LG 32LH500D - Video error_No video; Audio

Standard Repair Process Detail Technical Manual
LED TV
Error
symptom
Video error_No video/ Audio
Established
date
2016. 03.07
Content
Main Board voltage measuring method
Revised
date
A2
Check all power point
Check main 5V,3.3V ,V_CORE(1.2V),DDR_1.5V
U701
+5V_Standby
U705
+3.3V_Standby
U705
+1.2V_V_CORE
Q702
+5V_ SW
U702
+3.3V_ NORMAL
U706
DDR_1.5V
No. Parts Net Test point
1 U701
+5V_Standby
C738
2
U
705 +3.3V_Standby
C717
3
U
705 +1.2 V_CORE
FB705
4
Q
702
+5V_ SW
C708
5
U
702 +3.3V_ NORMAL
FB703
6
U
706 DDR_Power +1.5V
C743
7 CN701
+12V
Pin 1/2
8
Q
703
+3.3V_PS-ON
R708
9
U
601
AMP_Power 12V
C601
10
Q708
+12V_Panel Power
C261