SAMSUNG SGH-X610
Instrukcja Serwisowa

SGH-X610 Flow Chart of Troubleshooting

2-1-3. Sim Part

Phone can't access SIM card Yes Check the pin K12 of U101. voltage 3V ? Yes Check the SIM connector's (CN802) connection to SIM card Yes No Check the circuit related to U101

No

Resolder or change CN802

Check the circuit around CN601,803 input circuitry Yes

Check the Connector To connector FPCB(GH59-01482A)

Check the circuit around U201 output and vlotage supply circuitry

M

o

b

i

lc
No No No

h

Resolder or change GH59-01482A

ip
CN802

s

Check the related circuit of

END

Yes

Yes

Check the related circuit of U201 and U101

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