Read Panasonic TX-50CX670E / TX-50CX680E / TX-50CXR700 (serv.man2) Service Manual online
2
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
1.2. Touch-Current Check--------------------------------------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 Technical Descriptions------------------------------------------9
5.1. Specification of KEY for CI Plus, DTCP-IP,
One-to-One, Widevine, Netflix and HDCP -----------9
5.2. How to connect and disconnect for A16B
connector on A board ----------------------------------- 10
6 CS Maintenance Menu----------------------------------------- 11
6.1. How to enter into CS Maintenance Menu---------- 11
6.2. Repack------------------------------------------------------ 11
6.3. EDID Clock ------------------------------------------------ 12
6.4. USB HDD Drive Check --------------------------------- 12
6.5. System Information -------------------------------------- 13
6.6. Hotel mode------------------------------------------------- 14
6.7. Data Copy by USB Memory --------------------------- 15
6.2. Repack------------------------------------------------------ 11
6.3. EDID Clock ------------------------------------------------ 12
6.4. USB HDD Drive Check --------------------------------- 12
6.5. System Information -------------------------------------- 13
6.6. Hotel mode------------------------------------------------- 14
6.7. Data Copy by USB Memory --------------------------- 15
7 Troubleshooting Guide---------------------------------------- 18
7.1. Check of the IIC bus lines------------------------------ 18
7.2. Power LED Blinking timing chart --------------------- 20
7.3. LCD Panel test mode ----------------------------------- 20
7.2. Power LED Blinking timing chart --------------------- 20
7.3. LCD Panel test mode ----------------------------------- 20
8 Disassembly and Assembly Instructions--------------- 21
8.1. Disassembly Flow Chart for the Unit ---------------- 21
8.2. Disassembly Procedure for the Unit----------------- 22
8.3. Specification of EMI countermeasures ------------- 27
8.2. Disassembly Procedure for the Unit----------------- 22
8.3. Specification of EMI countermeasures ------------- 27
9 Measurements and Adjustments -------------------------- 38
9.1. Voltage chart of P-board-------------------------------- 38
9.2. Voltage chart of A-board------------------------------- 38
9.2. Voltage chart of A-board------------------------------- 38
10 Block Diagram --------------------------------------------------- 39
10.1. Block Diagram (1/3) ------------------------------------- 39
10.2. Block Diagram (2/3) ------------------------------------- 40
10.3. Block Diagram (3/3) ------------------------------------- 40
10.2. Block Diagram (2/3) ------------------------------------- 40
10.3. Block Diagram (3/3) ------------------------------------- 40
11 Wiring Connection Diagram --------------------------------- 41
11.1. Wiring Diagram ------------------------------------------- 41
11.2. Caution statement.--------------------------------------- 42
11.3. Dressing Wire --------------------------------------------- 42
11.2. Caution statement.--------------------------------------- 42
11.3. Dressing Wire --------------------------------------------- 42
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