Epson Photo PC-750Z, Руководство по обслуживанию, Страница: 32 / 94

PhotoPC-750Z Revision A
Troubleshooting Overview 32
Table 3-3. No power only when the batteries are used (1)
Table 3-4. No power only when the batteries are used (2)
Table 3-5. Batteries heat up abnormally only when using the AC adapter
No. Check-Point Solution
1
Are 4 poles for battery located TB1
board below bent? or any foreign
objects?
Replace or clean TB1 board. If
poles are bent, correct the angle.
2
No foreign objects on the poles of
the battery cover? Clean the battery cover and pole
area.
3
Are 2 protrusions for installing the
battery cover damaged?
Replace the battery cover.
4
Is the insulting film around the
battery blocking electric poles,
because of defective battery?
Replace the battery.
5
Are there any of foreign objects
around electric poles, such as
remaining of plastic package of
battery?
Remove the foreign objects.
6
Is 2-pin connector (brown) on the
ST1 board connected firmly?
Re-install CN502.
No. Check-Point Solution
1
Is the recommended AC-adapter
(B86703*) used?
Use the recommended AC-adapter
(B86703*). Using other kind of
adapter may charge back the battery.
2
Is SY1 board connected firmly to
the connectors on the CA1 and CA2
boards?
Re-install SY1 board.
3
When the rotary switch is turned on
or off, does the switch on the SY1
board also rotate along with the
rotary switch’s rotation?
If not, re-install the switch.
4
Are the connector connections
between ST1 and CA2 boards
(CN501 and CN104) all right?
Push the bottom of ST1 (4-pin
connector, brown) from the top.
5
Are the connector connections
between CA1 and CA2 boards
(CN101, 102 and CN902 and 901)
all right?
Push in the edge of the flash on the
ST1 board and back side of CA2
board for each other.
6
Is there continuity in 2 fuses
(PR501, PR502) on the reverse
face of ST1 board?
Replace either one of fuses (PR501
or PR502).
7 Is SY1 board defective? Replace SY1 board.
8 Is ST1 board defective? Replace ST1 board.
9 Is CA2 board defective? Replace CA2 board.
10 Is CA1 board defective? Replace CA1 board.
No. Check-Point Solution
1
Is a user using the recommended
AC adapter? If not, advice the user to use the
recommended adapter.
2
Is DC Jack in the DC Inlet on the
ST1 board broken?
If yes, replace the ST1 board.