Read LG 84LM9600 (CHASSIS:LB23J) Service Manual online
Check power input voltage and ST-BY 5V
B. Power error _No power
A18
Established
date
Revised
date
Error
symptom
Content
LCD TV
For ’10 models, there is no voltage out for st
-by purpose.
When st-by, only 3.5V is normally on.
Check the DC 20V/24V, 12V, 3.5V.
Edge LED
2010. 12 .14
Edge LED
24 Pin
(Power Board ↔ Main Board) – Common
SMAW200-H24S (YEONHO)
1
Power on
2
24V
3
24V
4
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
GND
17
12V
18
Inverter On/off
19
12V
20
Lamp : A-Dim
LED : N.C
21
12V
22
PWM Dim #1
23
GND/P_DIM2
• Lamp SCANNING Model
: PWM Dim #2
: PWM Dim #2
24
Error-out
Standard Repair Process Detail Technical Manual
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