itel A100C Charging Strip Sub Board Ways & Solution Diagram | Charging Fix 100%

itel A100C charging strip or sub board ways and solution diagram full guide. In this video, you will learn how to fix charging strip faults, sub board problems, USB connector damage, and not charging issues step by step.

We explain charging strip lines, sub board connector paths, VBUS line, ground line, and voltage testing using a multimeter. This guide is perfect for mobile technicians and beginners for professional hardware repair.

🔧 Topics Covered:

itel a100c charging strip fix
sub board repair
usb charging solution
charging ways diagram
vbus line checking
board level troubleshooting
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🛠️ 30 Step-by-Step Instructions
power off phone
remove back cover
disconnect battery
remove sub board
inspect charging strip
clean usb connector
check connector pins
inspect sub board lines
trace vbus line
trace ground line
test continuity
check charging connector
measure input voltage
inspect resistors
inspect capacitors
check short circuit
inspect charging path
repair broken tracks
replace charging port
reconnect sub board
reconnect battery
power on phone
connect charger
check charging sign
monitor charging stability
assemble partially
full assembly
final testing
verify charging works
confirm problem solved
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