Panasonic dvd a 100 service manual

Page 1

ORDER NO. ODSD97010302

Service Manual

General Description
DVD Player
Adjustment Procedures

Schematic Diagrams DV D-A 'f O O E B/ EC

Exploded Views / Parts List

Description . I OPERATING INSTRUCTION]

Sales Models Area '3' n" ACCESSORY
DVD-A100EB Great Britain DVD-A10OE DVD-A1 OUEB
DVD-A100EC Europe DVD-A100E DVD-A100EC

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SPECIFICATIONS
ITEM SPECIFICATION ITEM SPECIFICATION
Po Sou! AC 220~240 V, 50 H . '
P we! ce 1 31:23:32 tout Youtput: 1 Vp-p
ower . . (with 75 0 load, sync. negative polarity)
r 21 W (approx. 4 W in STANDBY model (Se te YC s a]
Consum hon para ign - _ .
P Output Conn ) C output 0.286 Vp p lN'ISCJ/O.300 V1: p (PAL)
Signal Sysvem PAL 625/50, PAL 525/60
_ Video Signal Output 1 Vp-p (with 75 a load, sync, negative polarity)
Ds mm DVD 'deo CD di CD
Supported ' V ' *1 ° Audio Signal 200 mes
Weight 3.4 kg Output: (1 kHz,-20 (13)
i . (1) Frequency response:
gfiiligf 430x87.5><288 mm (excluding protrusions) (DVD linear audio I
48 kHz sampling; 4 Hz to 22 kHz
Operating ,0 . . . , 96 kHz sampling; 4 Hz to 44 kHz
Temperature Range N C to +35 C DigitalAudio [CD audio]
Signal Output
Operating Characteristics 4 HZ~20 kHz
Humidit Ran e 5% in 90 %(no condensation) (2) SIN ratio: 106 dB
y g (3) Dynamic range; 96 dB
(1) DVD-video disc (4) Wow 8; flutter; Below measurable Limits
12 cm single-sided, single-layer (5) Tutal harmonic dismrtion: 0,0035%;
12 Cm single-sidedw double-layer PHONE Jack 32 o (30 mW), mini 8 :2 matching impedance
12 cm double-sided, doublelayer
(one layer per side) Pickup Wave length: 655 nm
Discs P1 ed 8 cm Single-sided, sings-layer Laser power: CLASS II
ay 8 cm single-sided, double-layer
8 cm double-sided, double-layer
(one layer per side)
(2) Compact disc (CD-DA. video CD)
12 cm disc
8 cm disc
Weight and dimensions shown are approximate.
Specifications are subject to change without notice
- © 1997 Matsushiia Electric Industrial 00., Ltd.
5 All rights reserved. Unauthorized copying and
anasonlc distribution is a violation of law.

Page 2

A WARNING
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 professional 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.

INTRODUCWON

This service manual contains techinical information which will allow service personnels to understand and service

this model.

Section 1 presents you with some general information of features and controls, enabling you to become familiar

with each function.

Section 2 contributes to your mechanical and electrical adjustment as well disassembly and replacement

procedures.

Section 3 contains schematic diagrams which give you detailed information such as waveforms, voltage data,

function e.t.c...
Section 4 contains exploded views and parts list.

Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, this information will be followed by supplementary service manual to be filed

with original service manual.

CONTENTS

Safety Precautions ..................
Prevention of ESD to ES Devices
Precaution of Laser Diode ......
Handling Precautions for Trave
Self-Diagnosis Function for Service Num
Service Information

OPERATING INSTRUCTIONS
Control reference guide
Front panel display.
Basic connection...
Optional video connectIon
Optional audio connection
Remote control preparation .
DVD playback ...............
Direct selection of scenes .
Repeat play.
Convenient f
Initial setting
Disc handling
Troubleshooting .......................

ADJUSTMENT PROCEDURES
How to Remove the Disc on the Tray in Trouble ....................... 2-1
Disassembly, Reassembly, Replacement and Adjustment
procedures ...............................................................
1. Disassembling and Reassembling the Casing Parts
1-1. Removing the Top Coven.
1-2. Removing the Front Panel
1 -3. Reassembling the Casing Parts
2. Disassembling and Reassembling the Loading Base
Removal of the Loading Base ........................
Disassembling the Clamp Support Plate and
the Clamper ......................
Removing the Loading Tra
Removing the Traverse Unit.
Removing the Loading Section Parts .
Assembling the Loading Section Parts
Assembling the Traverse Un
Attaching the Loading Tray"
Attaching the Clamp Support Plat
.Replacing the Main Parts of the Traverse Unit
Replacing the Laser Pick-up ........
3- 2. Replacing the Traverse Motor Un
3-3. Replacing the Disc Motor..
3-4. Disc Motor Assembly/Tenta
3-5. Others ......................................
4. Printed Circuit Board Location and
Diagram ..................................
4-1. Printed Circuit Board LocatIo

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4 2. Wiring Connection Diagram ............................................. 2- 9
5. Disassembly and Check Method of Printed Circuit Board
Assembly (C.B.A.)

6. Electrical Adjustme
6-1. TIIt Adjustment of Disc Motor
6-2. Read- Ch Slice Level Adjustrn
6-3. Video Output (Luminance Signal)
6

6

J
-4. Video Output (Chrominance Signal) A justmen
-5. Frequency Adjustment of Read-Ch Equalizer ..

BLOCK DIAGRAM/SCHEMATIC DIAGRAM/CIRCUIT BOARD
DIAGRAM
3-A. ABBREVIATIONS ............................
a-B. INTEGRATED CIRCUIT I/O CHART
BLOCK DIAGRAMS
3-1. Servo
3~2. Aud .
3-3. Video.
SCHEMATIC
3-4. System Control and CDC and CD DSP Section
(MAIN C.B.A. <1l4>) ...........................
3-5. Servo and PRE-AMP Section (MAIN C .A. <2/4>).
3-6. Audio Decode and Read Channel Section
(MAIN C.B.A. <3l4>) ...............
3-7. Video Decoder Section (MAIN C.
3-8. AV Jack and OSD ....................
3- 9. Operation, HP Volume and HP Jack
3- 10. Power Suppl
3-11. AV21P ......
3-12. Interconnection
CIRCUIT BOARD DIAGRAMS
3-13. Power Supply C.B.A. (VEP91219A)
3-14. Main C B. A (VEP96493A) ...............
3-15. Mechanism IF C. B. A. (VEP90341A), ae
(VXQOSBB), Loading Motor C. B. A. (VEK80031) and
Start/End Det SW U. (VEK8061).
3-16. AV21 P C.B.A. (VEP90344A)
3-17. AV Jack C.B.A. (VEP93291B) ..
3.1 8. Operation C.B.A. (VEP9647OC), HP Volume 0.
(VEP94266A) and HP Jack C.B.A. (VEP94267A) ........... 3-63

EXPLODED VIEWS &
REPLACEMENT PARTS LIST
4-1. Packing & Accessories Section
4-2. Casing Parts & Mechanism Sect
3. Loading Mechanism Section.
4-4. Traverse Section ................
5 Electrical Replacement Pa