LG NP8540 - Page 38

3-15
No 1.2 V
No 1.5 V
Is the Vin 5.2 VA
supplied to IC902, L903?
Is the Vin 5.2 VA
supplied to IC902, L903?
Around the IC902 parts OK ? (RLC)
Around the IC902 parts OK? (RLC)
Check the IC903.
Check the IC903.
Replace the weird one.
Replace the weird one.
Replace the IC902.
Replace the IC902.
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
ELECTRICAL TROUBLESHOOTING GUIDE
POWER SUPPLY ON MAIN BOARD