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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
10-16
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10-1-6. Receiver Part
Receiver does not work
R500 at Speaker S/ W(U500) =“High”
Pin 4, 8 at U500
(SPK_SEL)= “Low”
End
Yes
Yes
Yes
Yes
No
No
Resold R500
Replace U500 or U502
R510, R511
Check soldering at Codec(U502)
No
Resold R510, R511
Pin 8 =3.0V, Pin 7=1.8V
Pin 4=“H” at Audio power(U504)
No
Replace U504
Pin 4=19.2Mhz Pin 1=“High”
at AND gate U704
Replace U704
No
Yes
Yes
Receiver does not work
R500 at Speaker S/ W(U500) =“High”
Pin 4, 8 at U500
(SPK_SEL)= “Low”
End
Yes
Yes
Yes
Yes
No
No
Resold R500
Replace U500 or U502
R510, R511
Check soldering at Codec(U502)
No
Resold R510, R511
Pin 8 =3.0V, Pin 7=1.8V
Pin 4=“H” at Audio power(U504)
No
Replace U504
Pin 4=19.2Mhz Pin 1=“High”
at AND gate U704
Replace U704
No
Yes
Yes
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