Battery End Adjustment - Sony DSR-PD170 Service Manual

DSR-PD170/PD170P/PD190P

3. Battery End Adjustment

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
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Switch setting
1) AUTO FOCUS ................................................................. OFF
Connection:
1) Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 6-3-4.
Preparations before adjustments:
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.
Adjusting method:
Order Page Address Data
1 0 01
2
3 2 5D
4 D 48 Dref Set the data, and press PAUSE
5
6
7
8 D 49 D
9 D 4A D
10 D 4B D
11 D 4C D
12 0 01
Note1: Refer to Table 6-4-1. "Hexadecimal-decimal conversion table" of
"6-4.Service mode".
Camera recording
Arbitrary
Display data of page: 2, address: 5D
Adjustment remote commander
D
48 to 4C
Procedure
01 Set the data.
Decrease the output voltage of
the regulated power supply so
that the digital voltmeter display
is 5.50 ± 0.01Vdc.
Read the data, and this data is
named Dref.
button.
Convert Dref to decimal
notation, and obtain Dref'.
(Note1)
Calculate D ', D ', D
49 4A 4B
D ' using following equations.
4C
(decimal calculation)
D ' =Dref' + 7
49
D ' =Dref' + 25
4A
D ' =Dref' + 29
4B
D ' =Dref' + 37
4C
Convert D ', D ', D ' and D
49 4A 4B
to decimal notation, and obtain
D , D , D and D . (Note1)
49 4A 4B 4C
Set the data, and press PAUSE
49
button.
Set the data, and press PAUSE
4A
button.
Set the data, and press PAUSE
4B
button.
Set the data, and press PAUSE
4C
button.
00 Set the data.
Regulated power supply
5.5 ± 0.01 Vdc
Digital volt meter
' and
'
4C
6-64
+
+
+
Fig. 6-3-4.