Read LG 55LM960V (CHASSIS:LD23E) Service Manual online
Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 3.5V
B. Power error _No power
A18
Established
date
Revised
date
Error
symptom
Content
LCD TV
A18
Check the DC 24V, 12V, 3.5V.
ALEF LED
2011. 12 .14
24 Pin
(Power Board ↔ Main Board) -
공통
SMAW200-H24S (YEONHO)
1
Power on
2
20V (24V)
3
20V (24V)
4
20V (24V)
5
GND
6
GND
7
GND
8
GND
9
3.5V
10
3.5V
11
3.5V
12
3.5V
13
GND
14
GND
15
GND
16
N.C
(Only LPB : V-sync)
17
12V
18
Inverter On/off
19
12V
20
N.C
(LPB, Lamp : A-dim)
21
12V
22
PWM Dim #1
23
N.C
(only Lamp SCANNING Model
: PWM Dim #2)
24
Error-out
<XXLM9600>
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