Standard Repair Process Detail Technical Manual LCD TV
Error symptom
A. Video error_No video/ Audio
Content
Power Board voltage measuring method
Established date Revised date
2010. 2 .19 A5
Check the DC 20V/24V, 12V, 3.5V.
1
IOP 47”/Edge LED 55”
3 5 7 9 11 13 15 17 19
Edge LED 32/42/47” 21 23
Pin layout (24P) 24V (IOP & Edge 55”) Power 2 on 20V (Edge 42/47) 24V 4 24V GND 6 GND GND 8 GND 3.5V 10 3.5V 3.5V 12 3.5V GND 14 GND GND 16 NC 12V 18 Inverter ON LE : NC 12V 20 IOP : PWM Dim #1 LE : PWM Dim #1 12V 22 IOP : NC NC 24 Error-out
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