Shutter Releasing Failure; Rouble Symptoms With Sw.1 On - Minolta 9000 Service Manual

1) TROUBLE SHOOTING CHART
Description of chart
+ Switches :Circled ; short circuit (Switch may remain ON) Uncircled ; contact failure.
+ Lead wire :Circled ; short circuit with GND (or short circuit with next lead wire). Uncircied : contact failure or
+ Electric elements : Circied ; short circuit. Uncircied ; cold soldering or defect.
'+ Mechanical and other causes : Two layers:----connection of flexible PC board -A and -B sets.
+ Three layers--~--connection of flexible PC board -A, -B, and -D sets.
'Flexible PC board.A set: flex PCB-A.
1. Shutter releasing failure
connection.
Electrical Mechanical and
Symptoms Page | Switches | Lead wires] ECCtI® bersabylncha
Wi Trouble symptoms with power supplied
TH) Camera not powered at all 30 TiBlack)_] «DC/DC Cartridge contact
All LCDs remain OFF FE) 2 (Red) converter PCB | pin: adhesion of
when Sw. M ON 4iOrange | +Flex PCB-A | Alteco inside the
No operation at all. | 5.Green | Rai Qu) bush.
+ Connector pressure
plate set: rubber
off.
+ Flex PCB-A iat
Only stand-by display
appears. Metered value
does not appear when Sw. 18:White? . Re. Sw. 30): soldering
DON. No operation. — _ | reversed 2 Qs, Qs | failure:short
a DiGreen circuit of Sw. 30,
[HE] "ISO 100" blinking does | QRed, rors + Battery contact
2E-| not stop when Sw.M & 'formation: stain
ISO key ON, | + Release base plate
'GND printed wire)
disconnection
+ Flex PCB-A 'Sw
| OIC, 3
| disconnection
|
+ Three layers Au.
Aazcontact failure,
12) Shutter releases by attaching battery if | + Flex PCB-A
holder. 'With Sw. OFF | | ice
13) Shutter releases by attaching battery 2 | lex PCB-A
hele With Se O8 | | és
Trouble symptom with Sw. 1 ON
Ti) Shutter releases by Sw 1 ON. 7 Flex PCBA
[= 5
MiTrouble symptoms with Sw. 2 ON
TI) No skater releasing. no aperture ring
operation
D With normal display. | 2 ] + DE/DE | + Flex PCB-F
@ | converter PCB | disconecton
* Flex PCB-A (Voo0).
Icy. Ic + Aperture charge
lever (0255;
| | riveting failure of
| roller
«Skater screw
2 | °a61i-2o40-01)
| looseness.
+ Mirror-up sub-
failure
<Ragarn eine
lever spring (2557)
| saff position.
® With no display. (Camera not powered + Flex PCBA
at all) Cs. XLi.
| 2 Ic,
+ Flex PCBB
Ie