Measurements And Adjustments; Voltage Chart Of A-Board; Voltage Chart Of P-Board - Panasonic TH-42A400G 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.
Power Supply Name
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 TV_SUB_ON P2 connector - pin 8 (TP7416) DC2.5V ON.
NOTE : GND REFERENCE TP7413/TP7414/TP7415/TP7515/TP7516/TP7517 (COLD SIDE)
Measurement Point
TNR1.8V TP8705
VCCK1.1V TP8700
SUB3.3V TP8711
SUB5V TP8702
STB5.3V TP8701
PNL12V TP8300
DDR1.8V TP8707
STB3.3V TP8708
TNR3.3V TP6701
Output Test Point
24V TP7407
16V TP7410
5VS TP7501
PFC TP7201 or TP7202
Supply DC 2.5V to TV_SUB_ON P2 connector - pin 8 (TP7416), displayed as SWITCH.
Specification (V)
1.74 - 1.90
1.14 ~ 1.28
3.19 - 3.46
4.9 - 5.2
4.9 - 5.5
11.5 - 12.5
1.75 ~ 1.85V
3.2V ~ 3.40V
3.2V ~ 3.4V
Specification
Step 1
<1V
<1V
5.2 ± 0.2V
<340V
19
TH-42A400G
Remark
-
-
-
-
-
-
-
-
-
Step 2
32 ± 1.6V
15.7 ± 0.8V
5.2 ± 0.2V
390V ± 15V