Panasonic TH-55DS630K, Service Manual

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TH-55DS630K/M
2
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines ----------------------------------------3
1.1.1. Leakage Current Cold Check ----------------------3
1.1.2. Leakage Current Hot Check (See Figure
1.)----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
4 Specifications ------------------------------------------------------ 7
5 Service Mode ------------------------------------------------------- 9
5.1. How to enter into Service Mode ------------------------9
5.1.1. Purpose --------------------------------------------------9
5.1.2. Key command ------------------------------------------9
5.1.3. How to exit ----------------------------------------------9
5.1.4. Contents of adjustment mode ----------------------9
5.1.5. Display of SOS History----------------------------- 10
5.1.6. Exit ------------------------------------------------------ 10
5.1.7. Hotel Mode-------------------------------------------- 10
6 Troubleshooting Guide ---------------------------------------- 11
6.1. Check of the IIC bus lines------------------------------ 11
6.1.1. How to access---------------------------------------- 11
6.1.2. Self-check indication only ------------------------- 11
6.1.3. Self-check indication and forced to factory
shipment setting ------------------------------------- 11
6.1.4. Exit ------------------------------------------------------ 11
6.1.5. Screen display --------------------------------------- 11
6.2. Power LED Blinking timing chart --------------------- 12
6.3. Method of detecting SOS ------------------------------ 12
6.4. LCD Panel test mode ----------------------------------- 13
6.5. No Power--------------------------------------------------- 13
7 Disassembly and Assembly Instructions --------------- 14
7.1. Barrier & Bottom Mtg------------------------------------ 14
7.2. VESA & LED Panel-------------------------------------- 15
7.3. PCB Install ------------------------------------------------- 16
7.4. Key Btn & Speaker--------------------------------------- 17
7.5. WiFi Installation------------------------------------------- 18
7.6. Screwing---------------------------------------------------- 19
7.7. Back Cover Installation --------------------------------- 20
8 Measurements and Adjustments -------------------------- 21
8.1. Voltage chart of A-board-------------------------------- 21
8.2. Voltage chart of P-board-------------------------------- 21
9 Block Diagram --------------------------------------------------- 22
10 Wiring Connection Diagram --------------------------------- 23
10.1. Wire Dressing --------------------------------------------- 23