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.
Summary of Contents for TH-50C300K
Page 17: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 17 3 Remove the back cover ...
Page 19: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 19 9 Block Diagram ...
Page 21: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 21 11 Schematic Diagram ...
Page 22: ...TH 50C300K TH 50C300M TH 50C300S TH 50C300T TH 50C300X 22 ...
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