Panasonic dvd s 49 service manual

Page 2

ABEG I DVD-549E I DVD-SAQEB

Audio output:

Output level: 2 Vrms (1 kHz, 0 dB)
Output terminal: Pin jack/AV
Number of terminals:
2 channel: 2 system
5.1-channel discrete outout
(5.1 channel): 1 system

Audio performance:
(1) Frequency response:
IDVD (linear audio): 4 Hz-22 kHz (48 kHz sampling)

4 Hz-44 kHz (96 kHz sampling)

[DVD Audio: 4 Hz-88 kHz (192 kHz
sampling)
[CD audio: 4 Hz-20 kHz
(2) SIN ratio:
[CD audio: 115 dB
(3) Dynamic range:
IDVD (linear audio): 102 dB
[CD audio: 98 dB
(4) Total harmonic distortion:
[CD audio: 0.0025 %

Digital audio output:

Optical digital output: Optical terminal

Coaxial digital output: Pin jack
Pickup
Wave length: 662 nm/785 nm

Laser power: CLASS 2/CLASS 3A

Note:

Specifications are subject to change without notice.
Mass and dimensions are approximate.
Solder:

This model uses lead free solder (PbF).

Manutactured under license from Dolby Laboratories. Dolby and the doublerD
symbol are trademarks oI Dolby Laboratories

DTS and DTS Digital Surround" are registered trademarks ol Digital Theater Systens, Inc.

This product incorporates copyright protection technology that is protected by method
claims oI certain us. 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

MPEG Layers audio decoding technology licensed from Fraunhoter HS and Thomson multimedia.

This product is licensed under the MPEG74 Visual patent porttolio license for the
personal and non-commercial use oi a consumer lor (i) encoding video in compliance
with the MPEG4 Visual Standard (MPEG4 Video") and/or (ii) decoding MPEG4
Video that was encoded by a consumer engaged in a personal and non-commercial
activity and/orwas obtained Irom a video provider licensed by MPEG LA to provide
MPE 674 Video. No license is granted or shall be implied tor any other use. Additional
inlormation including that relating to promotional internal and commercial uses and
licensing may be obtained from MPEGLA. LCC See hug/[www.mpegla corn

HighMATW and the HighMAT logo are either trademarks or
registered trademarks oi Microsolt Corporation inthe United
States and/or other countries.

Windows Media. and the Windows logo are trademarks,
or registered trademarks of Microsolt Corporation in the
United States and/or other countries.

WMA is a compression Ioimat developed by Microsolt ..i. m
Coipaiaiion. It achieves the same sound quality as MP3

With a tile size that is smaller than that ol MP3.

I, HDCDW. High Definition Compatible

DigitalI and Pacilic Microsonicsw are either registered trademarks ortradernarks at
Pacific Microsonics, Inc. in the United States and/or other countries.

HDCD system manufactured under license from Pacific Microsoriitx, Inc This product
is covered by one or more of the tollowmg In the USA 5 479.168. 5.638.074.
5,640.161, 5.808574, 5,838.274, 5,854.600, 5,864,311, 5872.531, and inAustralia:
669114, with other patents pending.

Official DivX CertniedM product

Plays DivXWS, DivXM, DivX®S. and DivXt VOD video content (in compliance Witn DivX
Certilied' technical requirements).

DivX, DivX Certiiiedi and associated logos are trademarks oi DivXNetworks. Inc and
are used under license.

AWARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced protessional technicians Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

Page Page

1 Important Service Information ------------------------------------------------ 4 7.2. Casing Parts and P.C.B. Positions ---------------------------------- 9

1.1. Notes ---------------------------------------------------------------------------- 4 7.3. Top Panel -------------------------------------------------------------------- 10

1.2. About DivX -------------------------------------------------------------------- 4 7.4. Front Panel ------------------------------------------------------------------ 10

1.3. Manual for Customer ----------------------------------------------- 5 7_5. Module P.C.B. ............................................................. 10

2 SAFETY PRECAUTIONS --------------------------------------------------------- s 7.5. Mechanism Unit ----------------------------------------------------------- 10
2-1- GENERAL GUlDELINES ------------------------------------------------ 6 7.7. Rear panel and 5.1CH P.C.B. ---------------------------------- 11

3 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) T0 7.8. Mother PCB. and Power SW P.C.B.- 11
ELECTROSTATICALLY SENSITIVE (ES) DEVICES ----------------- s 7.9. Service position ........................................................... 12
4 Precaution of Laser Diode ------------------------------------------------- 7 8 ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT
5 About lead free solder (PbF) -------------------------------------------------- 7 .............................................................................. 13
6 PREVENTION OF STATIC ELECTRICITY DISCHARGE ------------ s 8.1. Disassembly Procedure ................................................ 13
6.1. Grounding for electrostatic breakdown prevention ------------ 8 8.2. Traverse Unit ............................................................... 13

6.2. Handling Precautions for Traverse Unit (Optical Pickup)--8 8.3. Tray .................. 14

7 DISASSEMBLING THE CASING AND CHECKING P.C.B.S ------ 9 8_4. Loading section ....................................................... 15
7.1. Disassembly Procedure ----------------------- 9 8.5. Loading motor P.C.B. ................................................... 15