LG FLATRON 29UM68 - TROUBLESHOOTING GUIDE; No Power Issue Troubleshooting

TROUBLESHOOTING GUIDE
- 27 -
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. NO POWER
`
No power issue
Check JK400 PIN 4
Is IC500
PIN15(19V),PIN16(5V)
CHECK ADAPTER
CHECK IC500
Is IC501 PIN16(3.3V)
CHECK IC501
Is IC202 PIN95,PIN96
PULSE
CHECK CRYSTAL X200
YES YES YES
NO
NO
NO
NO
CHECK IC202
IC500-#15 IC500-#16 IC501-#16
X200