Samsung B220 Insert SIM Card Problem Solution

This is the Samsung B220 Insert SIM card error problem solution. You may refer to the solution below for it shows the connection line paths or line tracks of the samsung B220 Sim card pin connection.

SAMSUNG B220 SIM Card Jumper Ways

Samsung B220 Insert SIM Card Problem Repair Solution:
1. Check the VSIM voltage 2.9V on PIN#1.
2. Trace the VSIM connection from the capacitor near the UCP300.
3. Check or replace all the capacitors.
4. Rework or replace the UCP300 IC.. end.

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Samsung B220 MIC Problem Repair Solution

This is the Samsung B220 Mic repair tracks, a solution that may help fix a not working microphone.
Just refer to the higlighted components on the B220 PCB board and do a check up or replacement procedures.

SAMSUNG B220 MIC Jumper Ways

Repair Hints on Samsung B220 MIC Problem Solution:
1. Check and try to replace a new microphone.
2. Check the 2.4V microphone reference voltage.
3. Trace the negative and positive microphone connection line paths.
4. Check and replace the filter coils, resistors and capacitors.
5. Rework or replace the UCP300 IC.

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