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dc-d30_sm4.46 MB

1. 64414 IE EE FC i M O 5 eH a CY H 2 PHONO v Hg VIDEO E m 70 4 559590555 i i w j P DT TRMIX s s Pri Cc CD L 1 TU L 7 11 RESET 10708 UE 4 KR QOL 1464585 1 o Pe 1 64 65 CN413 VOL UP s VOL DOWN s MB 12V 4 MG D DI 12 CLK 855 2 53 95440 05515 FRONT DISPLAY PCB TO POWER AMPLIFIER PCB CN500 SPEAKER TERMINAL PCB TO POWER C832 is sce LED PCB LCD BACK LIGHT TO POWER AMPLIFIER CN322 R ZLE 4619 Ml 45 ME 5 84536 CMKS 35EHB 1404810820500 7 77 PHONO IN i 5 8 i 123814 TO 9Owz2 amouiries PTB 66 67 HEMATIC DIAGRAM 5 5 8 P
2. MECHANISM 10 SYSCON PCB mme TAPE DECK AMPLIFIER UNIT 2 2 2 ADJUSTMENT OF DECK amp TORQUE 1 Amplifier Adjustment ADJUST DECKA th Adjust 10kHz output become Head Azimuth VT1738 zimu S SOAS JOE USE DECK B Screw maximum SVR30 L ch SVR31 R ch SVR32 L ch DECKA TCC130 DECK B VR33 R ch Rec Play 1kHz TAPE SVR34 L ch Adjust SVR so as Monitor Level DECKA AC224 OFF Level 18dB QUT SVR35 R ch OdB 1dB signal set frequency characteristic Decke SVR36 L ch Pane 280B VR37 R ch 1kHz output to 098 Adjust SVR so as 10kHz output become 1dB Note 1 During alignment measurement Beat cancel SW is at 1 condition fundamentally confirm Rec Play frequency characteristic dolby effect also by 2 condition when ship out set SW to 1 position Playback Level 4 Adjust so as TAPE OUT output become 0 54V Rec Play Frequency v 2 Tape Speed Adjustment Connect the FREQUENCY COUNTER to TAPE OUT 1 Insert the test tape MTT 111N etc 3000Hz into the DECK A 2 Press the FWD PLAY button 3 Adjust SVR001 so that a frequency counter reading of 3000 5 Hz is obtained 4 Press the STOP button and eject the test tape 5 Insert the test tepe TCW 211 etc 1500Hz into the DECK A 6 Insert the tape C 6
3. IC900 903 1780512 5 Terminal Voltage Regulator 1C901 L78M05 3 Termina Voltage Regulator BD B UE 768 20 2 d eau 2 ZZ 5 mA e DISCO VOCAL mm um mm BGM M PRESET M m e DOLBY NR CZ 150 400 1k 24k 6k 15k VOL MUTE pus 1 992 L7812ML 3 Terminal Voltage Regulator CURRENT LIMIT coms coms o 58 59 CHEMATIC DIAGRAM DECK AMPLIFIER eeu s 2 5 5 8 235231325 83554 C3551 99 oe a T 8 18 i IK 83504 C3501 03 05 1 1750 03 51 3 mL CN373 73 13 0 R 6 o 9 o chr LETS A 470P 3 3aH ROSE o We L3551 3801 03830 51065464 83
4. BLOCK DIAGRAM 1C101 149210 Servo Signal Processor Eng EA er IV Convert Input from Photo Diode E IV Convert Input from Photo diode Converter Input 0 converter Tracking Error Amplifier Output 8 VREF2 1 Reference Voltage 2 _ EE Reference Voltage 3 No Pitt 170 FUNCTION far Nc Non Connection Input of Track Jump Pulse Amplifier 43 Input of Track Jump Pulse aa Hold of Output Voltage of Tracking Serv Tracking Gain Low 46 Input For the Tracking Servo 47 TES O Tracking Error Signal O Detect Track Signal 49 FD o Detect 5 Carve of Focus Error Signal rest 1 testinpt 50 1 input For the Focus Servo 1 arse Input of Anti shock Detect Amplifier 51 1 Input of CLV Error Amplifier 12 I Input of Anti Shock Detect Amplifier 52 I Input of CLV Error Amplifier 13 1 Input of Tracking Pulse Amplifier 53 sico o Slice Level Control Amplifier Output TPA 1 Input of Tracking Pulse Amplifier Emo Signal ifi 1 EPVO RP Signal OFS vop
5. Tracking Servo Hold Switch Input of VCO Control Amplifier Add the Track Jump Pulse 8 Poo 1 Input of VCO Control Amplifier Track Jump Pulse Amplifier Output 1 VCO Control Amplifier Output input for Sled Servo Equalizer VCOO O Output Tracking Actuator Coil Driver Output LF1 B Input of Low Pass Filter Focus Actuator Coil Driver Output i Input tor Focus Actuator Coil Driver LASER Laser Control Signal Focus Servo Switch 66 60 1 Select of DSP LC7866 LC7860 Non Connection Nc Non Connection Focus Error Amplifier Output Input Defect Pulse width Control Input of Focus Error Amplifier DF1 Input for Defect width Control Input of Focus Actuator Coil Driver Defect Detect Timing CLV Error Amplifier Output Track Detect Timing Input for Spindle Motor Driver PH Focus Detect Timing Spindle Motor Driver Output GND Ground 5V RF SUM RF SUM Amplifier Output Sled Motor Driver Output 5 Converter Output Input of Sled Motor Driver ipo O Laser Diode ON Input of Sled Motor Driver s MB input of Auto Laser Power Control 5V LDC Input of Auto Laser Power Control Sled Servo Switch VDD 1 5V Defect Signal Output Find l IV Convert Input From Photo Diode A C Input for VCO FIN2 IV Convert Input From Photo Diode B D Focusing Servo ON High Level VR
6. 0 0 RESET CIRCU 67 70 71 72 73 80 2 3 4 5 6 7 8 wn SEG10 Segment of Liquid Crystal Displa 11 Segment of Liquid Crystal Displa MIN gt COMPUTER REC WIDE CLOCK INTRO RANDOM OFF SIDE A ot Ea ee LEVEL waw 1127819 PM TIMER REC DISC ST TRACK AUTO MONO FADE TIME EDIT 388 412345678910 1112 131415 gt ONE ALL CONT NO I NO 3 COMPUTER REC WIDE CLOCK INTRO RANDOM OFF SIDEA SLEEP THT rut FM12 ON SIDE WAKE LEVELS LUE TT PM TIMER REC DISC ST TRACK AUTO MONO FADE TIME EDIT REPEAT ig EEI 12345678910 1112 13 14 15 gt ONE ALL CONT a o 7 n TD Ut N m gt 5 VOLTAGES OF CD Unit Volt 101 9210 0 0 Stop Mode 5 0 0 0 0 2 59 2 54 2 55 5 0 Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc 0 Stop Mode 0 Fluc Fluc 0 0 0 Fluc NEM 43 Play Mode Fluc Fluc Measuring wo 33 34 35 Stop Mode 0 0 Play Mode Fluc 2 Fluc Fluc Fluc 407 or pepe Bo po 9 s 2 51 Stop Mode 4 07 2 52 2 49 2 51 2 54 3 92 2 60 2 33 4 92 Play Mode Fluc
7. 1 T o 15 _ 5 626 26 8P2 Segment of Liquid Crystal Display T o 16 58627 527 829 Segment of Liquid Crystal Display _ 1 T io Auto Tuning Signal ACTIVE HIGH LEVEL TUNER 18 nc 529 825 amp NotUsed Ope OFEN 19 NC 530 806 Not Used Open OPEN 31 8P7 Not Used Open o OPEN 21 como covo _______ Common of Liquid Crystal Display 22 Common of Liquid Crystal Display LCD 233 coM2 com2 of Liquid Crystal Display A LCD 24 COM3 7 coM3 7 Common of Liquid Crystal Display LCD 25 Blas Cd BIAS Bisofliquid Crystal Display DE 26 jvico 5 Vee Power Supply for Drive of Liquid Crystal Display 27 _ My _________ Power Supply for Drive of Liquid Crystal Display 28 viC2 Vc Power Supply for Drive of Liquid Crystal Display o 29 STEP _____ AMsStepSelecion _____ Vs TUNER 30 sT pa1 J CO ST Signal LOW LEVEL TUNER JSB rae 150 Signal LOW LEVEL TUNER 32 NC P233 Not Used Ground 1 Vu 33 KORZE 34 __ 5 ________ __________ Signal from LM7001 For Series
8. Detection Signal for Limit of Pickup m 47 Not Used Ground BE as ne Not Used Ground r 49 NC P133 Not Used Ground 5 nce Not sed Ground 251 __5 P131 Select Signal from ON OFF Switch for Pre Muting 130 Select Signal from ON OFF Switch for High Speed Access jt 55 41 Select Signal from PST UP or SCAN Switch for Remocon Function Select Signal from D Series Switch Not Connection VDD Power Supply 5 EE Power supply to Pull Up Resistors l 60 Nc ________ 2 __________ Not Used Open 2504 71 po ey DAC Digital to Analogue Converter Interface Data DAC Digital to Analogue Converter Interface Clock 64 taTCH _____ DAC Digital to Analogue Converter Interface Latch 21 BLOCK DIAGRAM CD 1C104 LC7866E Digital Signal Processor PIN RIPTION TESTI For TEST Norma time ts non connection 2 3 Al 4 PDO Ls vs jew Negative output through amplitude limiter Antiphase of EEMO EFMO This signal use SLICE LEVEL CONTROL kolo EPMO This signat use SLICE LEVEL CONTROL suw Inputting HF signal of 1 2Vp p This signal use SLICE LEVEL CONTROL s TEST2 For TEST Normal time is non connection 10 Output for DISC MOTOR CONTROL 11 Output for DISC MOTOR CONTROL Lx RTS V P
9. WIRING CONNECTION UNIT CD MECHANISM PM DAD 225 5 PICKUP FLEXIBLE FILM LED PC B LCD BACK LIGHT 9 RIBBON CORD CD MAIN PC B FLEXIBLE FILM RIBBON CORD CD BOARD BOARD TO DECK IT AMPLIFIER UNIT TUNER 894444 CN25 BOARD TO BOARD 32 33 SCHEMATIC DIAGRAM CD CD MECHA PCB MECHANISM 10104 LC7866E A DN TRZA 45378005 S 4 A 1601 1604 15535 479 oe peg Bee cD R en ue CD L ch EN WIRING DIAGRAM CD MECHANISM INDLE MOTOR LOADING amp SLED MOTOR TO DECK AMPLIFIER CD MAIN PCB TO FRONT PCB CN252 CN251 CD MICON PCB al NE PONE RH 3 m IE A
10. 290 AF wi awe_IFIER 9 SPEAKER TERMINAL _ SPEAKER TERMINAL PCB RECTIFIER 900 n i bb it b prac SEA i ge BLOCK DIAGRAM PRE AMPLIFIER BLOCK DIAGRAM SYSCON amp POWER AMPLIFIER TO POWER AMPLIFIER PCB TO POWER AMPLIFIER PCB TO TAPE AWE pe AMPLIFIER 258 E 05503 LEO DRIVER 1551 MICRO PROCESSOR LCD DRIVER BESE Byes pod oz gt 2251 LICUID CRYSTAL 0 ZHEMATIC DIAGRAM FRONT SCHEMATIC DIAGRAM MECHANISM 1 001 11 6 A coon o CNOOJ 4120 MOTOR AM s xj Gaium rer E R amp gt O A A 3 ET AR 4 EZ ALAS 11 26001 O gt m SPEED 33710 CE ds NEX 8 PLNG NUS F MGNO PHOO 002 8 ch SPI33534C 1 25 18 5001 002 z 1 14D4S12A02000 in 5 1 5003 00 _ imu FROM DECK 1A04S13A01800 m
11. N lt lt a gt gt 6 SR GR RIKI gt dies VCO CLOCK EFMIN CONTROL OSCILLATION CLOCK CONTROL RAM ADDRESS GENERATOR SYNCHRONIZATION DETECTION 5 009 DEMODULATION C1 C2 ERROR DETECTION amp CORRECTION FLAG 9 PROCESSING SBK 9 SUBCODE sesv srsv r9 SEPARATION XTAL SYSTEM TIMING GENARATOR 63 SERVO COMMANDER DESCRIPTION Output of signal to DAC Signal of Latch 8 L R select Signal for Sampling Hold Output of signal to DAC Signal of Latch amp L R select Signal for Sampling Hold Output of signal to DAC Signal of Latch amp L R select Signoi for Sampling Hold Output of signal to DAC Signal of Latch amp L R select Signa for Sampling Hold For TEST Normal time is non connection For TEST Normal time is non connection For output of signal that Comply with For output of signal that Comply with CD ROM For output Of signal that Comply with CD ROM For output of signal that Comply with CO ROM Output of DIGITAL OUT Synchronizing signal of sub code block For correction monitor of C1 C2 single double SFSY is Synchronizing signal of sub code amp frame Clock of eighth send to SBCK then read out the sub code of P 0 R 5 U 8 W Output of Synchronizing signal 7 35KHz Data sub code pass the CRC check then WRQ It cetect
12. PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing Components identified with the IEC symbol the parts list and the schematic diagram designate components in which safety can be of special significance When replacing a component identi fied use only the replacement parts designated or parts with the same ratings of resistance wattage or voltage that are desig nated in the parts list in this manual Leakage current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer CAUTION Regular type resistors and capacitors are not list To know those values refer to the schematic diagram N S P Not avairable as service parts CABINET ASSY PANEL FRONT TERMINAL 4P ANT ASSY CABINET TOP PLUG 14P TO FRONT PANEL REAR TRIMMER 11PF WH ASSY CABINET BOTTOM ESCUTCHEON CD TRAY FRONT VARACTOR DI SVC211 B AL VARACTOR DI SVC211 B AL VARACTOR DI SVC211 B AL DIODE GMAO1 DIODE 155133 DIODE 155176 DIODE GMAO1 0100 155133 DIODE 155176 DIODE GMA01 DIODE 155133 DIODE 155176 DIODE 1 0100 155133 DIODE 155176 DIODE 6 01 DIODE 155133 0100 155176 IC LA1265 AUD IC LA3361 IC LM7001 TRANS RF FM TRANS RF TRANS OSC FM FILTER CHOKE 2 2UH FM TUNER RF AM FILTER CHOKE 100UH VOD TR 2SK193 LL TR 2SK193 ML TR 25 1923 2SK193
13. input from VCO output in LA9210 8 6436 2 Phase comparison output of VCO and EFM signal CLV rough Servo time Output H Phase control time Output L 13 FOCS Output H Lens pull up with slowly than stop the Focus 45 FST Servo FZD generate it reset output of FOCS For lead in of FZO Focus a7 Comply with command of track jump it kick Pulse 48 JP It jump the prescribed number of track 1 4 16 64 ag TES Comply with command of track jump it oscillate kick Pulse 50 JP amp It jump the prescribed number of track 1 4 16 64 51 Monitor 4 3218MHz 52 53 54 CQCK ses 1 se 57 raser Comply with command of track jump it oscillate kick Pulse JP amp It jump the prescribed number of track 1 4 16 64 For TEST Normal time is non connection 5V Comply with command of track jump it oscillate kick Pulse amp JP It jump the prescribed number of track 1 4 16 64 For adjustment of production process Sound on function For TEST Normal time is non connection 26 JP 27 Output is time it need de emphasis For TEST Normal time is H 14 15 nm 19 FSEQ SYNC FS of truth detected from EFM signal SYNC of counter H Latch Output during in 1 frame gt
14. Rear Volume Down Signal 1 1 1 H t 6052 0 Equalizer Clock t 16 fos from 0 l w nc C _ 8 04752 1 Signal totozsa 0 0 tL 19 95 Clock Signal to uc7s2z 0 0 HM 1 t _20 Nc 08 Not Used vss 0 o e 21 CE7522 0 Enable 0107522 5 22 ronce TC Control Signal of Function t 23 _ OB Control Signal of Function C 804 t __ 24 TTA Control Signal of Function ic 804051 t 25 0 Dolby ON OFF Control Signal t ON 1 tH t _26 Dolby B C Control Signal tc 1 t 27 High Speed Signal for Motor H HIGH H t 28 351 Plunger ON Signal 1 _ t 29 karaoke 30 ams 0 01 JjNotued s 3 1 ____ Pack A Detection Signal _____ 32 stopsw 1 1 Switch Detection Signal 33 vss _ NN M 34 GREV __ ____ Anti Record Detection Signal for Reverse Direction L ON 35 Grwo 1 Anti Record Detection Signal for Forward Direction 1 00 36 1 _ Pack Detection Signal 37 pray sw __ 1 Switch Detection Signal _38_ PulLUP2 ss 0 __ Set up Signal ofawef Mo vt 39 0 _ Mot
15. 21 Q 4 Hook the gear tension spring CM22 onto the timing gear CM23 GEAR TENSION SPRING 2 Installing the tray gear 1 Move the tray slide CM15 in the direction of the arrow 2 Engage the gear section of the tray slide CM15 with the 89 inner gear of the tray gear CM6 at the center line as shown in the figure 3 Align the tray move gear CM3 with the position O of the hole in the outer gear of the tray gear CM6 and engage TIMING GEAR CM23 GEAR TENSION SPRING CM22 the tray move gear CM3 as shown in the figure GEAR CM3 MECHANISM REMOVAL CD 4 Lubricating the base lever 5 Lubricating the pickup sled gear and clutch gear Apply grease G 474B to the X area in the figure 1 Apply grease FLOIL G 474B around the entire circumference of the lower gear of the pickup sled gear CM12 as shown in the figure rea 2 Apply grease G 333 around the entire circumference of the outer clutch gear 9 3 Apply grease FLOIL G 474B to the part of the outer clutch gear CM9 where it makes contact with the inner clutch gear 8 M NE BASE CHASSIS CEMEDINS PULL U SPRING 49 PICKUP SLED GEAR CLUTCH INNER GEAR g 8 8 5 LEVER 3 CLUTCH CM9 OUTER GEAR 6 Arranging and securing the leads 1 As shown in the figure set the pickup 52 at a position on the innermost circumference of the co
16. SCR S TPG BIN 3X10 SCR S TPG BRZ FLG 3X14 SCR S TPG BIN 3 25 SCR S TPG 4 8 WASHER Z 3X10X1 PHONQ GND WASHER OUT TW 3 PHONO GND SCR S TPG BIN 3X6 PLUG 9P TO DECK SOCKET 10P TO MAIN AMP SOCKET 8P TO MAIN AMP SOCKET 7P TO MAIN SOCKET 6P TO MAIN AMP SOCKET 4P RCA PHONO amp VIDEO IN 2 46 PARTS LIST Ic IC Ic TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR TR 1464585 BU4051B LAG458S LA6458S LC7522 64585 TC9153AP LA6458S LA6458S BU40518 2SC1815 GR 2SC945A K 2SC1815 GR 25 945 2549335 5 2SA933S R 25 1048 25014685 5 2501012 6 5 1142 07 144 5 2SC1815 GR 25 945 BA1L4Z DTC144TS 8 1147 0714475 2501815 68 25 945 2SC1815 GR 25 945 2501815 68 25 945 DTC144TS BALL4Z Pret wo 7 net no SOCKET 1P RCA EXT SP PLUG 3P TO FRONT VR PLUG DECK MECHA DIODE GMAO1 DIODE 155133 DIODE 155176 0100 6 01 0100 155133 DIODE 155176 DIODE GMAO1 DIODE 1SS133 DIODE 155176 DIODE GMAO1 0100 155133 0100 155176 DIODE 155176 0100 155133 DIODE GMAO1 DIODE 1SS176 0100 155133 DIODE GMAO1 DIODE 155176 DIODE 155133 DIODE GMAO1 DIODE DS442X 0100 151588 DIODE 152473 ZENER DIODE M
17. TR RN1202 TR BA1A4M TR RN1202 TR BA1A4M TA RN1202 TR 1 4 TR RN2202 TR BN1A4M TR RN2202 TR BN1A4M TR RN2202 TR BNIA4M TR BNIL4Z TR DTA114TS TR 2SA1175 FF TR 2SA1048 GR TR 25 1175 TR RN1202 TR BA1A4M TR OTC114ES CARBON FUSIBLE CARBON FUSIBLE FUSIBLE FUSIBLE FUSIBLE 2 2K RES 100 2 2K RES 100 RES 100 RES 33 1 24 1 44 1 2W 1 4w 1 44 1 24 RES 33 45 1 24 RESISTOR 10K X6 RESISTOR 10K X6 RESISTOR 10K X3 RESISTOR 10K X3 RESISTOR 10K X6 RESISTOR 10K X6 RESISTOR 10X X5 RESISTOR 10K X5 RESONATOR 4 19 2 10500 PARTS LIST P T PRIMARY P C BOARD ASSY etno potno 614 246 6322 ASSY PCB P T PRI 4 614 017 8203 TERMINAL BOARD AC IN 614 208 4540 FUSE HOLDER 2999 614 208 4540 FUSE HOLDER FU999 229 0422 INDUCTOR FERITE AC LINE SECONDARY P C BOARD 55 Ret No ASSY PCB P T SEC SOCKET 5P TO SOCKET 5P TO MAIN AMP SOCKET 3P TO MAIN AMP IC PROTECTOR ICP N38 IC PROTECTOR ICP N38 RESISTOR 0 33 J 1 2W RESISTOR 0 33 J 1 2W RESISTOR 0 47 J 1W REGULATOR P C BOARD ASSY ASSY PCB REG SOCKET 5 NJM7812FA L7812ML UPC7812HF 7812 SPEAKER TERMINAL P C BOARD 55 Description ASSY PCB SP TERMINAL TERMINAL 4P SPEAKER PLUG 4P TO FRON
18. 11 9 0 DOLSY 15 0 70 i 3 Os 11 9 11 9 10 U 9 TUO GMAQ 1155133 25 6 5 5 1 6 5 2 03 28 7 0 4 0 4 7 6 2 E 2 412X 5 192473 57336 6 1 6 8 5 8 6 6 1 9 5 7 2 M 240663 rTC40668P gt PW 10 0 4 0 4 9 6 9 3 3045668 JPCAOS6BC 2 E SRI Bate 26 1 6 2 ME 35 5585 Sox 1 50 e 7121 6 2 36A 3254 13 1 2 1 2 6 3 5 a E 1 114 8 5 6 0 6 0 av 9 les 2 15 1 2 a n e 1 6 01 6 0 1 1 9 3 3 1 9 us gs LEER PETANK 84 TO PRE AMPLIFIER POWER AMPLIFIER PC B CN301 CN302 CN331 CN372 CN371 E HEAD CH PLAY HEAD 1 nite BLP HESS TAPE DECK A TAPE DECK B TAPE MECHANISM TO POWER AMPLIFIER 2 DIAGRAM PRE AMPLIFIER m PHONG IN mat wem ous CN301 rt 3 15V Bor ttt INR X MAPK H NY 1 IN L si a R VIDEC IN 10711 1464585 CNAA 2125171 DI t 1
19. CL 1706 CO CH CL 170G CO AL CL 170G CD BL CL 170G CO CL CL 1706 CO AH CL 170G C0 BH CL 170G CO CH C 1706 CD AL CL 170G CD BL CL 1706 CO CL CL 170G CD AH CL 170G COD BH CL 170G CO CH 1706 0 CL 170G CO BH CL 170G6 CO CH CL 170G CD AL CL 170G CD BL CL 170G CD CL CL 170G CD AH CL 170G CD 8H CL 170G CD CH CL 170G CD AH CL 170G C0 BH CL 170G CO CH ASSY PCB DECK AMP SHIELD PLATE POLYESTER 0 0150 J 50V POLYESTER 1500P K 50V PLUG 9P TO PLUG 9P TO PLUG 2P HIGH SPEED PLUG 2P E HEAD PLUG 4 HEAD PLUG 5P R P HEAD SOCKET 3P TAPE OUT 0100 6 01 0100 155133 DIODE GMAO1 0100 155133 DIODE 6 01 0100 155133 0100 6 01 0100 155133 0100 05442 0100 152473 DIODE 6 01 0100 155133 HEAT SINK BIAS LEAK HA12136AT HA12136A 43246 IC MLC40668 IC BU40668 IC TC40668P IC UPD40668C IC CXA1298AP IC UPC1330HA TRANS OSC MX COIL 85KHZ MX COIL 85KHZ FILTER 1000UH INOUCTOR FERITE 3 3MH MX COIL 85KHZ FILTER 1000UH INDUCTOR FER TE 3 MX COIL 1000UH TR DTC144ES TR BA1L4M TR AA1L4M TR RN1204 TR 144 5 TR BN1L4M TR ANIL4M TR RN2204 TR DTC144ES TR BA1L4M TR AALL4M TR RN1204 PARTS LIST ranno Bei TR OTC144TS TR 1147 TR DTC144ES TR BA1L4M TR TR RN1204 TR DTC144ES TR 114 TR AA1L4M TR RN1204 TR 144 5 TR BN1L4M TR
20. CM55 SWITCH CM54 MOTOR SCR S TPG PAN 2X14 GEAR FIX WASHER V 2X6X0 4 GEAR FIX GEAR TRAY MOVE SCR S TPG PAN 2X14 GEAR FIX WASHER 2X6X0 4 GEAR FIX GEAR TRAY SCR S TPG PAN PCS 1 7 6 ASSY GEAR CLUTCH INNER GEAR CLUTCH OUTER GEAR CLUTCH OUTER SPECIAL SCREW SLIDE FIX SCR S TPG PAN PCS 1 7 6 GEAR PICK SLED SPECIAL WASHER PICK GEAR SLIDE BASE UP DOWN SLIDE TRAY GEAR PICK RACK UPPER SPECIAL SCREW GEAR FIX SPRING COMP RACK BACK GEAR PICK RACK LOWER GEAR BASE TRAY TIMING SPECIAL SCREW GEAR FIX SPRING TENS GEAR TENSION GEAR TIMING SCR PAN SW 2X4 SLED MOTOR SWITCH LIMIT SWITCH TRAY OPEN SPRING PLATE CHUCKING SCR BRZ FLG 3X6 BRACKET M CHUCKING ASSY PULLEY 19 SCR S 1PG 2 6 BRACKET M TRAY GUIDE L SCR S TPG PAN 2X6 BRACKET BRACKET M TRAY GUIDE R LEVER BASE SPRING COMP BASE LEVER MOVE SCR S TPG BRZ FLG 3X8 LEVER ASSY MOTOR LOADING SLED CHASSIS LOADING CHASSIS CHASSIS LOADING CHASSIS SPECIAL SCREW REINFORCEMENT LUG WIRE DRESS SCR S TPG BIN 3X6 LUG FIX SHAFT PICK RAIL SPRING WIRE PICK BACK SPRING TENS BASE PULL UP ASSY CHASSIS BASE CHASSIS WITH SPINDOLE MOTOR TURN TABLE SERVICE ONLY SCR S TPG BRZ FLG 3X6 PICKUP LASER PLASTIC SF P1PS PICKUP LASER ALMINUM SF 90PS CORD 13P PICK UP ASSY CONNECTOR S 4P SPINDLE SLED MOTOR ASSY CONNECTOR S 3P LIMIT TRAY OPEN SWITCH SPECIAL WASHER GEAR FIX CUSHION MOTOR LEAD FIX
21. SLIDE REEL CHANGE 1 ASSY SLIDE REEL CHANGE NO 2 SWITCH LEAF PACK1 003 SWITCH LEAF PACK2 S004 SWITCH LEAF CROM1 S005 SWITCH LEAF CROM2 S006 SWITCH LEAF URFWD S007 SWITCH LEAF URREV S008 CUSHION RUBBER SILEN CUSHION RF LEVER TOUTCH CUSHION RUBBER DRIVE SLIDE WIRE STOPPER CUSHION RUBBER H S STOPPER CUSHION RF LEVER SILEN 2 FIXING PARTS FOR TAPE DECK MECHANISM retno Description SCR PAN FLG 2 6 2 8 MOTOR SCR S TPG BIN 3X8 B MOTOR SCR PAN SW 2X4 SOLENOID SCR S TPG BIN 2X6 A SCR S TPG PAN 2X6 TAPE GUID SCR PAN PCS 1 6X6 HEAD FIX SCR PAN PCS 2X2 REEL CH SLIDE NO 2 TAPE DECK MECHANISM P C BOARD ASSY 43 614 220 1626 ASSY PCB MECHANISM PLUG 8P CNOO1 TAPE PLUG 8P CN002 TAPE B 50 4 003 0 MOTOR DIODE DSF10C DIODE 1SR35 200A DIODE 6 01 DIODE 155133 ZENER DIODE GZS5 1Y ZENER DIODE MTZ5 18 PHOTO COUPLE SPI 335 34 C PHOTO COUPLE SPI 335 34 C IC PROTECTOR ICP N10 TR 2SB621 S TR 25A1048 GR TR 2549335 5 TR 258621 5 SWITCH LEVER PLAY SWITCH LEVER STOP SEMI FIXED V R 20K B 52 EXPLODED VIEW TAPE DECK MECHANISM M72 Pty ER N M75 E A MB1 5008 5007 M8i S004 M81 5008 BLOCK DIAGRAM TAPE DECK
22. and pull it out by force 3 Push the catch on the disc tray 31 in the direction shown by the arrow and draw out the disc tray 31 4 To install the disc tray turn the gear CM12 in the direc tion of the arrow as far as it will go 5 Align the disc tray 31 with the mechanism chassis CM39 Adjusting second tooth of the tray move gear CM3 6 Push the disc tray 31 toward the rear and interlock it with the tray drive gear CM12 as shown in Fig 7 Secure it with the screw Y1 which was removed in step 1 SECOND TOOTH OF TRAY MOVE GEAR 3 Disassembling the mechanism 1 Removing the pickup block 1 Remove the disc tray 31 Refer to steps 1 2 and 3 of the section entitled Removing and installing the disc tray Turn the tray drive gear CM12 counterclockwise D and move the pickup in the direction of arrow as far as it wil go 3 Remove the spring wire CM44 with tweezers 9 4 Remove the screw CM11 and also remove the tray drive gear 12 and washer 13 5 Now remove the pick rack gears CM16 and CM19 Note will not be possible to remove the pick rack gears CM16 and CM19 unless the pickup has been moved all the way in the direction of arrow 6 The pickup block can now removed by taking out the screw 51 and spring coil CM49 Note If the timing gear CM23 is in the state shown by X in the figure on the right put it in th
23. 0 Fluc Fluc EC EUM CEN m wo 35 Stop Mode 2 5 2 5 0 2 41 1 63 NM NN 2 52 Fluc NC Play Mode Fluc Fluc Fluc Fluc Flac Fluc 0 4 5 Fluc Fluc Fluc pie EN Measuring Pin 4 92 2 33 4 93 NEM 28 NC 47 Fluc Fluc Fluc Fluc Stop Mode Play Mode 105 5 587005 1 106 XRA15218F VOLTAGES OF amp TRANSISTOR CD Transistor No MEMO 10107 10168 3 OUT 1 OUT 2 GND Mode 5 0 5 6 0 6 Play Mode TRANSISTOR Unit Volt Transistor No Measuring Pin Name Stop Mode lay Mode Stop Mode Play Mode 28 29 SCHEMATIC DIAGRAM FRONT 05554 05553 05552 05551 05558 05557 05556 05555 05562 05561 05560 05558 05566 05565 05564 05563 05570 05569 05568 05567 CL 170 CD TO CD MICON CN251 F12V LED 2 ___ 288532958 8 TO TUNER CN253 PCON PCON CE CLK rks 20 4 DODATA MOND 5 MONO ST 5 DA ONO ST 7 50 5 MUTE R2510 2 ro J ip i 075306 225 312V s STEP TO CD MICON
24. 114 TR RN2204 TR DTC144ES TR 114 TR AA1L4M TR RN1204 TR DTC144TS TR BA1L4Z TR DTC144ES TR BA1L4M TR AA1L4M TR RN1204 TR DTA144ES TR BNIL4M TR ANIL4M TR RN2204 TR 2SC1815 GR TR 2SC945A K TR 25 1627 TR 2SA1015 GR TR 254733 TR 2SC1815 GR TR 2SC945A K TR 2SC1740S S TR 25014685 5 TR 25014685 5 SEMI FIXED SEMI FIXED SEMI FIXED SEMI FIXED SEMI FIXED SEMI FIXED SEMI FIXED 20K B 20K B 51 RTS LIST PE DECK MECHANISM TM SF3J SP 102 93 104 105 106 107 108 109 110 112 113 14 115 116 117 18 49 120 21 22 123 24 25 i26 127 128 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 50 61 62 53 84 Description ASSY CHASSIS TAPE DECK SPRING PLATE CASETTE PRES ASSY FLYWHEEL REV D2 0 ASSY FLYWHEEL NOR D2 2 SPECIAL WASHER REV FW FIX SPECIAL WASHER NOR FW FIX SPECIAL WASHER REV OIL PRF SPECIAL WASHER NOR OIL PRF ASSY COMMUTATE MOTOR BRACKET E MOTOR BELT SQUARE A MECHA DRIVE BELT SQUARE B MECHA DRIVE PULLEY BELT DUMMY SPECIAL WASHER D PULLEY LEVER PLAY GEAR ASSY GEAR PLAY CLUTCH PIPE PLAY SLIP FIX CUSHION BELT TUTCH B CUSHION BELT TUTCH A 614 219 9657 GEAR RELAY FIXEO PIPE GEAR FIX ASSY GEAR TAKE UP MOVE LEVER TAKE UP MOVE B SPRING WIRE 8 MECHA REEL CHANGE CLIC GEAR REEL RELAY GEAR REEL REEL RIGHT REEL LEFT SPRING C
25. BLOCK DIAGRAM 59 SCHEMATIC DIAGRAM TAPE DECK AMP 60 WIRING DIAGRAM TAPE DECK AMP 62 SCHEMATIC DIAGRAM PRE AMP 64 WIRING DIAGRAM PRE AMP amp FRONT 66 SCHEMATIC DIAGRAM SYSCON amp MAIN 68 WIRING DIAGRAM MAIN AMP 70 CONNECTION DIAGRAM 72 BLOCK DIAGRAM TAPE DECK amp FRONT 74 BLOCK DIAGRAM PRE 8 MAIN 75 SCHEMATIC DIAGRAM FRONT 76 SCHEMATIC DIAGRAM TAPE MECHANISM 77 Dolby and the double D symbol X are trademark of Dolby Laboratories Licensing Corporation Dolby Noise Reduction system is manufactured under license from Dolby Laboratories Licensing Corporation This Service manual is consist of RB D30 SX D30 DC D30CT DC D30DA REFERENCE No 5 580042 SPECIFICATION CASSETTE DECK AMPLIFIER UNIT TUNER TIMER PLAYER UNIT Cassette decks Tuner Track system 4 track 2 channel stereo Reception frequency FM 87 5 108 MHz Frequency response Chrome tapes 40 13 500 Hz AM 531 1701 kHz Normal tapes 40 12 500 Hz CD player Signal to noise ratio 60 dB with DOLBY NR ON Channels 2 channel stereo Wow and flutter 0 14 WRMS Sampling frequency 44 1 kHz Fast forward Pick up Optical 3 beam semiconductor laser rewind time Approx 120 sec C 60 Frequency response 20 20 000 Hz
26. H Confirm stereo indicator light 7 sensitivity Set to EXT STEREO TP212 E up within near the specification 74 204 is no earth point Adjust in the modulation off Tuner Mode AUTO STEREO rye 2 AM BAND Antenna IRE Loop Modulation 1kHz 30 SG RF Level 75 ohm Open voltage dBiV me ms EOT ae t 530kHz TP202 H Confirm 1 1 1 5V E COVER 1700kHz REDS EM Digital Voltmeter Confirm lt 8 5 about 7 7V 7 600kHz 56 R LOOP Pc VTVM TP233 L Output Maximum TP234 R Confirm to near the effective sensitivity Confirm auto tuning stops at within near the specification 0 Station Detection TRACKING A Oscilloscope NT LOOP ANT 1400kHz about 80dB AM SG gt about 8048 3 PARTS LOCATION FM EXT TP212 202 1P207 ANT 7 3415 0420 m TP206 i 2417 SVR23 223 2227 224 C2207 203 2427 2420 LASER BEAM SAFETY PRECAUTIONS CD Do not look straight at the laser beam from the pickup and do not point the beam at your fingers or any other part of your body Note The laser beam must never be allowed to enter the eyes since this may damage the eyes Power must never be supplied to a pickup with a damaged laser output
27. Hg H 5001 STOP Sw 002 5002 PLAY 5 5003 DECK 1 PACK w oe 5004 DECK 2 PACK SW STO H USE 5005 DECK 1 CRO2 5 nee 006 D R w HOLINS A REEL 2 VOLTAGE 0002 25 1048 254 933 5 26102 3 155 Ss URF DECK 2 REC 0001 1 15835 5007 DECK 2 Sw 5642 e 5008 DECK 2 UNREC R SW es as x 0002 GMAO o t 185133 EC A 0003 MTZ5 1BsrGZS5 1Y CRO2 2 0 2 FROM DECK x m gt x Ra i AM H M BE wap bs al SANYO Electric Co Ltd Aug 92 450 NS Printed in Osaka Japan 76 i 77
28. IC351 HA12136A Dolby B Noise Reduction System 1 370 1 3246 Pre amp Mixing Amplifier with Electrical Switch MeiNor NIH Filter IN2F 198 2 072 Sw OUT2 OUT REC 1 Me Nor OUT igh SW OUT sw 1C374 CXA1298AP Equalizer Amplifier for Record REC 3 Q 1C371 MLC4066B Quad Electronic Switch vOO CNIL CONTA OUTS INS 2022 DIAGRAM ANC TRUTH C i NORM HICH INI Qvi 142 6472 85 54 BLOCK DIAGRAM AMPLIFIER 1 500 pPD75516GF 412 389 Micro Processor pm vo amw Jav 0 0 3 PAD Key Input _2 _________ mRefeemevVoltageotaD 0 __ _3 4 Connect VDD for PROM 5 O 5 Pull up Signal of AVref Backup Time LOW 6 Oo JLr Rselctin Contro for BA38265 t __ 7 sano Reset ResetContolfor Ba38265 8 H 8 0 j BandPas Control of BA38265 _ 9 _ 1 0 f BandPas Control of Ba3825 10 01 0147 10 0 f sBandPasCContolot8A38268s n 1t 1 t 1 sss 0o BAssxpanderContol Sigma it 12 DOSURR ON OFF o Dolby Surround Control Signa LED t 13 REAR VoL UP _ o meaVoumeUpSinal 1 H t 14 REAR voL DOWN
29. LABEL SAFETY LASER nnnaunannnnnznannnznne REMOTE CONTROLLER UNIT 2 PARTS LIST REMOCON RB D30 614 243 8152 ASSY REMOCON 614 235 9433 LID BATTERY PARTS LIST SPEAKER SX D30 RefNo PartNo BS 614 246 2621 ASSY CABINET SPEAKER tenant TUNER CD PLAYER UNIT ADJUSTMENT TUNER Use a plastic screwdriver for adjustment Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter SG RF Level 75 ohm Open voltage dBiV 1 FM BAND Antenna 75 ohm Direct Modulation ikHz Dev 75kHz mono 40kHz main 6 75kHz pilot STEP ITEMS TUNING INPUT CONDITION OUTPUT CONDITION PARTS STANDARDS FREQUENCY MEASURE OUTPUT FM Sweep TP211 H FM Sweep TP223 H por Jem TP212 E P jak 87 9MHz TP202 H 12104 1 0 1 3V COVER 1079 oo ostat vote TP201 E Confirm lt 8 5V about 6 6V TP233 L Output Maximum TRACKING 90 1MHz FM 56 TP211 H VIVM ia A A 106 1MHz about 848 TP212 E Oscilloscope the 1 H F sensitivity TP235 E FM SG TP211 H SIE TP203 H EX ALLA ae 6698 ____ TP212 56 TP211 H Frequency TP206 H m 5 6688 TP212 E Counter 207 SVR23 19KHz 50Hz 6 TP211 H VTVM d Confirm to about 66dB TP212 E Oscilloscope R near the specification STEREO 98 1MHZ FM 5 TP211
30. PRE AMP PLUG 8P TO PRE AMP PLUG 7P TO PRE AMP PLUG 6P TO PRE AMP ZENER DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE 0100 DIODE ZENER 0100 DIODE 0100 0100 0100 DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE ZENER DIODE DIODE DIODE 0100 DIODE DIODE ZENER ZENER DIODE MTZ128 RBV 402LF A RBA 402LF A 15835 200 15835 200 15835 200 15835 200 155133 GMAO1 155176 155133 6 01 155176 6 01 155133 155176 DIODE MTZ15C 155133 6 01 155176 155133 GMAOL 155176 155133 6 01 155176 155133 6 01 155176 155133 GMAO1 155176 155133 6 01 155176 155133 155176 6 01 155133 155176 GMAO 1 0100 MTZ5 18 155133 GMAQ 1 155176 155176 6 01 155133 DIODE MTZ5 6B DIODE MTZ5 68 HEAT SINK FOR 1 900 HEAT SINK FOR IC903 HEAT SINK FOR Q4903 HEAT SINK FOR Q4904 0755166 412 389 BA3826S IC STK4132MK2 IC 1780512 NJM7BMOSFA IC UPC78MO5H 1 L78M05 IC 1780512 TR 25 2878 TR 25 2878 TR 25 2878 TR 25 2878 TR 2SC2655 Y TR 25C1815 6R TR 25 945 TR RN1211 TR BA1A4Z TR DTC114TS TR 2SC2878 A TR 25 2878 TR 25 2878 TR 25 2878 TR 2SC1815 GR TR 2SC945A K TR 25 1815 68 TR 2SC945A K TR TIP298 TR TIP328 TR 25 1015 TR 2SC1815 GR TR 25 945 TR RN1211 TR BA1A4Z
31. TACT BACK 1 1706 0 52528 SWITCH TACT RANOOM CL 170G CD AH 2531 SWITCH BAND CL 170G CD BH 52532 SWITCH TACT CLEAR 1 1706 0 SWITCH TACT TUN MEMORY CL 170G CD AL SWITCH TACT MODE SWITCH TACT PST UP SWITCH TACT TUN UP SWITCH TACT TUN DOWN PHOTO DI SPS 422 1 1R OPTO CONNECTOR IR RESEIVER RESONATOR CERAMIC 4 19MHZ F CL 170G CD BL CL 170G CD CL CL 170G CD AH 1706 0 CL 170G CD CH CL 170G6 CD AL CL 170G CD BL CL 170G CD CL LED LCD BACK LIGHT P C BOARD ASSY ASSY PCB LED ASSY CONNECTOR S 2P FROM FRONT y LED CL 170G CD AL LED CL 1706 CD BL LED CL 1706 CO CL LED CL 170G CD AL LED CL 170G CD BL LEO CL 170G CO CL LED CL 170G CD AH LED CL 170G CD BH LED CL 170G CD CH LED CL 170G CD AH LED CL 170G CD BH LED CL 170G CD CH LED CL 170G CD AH LED CL 170G CD BH LED 1 1706 0 LED CL 170G CD AL LED CL 1706 00 BL LED CL 170G CD CL LEO CL 170G CD AL LED CL 1706 CD BL LED CL 170G CD CL LED CL 170G CD AL LED CL 170G CD BL LED CL 1706 CD CL LED CL 170G CO AH LED CL 170G6 CD BH LED CL 170G CD CH LED CL 170G CD AL LED CL 1706 CD BL LED CL 170G CD CL LED CL 170G CD AH LED CL 170G CD BH LED CL 170G CD CH LED CL 170G CD AL LED Ct 170G CD BL LED CL 170G CD CL 2746 EXPLODED VIEW CD MECHANISM PARTS LIST CD MECHANISM CD MECHANISM PM DAD 225 SP Panno oai _____ Wet No Bao
32. TUNER 355 941 Datta Signal from LM7001 For Serie TUNER 36 Do ps2 _________ Data Signal from LM7001 For 5 Series TUNER Compulsion Monaural For S Series ACTIVE HIGH LEVEL TUNER Not Used Ground e Clock Signal In from Main Micro Processor uPD65117 i MAIN CON 4 NC Lc LPO249O7SBO Used Ground S Veo O l at 03 51 581 Data In from Main Micro Processor uPD65117 1 MAIN CON 42 Vee d 43 NC PAINT NotUsed Groun 44 NC Not sediGroung Not Used Ground VW 46 wiDe P20 PT100 select Signal for AM Signal Wide HIGH Narrow LOW TUNER Tuner Power Signal For S Series ACTIVE HIGH LEVEL 48 MUTE ________ 22 _______ Tuner Mute Signal ACTIVE HIGH LEVEL TUNER 49 Busy 23 8022 BusySignal Out to Micro Processor uPD65117 10 MAIN CON 49 BUSY _ _ 23 8 2 BusySigna Out to Main Micro Processor uPD65117 O MAIN CON _50 so P30 LCDCL initial Set for User Country Open or Ground 51 si initial Set for User Country Open or Ground J ______ 521522 P32 initial Set for User Country Open or Ground J 1 _____ 53 Select Signal for FM Auto Mute SET Open NOT Vcc Pot ft 55
33. at external Data read out from SQOUT by send the CQCk RWC set the H by Micro Processor then it let command by send with Synchronizing CQCK command data Turn on the Power Supply time Once L Data of SQOUT want at the LBS first time M L set the L This output can control at Serial Control from Micro Processor 16M Output 16 9344M117 Output 4 2336MHz This output can control at Serial Control from Micro Proces o For TEST Normal time is non connection Chip select Terminal This terminal LC7866 is active Internal Resistor Pull Down Connection Terminal of crystal oscillation 16 9344MHz Connection Terminal of crystal oscillation 16 9344M Hz TEST SBCK SFSY Al pw EFLG vss sesy DOUT EFMO car EFMIN C2FCLK TEST2 ROMOUT CLV LRSY DF1N FOCS DACLK FST DF OUT FID SMP HEL LRCLK BLOCK DIAGRAM 105 5 587005 D A Converter 1 1 0 FUNCTION Output of nfinity Zero Detector System Reset Normal Reset Digital GNO Terminal OV PWM Output of L channel Analog GND Terminal iV PWM Output of Lchannel vDD3 O PWM Output of R channel Analog GND Terminal 20V Output of R chamnel ___ Analog VOD Terminal a sv ________ input Terminal of Oscilation xo o Terminal of xvss GND Terminal of crystal Rou
34. part objective lens etc INVISIBLE LASER RADIATION EXPOSURE TO BEAM OUTPUT POWER CLASS 1 LASER PROOUC LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT T IS DANGEROUS CLASS 0 6 mW MAX WAVELENGTH Structural Safety Interlock This model has a disc chuck lever and top lid This disc chuck lever and top lid prevent to expose the laser beam for users LASER PRODUCT 790 nm CAUTION INVISIBLE LASER RADIATION WHEN PANEL CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED IN THE OPERATING INSTRUCTIONS MAY RESULT IN HAZARDOUS RADIATION EXPOSURE THE COMPACT DISC PLAYER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY QUALIFIED PERSONNEL 1 Precautions for handling the pickup and semiconductors particularly the ICs a The pickup and semiconductors particularly th ICs may be damaged if they come into contact with a RSA of high voltage static electricity Do not bring them therefore into contact with or into the vicinity of anything which has been charged with high voltage static b The pickup consists of a large number of optical and precision parts Do not store or repair it therefore in any location with a high temperature high humidity high magnetic fields or high dust concentration Since the pickup contains a powerful magnet it must not be brought near any magnetized objects c Do not apply strong external pressure to the pickup or
35. subject it to impact Actions like these can cause the printed circuit board to crack or malfunctioning to occur d The pickup is a single integrated part which has been very precisely adjusted Therefore its adjustment points and set screws must not be touched 2 How to prevent static during handling a When replacing any of the parts disconnect the power plug from the unit being repaired b All measuring instruments tools and repair equipment must be grounded Cover the work bench where the repair work will be done with a grounded electrically conductive sheet c Ground the metal part of the soldering iron in order to safeguard against leakage of electricity from the heater Notes d Repair personnel must wear grounding bands around their These wrists to discharge static picked up by their bodies bands are grounded through a resistor with a resistance Note Under no circumstances must be the grounding bands be grounded without a resistor with a 1MRE resistance since doing so involves the risk of electric shocks Since static in the clothes of the repair personnel will not be discharged by wearing grounding bands every care must be taken not to allow the clothes to touch the pickup and semiconductors particularly the ICs The pickup which is a single integrated part is kept in a conductive bag Use this bag to convey the pickup from one place to another In order to avoid damage resulting from s
36. 0 Blank tape into the DECK B 7 Press the REC button of DECK B and press the DECK A B button 78 Press the FWD PLAY button Both mechanism become normal speed dubbing gt 8 Short the high speed test pin to the high speed position TAPE OU mechanism is high speed dubbing 9 Confirm that a frequency counter reading of 2700 3300Hz is obtained Note Set the test tape near the tape end TAPE SPEED SVROO1 PINS FOR HI a 4 3 Parts Location DECK B PLAYBACK ADJUSTMENT DECK A TAPE OUT PLAYBACK REC PLAY GAIN POINT A 19kHz Trop ADJUSTMENT ADJUSTMENT Rch Lch EFFECT ADJUST m SVR33 SVR31 SVR30 SVR32 SVR35 SVR34 Reh Leh Lech Rech Leh lei eb U 13730 13830 HIGH SPEED Lch Reh TEST POINT Cum LJ eq CN331 L3300 sem DECK A DECK B SVR37 SVR36 E HEAD BIAS FREQUENCY PLAY HEAD R P HEAD Rch Len CONNECTOR ADJUSTMENT CONNECTOR CONNECTOR BIAS ADJUSTMENT 43 ADJUSTMENT OF DECK amp TORQUE 4 Torque Measurements PLAY TW2121 REV TW 2412 FWD PLAY TW2111 FWD Test cassette REW Torque Gage TW 2422 REV PLAY TW2121 REV F FWD REW TW2231 w women 7 BACK TENSION PLAY TW2111 FWD TAPE TENSION Driving power cassette 5 Replacementof Head Lead Connection Method of Rotary Head 1 Fix the leads from the head at the stem with
37. 2451 x 5201 Bs 100 2 100 16 02461 RS C2454 ri a 255181562 8 5267 8 SvR23 10K 1 R2463 d i ws 02302 RN2207 R2460 100 lt R2807 R 3 3K EET 06 58 2 on 0 gt 58391 SC1815GR 02802 25 2878 R2710 100K 38 39 WIRING DIAGRAM TUNER amp FRONT 30 25 2 Gi 6 28 8 i AUTC_TUN O 5 gt 4 bi 4 gt o UTew 1 2252 131 82507 sg SFE Doo c x 2509 S Cb 20005 i rai TO CO MICON zu to Sonig 40 CN132 CO EF FRONT PCB FASE pes P TN 8 C2318 JAM 2121 22258 pu SEQ wr mex T 02452 7 I 109 ij i du C2216 2208 ak 14 4 up s 8 3 305 a Se RA 722022 7 5 v sfr edd BLOCK DIAGRAM CD DAC D A CONVERTER M OWENA 04 05 DIGITAL SIGNAL PROCESSOR 8 J lt GA 92 2090 OVC e 2 assa cs pue sa 25 CO w e 2112 5 ee GO en 78 8 gt B
38. 736 D ud 9 03101 gaj 03730 X 9 25014585 5 5 2350 4 3 227 2 T 03102 qu N Li m i a BMILAM 55 E 2 a 5 E O c3e50 3 58 55 3 an Q ss 5 8x 88 88 i i 8 Pd 2 5 13 a 1 site a 03105 5 BAILAM lt gt d 8 2 x 455 Et ax m 5 i p 1 x 5 3 P aa 8 2 ET Fi 8 3 s 8 1 5 3 Spies 83304 Sx d 610 5 5 H10UB 83729 85 x Fi 1 iud 25 8 5 2 5 2 19 2 i DECK 1 109 95309 3 w 5 6 2 1 95305 Q A u 11 9 B 35 lll 8 COMMON USE 12 11 8 11 8 19 715 L z O 9200 13 11 0 111 0 5 2 2 lt gt 2501815 1257945 3 3 5 i 03323 8 516802 e 4 95205 56 A 25 1815 2 945 r2SC1740S 5 5330 9 03302 83704 C3706 Asia 5 i 2541015 254735 5 6 i 5595 H E 03 21 3103 3125 5126 3 08 5255 12351 10374 8 3 89 5 222 r 96 14469 01204 o 1BA LL AM rm D NO REC OTHER 1 Rec T OFFER 2 earn 1 x2 a a 05122 3107 3151 2899 RA R 8 01 L 9 ll 15 9 0TA144E5 RN220463NiLAM 5 5833 2 11 9 11 9 2 7 2 HIDUB 55 oc 2 63 54 3109 5 5 3 6 9 3 9 11957068621 E D c144T94 BAIL AZ 25 4 6 0 6 0 4 9 03121 3102 3103 3 04 3106 i 88 5
39. 878 CARBON 33 JB 1 4W POTENTIOMETER 10K B VCO SEMI FIXED 10 VCO TRANS 10 7 2 RESONATOR 7 2MHZ RESONATOR 7 2MHZ CD MAIN P C BOARD ASSY met no ASSY PCB CO MECHA SOCKET 13 PICKUP FFC PLUG 4P FOR MOTOR PLUG SWITCH SOCKET 22P TO CD MICON FFC SOCKET 22P TO CD MICON FFC IC LA9210M IC LA6524 LC7866E 5 587005 XRA15218F BA15218F 2SA1037K R 2SC2412K R TR 2SC2412K R POTENTIOMETER 10K B T BAL TERMINAL TEST POINT RF TERMINAL TEST POINT FE TERMINAL TEST POINT TE TERMINAL TEST POINT GNO TERMINAL TEST POINT PLL RESONATOR 16 93 2 CD MICON P C BOARD ASSY ASSY PCB CO MICON DL ELECT 0 047 7 5 5V FOR MICON BACKUP ELECT 1000U M 6 3V POLYESTER 1000P K 50 POLYESTER 1000P K 50V ELECT 2200U 16 FOR 9V ELECT 1000U M 16V FOR 9V PLUG 13P CD FRONT PLUG 6P CD FRONT SOCKET 22 22 CD MECHA SOCKET 19P CT DA UNIT DIODE 05442 DIODE 182473 ZENER DIODE GZA3 9Z ZENER DIODE MTZ3 9B DIODE 05442 DIODE 152473 DIODE 05442 FOR IR DIODE 152473 FOR IR DIODE DSF10C DIODE 1SR35 200A DIODE DSF10C DIODE 15835 200 DIODE DSF10C DIODE 1SR35 200A DIODE DSF10C DIODE 15835 200 DIODE 152473 DIODE 05442 IC UPD75116GF F56 3BE 5278005 NJM79L05A IC 78105 FILTER CH
40. ANCE FRONT SP KNOB LEVER EJECT 55 5 8 KNOB LEVER EJECT MAIN MECHA A CN001 ASSY BUTTON ASSY CONNECTOR S 8P ASSY BUTTON PLAY MAIN MECHA B CN002 FIXER AC CORD ASSY CONNECTOR S 9P SPECIAL SCREW PHONO GND PRE DECK CN301 ASSY CONNECTOR S 9P MAIN DECK CN302 ASSY CONNECTOR S 2P E HEAD CN341 ASSY CONNECTOR S 3P P HEAD CN381 ASSY CONNECTOR S 5P R P HEAD CN382 Description ASSY LID CASSETTE TAPE 55 110 55 LEVER EJECT L LEVER EJECT R SPRING TENS EJECT GEAR ASSY CASSETTE DUMPER PRE AMPLIFIER P C BOARD ASSY MOUNT M DUMP GEAR FIX SPRING WIRE CASSETTE OPEN SPRING WIRE CASSETTE OPEN 55 2127 ELECT 1000U 6 3V FIXER OECK PCB MT POLYEST 0 082U J 63V BRACKET M HEAT SINK MT POLYEST 0 270 J 63V SHIELD RCA MT POLYEST 0 033U J 63V FIXER MAIN PCB MT PLLYEST 0 10 J 63V FIXER DRESS LEAD POLYESTER 0 10 50V POLYESTER 0 10 J 50V POLYESTER 0 10 J 50V POLYESTER 0 0560 3 50V FIXING PARTS m MT POLYEST 0 082U J 63V Ret Description MT POLYEST 0 270 J 63 You SCR S TPG BIN 2 6X8 MT POLYEST Q 033U J 63V SCR S TPG BIN 2 6X10 MT PLLYEST 0 10 J 63V SCR S TPG BRZ FLG 3X6 POLYESTER 0 10 J 50 SCR S TPG BIN 3 8 POLYESTER 0 10 J 50 SCR S TPG BRZ FLG 3X8 POLYESTER 0 10 J 50V SCR S TPG BIN 3X10 POLYESTER 0 0564 J 50V
41. Amplifier Wow and flutter Below measurable limits Output power 27 W x2 8ohms 10 distortion General Graphic equalizer 7 band electronic Dimensions approx 270 W x 178 H x 278 D mm Spectrum analyzer 7 band Weight approx 2 9 kg INPUTS PHONO 2 5 mV 50k ohms VIDEO 250 mV 50k ohms SPEAKER SYSTEMS Outputs SUPER WOOFER OUT 600 mV 2 way bass reflex SPEAKERS ohms Unit used Woofer 13 cm cone type PHONES 8 5 Tweeter 5 cone type General Power handling Power requirements AC 230 240 V 50 Hz capacity Max 40W peak Power consumption 75 Nominal impedance 8 ohms Dimensions approx 270 W x 178 H x 317 D mm Dimensions approx 178 W 356 H 220 D mm Weight approx 5 2 kg Weight approx 3 6 kg Per sperker REMOTE CONTROLLER RB D30 Power requirements DC 3V R03 AAA UM 4 Battery x 2 Dimensions approx 58 w x 18 D x 186 H mm Specification subject to change without notice SYSTEM CONNECTION ch speaker 1 ch speaker Active super woofer Input Video equipment Audio outputs To connect push the middle of the plug and insert it until To disconnect it clicks AC outlet CD player Tuner Timer Cassette deck Amplifier
42. C pow er supply to the loading sled motor 38 and set the tray open and end switches to the off open positions 2 Check that the pickup CM52 moves smoothly without stop ping from the inner circumference of the compact disc to ward its outer circumference when DC 0 6V voltage is ap plied from the DC power supply 3 The disc tray is housed inside and the gear CM9 slips when a DC 4V voltage is applied from the DC power supply Check that the ammeter indicates 120mA or more at this time_ SLED MOTOR CM38 ATTACHMENT ANGLE SPINDLE OF MOTOR MOTOR AMPERE VOLTAGE METER 0 6V A LOADING SLED MOTOR TRAY OPEN END SWITCH MECHANISM REMOVAL CD 4 Check points for CD mechanism assembly and 3 Installing the base up down slide and timing gear lubrication 1 Move the base up down slide CM14 in the direction of the 1 Lubricating and mounting the tray slide 1 Apply grease FLOIL G 4748 to the area indicated by the di agonal in the figure arrow and set the gears at the positions shown in the figure 2 Insert the timing gear CM23 and mount it using the screw CM21 3 Turn the timing gear CM23 counterclockwise 2 When inserting the tray slide CM15 set the position where it is installed vis a vis the base tray timing gear CM20 as shown in the figure TIMING GEAR UP DOWN CM23 SLIDE CM14 UP DOWN SLIDE CM14 TRAY SLIDE 27 CM15 SCREW
43. DC voltage Peak Hold Level Bottom Hold Level of the traverse signal is OV See figure right side If it were not for obtain waveform at the right figure re peat item 2 1 2 3 Focus Gain Confirmation Focus Error through the Band pass filter See BPF Figure Turn on the power of the unit Play back the test disc TP3 ov TE Set the output of AF oscillator to 400Hz 0 5V rms and connect to pin 24 IC101 through the resistor 120k ohms Confirm so that the voltage of the signal waveform on the storage scope is 0 5V p p 3db by through BPF f this CONFIRMATION is imperfect become weak the mechanical shock inferior playability and can not playback the Disc 4 1 AF OSCILLATOR MAIN PCB OSCILLOSCOPE or STORAGESCOPE BAND PASS FILTER Tracking Gain Confirmation Connect the storage scope to through the Band pass filter See BPF Figure 2 Turn on the power of the unit 3 playback the test disc 4 5 Set the output of AF oscillator to 400Hz 0 5V rms and connect to pin 14 1 101 through resistor 47k ohms Confirm so that the voltage of signal waveform on the storage scope is 0 5V 3db by through BPF if this CONFIRMATION is imperfect become weak the mechanical shock inferior playability and can not playback the Disc AF OSCILLATOR MAIN PCB OSCILLOSCOPE or STORAGESCOPE BAND PASS FILTER 13 PARTS LIST
44. Do not connect the mains lead to an outlet until all connections have been made The system is not disconnected from the mains unless the mains lead is unplugged from the AC outlet Headphones Connect stereo headphones 8 ohms to 10 kohms not supplied to the Speakers PHONES socket for monitoring or for private listening The speakers are When connecting the speakers make sure that and polarities are automatically disconnected when headphones are connected matched property Otherwise the sound may appear to be lacking in the bass range and in stability Note Connect the speaker wire with the stripe to the red terminal and the Before connecting external equipment please refer to the instruction other wire to the black terminal manual provided your equipment OPERATING THE RESET SWITCH This CD TUNER and TAPE DECK PRE AMPLIFIER unit is provided with a reset switch on the rear panel The reset switch serves to ini tialize the microprocessor in the each units which controls the CD TUNER TAPE DECK and etc block If the unit is to be serviced or key input is not acknowledged even when the TUNER TAPE DECK and etc operation buttons are pressed press the RESET switch and initialize the microprocessor following the step below 1 Disconnect the AC power cord from the power outlet 2 Keep the RESET switch depressed for 60 seconds The backed up electrolytic capacitor is discharged by keeping the
45. EF1 BK Reference Voltage 1 SISI JI SJ NE NJ SN npn WIN o ool 9 20 sat BLOCK DIAGRAM CD 103 pPD75116 F56 CD Micro Processor pW No SIGNAL NAME 3 co mute ___ pat Control Signal of Analogue Muting O O __ gt 40 Control Signal of Power Supply for CD Circuit pu INE 1 POW mac SING Used 2 hn ee a a ERE o Function Control C Signal o S S SS S o 5 des PS Function Control B Signal S S oOo c Br 6 ra 90 Function Control A Signal o 7 RESET RESET System Rest _ U 8 x2 e ss 3 x1 5 X ali Detection Signal of the Stoppage Failure of Electricit 12 v Deci P Detection Signal in of Voltage Drop oO 1 13 MUTE 260 Control Signal of Tuner Muting 4 P73 o o Not Used Ground o O O dS INC s Not Used Ground T d 16 DUBIN JS RZE Dubbing Signal Function Signal for Tape Deck ET 8 Ine i Not Used Open o o oo 0 cj NG Not Used Open O Select Signal for CLV Constant Linear Velocity Gain Data Out to AD Micro
46. Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Pin 65 55 pe pe pes mina Stop Mode 0 4 0 5 0 5 0 4 82 4 97 4 83 5 0 0 Flue Fluc Fluc Fluc Flue Fluc Fluc A Fluc bie e o am a remige T 3 T Stop Mode 0 0 Play Mode E 5 0 5 5 0 5 0 Stop Mode 0 Par Mode 5 0 rg ee Stop Mode 0 Play Mode 5 0 ne _ Stop Mode 27 Play Mode w NOTES PIN 4 Stop Mode OTHER eins Stop Mode OTHER PIN 6 Stop Mode OTHER Play Mode TAPE amp TUNER Play Mode amp PHONO Play Mode TUNER AV amp CD PIN 16 Stop Mode OTHER 23 Stop Mode ON THE DISC PIN 37 Stop Mode OTHER Play Mode WAIT THE SYNCRO Play Mode ON THE NO DISC Play Mode CLOSING THE TRAY PIN 39 Stop Mode OTHER PIN 62 Stop Mode EMPHASIS ON Play Mode OPENING THE TRAY Play Mode EMPHASIS OFF 104 LC7866E ECS CF SE OE SP COTW OTIS Stop Mode 0 2 31 2 34 2 51 2 46 2 48 2 52 4 92 0 2 51 4 07 4 07 Play Mode Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc Fluc wee jaj s ja wj m Jamna jaa Stop Mode 4 07 2 5 0 4 95 4 97 5 0 1 25 1 25 Play Mode _ Fluc Fluc Fluc Fluc 5
47. LL TR 2SK193 ML TR 25 1923 TR 25 1923 TR 25 380 0 TR 2SC1815 GR TR 2SC945A K TR 2SA1015 GR TR 2SC1815 GR TR 2SC945A K TR RN2207 TR 1 4 TR DTA114YS TR RN2207 TR 1 4 TR DTA114YS TR RN2207 TR BN1A4P TR DTA114YS TR 25SC1815 L GR TR 2SC1815 L Y TR 2SC1815 L GR TR 2SC1815 L Y BUTTON TIMER ETC BUTTON BAND ETC BUTTON TUN PRESET BUTTON CD BUTTON CD SKIP BUTTON CD OPEN CLOSE CHASSIS Pret No pano TABLE LOADING CD MOUNT M CD MECHA BRACKET E TU PCB BRACKET E CD PCB MOUNT E TU PCB RUBBER CUSHION MECHA FLOAT SPECIAL SCREW MECHA FIX LABEL LASER BEAM CAUTION FIXING PARTS retno patw oem ELECTRIC PARTS BG ARR TUNER P C BOARD ASSY mt no Pareno beim 2 ASSY PCB TUNER MAIN SHIELD PLATE SYMBOL SIDE SHIELD PLATE PATTERN SIDE POLYPRO 1000P J 100 NP ELECT 1U Q 50V FILTER 10 5MHZ FM FILTER 10 5MHZ FM FILTER 450KHZ AM CERAMIC FILTER 450KHZ 14 PARTS LIST TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 25 945 TR 25 2878 TR 25 2878 TR 2SC1815 GR TR 25 945 TR 2SA933S S TR 2SA1048 Y TR 25 17405 TR 2SC1740S S TR 2SC2458 GR TR 2SA933S R TR 2SA933S S TR 2SA1048 Y TR 2SC1740S R TR 2SC1740S S TR 2SC2458 GR TR 2SC1740S R TR 2SC1740S S TR 2SC2458 GR SWITCH TACT RESET RESONATOR XTAL 4 19MHZ TR 25 2878 TR 25 2
48. OKE 10UH INDUCTOR FERITE CD OUT L CH INDUCTOR OUT R CH TR 2SA933S R TR 2549335 5 TR 2SA1048 Y TR 2SC1740S R TR 25 17405 5 TR 25 2458 6 TR 2SA933S R 407 004 9105 407 012 3300 407 004 9105 407 012 3300 407 004 9105 407 012 3300 407 004 9105 FRONT ASSY Description ASSY PCB FRONT REFLECTOR LCD SHEET LCD SCR S TPG BIN 2 6 8 SOCKET 13P CD MICON PCB SOCKET 6P CD MICON PCB SOCKET 14P TUNER PCB DIODE 151588 DIODE 152473 DIODE DS442X DIODE 151588 DIODE 152473 DIODE DS442X UPD75306GF 225 3B9 FILTER CHOKE 100UH LCD LIQUID CRYSTAL DISPLAY SWITCH TACT OPEN CLOSE SWITCH TACT PLAY PAUSE SWITCH TACT STOP gt gt gt gt gt gt gt 2ARTS LIST EXPLODED VIEW TUNER amp CD UNIT A Y6 Description SWITCH REPEAT CL 1706 CD AH 52515 SWITCH TACT CD MEMORY L 170G6 CD BH 52516 SWITCH TACT C REC CL 170G CD CH 152517 SWITCH TACT CL 170G CD AH 52518 SWITCH TACT TIME FADE CL 170G CD BH 2521 SWITCH TACT CLOCK CL 1706 CD CH 2522 SWITCH TACT SLEEP CL 170G CO AL 52523 SWITCH TACT WAKE UP CL 170G CD BL 52524 SWITCH TACT TIMER CL 170G CD CL 52525 SWITCH TACT PSP DOWN CL 170G CD AH 52526 SWITCH TACT CL 1706 CD BH 2527 SWITCH
49. OMP BACK TENSION L ASSY LEVER PINCH LEFT ASSY LEVER PINCH LIGHT SPRING WIRE PINCH LEFT SPRING WIRE PINCH RIGHT LEVER BRAKE R LEVER BRAKE L SLIDE DOOR LOCK SLIDE DOOR LOCK SLIDE EJECT RELAY SLIDE EJECT RELAY SPRING TENS EJECT RELAY MAGNETIC COIL SOLENOID ASSY PCB MECHA SHIELD HEAD PCB PCB P LEAD RELAY PCB R P LEAD RELAY LEVER D SLIDE LOCK SPRING WIRE LOCK LEVER LEVER HEAD SLIDE UP A LEVER HEAD SLIDE UP B ASSY SLIDE HEAD SPRING WIRE HEAD SLIDE 614 220 1190 614 220 0338 614 220 1626 614 219 9770 614 222 8968 614 222 8975 614 220 0148 614 220 1312 614 232 5414 614 220 0131 614 220 1688 614 220 1329 614 220 1183 614 219 9763 614 220 1833 614 220 0292 614 220 0308 614 220 4900 412 012 7609 614 220 0063 614 220 1336 614 226 5543 412 031 2005 GUIDE TAPE ASSY BRACKET E HEAD LOCATE HEAD REC PLAY HEAD PLAY GEAR HEAD ROTARY SPECIAL WASHER HEAD THRUST LEVER SECTOR SPRING WIRE HEAD CLIC SPRING COMP AZIMUTH COIL SPECIAL SCREW AZIMUTH BISS SPRING WIRE HEAD SLIDE GND LEVER R F A SPRING TENS PLAY LEVER RSET SPRING TENS HEAD SILEO CONT LEVER R F B GEAR R F MOVE PIPE R F MOVE GEAR FIX GEAR D CAM LEVER MAIN TRIGGER LEVER SUB TRIGGER SLIDE DRIVE SPRING WIRE D SLIDE RESET SLIDE A B MECHA CHANGE SPRING TENS CHANGE SLIDE SPRING TENS TRIGGER INNER FORCE ASSY SLIDE HEAD CHANGE SPRING WIRE CHANGE SLIDE
50. ONT OISPLAY PCB CN553 CN50 SPEAKER CONTROL TO FRONT OISPLAY CN551 70 71 g 4929 B g o 8 OD Slo 49 TT gt 4 wu 8282 1 L Tep 1404810820678 Rak TO PRE AMPLIFIER PCB CN491 Per TO CO TUNER UNIT CN4t3 CN412 TO PRE AMPLIFIER PCB 4 RING CONNECTION DECK AMPLIFIER UNIT FRONT DISPLAY P C B FLEXIBLE FILM RIBBON CORD LED LC D BACK LIGHT FRONT SWITCH P C B REC FRONT SWITCH 2 PC B PLAY PEGULATOR IC PC B BOARD 5 MECHANISM P C B PT PRIMARY PC B a Lu SPEAKER TERMINAL HAFA To 442 BOARD BOARD TO BOARD x 12 CN802 CNBO BOARD TO BENKER R M BOARD TERMINAL POWER pes SE AMPLIFIER P C B 501 CD TUNER UNIT PHONO IN VIDEO IN EXT SP CONTROL 72 73 BLOCK DIAGRAM TAPE DECK AMPLIFIER mecs 1 10 PRE AMPLIFIR PCB A 8 C RCME SELECT SWITCHING C3103 3104 DOLBY REC PLAY SWITCHING TO POWER AMPLIFIR PCB BLOCK DIAGRAM FRONT PODAT 2 FROM ITO CH TARE
51. OWER AMPLIFIER TO FRONTPCB oo rmm SEE elza gale JE E TO MECHA CON EE PEF Gap LIS 9 E 2 EC PE i 48 TAPE 0 DpfRO m 1 rej CN322 1 REV LED LED 1 6P H 5 Soar 0 ctl WIRING DIAGRAM POWER AMPLIFIER DECK AMPLIFIER PCB 202 TO FRONT SWITCH 1 PCB CN32 PT PRIMARY PCB TO FRONT SWITCH 2 PCS CN322 lt 7250 240 5 543 RINT SPEAKER TERMINAL R CH L CH JB ll 94745 IMM PITCH 178 2417 _ 5 ceu 3i mans CMKS 81X miei RIRS 05 015 72 ole C4829 84725 J 21 E G372F Sl 22726 4722 44722 SPEAKER TERMINAL PCB TO FR
52. Processor uPD75512 Oo 22 5 9 ________ Clock Out to AD Micro Processor uPD75512 223 Indicator ee Data Out to Sub Micro Processor uPD73508 O 25 SUBSCK P90 7 Clock Out to Sub Micro Processor PD73508 ee Busy Signal In from Sub Micro Processor PD73508 229 wRQ DSP Digital Signal Processor Interface Sub Request 30 iR __________ P10 INTO Infrared Ray Receiving Remocon Signal 11 _31 ________ Input Signal z Key Input Signal 3 KEY1 Rey Input Signal m Input eie 35e ne R x Not Used MET NG os ep NOt Used Open ee 37 CLOSE 229327 Control Signal of Tray 22 22 2122 o o o dd 38 CLK OUT P22 PCL Clock Signal for Adjustment 39 OPEN _______ P21 PTO1 _ Control Signal of Tray Open 40 _________ P20 PT00 DSP Digital Signal Processor Interface Command Latch SI DSP Digital Signa Processor Interface Sub Q Data 2 50 DSP Digital Signal Processor Interface Command Data DSP Digital Signal Processcr Interface Clock 44 ___ POOVINTA ______ DRF Signal 1 4s opn sw ______ 123 ________ Switch Detection Signal for Open End of CD Tray
53. RATION MODE NUMBER STATE OF CD ERROR Focusing is not possible in focus search The subcode is not input during disc startup 4 he tocos was ost while the servo was on 6 The tay dost not open completely SS TABLE 4 DISPLAY OF CD ERRORS 11 CD ADJUSTMENT Electrical Adjustment So far we have presented explanations regarding compact disc player handling notes prior to repair handling the pick up and disassembly of the unit Be sure to carefully read these instructions before making any adjustments Preparations for Adjustments Measuring instruments tools and filter 1 Test disc YEDS 18 Sony 2 Oscilloscope 555711 10MHz or dual phenomenon or Memoryscope 0556521 Storagescope 3 Digital voltmeter Input impedance 1Mohm or more New optic unt 10K O ly TP _ Oscillo Scope or TP3 0 022 p 100K GND GND BAND PASS FILTER 4 Oscillator 400 2 300mV RMS 5 Frequency Counter 5MHz or more 6 Screw drivers non metalic for adjustments 7 Band Pass Filter 8 AC Voltage Meter Notes a The adjustments can be using the equipment produced by other manufactures provided that the performance of that equipment corresponds to that of the above listed models b Use a 10 1 probe for observing signals on the oscilloscope and storage scope c Test disc is subject change without notice 1 Initial set Set the SVR11 at its
54. RESET switch depress 3 Reconnect the AC power cord to the power outlet 4 Press the CD TUNER TAPE DECK and etc operations and check their operation PARTS LIST PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing Components identified with the IEC symbol AS in the parts list and the schematic diagram designate components in which safety can be of special significance When replacing a component identi fied AA use only the replacement parts designated or parts with the same ratings of resistance wattage voltage that are desig nated in the parts list in this manual Leakage current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer CAUTION Regular type resistors and capacitors are not list To know those values refer to the schematic diagram N S P Not available as service parts PACKING ACCESSORIES Description INSTRUCTION MANUAL ANTENNA FM LOOP ANTENNA m SCR WOOD RND 3 1X13 AM ANT ASSY CONNECTOR P 19 CD TUNER DECK AMP UNIT 614 244 4115 614 232 6671 614 234 5511 411 083 9307 614 239 5288 INNER CARTON PAD TOP PAD BOTTOM SHEET CT UNIT SHEET CD TRAY SHEET DA UNIT INNER POLYE COVER CT UNIT INNER POLYE COVER DA UNIT POLY COVER REMOCON INNER POLYE COVER INST amp ACCESSORY INNER POLYE COVER SCREW
55. SWITCH TACT DIR SWITCH TACT DOLBY SWITCH TACT DUB SWITCH MUTE SWITCH TACT REC FRONT SWITCH 2 P C BOARD ASSY vanno 614 239 9071 ASSY PCB FRONT 42 614 243 0897 ASSY CONNECTOR S 6P MAIN AMP 408 013 3207 LEO SLZ 381C 09 A T1 FOw PARTS LIST Description LED SLZ 381C 09 8 T1 FOW LED SLZ 381C 09 A T1 REV LED SLZ 381C 09 8 T1 REV SWITCH TACT STOP SWITCH TACT SWITCH TACT SWITCH TACT F LF SWITCH LED LCD BACK LIGHT P C BOARD ASSY ASSY PCB LED ASSY CONNECTOR S 2P TO Description CL 170G CO AL CL 170G CO BL CL 170G CD CL CL 170G CD AH CL 170G C0 BH 1706 0 1 1706 0 CL 170G CD BL CL 170G CD CL TAPE DECK AMPLIFIER P C BOARD ASSY FRONT LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED ED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED LED ED LED LED LED LED LED LED LED LED LED LED LED LED LED LED CL 1706 CD AL CL 170G CD BL CL 170G CD CL CL 1706 CO AL CL 1706 C0 BL CL 1706 CO CL CL 1706 CD AH CL 1706 CO BH CL 1706 CO CH 1706 0 CL 1706 C0 BH CL 170G CD CH 1706 0 CL 170G CD BH CL 170G CD CH CL 1706 CD AL C 1706 C0 BL CL 1706 CD CL CL 170G CD AL CL 170G CO BL CL 1706 CO CL 1706 0 CL 170G CO BL CL 1706 CO CL CL 1706 CD AH CL 1706 CO BH
56. Service Manual SANYO Mini Component System DC D30 Contents SPECIFICATION 9 SYSTEM CONNECTION OPERATING THE RESET SWITCH PARTS LIST PACK amp ACCESSORIES PARTS LIST REMOCON TUNER UNIT TUNER ADJUSTMENT LASER BEAM SAFETY PRECAUTION CD MECHANISM REMOVAL CD SERVICE MODE CD ADJUSTMENT PARTS EXPLODED VIEW CABINET amp CHASSIS EXPLODED VIEW CD MECHANISM PARTS LIST CD MECHANISM IC BLOCK DIAGRAM LCD BLOCK DIAGRAM CD VOLTAGE TABLE SCHEMATIC DIAGRAM FRONT CONNECTION DIAGRAM SCHEMATIC DIAGRAM CD WIRING DIAGRAM CD PRODUCT CODE No 129 374 05 SCHEMATIC DIAGRAM TUNER 38 WIRING DIAGRAM TUNER amp FRONT 40 BLOCK DIAGRAM CD 42 TAPE DECK AMPLIFIER UNIT DECK ADJUSTMENT 43 EXPLODED VIEW CABINET amp CHASSIS 45 PARTS LIST 555 ERAT aA a 46 PARTS LIST TAPE MECHANISM 52 EXPLODED VIEW TAPE 53 BLOCK DIAGRAM 54 LCD
57. T SOCKET 4P TO MAIN AMP 0100 155133 DIODE GMAQ1 DIODE 155176 FUSE HOLDER FOR 0701 FUSE HOLDER FOR FU701 FUSE HOLDER FOR 0801 FUSE HOLDER FOR 0801 CARBON 6 6 38 CARBON 330 28 CARBON 6 JB CARBON 330 JB RELAY SPEAKER FRONT P C BOARD 55 Description 614 243 2334 ASSY PCB FRONT 614 241 9151 REFLECTOR LCD 614 238 8037 SHEET LCD 614 241 0752 SOCKET 17 MAIN AMP 614 017 3833 PLUG 4P TO SP TERMINAL JACK PHONE PLUG PRE AMP LED SLZ 1908 09 T2 STAND BY DIODE 6 01 DIODE 155133 DIODE 1 DIODE 155133 LED SLZ 181C 15 T2 VIDEO LED SLZ2 181C 15 T2 PHONO LED SLZ 181C 15 T2 TUNER LED S5L2 181C 15 T2 TAPE LED SLZ 181C 15 T2 CD LED SL2 381C 15 T2 0 BASS LC7582 LCO LIQUIO CRYSTAL DISPLAY TR RN1202 TR 4 TR DTC114ES TR 2SC1815 GR TR 2SC945A K TR BA1LAZ TR DTC144TS SWITCH TACT POWER SWITCH TACT FUNCTION SWITCH TACT VOLUME DOWN SWITCH TACT VOLUME UP SWITCH TACT EQ SWITCH TACT BASS EXPANDER SWITCH TACT DISPLAY SWITCH TACT FREQ MEMO SWITCH TACT PRESET SWITCH TACT 0 VR ROTARY BALANCE FRONT SWITCH 1 P C BOARD ASSY ASSY PCB FRONT SW t ASSY CONNECTOR S 6P TO MAIN AMP LED SLZ 181C 09 A T1 REC LED SLZ 181C 09 B T1 REC LED SLP 381C 51 AB TAPE LED SLP 181C 51 A TAPE B LED SLP 181C 51 B TAPE B TR DTA114ES TR RN2202 TR BNLA4M TR DTA114ES TR RN2202 TR BNIA4M SWITCH TACT A 8
58. TEREO COMPENSATOR R ADJ LAMP SEPARATION OUTPUT 24 108 79105 3 Terminal Voltage Regulator INPUT 201 LA2165 Tuner IF System AM IF FM IF IN IN POST AMP M CURVE TET AM RF IN 2 our iC203 LM7001 PLL Frequency Synthesizer XIN gt REFERENCE DIVIDER PROGRAMABLE DIVIDER rer SHIFT REGISTER LATCH BLOCK DIAGRAM FRONT 1 251 pPD75306GF 225 3B9 Tuner amp LCD Driveing Micro Processor 1 sesiz _______512 ________ Segment of Liquid Crystal Displa aes DJ 2 58613 S13 Segment of Liquid Crystal Display Benem of Liquid coste Display a 58615 sis ________ Segment of Liquid Crystal Display o 5_ 66 S16 Segment of Liquid Crystal Display lt 6 sec _ si Segment of Liquid Crystal Display T o 7 __ 5618 148 5 Segment of Liquid Crystal Display 8 __ 5 619 1949 of liquid Crystal Display J LCD 9 __ 5 620 _ s20 of Liquid Crystal Display 10 604 1821 Segment of Liquid Crystal Display 11 562 2 Segment of Liquid Crystal Display 12 5622 22 Segment of Liquid Crystal Display J 13 secza 7 1524 Segment of Liquid Crystal Display 14 52625 _______ 525 8 1 Segment of Liquid Crystal Display
59. TZ5 68 ZENER DIOOE MTZ5 68 ZENER DIODE MTZ5 1B ZENER DIODE MTZ6 8C ZENER DIODE MTZ6 8C 04309 TR OTC144TS TR 1147 TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 2SC945A K TR 2SC1815 6R TR 25 945 TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 25 945 TR 2SC1815 GR TR 2SC945A K TR 2SC1815 GR TR 2SC945A K RESISTOR 100K X8 RESISTOR 100K X8 RESISTOR 100K X8 RESISTOR 100K X8 SWITCH BEAT CANCEL SWITCH BEAT CANCEL SWITCH TACT RESET MAIN AMPLIFIER P C BOARD ASSY ASSY PC8 MAIN AMP ELECT 2200U M 35V ELECT 2200U M 35V ELECT 2200U M 35V ELECT 1000U M 6 3V PLUG 8P TO MECHA A PLUG 8P TO MECHA B PLUG 9P TO DECK AMP PLUG 6P TO FRONT 591 PLUG 6P TO FRONT SW2 ASSY CONNECTOR S 4P SOCKET 17P TO FRONT FFC SOCKET 4P TO SP TERMINAL SOCKET 3P TO REGULATOR IC SOCKET 3P TO REGULATOR IC SOCKET 5P TO P T SEC SOCKET 5P TO P T SEC ARTS LIST 1006 1007 200 201 202 300 301 4401 402 803 404 500 501 700 900 901 PPRPPP Description SOCKET 3P TO P T PRI SOCKET 19P TO CD TUNER UNIT PLUG 10P TO
60. _______ 2 Van Not Used Ground OSC X tal Terminal for Main Clock 1 Not Used Open OSC X tal Terminal for Main Clock s57 Ine za _ _ i X ta Out 60 54 2 24 60 Ci Select Signal for CLOCK 24H Open 12H Vss See Select Signal for AM IF SET Open NOT Vss Select Signal for D amp S Series SET Open NOT 48 Mute 2 0 Tuner Mute Signal ACTIVE HIGH LEVEL TUNER 63 MoNO D P63 KR3 Compulsion Monaural For D Series ACTIVE HIGH LEVEL O TUNER 64 oot 1 Pz0 KRA Data Signal from LM7001 For D Series TUNER Data Signal from LM7001 For D Series o TUNER 25 BLOCK DIAGRAM FRONT CE D ________ 72 6 Data Signal from LM7001 For D Series PCON D P73 KR7 7 Tuner Power Signal For D Series HIGH LEVEL PRESET RESET lisystem Reset Signal __________________ seso Jso 7 Segment of Liquid Crystal Display 12 lei 1 4 __________ Segment of Liquid Display Segment of Liquid Crystal Display 1 2 Segment of Liquid Crystal Display ________________ Segment of Liquid Crystal Display CT Segment of Liquid Crystal Display 142 GER
61. ctions Enter this mode by pressing the OPEN CLOSE key during the service mode entry state See note The entire LCD goes out once this mode is entered In this mode one segment of the LCD lights each time the OPEN CLOSE key is pressed Press the SET CLEAR key to exit this mode and return to the normal mode 5 System connector checking mode Enter this mode by pressing the BAND key during the service mode entry state Before entering this mode connect jig at the beginning of the system connector cord as shown in Figure 2 In this mode check the signal connections shown in Table 2 for the set s CT unit and system connector cord The results of the checking of connections appear on the LCD as shown in Table 2 Press the SET CLEAR key 0 release the system connector checking mode and return to the normal mode 2 2k GND BUSY TA AF N CT UNIT SYSTEME EO DUB IN NECTOR CORD S SCK TE 0 FIGURE 2 CONNECTION DURING THE SYSTEM FIGURE 3 CIRCUIT DIAGRAM OF THE CONNECTOR CHECKING MODE CONNECTOR CHECKING JIG DISPLAY 1 RARE 0 is N G 6 O ae All OK SCK is N G Note With the D series the system connector checking mode cannot be entered when the SCK AD unit connection is defective TABLE 2 DISPLAYS DURING SYSTEM CONNECTOR CHECKING 6 CD tracking balance adjusting mode Enter this mode by pressing the PLAY PAUSE key during the service mode entr
62. e is released when the power is turned off HE earn har been begun Focus search has been begun waning or H3 pee 2 HS ctv and wracking se 1 bon and wacking ae ON ocus search has been completed BD Trey doo has begun Lg Trey dosna Bp retum direction progress EEM voc reading has been completed L point access REV64 track jump L point access FWD64 track jump mwmsmsbgn B3 B5 Pause 1 track jump HB Pause Music access has begun Ej Music access high speed access has begun LAE Hd Pick return external direction is in progress Tray closing pick return has been completed Spindle braking has begun Spindle braking is in progress HB Pick return sin progres Spindle braking and pick return have been Af completed n n m SE meme etenn 3 j j Music access high speed access has been completed Music access high speed access has been completed 55 HB Music access REG akin HH Most acces ums gH Mus acces W016 track um O ETE Music access final stage 52 Playing is in progress skip return operation BU TOC reading has been begun BI TOC reading is in progress TABLE 3 DISPLAYS DURING THE CD OPE
63. e state shown by 2 MECHANISM REMOVAL CD 2 Replacing and lubricating the pickup 1 Pull out the two pickup rails CM43 from the chassis 50 2 The pickup CM52 cam now be removed once the two pick up rails 43 have been taken out 3 When the pickup has been replaced be sure to wipe the two pickup rails CM43 cleanly and apply grease FLOIL G 474B around the entire circumference of the rails and along their entire length 4 Pass the two pickup rails CM43 through the new pickup 52 insert them imto the chassis CM50 and fix them place at an angle of 45 as shown in the figure Notes a When applying the grease do not allow any grease to adhere to any other parts b part indicated by the dots in the figure of 6 474B the chassis CM50 is damaged in the process of re moving or inserting the two pickup rails CM43 from or into the chassis CM50 wipe the damaged area with a cloth dipped in alcohol normal hex ane and bond it together using a bonding agent Cemedine 575 vt 3 Replacing the loading sied motor 1 loading sled motor CM38 can be removed from the chassis CM39 once the screw CM24 securing the motor CM38 is removed 2 Mount the new loading sled motor CM38 onto the chassis 39 using the screw CM24 SHAFT 4 Checking the loading sled motor s operation 1 As shown in the figure connect an ammeter and a D
64. ed the current time advances one minute and the seconds readout changes to 55 seconds If the key is held down the time advances continuously FAST key a concealed key not actually mounted to the set Note For timer debugging the service mode entry state entered by simultaneously pressing the OPEN CLOSE service mode entry key and the BAND key is not necessary 3 Checking the key input signal connections Enter this mode by pressing the MEMORY TUNER key during the service mode entry state entire LCD goes out once this mode is entered In this mode as keys the CT unit or remote control unit are pressed segments on the LCD corresponding to each key on a one to one basis come on i e the lit portions gradually increase Refer to Table 1 KEY DISPLAY DISPLAY D TIME FADE CD MEMORY MEMORY Releases the key checking mode and returns the set to the normal mode TUNING UP TUNING DOWN WAKE UP TIMER SET CLEAR RANDOM RANDOM OPEN CLOSE TABLE 1 CORRESPONDING KEYS AND DISPLAYS IN THE KEY CHECKING MODE COMPUTER REC WIDE CLOCK INTRO RANDOM OFF SIDEA ctu Fa IE TET M UO SHE MCI ON SIDES LEVEL 3114 Hel 218181 Mz TIMER REC DISC ST TRACK AUTO MONO FADE TIME EDIT REPEAT ai 12345678910 1112 13 14 15 ONE ALL CONT FIGURE 1 LCD LIQUID CRYSTAL DISPLAY 9 SERVICE MODE 4 Checking LCD conne
65. i ix AN 36 mU 1 zb 0 47 50 100 10 C2210 c2211 C2212 T 0 01 TU E TU R iav STEP 02351 RN2207 CN24 1 02352 RN2207 AMIN FMIN VDDi VDD2 PDI PO2 VSS 203 LM7001 2 2K 02452 25518150569 R24 1780 1 5 C2108 02102 021 25 12103 5 6 25 1923 15501 12102 2e CT201 2107 MECH 5 952 5 6 as 2 0 SE 2 592 ABER 212105 lt 4 E Sg 28 6 k p 85 5 TT R2108 LAN 55 22 B 897 470K 330 EL O 1 2 21 2132 02123 122 1 Ton 2 21 2120 82106 16 16 0 01 100P 2133 TP201 o 01 15 10 47 50 10K d am 2151 10K AN C2130 E 6 01 go 7 92195 524 Z R2111 C2109 25 1923 eee CY 2 e e ANT T 2140 82 a x R2473 10K 0 01 C2218 a kha 0 022 2219 2227 R2225 10 16 39K 6 8K R2219 00000000000000 N 2 570 DATA CL XIN XOU Bx 5 0 0 Dg S ge 2 4 4 T48T 2 4 020 o V 1 4 2 Lee gasos C2451 5 24 88 8 R2454 100K AN ge R2461 33 A 56K 5
66. initial position of adjustment controls as shown in figure below SVR11 INITIAL SET MECHANICAL SENTER SVR11 TP2 FE TP3 TE TP4 GND 2 Tracking Balance Adjustment SVR11 1 Connect the oscilloscope to TE and TP4 GND 2 Turn on the power of the unit Insert test disc 3 Play back the test disc 4 Continuously press the forward search p or backward search p button to do it TP1 RF 5 Adjust SVR11 so that the TE Tracking Error signal wave form of TP3 on the oscilloscope is vertically symmetrical rel ative to 0 See figure right side f the adjustment is imperfect become run away the sled motor pick up sending motor inferior playability LL mem EY wii i SEARCH gt gt CD ADJUSTMENT 2 Other Adjustment of Tracking Balance SVR11 Set the service mode CD tracking balance adjusting mode Enter this mode by pressing the PLAY PAUSE key during the service mode entry state Pressing the PLAY Pause key in this state turns on the tracking servo and causes playing to begin See service mode 2 Connect the oscilloscope to TP3 TE and TP4 GND 3 Adjust SVR11 so that the TE Traverse signa waveform of 3 Connect the storage scope to 2 TP3 on the oscilloscope is vertically symmetrical relative to OV Or may adjust SVR11 so that the
67. mpact disc and pass the leads from the pickup CM52 and spindle motor CM48 through pin a of the chassis CM39 Arrange the leads from the load ing sled motor CM38 and sensor switch micro switch CM26 by passing them through point b in the chassis CM39 After securing the leads with the lug CM41 check that the pickup CM52 moves smoothly without the leads interfering with its movement 2 If no problems arise in the D check secure the points shown the figure using a bonding agent Cemedine 575 FLOIL G 474B par NOT SLACK CN101 CD PCB CEMEDINE NOTE THE LUG PORTION CUSHION SERVICE MODE Specifications To enter any service mode other than timer debugging first simultaneously press the OPEN CLOSE and BAND keys on the CT unit This accesses the service mode entry state Now press one of the buttons on the CT unit to enter a service mode As the service mode entry state is discontinued after 1 second elapses the system will enter a service mode only if the next key is pressed within one second 1 Confirm the clock When the CLOCK key is pressed during the service mode entry state a rectangular wave with a frequency of fourth that of the oscillating frequency 1 048576MHz is output from the micro processor s port CLKOUT clock output is stopped by pressing either the POWER or SET CLEAR key 2 Timer debugging When the FAST key is press
68. or ON Signal H _ t 40 spRelay _ Speaker Relay ON Signal t _ 2 MUTE 0 20d8 Muting Signal tl __ 2 oMUTE Poweron OT Power ON __44_ 1 0 fvolumeUpsignal __ __ 45 vow pown OT Volume Down Signal M j t 46 ___ Reel Rotate Detection Signal Edge 47 Reet At Reel A Rotate Detection Signat Edge 00102 1 Music Brank 10 s9 infrared Ray Receiving Remocon Signal so ODATA 1 Micon Data from Cr unit Psi Not used vss _52 loc from ct unit 11 53 P DOWN TAC ON OFF Detection Signal 5a Ground 55 1 1 ss 3 5 1 1 s po ta Out 4 19 MH 60 Reset Signal O a er esy mw se osc t 63 rev no _ Reverse Indicator LED Signal t H 62 1720 O Dek A B Selection Signal v8 ACTIV Active Level P OFF Power Off Time Level 55 BLOCK DIAGRAM AMPLIFIER DESCRIPTION orward Indicator LED Signal olby Rec Play Contro Signal D Stop Signat ubbing IN OUT Selection Signa 0 fP ay Muting Signal m cord Muting Signal 2cord Indicator LED Signal 2920 CONTROL IN JD f Not Used vs
69. s pon ENG toco no T WS a rl poe BAND LEVELIN 1 Pass VO IN from BA38265 J VOL LEVEL OC IN 1 Volume Level DC OUT ee ANT ft Key input JESS ACTIV Active Level OFE Power Off Time Level 1 501 826 Band Pass Filter for Spectrum Analyzer Ve LIN RIN NC RO GNO 6402 N C VEE REGULER CURRENT Gz SOURCE 551 LC7582 LCD Driver 1 700 STK4132MKII AF Power Amplifier L CH R CH OUTPUT wcc OUTPUT LATCH amp ORIYER 1 565 LATCH 2 amp ORIVER 575112548 kors HF mom A A ey AMP L ING g INPUT VC GND FEED INPUT BACK MUTING BACK z 56 BLOCK DIAGRAM AMPLIFIER 1C702 802 BU40518 3 Input 8 Channel Multiplexer De Multiplexer com TRUTH TABLE ON CHANNEL eee ee Lc 3 71 oO 7 CONTROL INPUTS FF a Hr D o gt 3 a s x _ _ x DON T CARE 1C701 703 704 706 709 710 711 1 705 LC7522 7 Segment Electronic Variable Resistor 1464585 Dual Operational Amplifier RE iu RESISTOR WORK ANALOG SW 57 BLOCK DIAGRAM AMPLIFIER LCD SPECTRUM ANALYZER
70. tatic which may occur when the pickup is removed from the bag make sure that it is not placed on top of the bag Cleaning the lens surface a Blow off dust on the lens using the kind of air brush which is used for cameras Remove stubborn dirt with a cotton swab dipped alcohol Do not use any other type of cleaning fluid since it may mark the plastic lens eDo not use too much isopropyl alcohol the excess may seep inside the pickup eThe lens is held in place by a very feeble suppor spring Therefore when cleaning the lens avo applying any more force by the cotton swab than necessary since this may bend the support spring out shape CD MECHANISM REMOVAL 1 Preparations 1 Do not apply unnecessary force to the pickup when handling it Care should be taken not even to touch the lens or drive circuit sections 2 Do not apply unnecessary force do not pull or push it forcefully to remove the disc tray from its inside position Unnecessary force may break the teeth on the tray gear CM6 3 In the descriptions which follow the numbers in the parentheses after the parts are reference numbers in the exploded views Refer to these views 2 Removing and installing the disc tray DISC TRAY REPLACEMENT 1 Remove the stop screw 1 of the disc tray 31 2 Pull the disc tray 31 all the way forward by turning the tray drive gear 12 clockwise Note Do not take hold of the disc tray 31
71. te 0V Oscilation Part Output of Clock 1 Test Terminal Mode NODN ATTN Sample rate fs Clock of Input Data H L ch L R ch 552 Bit Clock of Input Data E DSF1 44 1kHz H De Emphasis On De Emphasis On 48 0kHz 32 0kHz BCKI INPUT INTERFACE INFINITY ZERO DETECTOR FILTER OPERATIONAL amp ______ IONAL TIMING RSTN 4 CONTROL x x gt gt gt 2 2 gt gt lt lt O 2 99 2 D 5 2 52 DIN LRCI ATTN MOON TSTN 9 B i DFS OFS2 MUTEO NOISE SHAPER ovss 9 ree L PWM DATA DvDD 9 OSC BLOCK IC106 XRA15218F Dual Operational Amplifier Vout 1 8 VIN 1 1 A VouT2 3 6 4 5 Yin 23 BLOCK DIAGRAM CD amp TUNER 107 M5278D05 3 Terminal Voltage Regulator SUPERHEATED PROTECTOR STARTER REFERENCE VOL TAGE 1C109 NJM78L05 3 Terminal Voltage Regulator GENERATOR 5 REFERENCE VOLTAGE 10202 43361 MPX Stereo Demodulator PHASE INPUT LEVEL COMPENSATOR veo aps LOOP FILTER 19kHz CHARGE 9 49 59 9 49 9 rm 1 0 me A INT D 2 0 0 0 0 0 0 O FORCED MONO REGULATOR MPX IN PHASE S
72. the rubber adhesives 2 Twist the fixed leads 6 Replacement of Motor and Belt SHORT BELT 44 EXPLODED VIEW TAPE DECK amp AMPLIFIER UNIT PARTS LIST PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing Components identified with the IEC symbol in the parts list and the schematic diagram designate components in which safety can be of special significance When replacing a component identi fied use only the replacement parts designated parts with the same ratings of resistance wattage or voltage that are desig nated in the parts list in this manual Leakage current or resistance measurements must be made to determine that exposed parts are acceptably insulated from the supply circuit before returning the product to the customer CAUTION Regular type resistors and capacitors are not list To know those values refer to the schematic diagram N S P Not avairable as service parts CABINET ELECTRICAL PARTS net arto ASSY PANEL FRONT 51 POWER CORD AC IN ASSY CABINET FUSE 250V 0 63A ASSY PANEL REAR POWER FU999 ASSY CABINET BOTTOM POWER TRANSFORMER ASSY COVER TAPE A HEAT SINK ASSY COVER TAPE FUSE 250V 2 5A BUTTON POWER SPEAKER FU701 801 ASSY BUTTON PRESET CORD 17P FRONT MAIN FFC BUTTON ASSY 5 BUTTON FUNCTION FRONT PRE ESCUTCHEON ASSY CONNECTOR S 4P KNOB ROTARY BAL
73. y state If the power is off when this mode is entered the power automatically comes on In this mode the tracking balance adjustment state tracking is off is automatically entered after the tray is completely closed If the PLAY key is pressed in this state the tracking servo is turned on and playing is begun at the present position Therefore the readout on the display at the time playing is begun indicates the initial position of the pickup i e the position of the limit switch In this mode the tracking balance adjustment state can be entered by pressing the MEMORY key during playing Pressing the PLAY key in this state turns on the tracking servo and causes playing to begin Turning off the power releases the CD tracking balance adjusting mode 7 CD operation display mode Enter this mode by pressing the STOP key during the service mode entry state If the power is off when this mode is entered the power automatically comes on 10 SERVICE MODE In this mode when CD function are used displays like those shown in Table 3 which represent CD operations different than normally displayed appear in the LCD track number display In this mode the calendar numbers shown in Table 4 come on when an error occurs in CD operations at which time the track number and calendar displays become fixed at their current readouts To release these fixed displays press the STOP key while operations are stopped This mod

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