Yamaha DVX-S301 User manual

SERVICE MANUAL
100965
SERVICE MANUAL
P.O.Box 1, Hamamatsu, Japan
2005 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
SERVICE MANUAL
DVD HOME THEATER SOUND SYSTEM
DVX-S301/DVX-S302
DVR-S300/ NX-P301/NX-P302
IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already
known and understood by the users, and have therefore not been restated.
WARNING: Failure to follow appropriate service and safety procedures when servicing this product may result in personal
injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,
we advise all YAMAHA product owners that any service required should be performed by an authorized
YAMAHA Retailer or the appointed service representative.
IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or
recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and
service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable
and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please
contact the distributor's Service Division.
WARNING: Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
■CONTENTS
TO SERVICE PERSONNEL ...................................... 2~3
PREVENTION OF ELECTROSTATIC DISCHARGE ........ 4
LOCALE MANAGEMENT INFORMATION ................... 4
SYSTEM COMPOSITION / システム構成 ..................... 5
FRONT PANELS ........................................................ 6~7
REMOTE CONTROL ...................................................... 8
REAR PANELS ........................................................ 8~12
SPECIFICATIONS / 参考仕様 ................................ 13~15
INTERNAL VIEW ......................................................... 16
REPAIR NOTES / 修理上の留意点 .............................. 17
DVR-S300 TRADE MODE /
DVR-S300トレードモード ........................................ 18
DVR-S300 DISASSEMBLY PROCEDURES /
分解手順 ............................................................... 19~21
NX-SW301 DISASSEMBLY PROCEDURES /
分解手順 ............................................................... 22~23
DVR-S300 BLOCK DIAGRAM .................................... 25
NX-SW301 BLOCK DIAGRAM .............................. 26~27
DVR-S300 WIRING DIAGRAM .................................... 28
NX-SW301 WIRING DIAGRAM ................................... 29
DVR-S300 PRINTED CIRCUIT BOARD ............... 30~37
NX-SW301 PRINTED CIRCUIT BOARD ............... 38~41
DVR-S300 SCHEMATIC DIAGRAM ...................... 42~55
NX-SW301 SCHEMATIC DIAGRAM ..................... 56~60
NX-SW301 PARTS LIST ........................................ 61~63
DVR-S300 EXPLODED VIEW ............................... 64~65
NX-P301 EXPLODED VIEW .................................. 66~67
NX-P302 EXPLODED VIEW ........................................ 68
DVR-S300
NX-P301/NX-P302
'05.08
本资料由ＯＫＸＩＡ视听皮带资源库ｗｗｗ．ｏｋｘｉａ．ｃｎ提供
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
WALL
OUTLET
EQUIPMENT
UNDER TEST
AC LEAKAGE
TESTER OR
EQUIVALENT
INSULATING
TABLE
■TO SERVICE PERSONNEL
1. Critical Components Information
Components having special characteristics are marked Z
and must be replaced with parts having specifications equal to
those originally installed.
2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
that all exposed conductive surfaces are properly insulated
from supply circuits.
●Meter impedance should be equivalent to 1500 ohms shunted
by 0.15µF.
●Leakage current must not exceed 0.5mA.
●Be sure to test for leakage with the AC plug in both polarities.
WARNING: Laser Safety
This product contains a laser beam component. This
component may emit invisible, as well as visible radiation,
which may cause eye damage. To protect your eyes
and skin from laser radiation, the following precautions
must be used during servicing of the unit.
1) When testing and/or repairing any component within
the product, keep your eyes and skin more than 30 cm
away from the laser pick-up unit at all times. Do not
stare at the laser beam at any time.
2) Do not attempt to readjust, disassemble or repair the
laser pick-up, unless noted elsewhere in this manual.
3) CAUTION : Use of controls, adjustments or perfor-
mance of procedures other than those specified herein
may result in hazardous radiation exposure.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic
(where applicable) components may also contain traces of chemicals found by the California Health and Welfare
Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY
REASON WHATSOEVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or
expose eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands
before handling food.
Laser Emitting conditions:
1) When the Top Cover is removed, and the STANDBY/
ON SW is turned to the "ON" position, the laser
component will emit a beam for several seconds to
detect if a disc is present. During this time (5-10 sec.)
the laser may radiate through the lens of the laser pick-
up unit. Do not attempt any servicing during this period!
If no disc is detected, the laser will stop emitting the
beam. When a disc is loaded, you will not be exposed
to any laser emissions.
2) The laser power level can be adjusted with the VR on
the pick-up PWB, however, this level has been set by
the factory prior to shipping from the factory. Do not
adjust this laser level control unless instruction is
provided elsewhere in this manual. Adjustment of this
control can increase the laser emission level from the
device.
警告：レーザーの安全対策
本機はレーザー光線を放射する部品を搭載しています。こ
の部品が放射するレーザー光線は目に損傷を起こします。
このレーザー光線から目及び肌を保護するために、本機の
修理作業中は下記の注意を厳守してください。
1）テスト時または修理時、目及び肌を光ピックアップか
ら30cｍ以上離してください。いかなる場合もレーザー
光線を見つめないでください。
2）光ピックアップの再調整及び分解はしないでくださ
い。
3）このマニュアル上で指定されている以外の制御、調
整、手順はレーザー光線を照射される結果を招く恐れ
があります。
レーザー放射条件
1）トップカバーを取り外しSTANDBY/ONスイッチをON
にすると、ディスク検知のため5〜10秒間、光ピック
アップからレーザー光線が放射されます。この間、修
理はしないでください。
ディスクが検知されなければ、レーザー光線の放射は
停止します。ディスクがセットされている場合、ディ
スクで遮られるのでレーザー光線は修理担当者に届き
ません。
2）レーザーパワーレベルは光ピックアップ基板上のVRに
より調整可能ですが、工場出荷前に調整セット済みな
ので、このVRは廻さないでください。このVRを廻すと
装置からのレーザー光線の放射レベルが上がる恐れが
あります。
THE DVD AUDIO/VIDEO PLAYER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY QUALIFIED
SERVICE PERSONNEL.
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DVR-S300
NX-P301/NX-P302
INVISIBLE LASER RADIATION WHEN OPEN
DO NOT STARE INTO BEAM
CAUTION:
INVISIBLE LASER RADIATION WHEN OPEN
AVOID DIRECT EXPOSURE TO THE BEAM
DANGER:
Laser Diode Properties
Type: Semiconductor laser GaAlAs
Wave length: 650 nm (DVD)
784 nm (VCD/CD)
Output Power: 7 mW (DVD/VCD/CD)
Beam divergence 60 degree
WARNING
The use of optical instruments with this product will increase eye hazard.
Repair handling should take place as much as possible with a disc loaded inside the player.
CAUTION VISIBLE AND INVISIBLE LASER RADIATION WHEN
OPEN. AVOID EXPOSURE TO BEAM.
ADVARSEL SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING.
UNDGÅ UDSÆTTELSE FOR STRÅLING.
ADVARSEL SYNLIG OG USYNLIG LASERSTRÅLING NÅR DEKSEL
ÅPNES. UNNGÅ EKSPONERING FOR STRÅLEN.
VARNING SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR
DENNA DEL ÄR ÖPPNAD. BETRAKTA EJ STRÅLEN.
VARO! AVATTAESSA OLET ALTTIINA NÄKYVÄLLE JA
NÄKYMÄTTÖMÄLLE LASER SÄ TEILYLLE. ÄLÄ KATSO
SÄTEESEEN.
VORSICHT SICHTBARE UND UNSICHTBARE LASERSTRAHLUNG
WENN ABDECKUNG GEÖFFNET. NICHT DEM STRAHL
AUSSETSEN.
DANGER VISIBLE AND INVISIBLE LASER RADIATION WHEN
OPEN. AVOID DIRECT EXPOSURE TO BEAM.
ATTENTION RAYONNEMENT LASER VISIBLE ET INVISIBLE EN CAS
D'OUVERTURE. EXPOSITION DANGEREUSE AU
FAISCEAU
Warning for power supply
The primary side of the power supply carries live mains voltage when the player is connected to the mains even when
the player is switched off !
This primary area is not shielded so it is possible to touch copper tracks and/or components when servicing the player.
Service personnel have to take precautions to prevent touching this area or components in this area.
Note:
The screws on the DVD mechanism may never be touched, removed or re-adjusted.
Handle the DVD mechanism with care when the unit has to be exchanged!
The DVD mechanism is very sensitive for dropping or giving shocks.
VARO! : AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASER-
SÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
VARNING! : OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRREN ÄR URKOPPLAD.
BETRAKTA EJ STRÅLEN.
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DVR-S300
NX-P301/NX-P302
■PREVENTION OF ELECTROSTATIC DISCHARGE
■LOCALE MANAGEMENT INFORMATION
Locale Management Information : This DVD player is designed and manufactured to respond to the Locale
Management Information that is recorded on a DVD disc. If the Locale number described on the DVD disc does not
correspond to the Locale number of this DVD player, this DVD player cannot play this disc.
This product incorporates copyright
protection technology that is protected by
method claims of certain U.S. patents and
other intellectual property rights owned by
Macrovision Corporation and other rights
owners. Use of this copyright protection
technology must be authorized by
Macrovision Corporation, and is intended
for home and other limited viewing uses
only unless otherwise authorized by
Macrovision Corporation. Reverse
engineering or disassembly is prohibited.
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The laser diode in the traverse unit (optical pickup) may be damaged due to static electricity from clothes or the human
body. Use caution to prevent electrostatic damage when servicing or handling the laser diode.
1. Grounding for electrostatic damage prevention
1. Worktable grounding
Put a grounded conductive material (sheet) or iron sheet on the area where the optical pickup is placed.
2. Human body grounding
Use an anti-static wrist strap to discharge the static electricity from your body.
2. Handling of the optical pickup
1. To prevent damage to the optical pickup replacement parts during transportation and before installation, both ends
of the laser diode are short-circuited. After installing the new part, remove the short circuit according to the correct
procedure in this service manual.
2. Do not use a tester to check the laser diode in the optical pickup. The power supply in the tester will damage the
laser diode.
3. Handling Precautions for the Traverse Unit (Optical Pickup)
1. Handle the traverse unit (optical pickup) gently, as it is an extremely high-precision assembly.
2. The flexible cable lines may break if an excessive force is applied to it. Use caution when handling the cable.
3. The semi-fixed resistor for laser power adjustment should not be adjusted. Do not turn the resistor.
1MΩ
Conductive material
(sheet) or steel sheet
Anti-static wrist strap
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
■SYSTEM COMPOSITION / システム構成
The DVX-S301 consists of the DVR-S300 and the NX-P301.
The DVX-S302 consists of the DVR-S300 and the NX-P302.
NX-SW301 NX-SW301
NX-S301 NX-S302
NX-C301
NX-C302
DVR-S300 DVR-S300
DVX-S301 (C, K, A, B, G, L, V, J models) DVX-S302 (C, K, A, B, G, L, V models)
NX-P301 NX-P302
x 4
x 1
x 1
x 4
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
■FRONT PANELS
DVR-S300
(C, K, A, B, G, L, V models)
(J model)
NX-SW301
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
NX-S301 NX-C301
NX-S302 NX-C302
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
■REAR PANELS
DVR-S300 (C model)
DVR-S300 (K model)
■REMOTE CONTROL
C, K, A, B, G, L, V models J model
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
DVR-S300 (A model)
DVR-S300 (B, G models)
DVR-S300 (L model)
DVR-S300 (V model)
DVR-S300 (J model)
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
NX-SW301 (C model) NX-SW301 (K model)
NX-SW301 (A model) NX-SW301 (B, G models)
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
NX-SW301 (J model)
NX-SW301 (L model) NX-SW301 (V model)
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
NX-S301 NX-C301
NX-S302 NX-C302
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
TUNER SECTION
FM Tuning Range
- C, K, A, B, G, L, V models 87.50 to 108.00 MHz
- J model 76.0 to 90.0 MHz
AM Tuning Range
- C model 530 to 1700 kHz
- K, A, B, G models 531 to 1602 kHz
- L, V models 531 to 1602 kHz/530 to 1700 kHz
- J model 531 to 1602 kHz
DISC SECTION
Laser Type Semiconductor
Disc Diametre 12cm / 8cm
Video Decoding MPEG-1 / MPEG-2 /
DivX 3.11, 4.x & 5.x
Video DAC 12 bits/108 MHz
Signal System PAL / NTSC
Video Format 4:3 / 16:9
Composite Video Output 1.0 Vp-p, 75 ohms
S-video Output Y - 1.0 Vp-p, 75 ohms
C - 0.3 Vp-p, 75 ohms
RGB (SCART) output 0.7 Vp-p, 75 ohms (B, G models)
Component Video Output Y - 1.0 Vp-p, 75 ohms
PB/CB PR/CR –0.7 Vp-p, 75 ohms
Audio DAC 24 bits / 192 kHz
Frequency Response 4 Hz to 20 kHz (44.1 kHz)
4 Hz to 22 kHz (48 kHz)
4 Hz to 44 kHz (96 kHz)
Audio S/N 105 dB
Distortion 0.0035 %
Dynamic Range 95 dB
AUDIO FORMAT
Digital Dolby Digital/DTS/MPEG Compressed Digital
PCM 16, 20, 24 bits
fs 44.1, 48, 88.2, 96, 176.4, 192 kHz
MP3 (ISO 9660) 24, 32, 56, 64, 96, 128, 256 kbps
fs 16, 22.05, 24, 32, 44.1, 48 kHz
WMA 32 to 192 kbps, Mono, Stereo
Full Decoding of Dolby Digital and DTS Multi-channel Sound
Dolby Surround Compatible Downmix from Dolby Digital Multi-chan-
nel Sound
Dolby Pro Logic II
MAIN UNIT (DVR-S300)
Power Supply
- C model 120 V, 60 Hz
- K model 220 V, 60 Hz
- A model 240 V, 50 Hz
- B, G models 230 V, 50 Hz
- L model 220 - 240 V, 50/60 Hz
- V model 110 - 120 V, 50/60 Hz
- J model 100 V, 50/60 Hz
Power Consumption 15W
Frequency Response 20 Hz to 20 kHz/-3 dB
Signal-to-Noise Ratio > 95 dB
Input Sensitivity
- AUX In, TV In 300 mV
- SCART In 500 mV (B, G models)
Dimensions (W x H x D) 360 x 53 x 310 mm
(14-3/16" x 2-1/16" x 12-3/16")
Weight 2.7 kg (5 lbs. 15 oz.)
Finish Silver Color
SUBWOOFER (NX-SW301)
Power Supply
- C model 120 V, 60 Hz
- K model 220 V, 60 Hz
- A model 240 V, 50 Hz
- B, G models 230 V, 50 Hz
- L model 220 - 240 V, 50/60 Hz
- V model 110 - 120 V, 50/60 Hz
- J model 100 V, 50/60 Hz
Power Consumption
- C, K, A, B, G, L, V models 200 W
- J model 145 W
System Bass Reflex System
Impedance 6 ohms
Driver 16 cm (6-5/16”) Woofer
Frequency Response 40 Hz to 100 Hz
Dimensions (W x H x D) 200 x 390 x 382 mm
(7-7/8" x 15-3/8" x 15-1/16")
Weight 11.5 kg (25 lbs. 5 oz.)
Finish Silver Color
FRONT AND SURROUND SPEAKER
NX-S301
System 2-way System
Impedance 6 ohms
Drivers 7.0 cm (2-3/4”) Woofer x 1
1.9 cm (3/4”) Tweeter x 1
Frequency Response 100 Hz to 20 kHz
Dimensions (W x H x D) 83 x 181 x 78 mm
(3-1/4" x 7-1/8" x 3-1/16")
Weight 0.6 kg (1 lbs. 5 oz.)
Finish Silver Color
NX-S302
System Full Range System
Impedance 6 ohms
Drivers 5.0 cm (2”) Full Range x 3
2.5 cm (1”) Piezo Tweeter x 1
Frequency Response 100 Hz to 20 kHz
Dimensions (W x H x D) 210 x 994 x 210 mm
(8-1/4" x 39-1/8" x 8-1/4")
with Stand
Weight 3.0 kg (6 lbs. 9 oz.)
Finish Silver Color
CENTER SPEAKER
NX-C301
System 2-way System
Impedance 6 ohms
Drivers 7.0 cm (2-3/4”) Woofer x 2
1.9 cm (3/4”) Tweeter x 1
Frequency Response 100 Hz to 20 kHz
Dimensions (W x H x D) 300 x 84 x 78 mm
(11-13/16" x 3-5/16" x 3-1/16")
Weight 1.0 kg (2 lbs. 3 oz.)
Finish Silver Color
NX-C302
System Full Range System
Impedance 6 ohms
Drivers 5.0 cm (2”) Full Range x 3
Frequency Response 100 Hz to 20 kHz
Dimensions (W x H x D) 328 x 98 x 64 mm
(12-15/16" x 3-7/8" x 2-1/2")
Weight 0.7 kg (1 lbs. 8 oz.)
Finish Silver Color
■SPECIFICATIONS / 参考仕様
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DVR-S300
NX-P301/NX-P302
ACCESSORIES
DVR-S300 Remote Control x 1
Indoor FM Antenna x 1
AM Loop Antenna x 1
System Control Cable (4m) x 1
Video Pin Cable (1.5m) x 1
NX-P301 Speaker Cable Kit (15m) x 2
Speaker Cable Kit (5m) x 3
Fastener x 2 (for NX-C301)
Nonskid Pad x 4 (for NX-SW301)
NX-P302 Base x 4 (for NX-S302)
Bind Head Screw x 8 (for NX-S302)
Washer x 8 (for NX-S302)
Fastener x 2 (for NX-C302)
* Specifications subject to change without prior notice.
C ........ Canada model K ........ Korean model
A ........ Australian model B ........ British model
G ........ European model L ........ Singapore model
V ......... Taiwan model J ........ Japanese model
Manufactured under license from Dolby
Laboratories.
“Dolby”, “Pro Logic”, “MLP Lossless”and the
double-D symbol are trademarks of Dolby
Laboratories.
ドルビーラボラトリーズからの実施権により製
造されています。「ドルビー」及びダブルD記
号は、ドルビーラボラトリーズの商標です。
“DivX”, “DivX Certified”, and associated logos
are trademarks of DivXNetworks, Inc and are
used under license.
DivX、DivX Certified およびそのロゴはDivX
NetworksIncの商標であり、ライセンス承諾を
得て使用されます。
AACロゴマークはドルビーラボラトリーズの
商標です。
This product incorporates copyright protection technology
that is protected by method claims of certain U.S. patents
and other intellectual property rights owned by Macrovision
Corporation and other rights owners. Use of this copyright
protection technology must be authorized by Macrovision
Corporation, and is intended for home and other limited
viewing uses only unless otherwise authorized by Macrovision
Corporation. Reverse engineering or disassembly is
prohibited.
本製品は、著作権保護技術を採用しており、マクロビジョン社
及びその他の著作権利者が保有する米国特許及びその他の知的
財産権によって保護されています。この著作権保護技術の使用
は、マクロビジョン社の許可が必要で、またマクロビジョン社
の特別な許可がない限り家庭用及びその他の一部の視聴用の使
用に制限されています。分解したり、改造することも禁じられ
ています。
Advanced YST
Active Servo Processing Subwoofer System with
built-in power amplifier.
This subwoofer system (NX-SW301) employes
Advanced YAMAHA Active Servo Technology which
YAMAHA has developed for reproducing higher
quality super-bass sound. This super-bass sound
adds a more realistic, theater-in-the-home effect to
your stereo syetem.
“DTS”and “DTS Digital Surround”are
registered trademarks of Digital Theater
Systems, Inc.
DTSおよびDTS Digital Out はデジタルシア
ターシステムズの登録商標です。
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DVR-S300/NX-P301/NX-P302
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DVR-S300
NX-P301/NX-P302
• DIMENSIONS/寸法図
DVR-S300
NX-C302
NX-S302
NX-S301
NX-SW301
NX-C301
181 (7-1/8")
390 (15-3/8")
300 (11-13/16")78
(3-1/16")
110 (4-3/8")
84
(3-5/16")
53
(2-1/16")
210 (8-1/4")
78
(3-1/16")
83
(3-1/4")
40
(1-9/16")
328 (12-15/16")64
(2-9/16")
151 (5-15/16")
98
(3-7/8")
994 (39-1/8")
310
(12-3/16")
360 (14-3/16")
200 (7-7/8")382.4 (15-1/16")
53.57
(2-1/8")
83.17
(3-5/16")
Unit :mm (inch)
単位:mm（インチ）
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DVR-S300
NX-P301/NX-P302
■INTERNAL VIEW
1 2 3 4
5
9
6
78
1TUNER
2AV P.C.B.
3HDMI D2 P.C.B. (J model)
4POWER SUPPLY UNIT
5MONO P.C.B.
6DVD MECHANISM
7CONTROL P.C.B.
8FRONT (2) HP P.C.B.
9FRONT (1) DISPLY P.C.B.
1
POWER (3) IN/OUT P.C.B.
AMP (1) FL/FR P.C.B.
AMP (2) SL/SR P.C.B.
POWER (1) C/SW P.C.B.
POWER (4) SUBTR P.C.B.
POWER (2) POWER P.C.B.
1
2
3
4
5
6
2
3
4
5
6
DVR-S300
NX-SW301
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DVR-S300/NX-P301/NX-P302
17
DVR-S300
NX-P301/NX-P302
•DVR-S300
None of the components of the following units can be
supplied separately.
Each unit must be replaced as a whole in case of a
failure.
•DVD Mechanism
•MONO P.C.B.
•FRONT P.C.B.
•CONTROL P.C.B.
•AV P.C.B.
•Power Supply Unit
•Power Supply Unit
Never touch the potentiometer (VR301) installed to the
Power Supply Unit.
● DVR-S300
下記のユニットは、小部品の部品供給はできません。
故障の場合は、各ユニットを交換してください。
・ DVDメカ
・ MONOP.C.B.
・ FRONTP.C.B.
・ CONTROLP.C.B.
・ AVP.C.B.
・ HDMID2P.C.B.
・電源ユニット
● 電源ユニットについて
電源ユニットに搭載されている可変抵抗（VR301）は、絶対
に触らないでください。
■REPAIR NOTES / 修理上の留意点
Power Supply Unit / 電源ユニット
VR301
•NX-SW301
When turning on the power of NX-SW301 indepen-
dently for its operation check, refer to “When check-
ing the P.C.B.”of “■NX-SW301 DISASSEMBLY
PROCEDURES”(on page 23).
● NX-SW301
動作確認のためにNX-SW301単独で電源をONする場
合、「■NX-SW301分解手順」の「P.C.B.動作チェックを
する場合」（23ページ）を参照してください。
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DVR-S300/NX-P301/NX-P302
18
DVR-S300
NX-P301/NX-P302
■DVR-S300 TRADE MODE / DVR-S300トレードモード
DVR-S300には、 （オープン/クローズ）キーを押しても
トレーが開かない「トレードモード」があります。
● トレードモードの起動
本体の電源をオンの状態から行います。
1. 本体の キーを押し、トレーを開きます。（Fig.1）
2. リモコンのDVD/CDボタンを押し、次に、 、
ボタンを順番に押します。（Fig.2）
3. 本体FLディスプレイにTRAONが表示され、トレー
ドモードが起動します。（Fig.3）
This unit has “TRADE MODE” which prevents the tray
from opening even when the “ ” (Open/Close) key is
pressed.
• Entering TRADE MODE
The power to the main unit should be turned on
before entering the TRADE MODE.
1. Press the “ ” key to open the tray. (Fig. 1)
2. Press the “DVD/CD”, “ ”, “ ” and “ ” buttons on the
remote control in that order. (Fig. 2)
3. “TRA ON” appears on the FL display of the main unit
and TRADE MODE is activated. (Fig. 3)
※ トレードモード起動後、本体は下記のキー以外の操作
を通常通り行うことができません。
STANDBY/ON（POWERONのみ）
VOLUMEUP/DOWN
※ リモコンからの操作は通常通り行うことができます。
● トレードモードの解除
本体の電源をオンの状態から行います。
1. リモコンのDVD/CDボタンを押してから、ボタン
を押し続けます。（Fig.2）
約2秒後、トレーが開きます。
2. リモコンの、 、 ボタンを順番に押しま
す。（Fig.2）
3. 本体FLディスプレイにTRAOFFが表示され、トレー
ドモードが解除されます。（Fig.4）
* After entering TRADE MODE, it is not possible to
operate keys of the main unit as usual except the
following keys.
STANDBY/ON (POWER ON only)
VOLUME UP/DOWN
* Operation through the remote control is available as
usual.
•Canceling TRADE MODE
The power to the main unit should be turned on be-
fore canceling TRADE MODE.
1. Press the “DVD/CD” button and keep pressing the “ ”
button on the remote control. (Fig. 2)
The tray opens after about 2 second.
2. Press the “ ”, “ ” and “ ” buttons on the remote
control in that order. (Fig. 2)
3. “TRA OFF” appears on the FL display of the main unit
and TRADE MODE is cancelled. (Fig. 4)
VOLUME / ボリューム
STANDBY/ON OPEN/CLOSE
TRAY / トレー
FL Display / FLディスプレイ
Fig. 1
Fig. 2
TRADE MODE display / トレードモード表示
Fig. 3
Fig. 4
Enter / 起動
Cancel / 解除
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DVR-S300/NX-P301/NX-P302
19
DVR-S300
NX-P301/NX-P302
HOW TO MANUALLY EJECT THE TRAY
a. Turn the player bottom up.
b. Move the slider in the direction indicated with a
flatblade screwdriver until the tray is ejected.
c. Gently pull the tray out.
■DVR-S300 DISASSEMBLY PROCEDURES / DVR-S300分解手順
（番号順に部品を取り外してください。）
1. トップパネルの外し方
a. 1のネジ6本を外します。（Fig.1）
b. トップカバーを後ろ側から上げて取り外します。
2. フロントパネルユニットの外し方
a.「手動でトレーを開く方法」でトレーを開き、リッドを外
します。
b. トレーを閉じます。
c. コネクター1105、1601、CN2を外します。（Fig.1）
d. 2のネジ2本、3のネジ3本を外します。（Fig.1、2）
e. 4のネジ1本を外し、アース（リード線）を外します。
（Fig.1）
f. スナップ2箇所を外し、フロントパネルを取り外します。
手動でトレーを開く方法
a. 本体を上下反転します。
b. トレーが出てくるまで、マイナスドライバーでスラ
イダーを図に示す矢印の方向に動かします。
c. トレーをそっと引き出します。
Fig. 1
(Remove parts in the order as numbered.)
1. Removal of Top Panel
a. Remove 6 screws (1). (Fig. 1)
b. Remove the Top Panel by lifting it from the rear.
Fig. 2
2. Removal of Front Panel Unit
a. Open the tray according to “HOW TO MANUALLY
EJECT THE TRAY”and remove the lid.
b. Close the tray.
c. Remove connectors 1105, 1601 and CN2. (Fig. 1)
d. Remove 2 screws (2) and 3 screws (3). (Fig. 1, 2)
e. Remove 1 screw (4) and then remove the earth (lead
wire). (Fig. 1)
f. Release 2 snaps and remove the Front Panel.
1
1
1
1
2
2
CN2
1105 1601
Snap 
スナップ
Lid 
リッド
Front Panel Unit
フロントパネルユニット
Snap 
スナップ
Earth (lead wire)
アース（リード線）
4
3
Flatblade Screwdriver
マイナスドライバー
Slider
スライダー
Slider
スライダー
Rear
リア
Frame
フレーム
Front
フロント
Tray
トレイ
a
c
b
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DVR-S300/NX-P301/NX-P302
20
DVR-S300
NX-P301/NX-P302
3. FRONT（1）、（2）、CONTROLP.C.Bの外し方
a. 5のねじ3本、6のネジ1本を外します。（Fig.3）
＊ 組立時、6のネジは必ずM3×6を使用してください。
b. スナップ2箇所を外し、ボトムパネルを取り外します。
c. コネクター1102を外します。（Fig.3）
d. 7のネジ1本を外します。（Fig.3）
e. FRONT（1）DISPLAYP.C.Bを取り外します。
f. コネクター1103を外します。（Fig.3）
g. 8のネジ1本を外します。（Fig.3）
h. FRONT（2）HPP.C.B.を取り外します。
I. ノブ/ボリュームを外します。
j. 9のネジ4本を外します。（Fig.3）
k. CONTROLP.C.B.、ボタン/フレーム、ボタンを取り外
します。
4. DVDメカの外し方
a. コネクター1101、1102、1103を外します。（Fig.4）
b. 0のネジ4本を外します。（Fig.5）
c. DVDメカを取り外します。
5. MONOP.C.B.の外し方
a. コネクター1104、1105、1301、1302を外します。
（Fig.4）
b. Aのネジ4本を外します。（Fig.5）
c. MONOP.C.B.を取り外します。
Fig. 3
3. Removal of FRONT (1), (2) and CONTROL P.C.B.s
a. Remove 3 screws (5) and 1 screw (6). (Fig. 3)
* Be sure to use M3 x 6 type for screws (6).
b. Release 2 snaps and remove the Bottom Panel.
c. Remove the connector 1102. (Fig. 3)
d. Remove 1 screw (7). (Fig. 3)
e. Remove FRONT (1) DISPLAY P.C.B..
f. Remove the connector 1103. (Fig. 3)
g. Remove 1 screw (8).
h. Remove FRONT (2) HP P.C.B..
i. Remove the Knob Volume.
j. Remove 4 screws (9). (Fig. 3)
k. Remove CONTROL P.C.B., Button Frame and But-
ton.
Fig. 4 Fig. 5
4. Removal of DVD MECHANISM
a. Remove connectors 1101, 1102 and 1103. (Fig. 4)
b. Remove 4 screws (0). (Fig. 5)
c. Remove the DVD MECHANISM.
5. Removal of MONO P.C.B.
a. Remove connectors 1104, 1105, 1301 and 1302. (Fig.
4)
b. Remove 4 screws (A). (Fig. 5)
c. Remove MONO P.C.B..
5
6
7
1102
1103
FRONT (1) DISPLY P.C.B.
FRONT (2) HP P.C.B.
CONTROL P.C.B.
8
99
Knob Volume
ノブ/ボリューム
Button Frame
ボタン/フレーム
Button
ボタン
Snap 
スナップ
Snap 
スナップ
Bottom Panel
ボトムパネル
1101
1103
1102
1104 1105
1301
1302
MONO P.C.B.
DVD MECHANISM
DVDメカ
A
A
0
0
MONO P.C.B.
DVD MECHANISM
DVDメカ
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