Power Board Voltage Measuring Method - LG 42LB65 Series Service Manual

Standard Repair Process Detail Technical Manual
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Power Board voltage measuring method

Check the 12V, 3.5V.
24 Pin (Power Board ↔ Main Board)
1 Power on
3 3.5V
5 3.5V
7 GND
9 24V
11 GND
13 12V
15 12V
17 GND
19 GND
21 GND
23 L/DIM0_MOSI
A4
Established
2014. 01 .20
date
Revised
date
SMAW200-H24S5
2 Inverter On
4
6
8
10
12
14
16
18
20
22
L/DIM0_VS
24 L/DIM0_SCLK
A4
PWM#1
3.5V
PWM#2
24V
GND
12V
24V
GND
GND
LGE Internal Use Only