Front Panel Malfunction
(cont.)
F5
1. Adjust backlight intensity.
2. Replace Touchscreen module.
F1
Go to Front Panel Malfunction
page (F1) to repeat checks.
help
1. Check connections at red and
black wire connections on rear of
Touchscreen module.
2. Check connections at J2 of
151xx368 Power Supply board.
Measure dc volts on
151xx368 Power
Supply board from J2
pin 1 to J2 pin 2.
Is this
measurement
approximately
12vdc?
yes
no
Measure dc volts on
Touchscreen module
from black wire to red
wire.
Is this
measurement
approximately
12vdc?
yes
no
1. Check/replace fuse F1 on 151xx368
Power Supply board.
2. Replace 151xx368 Power Supply
board.
Summary of Contents for VC3500
Page 1: ...VC3500 User s Manual Software Version 3 X Manual Number MCO35 Manual Release Date July 1999 ...
Page 19: ...Installation VC3500 User s Manual Valco Cincinnati 16 Figure 8 Internal Connections Diagram ...
Page 88: ...VC3700 User s Manual Software Version 3 X Manual Number MCO34 Manual Release Date July 1999 ...
Page 181: ...VC3500 VC3700 Troubleshooting Manual Manual Number MC048 Release Date May 1999 ...
Page 185: ...VC3500 VC3700 Troubleshooting Manual Valco Cincinnati Page 1 System Level Documents ...