Search found 2 matches
- Tue Sep 20, 2016 1:45 pm
- Forum: Laptop Case Studies
- Topic: ACER_4739Z_POWER ON AND SWITCHES OFF IN 2SECONDS
- Replies: 3
- Views: 3331
ACER_4739Z_POWER ON AND SWITCHES OFF IN 2SECONDS
Acer 4739z PROBLEM:power on and switches off in 2seconds(BLUE LIGHT GLOWS FOR 2SECONDS AND OFF) DIAGNOSIS: 1.VIN 19v ok 2.+3V_ALW AND +5V_ALW ok 3.PL14 COIL +3VPCU ok 4.PL13 COIL +5VPCU ---------------0V NOT OK IT SHOULD BE 5V 5.FOUND PQ11 MOSFET SHORT.REPLACED SAME MOSFET.SHORT REMOVED BUT SAME PRB...
- Sat Sep 10, 2016 4:24 am
- Forum: Laptop Case Studies
- Topic: Case Study Sony HK9 Dead
- Replies: 1
- Views: 2212
Re: Case Study Sony HK9 Dead
good one........................
helpful sir
helpful sir