Speaker Part - Samsung SGH-J600 Service Manual

Flow Chart of Troubleshooting

3-1-6. Speaker Part

Speaker does not work
Is the terminal of
Speaker OK?
YES
Check the
SP K_P& SP K_ N
"HIGH"
YES
Check the output ci r cuit
of U400(Audio AMP)
YES
Check the input circuit of
U400(Audio AMP)
YES
Is speaker OK?
YES
END
NO
NO
NO
NO
NO
3-15
check the specker FPCB
①
Resolder
SPK_P & SPK_N
②
Change or resolder
around U400
③
Change or resolder
around U400
Change speaker