control M M Monostable Multivibrator AH SW Audio Head Switch MMV Mono Multi Vibrator ALC Automatic Level Control MOD Modulation Modulator AM Amplitude Modulation MODEM Modulator Demodulator ANT 7 Multiplex Antenna Automatic Phase Control N NR Noise Reduction ASS Y Assembly OSC Oscillator AUX Auxiliary OSD On Screen Display B B Playback BGP Burst Gate Pulse PCB Printed Circuit Board BPF Bandpass Filter P CTL Power Control BS Brodcasting Satellite PRE AMP Preamplifier BW B W _ Black and White P F Power Failure Chroma Collector PG Pulse Generator CAN Cancel PLL Phase Locked Loop CAP Capstan PREM DET Premire Detect CAP BRK Capstan Brake Peak to Peak CAP RVS Capstan Reverse PS Shift CATV Cable
141. ted dangerous voltage that may be of sufficient magni tude to constitute a risk of electric shock The pictorial representation of a fuse and its rating within an equi lateral triangle is intended to convey to the service personnel the following fuse replacement caution notice CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ALL FUSES WITH THE SAME TYPE AND EX RATING AS FUSE SERVICE INFORMATION While servicing use an isolation transformer for protection from AC line shock After the original service problem has been corrected make a check of the fol lowing FIRE AND SHOCK HAZARD 1 Be sure that all components are positioned to avoid a possibility of adjacent component shorts This is especially important on items trans ported to and from the repair shop 2 Verify that all protective devices such as insulators barriers covers shields strain reliefs power supply cords and other hardware have been reinstalled per the original design Be sure that the safety purpose of the polarized line plug has not been defeated 3 Soldering must be inspected to discover possible cold solder joints solder splashes or sharp solder points Be certain to remove all loose foreign par ticles 4 Check for physical evidence of damage or deterioration to parts and compo nents for frayed leads or damaged insulation including the AC cord and replace if necessary 5 No lead o
142. the left side of it first through the D position of the Chassis Holder assembly CST Chassis 2 Disassemble the right side of the Holder Assembly CST from each guided hole of the Chassis NOTE When reassembling insert the E part of the Holder Assembly CST in the E hole of the Chassis first and assemble the left side of it 4 Opener Door Figure A 2 3 1 Turn the Opener Door clockwise and remove it through the guide hole of the Chassis 5 Bracket Assembly L D Motor Fig A 2 4 1 Unplug the Connector C1 ex denom 2 Unhook three Hooks H3 H4 H5 on bottom side of the Chassis lift up the Bracket Assembly L M and disassem ble the Bracket Assembly L D Motor 6 Gear Assembly Rack F L Fig A 2 5 1 Move the Gear Assembly Rack F L in direction of arrow A and unhook the Hook H6 pulling back in front 2 Separate the Gear Rack F L in direction of arrow B NOTE When reassembling align the gear part of the Gear Assembly Rack F L with the Gear Drive as below Fig Gear Rack F L Gear Drive 7 Arm Assembly F L Fig A 2 6 1 Move the Arm Assembly F L in direction of arrow and separate the left side of it first 2 Disassemble the Arm Assembly F L from each guided hole of the Chassis 8 Lever Assembly S W Fig A 2 7 1 Unhook the Hook H8 in the left side of the Chassis and remove the Lever Assembly S W Chassis
143. tic electricity 1 Immediately before handling any semiconductor compo nent or semiconductor equipped assembly drain off any electrostatic charge on your body by touching a known earth ground Alternatively obtain and wear a commer cially available discharging wrist strap device which should be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a GROUNDED tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified a anti static can generate electrical charges sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charge sufficient to damage ES devices 6 Do not remove a replacement ES device from its protec tive package until immediately before you are ready to install it Most replacement ES devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive material 7 Immediately before removing the protective material from the leads of a replacement ES device touch the protective material to the chassis or circuit assembly into which the device will be installed Caution Be sure no pow
144. ut Torque Gauge Adaptor inserting a cassette tape Refer to above No 2 Cassette Torque Meter Preparation for Adjustment SRK VHT 303 Read the measurement of the Take up or Supply Reels on the Cassette Torque Meter Fig C 3 2 Attach the Torque Gauge Adaptor to the Torque Gauge and then read the value of it Fig C 3 1 wows hever NOTE NOTE The values are measured by using a Torque Gauge and The torque reading to measure occurs when the tape Torque Gauge Adaptor with the Torque Gauge affixed abruptly changes direction from Fast Forward to Rewind Mode when quick braking is applied to both Reels Torque Gauge 600g cm ATG Cassette Torque Meter SRK VHT 303 Torque Gauge Torque Gauge Adaptor Reel Table 4 14 ex denom com ex denom com DECK MECHANISM ADJUSTMENT 4 Guide Roller Height Adjustment Purpose To regulate the height of the tape so that the bottom of the tape runs along the tape guide line on the Lower Drum 4 1 Preliminary Adjustment Test Equipment Fixture Test Conditions Mechanism Condition Adjustment Point Post Height Adjusting Driver Adjustment Procedure 1 Confirm if the tape runs along the tape guide line of the Lower Drum If the tape runs the bottom of the guide line turn the Guide Roller Height Adjustment Screw to clockwise direction If it runs the top turn to counterclockwise direction Adjust the height of the Guid
145. ut permission from LG Electronics Corporation All components should be replaced only with types identical to those in the original circuit and their physical location wiring and lead dress must conform to original layout upon completion of repairs Special components are also used to prevent x radiation shock and fire haz ard These components are indicated by the letter x included in their compo nent designators and are required to maintain safe performance No deviations are allowed without prior approval by LG Electronics Corporation Circuit diagrams may occasionally differ from the actual circuit used This way implementation of the latest safety and performance improvement changes into the set is not delayed until the new service literature is printed CAUTION Do not attempt to modify this product in any way Never perform customized installations without manufacturer s approval Unauthorized modi fications will not only void the warranty but may lead to property damage or user injury Service work should be performed only after you are thoroughly familiar with these safety checks and servicing guidelines GRAPHIC SYMBOLS The exclamation point within an equilateral triangle is intended to alert the service personnel to important safety information in the service literature The lightning flash with arrowhead symbol within an equilateral tri angle is intended to alert the service personnel to the presence of noninsula
146. y Fig A 1 1 Drum FPC 4 1 Drum Assembly Fig 1 1 1 Unplug the Drum FPC Connector 2 Remove three Screws S1 on bottom side and separate the Drum assembly 3 Unhook H1 H2 and separate the Holder FPC and Cap FPC 1 1 Drum Motor 1 Remove two Screws S2 and disassemble the Stator of Tm 1 1 if the Drum Motor 53 2 Remove two Screws S3 and separate the Rotor of the Drum Motor from the Drum Sub assembly Holder FPC NOTE When reassembling confirm A portion of the Drum Sub assembly whether the Carbon Brush is in there or not Figure in the opposite direction 4 2 ex denom com ex denom com DECK MECHANISM DISASSEMBLY Plate Top Fig A 2 1 AE 622 X ANNS 272 J 42 22 PT B T 1 Chassis Gear As Fig A 2 5 Fig A 2 4 3 ex denom com ex denom com DECK MECHANISM DISASSEMBLY 2 Plate Top Fig A 2 1 1 Pull the B portion of the Plate Top back in direction of arrow and separate the right side of it 2 pull the B portion of the Plate Top back in direction of arrow and separate the left side of it Used tools type driver anything tool with sharp point or flat point NOTE 1 When reassembling push the Plate Top after alignment the two position C C as below Fig 3 Holder Assembly CST Fig A 2 2 1 Move the Holder Assembly CST in direction of arrow and separate

deck mechanism disassembly

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