Sanyo 129 686 50 User Manual Download

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Service Manual

FILE NO.

Micro Component System

DC-MP7500(BK)

(XE)

DC-MP7500(SL)

(XE)

PRODUCT CODE No.
129 686 50 (BK)
129 686 55 (SL)

REFERENCE No.

SM

5810593

Laser beam safety precaution .......................................... 1

Tape adjustments ............................................................ 1
Tuner adjustments ........................................................... 2
CD pick-up maintenance .................................................. 2
Exploded view .................................................................. 3
Parts list ........................................................................... 4
Exploded view & Parts list

(CD mechanism) ........................................................... 9
IC block diagram & description ........................................ 10
FL display description ...................................................... 19
Wiring connection ............................................................ 20
Schematic diagram
(FRONT) ....................................................................... 22

(CD) ............................................................................... 24

(AMPLIFIER & MCU) .................................................... 28

(TUNER) ....................................................................... 32
(D-AMP) ........................................................................ 36
Wiring diagram
(VOLUME) ..................................................................... 21
(FRONT) ....................................................................... 21
(CD) Parts side view .................................................... 26

Pattern side view ................................................. 27

(AMPLIFIER & MCU) .................................................... 30
(TUNER) ....................................................................... 34
(POWER TRANSFORMER) ......................................... 35
(D-AMP) Parts side view ............................................. 37

Pattern side view .......................................... 38

(D-AMP POWER SUPPLY) .......................................... 39

This service manual consists of

For BK ; "DC-MP7500U(BK)/XE" (Main unit : 129 685 50), " SX-MP7500L(BK)/XE" (Speaker system(left):

165 098 03) & "SX-MP7500R(BK)/XE" (Speaker system(right) : 165 106 03)

For SL ; "DC-MP7500U(SL)/XE" (Main unit : 129 685 55), " SX-MM7000L/XE" (Speaker system(left) :

165 098 01) & "SX-MM7000R/XE" (Speaker system(right) : 165 106 01).

All manuals and user guides at all-guides.com

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Summary of Contents for 129 686 50

Page 1: ...2 CD 24 AMPLIFIER MCU 28 TUNER 32 D AMP 36 Wiring diagram VOLUME 21 FRONT 21 CD Parts side view 26 Pattern side view 27 AMPLIFIER MCU 30 TUNER 34 POWER TRANSFORMER 35 D AMP Parts side view 37 Pattern side view 38 D AMP POWER SUPPLY 39 This service manual consists of For BK DC MP7500U BK XE Main unit 129 685 50 SX MP7500L BK XE Speaker system left 165 098 03 SX MP7500R BK XE Speaker system right 16...

Page 2: ...cure the azimuth adjustment screws 1 Remove the cover deck as Fig 1 2 Load a test tape VTT 738 etc 10kHz in the Deck 3 Press the PLAY button Normal playback 4 Use a tip screwdriver to turn the screw for normal azimuth adjustment so that the left and right outputs are maximized at the same phase during normal playback See Fig 2 5 Adjust so that the waveforms for the left and right channels are in a...

Page 3: ...104 R2103 R2103 C2109 C2109 R2108 CAN CAN C2425 R2401 R2430 R2426 C2406 R2403 C2407 R2431 R2416 R2417 R2420 R2422 C2423 C2419 C2502 C2501 R2601 R2602 R2603 R2608 R2609 R2610 R2607 R2606 R2606 C2802 C2802 C2903 C2903C2902 C2902 R2606 R2605 R2604 R2408 R2408 C2409 C2409 R2408 CAN C2409 C2317 R2521 R2513C2511 C2213 C2201 CAN R2414 IC211 CAN C2414 R2104 C2436 C2107 CAN CAN C2413 C2907 C2411 R2802 C280...

Page 4: ...6 Y14 Y15 Y16 Y18 Y12 Y18 Y19 Y19 Y20 Y20 Y20 Y16 Y17 1 2 4 4 5 8 7 72 73 74 65 64 76 75 57 17 71 9 10 11 12 Y06 Y09 Y10 Y11 Y05 Y05 Y09 Y08 Y13 Y14 Y07 55 62 67 52 51 63 60 61 66 68 69 56 58 59 54 53 This is a basic exploded view All manuals and user guides at all guides com ...

Page 5: ...ASSETTE For BK 12 614 329 1978 LID CASSETTE For SL 13 614 330 1509 PANEL REAR 14 614 329 1862 CABINET BOTTOM 15 614 330 1233 ASSY CABINET REAR For BK 15 614 331 0853 ASSY CABINET REAR For SL FIXING PARTS REF NO PART NO DESCRIPTION Y01 411 021 3503 SCR S TPG BIN 3X10 PANEL FRONT VOL PWB Y02 411 021 3503 SCR S TPG BIN 3X10 PANEL FRONT FRONT PWB Y03 411 020 9902 SCR S TPG BRZ FLG 3X8 CD PWB Y04 411 0...

Page 6: ...E 1SS133 D6201 407 012 4406 DIODE 1SS133 D6202 407 231 3808 LED LT2P11 81 STAND BY LED FL601 645 067 8295 FLOURESCENT TUBE FL IC601 409 519 6907 IC PT6315 L6201 645 001 5441 INDUCTOR 2 2U K Q6201 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q6202 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M R6002 402 083 7707 RESISTOR 1K J 1W S6150 614 220 5471 SWITCH TACT or 614 240 1002 SWITCH TACT...

Page 7: ...1451 645 059 0948 OSC CRYSTAL 16 9344MHZ X1601 645 059 0955 OSC CRYSTAL 27 000MHZ 27MHZ CN651 645 009 4163 SOCKET FFC 12P or 645 012 5096 SOCKET FPC 12P CN652 645 005 8141 PLUG 9P or 614 310 2502 PLUG 9P CN653 645 009 4156 SOCKET FFC 11P or 645 011 9972 SOCKET FPC 11P CN654 645 009 8468 SOCKET FFC 26P or 645 012 5300 SOCKET FPC 26P CN655 614 310 2496 PLUG 8P or 645 005 8134 PLUG 8P D4320 407 099 6...

Page 8: ...TR KTA1266 GR or 405 141 3505 TR KTA1266 Y or 405 004 4502 TR 2SA608 F NP or 405 004 5004 TR 2SA608 G NP Q4331 405 138 6403 TR KTD2058Y or 405 095 1602 TR 2SD2061 E or 405 095 1701 TR 2SD2061 F Q4600 405 008 2504 TR 2SB698 G or 405 008 2405 TR 2SB698 F or 405 141 3703 TR KTA1271 Y Q4601 405 143 0007 TR KRC107M or 405 000 3806 TR DTC114YS Q4602 405 141 3208 TR KTC3198 Y or 405 019 3804 TR 2SC536 G ...

Page 9: ...405 141 3307 TR KTC3198 GR T2001 645 043 0213 FILTER 450KHZ U2001 645 043 6697 TUNER FM X2107 645 061 3449 CERAMIC FILTER 10 7MHZ X2503 645 023 4965 OSC CRYSTAL 7 2MHZ X2901 645 035 8326 OSC CRYSTAL 4 332MHZ XF220 645 054 1223 CERAMIC FILTER 10 70MHZ or 645 010 7665 CERAMIC FILTER 10 70MHZ or 614 240 2917 FILTER CERAM XF221 645 059 0054 CERAMIC FILTER 450KHZ or 645 041 9324 CERAMIC FILTER 450KHZ X...

Page 10: ... MECHA IF FIX CM11 645 032 4352 ASSY MOTOR LOADING CM12 645 057 8618 MAGNET CHUCK or 614 262 8928 MAGNET CHUCK CM13 614 318 9398 HOLDER CHUCK CM14 411 162 1901 SCR S TPG PAN PCS 2X3 CHUCK HOLDER FIX MECHA SWITCH P W BOARD ASSY REF NO PART NO DESCRIPTION CM09 614 320 2219 ASSY PWB MECHA SW MOTOR SW PWB Only initial CN001 614 310 2618 PLUG 5P MOTOR SW PWB CONNE or 645 006 0922 PLUG 5P MOTOR SW PWB C...

Page 11: ...E DET I I I I 10pF 15pF 40pF 15pF 3pF 10pF 3pF 36pF 40pF SW1 SW3 SW2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1A 1Y 2A 2Y 3A 3Y GND Vcc 6A 6Y 5A 5Y 4A 4Y IC121 TC74HC14AFN EL HEX Schmitt Inverter IC140 TC74CU04AFN EL HEX Inverter 14 13 12 11 10 9 8 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y GND Vcc 6A 5A 6Y 5Y 4A 4Y TOP VIEW PIN CONNECTOR LOGICAL CIRCUIT TRUTH VALUE 2 4 6 8 10 12 1Y 2Y 3Y 4Y 5Y 6Y 1A 2A 3A 4A 5A 6A ...

Page 12: ...SERVO CONTROL PWM D A ROM A D RAM DIGITAL EQUALIZER ADDRESS CIRCUIT CLV SERVO MICON INTERFACE 16kRAM CORRECTION CIRCUIT DIGITAL OUT AUDIO OUT CIRCUIT SUB CODE DECODER STATUS PLL TMAX VCO DATA SLICER SYNCHRONOUS GUARANTEE EFM DECODE AUTOMATIC ADJUSTMENT CIRCUIT IC120 TC9462F Digital Servo Processor OUT c IN OUT c IN OUT c IN OUT c IN OUT c IN OUT c IN OUT c IN OUT c IN 12 14 15 11 1 5 2 4 3 0X 1X 2...

Page 13: ...N1 OUT1 P1 VCC2 OUT2 P2 VZ VCC IN2 Input Output Action Brake Normal Reverse Rotary Reverse Normal Rotary Brake IN1 0 1 0 1 IN2 0 0 1 1 OUT1 0 1 0 0 OUT2 0 0 1 0 IC130 TA2092N Servo Driver IC443 BA7755A Rec Play Switch 1 4 5 2 3 IC434 KIA7805API Regulator 1 INPUT 2 COMMON 3 OUTPUT 1 2 3 All manuals and user guides at all guides com ...

Page 14: ...D O Audio data of IIS signals to external DAC MCLK 61 I O Media clock input to drive external audio devices or media clock output when driven by external source into the ES 3890 CAS 62 O Column Address Strobe to DRAM active low DRAS1 63 O Row Address Strobe 1 to DRAM active low VPP 64 P 5V power supply DRAS0 67 O Row Address Strobe 0 to DRAM active low DWE 68 O Write Enable to DRAM active low DOE ...

Page 15: ... 16 SW IF BUFF AF BUFF FMIF AMIF AF IF REQ ST MO FM AM MJTE VCO DIVIDE DECODE MPX IN IC211 TA2149BFN AM FM 1 Chip Tuner IC IC190 M11L16161SA 45T DRAM Vss Vss GENERATOR Vcc 1024 x 1024 x 16 MEMORY ARRAY SENSE AMPLIFIERS I O GATING ROW DECODER COLUMN DECODER 1024 1024 1024 x16 CLOCK GENERATOR COLUMN ADDRESS BUFFER REFRESH CONTROLER REFRESH COUNTER ROW ADDRESS BUFFER 10 CONTROL LOGIC DATA IN BUFFER W...

Page 16: ... 24 22 10 5 5 4 4 15 12 4 DO1 I O 5 CLK I O 6 I O 7 SCIN DO2 DO2 OT 4 I O 9 IFIN2 I O 6 IFIN2 I O 8 IFIN1 I O 5 IFIN1 GND VDD FMIN AMIN XT XT DATA CLOCK PERIOD Note Mark terminals are not existence in TC9256P TC9256F Terminal name of TC9256P TC9256F is shown in parentheses Others are common terminals IC222 TC9257F Tuner PLL IC IC440 AN7348K Play REC Preamprifier Nor Cro Hi Lo Logic R R P R P P ALC...

Page 17: ... SG18 GR11 SG19 GR10 SG20 GR9 SG21 GR8 SG22 GR7 SG23 GR6 SG24 GR5 GR1 GR2 GR3 GR4 LED1 LED2 LED3 LED4 DIN DOUT CLK STB OSC VEE GND VDD K2 K1 Description LED Output Pin Oscillator Input Pin A resistor is connected to this pin to determinc the oscillation frequency Data Output Pin N Channel Open Drain This pin outputs scrial data at the falling edge of the shift clock starting from the lower bit Dat...

Page 18: ... P85 SEG35 P84 SEG36 P83 SEG37 P82 SEG38 P81 SEG39 P80 VDD IC651 TMP87EP26F 4K76 Micro Controller IC597 TDA8921TH Class D Power Amplifier 9 3 10 1 12 18 23 14 17 19 24 20 13 15 16 8 11 2 7 6 4 22 21 5 VSSP1 VSSP2 mute mute INPUT STAGE PWM MODULATOR CONTROL AND HANDSHAKE DRIVER HIGH DRIVER LOW RELEASE1 SWITCH1 ENABLE1 INPUT STAGE PWM MODULATOR CONTROL AND HANDSHAKE DRIVER LOW DRIVER HIGH RELEASE2 S...

Page 19: ... SEG32 to P80 SEG39 P77 SEG24 to P70 SEG31 P67 SEG16 to P60 SEG23 P7 P8 IC651 TMP87EP26F 4K76 Micro Controller CE OE WE CONTROL INPUT LOGIC PRPGRA ERASE HIGH VOLTAGE WRITE STATE MACHINE WSM A0 A18 ADDRESS LATCH AND BUFFER MX29F004T B FLASH ARRAY Y PASS GATE X DECODER Y DECODER ARRAY SOURCE HV STATE REGISTER COMMAND DATA DECODER SENSE AMPLIFIER PGM DATA HV PROGRAM DATA LATCH COMMAND DATA LATCH Q0 Q...

Page 20: ...CONNECTION NOTES 1 F1 F2 Filament Pin 3 Pn Anode Pin 5 NX No Extended Pin 2 G Grid PIn 4 NP No Pin 35 1 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 a b f h j k g m c e r p n d a b f h j k g m c e r p n d a b f h j k g m c e r p n d a b f h j k g m c e r p n d a b f h j k g m c e r p n d a b f h j k g m col c e r p n d Dp a b f h j k g m c e r p n d a b f h j k g m c e r p n d 1G 2G ...

Page 21: ...160 C6150 R6156 R6004 R6003 R6001 R6150 R6160 R6155 E E T002A 94V 0 1AD4B10D2520F CN630 D6303 D6302 Q6305 Q6301 D6305 5 6V LED1 LED2 JOG JOG GND D6301 D6304 S6301 J6301 J6302 J6303 J6304 J6305 J6306 R6306 R6305 R6304 R6303 R6308 R6302 R6310 R6311 R6307 R6301 R6309 R6312 C6301 VOLUME P W BOARD FRONT P W BOARD This is a basic wiring diagram CN405 3P CN400 2P CN410 3P CN417 4P CN418 3P CN411 3P CN412...

Page 22: ...SET BASS_EXPANDER CD OPEN CLOSE REC PAUSE STOP CD_PLAY PAUSE FWD_PLAY FF FWD TUN POWER TUNER_PRESET MEMORY REV_MODE REV_PLAY REW BACK TUN_ TU BAND 680 2 2K FM_MODE 680 1000P 1K 150 RED_LED 56K KRC107M KRC107M 1K 1K JOG 000 000 000 000 560 560 560 560 390 390 390 390 100P 1SS133 10K 10K 1 2 4 5 6 7 8 9 10 11 12 13 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 14 15 4 5 44 43 42 41 40 39 ...

Page 23: ... 16 21 22 23 24 25 26 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58...

Page 24: ...1 0 3 1 C 1 6 2 5 C1288 X1601 CN142 CN140 IC120 C1602 C1287 R1141 R1142 R1142 R1142 C1142 C1154 C1155 R1151 C1423 R1421 R1422 C1425 R1425 C1426 C1426 C1420 C1420 R1131 R1131 C1122 C1122 C1214 C1214 R1223 R1223 R1215 R1215 R1641 R1641 R1663 R1663 R1662 R1662 R1664 R1664 R1618 R1618 R1288 R1288 C1618 C1618 C1608 C1608 C1426 R1426 R1410 R1411 R1413 R1423 R1417 C1417 R1416 R1415 C1418 R1412 C1212 R121...

Page 25: ...3 100P 100P 100P 100P 100P 0 01 MPSA56 10K 10K 15K 330 1SS133 3 3K 470 KRC107M KRC107M MPSA56 MPSA56 1K 10K 47K 47K 10K 10K 0 01 47 10 1SS133 KTC3198 2 2K 1SS133 4 7K KTA1266 10 50 2 2K 0 01 KRC107M 220P 1A3 I 1 50 1 50 1K 1K 100P 0 4 7 25 100K 100K 0 1 3300 25 1A3 I 1A3 I 1A3 I 1A3 I 0 01 0 01 0 01 0 01 2500mA 4 7K 1K 1K 1A3 I QTMP87EP26 0 100P 100P 1000P 1000P 39K 39K 27K 27K 47K 4 7K KTC3875 12...

Page 26: ...J4870 J4873 J4875 J4837 J4848 J4847 J4846 J4856 J4720 J4865 J4872 J4861 J4860 J4864 J4863 J4854 JW JW JW JW J4605 CN655 J4809 J4702 J4700 J4604 J4803 J4824 J4811 J4806 TO PT TO FAN TO DAMP T O T A P E T O T U TO CD PWB GND CN471 REEL GND PH1 MOTOR INITIALIZE SW PLUNGER F REC SW NC CRO2 PACK SW R REC SW C4459 D 1 D 2 C N 6 5 2 C N 6 5 1 CN472 TO TAPE D4340 CN432 TO DG PWB E 2 E 1 CN473 TO CD TO BAC...

Page 27: ...0K 10K 1K 0 047 1 50 KTC3195 1K 1K 1K 1K 7 2M 27P TC9257F 10K 10K KTC3195 KTC3195 220 16 0 1 10K KTC3195 3 3K 5600P 0 1 10K KTC3195 330 4 7 50 1 50 0 1 0 1 470P 0 001 0 01 2 2K 0 022 1 50 1 50 0 022 0 01 5 6K 1SS133 220 16 27P KTC3195 KTC3195 0 01 150K 1K 10K SVC342 0 047 820K 27K MWOSC 18P 47K 470P AMANT 10K 0 1 3 3K 10K 000 10 7M KTC3195 56 470K 470 4 7K 4 7K 4 7K KTC3198 KTC3198 47 680 4 7K KRC...

Page 28: ...08 R2108 C2407 C2407 R2601 R2601 R2602 R2602 R2603 R2603 R2605 R2605 R2604 R2604 R2513 R2513 C2414 C2414 R2104 R2104 R2103 R2103 C2109 C2109 R2108 CAN CAN C2425 R2401 R2430 R2426 C2406 R2403 C2407 R2431 R2416 R2417 R2420 R2422 C2423 C2419 C2502 C2501 R2601 R2602 R2603 R2608 R2609 R2610 R2607 R2606 R2606 C2802 C2802 C2903 C2903C2902 C2902 R2606 R2605 R2604 R2408 R2408 C2409 C2409 R2408 CAN C2409 C2...

Page 29: ...00 C5784 C5884 0 1U 0 1U WIRING DIAGRAM D AMP Parts Side View This is a basic wiring diagram E E E 24 10 13 12 20 1 1AD4B10D2461A 94V 0 F01 E E CN587 S5970 CN567 R5779 R5879 L5776 L5876 C5776 C5775 C5876 C5875 C5975 C5974 C5976 L CH R CH D5970 Q5974 Q5978 Q5977 D5971 C5883 C5783 R5777 POWER GND 12V RCH IN LCH IN LCH IN RCH IN MAIN MUTE SP RY 5 6V BEAT CUT1 FAN VDD GND VSS L5775 L5875 C5972 L5970 L...

Page 30: ...2 Q4100 D4103 D4102 D4101 D4100 C4100 C4103 C4101 C4102 D4106 D4107 D4108 D4109 J4151 J4150 J4153 J4152 PR410 PR411 CN418 JW JW R4130 CN412 JW JW PR414 J4180 TO CD_PWB TO PT TO PT T4A L 250V T4A L 250V TO DAMP_PWB TO PT TO FRONT_PWB J4154 J4155 J4156 J4157 C4110 CN413 CN414 CN416 CN415 C4112 R4104 R4105 R4106 R4106 C4108 C4108 C4109 C4109 R4106 R4103 R4102 R4100 R4101 C4108 C4107 C4106 C4109 CAN W...

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