Sony BVH-2000, Руководство по эксплуатации и обслуживанию

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12-9. AUDIO ERASE CURRENT ADJUSTMENT
Connection; section
of Switches
&
Controls:
REC INHIBIT Sw: OFF
Input Signal (AUDIO LINE IN)~
Don't care.
1.
RV2, RV4
Step 2. Adjustment BE-02 Board
Place machine in record mode and adjust as follows.
clearance of
frI
or
CV3(AUD-3) is wider than 3
mrn,
change the value ofCl(AUD-
1),
C2(AUD-2) or C3(AUD-3) to 150pF/500V and repeat from
the beginning of step 2.
If the peak level is not obtained even if the clearance of
(I CVl(AUD-l), CV2(AUD-2) or CV3(AUD-3) is zero, change
value of C I(AUD-l), C2(AUD-2) or C3(AUD-3) to
from
Sony
1-109-677-00
1-109-689-00 CAP, MICA 500V
CAP, MICA 470pF 500V
5%
A CV1,2,3
-+--~~~
3. Adjustment BE-02 Board
With machine still in record mode, adjust as follows.
AUDIO-I: TP7-TPE3
=
230
±
10 Vp-p ~ RV2
AUDIO-2: TP8- TPE3
=
230
±
10 Vp-p
Q
RV3
AUDIO-3: TP9-TPE3
=
230
±
10 Vp-p
0
RV4
BVH-2000(U/C)/PS/PM, BVH-2180(U/C)/PS/PM
BVH-2500(U/C)/P
TP7-TPE3/BE-02
=
less 10 Vp-p
~-L Vl/BE-02
Still in playback mode, place machine in AUDIO-l INSERT
mode and check as follows.
TP8-TPE3/BE-02
=
less than 10 Vp-p
If
tune
0
4.
the TP7 TP8
RVI0/BE-02
meet
repeat from tune
beginning of step 4.
After completion, return to step 3 and if " RV2 and/or
&
RV3
is readjusted, proceed to the step 4, then confirm from steps 3
and 4.
2 ..10. Head)
ADJUSTMENT
URRE
Connection: See section 8-4 connection 5.
Equipment: Oscilloscope
Mode of VTR: REC (Don't use alignment tape.)
Setting of Switches
&
Controls:
REC INHIBIT Sw: OFF
Adjustment Board
TP6-TPE4
=
Maximum
~LV3
. TP6-TPE4
=
150
±
10 Vp-p
~RV6
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