Phone Diagram

SONY Ericsson J200 – Mobile phone layout Troubleshooting Diagrams

Antenna Plug
Bad contact result no signal or weak signal.
Vibrator Tips
If damaged result in no vibration.
RF IC (si4206)
If damaged result in no network, no TX, no RX.
13MHz Clock Crystal
If damaged or performance dropped, result in power-on failure or no network.
CPU
If damaged, result in power-on failure, no network, no display or keys disable.
Memory
If damaged or false welding phone does not switch on.
Speaker Tips
Bad contact result in no voice in speaker.
Battery Tips
Bad contact result in power-on fault.
RF Power Amplifier
If damaged result in no TX or transmitting, no network.
Power Supply IC
If damaged or unsoldered, result power-on fault, power-off automatically, no network.
32.768kHz Clock Crystal
if damaged, result in time display fault.
SIM Card Socket
If connector is damaged or contact with SIM Card is bad, result in SIM Card fault.
System Connector
If damaged result in failing to download Flash program.
LCD Connector
Bad contact result in no display.
Navigation Key
Keyboard LED
If damaged result in no background light.
Keypad
Bad contact result keypad failure.
MIC Tips
If damaged result failing to send voice.
Earpiece Tips
Bad contact result in voice in earpiece.
Backup Battery
If damaged or aged can result in power-on again, power-off, time changing.

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