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Sanyo DC-MP7500(BK)/(XE) Service Manual

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Service Manual
Laser beam safety precaution .......................................... 1
Tape adjustments ............................................................ 1
Tuner adjustments ........................................................... 2
CD pick-up maintenance .................................................. 2
Exploded view .................................................................. 3
Parts list ........................................................................... 4
(CD mechanism) ........................................................... 9
IC block diagram & description ........................................ 10
FL display description ...................................................... 19
Wiring connection ............................................................ 20
(FRONT) ....................................................................... 22
(CD) ............................................................................... 24
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).
Micro Component System
(AMPLIFIER & MCU) .................................................... 28
(TUNER) ....................................................................... 32
(D-AMP) ........................................................................ 36
(VOLUME) ..................................................................... 21
(FRONT) ....................................................................... 21
(CD) Parts side view .................................................... 26
(AMPLIFIER & MCU) .................................................... 30
(TUNER) ....................................................................... 34
(POWER TRANSFORMER) ......................................... 35
(D-AMP) Parts side view ............................................. 37
(D-AMP POWER SUPPLY) .......................................... 39
FILE NO.
DC-MP7500(BK)
DC-MP7500(SL)
PRODUCT CODE No.
129 686 50 (BK)
129 686 55 (SL)
Pattern side view ................................................. 27
Pattern side view .......................................... 38
REFERENCE No.
(XE)
(XE)
SM
5810593

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  Summary of Contents for Sanyo DC-MP7500(BK)/(XE)

  • Page 1: Table Of Contents

    FILE NO. Service Manual DC-MP7500(BK) Micro Component System (XE) DC-MP7500(SL) (XE) PRODUCT CODE No. 129 686 50 (BK) 129 686 55 (SL) Laser beam safety precaution .......... 1 (AMPLIFIER & MCU) ............ 28 Tape adjustments ............1 (TUNER) ............... 32 Tuner adjustments ............
  • Page 2: Laser Beam Safety Precaution

    LASER BEAM SAFETY PRECAUTION • Pick-up that emits a laser beam is used in this CD player section. CAUTION : THIS PRODUCT CONTAINS A LOW P O W E R L A S E R D E V I C E , T O ENSURE CONTINUED SAFETY DO NOT REMOVE ANY COVERS OR ATTEMPT TO GAIN ACCESS TO THE...
  • Page 3: Tuner Adjustments

    Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed. Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..manufactured by SANYO.) Show a clean procedure in the following in reference by swab of cotton.
  • Page 4: Exploded View

    EXPLODED VIEW This is a basic exploded view. - 3 -...
  • Page 5: Parts List

    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 DESIGNATED COMPONENTS IN WHICH SAFETY AND ! ! ! PERFORMANCE CAN BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY , USE ONLY THE ! ! ! REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT...
  • Page 6 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION 614 330 9130 ASSY,WIRE,DAMP DG TO DAMP S6156 645 006 5958 SWITCH,PUSH 1P-1T 614 330 9246 FLEXIBLE FLAT CABLE,MAIN TO TU 614 240 1002 SWITCH,TACT 614 330 9116 ASSY,WIRE,MAIN TO AC DG 614 220 5471 SWITCH,TACT 423 016 9902 FUSE 250V 0.8A S6157...
  • Page 7 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION IC140 410 468 0502 IC TC74HCU04AFN-EL, CN651 645 009 4163 SOCKET,FFC 12P HEXINVERTER 645 012 5096 SOCKET,FPC 12P IC150 409 408 1303 IC LB1641L CN652 645 005 8141 PLUG,9P IC160 409 574 9509 IC ES3890F,VCDPROCESSOR 614 310 2502 PLUG,9P IC170...
  • Page 8 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION Q4322 405 138 6403 TR KTD2058Y D4100 407 196 5800 DIODE 1N5402BD82 405 095 1602 TR 2SD2061-E D4101 407 196 5800 DIODE 1N5402BD82 405 095 1701 TR 2SD2061-F D4102 407 196 5800 DIODE 1N5402BD82 Q4330 405 141 3406 TR KTA1266-GR D4103...
  • Page 9 PARTS LIST REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION D2101 407 012 4406 DIODE 1SS133 CN567 645 031 4308 JACK,PHONE D3.6,HEADPHONE D2102 407 012 4406 DIODE 1SS133 CN587 645 008 5314 TERMINAL,SPEAKER D2103 407 149 0807 DIODE 1SS355 645 064 8519 TERMINAL,SPEAKER 4P D2330 407 105 1602 VARACTOR DI SVC342M-V CN597...
  • Page 10: Exploded View & Parts List (Cd Mechanism)

    EXPLODED VIEW & PARTS LIST (CD MECHANISM) CM14 CM01 CM03 CM02 CM04 CM15 CM05 CM15 CM16 CM06 CM16 CM17 CM07 CM18 CM19 CM20 CM12 CM13 CM11 CM09 CM08 CM10 CD MECHANISM REF.NO. PART NO. DESCRIPTION CM15 411 021 1806 SCR S-TPG BIN 2.6X10,BASE FIX REF.NO.
  • Page 11: Ic Block Diagram & Description

    IC BLOCK DIAGRAM & DESCRIPTION IC110 TA2153FN (RF Amp) 36pF SBAD 10pF 12 2VRO 3 STATE RFRP 11 TEB DET. 10 SEL RFCT 9 LDO 8 MDI 15pF BOTTOM RFRPIN 7 TNI PEAK 15pF RFGO 6 TPI 40pF GVSW 5 FPI AGCIN AGC Amp.
  • Page 12 IC BLOCK DIAGRAM & DESCRIPTION IC120 TC9462F (Digital Servo Processor) 55 54 53 52 51 DVSR VREF 1 BIT SERVO CONTROL CLOCK DVDD GENERATOR TEZI TSIN DVSL DIGITAL TEST1 SBAD EQUALIZER TEST2 AUTOMATIC ADDRESS MICON ADJUSTMENT TEST3 RFRP CIRCUIT INTERFACE CIRCUIT BUS0 RFZI...
  • Page 13 IC BLOCK DIAGRAM & DESCRIPTION IC130 TA2092N (Servo Driver) IC150 LB1641L (Bidirectional Motor Driver IC434 KIA7805API (Regulator) OUT1 VCC2 OUT2 P2 PRE- DRIVE 1. INPUT 2. COMMON 3. OUTPUT INPUT LOGIC CIRCUIT IC443 BA7755A (Rec / Play Switch) Input Output Action OUT1 OUT2...
  • Page 14 IC BLOCK DIAGRAM & DESCRIPTION IC160 ES3890F (VCD Processor) GPIO TV-Encoder Interface SRAM/ROM 32-bit Interface RISC Processor Display Controller 8kB cache VSSA AUX2[2]/SQCK RSEVT AUX2[1]/SQSO VREF AUX2[0]/VFD_CLK COMP VCC_P VSS_P MIC2 MIC1 RESET# Gateway VDDA DMA Controller VSSA DBUS15 DBUS11 AUX0[5] AUX0[6] DBUS13...
  • Page 15 IC BLOCK DIAGRAM & DESCRIPTION IC190 M11L16161SA-45T (DRAM) DATA-IN BUFFER CONTROL LOGIC CASL CASH IO15 CLOCK GENERATOR DATA-OUT BUFFER COLUMN COLUMN ADDRESS DECODER BUFFER 1024 SENSE AMPLIFIERS I/O GATING REFRESH CONTROLER 1024 x 16 REFRESH COUNTER 1024 x 1024 x 16 MEMORY 1024 ARRAY...
  • Page 16 IC BLOCK DIAGRAM & DESCRIPTION IC222 TC9257F (Tuner PLL IC) 2 MODULUS 4bit SWALLOW POWER ON 1/ 2 PRESCALER COUNTER RESET RESET TRI-STATE 12bit PROGRAMMABLE COUNTER BUFFER MODE LF TRI-STATE REFERENCE COUNTER BUFFER CIRCUIT (DO2 / OT-4) OT-4 UNLOCK 24bit REGISTER I / O-5 / CLK DATA 24bit SHIFT REGISTER...
  • Page 17 IC BLOCK DIAGRAM & DESCRIPTION IC441 TC9422F (Volume Control) INPUT INPUT SELECTOR SELECTOR 100k 100k L-IN1 R-IN1 L-IN2 R-IN2 L-IN3 R-IN3 GAIN CONTROL GAIN CONTROL 0, 6, 12, 18dB 0, 6, 12, 18dB L-IN4 R-IN4 L-SW-OUT R-SW-OUT MAIN VR MAIN VR 50k / 64STEP 50k / 64STEP L-VR-IN...
  • Page 18 IC BLOCK DIAGRAM & DESCRIPTION IC597 TDA8921TH (Class-D Power Amplifier) BOOT1 RELEASE1 DRIVER IN1- INPUT HIGH CONTROL STAGE MODULATOR SWITCH1 OUT1 IN1+ SGND2 HANDSHAKE ENABLE1 DRIVER BOOT2 mute SGND1 OUT2 IN2- STABI IN2+ TEMPERATURE SENSOR MODE OSCILLATOR MANAGER CURRENT PROTECTION TDA8921TH MODE MODE...
  • Page 19: Pin Description

    IC BLOCK DIAGRAM & DESCRIPTION IC651 TMP87EP26F-4K76 (Micro Controller) I/O ports (Segment output) Common output Segment output LOD Driver Data Memory Stack Pointer Data Memory Program (RAM) (EEPROM) Counter Flags Register banks BOOT Program Memory MROM RESET Interrupt Controller EEPROM System Controller BOOT TEST...
  • Page 20: Fl Display Description

    FL DISPLAY DESCRIPTION FL601 PATTERN AREA PIN No. CONNECTION 9G 10G PIN No. CONNECTION P10 P11 P12 P13 P14 P15 P16 P17 *NOTES* 1) F1,F2 : Filament Pin 3) Pn : Anode Pin 5) NX : No Extended Pin 2) G : Grid PIn 4) NP : No Pin (2G~9G)
  • Page 21: Wiring Connection

    WIRING CONNECTION WIRING DIAGRAM (VOLUME and FRONT) VOLUME P.W.BOARD AC IN AM LOOP ANT. FM ANT. D6303 POWER TRNSFORMER P.W.B CN401 BL CN402 BW CN405 T002A 94V-0 R6306 CN400 (3P) CN203 FU402 1AD4B10D2520F (2P) R6305 (2P) T500mA L 250V CN201 R6304 JOG+ R6303...
  • Page 22: Schematic Diagram (Front)

    SCHEMATIC DIAGRAM (FRONT) C6001 C6002 D6003 D6004 FL601 220/25 220/25 1SS133 1SS133 R6002 44 43 42 41 40 39 38 37 36 35 34 LED1 LED2 LED3 LED4 IC601 PTC6315 D_OUT R6201 CN602 FL_CLK FL_DAT KEY0 12 13 14 15 16 17 18 19 20 21 22 KEY1 FL_STB D6201...
  • Page 23 SCHEMATIC DIAGRAM (CD) Vfer(Vc) 14 13 12 11 10 9 C1422 C1423 R1423 C1282 Q1661 IC121 74HC14 <VAV> Q1651 Q1641 2200P 6.8K 10/50 KTC3203 <3.3V> KTC3203 <VCC> KTC3203 C1421 47/25 C1425 R1425 C1426 R1426 R1215 1A3-I 1A3-I R1420 R1421 8.2K 8.2K D1652 D1642...
  • Page 24: Wiring Diagram

    WIRING DIAGRAM (CD) Parts Side View Pattern Side View C1550 LIMIT C1310 C1321 IC130 C1010 C1221 C1313 R1221 R1222 C1314 R1223 R1223 R1223 C1311 C1312 C1222 D1011 R1234 C1234 M-MUTE D1012 R1233 M-MUTE DISP_CLK DISP_CLK D1653 C1233 DISP_DATA DISP_DATA DISP_STB DISP_STB C1770 CD_RW...
  • Page 25 SCHEMATIC DIAGRAM (AMPLIFIER & MCU) TO_WRITER_TOOL TO_TUNER_SECTION TO_SERVO_SECTION TO SERVO TO_FRONT_SECTION TO_POWER_AMP_SECTION 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 9 10 11 12 R6640 MVDD +12V +12V PRODUCT SAFETY NOTICE 59pin Each precaution in this manual should be followed during servicing.
  • Page 26 WIRING DIAGRAM (AMPLIFER & MCU) CN432 C4300 TO PT J4820 C4303 J4843 J4815 J4613 J4722 CN655 CN439 TO DG PWB CN654 R4301 R6640 R6640 R6640 Q4300 Q4300 Q4300 J4612 J4857 R4303 J4809 R4302 C4465 C4468 J4858 R4304 J4826 Q4301 Q4301 Q4301 R4305 D4465...
  • Page 27 SCHEMATIC DIAGRAM (TUNER) R2108 470K C2001 R2101 1000P Q2101 R2053 C2107 C2211 0.01 1/50 1/50 C2512 R2513 XF221 XF222 0.047 CN201 XF220 450K 10.7M R2001 T2001 FM TERMINAL 10.7M C2511 Q2510 KTC3195 1K C2518 C2222 R2521 1/50 Q2509 KTC3195 CN203 AM ANT RF GND MIX OUT...
  • Page 28 WIRING DIAGRAM (TUNER & POWER TRANSFORMER) POWER TRANSFORMER P.W.BOARD TUNER P.W.BOARD CN401 L2353 C4003 J2103 R2328 C2325 CN402 D4001 R4004 T800mA L 250V C2412 CN404 CN403 D2330 R2330 C2317 FU402 CT252 RY407 J2002 D2103 L2351 R2426 T2405 R2408 R2408 R2408 C2409 C2409 C2409...
  • Page 29 SCHEMATIC DIAGRAM (D-AMP) WIRING DIAGRAM (D-AMP Parts Side View 1AD4B10D2461A 94V-0 F01 L5974 D5973 L5973 C5975 C5971 L5971 -VSS L5970 +VDD L5775 C5970 R5974 R5991 C5776 R5780 R5775 R5775 R5775 C5781 C5980 C5980 C5980 C5985 C5982 C5780 C5984 C5779 C5775 C5883 R5876 R5876...
  • Page 30: Pattern Side View

    CN411 TO PT T002A 94V-0 1AD4B10D2520E C4105 R4101 R4100 C4104 TO PT CN412 TO DAMP_PWB This is a basic wiring diagram. SANYO Electric Co., Ltd. Osaka, Japan May / '04 BB Printed in Japan - 38 - - 39 -...

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Dc-mp7500(sl)/(xe)