Minolta 9000 Service Manual page 170

23
(2) No shutter releasing with normal aperture ring operation
Checking item Servicing measures
Part
position]
/
Flat spring
1B, selderin |
'lex PCB-F : contact fa
Sly
Mirror-up sub-lever spring.
breahage
Flat speing or wirror up iever
esse shoctage (Fig)
Cy, IC, :defect
"Replace mirror operation plate
set (0513)
"Replace flex PCB-A i0i!
(3) Shutter r ases normally first:no 2nd shutter releasing
Checking item Causes
Servicing measures
D LCDs disappear after releasing
7 Redvr
circuit
"Black: short
D LCDs remain ON alter releasing
'Sw. 4: soldering failure
IC, B, B r soldering failure
IC, defect
| Replace flex PEB-A "0401
14) Nosslit shutter. (Shutter runs normally but no-siit shutter)
Checking item Causes | Servicing measures, Sid
Sy disconnection |
IC, WD: soldering failure
1 by (Red) disconnection j é28
ts, Yellow disconnection | Acs
1 Nell
hie sheet")
ay
46 Yellows Whites: short |
circuits reversed 1 8
| Shutter magnet: Evring off Replace shutter set (0202!
JIC, defect Replace flex PCB-A (0401
D No illumination LED lighting IC, D: soldering failure
2): soldering failure ;
IC. defect | Replace flex PCB-A (0401 I
D Wumination LED blinks with i: short circuit i
self-timer operation s short circuit i
defect | Repiace flex PCB-A (0401) |
'GH No illumination LED lighting DB: soldering failure
with self-cimer operation 3): soldering failure | endl
L I C . IC. detect | Repiace flee PBA ioabis |
Nosh shutter with mirror wp by |IC, = ieshort circu | a
pressing preview button [iC detect [Replace lex PCB-A i0d0l)
(5) Noticeable time-tag from Sw.2 ON to releasing
Checking item | Causes Servicing measures (Pat
Sw Dicontact failure
6) 2nd shutter not travel
Checking item | Causes Servicing measures feet
7 Whitey GND: short cireuit An8