Pioneer CT-1040W Service Manual page 25

CT-1090 W
7. Recording Level Adjustment
Tape selector Input signal/test tape Adjustment location Measuring location Adjustment value
Apply a 315 Hz
—10 dBv (315 mV) Recording level. control TP1 (L) -5.2 dBv
signal to the record- 9 TP2 (R) (550 mV)
ing terminals.
Record the 315 Hz Repeat the recording the play-
: : d adi
signal onto the STD VR303 (L) TP1 {(L) back processes, and adjust
REC/PLAY | 608A test tape, and accordingly until a playback
then play the signal MEIN) Te 2 ARS level of -5.2 dBv (550 mV) is
back. obtained.
Record the 315 Hz
signal onto the STD-
k
REC/PLAY | 603 test tape, and TP1 (L) Check that the 315 Hz playbac'!
back,
Record the 315 Hz
signal onto the STD-
REC/PLAY | 604 test tape, and TP2 (R) level is — 5.2 dBv + 1.5 dB.
then play the signal
back.
TP1 (L) Check that the 315 Hz playback
Erase head Recording/playback head
Head azimuth adjustment screw
Philips head screwdriver (small)
Fig. 10-3 Head azimuth adjustment
The CT-1040W features an auto tape selector mechanism.
Test tape STD-331B
[tavesiesor [norm
@ The actual value measured at 63Hz in the right channel needs
to be compensated by -1dB due to "edge effect''.
Fig. 10-4 Playback frequency response
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