REPAIR TUTORIAL Laptop motherboard code and abbreviations By Learnallfix September 29, 2021 0 C :CAPACITORD :DIODEF :FUSEL :INDUCTORPC :POWER CAPACITORPD :POWER DIODES/DIODEPL :POWER INDUCTORPQ :POWER TRANSISTORPR :POWER RESISTORPU :POWER INTEGRATED CIRCUITQ :TRANSISTORR :RESISTORT : TransformersU :INTEGRATED CIRCUIT/BGA CHIP/EMBEDDED CONTROLER/BIOS IC,ETCX : Terminal strips,… Read more
REPAIR TUTORIAL Laptop motherboaed sleep states(S0-S5) By Learnallfix September 28, 2021 0 VS to Device (Lcd / led, hdd, optical, usb, wifi, bloutooth, keyboard, sound, camera etc.) For details on each Rail Voltage VS can be seen on the schema and Datasheet… Read more
REPAIR TUTORIAL How To Check No Display Problem On Circuit By Learnallfix September 28, 2021 0 Quick Checks1.Take of all non onboard device : processor , memory / SODIM , bloutooht , webcam , modem , wifi , card reader etc.2.Check and test processor/SODIM, then switch… Read more
REPAIR TUTORIAL How To Check 3v_5v(Rt8206b) System On Laptop Motherboard By Learnallfix September 23, 2021 0 Laptop Motherboard needs 3V and 5V to power up. This 3V_ALW supply gives power to VSB (voltage switch button), EC Bios IC-EC (embedded controller), SB(South bridge) and more other important… Read more
REPAIR TUTORIAL Understanding Laptop Power Sequence By Learnallfix September 23, 2021 0 1.VALW / Power Always or main dc power supplyPower used in the circuit is usually dc consisting of 19V, 3.3. but there are also 15V - 20V adapter range voltage… Read more