Minolta 9000 Service Manual page 8

(2) Block description
@ Flexible PC board-A block
Composed of IC13.4. Controls metering, indication, exposure and then calculates the data, following
program. Also controls timing of each IC operation.
@ Flexible PC board-8 block
'© Composed of ICz.47.43. Activates ambient-/flash-light metering, and also detects defocus amount to
operate AF.
'© Supplies power to AF motor.
@ Flexible PC board-D block
ts data on film-speed of DX-coded film to flexible PC board-A.
'@Has signal contacts to Program Back 'including Super. Control Grip. Motor Drive,
@ Winding block
© By film advance lever, advances and winds film. And charges shutter, aperture. mirror.
® Rewinding block
'© Composed of rewinding fork, rewinding gears. Rewinds film.
© With MD-90 used, automatic rewind, being interlocked with rewinding coupler.
© Lens contro! block
Composed of AF motor, AF coupler. AF encoder, AF-drive gears.
@AF encoder monitors AF motor rotation 'interlocked with lens shifting amount) and shifts lens
interlocking with AF coupler.
'D Mirror control block
Composed of SL; , mirrorup/doven lever.
Controls mirror 'turns up/down).
D Aperture control block
Composed of SL; .SLz . aperture encoder, aperture:ring interlocking gears.
During stop-down operation, aperture encoder monitors rotation amount of aperture ring, and completes
stop-down with SL separation.
'D Preview block
Separates SL, to control aperture when preview operation.
Tran
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