Table Of Contents - Panasonic TH-80LFB70E Service Manual

TH-80LFB70E

TABLE OF CONTENTS

1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
1.2. Touch-Current Check--------------------------------------3
2 Warning --------------------------------------------------------------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------------------------------------------------6
3.1. Service Hint--------------------------------------------------6
3.2. Applicable signals ------------------------------------------7
4 Specifications ------------------------------------------------------9
5 Service Mode ----------------------------------------------------- 11
5.1. CAT (Computer Aided Test) mode ------------------- 11
5.2. IIC mode structure (following items value is
sample data)----------------------------------------------- 16
6 Troubleshooting Guide---------------------------------------- 17
6.1. Self Check ------------------------------------------------- 17
6.2. No Power--------------------------------------------------- 19
6.3. No Picture -------------------------------------------------- 19
6.4. Diagnosis of the image --------------------------------- 20
6.5. Diagnosis of Touch Panel ------------------------------ 22
6.6. Diagnosis of the Wi-Fi dongle------------------------- 22
7 Disassembly and Assembly Instructions --------------- 23
7.1. Back Cover and Board---------------------------------- 23
7.2. Preparations ----------------------------------------------- 24
7.3. Replacement of WI-FI Dongle ------------------------ 24
7.4. Removal of Back Cover -------------------------------- 24
7.5. Replacement of H1-Board ----------------------------- 25
7.6. Replacement of Wire (A-WIFI)------------------------ 25
7.7. Replacement of DS-Board ----------------------------- 25
7.8. Replacement of A-Board ------------------------------- 26
7.9. Replacement of Terminal Bracket Metal------------ 28
7.10. Replacement of HX-Board ----------------------------- 28
7.11. Replacement of P-Board ------------------------------- 29
7.12. Replacement of V2-Board ----------------------------- 29
7.13. Replacement of Control Panel Assy and
Power Button ---------------------------------------------- 29
7.14. Replacement of AC Inlet ------------------------------- 30
7.15. Replacement of Speaker (L, R)----------------------- 30
7.16. Replacement of Fan ------------------------------------- 30
7.17. Replacement of LCD Panel --------------------------- 31
7.18. Replacement of Front Glass -------------------------- 43
7.19. Replacement of V1-Board, V PCB Fixing
Metal, and DEC LED Panel---------------------------- 46
7.20. Replacement of Touch Module ----------------------- 47
7.21. Attachment procedure of Touch Panel Filter ------ 50
7.22. Replacement of Cabinet-------------------------------- 51
7.23. Replacement of Cab Fixing Metal (T, B, L, R)
and Back Cover Blind Metal (T, B, L, R)------------ 52
8 Block Diagram --------------------------------------------------- 55
8.1. Main Block diagram-------------------------------------- 55
8.2. Block (1 of 4) Diagram ---------------------------------- 56
8.3. Block (2 of 4) Diagram ---------------------------------- 57
8.4. Block (3 of 4) Diagram ---------------------------------- 58
8.5. Block (4 of 4) Diagram ---------------------------------- 59
9 Wiring Connection Diagram --------------------------------- 60
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