Minolta 9000 Service Manual page 100

29
i Manual shutter speed, X delay time checking
Measuring instruments : SS adapter for EE tester (MODEL S-2201, S-2101)
2 Adjusting back cover (2071-1101-75)
Checking proceduer
1, Install adjusting back cover, release shutter until frame counter shows "1"
Fig. |
Hyatt
wil \a Mean ewe
S ie)
2. Shutter speed checking -
When using Model S-2101, see value in parenthesis
Exposure unevenness
'% | The difference between maximum
— speed Reference | stiowable range (ms)| Dispersion (B-ranges)
174000 | 0.284 Within 043Ey "
172000 0.988 Within 0356v 2% |
171000
17250 Within 026 "96
dt
and minimum values among A. B,C}
ranges should be less than 0.6Ev.
The difference between A~B, B~C
ranges should be less than 0.3Ev.
41 If shutter speed (B range) at 1/4000 sec. is out of allowable range, adjust it following procedure
below:
1) Remove top cover.
2) Remove Ce.
3) Measure shutter speed 5 times, and calculate the mean.
4) Select a proper Ca from table below according to calculation, and install it on flexible PC
board-A set.
5) Install top cover. and check shutter speed (1/4000 sec.)
'Shutter speed ims) | _Condenser
(agscocave, | 9565-6815-64 BF. 2
(ogagzoash | 9565-4715-64] A
O38soass | 9565-3315-64
92-0208) | 9565-3315~64
ARZObL, | 9565-4715~64 |B
0.186—-0.197
witzeno.t77) | 9565~6815-64
3. X delay time checking
'Shutter speed | Tolerance (ms)
setting
A range 0.15 \miny
1/250
B ange Lt (nim