2
TABLE OF CONTENTS
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
1.2. Touch-Current Check--------------------------------------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. PCB Layout --------------------------------------------------6
3.2. Applicable signals------------------------------------------7
4 Specifications ------------------------------------------------------8
5 Technical Descriptions---------------------------------------- 10
5.1. Panel-Type setting --------------------------------------- 10
6 Service Mode ----------------------------------------------------- 10
6.1. How to enter into Service Mode ---------------------- 10
6.2. Option - Mirror--------------------------------------------- 12
6.3. Service tool mode---------------------------------------- 12
6.4. DRV Check - USB HDD Check----------------------- 13
6.5. Hotel mode------------------------------------------------- 13
6.6. Data Copy by SD Card --------------------------------- 14
7 Troubleshooting Guide---------------------------------------- 17
7.1. Check of the IIC bus lines------------------------------ 17
7.2. Power LED Blinking timing chart --------------------- 18
7.3. No Power--------------------------------------------------- 19
7.4. No Picture -------------------------------------------------- 20
7.5. Local screen failure-------------------------------------- 21
8 Disassembly and Assembly Instructions --------------- 22
8.1. Disassembly Flow Chart for the Unit ---------------- 22
8.2. Disassembly Procedure for the Unit----------------- 23
9 Measurements and Adjustments -------------------------- 27
9.1. Adjustment ------------------------------------------------- 27
10 Block Diagram --------------------------------------------------- 29
10.1. Main Block Diagram ------------------------------------- 29
10.2. Block (1/4) Diagram ------------------------------------- 30
10.3. Block (2/4) Diagram ------------------------------------- 31
10.4. Block (3/4) Diagram ------------------------------------- 32
10.5. Block (4/4) Diagram ------------------------------------- 33
11 Wiring Connection Diagram --------------------------------- 35
11.1. Caution statement.--------------------------------------- 35
11.2. Wiring (1) --------------------------------------------------- 35
11.3. Wiring (2) --------------------------------------------------- 36
11.4. Wiring (3) --------------------------------------------------- 36
12 Schematic Diagram
13 Printed Circuit Board
14 Exploded View
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