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Check power input voltage and ST-BY 3.5V
B. Power error _No power
A18
Established
date
Revised
date
Error
symptom
Content
LCD TV
For 13’ models, there is no voltage out for st-by purpose.
When st-by, only 3.5V is normally on.
Edge LED
2012. 12 .21
Edge LED
Standard Repair Process Detail Technical Manual
18 or 24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
PWR ON/OFF
2
DVR ON/OFF
3
3.5V
4
PDIM #1
5
3.5V
6
PDIM #2
7
GND
8
GND
9
24V
10
24V
11
GND
12
GND
13
12V
14
12V
15
12V
16
24V or N.C
17
GND
18
GND
19
GND
20
GND
21
GND
22
V-SYNC
23
SPI-SIN
24
SPI-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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