The Camera Has No Power - Epson PhotoPC600 Service Manual

3.1.1 The camera has no power

This section describes check points and solution when LCD is not indicated or red LED light keeps
blinking and does not go to the waiting mode after turning the power switch (rotary switch) on with
batteries or AC adapter. Refer to Tables 3-2~3-4 below.
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n n n n If something abnormal occur to 8-bit CPU, which is located under
CHECK POINT
Table 3-2. Check points when the Camera has no power
Step
1 Is CN303 of SY1 disconnected?
2 When turning the power switch (rotary switch) on and off,
does the micro-switch also really turn on and off,
corresponding to power switch?
3 Is there continuity in the cables(2-pin, red and black) for
micro-switch?
4 Is CN301 of SY1 connected to CN106 of CA2 board?
5 Is CN311 of ST1 board connected to CN104 of CA2
board?
6 Is the connector between CN314 of ST1 board and CN305
of SY1 board secured steady?
7 Does each fuse(F3102, F3103) on the both sides of ST1
board has continuity?
8 Is SY1 board defective?
9 Is CA2 board detective?
10 Is ST1 board defective?
Table 3-3. Check points when the Camera has no power with batteries
Step
1 Is the battery cover fixed steady between the front cabinet
and rear cabinet?
2 Are 2 peaking points for installing the battery cover broken
or damaged?
3 Is the insulating film around the battery blocking electric
poles, because of defective battery?
4 Are there any foreign objects on or around electric poles,
such as remaining of plastic package of battery?
5 Are electric poles for battery located under the SY1 board
worn out?
Table 3-4. Check point when the batteries overheat in only using AC adapter
Step
1 Is the user using recommended AC adapter or other kind
of adapter?
2 Is the DC Jack in the DC inlet on the ST1 board defective? Replace ST1 board.
Rev. A
SY1 board and in charge of controlling user's I/F, the order signal to
generate digital and analog power for various functions can not be
output. And as a result, the camera falls into no power error. Also,
since this 8-bit CPU communicate with main CPU on the CA2 board,
the same symptom appears when something happens on the CA2
board too.
Checkpoint
Check point
Check Point
PhotoPC600
Chapter3 Troubleshooting
Solution
Connect CN303 again.
Install a micro-switch
again.
Replace the cable.
Push SY1 board into
CA2 board.
Push ST1 board into
CA2 board.
Secure either one of
connectors.
Replace either one of
fuses.
Replace SY1 board.
Replace CA2 board.
Replace ST1 board.
Solution
Install the battery cover
again.
Replace the battery
cover.
Replace batteries.
Eliminate the foreign
objects.
Replace SY1 board or
correct the angle of
electric poles by hand.
Solution
Use the recommended
adapter only.
3-2