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3.
Battery Down Check
[Mode =i Came econd
[Subjet
——=abiay
SY
Connection
1). Connect
the regulated
power
supply
and the digital
voltmeter as shown in Fig. 9-5.
Checking method:
Remove
the adjusting remote control unit, and perform the
following check. If the check is not satisfied, perform from the
beginning again.
1)
Adjust the output voltage of the regulated power supply so
that the digital voltmeter display becomes 6.3 + 0.1 Vde.
2)
Set to the camera recording mode.
3)
Decrease the output voltage of the regulated power supply
so that the digital voltmeter display becomes 5.65 + 0.01
Vde.
4)
Check that the 4) mark on the EVF (viewfinder) display is
not lighted up. (TALLY lamp lights up).
5)
Decrease the the output voltage of the regulated power
supply so that the digital voltmeter display becomes 5.53 +
0.01 Vde.
6)
Check that the {J mark and the TALLY lamp on the EVF
display on the EVF display blinks every second.
7)
Decrease the the output voltage of the regulated power
supply so that the digital voltmeter display becomes 5.47 +
0.01 Vdc.
8)
Check that the 4) mark and the TALLY !amp on the EVF
display are blinking faster, the VIR stops and the power
supply turns off.
9-4. SERVO SYSTEM ADJUSTMENTS
1.
Switching Position Adjustment (VS-93 board)
Alignment tape:
For tracking adjustment (WR5-1NP
:
CHI: Pin © of CN002 (RF SWP)
CH2: Pin @ of CNO02 (PB RF CH2)
Adustneat?age
[DS
04 (SW POSITION)
05 (SW POSITION)
Specified Value
t1=0 + 10 psec
Adjustment Address
Adjusting method:
1)
Release the protect.
Page: 1, address: 00, data: 01
2)
Set data: 80 to page: D, address: OS.
3)
Change the data of page: D, address: 05 and minimize "t1".
(Coarse adjustment)
4)
Press the PAUSE button of the remote control unit.
5)
Change the data of page: D, address: 04, and adjust so that
the switching position (t1) becomes the specified value.
(Fine adjustment)
6)
Press the PAUSE button of the adjusting remote control
unit.
Magnification
CH1
+
CH2
Fig. 9-5.
— 242 —
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