Read LG 50LN570S-ZA / 50LN575S-ZE / 50LN575V-ZE / 50LN577S-ZK / 50LN577V-ZK / 50LN578V-ZE / 50LN5708-ZA / 50LN5758-ZE / 50LN5778-ZK (CHASSIS:LD33B) Service Manual online
49 / 88
24 Pin
(Power Board ↔ Main Board)
SMAW200-H24S
1
Power on
2
Inverter On/off
3
3.5V
4
PWM Dim #1
5
3.5V
6
PWM Dim #2
7
GND
8
GND
9
24V
10
24V
11
GND
12
GND
13
12V
14
12V
15
12V
16
24V
17
GND
18
GND
19
GND
20
GND
21
GND
22
L/DIMO_VS
23
L/DIM0_MOSI
24
L/DIM0_SCLK
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
For ’10 models, there is no voltage out for st
-by purpose.
When st-by, only 3.5V is normally on.
Check the DC 24V, 12V, 3.5V.
2012. 12 .06
Click on the first or last page to see other 50LN570S-ZA / 50LN575S-ZE / 50LN575V-ZE / 50LN577S-ZK / 50LN577V-ZK / 50LN578V-ZE / 50LN5708-ZA / 50LN5758-ZE / 50LN5778-ZK (CHASSIS:LD33B) service manuals if exist.