LG 24MP48HQP - Troubleshooting Guide; No Power Troubleshooting Guide

TROUBLESHOOTING GUIDE
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Only for training and service purposes
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1. NO POWER
`
No power issue
Check JK100 PIN 1
Is IC102
PIN2(19V),PIN3(5V)
CHECK ADAPTER
CHECK IC102
Is IC 201
PIN1(3.3V)
PIN3(1.2V).
CHECK 201
Is IC100 PIN45,PIN46
PULSE
CHECK CRYSTAL X100
YES YES YES
NO
NO
NO
NO
CHECK IC100
IC102‐#1 IC102‐#2 IC201
X100