CCD-TR913E, CCD-TR950E - Sony Movie Service Manual (repair manual). Page 113

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5-33
3-2. SYSTEM CONTROL SYSTEM ADJUSTMENT
1. Initialization of D, E, F Page Data
If the D, E, F page data is erased due to some reason, perform “1-2.
INITIALIZATION OF D, E, F PAGE DATA”, of “5-1. CAMERA
SECTION ADJUSTMENT”
2. Battery End Adjustment (VC-214 board)
Set the battery end voltage.
If the voltage is incorrect, the life of the battery will shorten.
The image at the battery end will also be rough.
Mode
Camera recording
Subject
Arbitrary
Measurement Point
LCD display of the adjustment remote
commander
Measuring Instrument
Adjustment Page
D
Adjustment Address
30 to 34
Note 1:
The lens block and cabinet (R) must be connected.
Switch setting
1)
AUTO FOCUS ................................................................. OFF
2)
LCD screen .................................................................. Closed
3)
NIGHT SHOT .................................................................. OFF
4)
VIDEO LIGHT ................................................................ OFF
Connection:
1)
Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-3-4.
Adjusting method:
1)
Adjust the output voltage of the regulated power supply so that
the digital voltmeter display is 6.1 ± 0.1Vdc.
2)
Turn off the power supply.
3)
Turn on the HOLD switch of the adjustment remote
commander.
4)
Turn on the power supply.
5)
Load a cassette, and set to the camera recording mode.
6)
Select page: 0, address: 01, and set data: 01.
7)
Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 5.30 ± 0.01Vdc.
8)
Select page: 2, address: 5D, read the data, and this data is named
Dref.
9)
Select page: D, address: 30, set data: Dref, and press the PAUSE
button of the adjustment remote commander.
10) Convert Dref to decimal notation, and obtain Dref’. (Refer to
Table 5-4-1. “Hexadecimal-decimal conversion table” of “5-4.
Service Mode”.)
11) Calculate D
31
', D
32
', D
33
' and D
34
' using following equations
(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.
Address: 31
D
31
' = Dref’ + 5
Address: 32
D
32
' = Dref’ + 32
Address: 33
D
33
' = Dref’ + 53
Address: 34
D
34
' = Dref’ + 64
Note 2:
 After setting each data, be sure to press the PAUSE button.
12) Select page: 0, address: 01, and set data: 00.
+
+
+
Regulated power supply
Digital voltmeter
5.3 
±
 0.01 Vdc
Fig. 5-3-4.
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