Daewoo DHC-X100 Service Manual
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Daewoo DHC-X100 Service Manual

Dhc-x100 series
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S/N No. :
Service Manual
Digital Home Cinema System
Mini Component System
DHC-X100 Series
Model:
DHC-X100/X150
[DHC-X100]
[DHC-X150]
DAEWOO ELECTRONICS CO., LTD.
http : //svc.dwe.co.kr
Aug. 2003

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Summary of Contents for Daewoo DHC-X100

  • Page 1 S/N No. : Service Manual Digital Home Cinema System Mini Component System DHC-X100 Series Model: DHC-X100/X150 [DHC-X100] [DHC-X150] DAEWOO ELECTRONICS CO., LTD. http : //svc.dwe.co.kr Aug. 2003...

  • Page 2: Table Of Contents

    DIGITAL HOME CINEMA SYSTEM [* DVD-DR4033 for Quelle] DHC-X100 DHC-X150 Contents 1. SAFETY PRECAUTIONS............2/3 2. SPECIFICATIONS..............4 8. INTERNAL BLOCK DIAGRAM OF ICs......18/23 3. LOCATION OF USERS CONTROLS........5/7 9. BLOCK DIAGRAM..............24 FRONT PANEL REAR PANEL 10. WIRING DIAGRAM...............25 DISPLAY REMOTE CONTROLLER 11.

  • Page 3: Safety Precautions

    1. Safety Precautions WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE laundry tub, in a wet basement, or near a swimming pool, THIS APPLIANCE TO RAIN OR MOISTURE. and the like. 2. Carts and Stands - The appliance PORTABLE CART CAUTION should be used only with a cart or...
  • Page 4 1. Safety Precautions 13.Outdoor Antenna Grounding - If an outside antenna is 15.Object and Liquid Entry - Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through connected to the receiver be sure the antenna system is openings.

  • Page 5: Specifications

    2. Specifications General specifications Power consumption Standby 2Watt Power supply AC 110V or 120V or 127V / 60Hz Operating 90Watt Voltage ( Option ) 220V or 230V or 240V / 50Hz Dimensions (W x D x H) / Weight 360 x 380 x 70mm/ 6.0 kg Front Amp.

  • Page 6: Location Of Users Controls

    3. Location of Users Controls Front Panel [DHC-X100] 1. STANDBY indicator 2. STANDBY / ON button 8. NEXT ( ) button 3. DVD/VIDEO CD/MP3 CD/audio CD disc tray 9. FUNCTION button 4. OPEN/CLOSE ( ) button 10. Remote Control Sensor 5.

  • Page 7: Rear Panel

    3. Location of Users Controls Rear Panel S-VIDEO OUT (DVD ONLY) 1. AUDIO IN jacks 2. VIDEO IN jack 8. AM ANTENNA connector 3. MONITOR OUT jack 9. FM ANTENNA connector 4. DIGITAL OUTPUT jack 10. FRONT SPEAKER connectors 5. S VIDEO OUT jack 11.

  • Page 8: Display

    3. Location of Users Controls Remote Controller 1. STANDBY/ON button 2. OPEN/CLOSE button 3. MUTE button 4. INPUT SELECTOR: DVD button / TV SYSTEM button 5. INPUT SELECTOR: TUNER(FM/AM) button 6. INPUT SELECTOR: VIDEO, TV/AUX button 7. FAST REVERSE(FR) ( ) button 8.

  • Page 9: Connecting To Equipment

    4. Connecting to Equipment Connecting to TV S-VIDEO OUT (DVD ONLY) Connecting to AUDIO & VIDEO S-VIDEO OUT (DVD ONLY)

  • Page 10: Connecting To Speaker

    4. Connecting to Equipment Connecting to Speaker To prevent damage to circuits, never short-circuit the positive (+) and negative (-) speaker wires. Do not connect the speaker cable to the L and R connectors at the same time and do not connect more than one speaker to the same speaker connectors.

  • Page 11: Trouble Shooting Guide

    5. Trouble Shooting Guide Basic Operating Insert AC Power Cord. Is STANDBY LED on? Check POWER SUPPLY circuit. Check connection CN700, CW712, CW902 Turn Power on. Is POWER on? Check power supply circuit. Does initial read work Check LASER circuit. Check focus circuit.

  • Page 12: Display

    5. Trouble Shooting Guide Mi-Com Circuit Push power on. Does DVD appear at VFD ? Check Power. Does loading appear at VFD ? Check connector Check loader. Check Power Supply Circuit. CW701 if it normaly? Check MPEG PCB. Does no DISC or time appear at VFD ? Check power supply circuit of...
  • Page 13 5. Trouble Shooting Guide Front Circuit Insert AC Power Cord. LED ON Check if the Check if the POWER PART of the CW700 is OK ? FRONT is OK. STANDBY ON Refer to POWER Re connect it. SUPPLY circuit. Check if the Check if the FRONT POWER IC750 PIN(22),(23)

  • Page 14: Display

    5. Trouble Shooting Guide Audio Block MAIN VOLUME & REMOTE CONTROL CHANNEL Level Abnormal Abnormal Check if the Check if the IC750 IC300, IC310, IC400 is PIN2 is OK. Refer to DAC IC310 Refer to RMC Refer to FRONT PCB Refer to MICOM Subwoofer output H/P outout Abnormal...

  • Page 15: Display

    5. Trouble Shooting Guide DVD Block SOUND Abnormal Check if the IC310 is OK. Refer to MPEG circuit. Check if the IC301, IC302, IC303 is OK. Check if the Micom interface is OK. Check if the SPK OUT is OK. Refer to AMP circuit.

  • Page 16: Dvd Program Download Method

    6. DVD Program Download Method INSERT THE UPDATE DISC INTO THE DISC TRAY, THEN THE DVD RECEIVER READS THE DISC AND UPDATE THE FIRMWAFE ITSELF AS FOLLOWINGS. @ INSERT THE UPDATE DISC. STATUS MONITOR SET CONDITION STARTING UPDATE DISC LOADING LOADING DOOR CLOSE DETECT THE UPDATE DISC...

  • Page 17: Audio Out Signal Waveform

    7. Waveforms of Major Check Method TEST POINT : DVD TEST DISC MDVD-W111 TRACK2 COLOR BAR Audio Out Signal Waveform DAC Output Signal Waveform Optical Output Audio Data Signal waveform L/R Clock Data Waveform During Normal Play Serial Data Output Waveform During Normal Play...

  • Page 18: Pr Output Data Waveform In Component Output

    7. Waveforms of Major Check Method TEST POINT : DVD TEST DISC MDVD-W111 TRACK2 COLOR BAR Pr Output Data Waveform in Component Output Pb Output Data Waveform in Component Output Y Output Data Waveform in Component Output...

  • Page 19: Internal Block Diagram Of Ics

    8. Internal Block Diagram of ICs CS4360 BA4560F LA7952...
  • Page 20 8. Internal Block Diagram of ICs NJW1104 Center Mode LOUT Input Autobalance Noise Sequencer Adaptive Matrix COUT ROUT Modified Delay B-NR EXTIN SOUT 7KHz MCU Interface SW. Controller ADD/SUB Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name Pin No.
  • Page 21 8. Internal Block Diagram of ICs TDA7265/7269A 1000 F MUTE/ ST-BY IN (L) OUT (L) RL (L) IN- (L) 100nF IN- (R) OUT (R) IN (R) RL (R) 100nF 1000 F D94AU085 KA278R05/278R33 OVERVOLTAGE THERMAL SHUTDOWN PROTECTION BANDGAP REFERENCE SOA PROTECTION HIGH / LOW OUTPUT ON / OFF...
  • Page 22 8. Internal Block Diagram of ICs ES6028 NJM4558...
  • Page 23 8. Internal Block Diagram of ICs HY57161610DTC-8...

  • Page 24: Internal Block Diagram Of Ics

    8. Internal Block Diagram of ICs M62446AFP...

  • Page 25: Exploded View And Mechanical Parts List

    14. Exploded View and Mechanical Parts List DHC-X100...

  • Page 26: Exploded View And Mechanical Parts List

    14. Exploded View and Mechanical Parts List DHC-X150...

  • Page 27: Electrical Parts List

    15. Electrical Parts List PCB MAIN AS [9CDC066900]...

  • Page 28: Electrical Parts List

    15. Electrical Parts List...
  • Page 29 15. Electrical Parts List PCB DSP ASS'Y [9CDC067300] PCB FRONT ASS'Y [9CDC067000] PCB STANDBY ASS'Y [9CDC067100] PCB REGULATOR ASS'Y [9CDC067200]...
  • Page 30 15. Electrical Parts List...
  • Page 31 15. Electrical Parts List Component/Scart Option...
  • Page 32 15. Electrical Parts List Arear Option RDS Option Tuner Option TUNER OPTION LIST...

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Dhc-x150

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