Panasonic gpf12d th-85pf12u Service Manual
© Panasonic Corporation 2009
Unauthorized copying and distribution is a violation
of law.
Unauthorized copying and distribution is a violation
of law.
Order Number ITD0910145CE
B34 Canada: D10
High Definition Plasma Display
Model No.
TH-85PF12U
GPF12D Chassis
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 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 ----------------------------------------- 8
3.2. Applicable signals ----------------------------------------- 8
4 Specifications ----------------------------------------------------10
5 Operating Instructions-----------------------------------------11
6 Service Mode -----------------------------------------------------13
5 Operating Instructions-----------------------------------------11
6 Service Mode -----------------------------------------------------13
6.1. CAT (Computer Aided Test) mode -------------------13
6.2. IIC mode structure (following items value is
6.2. IIC mode structure (following items value is
sample data) -----------------------------------------------16
7 Troubleshooting Guide ----------------------------------------17
7.1. Self Check--------------------------------------------------17
7.2. No Power ---------------------------------------------------19
7.3. No Picture --------------------------------------------------19
7.2. No Power ---------------------------------------------------19
7.3. No Picture --------------------------------------------------19
7.4. Local screen failure-------------------------------------- 20
8 Service Fixture & Tools --------------------------------------- 21
8.1. Service Stand --------------------------------------------- 21
8.2. SC jig-------------------------------------------------------- 22
8.2. SC jig-------------------------------------------------------- 22
9 Disassembly and Assembly Instructions--------------- 23
9.1. Rear Cover and Board---------------------------------- 23
9.2. Location of Rear Cover screws----------------------- 24
9.3. Removal of HHH-Board -------------------------------- 26
9.4. Removal of HA-Board----------------------------------- 26
9.5. Removal of H5-Board ----------------------------------- 26
9.6. Removal of DS-Board ---------------------------------- 27
9.7. Removal of HX-Board----------------------------------- 27
9.8. Removal of DN-Board ---------------------------------- 28
9.9. Removal of PB-Board----------------------------------- 28
9.2. Location of Rear Cover screws----------------------- 24
9.3. Removal of HHH-Board -------------------------------- 26
9.4. Removal of HA-Board----------------------------------- 26
9.5. Removal of H5-Board ----------------------------------- 26
9.6. Removal of DS-Board ---------------------------------- 27
9.7. Removal of HX-Board----------------------------------- 27
9.8. Removal of DN-Board ---------------------------------- 28
9.9. Removal of PB-Board----------------------------------- 28
9.10. Removal of D-Board------------------------------------- 28
9.11. Removal of P-Board (MAIN_1) ----------------------- 29
9.12. Removal of P-Board (MAIN_2) ----------------------- 29
9.13. Removal of P-Board (SUB)---------------------------- 29
9.14. Removal of F-Board ------------------------------------ 30
9.13. Removal of P-Board (SUB)---------------------------- 29
9.14. Removal of F-Board ------------------------------------ 30