Table Of Contents - Panasonic SA-HT720P Service Manual

CONTENTS
1 Use of Active Subwoofer
1.1. Checking Player when Active Subwoofer is not used
2 Safety Precautions
2.1. GENERAL GUIDELINES
3 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
4 Before Repair and Adjustment (Using Active Subwoofer)
5 Protection Circuitry
6 Precaution of Laser Diode
7 About Lead Free Solder (PbF)
8 General Description
8.1. Operating instructions
8.2. Disc information
9 Accessories
10 Handling Precautions for Optical Pickup Unit
10.1. Cautions to Be Taken in Handling the Optical Pickup Unit
10.2. Cautions to Be Taken When Replacing the Optical Pickup
10.3. Grounding for electrostatic breakdown prevention
11 Disassembly and Main Component Replacement Procedures
11.1. Disassembling the Top Cabinet
11.2. Disassembling the Front Panel
11.3. Disassembling the Tray Assembly
11.4. Removal of the Tray Base Guide (L) and Tray Base Guide
(R)
11.5. Removal of the Rotary Tray
11.6. Removal of the Open Lock Gear
11.7. Removal of the Close Lock Gear
11.8. Removal of the Tray Motor P.C.B. and Sensor P.C.B.
11.9. Removal of the CD Traverse Unit
11.10. Removal of the Pulley Gear
11.11. Removal of the Loading Motor P.C.B.
11.12. Removal of the Drive Gear (A) & (B)
11.13. Disassembling the Fixed Plate, Magnet and Clamper
11.14. Removal of the Cam Gear & Support Piece
11.15. Removal of the Slide Plate (L) & (R) and Change Lever 19
11.16. Assembly of Tray Base
12 DVD-Optical Pick-up Self-Diagnosis and Replacement
Procedure
Page
4 12.1. Optical Pickup Breakdown Diagnosis
4 12.2. Service Mode Table 1
5 12.3. DVD Self Diagnostic Function-Error Code
5 12.4. Last Error Code saved during NO PLAY
12.5. Service mode table 2
5 12.6. Sales demonstration lock function
6 12.7. Handling After Completing Repairs
6 13 Self-Diagnosis Function
7 13.1. Automatic Displayed Error Codes
7 13.2. Memorized Error Codes
8 14 Service Precautions
8 14.1. Recovery after the DVD player is repaired
9 14.2. Firmware version-up of the DVD player
10 15 Adjustment Procedure
11 15.1. Service Tools and Equipment
15.2. Important points in adjustment
11 15.3. Storing and Handling Test Discs
15.4. Optical adjustment
11 16 Abbreviations
11 17 Voltage Chart
17.1. DVD Module P.C.B.
13 17.2. Main P.C.B.
14 17.3. FL P.C.B.
14 17.4. Loading Motor P.C.B.
14 17.5. Tray Motor P.C.B.
17.6. Sensor P.C.B.
16 18 Schematic Diagram Notes
16 19 Block Diagram
16 20 Schematic Diagram
16 21 Printed Circuit Board Diagram
17 22 Wiring Connection Diagram
17 23 Illustration of IC
17 24 Terminal Function of ICs
18 24.1. IC2018 (C2CBHG000137): Operation CPU
18 25 Parts Location and Replacement Parts List
18 25.1. Loading Mechanism, Traverse Unit & Cabinet
19 25.2. Component Parts List
25.3. Packing Materials & Accessories Parts List
20 25.4. Packaging
21
3
, Transistors and Diodes
SA-HT720P / SA-HT720PC
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