Sony BVH-2000, Operation And Maintenance Manual

Page: 457 / 505

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12-7. SYNC ERASE (VIS Head) CURRENT
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Connection: See section 8-4 connection 5.
Mode of VTR~ REC use tape.)
Setting of Switches & Controls:
REC INHIBIT Sw: OFF
Input Signal (AUDIO LINE IN)~
Don't care.
Step 1.
Set
RV5/BE-02 as follows.
RV5
~
Step 2.
Place machine
in record mode.
TP1-TPEl/BE-02
=
Maximum
LV7/BE-02
CV5/BE-02
If the clearance HA" of
frI
CV5/BE-02 is wider than 3
mrn,
change the value of C5/BE-02 to 470pF/500V and repeat from
the beginning
of step 2.
If the peak level is not obtained even if the clearance of
f'1
CV5/BE-02 is zero, change the value of C5/BE-02 to
750pF/500V and repeat from the beginning of step 2.
500V 5%
500V 5%
Part No.
1-109-573-00
1-109-578-00
3.
TPI-TPEI/BE-02
=
240
±
10
RV5/BE-02
12-8. VIDEO (VIS Head)/CTL ERASE
FR ENCY CURRE
ENT
Connection; See section 8-4 connection 5.
Equipment; Frequency Counter
Oscilloscope
Mode of VTR~ REC (Don't use alignment tape.)
Setting of Switches & Controls:
REC INHIBIT Sw: OFF
Input Signal (AUDIO LINE IN)~
Don't care.
Place machine in record mode and check the
frequency.
TP2-TPE2/BE-02
=
118
±
5 kHz
(Freq. Counter)
If not, change the value of C6 as follows.
Frequency is low.: Change to 2000pF or 2200pF /500V.
Frequency is higb.Change to 2700pF or 3000pF/500V.
Part rntormanon
Part No.
CAP, 2000pF 500V 5%
1-109-588-00
CAP, MICA 2200pF 500V 5% 1-109-589-00
CAP, MICA 2700pF 500V 50/0 1-109-591-00
CAP, MICA
3000pF 500V 5% 1-109-592-00
Step 2.
With machine still in record mode, adjust as follows.
TP2-TPE2/BE-02
=
450
±
10 mV
RVI/BE-02
12-8
BVH-2000(U/C)/PS/PM, BVH-2180(U/C)/PS/PM
BVH-2500(U/C)/P