Table Of Contents - Panasonic TC-26LX14 Service Manual

26 inch class 720p lcd hdtv, lh90 chassis
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TABLE OF CONTENTS

1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
2 Warning --------------------------------------------------------------4
2.2. About lead free solder (PbF) ----------------------------5
3 Service Navigation------------------------------------------------6
3.1. Service Hint--------------------------------------------------6
3.2. Applicable signals ------------------------------------------6
4 Specifications ------------------------------------------------------7
5 Service Mode -------------------------------------------------------8
5.1. How to enter into Service Mode ------------------------8
5.2. SRV-TOOL ---------------------------------------------------9
5.3. Hotel mode------------------------------------------------- 10
6 Troubleshooting Guide---------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. No Power--------------------------------------------------- 13
7.1. Pedestal ---------------------------------------------------- 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 ---------------------------------------------- 15
7.8. Speaker ----------------------------------------------------- 15
7.9. A PCB Chassis frame ---------------------------------- 16
7.10. P PCB plastic frame ------------------------------------ 16
7.11. VESA metal------------------------------------------------ 16
7.12. LCD MTG -------------------------------------------------- 16
7.13. LCD Panel ------------------------------------------------- 17
7.14. V-Board ----------------------------------------------------- 17
7.15. EMI processing ------------------------------------------- 18
8 Measurements and Adjustments -------------------------- 21
8.1. Voltage chart of A-board-------------------------------- 21
8.2. Picture level adjustment (RF) ------------------------- 21
8.4. Picture level adjustment (YUV) ----------------------- 22
9 Block Diagram --------------------------------------------------- 23
9.1. Main Block Diagram ------------------------------------- 23
9.2. Block (1/2) Diagram ------------------------------------- 24
9.3. Block (2/2) Diagram ------------------------------------- 25
10 Wiring Connection Diagram --------------------------------- 27
10.1. Caution statement.--------------------------------------- 27
10.2. Wiring ------------------------------------------------------- 27
11 Schematic Diagram--------------------------------------------- 29
11.1. Schematic Diagram Notes ----------------------------- 29
PAGE
11.12. V-Board Schematic Diagram ------------------------- 40
12 Printed Circuit Board------------------------------------------ 41
12.1. A-Board ---------------------------------------------------- 41
12.2. V-Board----------------------------------------------------- 44
13.1. Exploded View and Mechanical Replacement
Parts List --------------------------------------------------- 45
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