TH-50C300K/TH-50C300M/TH-50C300S/TH-50C300T/TH-50C300X
18
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 L102 1.14 - 1.26 -
SUB3.3V U101 3.19 - 3.46 -
SUB5V L116 4.92 - 5.25 -
STV3.3V P102(pin7) 3.19 - 3.46 -
PNL12V L101 11.5 - 12.5 -
Output Test Point
Specification
Step 1 Step 2
24V CN1 (pin 1, 2, 4) <1V 24 ± 1.6V
3.3V CN1 (pin7) 3.3 ± 0.2V 3.3 ± 0.2V
PFC R13 <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, displayed as SWITCH.