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Standard Repair Process Detail Technical Manual
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Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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Power Board voltage measuring method
The Wafer,18Pin and 24Pin, is used by operating LocalDimming or not LocalDimming
- 24Pin wafer is applied operating L/D at power and main B/D
- 18Pin wafer is applied not operating L/D at power and main B/D
Established
date
Revised
date
Check the DC 24V, 12V, 3.5V.
18 or 24 Pin
(Power Board ↔ Main Board)
SMAW200-H18/24S5 (YEONHO)
1
PWR ON/OFF
3
3.5V
5
3.5V
7
GND
9
24V
11
GND
13
12V
15
12V
17
GND
19
GND
21
GND
23
L/DIMO_MOSI
2
INV ON
4
PDIM #1
6
3.5V
8
PDIM #2
10
24V
12
GND
14
12V
16
24V or N.C
18
GND
20
GND
22
L/DIMO_VS
24
L/DIMO-SCLK
LGE Internal Use Only
A5
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