Denon DVD-1930CI Service Manual
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Denon DVD-1930CI Service Manual

Denon DVD-1930CI Service Manual

Dvd audio/video/super audio cd player
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3 7 63 1515 0
MODEL
DVD AUDIO-VIDEO / SUPER AUDIO CD PLAYER
TE
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.
www
.
http://www.xiaoyu163.com
SERVICE MANUAL
DVD-1930CI
DVD-757
x
ao
u163
y
i
Denon Brand Company, D&M Holdings Inc.
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
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。
 
co
.
TOKYO, JAPAN
9 4
2 8
For U.S.A. & Canada model
Ver. 2
Please refer to the
MODIFICATION NOTICE.
0 5
8
2 9
9 4
2 8
m
X0306V.02 DE/CDM 0609
9 9
9 9

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Summary of Contents for Denon DVD-1930CI

  • Page 1  修理の際は、必ず取扱説明書を参照の上、作業を行っ ● operating instructions without fail.  てください。   Some illustrations using in this service manual are ●  本文中に使用しているイラストは、説明の都合上現物 ● slightly different from the actual set.  と多少異なる場合があります。   u163 TOKYO, JAPAN Denon Brand Company, D&M Holdings Inc. X0306V.02 DE/CDM 0609 http://www.xiaoyu163.com...
  • Page 2 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check.

  • Page 3: Specifications

    DVD-1930CI / DVD-757 3 7 63 1515 0 SPECIFICATIONS Item Conditions Unit Nominal Limit 75 Ω load 1. Video Output ± 0.1 75 Ω load 2. Coaxial Digital Out mVpp ± 50 3. Audio (PCM) 3-1. Output Level 1 kHz, 0 dB Vrms 3-2.

  • Page 4: Safety Check After Servicing

    DVD-1930CI / DVD-757 3 7 63 1515 0 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards.

  • Page 5: Standard Notes For Servicing

    DVD-1930CI / DVD-757 3 7 63 1515 0 STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder.
  • Page 6 DVD-1930CI / DVD-757 3 7 63 1515 0 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 pin or the solder lands under the IC when all pins of the flat pack-IC.

  • Page 7: Installation

    DVD-1930CI / DVD-757 3 7 63 1515 0 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder...

  • Page 8: Instructions For Handling Semi- Conductors

    DVD-1930CI / DVD-757 3 7 63 1515 0 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is...

  • Page 9: Disassembly Flowchart

    DVD-1930CI / DVD-757 3 7 63 1515 0 CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain Removal access to item(s) to be serviced. When reassembling, Remove/*Unhook/ follow the steps in reverse order. Bend, route, and Loc.

  • Page 10: Reference Notes

    DVD-1930CI / DVD-757 3 7 63 1515 0 Reference Notes 1. CAUTION 1: Locking Tabs (L-1), (L-2), (L-3) and (L-4) are fragile. Be careful not to break them. [3] Tray Panel 1) Release four Locking Tabs (L-1), then release (L-4) two Locking Tabs (L-2).
  • Page 11 DVD-1930CI / DVD-757 3 7 63 1515 0 (S-11) [11] 5.1ch Amp CBA [7] Rear Panel (S-4) (S-7) (S-6) CN7101 [6] Reinforce [12] Jack (S-4) (S-12) Plate (S-5) [9] Interface PCB Holder (S-9) (L-5) (S-4) (S-3) (S-3) (S-10) [10] D Sub Holder Fig.

  • Page 12: How To Eject Manually

    DVD-1930CI / DVD-757 3 7 63 1515 0 (S-14) (S-16) (S-16) [16] Loader Base (S-14) [17] Power (S-15) [18] Main PCB Holder [14] LED CBA (S-17) Holder CN2102 (S-18) [15] AV CBA Fig. D8 Fig. D9 3. How to Eject Manually 1.

  • Page 13: How To Initialize The Dvd Player

    DVD-1930CI / DVD-757 3 7 63 1515 0 HOW TO INITIALIZE THE DVD PLAYER To put the program back at the factory-default, initialize the DVD player as the following procedure. 1. Press [1], [2], [3], [4], and [DISPLAY] buttons on the remote control unit in that order.

  • Page 14: Firmware Renewal Mode

    DVD-1930CI / DVD-757 3 7 63 1515 0 FIRMWARE RENEWAL MODE 1. Turn the power on and remove the disc on the tray. The appearance shown in (*1) of Fig. c is described as follows: 2. To put the DVD player into version up mode, press...
  • Page 15 DVD-1930CI / DVD-757 3 7 63 1515 0 10. Press [CLEAR] button on the remote control unit. Fig. h appears on the screen. " ******* " differs depending on the models. MODEL : ******* Version : *.** Region : *...

  • Page 16: Troubleshooting

    DVD-1930CI / DVD-757 3 7 63 1515 0 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 17 DVD-1930CI / DVD-757 3 7 63 1515 0 FLOW CHART NO.6 P-ON+10V (EV+10V) is not outputted. Is 10V voltage supplied to the emitter of Q1002? Check D1030, D1048, C1035, C1048, L1009, and the periphery circuit, and service it if defective.
  • Page 18 DVD-1930CI / DVD-757 3 7 63 1515 0 FLOW CHART NO.11 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 19 DVD-1930CI / DVD-757 3 7 63 1515 0 FLOW CHART NO.14 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.12"...
  • Page 20 DVD-1930CI / DVD-757 3 7 63 1515 0 FLOW CHART NO.19 Both functions of picture and sound do not operate normally. Replace the DVD Main CBA Unit. Original DVD Main CBA Unit is poor. No improvement can be found.
  • Page 21 DVD-1930CI / DVD-757 3 7 63 1515 0 FLOW CHART NO.21 Audio is not outputted normally. Set the disc on the disc tray, and playback. Replace the DVD Main CBA Unit or DVD Mechanism. Are the analog audio signals outputted to each pin...
  • Page 22 DVD-1930CI / DVD-757 3 7 63 1515 0 FLOW CHART NO.22 Audio is not outputted. (JK7101) Set the disc (with 5.1ch Audio) on the disc tray, and playback. Are the analog audio signals outputted to each pin of CN7102 on 5.1ch Amp CBA.
  • Page 23 DVD-1930CI / DVD-757 BLOCK DIAGRAMS 3 7 63 1515 0 System Control / Servo Block Diagram L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 24 DVD-1930CI / DVD-757 Digital Signal Process Block Diagram 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 25 DVD-1930CI / DVD-757 Video Block Diagram 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 26 DVD-1930CI / DVD-757 Audio Block Diagram 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 27 DVD-1930CI / DVD-757 SACD Block Diagram 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28 DVD-1930CI / DVD-757 Power Supply Block Diagram 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 29: Schematic Diagrams / Cba's And Test Points

    DVD-1930CI / DVD-757 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...
  • Page 30 DVD-1930CI / DVD-757 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 31 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 1/7 Schematic Diagram 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. 1 3 9 4 2 2 9 6 5 1 3...
  • Page 32 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 2/7 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-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 IC101 Voltage Chart ~ : Voltage is not consistent ----- : Not used Unit : Volts PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY STOP PIN.NO PLAY...
  • Page 34 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 3/7 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-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 4/7 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 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 5/7 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 37 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 6/7 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 38 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 DVD Main 7/7 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 39 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 AV 1/3 Schematic Diagram CAUTION ! CAUTION ! For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 40 DVD-1930CI / DVD-757 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 41 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 AV 3/3, Function & LED Schematic Diagram FL2001 MATRIX CHART RPT. TL./GR. PSCAN TR./CP. SACD TL./GR. TR. /CP. PSCAN DVD A SACD 1 3 9 4 2 2 9 6 5 1 3...
  • Page 42 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 Interface 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 43 DVD-1930CI / DVD-757 3 7 6 3 1 5 1 5 0 5.1ch Amp 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 44 DVD-1930CI / DVD-757 WAVEFORMS 3 7 63 1515 0 Pin 8 of CN1601 Pin 14 of CN1601 AUDIO(R) AUDIO(R) 0.5V 0.5ms 0.5ms VIDEO-Y VIDEO-Y 0.2V 20µs Pin 10 of CN1601 Pin 16 of CN1601 VIDEO-C 0.2V 20µs SPDIF 0.1µs...
  • Page 45 DVD-1930CI / DVD-757 WIRING DIAGRAM 3 7 63 1515 0 1 SCLOCK 2 GND 3 NU 4 EV+3.3V(D) 5 SDATA 6 RESET 7 NU 8 GND 9TRCDATA1 9 NU 10 NU P-ON+5V 20 11 NU CD/DVD 19 12 NU...

  • Page 46: Lead Identifications

    DVD-1930CI / DVD-757 3 7 63 1515 0 LEAD IDENTIFICATIONS GP1FA513TZ0F 2SC1815-GR(TE2 F T) 2SA1015-Y(TE2 F T) KTA1267-Y-AT/P 2SA966-Y(TE6 F M) KTC3199-GR-AT/P KTA1266-Y-AT/P KRA105M-AT/P KTA1273-Y-AT/P KRA110M-AT/P KTC3205-Y-AT/P 1 2 3 E C B E C B KIA4558P/P UTC4558 MM1636XWRE...

  • Page 47: Exploded Views

    DVD-1930CI / DVD-757 3 7 63 1515 0 EXPLODED VIEWS Cabinet See Electrical Parts List 2L109 for parts with this mark. Some Ref. Numbers are 2L011 not in sequence. 5.1ch Amp CBA 2L011 2L011 Interface CBA 2L108 2L011 2L113...
  • Page 48 DVD-1930CI / DVD-757 DVD-1930CI / DVD-757 PARTS LIST OF EXPLODED VIEW 3 7 63 1515 0 ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 ＊ The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions.
  • Page 49 DVD-1930CI / DVD-757 Packing 3 7 63 1515 0 L 13942296513 Unit (for DVD1930CIBKE3 only) (for DVD1930CIBKE3 only) u163 http://www.xiaoyu163.com...
  • Page 50 DVD-1930CI / DVD-757 DVD-1930CI / DVD-757 PARTS LIST OF PACKING & ACCESSORIES 3 7 63 1515 0 ＊本表に記載されている部品は、補修用部品のため製品に使用している部品とは一部、形状、寸法などが異なる場合があります。 ＊ The parts listed below are for maintenance only, might differ from the parts used in the unit in appearances or dimensions.

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Dvd-757

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