Sony RDR-GX315 Service Manual page 64

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No Analog Audio Output
Voltage of FB16 3.3V or FB17 5V
(jack PCB)
Yes
Check the pin #13, #20
IC501(Jack PCB) is LOW
Yes
Is trere a Output on AR15,
AR29(Jack PCB)?
Yes
Check the passive components
around jack pin
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L 13942296513
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No
Power block
No
Check IC501 #3pin Sdata
No
Is trere a signel on
C191, C196?
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8
Replace Jack board
No
Replace main board
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