| Author |
Message |
faradayblue
Joined: 28 Aug 2008
Posts: 29
Location: Acton, Ontario, Canada
|
| Posted: Thu Jan 27, 2011 4:25 am Post subject: Runco DTV 1100 1101 Barco 1209 no image |
|
|
 While watching a program the crt output went blank. I turned the prj off and on. The image came back for a few minutes before going blank. I repeated this a couple times - now nothing at all.
Any suggestions on what has failed and what I need to do?
|
|
| Back to top |
|
 |
km987654
Joined: 25 Jul 2007
Posts: 2874
Location: Australia
TV/Projector: Barco BG809s
|
| Posted: Thu Jan 27, 2011 10:06 am Post subject: |
|
|
|
Any HV crackle when you power up the set?
|
|
| Back to top |
|
|
faradayblue
Joined: 28 Aug 2008
Posts: 29
Location: Acton, Ontario, Canada
|
| Posted: Thu Jan 27, 2011 12:20 pm Post subject: Runco DTV 1100 1101 Barco 1209 no image |
|
|
|
The fans turn on and I hear a relay switch but I didn't notice the normal crackle when powering up.
|
|
| Back to top |
|
|
Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
|
| Posted: Thu Jan 27, 2011 1:32 pm Post subject: |
|
|
|
Check the red LED on the EHT board. Is it on? Check the red LED on the G2 board. Is it on?
|
|
| Back to top |
|
|
faradayblue
Joined: 28 Aug 2008
Posts: 29
Location: Acton, Ontario, Canada
|
| Posted: Fri Jan 28, 2011 1:41 am Post subject: Runco DTV 1100 1101 Barco 1209 no image |
|
|
|
Curt - This is the first time I've opened up this prj. I've examined what I believe are the EHT and G2 boards according to the Barco photos on this website. Please confirm the EHT board is a small board at the back and parallel to the back of the proj covered by a brown aluminum L-shaped shield with warning labels printed on the open side of the projector and that the G2 board runs parallel to the tube axis on the side with some large components mounted on it. The EHT board is displaying 1 red light near the back and near the open section of the prj and 1 red light near the back and towards the inside of the prj. I can only see green lights on the G2 board. There are lots of green lights. The only other red lights are mounted to board on the shield that flips down. Please suggest the next step.
|
|
| Back to top |
|
|
faradayblue
Joined: 28 Aug 2008
Posts: 29
Location: Acton, Ontario, Canada
|
| Posted: Sat Mar 19, 2011 1:22 pm Post subject: |
|
|
|
Curt - The projector is up and running again. Replacing the HV Quadrupler solved the problem. You went over the top in supporting the troubleshooting and providing replacement parts. Thanks again for all the help.
|
|
| Back to top |
|
|
|
|
