Troubleshooting; No Image Is Displayed On The Pc (When The Power Indicator Is Lit) - Sony SNC-Z20N Service Manual

3-1. No image is displayed on the PC
(When the POWER indicator is lit)
No image is displayed on
the PC.
Is the image normally
displayed on the color monitor?
No
Is the image displayed
when the power connection
method (*1) is changed?
In case that the images on
No
PC and color monitor, and
motor operation are all NG
Are the specified
voltages (*2) output to CN201
on the power module
(AC-217 board)?
Yes
Is the fuse (F1, 0.8 A)
break on the SY-310 board?
Yes
Replace the fuse.
SNC-Z20N/Z20P (E)
Section 3

Troubleshooting

PC: Personal computer
Yes
Go to A. (page 3-2)
*1: AC 24 V
DC 12 V
PoE (Power-over-ethernet)
Yes
Replace the power
module.
No
*2: CN201
1, 2pins DC 10 V
3pin DC 5 V
4, 5pins DC 3.3 V
6, 7pins GND
No Is the setting of the DIP
switch S602 on the SY-310
board correct?
Is CN804 on the SY-310
board correctly connected to
CN905 on the camera
block board?
Replace the camera
block.
Is the
harness CN501
(CT-229 board) from the power
terminal correctly connected to the
power module CN102
(AC-217 board)?
Yes
Replace the power
module.
No
Set the DIP switch S602 on
the SY-310 board correctly.
(Setting value : 0 0 0 0)
Yes
No
Replace the flexible
cable.
Yes
No
Connect the harness
correctly.
O
1
N
2
3
4
S602
3-1