Sony Handycam Vision CCD-TRV300E, Service Manual

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5-41
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-195 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 adjusting remote
Measuring Instrument commander
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
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 adjusting 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: 3, address: 5D, read the data, and this data is named
Dref.
9) Select page: D, address: 30, set data: Dref, and then press the
PAUSE button of the adjusting remote commander.
10) Convert Dref to decimal notation, and obtain Dref '. (Refer to
Table 5-1-2. “Hexadecimal-decimal conversion table”)
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 3:
After setting each data, be sure to press the PAUSE button.
12) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-4.