JVC XP-A1000BK - Troubleshooting

XP-A1000BK |
Troubleshooting
If
no
signal
is
output,
first
perform
the
following
opera-
tions (1) to (3):
(1)
Input
a
1
kHz
and
—
3
dB
sine
wave
to
analog
LINE
IN.
No signal is output.
Is digital data output
from J103 pin @ ?
NO
YES
Is
digital
data
output
NO
from P603 pin (@ ?
YES
ts
digital
data
output
from
NO
pins @ and @® of P103 ?
YES
See D/A Circuit procedure.
1-40 (No. 20062)
(2)
Turn
the
DIGITAL
DIRECT
MODE,
TAPE
MONITOR,
and
DAP
RECORDING
off.
(3)
Set
the
MASTER
VOLUME
to
maximum.
See
A/D
Circuit
procedure.
See Digital 1/O Circuit
procedure.
See DSP Circuit procedure.