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Sanyo DC-MCR50 Service Manual

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Service Manual
CONTENTS
Laser beam safety precaution .......................................... 1
Block diagram .................................................................. 1, 7
Tuner Adjustment ............................................................. 2
Exploded View (Cabinet & Chassis) ................................ 3
Parts List .......................................................................... 4
Schematic Diagram (Main) .............................................. 12
Wiring Diagram (CD Main, CD Door Sw, LED1, LED2,
and Audio) ......................................... 14
Wiring Connection ........................................................... Rear
Micro Component System
FILE NO.
DC-MCR50
(XE)
PRODUCT CODE No.
129 664 02
SM
5810404
REFERENCE No.

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  Summary of Contents for Sanyo DC-MCR50

  • Page 1: Table Of Contents

    FILE NO. DC-MCR50 Micro Component System Service Manual (XE) CONTENTS PRODUCT CODE No. 129 664 02 Laser beam safety precaution .......... 1 Block diagram ..............1, 7 Tuner Adjustment ............. 2 Exploded View (Cabinet & Chassis) ........ 3 Parts List ................4 Schematic Diagram (Main) ..........

  • 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 – INVISIBLE LASER RADIATION WHEN OPEN AND CAUTION : INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM. ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR USE OF CONTROLS OR ADJUSTMENTS SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ...

  • Page 3: Tuner Adjustment

    TUNER ADJUSTMENTS Use a plastic screw driver for adjustments. Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter. Supply voltage DC 12.0V Phones impedance 32 ohms Function switch RADIO a. Parts Location b. AM Adjustment BAND SELECT SWITCH: AM.

  • Page 4: Exploded View(Cabinet & Chassis)

    EXPLODED VIEW(CABINET & CHASSIS) - 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 DESIGNATE COMPONENTS IN WHICH SAFETY ! ! ! CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL.
  • Page 6 PARTS LIST LED 1 P.W.BOARD ASSY REF.NO. PART NO. DESCRIPTION C0509 403 058 5209 POLYESTER 0.15U K 50V REF.NO. PART NO. DESCRIPTION C0510 403 058 5209 POLYESTER 0.15U K 50V 614 327 0034 ASSY,PWB,LED 1(Only initial) C0511 403 058 5209 POLYESTER 0.15U K 50V LED01 645 062 0881 LED C0512...
  • Page 7 PARTS LIST REF.NO. PART NO. DESCRIPTION LED 2 P.W.BOARD ASSY JK301 645 062 1178 SPEAKER TERMINAL REF.NO. PART NO. DESCRIPTION JK302 645 057 2449 OPTICAL TRANSMITTING, 614 327 0041 ASSY,PWB,LED 2(Only initial) SUBWOOFER LED02 645 062 0881 LED JK501 645 062 1154 RCA JACK SPEAKER SYSTEM L0102 645 062 0812 FM COIL...
  • Page 8 IC BLOCK DIAGRAM & DESCRIPTION IC501 LC75342 (2 band equalizer) LSELO LIN LTRE LBASS1 LBASS2 LOUT TEST LVref CONTROL CIRCUIT LOGIC CIRCUIT INTERFACE CONTROL CIRCUIT RVref Vref RSELO RIN RTRE RBASS1 RBASS2 ROUT Pin functions Pin Number Description Input signal connections LSEL0 Input selector outputs RSEL0...
  • Page 9 IC BLOCK DIAGRAM & DESCRIPTION IC701 LC587008 (4bit MICON) Continued from preceding page. QIP-80 Function Option At reset Function Option At reset Pin No. Pin No. I/O ports Tra nsis tors to hold Power supply a low or high leve l Function: The same as for pins A1 to A4 LCD drive power supply Sel ecti on of eith er...
  • Page 10 IC BLOCK DIAGRAM & DESCRIPTION IC702 PST600 (Regulator) Vout IC901 LA9242 (Servo) 57 56 55 54 53 52 51 50 RF DET FIN2 FIN1 U-COM DGND INTER FACE RFS- RFSM RF Amp TESI T.SERVO & T .LOGIC SLOF TOFF SPINDLE SERVO F .SERVO &...
  • Page 11 IC BLOCK DIAGRAM & DESCRIPTION IC902 LC78622 (Digital Signal Processor) TST11 TEST2 TEST4 EFMO PDO ISET FR TEST1 TEST3 TEST5 59 64 11 32 33 62 RAM Address Slice level 2KÅ~8bit DEFI VCO Clock Oscillator Generatorl Control & Clock Control EFMIN Syncrnous Detect Interpolalation Mute...
  • Page 12 IC BLOCK DIAGRAM & DESCRIPTION IC903 LC6541D (4 ch. Bridge CD Driver) Vref VIN4 VIN3 11k Ω 11k Ω Level Level RESET Sift Driver Driver Sift Level Level Regulator Sift Driver Driver Sift 11k Ω 11k Ω Mute VIN1 VIN2 Reg OUT Reg IN IC904 LC1641 (Motor Driver) IC301 LA4725 ( Power) OUT1...

  • Page 13: Schematic Diagram (Main)

    SCHEMATIC DIAGRAM (MAIN) This is a basic schematic diagram. - 12 - - 13 -...

  • Page 14: Wiring Diagram

    WIRING DIAGRAM (CD MAIN, CD DOOR SW, LED1, LED2 and AUDIO) CD DOOR SW LED2 LED1 CD MAIN AUDIO - 14 - - 15 -...

  • Page 15: And Audio)

    WIRING DIAGRAM (DISPLAY and PHONE & REMOTE ) PHONE & REMOTE DISPLAY - 16 -...

  • Page 16: Wiring Connection

    WIRING CONNECTION This is a basic wiring connection . SANYO Electric Co., Ltd. OSAKA, JAPAN Apr./ '03 BB Printed in Japan...
  • Page 17 This file has been downloaded from: www.electronica.ro Service Manuals, Schematic Diagram, Repair...