LG 27MK60TM - TROUBLE SHOOTING GUIDE; No Power Troubleshooting; No Screen Troubleshooting

TROUBLE SHOOTING GUIDE
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
No Power
No Screen on
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Replace Cable
N
Module Back Light On?
Check IC203
Replace Main Scaler IC
Y
N N
Check Panel Power 5V(JP229)
Check IC101 Output 5V
Replace IC101 &
Recheck
Y
N
Check Panel Clock
P101(#10,11,22,23)
Check IC203
Repair Main B/D
Y
N
Check FFC Cable for Damage
or Open Conductors
Check LED Driver FB
(P700 1,6)
Replace T-Con Board or
Module
Y
Replace X201
N
Check JP100
Voltage Level (19V)
Check Power connector
OK ?
Replace Power Board
Y
N Y
Check IC100 Output
Voltage Level (1.1V, 3.3V)
Replace IC100 &
Recheck
Y
N
Check X201 Clock
14.318MHz
Check IC101 Output
Voltage Level : C128 (5VS)
Replace IC101 &
Recheck
N
Y
Replace IC201 Flash Memory
Y