Measurements And Adjustments; Voltage Chart Of A-Board; Voltage Chart Of P-Board - Panasonic TX-42ASR600 Service Manual

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 load and check the satisfaction with the specified voltage as following table.
Step 1 Supply AC 100V/230 to JK7101 connector in the P-Board. Main power button is OFF.
Step 2 Supply DC 2.5V to TV_SUB_ON P2 connector - pin 8 (TP7416), displayed as SWITCH.
NOTE : GND REFERENCE TP7413/TP7414/TP7415/TP7515/TP7516/TP7517 (COLD SIDE)
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Power Supply Name Measurement Point
PNL12V
SUB3.3V
SUB1.1V
SUB1.5V
SUB5V
HDMI3.3V
STB5V
STB3.3V
LNB_PWR
Output Test Point
24V TP7407
16V TP7410
5VS TP7501
PFC TP7201 or TP7202
Specification
TP4097 12.1 ± 0.8V
TP5400 3.32 ± 0.165V
TP8101 1.2 ± 0.06V
TP8101 1.52 ± 0.05V
TP5420 5.0 ± 0.25V
TP8000 3.3 ± 0.16V
TP5200 4.9V - 5.4V
TP5002 3.14V - 3.46V
TP6702 12.545V - 19.475V
Specification
Step 1
<1V
<1V
5.2 ± 0.2V
<340V
23
TX-42ASR600
Step 2
32 ± 1.6V
15.7 ± 0.8V
5.2 ± 0.2V
390V ± 15V