Denon dvd-900 Service Manual
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Denon dvd-900 Service Manual

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3 7 63 1515 0
TE
L 13942296513
Some illustrations using in this service manual are slightly different from the actual set.
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.
http://www.xiaoyu163.com
SERVICE MANUAL
MODEL
DVD VIDEO PLAYER
16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN
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ao
u163
y
Telephone: 03 (3837) 5321
i
http://www.xiaoyu163.com
2 9
8
DVD-900
Q Q
3
6 7
1 3
1 5
co
.
For Europe model
9 4
2 8
0 5
8
2 9
9 4
2 8
m
X0156-2 NC 0209
9 9
9 9

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  • Page 1 For Europe model 3 7 63 1515 0 SERVICE MANUAL DVD-900 MODEL DVD VIDEO PLAYER L 13942296513 Some illustrations using in this service manual are slightly different from the actual set. 16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN u163...

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS SPECIFICATIONS ............... . . 3 LASER BEAM SAFETY PRECAUTIONS .

  • Page 3: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Video Output 75 ohm load 2. Optical Digital Out 3. Audio (PCM) 3-1. Output Level 1kHz 0dB Vrms 3-2. S/N 3-3. Freq. Response fs=48kHz 20~22kHz ± 2 fs=44.1kHz 20~20 kHz ±...

  • Page 4: Laser Beam Safety Precautions

    http://www.xiaoyu163.com LASER BEAM SAFETY PRECAUTIONS 3 7 63 1515 0 This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure.

  • Page 5: Important Safety Precautions

    http://www.xiaoyu163.com IMPORTANT SAFETY PRECAUTIONS 3 7 63 1515 0 Product Safety Notice I. Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.

  • Page 6: Safety Check After Servicing

    http://www.xiaoyu163.com Safety Check after Servicing 3 7 63 1515 0 Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original posi- Chassis or Secondary Conductor tions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety Primary Circuit Terminals standards.

  • Page 7: Standard Notes For Servicing

    http://www.xiaoyu163.com STANDARD NOTES FOR SERVICING 3 7 63 1515 0 Circuit Board Indications How to Remove / Install Flat Pack-IC 1. Removal a. The output pin of the 3 pin Regulator ICs is indi- cated as shown. With Hot-Air Flat Pack-IC Desoldering Machine:. (1) Prepare the hot-air flat pack-IC desoldering Top View Bottom View...
  • Page 8 http://www.xiaoyu163.com With Soldering Iron: (4) Bottom of the flat pack-IC is fixed with glue to the 3 7 63 1515 0 CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from all soldering iron to center of the flat pack-IC and heat pins of the flat pack-IC.
  • Page 9 http://www.xiaoyu163.com Instructions for Handling 2. Installation 3 7 63 1515 0 Semi-conductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by electro- easily.

  • Page 10: Cabinet Disassembly Instructions

    http://www.xiaoyu163.com CABINET DISASSEMBLY INSTRUCTIONS 3 7 63 1515 0 1. Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassembling, (4): Identification of parts to be removed, unhooked, follow the steps in reverse order.
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 (S-1) (S-3) (S-3) [1] Top Cover (S-1) [4] DVD Mecha CN401 (S-1) Fig. D1 CN101 Fig. D4 Tray Panel (L-2) (L-1) CN2002 (L-1) L 13942296513 DVD Mecha [2] Front Assembly Short the three short lands by soldering (L-3) Fig.
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 (S-6) [6] AV CBA (S-4) CN1601 (S-8) CN1001 [8] Rear Panel (S-6) [5] Switch (S-7) Desolder (S-7) (S-5) (S-5) Fig. D7 (L-4) [7] DVD Main CBA Unit Fig. D6 HOW TO MANUAL EJECT 1. Remove the Top Cover. 2.

  • Page 13: Troubleshooting

    http://www.xiaoyu163.com TROUBLESHOOTING 3 7 63 1515 0 FLOW CHART NO.1 The power cannot be turned on.(1) See FLOW CHART No.3 <The fuse blows out.> Is the fuse normal? Is normal state restored when once unplugged Check if there is any leak or shor-circuit on the power cord is plugged again after several seconds? primary circuit component? (Q1001, Q1003,T1001, D1001, D1002, D1004,...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 FLOW CHART NO.4 When the output voltage fluctuates. Does the photo coupler circuit on the secondary Check the circuit and replace the parts. side operate normally? (IC1001, IC1006, D1048, D1015) Does the photo coupler circuit on the primary side Check the circuit and replace the parts.
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 FLOW CHART NO.8 No operation is possible from the remote control unit. Operation is possible from the DVD, but no operation is possible from the remote control unit. Is no operation possible if replacing the remote Original remote control unit is poor.
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 FLOW CHART NO.13 PON 1.8V is not outputted. Check D1013, C1014 and the periphery circuit. Is 2.5V voltage supplied at pin(1) of IC1002? Check PWRCON line. Is the "H" pulse inputted into pin(4) of IC1002? Replace IC1002.
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 FLOW CHART NO.17 [No Disc] is indicated. (When the focus servo is not functioning.) Replace the DVD Main CBA Unit. No improvement can be found. The malfunction of the original DVD Main CBA Unit. Replace the DVD Mecha.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 FLOW CHART NO.20 Picture does not appear normally. Set the disc on the disc tray and playback. Replace the DVD Main CBA Unit or DVD Mecha . Are the video signals outputted to each pin of CN1601 on the the AV CBA? CN1601 10PIN CVBS...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 FLOW CHART NO.21 Audio is not outputted. Set the disc on the disc tray and playback. Replace the DVD Main CBA Unit or DVD Mecha. Are the analog audio signals outputted to each pin of CN1601 on the AV CBA? CN1601 16PIN AUDIO-L CN1601 18PIN AUDIO-R...

  • Page 20: Block Diagrams

    http://www.xiaoyu163.com BLOCK DIAGRAMS System Control Block Diagram 3 7 6 3 1 5 1 5 0 IC601 AV CBA (DVD HOST PROCESSOR) IC301 TFWD (FRONT END PROCESSOR) TREV TFWD TOUT TFWD TREV TREV TOUT +3.3V IC2001 TOUT IC605 (FRONT PANEL CONTROL) FL2001 STDIO FROM/TO...
  • Page 21 http://www.xiaoyu163.com RF Signal Process/Servo Block Diagram 3 7 6 3 1 5 1 5 0 DATA(VIDEO/AUDIO) SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL SLIDE SERVO SIGNAL DISK SERVO SIGNAL IC101 (RF SIGNAL PROCESS) PICK-UP UNIT DVD MAIN CBA UNIT HOLD TESTSG CN101 FROM/TO DVD...
  • Page 22 http://www.xiaoyu163.com DVD Signal Process Block Diagram 3 7 6 3 1 5 1 5 0 DATA(VIDEO/AUDIO) SIGNAL DVD MAIN CBA UNIT IC201 (DVD SIGNAL PROCESS) PARA0 PARA1 PARA2 DATA VIDEO/AUDIO PARA3 SLICER PARA0-PARA7 TO VIDEO DEMODULATOR FROM/TO RF SIGNAL INTERFACE NARF PARA4 BLOCK DIAGRAM...
  • Page 23 http://www.xiaoyu163.com Video Block Diagram 3 7 6 3 1 5 1 5 0 DATA(VIDEO) SIGNAL DATA(AUDIO) SIGNAL VIDEO SIGNAL DATA(VIDEO/AUDIO) SIGNAL IC601 (DVD HOST PROCESSOR) CACHE SUBSYSTEM FROM DVD PARA0 INTERNAL CENTRAL FRONT-END PCM-BCK SIGNAL PROCESS PARA0-PARA7 PERIPHERALS COMMAND & LINK PCM-DATA0 BLOCK DIAGRAM PARA7...
  • Page 24 http://www.xiaoyu163.com Audio Block Diagram 3 7 6 3 1 5 1 5 0 DATA(AUDIO) SIGNAL AUDIO SIGNAL IC1204 FIBER OPTIC TRANS MODULE W F 6 JK1201 CN701 CN1601 Q1351 SPDIF DIGITAL AUDIO OUT IC801 (AUDIO DAC) IC1201 (AMP) W F 4 SPDIF CN701 CN1601...
  • Page 25 http://www.xiaoyu163.com Power Supply Block Diagram 3 7 6 3 1 5 1 5 0 CAUTION ! CAUTION Switching power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, If Main Fuse (F1001) is blown, check to see that all components in the REPLACE ONLY WITH THE SAME TYPE T2.0A L 250V FUSE.

  • Page 26: Schematic Diagrams / Cba's And Test Points

    http://www.xiaoyu163.com SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS 3 7 63 1515 0 Standard Notes Notes: WARNING 1. Do not use the part number shown on these draw- ings for ordering. The correct part number is shown Many electrical and mechanical parts in this chassis in the parts list, and may be slightly different or have special characteristics.

  • Page 27: Service Manual

    http://www.xiaoyu163.com LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING 3 7 63 1515 0 PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not defec- tive before you connect the AC plug to the AC power supply.
  • Page 28 http://www.xiaoyu163.com DVD Main 1/4 Schematic Diagram 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 - 28 - http://www.xiaoyu163.com...
  • Page 29 http://www.xiaoyu163.com DVD Main 2/4 Schematic Diagram 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 - 29 - http://www.xiaoyu163.com...
  • Page 30 http://www.xiaoyu163.com DVD Main 3/4 Schematic Diagram 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 - 30 - http://www.xiaoyu163.com...
  • Page 31 http://www.xiaoyu163.com DVD Main 4/4 Schematic Diagram 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 AV 1/3 Schematic Diagram CAUTION ! Switching power supply circuit is used in this unit. If Main Fuse (F1001) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 32 http://www.xiaoyu163.com AV 2/3 Schematic Diagram 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 - 32 - http://www.xiaoyu163.com...
  • Page 33 http://www.xiaoyu163.com AV 3/3 Schematic Diagram 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 - 33 - http://www.xiaoyu163.com...

  • Page 34: Waveforms

    http://www.xiaoyu163.com WAVEFORMS 3 7 6 3 1 5 1 5 0 Pin 8 of CN1601 Pin 18 of CN1601 NOTE: Input CD: 1kHz PLAY (WF4~WF6) DVD: POWER ON (STOP) MODE (WF1~WF3) VIDEO-Y 0.2V 20usec AUDIO-R 0.5msec Pin 10 of CN1601 Pin 21 of CN1601 VIDEO-CVBS 0.5V 20usec...

  • Page 35: Wiring Diagrams

    http://www.xiaoyu163.com WIRING DIAGRAM 3 7 6 3 1 5 1 5 0 VIDEO AUDIO AUDIO DIGITAL OPTICAL S-VIDEO AC CORD OUT(L) OUT(R) AUDIO OUT AUDIO OUT SCART JACK CN2002 CN2201 KEY-5 KEY-6 KEY-7 AV CBA KEY-8 FUNCTION CBA KEY-4 KEY-3 CN1001 CN1601 KEY-1...

  • Page 36: Firmware Renewal Mode

    http://www.xiaoyu163.com FIRMWARE RENEWAL MODE 3 7 63 1515 0 1. Turn the power on and remove the disc on the tray. 2. To put the DVD player into version up mode, press [9], [8], [7], [6], and [SEARCH MODE] buttons on the remote control unit in that order.

  • Page 37: Model

    http://www.xiaoyu163.com 3 7 63 1515 0 8. Disconnect and connect the AC Plug to the AC Outlet again during opening the Tray. 9. The Tray closes when the POWER Button (*1) is pressed to turn on the Power of the unit. (*1: The operation differs depending on models.) After the above, a series of the Back-End F/W updating procedures completes.

  • Page 38: Lead Identifications

    http://www.xiaoyu163.com LEAD IDENTIFICATIONS 3 7 63 1515 0 FS1KM-18A 2SC2785 (H) 2SC2236-Y-TPE6,C KTC3199 (GR) KTC3205 (Y) KRA110M 2SA966 (Y) KTA1273 (Y) KRC110M-AT BA1L3Z-T BA1L3Z (P) 2SA1015-Y (TPE2) KTA1266 (Y) G D S E C B E C B PT6315-S KIA431-AT PQ018EF01SZ NJM4558D PT6315-S(-TP)
  • Page 39 http://www.xiaoyu163.com LEAD IDENTIFICATIONS 3 7 63 1515 0 FS1KM-18A 2SC2785 (H) 2SC2236-Y-TPE6,C KTC3199 (GR) KTC3205 (Y) KRA110M 2SA966 (Y) KTA1273 (Y) KRC110M-AT BA1L3Z-T BA1L3Z (P) 2SA1015-Y (TPE2) KTA1266 (Y) G D S E C B E C B PT6315-S KIA431-AT PQ018EF01SZ NJM4558D PT6315-S(-TP)

  • Page 40: Exploded Views

    http://www.xiaoyu163.com EXPLODED VIEWS 3 7 63 1515 0 Cabinet 2L011 See Electrical Parts List for parts with this mark. 2L011 Some Ref. Numbers are not in sequence. 2L011 2L011 2L021 2L021 2L021 2L031 W1601 JK1402 JK1404 JK1401 JK1201 L 13942296513 DVD Main IC1204 W1001...
  • Page 41 http://www.xiaoyu163.com Packing 3 7 63 1515 0 X10A L 13942296513 Unit u163 - 40 - http://www.xiaoyu163.com...

  • Page 42: Parts List

    http://www.xiaoyu163.com 3 7 63 1515 0 PARTS LIST Note: The symbols in the column "Mark" indicate the following distinations. A: DVD-900GOE2(E56E1ED)(For Europe gold model) B: DVD-900BKE2(E56E2ED)(For Europe black model) Ref. No. Mark Description Parts No. (DE)Part No. QTY. FRONT ASSEMBLY 0VM203739A 9H2 6000 244 FRONT ASSEMBLY...

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