Barco HDF W series, Service Manual

Page: 186 / 337

12. Start Pulse Generator
12.2 Troubleshooting
Lamp fails to ignite after you switched the projector from standby to operation
Situation Solution
You can hear the SPG module three times clicking in an attempt to ignite
the lamp. The voltage on the “LAMP OUT” pins of the LPS module is
fi rst 140 volt during the attempt to ignite and then drops to 0 volt.
Note : The ambient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
• The LPS and SPG seem to work normally but
the lamp is bad. Install another lamp house.
• If the problem remains, replace the SPG
module.
You can not hear the SPG module three times clicking in an attempt to
ignite the lamp. The voltage on the “LAMP OUT” pins of the LPS module
is
fi rst 140 volt during the attempt to ignite and then drops to 0 volt.
Note : The ambient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
• Check the cabling of the SPG module.
• Replace the SPG module.
You can not hear the SPG module three times clicking in an attempt to
ignite the lamp. The voltage on the “LAMP OUT” pins of the LPS module
is below 140 volt during the attempt to ignite. The diagnostic LED’s of
the LPS module indicates a problem with the LPS module.
Note : The ambient noise must be low to hear the SPG clicking in an
attempt to ignite the lamp.
• Check the cabling of the LPS module.
• Replace the LPS module.
182 R5905312 HDF W SERIES 24/01/2013