Denon DVD-1910 Service Manual
  1. Manuals
  2. Brands
  3. Denon Manuals
  4. DVD Player
  5. DVD-1910
  6. Service manual

Denon DVD-1910 Service Manual

Hide thumbs Also See for DVD-1910:
Table of Contents

Advertisement

Quick Links

Download this manual
MODEL
●
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.
SERVICE MANUAL
DVD-1910
DVD-755
DVD VIDEO PLAYER
TOKYO, JAPAN
For U.S.A. & Canada model
注 意
サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。
● 本機の仕様は性能改良のため、予告なく変更すること
があります。
● 補修用性能部品の保有期間は、製造打切後 8年です。
●
修理の際は､必ず取扱説明書を参照の上、作業を行って
ください。
● 本文中に使用しているイラストは、説明の都合上現物
と多少異なる場合があります。
Ver. 1
,
X0217V.01 DE/CDM 0407

Advertisement

Table of Contents
loading

Related Manuals for Denon DVD-1910

Summary of Contents for Denon DVD-1910

  • Page 1 For U.S.A. & Canada model Ver. 1 SERVICE MANUAL DVD-1910 MODEL DVD-755 DVD VIDEO PLAYER 注 意 サービスをおこなう前に、このサービスマニュアルを 必ずお読みください。本機は、火災、感電、けがなど に対する安全性を確保するために、さまざまな配慮を おこなっており、また法的には「電気用品安全法」に もとづき、所定の許可を得て製造されております。 従ってサービスをおこなう際は、これらの安全性が維 持されるよう、このサービスマニュアルに記載されて いる注意事項を必ずお守りください。 ● For purposes of improvement, specifications and ● 本機の仕様は性能改良のため、予告なく変更すること design are subject to change without notice.

  • Page 2: Table Of Contents

    DVD-1910/755 TABLE OF CONTENTS SPECIFICATIONS ................3 LASER BEAM SAFETY PRECAUTIONS .

  • Page 3: Specifications

    DVD-1910/755 SPECIFICATIONS ITEM CONDITIONS UNIT NOMINAL LIMIT 1. Video Output 75 ohm load ± 0.1 2. Optical Digital Out 3. Audio (PCM) 3-1. Output Level 1 kHz 0 dB Vrms 3-2. S/N 3-3. Freq. Response fs=48kHz ± 0.5dB 4~22 k fs=44.1kHz ±...

  • Page 4: Laser Beam Safety Precautions

    DVD-1910/755 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. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30cm away from the pickup lens when the diode is turned on.

  • Page 5: Important Safety Precautions

    DVD-1910/755 IMPORTANT SAFETY PRECAUTIONS Product Safety Notice K. Crimp type wire connector The power transformer uses crimp type connectors Some electrical and mechanical parts have special which connect the power cord and the primary side safety-related characteristics which are often not evi- of the transformer.
  • Page 6 DVD-1910/755 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 positions. Primary Circuit Terminals Afterwards, do the following tests and confirm the spec- ified values to verify compliance with safety standards.

  • Page 7: Standard Notes For Servicing

    DVD-1910/755 STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder When soldering, be sure to use the Pb free solder. 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown. How to Remove / Install Flat Pack-IC...
  • Page 8 DVD-1910/755 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each (1) Using desoldering braid, remove the solder from all pin or the solder lands under the IC when removing pins of the flat pack-IC.
  • Page 9 DVD-1910/755 2. Installation With Iron Wire: (1) Using desoldering braid, remove the solder from all (1) Using desoldering braid, remove the solder from the pins of the flat pack-IC. When you use solder flux foil of each pin of the flat pack-IC on the CBA so you which is applied to all pins of the flat pack-IC, you can install a replacement flat pack-IC more easily.
  • Page 10 DVD-1910/755 Instructions for Handling Semi-conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may be charged on the body.

  • Page 11: Cabinet Disassembly Instructions

    DVD-1910/755 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. When reassembling, follow the steps in reverse order.
  • Page 12 DVD-1910/755 CAUTION 3: When reassembling, confirm the FFC cable (CN201) is connected completely. Then remove the solder from the three short lands of FPC cable. (S-2) [3] Function CBA (Fig. D4) (S-2) [1] Top Cover (S-1) (S-1) [4] Front Assembly Fig.
  • Page 13 DVD-1910/755 (S-8) (S-6) [8] LED CBA (S-9) CN201 CN2082 CN301 CN601 [6] DVD Main CN401 CBA Unit [9] AV CBA Fig. D7 Short the three short lands by soldering. (Either of two places.) (S-10) [11] Power (S-10) PCB Holder (S-11)
  • Page 14 DVD-1910/755 HOW TO EJECT MANUALLY 1. Remove the Top Cover. 2. Rotate the roulette in the direction of the arrow as shown below. View for A Rotate this roulette in the direction of the arrow...

  • Page 15: Troubleshooting

    DVD-1910/755 TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. See FLOW CHART No.2 <The fuse blows out.> Is the fuse normal? Is normal state restored when once unplugged Check if there is any leak or short-circuiting on the power cord is plugged again after several seconds? primary circuit component, and service it if defective.
  • Page 16 DVD-1910/755 FLOW CHART NO.6 P-ON+10V (EV+11V) is not outputted. Check D1030, D1048, C1035, C1048, L1009 and Is 11V 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 17 DVD-1910/755 FLOW CHART NO.12 The fluorescent display tube does not light up. Is 3.3V voltage supplied to Pins(6,24) of IC2001? Check the EV+3.3V line and service it if defective. Is the voltage of approximately -20V supplied to Check the -FL (-20V) line and service it if defective.
  • Page 18 DVD-1910/755 FLOW CHART NO.15 The disc tray cannot be opened and closed. (It can be done using the remote control unit.) Replace the "OPEN/CLOSE" button (SW2108). Is the normal control voltage inputted to Pin(4) of IC2001? Refer to "FLOW CHART NO.13" <The key operation is not functioning.>...
  • Page 19 DVD-1910/755 FLOW CHART NO.20 Both functions of picture and sound do not operate normally. Replace the DVD Main CBA. No improvement can be found. Original DVD Main CBA is poor. Replace the DVD Mecha. FLOW CHART NO.21 Picture does not appear normally.
  • Page 20 DVD-1910/755 FLOW CHART NO.22 Audio is not outputted normally. 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 of CN1601 on AV CBA?

  • Page 21: Block Diagrams

    DVD-1910/755 BLOCK DIAGRAMS System Control / Servo Block Diagram...
  • Page 22 DVD-1910/755 Digital Signal Process Block Diagram...
  • Page 23 DVD-1910/755 Video Block Diagram...
  • Page 24 DVD-1910/755 Audio Block Diagram...
  • Page 25 DVD-1910/755 Power Supply Block Diagram...

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

    DVD-1910/755 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 27 DVD-1910/755 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 28 DVD-1910/755 DVD Main 1/5 Schematic Diagram...
  • Page 29 DVD-1910/755 DVD Main 2/5 Schematic Diagram...
  • Page 30 DVD-1910/755 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 31 DVD-1910/755 DVD Main 3/5 Schematic Diagram...
  • Page 32 DVD-1910/755 DVD Main 4/5 Schematic Diagram...
  • Page 33 DVD-1910/755 DVD Main 5/5 Schematic Diagram...
  • Page 34 DVD-1910/755 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. The voltage for parts in hot circuit is measured REPLACE ONLY WITH THE SAME TYPE FUSE.
  • Page 35 DVD-1910/755 AV 2/3 Schematic Diagram...
  • Page 36 DVD-1910/755 AV 3/3,Function & LED Schematic Diagram FL2001 MATRIX CHART SACD PSCAN REPEAT GROUP TITLE SACD REPEAT TITLE GROUP PSCAN HD VCD...

  • Page 37: Waveforms

    DVD-1910/755 WAVEFORMS Pin 8 of CN1601 Pin 16 of CN1601 VIDEO-Y VIDEO-Y 0.2V 0.2V 20µs AUDIO-R AUDIO-R 0.5ms 0.5ms Pin 10 of CN1601 Pin 19 of CN1601 VIDEO-C VIDEO-C 0.2V 0.2V 20µs SPDIF SPDIF 0.1µs C1402 PLUS LEAD NOTE: Input...

  • Page 38: Wiring Diagrams

    DVD-1910/755 WIRING DIAGRAM...

  • Page 39: Firmware Renewal Mode

    DVD-1910/755 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. Fig. e appears on the screen and the [9], [8], [7], [6], and [SEARCH MODE] buttons on checksum in (*2) of Fig.

  • Page 40: Lead Identifications

    DVD-1910/755 LEAD IDENTIFICATIONS 2SC2785(H) 2SA1015-Y(TPE2) 2SK3498 BN1L3Z(P) 2SC2120-Y(TPE2) KRA110M 2SC2236-Y-TPE6,C KTA1267(Y) KTA1266(Y) KTC3199(GR) KTC3203(Y) KTC3205(Y) KTC3198(Y) G D S E C B E C B KIA4558P FAN431AZXA NJM4558D PT6313-S-TP MM1636XWRE KIA431-AT SC16313 MM1637XVBE CXA1511M-T4 LTV-817B-F LTV-817C-F K A R PS2561A-1(Q,W)

  • Page 41: Exploded Views

    DVD-1910/755 EXPLODED VIEWS Cabinet See Electrical Parts List for parts with this mark. 2L011 Some Ref. Numbers are 2L011 not in sequence. 2L021 2L021 2L021 DVD Main CBA Unit 2L106 2L107 2L105 JK1401 2L021 JK3501 2L011 JK1404 JK1202 IC1204 F1001...
  • Page 42 DVD-1910/755 Packing Unit...

  • Page 43: Parts List

    Model Mark DVD1910/KE3 DVD755SRE3 Safe. Ref. No. Mark Description Funai Parts No. DENON Parts No. MECHANICAL PARTS FRONT ASSEMBLY 1VM220220 00D 9H2 6000 564 FRONT ASSEMBLY 1VM220227 00D 9H2 6000 565 TRAY PANEL ASSEMBLY 0VM416697 00D 9H2 6000 502...
  • Page 44 DVD-1910/755 Safe. Ref. No. Mark Description Funai Parts No. DENON Parts No. OWNER'S MANUAL 1VMN20005 00D 9H2 6000 574 SERVICE CENTER SHEET 0VM413951C ---------- WARRANTY SHEET 0VM305871A ---------- ELECTRICAL PARTS DVD MAIN CBA UNIT N79D2HUP 00D 9H2 6000 527 AV CBA ASSEMBLY...

This manual is also suitable for:

Dvd-755

Table of Contents