Nokia C1 TA-1165 Sub Board Diagram | Charging, Audio & Network Hardware Solution Step by Step Guide
This video provides the complete sub board diagram of Nokia C1 TA-1165, helping repair charging, audio, and network problems.
Covers sub board pinouts, test points, jumper lines, and step-by-step hardware guidance.
Perfect for mobile repair technicians and beginners.
Full 30-step repair guide included.
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Nokia C1 TA-1165 Sub Board Diagram
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Nokia C1 TA-1165 Sub Board Hardware Diagram
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Nokia C1 TA-1165 Audio IC Repair Guide
Nokia C1 TA-1165 Full Sub Board Solution
✅ 30 Step-by-Step Repair Guide
Power off the phone.
Remove SIM tray.
Open back cover carefully.
Unscrew motherboard screws.
Separate main board from sub board.
Inspect sub board connectors.
Check charging USB port.
Test voltage on charging IC.
Inspect mic flex connection.
Test ear speaker lines.
Check network IC pins.
Clean connectors with IPA.
Inspect PCB for corrosion.
Test continuity on sub board tracks.
Apply jumper on broken charging line if needed.
Apply jumper on broken audio lines.
Test network IC voltage output.
Replace faulty connectors if necessary.
Reflow IC solder joints if needed.
Check battery connector pins.
Reassemble sub board to main board.
Test charging functionality.
Test mic and speaker audio.
Test network signal reception.
Inspect for short circuits on sub board.
Ensure all voltages are stable.
Reassemble the phone.
Test full functionality.
Confirm charging, audio, and network working.
Deliver fully repaired device.
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