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5. Adjustment of frequency characteristics of recording/playback
* As this procedure is for adjustment of the recording bias, be careful not to increase the distortion by under-
adjusting the bias.
Adjustment
Measuring
é
Apply a signal of 315 Hz
Bad
to the
input terminal
:
'P-L (Leh)
=
and set the function to
Input signal level
TP-R (Rch)
27.7 dBV
"CD"*.
eniderge ae orgies VR411 (Lch)
TP-L(Lch) _| Repeat the correction so that the playback level of
Hz and 10 kHz)
VR412 (Rch)
TP-R (Reh)
10. kHz remains 0 +0.5 dB in relation to 315 Hz.
¢ Checking Procedure for Deck Il
por
1. Action of ALC
Ngo
Remarks
to the CD input terminal
— — — |
TP-L (Lech)
:
+10 dB against
%
Sree RIOR
ine input level of TP-R (Reh)
~2.7 dBV +2.5 dB
LG
°
step
1 .
57
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