Denon DVD-910 Service Manual
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Denon DVD-910 Service Manual

Denon DVD-910 Service Manual

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3 7 63 1515 0
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L 13942296513
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to
the operating instructions without fail.
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
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16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN
http://www.xiaoyu163.com
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DVD-910
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For U.S.A. & Canada model
Ver. 2
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  • Page 1 3 7 63 1515 0 For U.S.A. & Canada model Ver. 2 SERVICE MANUAL DVD-910 MODEL DVD VIDEO PLAYER L 13942296513 For purposes of improvement, specifications and design are subject to change without notice. Please use this service manual with referring to the operating instructions without fail.

  • Page 2: Table Of Contents

    DVD-910 3 7 63 1515 0 TABLE OF CONTENTS SPECIFICATIONS ............... . 3 LASER BEAM SAFETY PRECAUTIONS .

  • Page 3: Specifications

    DVD-910 SPECIFICATIONS 3 7 63 1515 0 ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Video Output 75 ohm load ± 0.1 2. Optical Digital Out 3. Audio (PCM) 3-1. Output Level 1kHz 0dB Vrms 3-2. S/N 3-3. Freq. Response fs=48kHz 4~22kHz ±...

  • Page 4: Laser Beam Safety Precautions

    DVD-910 3 7 63 1515 0 LASER BEAM SAFETY PRECAUTIONS 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.

  • Page 5: Important Safety Precautions

    DVD-910 3 7 63 1515 0 IMPORTANT SAFETY PRECAUTIONS Product Safety Notice J. Be careful that foreign objects (screws, solder drop- lets, etc.) do not remain inside the set. Some electrical and mechanical parts have special K. Crimp type wire connector...

  • Page 6: Safety Check After Servicing

    DVD-910 3 7 63 1515 0 Safety Check after Servicing Examine the area surrounding the repaired location for Chassis or Secondary Conductor damage or deterioration. Observe that screws, parts, and wires have been returned to their original posi- Primary Circuit Terminals tions.

  • Page 7: Standard Notes For Servicing

    DVD-910 3 7 63 1515 0 STANDARD NOTES FOR SERVICING 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:.
  • Page 8 DVD-910 3 7 63 1515 0 With Soldering Iron: (4) Bottom of the flat pack-IC is fixed with glue to the 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 DVD-910 3 7 63 1515 0 Instructions for Handling 2. Installation Semi-conductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA so you Electrostatic breakdown of the semi-conductors may can install a replacement flat pack-IC more easily.

  • Page 10: Cabinet Disassembly Instructions

    DVD-910 3 7 63 1515 0 CABINET DISASSEMBLY INSTRUCTIONS 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.
  • Page 11 DVD-910 3 7 63 1515 0 (S-5) (S-1) (S-4) [1] Top Cover [6] Shield Plate (S-1) [7] Progressive CBA Unit (S-6) CN202 (S-3) [8] DVD Main CBA Unit (S-1) CN301 CN201 Fig. D1 (S-7) Tray Panel (L-2) [9] Holder...
  • Page 12 DVD-910 3 7 63 1515 0 (S-9) [10] AV CBA (S-10) (S-9) (S-9) (S-9) Desolder [11] Switch (S-8) [12] Rear Panel Fig. D7 (L-4) Fig. D6 HOW TO MANUAL EJECT 1. Remove the Top Case. 2. Rotate the roulette in the direction of the arrow as shown below.

  • Page 13: Troubleshooting

    DVD-910 3 7 63 1515 0 TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Is the fuse normal? See FLOW CHART No.2 <The fuse blows out.> Is normal state restored when once unplugged Check if there is any leak or shor-circuiting on the power cord is plugged again after several seconds? primary circuit component, and service it if defective.
  • Page 14 DVD-910 3 7 63 1515 0 FLOW CHART NO.6 P-ON+9V (EV+9V) is not outputted. Check D1030, D1048, C1035, C1048, L1009 and Is 9V voltage supplied to the emitter of Q1002? the periphery circuit, and service it if defective. Check Q1016 and PWRCON line and service it if Is the voltage of base on Q1002 lower than the defective.
  • Page 15 DVD-910 3 7 63 1515 0 FLOW CHART NO.12 The fluorescent display tube does not light up. Is 3.3V voltage supplied to Pin(6) and Check the EV+3.3V line and service it if detective. Pin(24) of IC2001? Is the voltage of approximately -24V to -28V Check the -FL (-28V) line and service it if detective.
  • Page 16 DVD-910 3 7 63 1515 0 FLOW CHART NO.14 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. Check EV+5V line and service it if detective.
  • Page 17 DVD-910 3 7 63 1515 0 FLOW CHART NO.18 [No Disc] indicated. (When the focus servo is not functioning.) Replace the DVD Main CBA. No improvement can be found. Original DVD Main CBA is poor. Replace the DVD Mecha.
  • Page 18 DVD-910 3 7 63 1515 0 Are the video signals outputted to each pin of IC6102? IC6102 4PIN Is 5V voltage supplied to Pin(16) of IC6102? IC6102 15PIN Pb/Cb IC6102 14PIN Pr/Cr Replace IC6102. Check P-ON+5V line and service it if detective.
  • Page 19 DVD-910 3 7 63 1515 0 FLOW CHART NO.22 Audio is not outputted. Set the disc on the disc tray, and playback. Replace the DVD Main CBA or DVD Mecha. Are the analog audio signals outputted to each pin...

  • Page 20: Block Diagrams

    DVD-910 3 7 6 3 1 5 1 5 0 BLOCK DIAGRAMS System Control/Servo Block Diagram FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL SLED SERVO SIGNAL SPINDLE SERVO SIGNAL IC101 (MICRO CONTROLLER) IC2002 ENERGY STAR EXT CLOCK MICROCONTROLLER CLK33M BE CLOCK...
  • Page 21 DVD-910 3 7 6 3 1 5 1 5 0 Digital Signal Process Block Diagram DATA(VIDEO) SIGNAL DATA(AUDIO) SIGNAL DATA(VIDEO/AUDIO) SIGNAL VIDEO SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL IC102 (SDRAM) IC101 (MICRO CONTROLLER) CN202 SDRAM ADDRESS(0-10) SDRAM ADDRESS(0-10)
  • Page 22 DVD-910 3 7 6 3 1 5 1 5 0 Video / Audio Block Diagram DATA(AUDIO) SIGNAL AUDIO SIGNAL VIDEO SIGNAL JK1401 S-VIDEO OUT IC1402 (VIDEO DRIVER) W F 1 W F 2 DRIVER IC6102 (OUTPUT SELECT) W F 3...
  • Page 23 DVD-910 3 7 6 3 1 5 1 5 0 Progressive Block Diagram DATA(VIDEO) SIGNAL VIDEO SIGNAL IC1801 (DE-INTERLACER) IC1803 (PROGRESSIVE ENCODER) CN1801 TEST PATT.GENE. FORMATTER DE-INTERLACER FORMATTER /DELAY /GAMMA CORRECTOR FROM/TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM CN202 4:2:2...
  • Page 24 DVD-910 3 7 6 3 1 5 1 5 0 Power Supply Block Diagram CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.

  • Page 25: Schematic Diagrams / Cba's And Test Points

    DVD-910 3 7 63 1515 0 SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replace- ment components rated for higher voltage, wattage, etc.
  • Page 26 DVD-910 3 7 63 1515 0 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE.
  • Page 27 DVD-910 3 7 6 3 1 5 1 5 0 DVD Main 1/3 Schematic Diagram 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 28 DVD-910 3 7 6 3 1 5 1 5 0 DVD Main 2/3 Schematic Diagram 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 29 DVD-910 3 7 6 3 1 5 1 5 0 IC101 VOLTAGE CHART PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP ----- -----...
  • Page 30 DVD-910 3 7 6 3 1 5 1 5 0 DVD Main 3/3 Schematic Diagram 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 31 DVD-910 3 7 6 3 1 5 1 5 0 AV 1/3 Schematic Diagram CAUTION CAUTION ! NOTE : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
  • Page 32 DVD-910 3 7 6 3 1 5 1 5 0 AV 2/3 Schematic Diagram 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 33 DVD-910 3 7 6 3 1 5 1 5 0 AV 3/3,Function & Switch Schematic Diagram FL2001 MATRIX CHART STANDBY REPEAT STANDBY TITLE CHP. TRK. REPEAT TITLE CHP. TRK. 1 3 9 4 2 2 9 6 5 1 3...
  • Page 34 DVD-910 3 7 6 3 1 5 1 5 0 Progressive 1/2 Schematic Diagram 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 35 DVD-910 3 7 6 3 1 5 1 5 0 Progressive 2/2 Schematic Diagram 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...

  • Page 36: Waveforms

    DVD-910 3 7 6 3 1 5 1 5 0 WAVEFORMS Pin 5 of CN1601 Pin 13 of CN1601 NOTE: Input CD: 1kHz PLAY (WF4~WF6) DVD: POWER ON (STOP) MODE (WF1~WF3) VIDEO-Y 0.2V 20µsec AUDIO-R 0.5msec Pin 7 of CN1601...

  • Page 37: Wiring Diagrams

    DVD-910 3 7 6 3 1 5 1 5 0 WIRING DIAGRAM VIDEO VIDEO S-VIDEO VIDEO-Y VIDEO AUDIO-L AUDIO-R DIGITAL OPTICAL AC CORD -Pb/Cb -Pr/Cr AUDIO OUT AUDIO OUT CN2002 W2002 CN6401 AD-KEY JP2050 JP2001 KEY-2 AD-KEY KEY-1 STANDBY-LED 2...

  • Page 38: Firmware Renewal Mode

    DVD-910 3 7 63 1515 0 FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. 5. After programming is finished, the tray opens auto- 2. To put the DVD player into version up mode, press matically.

  • Page 39: Lead Identifications

    DVD-910 LEAD IDENTIFICATIONS 3 7 63 1515 0 2SK3374 2SC2785 (H) 2SA1015-Y (TPE2) KTC3199 (GR) KTA1266 (Y) KRA110M KTC3198 (Y) KTA1267 (Y) KTC3205(Y) BN1L3Z (P) 2SA966(Y) S D G E C B E C B PT6313-S-TP NJM4558D KIA431-AT MM1622XJBE...

  • Page 40: Exploded Views

    DVD-910 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. 2L105 2L104 2L021 2L021 2B12 Progressive CBA Unit 2B29 2L011 W6101 2L105...
  • Page 41 DVD-910 Packing 3 7 63 1515 0 L 13942296513 Unit u163 http://www.xiaoyu163.com...
  • Page 42 Don't degrade the safety of the product through improper ser- vicing. Ref. No. Description Funai Parts No. DENON Parts No. FRONT ASSEMBLY 0VM204138 9H2 6000 360 TRAY ASSEMBLY 0VM413986 9H2 6000 202...

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