Read Panasonic TX-20LB5F / G / TX-20LB5P / G Service Manual online
TX-20LB5F/G
TX-20LB5P/G
TX-20LB5P/G
2
CONTENTS
Page
1. Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines -------------------------------------- 3
1.2.
Touch-Current
Check
------------------------------------ 3
2. Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices ------------------ 4
3 About lead free solder (PbF) --------------------------------- 5
4. Self Check ---------------------------------------------------------- 6
5. Chasis Board Layout -------------------------------------------- 7
6. Before servicing -------------------------------------------------- 8
6.1. Wire dressing ---------------------------------------------- 8
7. Disassembly for service --------------------------------------- 9
7.1. Stand ass´y ------------------------------------------------ 9
7.2. Back cover ------------------------------------------------- 9
7.3.
CTRL
ass´y
-----------------------------------------------10
7.4. LED ass´y -------------------------------------------------10
7.5.
AV
ass´y
---------------------------------------------------- 11
7.6. INVERTER ------------------------------------------------ 11
7.7.
TTL
ass´y
-------------------------------------------------- 11
7.8. Speaker (left and right) --------------------------------- 11
7.9.
Main
ass´y
-------------------------------------------------12
7.10.Panel
LCD
-------------------------------------------------12
Page
8 Service Mode Function ----------------------------------------13
8.1. How to enter SERVICE 1 ------------------------------13
8.2. How to enter SERVICE 2 ------------------------------13
8.3. Option Description --------------------------------------14
9. Conduct Views ---------------------------------------------------16
9.1. Foil Side ---------------------------------------------------16
9.2. Component Side -----------------------------------------18
10. Block and Schematic Diagrams --------------------------20
10.1. Schematic Diagram Notes ---------------------------20
10.2.
Block
Diagram
------------------------------------------21
10.3.
Schematic
Diagram
-----------------------------------22
11. Parts Location & Replacement Parts List -------------28
11.1. Different parts List -------------------------------------28
11.2. Exploded View ------------------------------------------29
11.3. Stand Assy Exploded View --------------------------30
11.4. Packing Exploded Views -----------------------------31
11.5. Electrical Replacement Parts List ------------------32
Click on the first or last page to see other TX-20LB5F / G / TX-20LB5P / G service manuals if exist.