Apple MLB 820-00871, Logic Board / Motherboard BoardView file and Schematic diagram

Click on picture to enlarge	Price: US $20.00 iPhone 8 - MQ742LL/A* - iPhone10,1 - A1863* - 3159* (Qualcomm Modem) iPhone 8 - MQ7A2J/A* - iPhone10,1 - A1906* - 3171* (Qualcomm Modem) iPhone 8 - N/A* - iPhone10,1 - A1907* - N/A* (Qualcomm Modem) What's included : — Schematic Diagram — BoardView file and BoardView Software — Сonnector (value of resistance) — Socket Diode value — Component explain — SCHEMATIC DIAGRAM ANALYSIS (34 pages) ARC BOOT Charger Compass Display FCAM Gyro I2C LED STROBE MESA MIC NAND NORTH SPEAKER Phosphorus PROXALS RFFE SIM South Speaker Amplifier Tele Camera TOUCH USB Wide Camera WiFi — Repair Cases (As-Is!): Baseband VCC power supply broken cuase read sim card failed. Baseband vcc Powersupply broke cuase Active failed and no service. BAT Detect pin convert transistor broken cuase no battery. Battery detect pin broken cause restart. camera VCC chip borken cause no shoot. cannot connect to computer for repair. charging chip borken cause battery abnormal consumption. charging chip borken cuase no charging. code IC chip borken cause no sound and no ARC. consumes fast power (damaged tail plug). cpu VCC inductor empty welding cuase little current when boot. does not take pictures before and after. dropped, VCC+3v for NAND short cause no power on. failure maintenance. littel current(abnormal) move main chip to other mainboard. main camera signal wire break cuase no shoot. Main vcc capacitor C2859 broken cuase no power on. NAND vcc filter capacitor broken cause no power on. No Signal. no vibrator mantance case. non touch fault maintenance. RF antenna broken Cause no service. RF broken cause no baseband. RF broken cause, IMEI normal but no service. signal poorz no service or repair. touch signal wire break cause touch function failed. USB Chip boroken cuase no power on. CODEC chip broken cause stop at logo when boot. Main VCC capacitor broken cause NO power and high current. No sound from the receiver. No service (common fault). Power supply of iPhone 8 hard disk causes no power on. fell down and couldn't wake up. Main components: CPU : Apple A11 Bionic Screen: 4.7" Retina HD Year: 2017 File types : Schematic Diagram: PDF BoardView file : PCB Silkscreen: N/A

Click on picture to enlarge

Price: US $20.00

iPhone 8 - MQ742LL/A* - iPhone10,1 - A1863* - 3159* (Qualcomm Modem)
iPhone 8 - MQ7A2J/A* - iPhone10,1 - A1906* - 3171* (Qualcomm Modem)
iPhone 8 - N/A* - iPhone10,1 - A1907* - N/A* (Qualcomm Modem)

What's included :

— Schematic Diagram
— BoardView file and BoardView Software
— Сonnector (value of resistance)
— Socket Diode value
— Component explain
— SCHEMATIC DIAGRAM ANALYSIS (34 pages)

ARC
BOOT
Charger
Compass
Display
FCAM
Gyro
I2C
LED STROBE
MESA
MIC
NAND
NORTH SPEAKER
Phosphorus PROXALS
RFFE
SIM
South Speaker Amplifier
Tele Camera
TOUCH
USB
Wide Camera
WiFi

— Repair Cases (As-Is!):

Baseband VCC power supply broken cuase read sim card failed.
Baseband vcc Powersupply broke cuase Active failed and no service.
BAT Detect pin convert transistor broken cuase no battery.
Battery detect pin broken cause restart.
camera VCC chip borken cause no shoot.
cannot connect to computer for repair.
charging chip borken cause battery abnormal consumption.
charging chip borken cuase no charging.
code IC chip borken cause no sound and no ARC.
consumes fast power (damaged tail plug).
cpu VCC inductor empty welding cuase little current when boot.
does not take pictures before and after.
dropped, VCC+3v for NAND short cause no power on.
failure maintenance. littel current(abnormal) move main chip to other mainboard.
main camera signal wire break cuase no shoot.
Main vcc capacitor C2859 broken cuase no power on.
NAND vcc filter capacitor broken cause no power on.
No Signal.
no vibrator mantance case.
non touch fault maintenance.
RF antenna broken Cause no service.
RF broken cause no baseband.
RF broken cause, IMEI normal but no service.
signal poorz no service or repair.
touch signal wire break cause touch function failed.
USB Chip boroken cuase no power on.
CODEC chip broken cause stop at logo when boot.
Main VCC capacitor broken cause NO power and high current.
No sound from the receiver.
No service (common fault).
Power supply of iPhone 8 hard disk causes no power on.
fell down and couldn't wake up.

Main components:

CPU : Apple A11 Bionic
Screen: 4.7" Retina HD
Year: 2017

File types :

Schematic Diagram: PDF
BoardView file : PCB
Silkscreen: N/A

Updated: 02-12-2025

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