Panasonic TX-42ASR600, Service Manual

Page: 23 / 76

TX-42ASR600
23
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
PNL12V TP4097 12.1 ± 0.8V
SUB3.3V TP5400 3.32 ± 0.165V
SUB1.1V TP8101 1.2 ± 0.06V
SUB1.5V TP8101 1.52 ± 0.05V
SUB5V TP5420 5.0 ± 0.25V
HDMI3.3V TP8000 3.3 ± 0.16V
STB5V TP5200 4.9V - 5.4V
STB3.3V TP5002 3.14V - 3.46V
LNB_PWR TP6702 12.545V - 19.475V
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 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)