Panasonic TC-L32G1 - 32" LCD TV, Service Manual

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TABLE OF CONTENTS

PAGE

PAGE

1 Safety Precautions

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1.1. General Guidelines ----------------------------------------3

2 Warning

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4

2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatically Sensitive (ES) Devices ----------4

2.2. About lead free solder (PbF) ----------------------------5

3 Service Navigation

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3.1. Service Hint--------------------------------------------------6
3.2. Applicable signals ------------------------------------------6

4 Specifications

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5 Service Mode

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5.1. How to enter into Service Mode ------------------------8
5.2. SRV-TOOL---------------------------------------------------9
5.3. Hotel mode------------------------------------------------- 10

6 Troubleshooting Guide

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6.1. Check of the IIC bus lines------------------------------ 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. No Power--------------------------------------------------- 13

7 Disassembly and Assembly Instructions

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7.1. Pedestal assy --------------------------------------------- 14
7.2. Rear cover ------------------------------------------------- 14
7.3. AC cord ----------------------------------------------------- 14
7.4. P-Board ----------------------------------------------------- 14
7.5. Side AV bracket------------------------------------------- 15
7.6. A-Board ----------------------------------------------------- 15
7.7. Control panel assy --------------------------------------- 15
7.8. Speaker ----------------------------------------------------- 15
7.9. A-P-MTG Metal ------------------------------------------- 16

7.10. VESA metal and LCD BTM MTG -------------------- 16

7.11. Control panel support metal --------------------------- 16

7.12. LCD Panel ------------------------------------------------- 18
7.13. V-Board ----------------------------------------------------- 18
7.14. EMI processing (37 inch)------------------------------- 19
7.15. EMI processing (32 inch)------------------------------- 24

8 Measurements and Adjustments

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8.1. Voltage chart of P-board-------------------------------- 27
8.2. Voltage chart of A-board-------------------------------- 27
8.3. Picture level adjustment (RF) ------------------------- 28
8.4. Picture level adjustment (VIDEO)-------------------- 28
8.5. Picture level adjustment (YUV) ----------------------- 28

9 Block Diagram

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9.1. Main Block Diagram ------------------------------------- 29
9.2. Block (1/2) Diagram ------------------------------------- 30
9.3. Block (2/2) Diagram ------------------------------------- 31

10 Wiring Connection Diagram

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10.1. Caution statement.--------------------------------------- 33
10.2. Wiring (32 inch) ------------------------------------------- 33
10.3. Wiring (37 inch) ------------------------------------------- 34

11 Schematic Diagram

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11.1. Schematic Diagram Notes ----------------------------- 35
11.2. A-Board (1/14) Schematic Diagram ----------------- 36
11.3. A-Board (2/14) Schematic Diagram ----------------- 37
11.4. A-Board (3/14) Schematic Diagram ----------------- 38
11.5. A-Board (4/14) Schematic Diagram ----------------- 39
11.6. A-Board (5/14) Schematic Diagram ----------------- 40
11.7. A-Board (6/14) Schematic Diagram ----------------- 41
11.8. A-Board (7/14) Schematic Diagram ----------------- 42
11.9. A-Board (8/14) Schematic Diagram ----------------- 43

11.10. A-Board (9/14) Schematic Diagram----------------- 44

11.11. A-Board (10/14) Schematic Diagram --------------- 45

11.12. A-Board (11/14) Schematic Diagram --------------- 46
11.13. A-Board (12/14) Schematic Diagram --------------- 47
11.14. A-Board (13/14) Schematic Diagram --------------- 48
11.15. A-Board (14/14) Schematic Diagram --------------- 49
11.16. V-Board Schematic Diagram ------------------------- 50

12 Printed Circuit Board

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12.1. A-Board ---------------------------------------------------- 51
12.2. V-Board----------------------------------------------------- 54

13 Exploded View and Replacement Parts List

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13.1. Exploded View and Mechanical Replacement

Parts List --------------------------------------------------- 55

13.2. Electrical Replacement Parts List ------------------- 60