Model: Hp 15-AY series
Board id ; BDL50 LA-D702P
IssueN : NO WERPA (shortedboard)
TOOLS
technician
Multitester
Screw driver
Hot air
Power suppy
Pc or loptop for view schematic diagram/ boardview
ACTION TAKEN
1. Check charging pin at charger working
2. Nxt open then unit diagnose and view...
To site owner boss @intoy at admin @khai new stsff all members maraming salamat sa tiwala...na binigay nyo skin full support ako hanggat kaya mabuhay ang new pinoytechnician.com
mosfet’s on laptop
1.P-channel mosfet
2.N-channel mosfet
We Can identify P-channel or N-channel mosfet with different marking code.
Easy way to identified look at the number of marking code
1. P-channel mosfet
For example
AO4435
to identify the mosfet if N-Channel or P-Channel
use...
Collections and guide for Main Regulator | Charging IC voltage output for testing
Component IC Testing
To effective test IC we need access to schematic or datasheet
based on where the pin is connected we can predict an approximate value in resistance reading pin to ground it should be kilo ohms...
Acer aspire E15-475 No display
tools
hotair
screw opening tools
loptop or pc
RT809F bios programmer
software link
Action taken
Basic trobleshoot
Try external monitor negative
Try ram at lcd negative
Check voltage in ram at mainreg 3v 5v all present
Solution...
Last option flash bios...
Acer aspire E15-475 No display
tools
technician
screw opening tools
loptop or pc
RT809F bios programmer
Action taken
Basic trobleshoot
Try external monitor negative
Try ram at lcd negative
Check voltage in ram at mainreg 3v 5v all present
Solution...
Last option flash bios done......
NOTe...
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