Sony RDR-VX511 Service Manual page 112

QQ
3 7 6 3 1 5 1 5 0
No Analog Audio Output
Voltage of L802 is 9V
(jack PCB)
Yes
Check the pin #13, #20
IC501(Jack PCB) is LOW
Yes
Is trere a Output on C837,
C836(Jack PCB)?
Yes
Check the passive components
ardund jack pin
T E
L 1 3 9 4 2 2 9 6 5 1 3
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No
Power block Replace Jack board
No
Check IC501 #3pin Sdata
No No
Is trere a signel on
Replace main board
C191, C196?
Yes
Check the board to board connector
between jack PCB and main PCB
x a o u 1 6 3
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8 9
No digital audio out
Checking
Check the digital audio
setting
Skip setting check (hardware problem)
No
Proper vcc of DOL3 (jack PCB)
Yes
No
Proper signal input on DOL4
Yes
Q Q
3 7 6 3 1 5 1
No
Proper signal on DOL1
Yes
Check optical and coaxial output terminal
and passive components aroud them
c o
.
2 4 2
9 8
Refer to user manual
Check Vcc Line
No
Proper signal on 10 pin of CN1
Replace digital main PCB
of Jack PCB
5 0 8 9 2 4 9 8 2
Replace DOL1
m
9 9
9 9