Panasonic TH-49LS1K, Service Manual

Page: 25 / 88

TH-49LS1K/T
25
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
PANEL12V TP4097 11.3V - 13V
SUB3.3V TP5400 3.16V - 3.48V
SUB5V TP5420 4.98V - 5.25V
SUB1.5V TP8101 1.45V - 1.57V
SUB1.1V TP8100 1.14V - 1.26V
STB5V TP5200 4.9V - 5.4V
STB3.3V TP5002 3.14V - 3.46V
TU_1.8V TP6700 1.71V - 1.89V
HDMI3.3V TP8000 3.14V - 3.46V
Output Test Point
Specification
Step 1 Step 2
32V 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 *HOT
Step 1 Supply AC 80V/176V 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 9 (TP7416), displayed as SWITCH.
NOTE: GND REFERENCE TP7413 / TP7414 / TP7415 / TP7515 / TP7516 / TP7517 (COLD SIDE)