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CLOSED BY OPERTOR
S4 SWITCHES AC to BC
S4 SWITCHES AC to BC
CLOSES
CLOSES
S1
S4 BC
S4 BC
S4 AC
End "Y"
S5
S3
S3
S5
ST 2
S1 T - 0
S2 → Closed if flash array inserted
Solenoid #2 power up (S2 closed)
●
S9 opens when previous pack removed
●
S6 closed during the erecting mode
●
S8 closed until film cover ejected
●
Gears between front cover and gear train
mesh as cover closes (3
rd
& 4
th
idler)
●
S7 closes during front cover closure
resulting in dark slide ejection after a
new pack inserted
●
S8 opens (counter set to 10)
S4 BC
S4 BC
S4 AC
End "Y"
S5
S3
S3
S5
FT
FF
S4 SWITCHES BC to AC
S4 AC/BC open
OPENS
POWER RELEASED FROM SOLENOID #1
EXPOSURE COMMAND SIGNAL COMPLETE
Shutter starts to close
Cam moves from 20° position
Solenoid #1 power down
Shutter close
Electronic Latch off
Motor stops
(if S1 closed, Solenoid #1 remaing in power down)
Shutter opened (provided S1 is open)
Counter set to next position
Mirror carrier starts to drive counter
Shutter close
Shutter starts to open
Starts integration ambient
Motor starts
Fresnel starts down
Integration
20 to 35 ms
Shutter at full open (f/8 16)
Mirror continue to rise
Mirror at rest
Y delay activated
Solenoid #1 power up
Solenoid #1 power up
Shutter starts to close
Motor braked
Cam stopped at 20°
Electronic latch ON
(S1 may be opened)
Cam rotates
Mirror released
OPENS 26° 34°
AMBIENT
EXPOSURE / PROCESS
OPERATION SEQUENCE
FLASH
Solenoid #2 power down
Flash delay FD circuit actived
Switches power to falsh circuit (S2 closed)
Removes power from flash circuit
20° - pick starts
45° - spread starts
50° - pick stops and latches
130° - mirror starts to recock
260° - spread stops
325° - mirror is recocked, pick returns
345°
Solenoid #2 back onf (power off) triggers FF circuit
at the end of flash delay (FD); ST 2 shorted out; time
out interval FT initiated.
Note 1. No flash fire signal if:
a- S9 closed (empty pack)
b- new pack inserted with array already
inserted (S8 function)
Note 2.
A 25 to 34 exposure results if the array
does not fire
200 ms max.60 ms
12 ms max
51± 6.5ms
Flash delay
Y Delay
40 ± 5ms
20 to 35 ms
FLASH
25 to 34 ms