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6. AV Video
Check input signal format.
Is it supported?
↓ OK
Check AV Cable for damage or
open conductor.
↓ OK
Check JK1206
↓ OK
Check Mstar LVDS output
7. HDMI Video
Check input signal format.
Is it supported?
↓ OK
Check HDMI Cable for damage or
open conductor.
↓ OK
Check JK500
↓ OK
Check EDID & EEPROM IC500
I2C Signal (#5, #6)
↓ OK
Check HDCP key NVRAM(IC105)
power & I2C Signal (#5, #6)
↓ OK
Check HDMI Signal
↓ OK
Check Mstar LVDS output
Copyright ⓒ 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
→
Replace Jack.
NO
→
Replace Mstar(IC100)
NO
or Main board
→
Replace Jack.
NO
Replace the defective IC or re-
→
download
NO
EDID data.
→
Replace the defective IC.
NO
→
Check other set.
NO
If no problem, check signal line.
→
Replace Mstar(IC100)
NO
or Main board
→
Replace Main board
NO
LGE Internal Use Only
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