Panasonic TH-42PH12ES, Service Manual

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© Panasonic Corporation 2009
Unauthorized copying and distribution is a violation
of law.
Order Number PCZ0907117CE
High Definition Plasma Display
Model No.
TH-42PH12EK
TH-42PH12ES
GPH12D Chassis
TABLE OF CONTENTS
PAGE PAGE
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 ----------------------------------------------------- 8
5 Operating Instructions ------------------------------------------ 9
6 Service Mode ----------------------------------------------------- 11
6.1. CAT (Computer Aided Test) mode -------------------11
6.2. IIC mode structure (following items value is
sample data) -----------------------------------------------14
7 Troubleshooting Guide ---------------------------------------- 15
7.1. Self Check--------------------------------------------------15
7.2. No Power ---------------------------------------------------17
7.3. No Picture-------------------------------------------------- 17
7.4. Local screen failure-------------------------------------- 18
8 Service Fixture & Tools --------------------------------------- 19
8.1. SC jig-------------------------------------------------------- 19
9 Disassembly and Assembly Instructions --------------- 20
9.1. Removal of Rear Cover -------------------------------- 20
9.2. Removal of HU-Board ---------------------------------- 20
9.3. Removal of Slot Block ---------------------------------- 20
9.4. Removal of HX-Board----------------------------------- 20
9.5. Removal of DS-Board----------------------------------- 21
9.6. Removal of DN-Board ---------------------------------- 21
9.7. Removal of D-Board------------------------------------- 21
9.8. Removal of P-Board------------------------------------- 21
9.9. Removal of PF-Board ----------------------------------- 22
9.10. Removal of H3-Board (L, R)--------------------------- 22
9.11. Removal of SU-Board and SD-Board--------------- 22
9.12. Removal of SC-Board----------------------------------- 23
9.13. Removal of SS-Board----------------------------------- 23
9.14. Removal of SS2-Board --------------------------------- 23