POWER ON ERROR
No display or Not working.
2-3. IC602
1) Check 5.2 VA at L604.
2) If 12 VA is not checked, then find 12 VA at pin3 of IC602.
3) 2) is OK Replace IC602.
IC602 pin3
IC602 pin3
L604
L604
2-4. IC601
1) Check 1.2 VA at L602.
2) If 1.2 VA is not checked, then find 5.2 VA at pin3 of IC601.
3) 2) is OK Replace IC601.
2-5. IC606
1) Check VCC_3.3 V at L608.
2) If VCC_3.3 V is not checked, then find 3.3 VA at pin1 of IC606.
3) Is the Power control "H"? Check pin3 of IC606.
4) 2) is OK Replace IC606, 3) is No Replace IC502.
L608
L608
ONE POINT REPAIR GUIDE
< MAIN board top view >
L602
L602
< MAIN board top view >
IC606 pin3
IC606 pin3
< MAIN board top view >
IC601 pin3
IC601 pin3
3-4