Minolta 9000 Service Manual page 169

(2) Shutter releases by attaching battery holder (With Sw.M OFF)
MTrouble symptoms with
(1) Shutter releases by Sw.
Part
Checking item Causes Servicing measures ieee
IC. ©-@, O-'
(3) Shutter releases by attaching battery holder
(With Sw. M ON)
Part
Checking item Causes | Servicing measures, lesehiea
Sw 2: short cireuit .
Con short circuit ics
'Sw. 1 ON
ON
Checking item
] Causes
| Servicing measures,
Sw. 1-Sw. 2: short circuit
IC, 3-3: short circuit
1G dee
[Replace Mex PCB-A 040i
WTrouble symptoms with
Checking item
Sw.2 ON
1) No shutter releasing. (no aperture ring operation)
Causes
Servicing measures
D With normal display
ranyns
Mirror upeeation fever ata
XS
'OCDE converter PCB defect
IC) B-B: short circuit
{C. Bs soldering failure
IC). IC detect
Flex PCB-F : disconnection
(vo00)
Aperture charge lever 0255
riveting failure of roller
| Shutter serew /9611-2080-01
+ | looseness
| Mirror-up subsiever axis
| riveting failure (Fig)
Return trigger lever spring
25571: off position
| Replace flex PCB-A (0401
Replace flex PCB-F 1226,
Replace aperture charge lever
0255:
| Replace mirror operation plate
| set 0513,
D With no display 'Camera not
powered at all)
TIC; @: soldering failure
XLy : short eirewit
[Cy <short cireutt
IC. defect
IC, defect
Replace flex PCB-B 0402)
Replace flex PCB-A 401
22