Speaker Part; Receiver Part - Samsung SGH-E570 Service Manual

Flow Chart of Troubleshooting

3-1-5. Receiver Part

There is no sound from the Receiver
Is the terminal of Receiver O.K?
IS there any signals at the
Pin #P11,#N12 of UCP201?

3-1-6. Speaker Part

There is no sound from the Speaker
IS there any signals at the
Pin #P14#P15 of UCD301?
IS there any signals at the
IS there any signals at the
Pin #4, #16 of U301?
YES
YES
YES
END
Is the terminal
of Speaker O.K?
YES
YES
L301 , L302?
YES
YES
END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
NO
Replace the Receiver(same
Speaker)
NO
Check UPC201,
R312,R313
NO
Replace the Speaker
NO
NO
NO
3-12
Check UCD 301
Check U302
Check U301