Panasonic TXP50VT65B, Service Manual

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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. PCB Layout--------------------------------------------------6
4 Specifications ------------------------------------------------------ 7
5 Technical Descriptions ------------------------------------------ 9
5.1. Specification of KEY for CI Plus, DTCP-IP,
WIDEVINE, Netflix and One-to-One-------------------9
5.2. USB HDD Recording--------------------------------------9
5.3. Service port (M3 mini Jack) Specifications -------- 10
6 Service Mode ----------------------------------------------------- 13
6.1. How to enter into Service Mode ---------------------- 13
6.2. Option - Mirror--------------------------------------------- 15
6.3. Service tool mode---------------------------------------- 15
6.4. DRV Check - USBHDD Check------------------------ 16
6.5. Hotel mode------------------------------------------------- 16
6.6. Data Copy by USB Memory --------------------------- 17
7 Troubleshooting Guide ---------------------------------------- 20
7.1. Check of the IIC bus lines------------------------------ 20
7.2. Power LED Blinking timing chart --------------------- 21
7.3. No Power--------------------------------------------------- 22
7.4. No Picture -------------------------------------------------- 22
7.5. Local screen failure-------------------------------------- 23
8 Service Fixture & Tools --------------------------------------- 24
8.1. SC jig -------------------------------------------------------- 24
9 Disassembly and Assembly Instructions --------------- 25
9.1. Disassembly Flow Chart for the Unit ---------------- 25
9.2. Disassembly Procedure for the Unit----------------- 26
10 Measurements and Adjustments -------------------------- 33
10.1. Adjustment------------------------------------------------- 33
11 Block Diagram --------------------------------------------------- 35
11.1. Main Block Diagram ------------------------------------- 35
11.2. Block (1/4) Diagram ------------------------------------- 36
11.3. Block (2/4) Diagram ------------------------------------- 37
11.4. Block (3/4) Diagram ------------------------------------- 38
11.5. Block (4/4) Diagram ------------------------------------- 39
12 Wiring Connection Diagram --------------------------------- 41
12.1. Caution statement.--------------------------------------- 41
12.2. Wiring (1) --------------------------------------------------- 41
12.3. Wiring (2) --------------------------------------------------- 42
12.4. Wiring (3) --------------------------------------------------- 43
12.5. Wiring (4) --------------------------------------------------- 44