LG NP8340 - Page 35

3-16
No 3.3 V
Is the Vin 19 VA
supplied to IC800, L800?
Around the IC800 parts OK? (RLC)
Check the 19 V.
Replace the weird one.
Replace the IC800.
YES
YES
YES
NO
NO
ELECTRICAL TROUBLESHOOTING GUIDE
No 3.6 VA
Is the Vin 5.2 VA
supplied to IC804, L807?
Around the IC804 parts OK? (RLC)
Check the IC805.
Replace the weird one.
Replace the IC804.
YES
YES
YES
NO
NO
POWER SUPPLY ON MAIN BOARD