Read LG 26LV3000 (CHASSIS:LB01V) 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 3.5V signal of 24pin power out when
TV is st-by status
For ’11 models, there is no voltage out for st-by purpose.
When TV is st-by status(DC OFF), only 3.5V output is normally on.
When TV is st-by status(DC OFF), only 3.5V output is normally on.
2011. 1. 20
Pin layout (24P)
1
Power on
2
24V
20V (Edge 32/37 Only)
3
20/24V
4
20/24V
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
PSU : GND, LPB : NC
17
12V
18
Inverter ON
19
12V
20
LED : NC
21
12V
22
PWM Dim #1
23
NC
(Lamp Scanning Model
: PWM Dim #2)
24
Error-out
A19
Edge LED : LPB (PSU+LED Driver)
LAMP
Edge LED : PSU
Edge LED
32/37 PSU
32/37 PSU
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