Dell V3560 Inspiron 15R 5520 LA-8241P Laptop Schematics

Diagram for Dell V3560  Inspiron 15R 5520 Laptop Schematics

Dell V3560 Inspiron 15R 5520 Laptop Schematics

Dell V3560  Inspiron 15R 5520 LA-8241P Laptop Schematics

MODEL NAME : CL00_QCL20
PCB NO : LA-8241P
BOM P/N: 4619GP31L21 Inspiron DIS
4619GQ31L21 Inspiron UMA
4619GP31L01 Vostro DIS
4619GQ31L01 Vostro UMA

 

BASIC CHECKS:

KB9012QF KBC Controller
on pins:
100 – EC_RSMRST#
check +3VALW_EC on LE1 coil. Its always voltage for KBC controller.
Pins: 3, 22, 33, 96, 111, 125.

Main Power – Charger
PU100 – ISL88731CHRTZ

Check:
Pin2 – ACIN
AC Adapter Detection Input. Connect to a resistor divider from the AC adapter output.

Pin13 – ACOK
AC Detect Output. This open drain output is high impedance
when ACIN is greater than 3.2V. The ACOK output remains low
when the ISL88731 is powered down.

Pin3 – VREF 
VREF is a reference output pin. It is internally compensated.

Pin23 – VDDP
Linear Regulator Output. VDDP is the output of the 5.2V linear regulator supplied from DCIN.

2 comments

  • i want to learn laptop motherboard chip level repair
    plz send me step by step notes

    i have BGA PSU,SOLDERING GUN ,AND OTHER BASIC TOOLS
    BUT I DONT HAVE KNOWLEDGE HOW TO CHECK MOTHERBOARD PLZ PLZ

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