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akira MC-4200DVD Service Manual

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DVD MICRO HIFI
Service Manual

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Summary of Contents for akira MC-4200DVD

  • Page 1 DVD MICRO HIFI Service Manual...
  • Page 2 MODEL: MC-4200DVD Model No.: MC-4200DVD Version: 1.0...

  • Page 3: Table Of Contents

    CONTENTS SPECIFICATION ........................4 SAFETY PRECAUTIONS......................5 WIRING DIAGRAM........................10 BLOCK DIAGRAM........................11 DISASSEMBLY FOR REPAIR....................12 CIRCUIT DESCRIPTION ......................14 EXPLODED VIEW ........................17 PART LIST ..........................18 Model No.: MC-4200DVD Version: 1.0...

  • Page 4: Specification

    65(W) x 238(H) x 285(D)mm Dimensions (speaker boxes): 88(W) x 238(H) x 168(D)mm Dimensions (subwoofer): 138(W) x 238(H) x 360(D)mm 2-CH Stereo Speaker 10W x 2 (6 ohm) Sub-woofer: 30W x 1 (6 ohm) Power Source: AC: 230V Model No.: MC-4200DVD Version: 1.0...

  • Page 5: Safety Precautions

    0.5 milliamp, reverse the unit power cord plug in the outlet and repeat test. ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HERENING INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED RETURNING THE UNIT TO THE CUSTOMER. Model No.: MC-4200DVD Version: 1.0...
  • Page 6 “infinite”. If it is not within the limits specified, there is possibility of a shock hazard, and the unit must be repaired and rechecked before it is returned to the customer. Model No.: MC-4200DVD Version: 1.0...
  • Page 7 Use of a substitute replacement that dose not have the same safety characteristics as the recommended replacement part might create shock, fire, and /or other hazards. Product safety is under review continuously and new instructions are issued whenever appropriate. Model No.: MC-4200DVD Version: 1.0...
  • Page 8 Do not apply AC power to this unit and /or any its electrical assemblies unless all solid-state device heat sinks are correctly installed. Always connect a test unit instrument’s ground lead to the unit’s chassis ground before connecting the test instrument’s positive lead always remove the test instrument’s ground leadlast. Model No.: MC-4200DVD Version: 1.0...
  • Page 9 1. Use of controls, adjustment or performance of procedures herein may result in hazardous radiation exposure. If interlock fails or is defeated, the laser light is able to function. The laser is invisible, avoid direct exposure to beam. Model No.: MC-4200DVD Version: 1.0...

  • Page 10: Wiring Diagram

    WIRING DIAGRAM SCART CN304 CN303 CN301 MPEG BD. COAXIAL CN302 OPTICAL OUT VIDEO OUT POWER/JACK BD. AUDIO OUT DISPLAY BD. CN801 CN802 POWER SWITCH CD MECHANISM AC IN Model No.: MC-4200DVD Version: 1.0...

  • Page 11: Block Diagram

    Video Out MPEG BD. Q309-311 F.SW SCRAT Out R.G.B. Out AV JACK BOARD CLK. 27MHz T367 KEY/DISPLAY CONTROL BOARD Standby/Open LED IC801 SW801-812 System Control Microprocessor Function Key IC802 Remote Sensor AC3V5 Input DISPLAY VFD801 -27V Model No.: MC-4200DVD Version: 1.0...

  • Page 12: Disassembly For Repair

    3. Remove the 6 screws (C) from the rear cabinet. To disassembly the top cabinet. 4. Remove the 3 screws (D) from the top cabinet. 5. Remove the 6 screws (E) from the left side and bracket. Model No.: MC-4200DVD Version: 1.0...
  • Page 13 To remove the rear cabinet. 6. Remove the 8 screws (G) from the rear cabinet. Model No.: MC-4200DVD Version: 1.0...

  • Page 14: Circuit Description

    CIRCUIT DESCRIPTION Programmable shunt regulator: KA431AZTA (IC603) CATHODE REFERENCE 2.5 Vref ANODE CATHODE(K) REFERENCE(R) ANODE(A) Infrared remote control transmitter: PT2222-002 (IC1) KI/O KI/O KI/O KI/O KI/O KI/O OSCO KI/O OSCI KI/O Model No.: MC-4200DVD Version: 1.0...
  • Page 15 (16 bits x 11 Words) SG6/KS6 Segment Driver/ Grid Driver/ Timing Generator SG10 Key Scan Output SG11 SG12/GR11 Key Matrix Memory General SG13/GR10 Input Register SG14/GR9 SG15/GR8 SG16/GR7 LED1 LED2 Driver LED3 LED4 Grid Driver Diming Circuit Model No.: MC-4200DVD Version: 1.0...
  • Page 16 7.5V Power on reset OVER VOLTAGE S/D Wide bandwidth dual bipolar operational amplifier: TJM4558D (IC301) Output 1 Vcc + Output 2 Inverting input 1 Non-inverting input 1 Inverting input 2 Vcc - Non-inverting input 2 Model No.: MC-4200DVD Version: 1.0...

  • Page 17: Exploded View

    EXPLODED VIEW Model No.: MC-4200DVD Version: 1.0...

  • Page 18: Part List

    020-41100-008 POWER SWITCH SS-160-7 046-20300-022 RCA JACK RS-313-18 023-60020-203 AC LINE CORD VDE APPLICATION 6’ 046-20200-019 T083F RCA JACK RS-213-13 (2P) 125-03670-000 T367 PCB COVER PLATE 046-20100-021 RCA JACK PCB-TYPE RS-116/OR(1P)(ORANGE) 046-50100-002 S-VIDEO SOCKET MD-121 Model No.: MC-4200DVD Version: 1.0...
  • Page 19 SCREW 3X6 STB (TB) (BBZ30P060FMC) 144-53006-201 SCREW 3X6 STB (TB) (BBZ30P060FMC) 144-53006-201 SCREW 3X6 STB (TB) (BBZ30P060FMC) 144-23012-201 T367 SCREW 3X12 BM 180-03675-0401-220 T380PB METAL REAR PLATE 133-03678-310 T367 MOUNTING BRACKET-B 046-20200-055 VCD928/RZ8300 RCA JACK RS-213-01 Model No.: MC-4200DVD Version: 1.0...