Panasonic TX-LR42U3 Service Manual ▷ View online
TX-LR42U3
21
7.9.
Disassembly P board and A Board Assembly
1. Remove the screws from A-board 5pcs screws.
2. Remove the screws from P-board 6pcs screws.
2. Remove the screws from P-board 6pcs screws.
TX-LR42U3
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7.10. Back Cover Assembly
1. Fix the BACK COVER with SCREWS 14pcs and 1pcs at AV side.
2. Insert COVER (Adj.window)
2. Insert COVER (Adj.window)
TX-LR42U3
23
7.11. Disassembly Back Cover Assembly
1. Remove the screws from the BACK COVER with 14pcs and 1pcs screw at AV Side.
2. Remove the screws from the COVER (Adj. window).
2. Remove the screws from the COVER (Adj. window).
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8 Measurements and Adjustments
8.1.
Voltage chart of A-board
Set A-Board to a dummy set and check the satisfaction with the specified voltage as following table.
8.2.
Voltage chart of P-board
Set P-Board to a dummy set and check the satisfaction with the specified voltage as following table.
VOLTAGE
TEST POINT
SPECIFICATION
SUB3.3V
TP8615
3.21 - 3.45 V
SUB1.5V
TP8101
1.47 - 1.56 V
SUB1.2V
TP8100
1.26 - 1.33 V
SUB5V
TP0910
4.8 - 5.2 V
VOLTAGE
TEST POINT
SPECIFICATION
PFC390V
+TP811, TP812
390 ± 15V
* HOT
+TP813, TP814
PVT16V
+TP818, TP819
15.6 ± 1.5V
+TP828, TP827
24V
+TP830, TP829
24 ± 2V
+TP828, TP827
STBY6V
+TP816, TP817
5.8 ± 0.8V
+TP828, TP827
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