
TH-49ES630K/M/S
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
2Warning--------------------------------------------------------------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. Install Bottom Metal & AV Bracket ------------------- 16
7.4. Chasis Bracket A-PCB---------------------------------- 17
7.5. Screw Installlation (Panel) ----------------------------- 18
7.6. Screw Installation (BC) --------------------------------- 19
7.7. Label Installation ----------------------------------------- 20
7.8. Handling SPEC ------------------------------------------- 21
8 Measurements and Adjustments -------------------------- 22
8.1. Voltage chart of A-board-------------------------------- 22
8.2. Voltage chart of P-board-------------------------------- 22
9 Block Diagram --------------------------------------------------- 23
9.1. Main Block Diagram ------------------------------------- 23
10 Wiring Connection Diagram--------------------------------- 24
10.1. Wire Dressing --------------------------------------------- 24
11 Schematic Diagram--------------------------------------------- 27
12 Printed Circuit Board ------------------------------------------ 28
13 Exploded View and Replacement Parts List----------- 29