Minolta 9000 Service Manual page 172

2. Mirror operation failure
(1) Mirror stays up and no more winding occurs-----See p.59
Part
'Checking item Causes Servicing measures ceri
Tat & Zed shutter Blades piled up | Replace shutter set 10202)
2nd shutter blade shock-absorber|
Sine & mirror return lever: off
a |
Micror-up sub-lever axis riveting | Replace mirror operation plate
failure | set 0513)
Bnd shutter stop shard to Replace shutter see 10202)
| disengage deca, |
| Seivmirror operation failure | Replace mirror box assembiy
oni
(2) Mirror stays half-way up
] Part
'Checking item Causes | Servicing measures cite
[Mirror holder arm off
(3) No mirror operation
(Same symptom occurs with no shutter releasing)
T Part
Checking item | Causes Servicing measures oot
Mirror-op sub-lever spring=olf | Replace mirror operation plate
position | set 0513)
Mirror :haed to disengage Replace mirror operation pate
set 0513) |
| Mirror-up sub-lever & mirror stop| Replace mirror operation plate
[ever 'not engaged securely 348 05131
(4) With operating-button held down, mirror moves up before
winding completion
Part
Checking item
Causes
| Servicing measure
peel
'Sw. lever riveting failure | Replace winding gear base plate
set 10324)
(5) Mirror moves half-way up by pressing operating button
before winding completion
Part
Checking item
Causes
Servicing measures
position
| Winding stop release lever (0348) | Replace winding stop release |
| sdeformation lever set 10348)
(6) Mirror not return to its position when releasing with
camera's penta-prism side down
Checking item Causes Servicing measures
Mirror-down spring: off position | Replace mirror operation plate
| set .0513)