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21
1. Shutter releasing failure
[i Truoble symptoms with power supplied
(1) Camera not powered at all
Checking item
Causes
Servicing measures
ol
Replace DC/DC converter PCB
:
oso)
5
converter PCB & flex | Re-soider ion both sides)
PCB-B: soldering failure\Fig)
;
Repiace doubie-faced tape on
flex PCB-A
.
i)
S e s
=
oo
13 Green
2 (Black)
: disconnection
'
G
4 Black
©. Orange' : disconnection
[es Green: & tw White
Sw. 3
reversed
Bosh |", Greem-GND short cireuit
E-9
Operating bution contact & ¢> = |
ai
'Canaci pin | short circuit
|
| Rur:soldering failure: defect:
|
one
_ireuit
|
bas
Qs: soldering failure sdefect:
|
RS
short cirewit
[Battery contact: deformation
: stain |
7
| Retease base plate GND printed | Replace release base plate \G424)
| wire! disconnection _
|Vo00 'release base plate-fiex
| PCB-A :contaet failure
Cy: short circuit
Cy: short circuit"
Cor short circuit
Que: short eireuit
[XL soldering failure
: defect
[Rar short circuit
[Cog = shore circuit
| Rae: short circuit
[1C. B. @, - soldering failure
IC. 3-9. O-9. B-B. 3-
|B. B-B, B-B: short circuit
IC. B.D. @. D. BD: soldering
failure
IC. D: soldering fatlure
|
| ICs D-20, B-B: short circuit |
'
Flex PCBA & -E Vee13:
short cireuit
Three layers \A.
failure
Cartridge contact pin (4265)
|
I
i
Aiesion of Altece inside the
|
| bush (Fig!
i
'
(eae pressure plate set
'Replace flex PCB-A (G40i)
Replace flex PCB-B (0402)
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