Memorex MT2272, Service Manual

Page 1: ...N A MT2272 Design and specifications are subject to change without notice This SUPPLEMENT must be used together SERVICE MANUAL for MT2271S All other test and repair procedures are as shown in the ORIGINAL MANUAL Please file this SUPPLEMENT with the ORIGINAL VERSIONS ...

Page 2: ...410 R002T2561J RC 560 OHM 1 2W R415 R3X181221J R METAL OXIDE 220 OHM 1W R002T2561J RC 560 OHM 1 2W R421 R001T4184J RC 180K OHM 1 4W R002T2683J RC 68K OHM 1 2W R422 R002T2682J RC 6 8K OHM 1 2W R002T2822J RC 8 2K OHM 1 2W R428 R002T28R2J RC 8 2 OHM 1 2W DEL R429 R6558A1R8J R FUSE 1 8 OHM 2W R6558A2R2J R FUSE 2 2 OHM 2W R430 R002T4682J RC 6 8K OHM 1 4W R431 R002T4473J RC 47K OHM 1 4W R438 R002T4103J ...

Page 3: ...X181221J R METAL OXIDE 220 OHM 1W R3X28A331J R METAL OXIDE 330 OHM 2W R547 R002T4101J RC 100 OHM 1 4W R554 R002T4124J RC 120K OHM 1 4W R002T4682J RC 6 8K OHM 1 4W R555 R002T4104J RC 100K OHM 1 4W R601 R903N8152J RC 1 5K OHM 1 8W R903N8102J RC 1K OHM 1 8W R609 R903N8471J RC 470 OHM 1 8W R903N8221J RC 220 OHM 1 8W R610 R002T4273J RC 27K OHM 1 4W R613 R002T4101J RC 100 OHM 1 4W R002T4391J RC 390 OHM ...

Page 4: ... 1 4W R905 R903N8563J RC 56K OHM 1 8W R907 R903N8393J RC 39K OHM 1 8W R908 R903N8563J RC 56K OHM 1 8W R909 R903N8393J RC 39K OHM 1 8W R1001 R903N8124J RC 120K OHM 1 8W DEL R1003 R002T4103J RC 10K OHM 1 4W R1006 R903N8272J RC 2 7K OHM 1 8W R903N8182J RC 1 8K OHM 1 8W R1008 R903N8272J RC 2 7K OHM 1 8W R002T4182J RC 1 8K OHM 1 4W R1010 R001T6561J RC 560 OHM 1 6W DEL R1011 R903N8182J RC 1 8K OHM 1 8W ...

Page 5: ...0 01 UF 100V MKT C441 E50HU5R47M CE 0 47 UF 50V C442 E53FF56R8M CE 6 8 UF 50V NP C443 P4N8FJ123H CMPP 0 012 UF 1 25KV DEL C444 E02LU2470M CE 47 UF 16V C446 E02LT5010M CE 1 UF 50V E02LU5220M CE 22 UF 50V C449 P4J7F3394J CMPP 0 39 UF 250V PMS C451 P3N1F5273J CPP 0 027 UF 630V C452 P4N8FJ153H CMPP 0 015 UF 1 25KV C453 P4N8FJ391J CMPP 390 PF 1 25KV C455 C0JTB0512K CC 100 PF 500V B C456 P6M9T0223J CMPL...

Page 6: ...E 1 UF 50V C707 CQGTF0415Z CC 0 1 UF 50V F C720 E02LU2470M CE 47 UF 16V C722 CQGTB0415K CC 0 1 UF 50V B C725 CQGTF0415Z CC 0 1 UF 50V F C727 CS0KF0214Z CC 0 01 UF 16V F E50HU50R1M CE 0 1 UF 50 V C809 CS0KB04N2K CC 390 PF 50V B CS0KW04S2M CC 560 PF 50V W C810 CS0KB04N2K CC 390 PF 50V B CS0KW04S2M CC 560 PF 50V W C811 CS0KB04N2K CC 390 PF 50V B CS0KW04S2M CC 560 PF 50V W C901 E50HU5010M CE 1 UF 50V ...

Page 7: ...AM D511 D97U01201B DIODE ZENER MTZJ12B T 77 D512 D2WXB290S0 DIODE SILICON SB290S D514 D2WXSB1400 DIODE SCHOTTKY SB140 EIC D1VT001330 DIODE SILICON 1SS133T 77 D517 D1VT001330 DIODE SILICON 1SS133T 77 D518 D2WTAU02A0 DIODE SILICON AU02A EIC D1VT001330 DIODE SILICON 1SS133T 77 D519 D2WXB290S0 DIODE SILICON SB290S DEL D520 D1VT001330 DIODE SILICON 1SS133T 77 DEL D523 D1VT001330 DIODE SILICON 1SS133T 7...

Page 8: ...J COIL 100 UH L606 021LA62R2K COIL 2 2 UH L607 021LA6150K COIL 15 UH 021LA6120K COIL 12 UH L608 021LA66R8K COIL 6 8 UH L701 021LA6270K COIL 27 UH L901 02167D101K COIL 100 UH T401 045013002J TRANS HORIZONTAL DRIVE ETH14Y46AY 0450190161 TRANS HORIZONTAL DRIVE ETH19Y203AY T501 048135075S TRANSFORMER SWITCHING 8135075S 048140066S TRANSFORMER SWITCHING 8140066S J702 0602431013 RCA JACK JPJ1187 010010 D...

Page 9: ...B ASS Y TCA338A A3L532M110K CRT PCB ASS Y TCB403A PCB250 A3L504G250K AV PCB ASS Y TEAA90A DEL PART NO DESCRIPTION PART NO DESCRIPTION 102 701APJA106 CABINET FRONT 701APJA116 CABINET FRONT 103 702APAA005 CABINET BACK 702APA0145 CABINET BACK 1 5 105 722A08A114 SHEET RATING 722A08A135 SHEET RATING 106 723000B550 FILM DECORATION 723000C073 FILM DECORATION 108 713WPA0098 GUIDE REMOCON 713WPA0239 GUIDE ...

Page 10: ...01 02 03 05 07 08 09 0A 0B 0C 0D 0E 0F A5 0A 3D 36 3D 36 03 00 08 0C C0 00 00 44 1B 3B 83 03 3A 0A B3 B7 60 30 89 8B WHEN REPLACING EEPROM MEMORY IC MT2271S MT2272 ADDRESS DATA DATA ...

Page 11: ... VIEW MT2272 ADD 115 116 117 118 119 206 207 TU001 119 PCB010 MAIN PCB ASS Y 118 201 205 201 206 206 101 101 FB401 116 116 115 113 111 J801 PCB110 CRT PCB ASS Y 111 111 111 V801 117 112 204 204 SP1001 108 110 207 204 204 ...

Page 12: ...UT VIF IN 1 G IN B IN R IN RF AGC OUT POWER ON CONT H OUT VIDEO CHROMA Vcc VIF IN 2 20 SCL 26 SDA 27 10 V PULSE OUT 5 V OUT 28 FPB IN 13 15 STEREO 5V REG Q605 REG Q608 REG Q604 X602 3 579545MHz 31 11 49 8 7V REG OUT P CON 5 7V REG AT5 7V REG OUT Y SW OUT R OUT G OUT 47 10 RECTIFIER 16 B OUT Q606 REG REG Q603 AT 5V 3 4 6 5 2 REAR_AV IN STEREO J701 FEED BACK SW Q507 BUFFER Q502 SWITCHING Q501 FB401 ...

Page 13: ...5 Q707 J707 J701 J705 D001 W106 W111 W029 TU001 W023 R623 R606 R760 W040 C719 R749 D705 W025 Q706 R632 R629_1 Q608 Q606 W026 C628 Q604 Q605 C624 D601 D602 W027 IC702 HS1001 C1011 R1009 R1004 C1003 C1001 W031 D605 W114 C1008 W024 R621 W034 C1014 C003 C002 TP001 W107 W108 W109 C721 C706 C717 W093 W099 C712 C707 W030 W037 W041 W112 W105 W110 W088 W137 W082 C1505 D1502 W092 R1522 C1527 R1520 W090 W049...

Page 14: ... R112 R115 R635 R130 IC1502 R532R533 R437 R534 R814 R816 R811 R815 R809 R813 C810 C809 C811 R808 R801 R810 C801 R817 R818 R819 C408 R722 R725 R726 R728 R723 R711 R709 R703 R704 R729 R727 R731 R710 C708 R622 R615 C602 R611 R004 C1004 R1014 R1015 C1002 R719 R1523 R1521 R1519 R1518 R110 R1002 R1006 R708 R505 R125 R133 R139 R102 R136 R643 C614 C1520 R143 R403 C110 C106 C109 R1512 R620 C1521 R724 R707 ...

Page 15: ...IBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION D001 MTZJ30B D104 MTZJ6 8B Q103 KTC3198 BUFFER W801 TP001 W828 W845 TM101 RC DW040 Q102 KTA1266 BUFFER L101 2 7uH Q101 KRC101MAT PROTECT SW IC199 S 24C08ADPA 01 MEMORY IC 1 2 3 4 5 6 7 8 SW101 SKHVBED010 27 CH UP SW103 SKHVBED010 27 VOL UP SW104 SKHVBED010 27 VOL DOWN SW105 SKHVBED010 27 POWER SW102 SKHVBE...

Page 16: ...TURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION D612 MTZJ12B D611 MTZJ12B D610 MTZJ12B D602 MTZJ8 2B D607 MTZJ15B Q608 KTC3209_Y REG Q603 KTC3203_Y REG Q606 KTC3209_Y REG Q605 KTC3209_Y REG Q604 KTC3209_Y REG W806 W847 W851 ...

Page 17: ...17 68 R806 2 7K 1 4W R801 220 R802 2 7K 1 4W R450 100K 1 2W R427 100 1 4W R443 4 7K 1 4W R445 22K 1 4W R441 27K 1 4W R438 10K 1 4W R458 1 5K 1 2W R419 1K 1 4W R434 1 1 2W R407 1 1 2W R456 15K 1 4W R430 6 8K 1 4W R412 270 1 2W R433 270 1 2W R436 1 1 2W R435 1 1 2W R406 1 1 2W R444 22K 1 4W R440 220K 1 4W R411 1K 1 2W R415 560 1 2W R410 560 1 2W R420 6 8K 1 4W R455 2 7K 1 4W R454 2 2K 1 2W R809 2 7K...

Page 18: ...C528 0 0022 250V KY C515 0 1 B C501 1000 35V YK C527 2200 16V MHE R508 100 1 4W R512 270 1 4W R515 10K 1 4W R533 1K R532 820 R534 100 R514 6 8K 1 4W R505 10K R547 100 1 4W R516 100 1 4W R520 1 5M 1 2W R500 2 7M 1 2W 10 R503 1 2M 1 4W R511 1 2M 1 4W R507 150 1 4W R504 10K 1 2W R513 1K 1 2W R555 100K 1 4W R554 6 8K 1 4W R535 68K 1 2W R536 68K 1 2W D518 1SS133 D523 1N4937 D516 1SS133 D505 30DF6 FC D5...

Page 19: ...THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION W813 W864 W863 Q901 KTA1266 BUFFER Q902 KTA1266 BUFFER S104Y S104X S801X S801Y SCL SDA AUDIO_MUTE P CON 9V SOUND_R P CON 9V_1 REAR_AUDIO_...

Page 20: ...30 47 16V YK C719 47 16V YK C718 10 50V YK R715 4 7K R711 1K R709 1K R760 390 1 4W R702 10 1 4W R749 2 2K 1 4W R722 75 R723 75 R724 470 R731 2 2K R733 1K R719 75 R707 2 2K R734 1K R703 1K R704 1K R708 68 R725 2 2K R727 4 7K R729 8 2K R726 1 8K R720 1K 1 4W R721 1K 1 4W R710 1 5K R728 1K R740 68 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME D...

Page 21: ...522 1K 1 4W R1521 820 R1523 1K R1512 1K R1519 560 R1518 560 R1520 1K 1 4W R1524 1K 1 4W D1502 1SS133 D1501 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W807 Q1508 KRC102MAT S_VIDEO SW CAUTION DIGITAL TRANSISTOR STEREO 5V C_IN Y_IN VIDEO_IN V1_SW VI_C_IN VIDEO_OUT VI_Y_IN S_VIDEO ON_TIMER AV1 ON_TIMER GND MT2272 0 0 4 9 G 14 G 13 FROM...

Page 22: ...SPEC NO M3L5 39M O R NO C293602 ...