Roadstar DVR-9100 Service Manual
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Roadstar DVR-9100 Service Manual

Roadstar DVR-9100 Service Manual

Dvd rw recorder system
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DVR-9100

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Summary of Contents for Roadstar DVR-9100

  • Page 1 DVR-9100...
  • Page 2 caution Many electrical and mechanical parts in this chassis have special safety characteristics. These safety characteristics often pass unnoticed and the protection afforded by them can not necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts that have these special safety characteristics are identified in this manual and its supplements;...

  • Page 3: Table Of Contents

    CONTENTS SPECIFICATIONS ..................ADVANTAGES OF THISRODUCT..............TROUBLE SHOOTING ................... WAVEFORMS ....................VOLTAGE CHARTS..................CIRCUIT DIAGRAM..................BLOCK DIAGRAM..................PCB CIRCUIT BOARD..................INSTRUMENT DISASSEMBLY................

  • Page 4: Specifications

    SPECIFICATIONS Power Supply AC 110V~230V / 50~60Hz Power Consumption 15~40W TV Signal System Standard PAL System Laser Semiconductor Laser,650nm 41~95 Operating Temperature Operating Humidity 5%~85% Operating Altitude -305~3048m Video Output Level 1V±0.2Vpp DVD Record Media DVD+RW,DVD-R DVD Playback DVD+RW , DVD+R , DVD-R Video Mode , DVD-RW Video , CD , CD-R , CD-RW , VCD , CD-DA(CD-Digital Audio) , SVCD(Super Video CD) Signal Source...

  • Page 5: Advantages Of Thisroduct

    ADVANTAGES OF THIS PRODUCT Playable Disc Formats DVD-Video (single-sided/single-layer,single-sided/double-layer,double-sided/single-layer,double-sided/double-layer) DVD+RW , DVD+R , DVD-RW , DVD-R Video-CD (1.0,1.1&2.0) SVCD , CD-DA , Mixed CD-DA (which is mixed data and audio) DTS encoded Audio CD MP3 Audio CD (generated by CD-R or CD-RW) WMA Audio CD (generated by CD-R or CD-RW) JPEG file disc Kodak Picture disc...

  • Page 6: Trouble Shooting

    TROUBLE SHOOTING 1. POWER TEST A. Power Board Test No Power Measure if 5V is Change Power Board correct ? Measure if 3.3V Change Power Board is correct ? Measure if AC3.9 Change Power Board is correct ? Measure if -27V Change Power Board is correct ? Measure if 12V...
  • Page 7 TROUBLE SHOOTING B. Power LED or VFD panel error No LED display Front board LED Change LED broken or contrary polar ? Change VFD panel broken VFD panel or pin shot ? 12 pins cable between front board and main board is connected well.
  • Page 8 TROUBLE SHOOTING 2. PLAYBACK TEST A. Loading Time Too Long Loading error 40 pins cable between M/B Change M/B and DVD loader is IC U25 connected well? Check resisters had contact that near M/B IC U8,U9,U25,U34. If loading error. Change M/B IC U25 Change M/B...
  • Page 9 TROUBLE SHOOTING B. Remote Control Not Working Properly Remote Control error Check batteries of remote control are good. If M/B IC U34 Change M/B IC U34 #4 is 5V F/B IR receiver Change F/B U3 U3 #1 is 5V & #3 is else change F/B outputting signal...
  • Page 10 TROUBLE SHOOTING D. Power on noise or noisy loader System noise Check noise source If noise is from Change loader loader Change M/B Reading DVD test discs N.G. or loader doesn’t function, scratches disc or bad readability. The loader can’t work Check all cables are in correct position.
  • Page 11 TROUBLE SHOOTING 3. VIDEO TEST A. No signal input No signal input Check all cables are in correct position. Check M/B J3 & J29 for proper soldering. Check M/B IC U34 #151,154,157,160~162,205,208,211 whose 2 parts RLC for proper soldering If M/B IC U19 Change U19 #5 is 27MHz Check connectors J4,J7 &...
  • Page 12 TROUBLE SHOOTING B. AV input signal-no video output images or abnormal video output AV input signal error Check all cables are in correct position. Check Inspect the whole process J45 or U2 again according to procedure on the main board or any resistors for B on Item 3 short circuit...
  • Page 13 TROUBLE SHOOTING C. TV tuner input-no video output images or abnormal video output TV input signal error Use TV cable or signal generator to input TV signals. Measure the voltage on pin5 There’s a 5v and pin6 on U103 with a but no a 32v multimeter if it’s 5v or Check the resistors,...
  • Page 14 TROUBLE SHOOTING D. S-video input-no video output or abnormal video output or black and white video S-video signal error Check the S-video input/output cable to see if it’s in the right position and secured to the socket. Black and white images may be caused be caused to the socket.
  • Page 15 TROUBLE SHOOTING 4. AUDIO TEST A. Left and Right channel not functioning normally Left & Right channel error Check positions J3, U12~U15 on the main board or any resistors and capacitors near the IC for short circuits and bad soldering. If the main board &...
  • Page 16 TROUBLE SHOOTING B. The sound of AC-3 or SPDIF not functionally normally Sound of AC-3 or SPDIF error Check positions J3, U12~U15 on the main board or any resistors and capacitors near the IC for short circuits and bad soldering. Check positions J1 &...
  • Page 17 TROUBLE SHOOTING C. No sound in R/L audio inputs or abnormal sound. R/L audio error Check the flat cable connected to the main board to see if it’s secured to the right socket. Check positions J3,J45, U12~U15,U20,U21,U24 on the main board or any resistors Change main board or capacitors nearby for short circuit or bad...
  • Page 18 TROUBLE SHOOTING D. The sound of TV-tuner audio L/R channel not functionally normally R/L audio error Check the flat cable connected to the main board to see if it’s secured to the right socket. Use TV cable or signal generator to input TV signal.
  • Page 19 TROUBLE SHOOTING Check if the main board and I/O board are properly connected together (check if the pin assignments are correctly connected.) Check positions J1 & J36 on the I/O board or any resistors Repair or capacitors nearby for short circuit or bad soldering.
  • Page 20 TROUBLE SHOOTING E. TCD-731 or SBC444A or CBS or MP3 not sounding normally Audio error Check the flat cable connected to the main board to see if it’s secured to the right socket. Check if the frequency Change U19 of pin5 on U19 located on the main board 27 MHz Check...
  • Page 21 TROUBLE SHOOTING 5. RECORD TEST A. AV input can’t record AV input can’t record Check AV cord between source unit and DVD-R100 is connected properly or replace AV cord. Check if the disc is a DVD+R or DVD+RW disc and there’s space available for recording. The data inside a DVD+RW disc can be erased using the function key A disc can record only one kind of format of...
  • Page 22 TROUBLE SHOOTING B. S-video input can’t record S-video input can’t record Check S-video cord between source unit and DVD-R100 is connected properly or replace AV cord. Check if the disc is a DVD+R or DVD+RW disc and there’s space available for recording. The data inside a DVD+RW disc can be erased using the function key A disc can record only one kind of format of...
  • Page 23 TROUBLE SHOOTING C. TV-tuner input can’t record TV-tuner input can’t record Check coaxial cable between source unit and DVD-R100 is connected properly or replace AV cord. Check if the disc is a DVD+R or DVD+RW disc and there’s space available for recording. The data inside a DVD+RW disc can be erased using the function key A disc can record only one kind of format of...
  • Page 24 TROUBLE SHOOTING 6. FUNCTION TEST A. Image can’t stop or mute, fast forward and fast forward key don’t function Image function error If the machine is functioning normally, check the battery in the remote control. Change the battery if necessary. Check U34 and any components nearby for bad replace it with a working...
  • Page 25 TROUBLE SHOOTING B. Front panel buttons Front panel buttons Check U34 and any components nearby for bad soldering, open/short circuit, damage, etc. Remove F/W (U25) and replace it with a working Replace main board F/W, check if the machine will function normally. Remove the top cover, remove the panel;...
  • Page 26 TROUBLE SHOOTING SYSTEM TEST A. Can’t enter system setup or after setup, system hangs or don’t function System error Check components U8, U9 and Repair Replace main board soldering, IC for bad etc.

  • Page 27: Waveforms

    WAVEFORMS VIDEO Composite signal Composite signal 500mV 500mV 250MS/s 250MS/s (PLAY) (REC) S-video signal (Y) S-video signal (Y) 500mV 500mV 250MS/s 250MS/s (PLAY) (REC) S-video signal (C) S-video signal (C) 500mV 500mV 250MS/s 250MS/s (PLAY) (REC)
  • Page 28 WAVEFORMS A/V signal (R) A/V signal (R) 500mV 500mV 5.0GS/s 5.0GS/s (PLAY) (REC) A/V signal (G) A/V signal (G) 500mV 500mV 125MS/s 125MS/s (PLAY) (REC) A/V signal (B) A/V signal (B) 500mV 500mV 5.0GS/s 5.0GS/s (PLAY) (REC)
  • Page 29 WAVEFORMS AUDIO AOL signal AOL signal 500mV 500mV 2.5MS/s 1.25MS/s (PLAY) (REC) AOR signal AOR signal 500mV 500mV 2.5MS/s 500MS/s (PLAY) (REC)

  • Page 30: Voltage Charts

    VOLTAGE CHARTS CS 98201 VOLTAGE CHARTS MODE MODE MODE CS 98201 (U34) CS 98201 (U34) CS 98201 (U34) PIN No. STOP PLAY STOP PLAY PIN No. STOP PLAY PIN No.
  • Page 31 VOLTAGE CHARTS CS 98201 VOLTAGE CHARTS MODE MODE MODE CS 98201 (U34) CS 98201 (U34) CS 98201 (U34) PIN No. STOP PLAY STOP PLAY STOP PLAY PIN No. PIN No.
  • Page 32 VOLTAGE CHARTS EEPROM VOLTAGE CHARTS MODE MODE MODE EEPROM (U25) EEPROM (U25) EEPROM (U25) PIN No. STOP PLAY STOP PLAY PIN No. STOP PLAY PIN No. CS4362 VOLTAGE CHARTS MODE MODE MODE CS4362 (U12) CS4362 (U12) CS4362 (U12) PIN No. STOP PLAY STOP...
  • Page 33 VOLTAGE CHARTS SAA7115 VOLTAGE CHARTS MODE MODE MODE SAA7115 (U2) SAA7115 (U2) SAA7115 (U2) PIN No. STOP PLAY PIN No. STOP PLAY PIN No. STOP PLAY...

  • Page 49: Pcb Circuit Board

    Main Board Component Side...
  • Page 50 Main Board Component Side Placement Chart...
  • Page 51 Main Board Sold Side...
  • Page 52 Main Board Sold Side Placement Chart...
  • Page 53 Front Board Component Side...
  • Page 54 Front Board Sold Side...
  • Page 55 Front Board Sold Side Placement Chart...
  • Page 56 I/O Board Component Side Placement Chart...
  • Page 57 I/O Board Solder Side...
  • Page 58 I/O Board Solder Side Placement Chart...
  • Page 59 Stereo Decode Board Component Side...
  • Page 60 Stereo Decode Board Solder Side...
  • Page 61 Stereo Decode Board Solder Side Placement Chart...
  • Page 62 Scart Board Component Side Placement Chart...
  • Page 63 Scart Board Solder Side...
  • Page 64 Scart Board Solder Side Placement Chart...
  • Page 65 AV-IN Board Component Side Placement Chart...
  • Page 66 AV-IN Board Solder Side...
  • Page 67 AV-IN Board Solder Side Placement Chart...
  • Page 68 DV-IN Board Component Side...
  • Page 69 DV-IN Board Component Side Placement Chart...
  • Page 70 DV Board Component Side...
  • Page 71 DV Board Component Side Placement Chart...
  • Page 72 DV Board Solder Side...
  • Page 73 DV Board Solder Side Placement Chart...

  • Page 74: Instrument Disassembly

    Fig-1. Housing...
  • Page 75 Fig-1 ASS’Y FRONT PANEL...
  • Page 76 Fig-1. ENG...

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