Epson Photo PC-750Z, Service Manual, Page: 35 / 94

PhotoPC-750Z Revision A
Troubleshooting Overview 35
3.1.6 Unable to transfer the image data to PC
This section shows checkpoints and solutions when the image data is
unable to be transferred to PC due to the communication failure.
Table 3-10. Unable to transfer the image data to PC
3.1.7 No Images on the LCD (All black)
This section shows check points and solution when images do not
appear only on the LCD screen even when images can be transferred
to PC all right.
Table 3-11. No images on the LCD
No. Checkpoints Solution
1
Is the user using PC with Max.9600-bps
communication speed? Only WIN95/98
and Power Mac can be used for
PhotoPC-750Z.
Following the advice on the
left, use high-speed serial I/F
board and make the
communication speed higher
than 19200-bps.
2
See if the cable terminal on the camera
side is damaged or not, and check if
there is any broken pin or iron piece in
the connector hole or not.
Replace the serial connector
or CA2 board.
3
Refer to the cable connection in the
Chapter 1 and check if there is
continuity in the serial cable.
Replace the cable.
4 Is CA2 board defective? Replace the CA2 board.
No. Checkpoints Solution
1
Camera may have shut off
automatically.(Saving energy mode of
the back light)
Explain the dial switch.
2
Is the white connector for LCD back light
power supply firmly inserted into CN503
(3-pin, brown) on the ST1 board?
Re-insert the white connector
to CN503.
3
Is FPC of the LCD monitor firmly
inserted into CN171(brown) on the CA1
board?
Re-insert the FPC to CN171.
4 Is ST1 board defective? Replace the ST1 board.
5 Is LCD monitor broken? Replace the LCD monitor.