Front Panel Malfunction
Measure dc volts on
151xx365 LEDboard
from J2 pin 1 to J2 pin
2.
(cont.)
F3
Is this
measurement
approximately
17vdc?
Replace 151xx365/406 LED board.
yes
F1
Go to Front Panel Malfunction
page (F1) to repeat checks.
help
1. Check connections at J3 on
151xx368 Power Supply board.
2. Check connections at J2 on
151xx365/406 LED board.
no
Measure dc volts on
151xx368 Power
Supply board from J3
pin 1 to J3 pin 2.
Is this
measurement
approximately
17vdc?
yes
no
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 ...