Panasonic TH-49LS1K, Руководство по обслуживанию

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TH-49LS1K/T
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. Key Button & LED Assembly-------------------------- 14
7.2. VESA Metal & Btm Back Cover ---------------------- 15
7.3. Bottom Metal & Bottom Corner Cover -------------- 16
7.4. Corner Cover (1/2)--------------------------------------- 17
7.5. Corner Cover (2/2)--------------------------------------- 18
7.6. LED Installation ------------------------------------------- 19
7.7. Screw Installation (Panel) ------------------------------ 20
7.8. Screw Installation (Back Cover) ---------------------- 21
7.9. Gap Spec--------------------------------------------------- 22
7.10. Label Installation ----------------------------------------- 23
7.11. Handling SPEC ------------------------------------------- 24
8 Measurements and Adjustments -------------------------- 25
8.1. Voltage chart of A-board-------------------------------- 25
8.2. Voltage chart of P-board-------------------------------- 25
9 Block Diagram --------------------------------------------------- 26
9.1. Main Block Diagram ------------------------------------- 26
9.2. i-LED Block Diagram ------------------------------------ 27
10 Wiring Connection Diagram --------------------------------- 28
10.1. Wire Dressing (1/3) -------------------------------------- 28
10.2. Wire Dressing (2/3) -------------------------------------- 29
10.3. Wire Dressing (3/3) -------------------------------------- 30
11 Schematic Diagram --------------------------------------------- 31
12 Printed Circuit Board ------------------------------------------ 32
13 Exploded View and Replacement Parts List ----------- 33