Panasonic TH-42a410t, Service Manual

Page: 19 / 65

TH-42A410T
19
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.
Power Supply Name Measurement Point Specification (V) Remark
SUB1.2V TP8004 1.14 - 1.26 -
SUB3.3V TP8003 3.19 - 3.46 -
SUB5V TP8002 4.92 - 5.25 -
STB5V TP8009 5.3 ± 0.3 -
PNL12V TP4300 11.5 - 12.5 -
Output Test Point
Specification
Step 1 Step 2
24V TP7407 <1V 32 ± 1.6V
16V TP7410 <1V 15.7 ± 0.8V
5VS TP7501 5.2 ± 0.2V 5.2 ± 0.2V
PFC TP7201 or TP7202 <340V 390V ± 15V
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.
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)