Apple MLB 820-00189, Logic Board / Motherboard BoardView file, Silkscreen and Schematic diagram

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Click on picture to enlarge	iPhone 7 - MN9E2LL/A* - iPhone9,3 - A1778 - 3091* (Intel Modem) What's included : — Schematic Diagram — BoardView file and BoardView Software — Silkscreen — SCHEMATIC DIAGRAM ANALYSIS (23 pages): ARC BOOT Compass EEPROM FCAM GPS Gyro I2C J4502 Display TOUCH LED STROBE MESA MIC NFC NORTH SPEAKER Phosphorus PROX.ALS RCAM SIM South Speaker Amplifier U1701 NAND U2101 Charger USB U4001 WIFI — Diode Value, etc...: A10 CPU vcc Foot position diagram A10 middle-lever vcc diode value diagram Diode value diagram diagram — Repair Cases: Does not display — Trableshooting ways 01. connect power short circuit maintenace 02. No Power maintenace 03. power on large current 04. power on stop at Fixed current 20mA-30mA 05. power on stop at Fixed current 40mA-50mA 06. power on stop at Fixed current 60mA-70mA 07. power on stop at Fixed current 80mA-120mA 09. no display maintenace 10. display vcc maintenace 11 dark screen maintenace 12 Screen Half Bright maintenace 13 front camera maintenace 14 back camera maintenace 15 WiFi cannot open 16 WiFi signal poor 17 Voice calling no recivermaintenace 18 Voice calling no microphone maintenace 20 handfree calling no sound maintenace 21 handfree calling no microphone maintenace 22 no record maintenace 23 no charging maintenace 24 no connect computer maintenace 25 no Baseband maintenace 26 unrecognize simcard maintenace 27 no IMEI code maintenace 28 no 2G receive maintenace 29 no 2G send maintenace 30 no 4G net maintenace 31 no Unicom 4G net maintenace 32 fingerprint cannot unlock maintenace 32 fingerprint cannot unlock maintenace2 33 no vibrator maintenace 34 no GPS data maintenace 33 no touch maintenace 36. troubleshooting ideas Main components: CPU : Apple A10 Fusion Screen: 4.7" Retina HD Year: 2016 File types : Schematic Diagram: PDF BoardView file : PCB Silkscreen: PDF

Click on picture to enlarge

iPhone 7 - MN9E2LL/A* - iPhone9,3 - A1778 - 3091* (Intel Modem)

What's included :

— Schematic Diagram
— BoardView file and BoardView Software
— Silkscreen
— SCHEMATIC DIAGRAM ANALYSIS (23 pages):

ARC
BOOT
Compass
EEPROM
FCAM
GPS
Gyro
I2C
J4502 Display TOUCH
LED STROBE
MESA
MIC
NFC
NORTH SPEAKER
Phosphorus
PROX.ALS
RCAM
SIM
South Speaker Amplifier
U1701 NAND
U2101 Charger
USB U4001
WIFI

— Diode Value, etc...:

A10 CPU vcc Foot position diagram
A10 middle-lever vcc diode value diagram
Diode value diagram diagram

— Repair Cases:

Does not display

— Trableshooting ways

01. connect power short circuit maintenace
02. No Power maintenace
03. power on large current
04. power on stop at Fixed current 20mA-30mA
05. power on stop at Fixed current 40mA-50mA
06. power on stop at Fixed current 60mA-70mA
07. power on stop at Fixed current 80mA-120mA
09. no display maintenace
10. display vcc maintenace
11 dark screen maintenace
12 Screen Half Bright maintenace
13 front camera maintenace
14 back camera maintenace
15 WiFi cannot open
16 WiFi signal poor
17 Voice calling no recivermaintenace
18 Voice calling no microphone maintenace
20 handfree calling no sound maintenace
21 handfree calling no microphone maintenace
22 no record maintenace
23 no charging maintenace
24 no connect computer maintenace
25 no Baseband maintenace
26 unrecognize simcard maintenace
27 no IMEI code maintenace
28 no 2G receive maintenace
29 no 2G send maintenace
30 no 4G net maintenace
31 no Unicom 4G net maintenace
32 fingerprint cannot unlock maintenace
32 fingerprint cannot unlock maintenace2
33 no vibrator maintenace
34 no GPS data maintenace
33 no touch maintenace
36. troubleshooting ideas

Main components:

CPU : Apple A10 Fusion
Screen: 4.7" Retina HD
Year: 2016

File types :

Schematic Diagram: PDF
BoardView file : PCB
Silkscreen: PDF

Updated: 02-12-2025

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