JVC KD-SHX705 Service Manual page 33

5.5 Signal processing section
Is the sound output from
both channels (L, R)?
YES
Normal
NO
No sound from either
channel.
YES
Is 9V present at IC165
/IC265 pin 16?
YES
Is 5V present at IC365
pina 2, 3, 9 and 10?
YES
Is 7V present at IC951
pina 1, 5, 7, 9, 17, 19
21 and 23?
YES
Check the speaker
connector and its
connection.
Compare the L-ch and
NO
R-ch to locate the
defective point.
NO
Is 9V present at IC901
pin 10?
YES
Check the connection
between IC901 pin10
and IC165/IC265 pin
16.
NO
Check the vicinity of
IC365.
NO
Check the power amp.
IC951.
NO
Check IC901 and its
peripheral circuits.
(No.MA048)1-33