S/N No. : 9CD8303000 Service Manual DVD Micro System Mini Component System Model: RD-400 ( ) Series series only DAEWOO DAT CO., LTD. FEB.2005 2004 JAN.
DVD MICRO SYSTEM RD-400 ( ) Series Contents 1. SAFETY PRECAUTIONS......................................................1/2 2. SPECIFICATIONS....................................................................3 8. INTERNAL BLOCK DIAGRAM OF ICs..........................24/28 3. LOCATION OF USERS CONTROLS....................................4/6 9. BLOCK DIAGRAM...............................................................29 FRONT PANEL REAR PANEL DISPLAY REMOTE CONTROLLER 4. CONNECTING TO EQUIPMENT.....
1. Safety Precautions laundry tub, in a wet basement, or near a swimming pool, and the like. 2. Carts and Stands - The appliance PORTABLE CART should be used only with a cart or stand that is recommended by th manufacturer. 3. An appliance and cart combination should be moved with care. Quick stops, excessive force, and uneven surfaces may cause the appliance and cart combination to overturn. Figure 2 4.
1. Safety Precautions 13.Outdoor Antenna Grounding - If an outside antenna is connected to the receiver be sure the antenna system is grounded so as to provide some protection against voltage surges and built-up static charges.
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3. Location of Users Controls Front Panel 1 2 16 3 15 4 5 14 6 7 8 9 10 11 12 13 ) button 9. PREV ( ) button 10. NEXT ( 11. USB jack(Option) 12. Microphone jack 13. Mic. VOLUME Control 14. FUNCTION button 15. OPEN/CLOSE ( ) button 16. MASTER VOLUME Control 1. Remote Control Sensor 2. Display 3. DISC TRAY 4. STANDBY/ON button 5. STANDBY/ON LED lamp 6. PHONES jack 7. PLAY ( ) button 8.
3. Location of Users Controls Rear Panel 1. COMPONENT VIDEO OUTPUT Y/Pb/Pr jacks (Optional) 2. Power cord 3. COAXIAL OUTPUT jack 4. AUDIO INPUT(R/L) jacks 5. VIDEO INPUT jacks 6. VIDEO OUTPUT jacks 7. SUBWOOFER OUTPUT connectors : For Active subwoofer speaker(User option) 8. S-VIDEO MONITOR OUT jack 9. FRONT SPEAKER connectors 10. AM(MW) ANTENNA connector 11. FM ANTENNA connector 12.
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(PAL/NTSC: DVD only) button 5. INPUT SELECTOR: VIDEO button 6. INPUT SELECTOR: TUNER button 7. FAST REVERSE(FR) ( ) button 8. FAST FORWARD(FF) ( ) button 9. SKIP PREV ( ) button 10. SKIP NEXT ( ) button 11. Direction ( ) buttons 12. Enter button 13. PLAY ( ) button 14. VOLUME( ) buttons 15. SETUP button 16. STOP( ) button 17. MENU/RETURN button 18.
4. Connecting to Equipment Connecting to TV 21-Pin SCART Cable(not included) to 21-pin SCART input terminal on TV SCART Specification : Composite and Component Video output(DVD, Video)Audio L/R Output(DVD only) for EU version: optional If the TV or monitor is equipped with an S video input, make the S video connection in addition to the normal video connection. The S video connection will provide higher quality picture playback.
4. Connecting to Equipment Connecting to Speaker Before connecting This machine is designed to reproduce optimum sound quality when speakers with the specified impedance below are connected. Please check the following information and choose speakers with appropriate impedance for the connections. Front speakers(L/R) : 6 ohms min. per speaker To prevent damage to circuits, never short-circuit the positive (+) and negative (-) speaker wires.
5. Firmware Upgrade Preparing the Firmware Upgrade 1. Write a disc to update file by PC Writing Program. 2. A size of dummy folder is more than 10M bite. (ex : font_dw, attached picture) 3. Put firmware file in a disc. • Basic Model : A400L_8.ROM • DivX Model : A400L_16.ROM Activating the Firmware Upgrade 1. Open the door of DVD receiver. 2. Insert the update disc into the disc tray. 3. Close the door, then DVD receiver reads the disc, and update the firmware itself. DISC LOADING Starting Update. 1.
5. Firmware Upgrade Read the disc. READING OK 1. Automatically open the door, after read from disc. 2. Take a disc out of a tray FLASH Checksum check & Update new firmware. CHECKSUM OK ERASE/WRITE Caution • While updating, if the door opened or closed by touch, or power button is pressed, the Flash Memory will be damaged. Completed Update. 1. Automatically power off (about 15 sec),after complete update. 2. Press POWER button, the System is working. DONE Check the Update Version. 1.
6. Trouble Shooting Guide Audio Part 1. BASIC OPERATING START No Is Standby LED on? Check Power Supply Circuit. Check Connection CN901, CN951. Yes Turn Power on. No Is Power on? Check DVD Processor Circuit. IC501 Block. Yes Does Initial read work? No Check DVD Mechanism. Check RF Circuit IC301. Yes No Does It Play? Check DVD Region. Check RF Circuit IC301. Yes No Does It Output Audio? Check Audio Section.
6. Trouble Shooting Guide Front Circuit 1. INITIAL OPERATING START No Is Standby LED on? Yes Is Power on? Check Connection CN901/CN951. Check Power Supply. Yes Check OSC waveform of XC501. Check I2C Line of IC504. Check interface of VFD Driver No Check VFD Data Interface. VFD_DATA/CLK. Replace Front PCB Ass'y. Yes Check interface of SDRAM No Check CLK of SDRAM. Replace Flash Memory. Yes No Yes 1 12 No Check Devices connected I2C Line. Yes Initial Operation OK.
6. Trouble Shooting Guide Audio Part 3. AUDIO Abnormal Audio Abnormal of DVD Function No Check if the I2S Output of IC501 is ok? Replace IC501. Yes No Check if theI2S Input of IC861 is ok? Check Chip Resistor HA861 Yes Check if the Output of IC861 is ok? Check if suppled power is ok? Yes Video Output Funtion 1 Digital Audio Input Funtion 3 No No Check Regulator Circuit. IC904.
6. Trouble Shooting Guide Audio Part 3. AUDIO Abnormal Audio Abnormal of Tuner /Video Input Function Check if the Audio output of IC401 is ok? No Check if the Audio Input of IIC401 is ok? Yes Check Audio In Line of J481 Yes Check if the Audio output of IC421 is ok? No Check Regulator Circuit IC902, 903 Yes 1 4.
6. Trouble Shooting Guide Audio Part 5. AUDIO CONTROL Abnormal Audio Abnormal of Volume Control Check if the data of IC501 is ok? No Check Input Data of Volume is ok? No Yes Yes Replace IC501 Check if the I2C Waveform of IC841 is ok? Check Encoder SW. VR701 No Yes OK Check between IC501 to IC841 5.
6. Trouble Shooting Guide Audio Part 6. VIDEO OUTPUT Abnormal VIDEO Abnormal of Component Check if the Output of IC501 is ok? No Check Crystal is ok? No Replace Cystal, XC501. Yes Check Setup is ok? Yes Replace IC501 Yes Check the output of Jack is ok? No Check Filter Circuit. Yes OK 16 No Setting for RGB Mode.
6. Trouble Shooting Guide Audio Part 6. VIDEO OUTPUT Abnormal VIDEO Abnormal of S-VIDEO Check if the Output of IC501 is ok? No Check Crystal is ok? No Replace Crystal, XC501. Check Setup is ok? Yes Replace IC501 Yes Check the output of Jack is ok? No Check Filter Circuit. Yes OK 17 No Setting for S-VIDEO Mode.
6. Trouble Shooting Guide Audio Part 6. VIDEO OUTPUT Abnormal VIDEO Abnormal of Composite Check if the Output of IC501 is ok? No Check Crystal is ok? No Replace Crystal, XC501. Yes Replace IC501 Yes Check the output of IC481 is ok? No Check the control of Select is ok? No Check Power Supply Circuit. Check Control Line between IC510 : Pin12, 15 Yes Replace IC481 Yes Check the output of Jack is ok? No Check Filter Circuit.
6. Trouble Shooting Guide Audio Part 7. MECHA CONTROL Abnormal Control Abnormal of Open/Close Check if the data input of IC501 is ok? No Check VFD data is ok? Yes No Replace Front PCB Ass'y. Check Connection CN701. Check data waveforn of VFD_DATA, CLK, CS Replace IC501 Yes Check the output of IC303 pin 1,7 is ok? No Check the Supplied power is ok? No Check Power Supply Circuit.
6. Trouble Shooting Guide Audio Part 7. MECHA CONTROL Abnormal Control Abnormal of Disc Loading Check if the data input of IC501 is ok? No Check VFD data is ok? Yes No Replace Front PCB Ass'y. Check Connection CN701. Check data waveforn of VFD_DATA, CLK, CS Replace IC501 Yes Check the output of IC302 is ok? No Check the Supplied power is ok? No Check Power Supply Circuit. Yes Check the interface data is ok? No Check data between IC501.
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PCB MAIN Ass'y [9CDC074900] : RD400 MAIN Loc.
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Loc. VR751 XC701 Part Code 5V1503730B ZTB455ET3C Part Name VR ROTARY RESONATOR CERA Description XV09211NPV20F1B50K 455KHz Remark Description Remark PCB POWER Ass'y [9CDC075100] : RD400 POWER Loc.