Read LG 55LZ9600-JA (CHASSIS:LE13F) Service Manual online
Standard Repair Process Detail Technical Manual
Check power input voltage and ST-BY 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
Error-out
24
NC
(Lamp Scanning Model
: PWM Dim #2)
23
PWM Dim #1
22
12V
21
Lamp : A-dim
LED : NC
20
12V
19
Inverter ON
18
12V
17
PSU : GND, LPB : NC
16
GND
15
GND
14
GND
13
3.5V
12
3.5V
11
3.5V
10
3.5V
9
GND
8
GND
7
GND
6
GND
5
20/24V
4
20/24V
3
24V
20V (Edge 32/37 Only)
2
Power on
1
Pin layout (24P)
A19
ALEF 47”/55”
Edge LED 42 PSU
Edge LED
32 PSU
32 PSU
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