Pioneer DC-111Z Manuel d'entretien - Page 22
Parcourez en ligne ou téléchargez le pdf Manuel d'entretien pour {nom_de_la_catégorie} Pioneer DC-111Z. Pioneer DC-111Z 36 pages. Stereo cassette tape deck amplifier
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DC-1112/110zZ
¢ ADJUSTMEN
T
{with auto tape selector function)
Fig. 12-5)
pleting adjustment.
2. Playback Level Adjustment
* Adjust precisely since this adjustment sets the playback Dolby level.
Tape selector
Mode
"|
Input signal/test tape
Adjustment location
| Measuring location |
Adjustment value |
Remarks
3. Recording/Playback
Frequency Response Adjustment
Tape selector
r
Mode
|
Input signal/test tape
Adjustment location
| Measuring location
Adjustment value |
Remarks
panel).
*
Change
the test tape and the DOLBY
NR switch
position and check that the frequency response
zone
indicated
in Fig. 12-8, 9 is satisfied.
4. Recording Level Adjustment
Tape selector
Mode
Input signal/test tape
Adjustment location
| Measuring location
Adjustment value
Remarks
NORM
REC
Apply a 315Hz signal
Input signal level to
TP1 (L)
—7.7dBv
Set the INPUT
to the CD/VIDEO
termi-
be applied to the
TP2 (R)
(412mv)
level control to
nals. Set the CD/VIDEO
1
switch to ON.
REC/PLAY | Record the 315Hz signal
onto the STO-608A test
tape, and then paly the
signal back.
Record the 315Hz signal
onto the STD-610 test
tape, and then play the
signal back.
REC/PLAY
CD/VIDEO
terminals.
VR501 (L)
VR502 (R)
Test tape
TP1 (L}
TP2 (R)
TP1 (L)
TP2 (R)
the maximum
position (rear
panel).
Repeat the recording the playback
processes, and adjust accordingly until
a playback level of —7.7dBv (412mV)
is obtained.
Check that the 315Hz playback level
is —7.7dBv + 1.5dB.
STD-331B
DOLBY
NR
switch
position
OFF
315 500
4k
6.3k
10k
Fig. 12-6 Playback frequency response
Head
azimuth
adjustment
Fig.
34