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Panasonic Manuals
Home Theater System
SA-HT340EB
Service manual
Table Of Contents - Panasonic SA-HT340EB Service Manual
Dvd home theater sound system
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Contents
Table of Contents
Troubleshooting
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SA-HT340E / SA-HT340EB / SA-HT340EG
CONTENTS
1 Safety Precautions
1.1. GENERAL GUIDELINES
1.2. Before Repair and Adjustment (Using SMPS)
1.3. Protection Circuitry
1.4. Caution for AC Cord
2 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
3 Precaution of Laser Diode
4 About Lead Free Solder (PbF)
4.1. Service caution based on legal restrictions
5 Handling Precautions for Traverse Unit
5.1. Cautions to Be Taken in Handling the Optical Pickup Unit
5.2. Grounding for electrostatic breakdown prevention
6 Accessories
7 Operation Procedures
7.1. Remote Control Keys Operation
7.2. Main Unit Keys Operation
7.3. Connection Setup
7.4. Disc information
7.5. About DivX VOD Content
8 Self-Diagnosis and special mode setting
8.1. Service Mode Summary Table
8.2. Service Mode Table
1
8.3. DVD Self Diagnostic Function-Error Code
8.4. Sales Demonstration Lock Function
8.5. Service Precautions
9 Assembling and Disassembling
9.1. Disassembly Flow Chart
9.2. Main Components and P.C.B. Locations
9.3. Disassembly of Top Cabinet
9.4. Disassembly of the DVD Lid (When taking out disc
manually)
9.5. Disassembly of Front Panel Assembly
9.6. Disassembly of FL P.C.B. & Volume P.C.B.
9.7. Disassembly of DVD Mechanism Unit
9.8. Disassembly of DVD Module
P.C.B.
9.9. Disassembly of Rear panel
9.10. Disassembly of SMPS Module
P.C.B.
9.11. Disassembly of Main P.C.B. & Tuner Extent P.C.B.
9.12. Disassembly of Digital Amp IC
10 Service Position
10.1. Servicing position of the DVD Module P.C.B
.
10.2. Servicing position of the Main
P.C.B.
10.3. Servicing position of the SMPS Module
P.C.B.
Page
5
11 Assembly and disassembly of Mechanism Unit
5
11.1. Disassembly Procedure
5
12 Measurements and Adjustments
5
12.1. Service Tools and Equipment
6
12.2. Important points in adjustment
12.3. Storing and handling of test discs
7
12.4. Optical adjustment
8
13 Abbreviations
9
14 Voltage and Waveform Chart
9
14.1. DVD Module P.C.B
.
10
14.2. Main P.C.B
.
14.3. FL P.C.B. & Tray Loading P.C.B.
10
14.4. SMPS Module P.C.B
.
10
14.5. Waveform Chart
12
15 Illustration of IC's, Transistors and Diodes
13
16 Wiring Connection Diagram
13
17 Block Diagram
14
18 Schematic Notes
15
19 Schematic Diagram
16
19.1. (A) DVD Module (DV3.2) Circuit
18
19.2. (B) Main/FL/Volume/Tray Loading/Tuner Extent Circuit
65
19
20 Printed Circuit Board
19
20.1. (A) DVD Module
P.C.B.
19
20.2. (B) Main/Power
P.C.B.
24
20.3. (C) FL, Volume, Tuner Extent, & Tray Loading P.C.B.
26
21 Basic Troubleshooting Guide
27
21.1. Basic Troubleshooting Guide for Traverse Unit (DVD
28
Module P.C.B.)
29
21.2. Troubleshooting Guide for Power section (Power circuit)
75
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22 Overall Block (HT340)
30
22.1. HT340 DVD Unit Block
22.2. HT340 Block (Analog Signal : DVD 5.1ch Play Back
30
Mode)
31
22.3. HT340 Block (Analog Signal : 2ch Analog Input Mode)
79
31
22.4. HT340 Power Supply Block
32
22.5. HT340 Power (Main) Block
32
23 Terminal Function of ICs
33
23.1. IC2018 (C2CBYY000194): System Control
33
Microprocessor IC
33
24 Exploded Views
33
24.1. Cabinet Parts Location
34
24.2. Packaging
34
25 Replacement Parts List
34
25.1. Component Parts List
34
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Sa-ht340eg
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