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donr
Joined: 04 Nov 2006
Posts: 162
Location: Montreal
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| Posted: Sat Jun 05, 2010 8:19 pm Post subject: Dead blue |
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Hi folks
I was watching a movie the other night on my Ampro 4000G when I suddenly lost the blue. No loud pop, no arcing sound, no error messages, just no blue. I unplugged the set and let it sit for a day or so. I checked inside and could not see anything abnormal. Switched the rgb cables around to make sure the problem was not on my source. All the leds are green except the +5 and 12V which I believe are suppose to be on as well as the flashing I2C.
This pj has given reliable service over the years and it was sold by Curt to a fellow member of this forum before I got a hold of it. I know its probably bearing the weight of its age but, it is still in good shape and throws a nice picture. Anyone have a clue as to where I should start looking?
Don
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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: Sat Jun 05, 2010 9:11 pm Post subject: |
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Swap the CRT sockets between tubes. THose fail regularly, and I've got spares.
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donr
Joined: 04 Nov 2006
Posts: 162
Location: Montreal
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| Posted: Sun Jun 06, 2010 12:04 am Post subject: |
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Sorry to sound like a noob but by CRT socket, do you mean the whole amp card with attached wires or just the high tension lead on the card?
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sun Jun 06, 2010 12:21 am Post subject: |
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| donr wrote: | | Sorry to sound like a noob but by CRT socket, do you mean the whole amp card with attached wires or just the high tension lead on the card? |
The wires may not be long enough to reach so you can disconnect and just swap cards if need be. You should be able to leave the red focus wire connected though as that one may reach.
http://www.curtpalme.com/Ampro1500_Layout9.shtm
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donr
Joined: 04 Nov 2006
Posts: 162
Location: Montreal
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| Posted: Sun Jun 06, 2010 12:38 am Post subject: |
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Never mind. Don't answer that. I swapped the card and Curt, you were right on the money so, I guess I need a new amp card. Will email you.
Don
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donr
Joined: 04 Nov 2006
Posts: 162
Location: Montreal
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| Posted: Sun Jun 06, 2010 12:40 am Post subject: |
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Sorry mac. I guess you replied as I was typing. Thanks.
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sun Jun 06, 2010 12:48 am Post subject: |
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| donr wrote: | | Sorry mac. I guess you replied as I was typing. Thanks. |
No Problem. Glad you found it. 
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donr
Joined: 04 Nov 2006
Posts: 162
Location: Montreal
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| Posted: Sun Jun 06, 2010 1:29 pm Post subject: |
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Curt
You have a pm.
Don
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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: Sun Jun 06, 2010 2:14 pm Post subject: |
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I replied, did you not get it?
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donr
Joined: 04 Nov 2006
Posts: 162
Location: Montreal
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| Posted: Mon Jun 07, 2010 9:32 pm Post subject: |
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Got it and replied back.
Don
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