Panasonic VIERA TH-L32S25A, Service Manual

Page: 31 / 81

TH-L32S25A
31
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 IP-Board to a dummy set and check the satisfaction with the specified voltage as following table.
NOTE: Active stdby will operate after 1 minute set stdby
8.3. Power Supply to Check A-Board
1. Add a regulated voltage to following TP.
2. MAIN_SW / Turn on a MAIN_SW
3. SUB_ON (TP2814) “High” TP/ Add a regulated voltage to following TP after SUB_ON (TP2767) becomes “High”.
Power Supply Name Measurement Point Specification (V)
SUB3.3V TP5503 3.21V - 3.45V 3.33 ok
SUB1.5V TP5502 1.47V - 1.56V 1.51 ok
SUB1.2V_A TP5500 1.26V - 1.33V 1.29 ok
SUB1.2V_D TP5501 1.26V - 1.33V 1.28 ok
SUB5V TP5200 4.86V - 5.14V 4.99 ok
SUB_OP_5V TP5300 4.92V - 5.31V 5.11 ok
Power Supply Name Measurement Point Normal condition (V) Normal condition (V)
P32V TP7503 31 ± 2.5 V < 3.0
17V TP7502 18 ± 2 V < 2.0
DTV12V TP7501 12 ± 0.6 V < 2.0
TUNER6V TP7601 6.1 ± 0.3 V 6.1 ± 0.3 V
DC390V TP7201 390 ± 10 V NO CARE * HOT
Power Supply Name TP No. Voltage (V)
5.8VS TP2750 5.8 +/- 2%
STB_SUB_5.8V TP2789 5.8 +/- 2%
GND TP2785 0V
BL_SOS TP2780 0V
Power Supply Name TP No. Voltage (V)
P17V TP2782 18V +/- 2%
SUB_F12V_15V TP2783 12V +/- 2%