Minolta Maxxum 9000 User manual

Service Manual
9000 = coDENo. 2071-200
@9000 = coDENo. 2071-400
MAXXUM 9000 — coDENo. 2071-600
a
py
MINOLTA

IMPORTANT
SERVICE
INFORMATION
This
service
manual
has
been
reprinted
in
its
entirety.
It
includes
certain
sections
that
can
only
be
serviced
by
utilizing
specialized
test
equipment
not
for
resale
to
the
independent
service
facilities.
It
is
therefore
recommended
that
the
sections
listed
below
not
be
ser-
viced
in
any
manner.
If
the
AF
mechanism
is
disturbed
in
any
way
by
such
at-
tempts,
the
resulting
repair
will
be
both
time
consuming
and
costly.
Minolta
will
assist
if
any
repair
or
adjust-
ment
is
needed
for
this
area.
Please
contact
the
closest
Regional
branch.
Following
is
a
list
of
the
pages
in
this
manual
describ-
ing
the
areas
not
recommended
for
servicing.
SECTION
PAGE(S)
DESCRIPTION
REPAIR
GUIDE
14615
MIRROR
BOX
ASSEMBLING
32
ADJUSTING
36
to
41
ADJUSTING
58
&
59
BOARD
REPLACING
60
&
61
DRIVE
SET
REPLACING
ROUBLESHOOTING
1
/MANUAL
FOCUSING
CHART
ILURE

MINOLTA
MINOLTA
MINOLTA MAXXUM 9000 (2071-600)
9000 (2071-200)
@ 9000 (2071-400)
TYPE OF CAMERA
‘35mm SLR camera with autofocus and automatic exposure
controlled by microcomputers.
Exporure mode
Standard lens
Lens mount
Film
Filmeframe size :
SHUTTER
Programmed auto-exposure (P); aperture-
priority auto-eaposure (Al: shutter speed
priority auto-esposure (Si: metered
manual exposure (3
MINOLTA A LENS 50mm (+1.
50mm {14
Minolta A mount
35mm cartridge (him
24mm < 36mm
Electrically controlled vertical-traverse focal-plane type
Shutter speed
Shutter re
Operating button
Self-timer
FLASH SYNC
Type
Contact
‘Syne speed
AP assist
P.A modes : 1/4000 t0 30 see
S,M modes : 1/3000 to 30 see
with 1-BV settings, B
Electromagnetic shutter release : with
emote control terminal : shutter locks
when battery voltage is low
With touch switeh © metering and
indication remain ON for 10 see after
the finger is removed from the touch
switch with click stop on the half way
Touch awiteh : activates metering.
indication and AF
Depressing halfway : activates auto:
focusing and focus-hold
Depressing all the way ; releases
shutter
Electronic with 10 see delay ; started
by depressing operating button : opera
ton indicated by LED blinking, ard by
beeping sound with main switch in
ON #1) position :eancelable before
shutter release.
TTL Diceet Autoflash Metering (P.
S.A.M modes)
2 Four contacts on hot shoe : Direct
contact at bottom of body for CONT:
ROL GRIP
P mode--sutomatically set at 1/250,
1/128 oF 1/60 see
see :slow shutter syne
possible by engaging AE. lock
'S.M modes--1/250 t0 30 see (with
LEV setting) set at 1/
250 see for manually set
speed of 1/250 see oF
fasger
2 By preemission of light
FILM WINDING, REWINOING
‘Type
Manual winding, rewinding ‘automatic
Winding
Frame counter
Rewinding
Muleiple exposure
VIEWFINDER
Type
Focusing screen
Field of view
Magnification
Dioptrie power +
Lighting
Mirror
Angle of movement
128" ith 30°
stand-off angle; Multiple strokes are
possible.
Additive type ‘automatic reset
Manual by rewiading:release button
find rewinding crank Rewinding:
release button 4s reset automatically
possible by multiplevexposure bution
SLR pemaprism tspe fixed
Acute-matte focusing sereen with spot
metering circle and forvs zone
interchangeable by user
94% of 24
5 kinds
5 OBL« with 50mm standard tens focus
st infiany
Built-in eyepiece correetion
dion.
Builtein LED to light viewfinder
indication ; automatically: turned ON with
BV 4 of lower
Swing-back type quick rewuen micror
a
jmirror) with subsmrror
VIEWFINDER INDICATION
Exposure indi
LCD)
Flash indication
Focus indication
Exposure mode. shutter speed. fale
speed ISO settings aperture, meter
fing ouvol-range warning, metered
‘wanual point. exposure adjustment
value | =/ =: metering mode,
program shift, shutter/aperture out:
of-range
Flash-ready signal (2H2) and svificvent
exposure signal (8Hz) indicated by
blinking 4 red LED)
Awtofocus
+ In-focus indication "O” igreen LED!
glows
+ Too-elose warning “D* (red LED)
slows
+ Unmeasurable warning "D4" ired
LED) blinks,
Manual focus
+ Infocus andieation “O” green LED)
blinks
+ Far-focus/near-focus indication “D™

+ Unmeasurable warning “D4” iced
LED) blinks
Battery exhaustion warning, bulb
lapsed time (counter)
LCD IN DATA PANEL (BODY LCO)
Exposure indication : Shutter speed, film speed ISO
setting), aperture, exposure adjust-
iment value (+/—), "ISO", reminder
manval setting. ahutter/aperture
outof-range warning, preview set-
ting
Other indication : Stand-by setting, battery exhaustion
warning
METERING CONTROL
Metering £ TTL center-weighted averaging’ spot
metering type full aperture metering:
{fn spot metering, normal. highlight” oF
shadow-based spot metering is selec:
ble;
Direct (TTL off-film: metering with
exclusive flash
1 compound silicon photocell iat
‘of mirror box!
seghted averaging
EV 1 to 20 with ISO 100 film and
114 lens
Spot metering
EV 3 to 20 with ISO 100 film and
14 lens
Receiver element
Auto exposire
Film speed: 180.6 to 6300 with 1/3-EV settings
flash control range
180 12 to 1000 with 1/3:-EV settings
AE lock Stn PLA.S modes, depressing AE lock
button holds metering and indication
AU H/S exposure setting, metering
value is held and used for ealeulation
as exposure value of H/S setting
Exposure Up to =4EV with 1/2.EV settings
adjustment
Program One of three programs STANDARD.
WIDE, TELE, 1s automatically set to
match focal length of lens .
Program is shiftable by shutter up/
down control o aperture up/down
control flash program is automatically
set with exelusive flash
AUTOFOCUS
Type TTL phasesdetection type
Working : BY -3e Mt
Focus sensor: CCD image sensor
Indication _:In-focus: viewfinder LED and beeping
sound with main switch ON oi)
Unmeasurable: viewfinder LEDO@ blinks
Focusing 2 Activated by touch switch, held with
focus-in by depressing halfway ope
ting button’: maneal focusing possible
boy changing focus-mode switch to M
POWER
Bautery ‘Two batteries are used {rom one of
the following types.
Tore _|_AMS_| SUMS | NRA
*Namber of
file 60 rolls | 20 rolls | 30 rolls
Number of film per set of batteries
[As determined by Minolta’s standard
testing method.
Battery check | Auto check while exposing warning by
viewfinder indication and body LCD,
All indication blink--warning
AMl indication OFF--~~battery, exhavstion
Main switch | Three-step sliding swith with OFF,
ON, eh): ON off for beeping indica
tion when infocus, selfstimer operation
OTHER
Back cover Interchangeable : with grip, film window
DIMENSION & WEIGHT
Dimensions, 139mm WW = 92mmiH) » 58mmD
Weight © 6354 (without batterves!

2071 mechanism description contents
© ®nou
. Electronic control system diagram:
. Average-/ spot-metering
. Summary of AF circuit
. Summary of body controlling circuit
|. Function of encoder ~
Mechanical block description
(1) Block diagram «
(2) Block description
py
Mechanical description
(1) Operation eycie «
(2) Mirror-up/-down mechanism
(3) Aperture control mechanism
(4) Winding, winding-stop reledse, multiple exposures mechanism ~
(5) Preview mechanism --
puuvyD
Principle of auto focusing (explanatory diagram)
(1) Light path -
(2) AF sensor ~
(3) Phase difference detection system «
). Function of switches
(1) Position of switches
(2) Switches list -

1. Electronic control system

2. Mechanical block description
(1) Block diagram
© rents Pe nea bck
© Rewinding tock
;
/
@ Flexible PC board-A
@ block
block
Flexible PC board-B
‘block

(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
[xy

3. Mechanical description
(1) Operation cycle
‘Sw. 2 ON
Sw. 4 OFF so
(2) Mirror-up/-down mechanism
Rerurm ever
SLi ON (attraction)
I
SL. ON (separation)
SL ON (separation)
SL. ON attraction)
+ Stop-down start.
+ Mirror-up start.
‘Ist shutter-biade control magnet
SL, ON (attraction) attraction,
+ 2nd shutter-blade control magnet
[
atraton
SiGe
+
Stop-down
completion.
+ Mirror-up completion |
SL. OFF
++
Ist
shutter-blade
running
start
|
I :
Sky OFF
I
Return lever operation
LP ites geet vet T
Maror
+ Aperture reset
+ « 2nd shutter-blage running start
+ Mirror-down start
start |
i + Winding-stop release.
Winding completion
Operation when mirror-up
‘SL; ON
T
Mirror-up start
Shutter lock release
Mirror-up completion
2nd shutter-blade_]--
running completion
Mirror-down start
Mirror-magnetsiever Iych
release
Mirror-stop-lever release,
Mirrorup lever release.
Mirrorsoperatina-lever
operation,
Shutter lock release by
release lever.
Shutter biades holding)
C SLis. J
lon when mirror-down
“Return lever pushing by
2nd-shutter-blade shock
absorber.
++ Mirror-up lever lock
release by pushed sub-
return lever.
+ Mirror-down by mirror:
Mirror-down completion
down spring of mirror.
operation-lever.

(3)
Aperture
control
mechanism
Pressat
magnet
lever
—*
when
stop-down
--=
When
reset
to
full-opening,
Averture
magnet
Py
petra
Toute weer %
\3
Sector
gear
ston
ever
Stoo eee
Sector cear
Agere st ver
SS
Acarnse ston seat
Aoeture rg
Operation
when
stop-down
sePresset
magnet
separation
—
Pre-set
magnet
lever
release
—
Stopytear:
lever
pushing
by
trigger
lever
—
Aperture-stop-gear
lock
release
—
Sector
rotation
start.
“Aperture
magnet
sub-lever
functions
to
attract
pre-set
mauiet
just after separated
ssonGeaes
rotation
in
the
order
by
sector
gear
‘Aperture
ring
gear
—
Aperture
ring
Fest
eae
ccond
gear
—
Aperture
stop
aear
‘Stop-down start
Aperture
pulse
count
nilse
is
counted
corresponding
to
amount
nf
setting
aperture
from
full
———
‘opening.
(1
stop=8
teeth)
‘Stop-down
completion
|...-----SLy
separation
—
Aperture-stop-gear
lock
by
aperture-stop-lever
=
T
‘Aperture-ring
stop.
Sw
Pv;
ON
See
item
“Preview.”
ip.7
Operation
when
resetting
to
full-opening
ale
-Rewrn-stop-lever
pushing
by
portion
A
of
return
lever
‘See
p.
4!
=
=
Return-trigger-lever
starts
to
activate.
‘SL2
reset
z
Aperture-stop-lever
pushing
by
return-trigger-lever
—
Aperture-stop-gear
Jock
release
—
Sector-gear-stop-lever
pushing
by
return-trigger:
lever
=
an
eee
Sector-gearlock
release
pactiore
fie
cet
..--Aperture-ring
rotates
in
the
direction
‘of
full-opening
by
spring
strength
I
of
sector
eer.