LG 47LV3700 - Standard Repair Process Detail Technical Manual; A. Video error_No video; Audio - Power Board voltage measuring method

ⓒ LG Electronics. Inc.2009
Standard Repair Process Detail Technical Manual
Power Board voltage measuring method
A. Video error_No video/ Audio
A5
Established
date
Revised
date
Error
symptom
Content
LCD TV
A4
Check the DC 24V, 12V, 3.5V.
SMAW200-H24S (YEONHO)
Error-out24N.C
• Lamp SCANNING Model
: PWM Dim #2
23
PWM Dim #1
2212V21
Lamp : A-Dim
LED : N.C
2012V19
Inverter On/off1812V17
GND16GND15
GND14GND13
3.5V123.5V11
3.5V103.5V9
GND8GND7
GND6GND5
20V (24V)420V (24V)3
20V (24V)2Power on1
24 Pin (Power Board ↔ Main Board) - 공통
ALEF LED
Edge LED
2010. 12 .14
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