LG 42LB5800 - Page 60

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Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
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LCD TV
Check the DC 24V, 12V, 3.5V.
2014
.
1
.
2
18 or 24 Pin (Power Board ↔ Main Board) -
공통
SMAW200-H18/24S5 (YEONHO)
1 PWR ON/OFF 2 INV ON
3 3.5V 4 PDIM #1
5 3.5V 6 3.5V
7 GND 8 PDIM #2
9
24V
10
24V
9
24V
10
24V
11 GND 12 GND
13 12V 14 12V
15 12V 16 24V or N.C
17
GND
18
GND
17
GND
18
GND
19 GND 20 GND
21 GND 22 L/DIMO_VS
23 L/DIMO_MOSI 24 L/DIMO-SCLK
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
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