cm21kx81-cm21lx81-cm21mx81_sm1.57 MB
Contents
1. MT GLAZE MT GLAZE MT GLAZE CARBON MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE CARBON CARBON OXIDE MT CARBON CARBON MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE CARBON MT GLAZE MT GLAZE MT GLAZE 47U 47U 2 2U 470U 470U 220U 220U 220U 220U 19 15 27 0 019 100 100 0 10 0 10 100 0 10 10 10 lt A K K N Z EE AA N GR E 35V 35V 50V 10V 10V 16V 16V 16V 16V 50V 50V 50V 50V 50V 50V 25V 25V 50V 25V 50V 50V 50V 50V 50V 50V 50V 25V 50V 50V 50V 25V 50V 50V 25V 50V 50V 1 16W 1 16W 1 16W 1 6W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 6W 1 6W 1W 1 6W 1 6W 1 16W 1 16W 1 16W 1 16W 1 16W 1 6W 1 16W 1 16W 1 16W C6YR saw oe eee MT GLAZE R423 CARBON MT GLAZE R424 CARBON JA MT GLAZE R426 CARBON JA MT GLAZE R432 CARBON JA MT GLAZE R433 CARBON JA MT GLAZE R434 OXIDE MT JA MT GLAZE R441 OXIDE MT JA MT GLAZE R445 OXIDE MT JA MT GLAZE R475 CARBON JA MT GLAZE 4 R479 CARBON 2K JA MT GLAZE R481 OXIDE MT 8 JA MT GLAZE R488 FUSIBLE RES 1 0 J MT GLAZE2. lt 0200 000000000 00 10100100001 00000 006000000000000 00000 00000 mA 9 9 000000000000000 0 r f9 9 Y SANYO CO O 11 E CHSCAN o SWAP MENU PIC MODE C JXMYA 2777 ASSY BUTTON POWER C4VKR 645 042 4519 ROD ANTENNA ASSY 8406 SPRING E3HA 645 003 2837 MATCHING BOX 3741 DEC IND C4SA 610 230 3216 MATCHING BOX 2784 ASSY BUTTON UNITED C4VKR 7638 CABINET FRONT C4VW 610 309 4816 INSTRUCTIONS MANUAL CB5JR 4672 BADGE SANYO 43 5X10L43 5 ENGLISH ARABIC 7269 BADGE SANYO 43 5X10L43 5 610 309 4823 SIMPLIFIED INST 5 3248 DEC SPEAKER C4VKR SPANISH RUSSIAN 0851 CABINET BACK C4TS 1360 LABEL RATING C4VW MODEL CM21KX81 1377 LABEL RATING C4VWA MODEL CM21KX81A 7670 HOLDER AC CORD SGP D4VA 3579 ASSY REMOCON JXMYA 5102 RC BATTERY LID JXMYA 6405 ROD ANTENNA ASSY 4886 ROD ANTENNA ASSY 1006 ROD ANTENNA ASSY 0428 ROD ANTENNA ASSY 17 Cabinet Parts List Note Parts order must contain Service Ref No Part No and descripti
3. Je ooue2 zzng v q AWNIOA 191 AWNIOA LIV ANMON qZ AWMIOA Inovolpny 1 noL 1S ul oipn pun sna 01 Al 250 1929 219 lt 398 Y 190 zisto gt Os OdV OOA Als ddd 6 4 00S O DIA 19119 ein WA punos ied diis MOOS T 1104156 noO 1914 d 9000 01 JIS 9 T did 00 OOV aul sng oi 9 6 390 IC Block Diagrams IC501 lt Vertical Output gt LA78040 TDA9302H Thermal Protection O O5 O6 27 5 e A Q gt Z gt 2 S 2 F E gt gt ok Sk 5 mn lt Of 2 2 o gt 2 gt Q a 4 De ZZ 22 sS OW _ gt IC3701 lt Audio Control Surround gt NJW1142MP MONa AGC SR FIL OUTa LINEa NJRC IIC BUS ORIGINAL S RROUND INTERFACE amp SIMULATED STEREO MONb TONE Hb Lb OUTb LINEb VREF Service Information Protection Circuit This TV set has a built in power supply protection circuit It is provided to protect the TV set case of a power supply circuit malfunctions When something abnormality occurs during TV reception the TV set goes to the stand by mode When an abnormality occurs during TV reception it causes pin 27 of the CPU to go continually Low
4. PRODUCT SAFETY NOTICE Product safety should be considered when a component replacement is made in any area of a receiver Components indicated by mark in the parts list and the schematic diagram designate components in which safety can be of special significance It is particularly recommended that only parts designated on the parts list in this manual be used for component replacement designated by mark No deviations from resistance wattage or voltage ratings may be made for replacement items designated by mark LLOL AH nun 2000000 AH c06 LINN 192 Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT AlddNS H3MOd NI O3GIA HOLIMS 6 wapsi 1 8 2 Z 110 A H 20645 INVO3S 5 8221 1OHLNO2 161071 72 100 1 1064 OIGNV LNO AL non LOODI 1 1 NIAIS 1 1 1 110 9 61 NI O3GIA LX3 NI OIGNV aso 9 9 In 1503 01560 vi 6 VINOHHO O3GIA AI LOCOI TVNIINH3 L AV INOHd33 INOHJ 208201 Ilolo G 39 9 e 3 e LOSOI AD e lo l O z Ni oianv II a 1497 Oc 6l mE NI Olanv O NI OACIA 10951 TVNINH3L AV d3lNL L NO 906LMS 06
5. C634 DEFLECTION EE UI TW EUM cg 1000KK470 i CRT UNIT C607 L51B5620N pego CRD NH 400EM270XM 32 R603 R604 lt 1 2DJ560K 2SJ27 et pU 1000KK470 8605 C608 CRD NH XL LBWA i FROM FRONT 1 2DJ560K Q611 1000KK220 S IED 2SC2274 CRD NH Bs 5 PANEL 0619 25 47 C603 C606 R612 3264 82 ewe X AS P ces 35EM470 X X 4 8 1000KK470 35EM470LBWA A 32 i CRD NH 0070 ZZ DJ18K R423 TO DEFLECTION DJ68K gt gus 032 FE301 1L43 RU4YXLF L1 L604 770122 4721801 221803 L60146 1601 STANDBY L R426 R422 1 2DJ330 pz dh R613 AUDIO AMP TO CPU T a ns DEFLECTION q 60 _ i ERZV14D471 A 6230N 4 1 A oos POWER FAILURE T 2 VR631 W10B15500 qve K D n e R636 a I A Z e PPE PEE EIE ee D A ASSY PWB MAIN CORR 7 cc 1AA0B10S124DA CIRCUIT DIAGRAM NOTICE 11 Expression of capacitance and resistance in circuit diagrme TE SERVICE HEC TN PRODUCT SAFETY NOTICE 1 All resistance value are in ohms K 1 000 M 1 000 000 The area enclosed this line is directly connected
6. van R Q o KILLER all AIG PRE AP RC VOUT v 77200182 QR oven QR 11664 POWER 16 R830 FROM DEFLECTION L204 443M IN FAIL C832 POWER FAILURE ALE POWER SUPPLY 3 P 2581179 25 1037 cz 0210 77200221 M6 M7 FROM CPU 862 100 SYYSTEM R888 ON TIMER PT SE AM R816 OSD RGB 2SC1740S TYPE 11665606 ES 2 4THCODE 25 1740 2sce45A 2561815 m Ta VIS 47 KC Umm 70700202 qas OYGR 8 26 2SC2412K CHIP TYPE 7 14TH CODE 2562812 25 2412 TO AUDIO RDG GEL uns PROCESSOR 77200220 1617 DZXLBB017 V KILL FIL BLK MTZJ91B TO VIDEO W PROvESSOR C C C C C853 OSD RGB 1 70000021 DD1S2076A N DD1S2471 N DDXAAED0434 FROM FRONT 70000019 00152076 00152473 009442 PAN cuoco 1857 DDXAAED0434 KEY SWINGE OSR 70000192 DD182076 N DD182473 N DDDS442X N 520501 DDXAAED0434 DD1SS133 N Riso pestis SECAMKILLER FROM VIDEO RGB OUT RGB OUT A1901A U20B40500 C1902 22 C CAPTION BILINGUAL C CAPTION BILINGUAL C CAPTION BILINGUAL R870 11664 RGB OUT FROM VIDEO 22KC H SYNC Rid E eff 501 LA78040 N T KK3300GQ FROM DEFLECTION H V SYNC BOUT B STBL x d R877 C870 C835 e Em FROM CPU KK3900GQ
7. 12 0 255 0 0 255 TRAP T 7 _ FCAV 0 127 0 127 2 0 0 43 2 JJ n Q 5 0 0 0 2 z C1 1 127 m m lt 0 0 0 0 lt lt 0 31 1 6 4 2 gt U 36 0 O gt NJ RF AFC gain amp Gate Adj RF Vert Sync Separation Adj 0 0 0 6 0 1 0 1 0 1 lt JJ 0 0 0 0 0 7 AAFC Gato Aah C Stereo Mono Option 0 1 SIMPLE AV STEREO 2 3 AV STEREO Multi Personal Preference function on off o without M P P 1 with M P P gt lt JJ lt gt lt gt 0 1 0 1 0 7 0 1 0 1 0 1 Q O O O gt e 64 64 2 D O lt 5 lt Alo m 1 1 lt E EJ 2 0088 service Adjustments with Replacing Memory 802 DATA INITIAL ITEM RANGE SETUP DESCRIPTION DATA AV123 AV1 AV2 AV3 Option 0 AV only 0 1 AV1 AV2 2 3 AV1 AV2 AV3 0 0 OO gt g Sl m m 62 8 Programme number Option 1 1 Position No Option 0 100 pos 1 256 pos 1 1 GAME Option O without GAE 1 with G
8. 14 17 19 21 GREY SCALE 1 Receive the monochrome circular pattern 2 Set the brightness and colour to normal contrast to maximum 3 Enter to the service mode 4 Set each value of Item 14 RBIAS 15 GBIAS 16 BBIAS 17 RDRIV and 19 BDRIV mode to 64 5 Select Item 20 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible one coloured line 6 Press the 1 Red Bias 2 Red Bias 5 Green Bias 6 Green Bias 9 Blue Bias or 0 Blue Bias button to adjust the brightness of each colour until a dim white line produced Please see the control button alloca tions in this mode 7 Select Item 21 DRV mode to enter the white balance adjusting mode 8 Press the 3 Red Drive 4 Red Drive Blue Drive or RECALL Blue Drive button alternately to produce normal black and white picture 9 Exit from the service mode 10 Check for proper grey scale tracking at all brightness levels NOTE If the grey scale adjustment is made after picture tube replacement check the high voltage Red Bias Red Drive MAIN BOARD Red Bias Red Drive Green Bias Green Bias Blue Drive Blue Bias Blue Drive Blue Bias Press the MENU button to exit from service mode SCREEN VR Under side 13 Service Adjustments Following adjustments are not required to readjust when replacing the memory IC B VOLTAGE SUPPLY CHE
9. 20 Y 150 10 2 80 20 Rated value P pico farad U micro farad Material Ceramic Metallized Paper Polyester Metallized Polyester Polypropylene MT POLYPRO Metallized Polypropylene COMPO FILM Composite film Metallized Composite Styrene Tantalum Solid Aluminium Solid Electrolytic Non polarised Electrolytic Aluminium Solid with Organic Semiconductive Electrolytic Double Layered Electrolytic RESISTOR CARBON 4 7K J A 1 4W Rated Wattage Performance Symbols A General B Non flammable Z Low noise Other Temperature coefficient Tolerance Symbols 0 05 B 0 1 C 0 25 D 0 596 F 1 2090 iJ 5 10 20 P 5 15 Rated value ohms K 1 000 M 1 000 000 Material Carbon Metal Film Oxide Metal Film Composition Metal Glaze WIRE WOUND Wire Wound CERAMIC RES Ceramic FUSIBLE RES Fusible OUT OF CIRCUIT BOARD PICTURE TUBE 0901 414 010 5502 CRT 510 20 N COIL NL901 645 051 1902 645 038 COIL DEGAUSSING YOKE DEFLECTION MISCELLANEOUS SP901 645 002 4313 645 054 3050 SP902 645 002 4313 645 054 3050 A w901 645 039 9251 W902 610 272 4479 610 281 5184 SPEAKER 8 SPEAKER 8 SPEAKER 8 SPEAKER 8 CORD POWER 2 OMK A5003 GROUNDING CONNECTOR F6VC ASSY WIRE GND CONNECTOR F 610 313 3607 ASSY PWB MAIN C5RR 1AA0B10S124DA TRANSISTOR 0111 2SC2814 F4 TB 0122 25 2412 146 25 2412 146 25 2812 16 2SC2812 L7 TB 2SC3928A1R 2
10. 70 70 70 J M M K M M M M K M M M M M M M M K K M M M M M M M M M M K K M M K Z K M M M M M M C6YR Dese reme seem omm C6YR ae see 403 075 7101 1000U M 25V 403 076 3102 22000 M 25V 404 087 6007 2200U M 25V CERAMIC CERAMIC 403 404 403 403 054 077 343 324 0703 3108 8007 2307 CK30271KCRDJ 403 403 404 403 404 404 404 403 403 404 403 404 403 404 403 404 403 403 404 403 403 403 404 404 404 404 404 404 403 403 404 403 403 403 403 403 403 403 403 404 403 404 404 404 404 403 403 403 403 403 403 403 403 404 403 404 404 403 404 079 346 084 049 056 084 087 115 076 087 050 084 051 084 045 084 053 072 084 054 064 276 060 093 060 093 072 078 247 325 084 049 247 237 243 178 249 056 178 084 050 073 073 073 073 247 269 247 269 247 269 247 269 084 043 073 084 054 084 0108 7403 8905 4204 5307 9902 6106 0802 5304 5406 2800 9209 0607 8400 1504 9407 2104 9405 9506 1502 1202 9706 7205 6107 7205 6107 8405 7600 1609 5109 8806 0008 5003 8007 6806 9408 8903 9704 9309 9100 6600 3904 2105 4505 2907 5003 1809 5003 1809 5003 1809 500
11. CM21LX81 A CM21MX81 A Model CM21KX81 A 2 Select item by pressing the TIMER Item No UP or SOUND MUTE Item No DOWN button on the remote control handset TIMER 01 gt 02 gt 03 gt 04 gt 05 96 92 gt 93 gt 94 gt 95 gt 96 01 Display for V SCO V S Correction adjustment Display for DRV White balance adjustment Read Status Read Status 451 0010010152 11111000 ADDRESS DATA 21 R64 B64 451 0010010152 11111000 ADDRESS DATA 05 V SCO 9 Data value for Blue Data value Item No Data value for Red 3 Adjust data value by pressing the VOLUME or VOLUME button on the remote control handset To return to normal TV mode press the MENU button on the TV set or the remote control handset 11 Service Mode Adjustments Following adjustments should be carried out when the memory 1 is replaced How to enter the service mode and adjust values please refer to Entering to Service mode on page 11 Item 01 RF AGC AGC NOTE Do not attempt this adjustment with weak signal 1 the receiver to most clearest or strongest station in your area Set the brightness and contrast controls to maximum Set the colour control to minimum 2 Select RF AGC in the service mode 3 Change value until the snow noise just disappears 4 Exit from service mode Item 02 H PHA HORIZONTAL CENTRE 1 Receive a mo
12. J10 EA KRYO50N JP641 Dm D LA76818AM ET O C3733 5 ACK JW5 JP106 R178 AUDIO OUTPUT X171 STS R80 J SP901 FROM AUDIO AMP R022 C022 9V 3 176 176 X IIC BUS STS JW4 X X bns m 09 1466 R173 116620 JP105 A10B25500 C120 1 16GJ22KC FROM CPU SCL SCL JW3 J 03734 FM OUTPUT 5 C174 SN BILINGUAL C171 Cp SDA J059 il KK1500GQ 0173 GND d R015 138 RIS 3 PIFAGC C175 116070 IIC BUS 373 0022 P 11662 EXT AUDIO IN X T CO X X APC FILTER H SP902 160206 R122 C132 R132 A10B00400 1 16GJ EM 150 10 25500 22KC VCO COIL1 0 47 0 0122 0122 X IC202 VIF 155356 AH i 1171 178 05 2 vco COIL2 MC78MOSCT C185 L14B1830N UPC78MO5AHF ns 114 1870 178 05 27 VCO FILTER 47 tH R140 E E a 2 Cv 1460 1066 m RES 28 47 15 680 R839 C245 1 16GJ330C EM2 2 a FULL AV SIMPLE AV ITER Y MODE PORTS NJW1142MP MN ST m CN 8840 IN1B TV L L VIDEO VERTICAL 9v 1160 AV L R IN2A IN2B p vec Pm M LOS IIC BUS IN3A IN3B R228 EXT VIDEO R267 a CAPTION KEY SWITCH 801 ATQIERQM TUNER IN4A IN4B 100k co 0 a Y IN 270 519 9 R841 QXXAVC305P VIDEO PROCESSOR cm 0166 VVERTICAL a 1 1 0 Rage S
13. output 9 UJ spem Bi SIF APC Filter Bi SIF Output 97 Ext Audio Input 5 APC Filter 4 VCO Coil 1 6 VCO Coil 2 P A VCO Filter LAV 5 Video Output 19 4l 5 Black Level Detector AV 1aq MS u Internal Video Input S C IN 5 Video Vertical dis ONAS External Video Input Y IN 5 55 2 gt 2 OO Video Vertical BUS Ground 2 Selected Video Output Chroma APC1 Filter 8 4 43 MHz Crystal m Clamp Filter 8 Chroma APC2 Filter Q lt 2 gt 42 4 SECAM R Y Input 5 Cr Input gt 2 2 SECAM B Y Input Cb Input 8 CCD Horizontal Ground T Vertical Output 1 CCD Filter put 2 lt los oz 5 m ITI mim UD p 195 w Ramp ALC Filter Y lt 2 CCD Vee Horizontal BUS Horizontal AFC Filter 5 OI i Horizontal Output EE I lt Q O 5 Clock 4MHz Outupt 3 VCO IREF 5 Pulse Input IC Block Diagrams IC201 lt IF System Block Diagram gt LA76818 IIOO OOA 4 Z1109 109 P 05 ODA Le T 09 Liv 00 Lav MS Md jeg o 1911 09 E OdV JR E O 10 291 Eu snd aseud 1 or L
14. position forward or backward slightly DEFLECTION YOKE PURITY 4 27 3 SIX POLE MAGNET TABS FOCUS GAP G3 G4 front of the Yoke then secure the Deflection Yoke in appropriate position by putting the wedges as illustrated Tighten screw hold ing the Deflection Yoke a ANGLE OF MAGNET TABS T MAGNET TABS Figure 5 Adjusting Magnet DEFLECTION YOKE MOUNTING SCREW Figure 1 Purity and Convergence Magnets Figure 4 Deflection Yoke Movement Adjust tabs angle to superimpose blue and red vertical line Adjust tabs angle to superimpose red blue and green vertical line Adjust tabs together to Adjust tabs together to superimpose red and gt lt x superimpose red blue blue horizontal line and green horizontal line BLUE RED I I I I I I I I I I I I I I I Figure 2 BLUE AND RED LINE MOVEMENT Figure 3 BLUE RED AND GREEN MOVEMENT 16 Cabinet Parts List Note Parts order must contain Service Ref No Part No and descriptions Model CM21KX81 A
15. the V size 105 C2 lt NJ ex X a k x Oloioioi io l O O N OO O accompanying brightness change Correction of the H size accompanying brightness change Sub Bias Adj Do not change Red Bias Adj 9 0 Blue Bias Red Drive Adj Green Drive Adj 0 127 0 255 0 255 0 255 0 127 0 15 BDRIV 00 127 1 LINE APPEAR A cO Blue Drive Adj White Balance Adj White Balance Adj Y DC level Y DC level Adj NTSC B Y DC level Adj NTSC R Y DC level Adj SECAM B Y DC level Adj SECAM R Y DC level Adj Y angle Adj Y B Y Gain Blance Adj Do not change R Y B Y Angle Adj Do not change NTSC G Y Angle Adj NTSC R Y B Y Gain Balance Adj NTSC G Y B Y Angle Adj Coring Gain Adj Setting of Black stretch start 5 2 W O UJ N gt 210 Setting of Black stretch gain n and off of ABL Setting of ABL Setting of ABL hite peak limitter Gamma setting Switching of Pre shoot and Over shoot in AV mode 29 30 DATA RANGE SETUP SCRIPTION RF Pre shoot Over shoot Adj RF Sharpness Adj OSD TEXT Contrast Volume Control Adj De emphasis TC SIF System Switch FBT Blanking Switch Color Killer Option H Blanking Control Left H Blanking Control Right ITEM RFCO TINT 16 1 443 16 1 SHRF 32 3 TEXTC 128
16. 01 105 MT GLAZE JA ZENER DIODE MTZJ9 1B R862 401 105 MT GLAZE 2 JA ZENER DIODE MTZJ9 1C 52 R863 401 105 MT GLAZE 47K JA ZENER DIODE MTZJ9 1A R866 401 024 CARBON 100 JA ZENER DIODE RD9 1EB1 R869 401 024 CARBON 100 JA ZENER DIODE UZ 9 1BCB R870 401 105 MT GLAZE 22K JA ZENER DIODE MTZJ9 1B R871 401 105 MT GLAZE 10K JA ZENER DIODE MTZJ9 1C 52 R872 401 026 CARBON 27K JA ZENER DIODE MTZJ6 8A R873 401 105 MT GLAZE 33K JA ZENER DIODE RD6 8EB1 R874 401 105 MT GLAZE 10K JA ZENER DIODE MTZJ6 8A R875 401 105 MT GLAZE 47K JA ZENER DIODE MTZJ36A R877 403 157 CERAMIC 3900P K ZENER DIODE RD36EB1 R881 401 105 MT GLAZE 3 3K JA ZENER DIODE MTZJ36A R882 401 105 MT GLAZE 3 3K JA DIODE 1SS356 TW11 R883 401 105 MT GLAZE 33K JA DIODE DS442x R886 401 105 MT GLAZE 22K JA DIODE 1N4148 R887 401 025 CARBON 22K JA DIODE 155133 R888 401 105 MT GLAZE 560 JA DIODE 152076 R892 401 105 MT GLAZE 470K JA DIODE 152473 R893 401 105 MT GLAZE 1M JA D1910 LED SPR 39MVWF R894 401 105 MT GLAZE 100 JA D1910A HOLDER LED S2CP R896 401 105 MT GLAZE 10K JA HOLDER LED S4KF R899 401 105 MT GLAZE 33K JA HOLDER LED C4LA ZENER DIODE MTZJ9 1B VARIABLE RESISTOR ZENER DIODE RD9 1EB2 VR631 645 006 VR SEMI 2K N ZENER DIODE MTZJ7 5C 652 000 VR SEMI 2K N ZENER DIODE RD7 5EB1 ZENER DIODE MTZJ7 5C TRANSFORMER ZENER DIODE MTZJ5 1C T431 652 001 TRANS DRIVE ZENER DIODE RD5 6EB1 A T471 645 057 TRANS FLYBACK ZENER DIODE MTZJ5 1C 52 A T611 645 061 TRANS POWER PULSE DIODE DS442x COIL DIODE 1N
17. 1 7 VIOGLV 1NOHJ Chassis Block Diagrams SYSTEM CONTROL 919 MOT HOHH3 H3MOd AYOWSAW 9 G lt 1 Q O 02 LI ouo MOT 3AILLOV NI ONAS 1H3A 2313939 NI ONAS ZIHOH INO 280 ndo 2 89 8 NI OSO 250 NO LNO G31 YAWIL NO O3GIA JI dHiNV 3Hd 0 2 HOIH 3AILOV LL NI IWNSIS Od 261 LNdLNO W SIA H IH NO J3O NO H3MOd C S H9IH L S2MOY LNdLNO 5 4 S NVOSS HDIH LNdNI H3TIIM INVO3S 1OH LNOO OIGNV 01551 dS0 0AVXXO 1082 1383 LNdNI LOSSY HOLIMS ol A3 NI HOLIMS A3 TT hrT LAdNI NOILdO WALSAS OIGNV LINDYID 5579 J4JO NO Ssva LNO AWNTIOA ANNOS LOODI IC Block Diagrams IC201 lt IF Video Chroma Def gt LA76818 Audio Output FM Output Selected Audio Output v zn gt AGC Output PIF Input 2 IF Ground sng Bus Data Bus Clock lr ABL Red Input gt Green Input I Blue Input Ir Fast Blanking Input 3 RGB Vcc 5 Red Output Green Output 9 Blue Output fsc output or C Sync
18. 3 1809 8202 9106 9005 9506 1502 8400 ELECT MT POLYPRO MT POLYPRO CERAMIC CERAMIC MT POLYPRO MT POLYPRO ELECT ELECT NP ELECT NP ELECT ELECT ELECT CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC ELECT ELECT POLYESTER POLYESTER MT POLYEST MT POLYEST MT POLYEST MT POLYEST ELECT ELECT CERAMIC CERAMIC ELECT ELECT CERAMIC MT COMPO MT COMPO POLYESTER 0 MT COMPO POLYESTER POLYESTER ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT 22U 22U 680P 22U 22U 4 7U 4 7U 1000U 1000U 220U 220U 3300P 470U 470U 1U 10 210 10 4 LU 1U 19 19 470 0 10 0 10 0120 0 0120 0 010 J 0 019 3 39 3 39 1000 1000 2200 2200 470 470 470 470 470 470 470 470 470 470 2200 4700 4700 10000 J J M M M M M M K M M M M M M M M K M M K K M M M M M M K K M M K J J J SS Z E NA N N N N N NA N SEAS SO RESISTOR R015 R025 R032 R1001 R1003 R1004 R1008 R1010 R1018 R1020 R1021 R1022 R1023 R1024 R103 R106 R107 R108 R109 R111 R112 R114 R115 R116 R121 R122
19. 385 CABINET BACK C5RA 4736 LABEL RATING C6YR MODEL CM21MX81 4743 LABEL RATING C6YRA MODEL CM21MX81A 3579 ASSY REMOCON JXMYA 5102 RC BATTERY LID JXMYA 6405 ROD ANTENNA ASSY 4886 ROD ANTENNA ASSY 1006 ROD ANTENNA ASSY 0428 ROD ANTENNA ASSY 4519 ROD ANTENNA ASSY 19 C6YR Chassis Electrical Parts List Model CM21KX81 A CM21LX81 A 21 81 Product safety should be considered when a component replacement is made in any area of a receiver Components indicated by mark in this parts list and the circuit diagram show components whose value have special significance to product safety It is particularly recommended that only parts specified on the following parts list used for components replacement pointed out by the mark Note Parts order must contain Service Ref No Part No and descriptions The main PCB unit will be supplied without tuner and flyback transformer They should be ordered separately e naw naw NOTES Read description in the Capacitor and Resistor as follows CAPACITOR CERAMIC 100 K 50V L Rated Voltage Tolerance Symbols Less than 10pF Not specified B 0 1pF 0 25pF D x0 5pF 1 x2pF 0 25 0 5 0 0 25 0 1 More than 10 Not specified 0 1 C 0 25 0 596 190 G 2 3 J 5 x1096 15 20 30 100 0 30 10 50 10 75 10 20 10 W 100 10 40
20. 4148 4 4 1 8 8 8 1 8 C6YR eee reme sem mas ee DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE ZENER ZENER ZENER ZENER DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE ZENER ZENER ZENER DIODE DIODE DIODE DIODE DIODE DIODE PHOTO 155133 152076 152473 DS442X 1N4148 155133 152076 152473 DS442X 1N4148 155133 152076 152473 DIODE MTZJ16A DIODE RD16EB1 DIODE RD16EB3 DIODE MTZJ16A 52 1N4148 152076 152471 DS442X 1N4148 155133 152076 152473 DIODE MTZJ11C DIODE RD11EB3 DIODE MTZJ11C EU1 ERA15 02 V1 ERC05 10BV1 05 10 1 05 10 1 05 10 1 COUPLE 123 52 TLP421F D4 BL DIODE DIODE DIODE DIODE DS442X 1N4148 155133 152076 DIODE 152473 ZENER DIODE MTZJ8 2C ZENER DIODE RD8 2EB3 ZENER DIODE MTZJ8 2C ZENER DIODE MTZJ20B ZENER DIODE RD20EB2 ZENER DIODE MTZJ20B 52 DIODE ERA 91 02 DIODE DS442X DIODE 1N4148 DIODE 155133 DIODE 152076 DIODE 152473 DIODE DS442X DIODE 1N4148 DIODE 155133 DIODE 152076 DIODE 152473 DIODE RU3AM DIODE 01 11 43 DIODE RU4YX 1 11 DIODE EU2 DIODE EU2Z DIODE RU3M ZENER DIODE MTZJ10B ZENER DIODE 10 2 ZENER DIODE MTZJ10B 52 407 407 408 407 407 407 407 407 407 408 407 407 407 407 407 408 407 407 408 407 408 407 407 407 407 408 MISCELLANEOUS F601 F601A F601B A101 A1901A
21. 5 3928 15 25 2412 146 25 2412 146 25 2812 16 2SC2812 L7 TB 2SC3928A1R 25 3928 15 2SA1015 G SAN TPE2 2SA1015 O SAN 2SA1015 Y SAN 25 564 0 25 564 25 9338 0 2SA933S R 28A1015 G SAN TPE2 28A1015 O SAN 25 1015 28A564A Q CU 2SA564A R CU 2SA933S Q 2SA933S R 28C3332 R 25 3332 5 21401 5 11 25 2274 25 2274 25 2274 25 2274 25 3264 2SA984 E 2SA984 F 28A1015 G SAN TPE2 28A1015 O SAN 25 1015 25 564 0 25 564 2SA933S Q 2SA933S R 25 17405 0 2SC1740S R 25 17405 5 25 1815 25 1815 0 25 1815 25 945 25 945 2SC945A RA 28 2412 1146 R 25 2412 1146 S 2SC2812 L6 TB 2SC2812 L7 TB 2SC3928A1R 25 3928 15 25 17405 2SC1740S R 25 17405 5 2SC1815 GR 25 1815 0 25 1815 25 945 25 945 2SC945A RA 2SD1913 R RA 2SD1913 S RA 28 2412 1146 R 25 2412 1146 S 2SC2812 L6 TB 2SC2812 L7 TB 2SC3928A1R 25 3928 15 25 17405 25 17405 25 17405 5 25 1815 25 1815 0 25 1815 25 945 25 945 2SC945A RA 2SA1707 S 2SA1707 T 258985 5 2SB985 T 25 17405 25 17405 25 17405 5 25 1815 25 1815 0 25 1815 25 945 25 945 2SC945A RA 28 2412 1146 R 28 2412 1146 S 29C2812 L6 TB 405 405 405 406 405 405 405 405 405 405 405 405 405 405 405 405 405 405 405 405 405 40
22. 5 405 405 405 405 405 405 405 405 405 405 405 405 405 405 015 173 173 000 001 001 004 004 006 006 134 147 002 002 002 002 173 173 014 014 015 015 173 173 014 014 015 015 173 173 014 014 015 015 173 173 INTEGRATED CIRCUIT 1001 1 201 IC202 IC281 IC3701 IC501 IC651 CAPACITOR C001 C011 C021 C031 C1001 409 409 409 409 409 409 409 409 409 409 409 409 409 409 410 410 409 575 517 241 265 172 320 564 564 449 507 241 265 172 320 486 495 459 IC IC IC IC IC IC IC IC IC C6YR i 2SC2812 L7 TB 2SC3928A1R 2SC3928A1S 2SA1015 G SAN TPE2 2SA1015 O SAN 2SA1015 Y SAN 28A564A Q CU 2SA564A R CU 2SA933S Q 2SA933S R 2SA1037AK T146 R 2SA1037AK S T146 2SA1037K T146 R 2SA1037K 1146 5 2SA1179 M6 TB 2SA1179 M7 TB 25 1235 1 25 1235 1 25 2412 146 2SC2412K 1146 2SC2812 L6 TB 2SC2812 L7 TB 2SC3928A1R 25 3928 15 25 2412 146 25 2412 146 2SC2812 L6 TB 2SC2812 L7 TB 2SC3928A1R 25 3928 15 2SC2412K 1146 25 2412 146 2SC2812 L6 TB 2SC2812 L7 TB 2SC3928A1R 25 3928 15 AN17820B LA76818A 178 05 L78M05CV MC78M05CT UPC78M05AHF LA7642NM TLM E NJW1142M LA78040 IC LA78040N IC IC IC IC IC LC IC BA178M05T L78M05CV 78 05 UPC78MO5AHF LC863448W XXXX TLM AT24C16A 10PI 2 7 24LC16B P 2200U M 25V 2200U M 25V 1U 50V 1U 50V 1U 50V 1U 50V 50V
23. 50V 50V 50V S MT GLAZE ELECT ELECT ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT ELECT NP ELECT NP ELECT POLYESTER POLYESTER CERAMIC ELECT ELECT ELECT ELECT CERAMIC CERAMIC ELECT ELECT ELECT ELECT CERAMIC MT GLAZE CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT ELECT CERAMIC MT COMPO MT COMPO ELECT ELECT N W N E q G N 8 E N NNA CERAMIC CERAMIC NP ELECT NP ELECT ELECT ELECT ELECT ELECT CERAMIC CERAMIC CERAMIC ELECT ELECT CERAMIC CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT POLYESTER ELECT ELECT POLYESTER ELECT ELECT ELECT ELECT CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC CERAMIC ELECT ELECT CERAMIC CERAMIC CERAMIC ELECT ELECT ELECT ELECT ELECT ELECT 0 O BP a 10 70 70 70 70 70 70 70 70 OOP 1U 1U 1U 70 70 70 70 70
24. 901 REX 8 1 J1204 1902 801 CPU 1 4 3V 10 1 6V 19 0V 5515 SW601 H1 SW601 H2 L601 H7 e L601 H8 2S0f L601 H2 L601 H1 J830 R818 LOOMS L601 H3 1601 4 ae L601 H5 L099 L09H e 9 e ere 1808 lt J829 1810 R866 R869 9 1092 2000177 Soor 819 806 1094 cy m a 5 5 N D663 gt 3 aS 4 4 Se _ eo IC201 pin28 IC201 In44 ol JP204 1296 lt Sandcastle gt lt CVBS int gt T 28 J513 gt 0 I I gt J219 EOS e C285 ee D662 E 0 x io C289 646 ra 9 0280 92 11 omg 11 51 8 1 0Vp p X Vert 1 8Vp p Horiz 9 8 Mp Q 2 3 77 288 Q432 C lt H out gt Vert 36 0Vp p Horiz 1020Vp p Horiz 281 17 lt VIDEO gt gt IC501 H1 e 9 1 Fe R872 e e J504 S R R282 N T611 Te T611 H13 IFVIDEO CHROMA T611 H11 T611 H10 6 1594 0 1699 9 4 4Vp p Horiz veor Taken us
25. AME 1 Language Option 7 7 3 1 O without Language 1 with Language PT CO Colour System Option 0 1 PAL only 2 VMT 3 China Indonesia 4 3 System 5 7 Multi SIF System Option Bass Expander Option Q without BASS 1 2 BASS EXPANDER 3 Surround Option 0 without SURROUND 1 with SURROUND Audio IC NJW1142 Sub Bass Treble adj Audio IC NJW1142 AGC adj ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction 0 25 6 22 33 ROM Correction 23 155 ROM Correction 0 255 ROM Correction PTSIF 0 7 UB BT 0 1 2 AGC R01 242 R02 166 0 25 3 N O 1 U 4 c 20 301 _95_ _ _ 300 303 303 304 05 306 307 30 BB OQ O1 O1 R07 O 0 25 0 25 0 25 44 Fees 13 0 255 239 ems wi 2 29 2 H10 1 H11 H12 H13 H14 H15 H16 31 311 312 313 314 315 316 C1 AIC e co N C3 Co C3 4 3 C2 Sg 22 2 NO N D R JJ 323 324 325 326 327 2 33 154 246 O JJ N DATA INITIAL ITEM RANGE SET
26. Bias control clockwise to produce Green raster of the picture screen Refer to figure 2 Loosen the screw holding the Deflection Yoke and remove the 3 Keeping the mutual angle of the Tabs of the Four Pole Magnet 3 Rubber Wedges and slide the Deflection Yoke fully forward turn them together to superimpose the Blue and Red horizon 4 Rotate and spread the Tabs of the two Purity Magnets to cen tal lines in the centre area of the picture screen Refer to fig tre the vertical green belt in the picture screen The Purity ure 2 Magnets are also adjusted to obtain vertical centring of the 4 Turn Green gun on and adjust Six Pole Magnet 3 and 4 that raster the Green line superimposed on the Red Blue lines 5 Slowly slide the Deflection Yoke backward until a uniform This is the same procedure used in steps 2 and 3 green screen is obtained Refer to figure 3 6 Check the purity of the red and blue screens for uniformity turn off other colours to check this use bias controls OUTER AREA CONVERGENCE ADJUSTMENT Readjust the yoke position if necessary until all screens Slightly loosen the screw holding the Deflection Yoke Adjust the pure Deflection Yoke to converge the detail in the outer area left side 7 Adjust each Bias control and screen control to obtain white right side of the picture screen by orbital movement of the raster Refer to Gray Scale Adjustment If part of the picture screen is coloured adjust the Deflection Yoke
27. C e C3 C1 JJ 167 34 NS DY OI OI O1 N JJ N O C1 0 25 0 25 0 25 0 25 0 25 0 25 0 25 0 25 0 25 0 25 0 26 O1 Ol O O O G 02 C2 O1 O Ol O1 O R57 R58 C2 ala C2 JJ O1 O gt O O N D D D O N O 2 JJ N R R C3 7 D O N 160 N Notes The initial value that the CPU writes down the CPU ROM data to the memory when replaced the memory IC TV set may not operate correctly with this initial value adjustments described in the above 10 It is required to set up the fine adjustment for service Service Adjustments with Replacing Memory IC IC802 Entering to Service Mode 1 Press and hold the MENU button on the Remote Control and press the VOLUME button on the TV set Following setting items appears on the screen MENU Display for RF AGC RF AGC adjustment MENU Read Status 5 WAV MENU 451 0010010152 11111000 ADDRESS DATA 01 30 Item Data value Model
28. CESSO IIC BUS REAR AV IN cm 1 K1003 LIN STEREO jit 1169700 130V 112805700 a 103 RRI 1 7820 LOUT O L RO 18J89K 100 A101 AUDIO OUT R IN p V FRONT IN nus 0103 F1BEB0 260 270 H AUDIO CONTROL ROUT 118 RD36EB1 61011 F R1001 RU SEKC 16 V IN C1001 D1001 V 220 T IC3701 9 _ 81023 75 10 X AUDIO TV 0113 RM GQ V RO y l x NJW1142MP r 890 om K1001 R1010 01007 3710 C3720 N 100K MEO MTZJ9 1A EM by J12B05600 RDO TEBI L FRONT IN a 1 VIDEO OUT L IN JP102 TO SPEAKER 4 c1010 1021 V OUT lee 1160706 AV 1166 1150 ro L R 0 680 SPR 11V LRO 770774 IN3B R1022 L OUT SPR K POWER FAILURE TP A 1 1809 R FRONT IN P266 D010 542 J30B0250N gt 00 X H 213081380 R IN 1KC 8010 in T EM10 ROUT W H X 4 Ripe MONOIST mo 6BKC R RO 18KC 1 16GJ 03730 03731 680 D1017 FROM CPU KK0 022GQ i 16KZ1GMF MTZJ9 1A RD9 1881 100KC VOL 1 002 2 Ts ES 00021 20000 0060 AUDIO IN MONO AUDIO IN MONO SPEAKER OUT IC001 H2 FROM CPU FRONTAV IN FRONT AV IN Owa NS 8012 0012 39 AUDIO TV 8180 zt HW Lr 1 JP632 E K E C3732 EMT Ve 201 _
29. CKING 1 Connect DC meter to TP B and the ground 2 Tune the receiver to an active channel and synchro nized picture Select NATURAL picture mode by press ing the PICTURE MODE button on the remote control 3 Adjust B voltage to be 130 1V DC by using VR631 MAIN BOARD R604 H1 6 Sx SS B Voltage Supply Adjustment FOCUS ADJUSTMENT 1 Receive the monochrome circular pattern 2 Set the brightness to normal and contrast to maximum 3 Adjust the focus control on the F B T for the best focus on the screen centre 1790 PM e t 90 I 9dr 9799 year c A A lt lt MAIN BOARD Focus VR Upper side 14 HIGH VOLTAGE CHECK Note B 130V Voltage Check and Grayscale Adjustment must be completed before attempting High Voltage Check 1 Connect high voltage voltmeter negative lead to ground and connect lead to anode of picture tube 2 Tune receiver to an active channel and confirm TV is operating properly 3 Maximize the beam current by adjusting the contrast and brightness controls to maximum Confirm high voltage 15 within 24 0 KV and 26 5 KV at maximum beam current 4 Eliminate the beam current by adjusting the contrast and brightness controls to minimum Confirm high voltage does not exc
30. IMPLE MONO MONO 02 GND 269 X 510B3670J Rel 100 OKC STS AV ST 2 SPK 1 SPK 556 1KC 0160 5 GN 4 0261 SW1905 MENU C802 n Es 335 i 16GZ0C 1 16GZ0C 050 RGB WEE Cop 0226 Eas i 51080450 100 tS X 7 7 7 25 17166 1082790 1 LC16B P 2 __ 1 66200__ 116620 1766206 OSB BIN FILTER 47KC 51083670 241 16 REM JP3 3 X 160 206 1760706 116070 T R225 Veg 2 7 SWi904 VOL EEPROM s 10 55 BASS TO AUDIO AMP 163701 NJW1142MP BLK KG 1 166J8 2KC 7 FAST BLANKING _ 4 43M re In Rem gm RS 01201 NJM2533MP Gi 1083670 n 060 7T RIS VIDEO IF IC001 AN7522N AN7522N 8230 pes GQ CLAMP swi903 01 R813 002 7523 AN7523N 20233 51080450 JW7 X X J X 050 047 po q ON TIMER TOLED X X J X 1000 _ X a iig e 560N 570N 0160 STANDBY L POWER SUPPLY JP374 1185205 1466700 X 1 16GJ120C C801 STBL Rage 22 CJ15cGQ R899 JP375 1 16GZ0C 1 16GZ0C 8235 i CX R207 E VOLUME TO AUDIO ANE E S m QUE iam eum CHU R206 LIST OF REPLACEABLE TRANSISTORS 11694 a R896 J EMIO 25 0 X 2SA933S TYPE K Wr a 1066 E Wm E s Ems 2549335 TE 2SA564A Pod T ik jr I FROM EBONT R
31. K1001 K1002 K1003 A PS601 5111901 5111902 5111903 5111904 5111905 5111906 SW601 VA601 161 211 801 423 423 645 645 645 645 645 652 652 652 408 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 407 421 645 652 645 645 1144148 155133 152076 152473 155355 17 155355 17 DS442X 1N4148 155133 152076 152473 DIODE MTZJ6 8A DIODE RD6 8EBl DIODE MTZJ6 8A DIODE MTZJ6 2C DIODE RD6 2EB3 DIODE MTZJ6 2C 52 DS442X 1N4148 155133 152076 152473 DIODE RD3 6EL DIODE RD3 6EL FUSE 250V 4A FUSE 250V 4A HOLDER FUSE HOLDER FUSE TUNER U V TUNER U V UNIT REMOCON RECEIVER JACK RCA 3 JACK RCA 3 JACK RCA 3 TH PTDCA1BF4R5Q200 SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH SWITCH PUSH 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SWITCH POWER 1 1 1 VARISTOR ERZV14D471 SAW F TSF6376U OSC CRYSTAL CRYSTAL OSC CRYSTAL CRYSTAL 4 433619MHZ 4 433619MHZ 32 768KHZ 32 768KHZ C6YR seem 610 311 8949 AS
32. LAZE CARBON MT GLAZE CARBON 270 12K 3 9 22K 12K 47K 5 6K 47K 1K C6YR eee R682 401 025 CARBON TRANS OSC 38MHZ R683 401 105 MT GLAZE JA TRANS OSC 38MHZ R684 401 105 MT GLAZE JA PIPE CORE R685 401 105 MT GLAZE JA CORE PIPE R686 401 012 CARBON JA PIPE CORE R687 401 019 CARBON JA PIPE CORE R688 401 025 CARBON JA CORE PIPE R689 401 027 CARBON JA PIPE CORE R801 401 105 MT GLAZE JA LINEARITY COIL R804 401 105 MT GLAZE 7 COIL LINEARITY R805 401 105 MT GLAZE 7 LINE FILTER R811 401 105 MT GLAZE JA LINE FILTER R813 401 105 MT GLAZE JA LINE FILTER R814 401 105 MT GLAZE JA CORE PIPE R815 401 105 MT GLAZE JA CORE PIPE R817 401 105 MT GLAZE JA CORE PIPE R818 401 024 CARBON JA CORE PIPE R819 401 105 MT GLAZE JA CORE PIPE R830 401 105 MT GLAZE JA CORE PIPE R831 401 105 MT GLAZE JA CORE PIPE R832 403 157 CERAMIC CORE PIPE R834 401 105 MT GLAZE JA CORE PIPE R835 401 105 MT GLAZE JA CORE PIPE R836 401 105 MT GLAZE JA R837 401 105 MT GLAZE JA R838 401 105 MT GLAZE JA DIODE 155355 17 R839 401 105 MT GLAZE JA ZENER DIODE MTZJ9 1A R840 401 105 MT GLAZE JA ZENER DIODE RD9 1EB1 R841 401 105 MT GLAZE 7 JA ZENER DIODE 07 9 1 R842 401 105 MT GLAZE 7 JA ZENER DIODE MTZJ9 1B R851 401 025 CARBON JA ZENER DIODE MTZJ9 1C 52 R853 401 027 CARBON 2 JA ZENER DIODE MTZJ9 1A R855 401 027 CARBON 2 JA ZENER DIODE RD9 1EB1 R857 401 027 CARBON 2 JA ZENER DIODE UZ 9 1BCB R861 4
33. M21KX81 CM21KX81A CM21LX81 CM21LX81A CM21MX81 21 81 NNN Original Version Chassis Series AC5 G1 Give complete SERVICE REF NO for parts order or servicing It is shown on the rating plate at the cabinet back of the unit This T V receiver will not work properly in foreign countries where the television trans mission system and power source differ from the design specifications Refer to the specification table REFERENCE NO SM5110573 Contents sapa cas sa kaskas ee ae ded Rae ee k E U k RQR be eee 2 Chassis Block Diagram ausser gees EY 3 4 lese BI 8 5 7 Device TITO DUIS 7 Service Adjustments with replacing Memory IC802 8 11 Service Mode Adjustments 12 13 Service Adjustments Ee 14 Special FUNCHON 22542 enm EM a ok a mam PRAGA Tues S shee 15 Purity and Convergence 16 Cabinet rds MISE teu s ee p u w eee 17 19 Chassis Elecirical Parts EISE J Uu sawa dd w uw ae gud a L Qw eos 20 27 Safety Notice SAFETY PRECAUTIONS 1 An isolation t
34. R501A OXIDE MT JA CARBON R510 CARBON 68K JA MT GLAZE R511 CARBON 33K JA MT GLAZE R514 CARBON 12K JA MT GLAZE R515 CARBON 18K JA MT GLAZE R516 CARBON 10K JA MT GLAZE R518 CARBON 1 8 JA CARBON R522 CARBON 220 JA CARBON R525 OXIDE MT 180 JA MT GLAZE R602 WIRE WOUND 1 8 KA MT GLAZE WIRE WOUND 1 8 KA MT GLAZE R603 CARBON 560K JA 1 2W MT GLAZE R604 OXIDE MT 27 JA MT GLAZE R605 CARBON 560K JA 1 2W MT GLAZE R606 CARBON 470K JA MT GLAZE R607 CARBON 47 JA CARBON R609 CARBON 22K JA MT GLAZE R611 CARBON 47K JA CARBON R612 FUSIBLE RES 10 J MT GLAZE R613 OXIDE MT 0 27 JA MT GLAZE R615 CARBON 22 JA MT GLAZE R616 CARBON 10K JA OXIDE MT R617 FUSIBLE RES 1K J MT GLAZE R618 CARBON 1K JA MT GLAZE R619 CARBON 22K JA MT GLAZE R620 CARBON 470 JA CARBON R621 CARBON 10K JA MT GLAZE R622 CARBON 47K JA CARBON R623 CARBON 18K JA MT GLAZE R624 CARBON 22K JA MT GLAZE A R628 SOLID 5 6M KA CARBON R629 SOLID 5 6M KA MT GLAZE R631 CARBON 6 8K JA 1 4W CARBON R632 MT GLAZE 1 JA MT GLAZE R634 MT GLAZE 47K JA MT GLAZE R635 CARBON 100K JA CARBON R636 MT GLAZE 4 7K JA MT GLAZE R637TM CARBON 150K JA MT GLAZE R638TM OXIDE MT 27K OXIDE MT R639 CARBON 12K JA MT GLAZE R643 FUSIBLE RES 4 7 J MT GLAZE R645 DIODE DS442X CARBON DIODE 1N4148 CARBON DIODE 155133 CARBON DIODE 152076 MT GLAZE DIODE 152473 CARBON MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE MT GLAZE CARBON OXIDE MT CARBON OXIDE MT MT GLAZE MT GLAZE MT G
35. SERVICE MANUAL 5 VIDEO Cop Specifications Power Source AC110 240V 50Hz 60Hz Colour System PAL SECAM NTSC4 43 NTSC PAL 60Hz Television System B G D K M M Channel Coverage VHF E2 E12 1 12 K1 K9 A2 A13 J1 J12 UHF 21 69 A14 A69 J13 J62 51 641 X Y Z Z 1 242 Video 38 0MHz Aerial Input Impedance 750 Ext Terminals Video inputs Phono jack X 2 1Vp p 750 Audio inputs Phono jack L R x 2 436mVrms more than 40KQ Video monitor outputs Phono jack X 1 1Vp p 750 Audio monitor outputs Phono jack L R X 1 436mVrms less than 6000 Sound Output RMS 5W 5W Speaker 6 cm X 12 cm X 2 pcs Dimensions Model CM21KX81 A 625 W 460 5 X 384 D mm Model CM21LX81 A 645 W X 465 X 484 D mm Model CM21MX81 A 645 W X 465 H X 484 D mm Weight Model CM21KX81 A approx 21 2 Kg Model CM21LX81 A CM21MX81 A approx 20 8 Kg Specifications subject to change without notice CAVW CAVWA CSRR CSRRA C6YR C6YRA Colour Television 000900 MENU CHa SANYO Model No CM21KX81 CM21KX81A CM21LX681 CM21LX81A CM21MX81 CM21MX81A Middle East Service Ref No CM21KX81 00 CM21KX81A 00 CM21LX81 00 CM21LX81A 00 21 81 00 CM21MX81A 00 Product Code 111358217 111358247 111368013 111368033 111368713 111368733 C
36. SY PWB CRT C5RA 1 0 1051240 TRANSISTOR 0701 25 2621 25 2621 25 2688 1 25 2688 1 25 2688 1 25 2621 28C2621 E RA 25 2688 1 25 2688 1 25 2688 1 25 2621 25 2621 25 2688 1 25 2688 1 25 2688 1 0721 25 1015 0 25 1015 CAPACITOR C703 CERAMIC C705 CERAMIC C707 CERAMIC C708 CERAMIC CERAMIC CERAMIC CERAMIC C710 ELECT SENN DARDS RESISTOR R701 MT GLAZE R702 CARBON R704 MT GLAZE R705 CARBON R707 MT GLAZE R708 CARBON R710 OXIDE MT R711 OXIDE MT R712 OXIDE MT R713 OXIDE MT R715 CARBON R716 CARBON R717 CARBON R723 MT GLAZE R724 CARBON R743 CARBON COIL 1702 INDUCTOR 270U DIODE D741 407 DIODE 155355 17 D742 407 DIODE 155355 17 MISCELLANEOUS A K701L 645 SOCKET CRT 8P 652 SOCKET CRT 8P 14800 03 30 BB SANYO Electric Ltd Printed in Japan FRONTAV L FRONT AV IN FRONT AV IN FRONT AV IN AUDIO OUT AUDIO OUT FROM AV IN REAR TO AV IN FRONT K1002 REAR IN 112805600 V RI V RI L REAR IN VIN LRI FRONT U D IO M U DIO O
37. UP DESCRIPTION DATA 328 R28 0 25 ROM Correction 2 0 25 ROM Correction 3 0 25 ROM Correction 32 ROM Correction 33 ROM Correction 34 ROM Correction ROM Correction ROM Correction 0 25 ROM Correction 0 25 ROM Correction 0 25 ROM Correction 40 1 ROM Correction 41 0 255 1 ROM Correction 42 0 255 ROM Correction 43 0 255 ROM Correction ROM Correction 0 25 ROM ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction ROM Correction w D D JJ 02 N O1 C2 C3 JJ CI G G O 0 O O1 N no N N J 2 C3 4 4 3 3 6 249 C1 G GOD WwW 0 T C3 e 2 Co N C1 JJ A co e JJ
38. X 1 V SYNC D D IC501 1 e HEA0019 A FROM VIDEO 0008 n R510 EM22 68K R501A 25 2 6511 ASSY PWB CRT 5 0 L 1 0 1051240 R525 0732 0733 VOUT 0 19180 0733 0732 0731 X 2k 524 R707 100FKO 1 gr AD BE 20 18 R445 R441 9 2SJ560 250 1 7 441 9 7471 0432 1 Casta anu 013 140815300 H DRIVE 2HEF0112 X que T asomo aoUAP 0MJ0 39UAP 0432 4 T X A o3 2 039000 T431 B4L18B f a C436 m e 47 0512 ERA15 02 Q701 Q703 Q705 25 2621 D751 754 155355 1166 150C L3004 B4721B0160N 22180330 1432 13004 B4721B0160N 721 0330 500KK 1 1000 ead 5 R435 1K z F 4 5 R435A H1 X 0742 R743 723 159355 110 BXXAVB161LGK J30B 0250 0603 0606 0602 ERC05 10B 250GM0 1XBJ HEATER C CAPTION BILINGUAL C CAPTION BILINGUAL R C PRE AMP R C PRE AMP POWER FAILURE W S U PF TocPU AH 155355 R631 15 6 8K 666 6635 MCTEMORCT 16 F 16EM47LBWA D694 AA 11V M SVRC TOCPU JW10 AV IN FRONT ad AUDIO PROCESSOR C VIDEO PROCESSOR
39. cial functions by pressing the PROGRAMME UP or DOWN button on the remote control or the TV set VOLUME LOCK TUNING LOCK MUSIC MODE AV START av SELECT 4 ADJUST Set the selected special function ON by pressing the VOLUME or button To cancel set to OFF VOLUME LOCK TUNING LOCK MUSIC MODE AV START v SELECT 4 ADJUST 15 Press the MENU button of the remote control to return to the normal TV mode MENU Purity and Convergence Adjustment CAUTION The Convergence and Purity adjustments have been made at the factory Readjustment should be made only after picture tube or deflection yoke replacement following the steps below PURITY ADJUSTMENT 1 Demagnetize the picture tube and receiver using an external degaussing coil When replacing picture tube or deflection yoke mount deflection yoke and purity convergence magnets assembly properly see figures 1 and 4 8 Tighten the mounting screw of the Deflection Yoke Adjust Convergence next CENTRE CONVERGENCE ADJUSTMENT 1 Use a dot crosshatch pattern signal 2 Turn Red and Blue guns off and provide only Green raster 2 Turn Red and Blue guns on and turn off Green gun Adjust the Rotate Screen control to fully counterclockwise Rotate Red angle between the Tabs of the Four Pole Magnet 1 and 2 and and Blue Bias controls fully counterclockwise Slowly rotate superimpose the Red and Blue vertical lines in the centre area Green
40. eed 28 0 KV at zero beam current If reading is not within range check horizontal circuit No high voltage adjustment is provided on this chassis Special Function The following special functions can be set up on this TV set 1 Volume Lock setting With this function a maximum sound volume limit be set at any level BASS EXPANDER ON A SOUND mm 2 Tuning Lock setting Once TUNING LOCK is switched on further channel tuning Pre set is not possible The Channel Swapping function also is not possible TUNING LOCKED 3 Music Mode setting When Music Mode is ON Programme position from 91 to 99 and 0 are set Music Mode Only sound is provided and any picture is not on the screen under Music Mode Turns black MUSIC screen 4 AV Start setting Set AV START to ON and every time the TV set is switched on AV position will be the initial programme position AV How to set the special function Note When making the VOLUME LOCK setting set the desired maximum sound volume by pressing the VOLUME or button before entering Special Function setting mode To enter into the special function setting mode press and hold the MENU button of the remote control then press the PROGRAMME DOWN button on TV set MENU VOLUME LOCK TUNING LOCK MUSIC MODE AV START v SELECT 4 ADJUST CHA Model CM21LX81 A CM21MX81 A Model 21 81 Select an item of the spe
41. epresentative chassis only There Kind M carbon S Oxied metalized Wee SERVICE some components circuit differences between the Rated wattage 1 2W l wounding 2 POSISTER REF NO CM21LX81 A 00 actual chassis and the circuit diagram Z pee 9 Parts specified with X are not installed in this model CM21MX81 A 00 10 Parts specified with J are just jumper wires CAPACITOR C4VW C4VWA C5RR C5RRA C6YR C6YRA Component Location Waveforms amp Voltages On the Main Board 001 AUDIO AMP 1 12 7V 2 59V 10 5 9 11 GND 201 IF VIDEO CHROMA Pin 1 2 3V 2 22V 10 1 6V 11 41V Se 19 2 6 20 2 5 S 28 1 3V 29 1 7 37 1 9V 38 2 8V 46 2 3 47 42V IC202 IC651 1 7 8V 2 3 50V 1 11 8 2 3 50V 281 SECAM DECODER 1 3 7 2 57V 3 N C 10 GND 11 3 9V 12 1 2V 19 7 6V 20 0V ON 3701 AUDIO CONTROL amp SURROUND Pin 1 4 2V 2 42V 42V 10 4 3V 11 2 8V 12 2 8 19 4 0V 20 0 6V 21 4 2 28 4 2 29 4 2V 30 4 2 MAIN BOARD Component Location VERE OUR 1 3 0V 2 VOL UP VOL DOWN MENU TV AV SW1903 SW1904 SW1905 SW1906 802 MEMORY 1 GND CH UP CH DOWN S ANYO SW1901 SW1902 ez x 45 1
42. ing SECAM signal gt e 7 lt L441 H2 0 GEPF gt J510 m E 8 I LH rO 700 974 6 1002 VID AUD JP106 RX SEEN D amp lt e 9879 sera C5RR A C4VW A
43. less than 0 75V for about one second The CPU detects that this has occurred and outputs the signal from pin 31 to switch off the power supply lines Releasing the protective circuit and restoring power supply To release the protective circuit and restore power supply turn the power to the TV set OFF and then ON again via either the main power switch or the ON OFF button on the remote control This will work only if the power supply trouble was temporary If there is permanent trouble such as a damaged circuit power cannot be restored and the circuit will have to be repaired service Adjustments with Replacing Memory 802 Note The CPU IC801 and memory IC802 store the service adjustments data and controls data for each circuit When the Memory 802 is replaced some of the service adjustments should be readjusted to obtain the best performance The necessary service adjustments are carried out by using the RC handset Please set up the TV set with following steps 1 to 2 1 Initializing Procedure 1 Put a new memory IC 2 Turn on the TV set 3 Press and hold the TV AV Selector on the TV set for more than 2 seconds The following picture appears on the screen cc sa y gt CLR Model CM21LX81 A Model CM21KX81 A CM21MX81 A Press and hold for more than 2 seconds 4 Press the PROGRAMME UP on the TV set while the above On Screen Display i
44. nochrome circular pattern 2 Set the brightness and contrast to normal 3 Select in the service mode 4 Change value to be optimum horizontal centre position 5 Exit from service mode Horizontal centre Item 04 V SIZ VERTICAL SIZE 1 Receive a monochrome circular pattern 2 Set the brightness and contrast to maximum 3 Select V SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from service mode Vertical size 05 V SCO V S CORRECTION 1 Receive a crosshatch pattern 2 Select a picture mode of NATURAL by pressing the PICTURE MODE button 3 Select V SCO in the service mode 4 Adjust Vertical S letter Correction so that the difference of c d and becomes less than 2 mm by pressing the VOLUME or button 5 Confirm Vertical Linearity and adjust Vertical Center then Vertical Size 6 Exit from service mode Upper Center Bottom Item 06 V LIN VERTICAL LINEARITY 1 Receive a crosshatch pattern 2 Select a picture mode of NATURAL by pressing the PICTURE MODE button 3 Select V LIN in the service mode 4 Adjust Vertical Linearity so that the difference of a and becomes less than 3mm by pressing VOLUME or button 5 Exit from service mode T Upper a Center Bottom 12 Service Mode Adjustments Items
45. ons Model CM21LX81 A SANYO tJ G299990505 BUTTON POWER C5JA 645 042 4519 ROD ANTENNA ASSY DEC IND C4SA 11 645 003 2837 MATCHING BOX ASSY BUTTON UNITED C5RA or 610 230 3216 ANT MATCHING BOX ASSY CABINET FRONT C5RA 610 309 4816 INSTRUCTIONS MANUAL CB5JR CABINET FRONT C5RA ENGLISH ARABIC GRILLE SPEAKER C5RA 610 309 4823 SIMPLIFIED INST C5JUR BADGE SANYO 43 5X10L43 5 SPANISH RUSSIAN BADGE SANYO 43 5X10L43 5 CABINET BACK C5RA LABEL RATING C5RR MODEL CM21LX81 LABEL RATING C5RRA MODEL CM21LX81A ASSY REMOCON JXMYA RC BATTERY LID JXMYA ROD ANTENNA ASSY ROD ANTENNA ASSY ROD ANTENNA ASSY ROD ANTENNA ASSY 18 Cabinet Parts List Note Parts order must contain Service Ref No Part No and descriptions Model CM21MX81 A SANYO Iu 0 Ox lt gt lt 0 0 040 0 0 040 E 000 050 08 208 of JXMYA 8452 BUTTON POWER C6SA 3741 DEC IND C4SA 11 645 003 2837 MATCHING BOX 2760 ASSY BUTTON UNITED C4SKR or 610 230 3216 ANT MATCHING BOX 2683 ASSY CABINET FRONT C6YA 610 309 4816 INSTRUCTIONS MANUAL CB5JR 8476 CABINET FRONT C6YG ENGLISH ARABIC 7415 DEC SPEAKER C5RA 610 309 4823 SIMPLIFIED INST 5 4672 BADGE SANYO 43 5X10L43 5 SPANISH RUSSIAN 7269 BADGE SANYO 43 5X10L43 5 7
46. ransformer should be connected in 3 When replacing a chassis the cabinet always be power line between the receiver and the AC line certain that all the protective devices are installed when a service is performed on the primary of the properly such as control knobs adjustment covers converter transformer of the set or shields barriers isolation resistor capacitor net works etc Before returning any television to the 2 Comply with all caution and safety related notes pro customer the service technician must be sure that vided on the cabinet back inside the cabinet on the it is completely safe to operate without danger of chassis or the picture tube electrical shock X RADIATION PRECAUTION The primary source of X RADIATION in television receiver is the picture tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original including suffix letter Excessive high voltage may produce potentially hazardous X RADIATION To avoid such hazards the high voltage must be maintained within specified limit Refer to this ser vice manual high voltage adjustment for specific high voltage limit If high voltage exceeds specified limits take necessary corrective action Carefully follow the instructions for B1 volt power supply adjustment and high volt age check to maintain the high voltage within the specified limits
47. s still on the screen The following picture appears on the screen 00000 Y CH This completes the initialization of memory IC Following shows the initialized contents of memory data by this procedure Plug amp play executed Inhibit data Cancelled Ch skip data Cancelled Sound volume data 10 63 steps Volume Lock OFF Tuning Lock OFF Colour system AUTO 2 Required Service Adjustments Readjust the following service adjustments Adjustments Service Mode No amp ltem 01 Horizontal centre 02 H PHA Vertical size Item 04 V SIZ Vertical S correction Item 05 V SCO Vertical linearity 06 V LIN Gray scale 14 17 19 21 Further adjustment please refer to page 12 and 13 service Adjustments with Replacing Memory 802 Following table shows the initial values which have been stored in the CPU ROM and items for the service adjustments Service mode adjustments table in CPU ROM DATA INITIAL RANGE SETUP DATA ITEM 16 15 64 32 OSDHP 0 255 0 127 V SCP 0 7 0 7 DESCRIPTION 0 63 0 31 0 6 0 127 0 31 0 31 Phase H Centering Adj 50 2 Position V Centering Adj 50Hz Fixed 80 V Size Adj V S Correction 50Hz V Linearity Adj 50Hz PHASE Adj 60Hz 0 V Size Adj 60Hz SD H Position Adj OSD Contrast Adj Correction of
48. with AC mains voltage Product safety should be considered when a 2 All resistance rated wattages are 1 6W unless otherwise noted Capacitance Example When servicing the area connect an isolating transformer between TV receiver and AC component replacement is made in any area Excepting electrolytic capacitors all capacitance values of less than 1 1000 C M 2000 D J 5 line to eliminate hazard of electric shock of a receiver are expressed in F and more than 1 are pF L Characteristic K 10 Components indicated by a mark in this voltages i 50V unless otherwise noted M bano 2 ca M 20 TRANSISTOR DIODE AND INTEGRATED CIRCUIT TERMINAL GUIDE circuit diagram show components whose All Inductance values are In p H mM LAUD C COLLECTOR A ANODE CHIP PARTICULAR COLOUR TELEVISION values have special significance to product 6 Voltage readings take with a VTVM are from point indicated chassis N BASE KATHODE components PARTS SYMBOL Z Metalized paper NON POLE D Carbon ELECTRIC used for components replacement pointed out 4 n 1 by the mark Waveform were taken wi colour bar and controls adjusted for CHASSIS u normal picture Waveforms were taken by using a wide band oscillo ______Resistance value 1 20 SERIES scope and a low capacity probe Allowable error 5 N Metalized carbon CM21KX81 A 00 8 This circuit diagram covers a basic or r
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