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Author
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Topic: Cat 150 Card Problem
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Jeremy Weigel
Phenomenal Film Handler
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Posts: 1062
From: Edmond, OK, USA
Registered: Mar 2007
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posted 08-23-2009 12:38 PM
quote: Steve Guttag Do you mean it plays the movie fine but not Non-Sync?
Non-sync level very low(actually noticed this a few days ago, but chalked it to someone messing with the levels coming off the Smart DA220). During playback in SR the LCR channels are very low in level and there are popping sounds coming from the surrounds only. It all sounds fine in SRD, which is probably why till now we hadn't noticed the problem in SR.
I have already narrowed it down to the 150 card by swapping cards with another CP65. Put the good card in and voila non-sync level came back up and SR worked great.
Also, with the defective card in place and the CP65 in BYPASS, audio sounds fine (of course no non-sync and surrounds; only L&R output I believe). And for what its worth we have non-sync set for 2:4 mode which might explain the level drop since the 150 card has the Pro-Logic chip on it.
quote: Louis Bornwasser You might look at the solder connections on the crystal (shiny oblng can). Because of its location near the front, it is easily bumped. Similar symptoms.
Thanks Louis, I'll check it, although I don't recall seeing that on the 150F card(defective) vs the 150E card that I swapped it with.
I do recall the E version having a green ob-longed shaped component on it. I also noticed that the E version has 4 rectifiers that mount into sockets, whereas the F version has only 3 rectifiers that are soldered directly to the board. Were these rectifiers known to go bad on the E version, hence why they put them in sockets?
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