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7supersprint
Joined: 10 Feb 2010
Posts: 12
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| Posted: Mon Jan 23, 2017 10:06 am Post subject: Barco 1209S no picture... |
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Yesterday it worked fine, today it doesn't start up anymore. No light on the tubes, no sound of HV coming up, cooling fans are working.
I have checked the diagnostics leds:
1. The HTHD led is off
2. Scan fail led is on (red)
3. +Conv led is off
4. Other leds on the G2/diagnostic board are green
5. Red led on R7621127 (Sync+ vertical defection board) in on (red)
6. EHT leds are off
Any clue? I have some spare boards to switch but where to start?
Thanks, Roel.
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7supersprint
Joined: 10 Feb 2010
Posts: 12
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| Posted: Mon Jan 23, 2017 1:40 pm Post subject: |
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Okay, got a bit further...
Switched the horizontal deflection board with a spare and now I have all green lights on the G2 board and no red scan failure anymore. I also hear HV coming on but still no picture and the red led on the sync&vertical deflection board still illuminating.
Switched the sync&deflectionboard with a spare with no success, red led is still on.
Any thoughts how to get on now?
Roel.
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Curt Palme
CRT Tech
Joined: 08 Mar 2006
Posts: 24396
Location: Langley, BC
TV/Projector: All of them!
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| Posted: Mon Jan 23, 2017 6:01 pm Post subject: |
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Look into the lenses. Do you see a very faint flicker coming from either the very top or very bottom of the tubes? If so, the set is most likely working fine, the red light on the V board indicates that the board is not syncing to an input signal.
What signal are you sending to the projector?
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7supersprint
Joined: 10 Feb 2010
Posts: 12
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| Posted: Tue Jan 24, 2017 1:00 pm Post subject: |
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Thanks Curt, up and running again Because of the red led I wasn't shure if putting a signal on it would harm anything but with signal on it is working again.
Many thanks!
Roel.
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