Playback
Level
adjustment
Procedure:
1. Mode: playback
test
tape
P-4-
L300
(315Hz.
0 dB)
VTVM
Adjust RV103 (L-CH) and RV203 (R-CH) so that
the specification is met.
Specification:
LINE OUT level:
0.41 to 0.46 V
(-5.5 to
-4.5
dB)
Level difference between channels:
less than 0.5
dB
Check that the LINE OUT level does not change
in playback mode while changing the mode from
playback to stop several times.
Adjustment Location: audio board
8
cl
8
RV103
IL-CH)
fQ
+
R V203
IR-CH)
Record
Bias Adjustment
Setting:
REC LEVEL control: standard record
(See page 7.)
Procedure:
1. Mode: record
AF OSC
1)
3’5Hz
0.25 V
(-1OdB)
21 10kHz
1
2. Mode: playback
recorded
Confirm that the
1OkHz
playback output is
O±O.5
dB
relative to the 315 Hz output. If necessary,
adjust
CT301-1
(L-CH),
CT301-2
(R-CH) and
repeat the steps given above.
Adjustment Location: audio board
/
\
0
+
ID
+
L
I
\
CT301-1
CT301-2
(L-CH)
(R-CH)
4
-9-
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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