Panasonic la03 tc-l37u22 Service Manual
2
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------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
3.2. Applicable signals ------------------------------------------6
3.2. Applicable signals ------------------------------------------6
4 Specifications ------------------------------------------------------7
5 Service Mode -------------------------------------------------------8
5 Service Mode -------------------------------------------------------8
5.1. How to enter into Service Mode ------------------------8
5.2. SRV-TOOL------------------------------------------------- 10
5.3. Hotel mode------------------------------------------------- 11
5.4. Data Copy by SD Card --------------------------------- 12
5.2. SRV-TOOL------------------------------------------------- 10
5.3. Hotel mode------------------------------------------------- 11
5.4. Data Copy by SD Card --------------------------------- 12
6 Troubleshooting Guide---------------------------------------- 15
6.1. Check of the IIC bus lines------------------------------ 15
6.2. Power LED Blinking timing chart --------------------- 16
6.3. No Power--------------------------------------------------- 17
6.2. Power LED Blinking timing chart --------------------- 16
6.3. No Power--------------------------------------------------- 17
7 Disassembly and Assembly Instructions --------------- 18
7.1. Pedestal ---------------------------------------------------- 18
7.2. Rear cover ------------------------------------------------- 18
7.3. AC cord ----------------------------------------------------- 18
7.4. P-Board ----------------------------------------------------- 18
7.5. Side AV bracket------------------------------------------- 19
7.6. A-Board ----------------------------------------------------- 19
7.7. Control panel ---------------------------------------------- 19
7.8. Speaker ----------------------------------------------------- 19
7.9. Metal bracket A-Board ---------------------------------- 20
7.2. Rear cover ------------------------------------------------- 18
7.3. AC cord ----------------------------------------------------- 18
7.4. P-Board ----------------------------------------------------- 18
7.5. Side AV bracket------------------------------------------- 19
7.6. A-Board ----------------------------------------------------- 19
7.7. Control panel ---------------------------------------------- 19
7.8. Speaker ----------------------------------------------------- 19
7.9. Metal bracket A-Board ---------------------------------- 20
7.10. Bracket IP -------------------------------------------------- 20
7.11. VESA metal------------------------------------------------ 20
7.12. Metal support---------------------------------------------- 21
7.13. Metal bracket ---------------------------------------------- 21
7.14. LCD Panel ------------------------------------------------- 21
7.15. V-Board ----------------------------------------------------- 21
7.16. EMI processing ------------------------------------------- 22
7.13. Metal bracket ---------------------------------------------- 21
7.14. LCD Panel ------------------------------------------------- 21
7.15. V-Board ----------------------------------------------------- 21
7.16. EMI processing ------------------------------------------- 22
8 Measurements and Adjustments -------------------------- 25
8.1. Voltage chart of P-board-------------------------------- 25
8.2. Voltage chart of A-board-------------------------------- 25
8.3. Picture level adjustment (RF) ------------------------- 25
8.2. Voltage chart of A-board-------------------------------- 25
8.3. Picture level adjustment (RF) ------------------------- 25
9 Block Diagram --------------------------------------------------- 27
9.1. Main Block Diagram ------------------------------------- 27
9.2. Block (1/2) Diagram ------------------------------------- 28
9.3. Block (2/2) Diagram ------------------------------------- 29
9.2. Block (1/2) Diagram ------------------------------------- 28
9.3. Block (2/2) Diagram ------------------------------------- 29
10 Wiring Connection Diagram --------------------------------- 31
10.1. Caution statement.--------------------------------------- 31
10.2. Wiring ------------------------------------------------------- 31
10.2. Wiring ------------------------------------------------------- 31
11 Schematic Diagram--------------------------------------------- 33
11.1. Schematic Diagram Notes ----------------------------- 33
11.2. P-Board (1/2) Schematic Diagram------------------- 34
11.3. P-Board (2/2) Schematic Diagram------------------- 35
11.4. A-Board (1/13) Schematic Diagram ----------------- 36
11.5. A-Board (2/13) Schematic Diagram ----------------- 37
11.6. A-Board (3/13) Schematic Diagram ----------------- 38
11.7. A-Board (4/13) Schematic Diagram ----------------- 39
11.8. A-Board (5/13) Schematic Diagram ----------------- 40
11.9. A-Board (6/13) Schematic Diagram ----------------- 41
11.2. P-Board (1/2) Schematic Diagram------------------- 34
11.3. P-Board (2/2) Schematic Diagram------------------- 35
11.4. A-Board (1/13) Schematic Diagram ----------------- 36
11.5. A-Board (2/13) Schematic Diagram ----------------- 37
11.6. A-Board (3/13) Schematic Diagram ----------------- 38
11.7. A-Board (4/13) Schematic Diagram ----------------- 39
11.8. A-Board (5/13) Schematic Diagram ----------------- 40
11.9. A-Board (6/13) Schematic Diagram ----------------- 41
11.10. A-Board (7/13) Schematic Diagram ----------------- 42
11.11. A-Board (8/13) Schematic Diagram----------------- 43
11.12. A-Board (9/13) Schematic Diagram----------------- 44
11.13. A-Board (10/13) Schematic Diagram --------------- 45
11.14. A-Board (11/13) Schematic Diagram --------------- 46
11.15. A-Board (12/13) and V-Board Schematic
11.13. A-Board (10/13) Schematic Diagram --------------- 45
11.14. A-Board (11/13) Schematic Diagram --------------- 46
11.15. A-Board (12/13) and V-Board Schematic
Diagram ---------------------------------------------------- 47
11.16. A-Board (13/13) Schematic Diagram --------------- 48
12 Printed Circuit Board------------------------------------------ 49
12.1. P-Board ---------------------------------------------------- 49
12.2. A-Board ---------------------------------------------------- 51
12.3. V-Board----------------------------------------------------- 53
12.2. A-Board ---------------------------------------------------- 51
12.3. V-Board----------------------------------------------------- 53
13 Exploded View and Replacement Parts List----------- 55
13.1. Exploded View and Mechanical Replacement
Parts List --------------------------------------------------- 55
13.2. Electrical Replacement Parts List ------------------- 59