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History:
Bigla nalang daw namatay habang ginagamit
Problem:
No power, No display
Test:
- Nag chacharge upto 0.55A consumption but walang display
- 3.8-4v sa battery terminal pag sinalpak ang charger
- 1.3v sa power switch
- connect to dc bench, pag press ng power meron lang 0.03A steady
-...
Model:
Nokia 6 TA-1021
Problem:
Dead / No Power
Dinala ang unit no power, wala din power consumption sa product schematic.
Baklas unit, voltage check sa VBUS_USB may present na 5.2v hanggang sa main board so okay ang charging system.
Voltage check sa VBATT 0v so may idea na tayo na may...
Note: karamihan sa thema ng mga post ko ay hindi para sa mga totally zero knowledged sa laptop. Ito ay intended as a reference post later on in the future para sa mga technician na nakapag umpisa ng mag aral ng tamang laptop repair ☝️☝️☝️ if you want me to be one of your educators, enroll and...
History
Bigla na lang daw namatay ang unit
Diagnosing
Tinester ko muna ,ayun full shorted
Saksak sa power supply then kapa mode at dun natin nakita kung san banda ang nainit.
Next pausokan ng rosin kung san banda nainit at natumbok natin kung ano ang salarin
"power amplifier IC need replace...
Realme X3 No Power Dead, umiinit lng ung power IC, pinalitan ko ng bago ganon padin. Hopeless na kc wlang tricks o nka pag ayus na ng ganitong model sa google at youtube. Kaya subok ulit mg hanap ng fault component, at sucess nahanap ko ung shorted cap. Near sa CPU, using shortkiller confirm...
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