Panasonic dvd s 31 eg service manual

Page 2

DVD-535E l DVD-S35EE / DVD-535EG / DVD-SSIEG

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.

CONTENTS

Page
1 SAFETY PRECAUTIONS ......................................................... 3
1.1. GENERAL GUIDELINES ................................................ 3

2 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES
3 Precaution of Laser Diode -------------------------------

3.1. About lead free solder (PbF) .......................................... 5
4 General Description ---------------------------------------------------------------- 6
4.1. Operating instructions .................................................... e

5 PREVENTION OF STATIC ELECTRICITY DISCHARGE --
5.1. Grounding for electrostatic breakdown prevention --

5.2. Handling Precautions for Traverse Unit (Optical Pickup) --7
6 DiSassembling the Casing and Checking PCBs ..................... 3
6.1. Dissasembly Procedure -----
6.2. Casing Parts and PCB Positions
6.3. Top Cover -------------------------------

6.4. Tray ------------------------------------------------------------------------------ 9
6.5. Front Panel Unit ----------------------------------------------------------- 10
6.6. Rear Panel ------------------------------------------------------------------ 10

6.7. Power PCB Unit ..10

6.8. Decoder PCB---- ..11
6.9. Mechanism Unit ........................................................... 11
6.10. Terminal PCB -------------------------------------------------------------- 11
6.11. Front Panel PCB Unit --------------------------------------------------- 11
6.12. Servicing Position --------------------------------------------------------- 12
7 OPTICAL PICKUP SELF-DIAGNOSIS AND REPLACEMENT

PROCEDURE ------------------------------------------------------------------------ 13
7.1. Self-diagnosis .............................................................. 13

7.2. Cautions to be used before replacing the Optical Pickup
Unit and Spindle Motor assembly -------

8 Self-Diagnosis Function and Service Modes
8.1. Service Mode Table 1 -----------------------
8.2. DVD Sell Diagnostic Function-Error Code ..................... 15

8.3. Last Error Code saved during N0 PLAY ....................... 16
8.4. Service mode table 2 --

8.5. Overview of each function --
8.6. Sales demonstration lock function
8.7. Handling After Completing Repairs ------------------------------- 19
8.8. Service Precautions ----------------------------------------------------- 20
9 ASSEMBLING AND DISASSEMBLING THE MECHANISM UNIT

9.1. Disassembly Procedure
9.2. Terminal PCB -------------------------------------------------------------- 21
9.3. Clamp Plate Unit .......................................................... 21

Page
9.4. Tray ---------------------------------------------------------------------------- 22
9.5. FG PCB Unit ---------------------------------------------------------------- 23
9.6. Traverse Block ------------------------------------------------------------- 23

9.7. Traverse Gear -----
9.8. Optical Pickup Uni

9.9. Disassembling the Middle Chassis ................................ 29
9.10. Disassembling the Traverse Gear A .............................. 29
9.11. Disassembling the Spindle Motor Unit ........................... 29

10 ADJUSTMENT PROCEDURES ------
101. Service Tools and Equipmen

10.2. Important points in adjustment ...................................... 30
10.3. Storing and Handling Test Discs ................................... 30
104. Optical adjustment ------------------------------------------------------- 31

11 Abbreviations"-
12 Voltage Chart-

13 BLOCK DIAGRAM ................................................................. 37
13.1. OVERALL BLOCK DIAGRAM ....................................... 37
13.2. POWER BLOCK DIAGRAM ......................................... 38

13.3. FRONT PANEL BLOCK DIAGRAM ---------
13.4. SERVO BLOCK DIAGRAM (Decoder PCB)

14 SCHEMATIC DIAGRAM ......................................................... 41
14.1. INTERCONNECTION SCHEMATIC DIAGRAM ............. 41
14.2. POWER PCB UNIT ------------------------------------------------------ 42

14.3. FRONT PANEL PCB UNIT -----
14.4. DECODER INTERCONNECTION
14.5. DECODER PCB (AV DECODER) --
14.6. DECODER DRIVE CONNECTION ................................ 46
14.7. DECODER FLASH MEMORY ....................................... 47
14.8. DECODER AV INTERFACE
14.9. DECODER AUDIO DAC--
14.10. TERMINAL PCB -----------
15 PRINT CIRCUIT BOARD -------------------------------------------------------- 51
15.1. Decoder PCB Unit -------------------------------------------------------- 51
15.2. Power PCB Unit --
15.3. TERMINAL PCB
15.4. Front PCB Unit-
16 EXPLODED VIEws ---------------------------------------------------------------- 55
16.1. Casing Parts& Mechanism Section Exploded View -------- 55

16.2. Mechanism Section Exploded View ............

16.3. Packing& Accessories Section Exploded View
17 REPLACEMENT PARTS LIST --------------------------------
18 All Schematic Diagram for printing with A4 ......................... 54