Minolta 7000 - Page 7

(2) Block description
@ Flexible PC board-A block
Composed
of
IC;
2,
3,and
4.
Controls
metering,
indication,
exposure
and
then
calculates
the
data,
following program. Also controls timing of each IC operation.
@ Flexible, PC board-B block
®
Composed
of
ICs,
7,
»
and
9.
Detects
in-focus
position
and
calculates
defocus
amount
to
operate
AF.
Supplies power to M, {camera drive motor),M: (AF drive motor).
@ Flexible PC board-D biock
® Composed of IC,. Decodes film speed on DX-eoded film.
@Has contacts to PROGRAM BACK, CONTROL GRIP, REMOTE CORD.
@) Winding block (interlocked with M, forward rotation)
Composed
of
clutch
interlocking
with
M,
rotation,
clutch
interlocking
with
rewinding
gears,
and
winding/rewinding gears. Transports and takes up film, charges shutter.
() Rewinding block (interlocked with M, forward rotation)
Composed of rewinding fork, rewinding gears.
Rewinds film, being interlocked with M, rotation.
@ bens centro! bleck
Composed of Mz, AF coupler, AF encoder, AF drive gears.
AF
encoder
monitors
Mz;
rotation
(interlocked
with
lens
shifting
amount)
and
shifts
lens
interlocking
with AF coupler.
@) Mirror control block (interlocked with M, reverse rotation)
Composed of mirror-up lever mainly.
Controls mirror (turns up/down).
Aperture control block (interlocked with M, reverse rotation)
Composed of SL3, aperture encoder, aperture-ring gears.
During
stop-down
operation,
aperture
encoder
monitors
rotation
amount
of
aperture
ring,
and
completes
stop-down with SL separation.
( Clutch
Transmits
M,
rotation
to
mirror
box
(mirror
control
block,
aperture
control
block),
during
M;
reverse
rotation.