System Control System Adjustment; Battery End Adjustment (Sy-67 Board) - Sony MVC-CD200 Service Manual

1-6.

SYSTEM CONTROL SYSTEM ADJUSTMENT

1. Battery End Adjustment (SY-67 board)

Check the battery end voltage.
Mode Still (Auto (
Subject All black
(Cover the lens with a black cap)
Measurement Point Display data of page: 2, address: 9A
Measuring Instrument Adjustment remote commander
Adjustment Page D
Adjustment Address 90 to 94, B6, B7
Note1: Use the CPC-9 jig for connecting the adjustment remote
commander.
Switch setting:
FOCUS .................................................................. MANUAL
Connection:
1) Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-1-23.
Preparations:
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.
Digital voltmeter
Regulated power supply
Use thick cables.
Shorten as much as possible.
(Bellow 20cm)
Adjusting method:
))
Note2: Refer to "Table 5-2-1. Hexadecimal-decimal Conversion Table".
Battery holder
Fig. 5-1-23.
5-31
Order Page Address Data
1 0 01 01
2
2 2 9A
3 D 90 Dref Set the data, and press PAUSE button.
4
5
6
7 D 91 D
91
8 D 92 D
92
9 D 93 D
93
10 D 94 D
94
11 D B6 D
B6
12 D B7 D
B7
13 0 01 00
CPC-9 jig
PK-58
(J-6082-393-C)
board
CN302
18 pins
Adjustment remote
commander
Connecting point
Procedure
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.
Convert Dref to decimal notation,
and obtain Dref'. (Note2)
Calculate D ', D ', D ', D
91 92 93
D ', and D ' using following
B6 B7
equations. (decimal calculation)
D ' = Dref'+ 5
91
D ' = Dref'+ 23
92
D ' = Dref'+ 44
99
D ' = Dref'+ 55
94
D ' = Dref'+ 43
B6
D ' = Dref'+ 14
B7
Convert D ', D ', D ', D
91 92 93
D ', and D ' to hexadecimal
B6 B7
number, and obtain D , D , D
91 92
D , D , and D . (Note2)
94 B6 B7
Set the data, and press PAUSE button.
Set the data, and press PAUSE button.
Set the data, and press PAUSE button.
Set the data, and press PAUSE button.
Set the data, and press PAUSE button.
Set the data, and press PAUSE button.
Set the data.
1
18
LANC
jack
',
94
',
94
,
93