Advertisement
Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
When st-by, only 3.5V is normally on.
Direct LED
Direct LED
Copyright ⓒ 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
B. Power error _No power
Check power input voltage and ST-BY 3.5V
Checking method when power is ON
Check the DC 24V, 12V, 3.5V.
24 Pin
(Power Board ↔ Main Board) -
1
Power on
3
3.5V
5
3.5V
7
GND
18pin
9
24V
11
GND
13
12V
15
12V
17
GND
19
19
GND
GND
21
GND
23
L/DIM0_MOSI
Established
2013. 11 .30
date
Revised
date
date
공통
SMAW200-H24S5
SMAW200-H24S5
2
INV_ON
4
PDIM #1
6
8
PDIM #2
10
12
14
16
18
20
20
22
L/DIM0_VS
24
L/DIM0_SCLK
A18
3.5V
24V
GND
12V
24V
GND
GND
GND
LGE Internal Use Only
Advertisement
