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General| Brand | Samsung |
|---|---|
| Model | SGH-E770 |
| Category | Cell Phone |
| Language | English |
Troubleshooting flow for baseband issues, starting with power-on and checking voltages and clock signals.
Flowchart for diagnosing initial operation failures, checking voltages at C311, C315, VR200, and clock signals.
Troubleshooting steps for SIM card detection issues, checking voltage at ZD307 and signal presence.
Procedure to diagnose microphone failures, checking assembly, bias voltage at TA434, and microphone integrity.
Flowchart for diagnosing no sound from speaker, checking speaker terminal, signals at HDC503 and U408.
Troubleshooting steps for camera function failures, checking connections, voltages, and clock signals at HDC503 and U302.
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