System Control System Adjustments; Battery Down Adjustment - Sony DSC-S70 Service Manual

1-6.

SYSTEM CONTROL SYSTEM ADJUSTMENTS

1. Battery Down Adjustment

Set the battery end voltage.
If the voltage is incorrect, the life of battery will shorten.
The image at the battery end will also be rough.
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Connection:
1) Connect the regulated power supply and the digital voltmeter
to the battery terminal as shown in Fig. 5-1-26.
Note : The old CPC-9 jit (Parts code: J-6082-393-B)
cannot be used, because it cannot operate
the adjustment remote commander.
STILL
Arbitrary
Displayed data of page: 2,
address: 51
Adjusting remote commander
D
90 to 94
Adjustment remote
commander
18
1
CPC-9 jig
(J-6082-393-C)
DC power supply
(6.0 to 7.2 V DC)
Adjusting method:
1) Adjust the output voltage of the regulated power supply so
that the digital volt meter display is 7.2 ± 0.1 Vdc.
2) Turn off the power supply.
3) Turn the HOLD switch of the adjusting remote commander.
4) Turn on the power supply.
5) Insert the memory stick to the unit, and set the STILL mode.
6) Set the FOCUS switch in MANUAL mode.
7) Select page: 0, address: 01, and set data: 01.
8) Decrease the output voltage of the regulated power supply so
that the digital voltmeter display is 5.50 ± 0.01 Vdc.
9) Select page: 2, address: 51, read the data, and this data is named
Dref.
10) Select page: D, address: 90, set data Dref, and then press the
PAUSE button of adjusting remote commander.
11) Convert Dref to decimal notation, and obtain Dref'.
(Refer to Table 5-2-2. "Hexadecimal-decimal conversion
table")
12) Calculate D ', D
91
(decimal calculation), convert it to a hexadecimal number, and
input each adjustment address.
Address: 91
Address: 92
Address: 93
Address: 94
Note: After setting each data, be sure to press the PAUSE but-
ton.
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.
Regulated power supply
(5.50 ± 0.1 V DC)
2
1
CN101
1
18
MS-54
board
SY-58 board
(CN709)
Fig. 5-1-26
5-31
Ver. 1.1 2000. 09
', D ' and D ' using following equations
92 93 94
D ' = Dref'+8
91
D ' = Dref'+23
92
D ' = Dref'+44
93
D ' = Dref'+55
94
Digital
voltmeter