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Topic: What's happened to my CP500???
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Antonio Marcheselli
Phenomenal Film Handler
![](http://www.film-tech.com/ubbmembers/373b.jpg)
Posts: 1260
From: Florence, Italy
Registered: Mar 2000
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posted 10-29-2000 08:42 AM
Hello everyone, hope that someone can help me...Yesterday with "I fiumi di porpora" (french title is something like "les rivieres pourpose" )I noted very strange thing on my Dolby CP500D. The graphic levels of 6 channels on fron panel were freezed in one position. But the sound was OK in the auditorium and was Dolby Digital also when my CP500 said that it was Dolby SR... All cards were OK, no red leds. Between two shows I reset the CP pushing the "reset" button on the main board. Then, all seem to be OK but few minutes later... same problem. At the end of the day I turn off the CP500, wait few seconds and turn on again. I have a symbol of a discharge battery on the fron panel while loading (near the "Flash XXXX" message), and all was ok. I already saw that symbol: I've notice that after the diagnostic list is blank. Today, I turned on the CP and house music and I started cleaning my projectors. After few minutes I looked the CP and was freezed. Reset again (this time pushing the "bypass" botton behind the front panel) and all was fine again. Now I'm showing the film but the CP is freezed again... When DD logo started I saw the led go from SK8 (a Dolby SR position) to SK4 (a Dolby Digital position) and immediately go back to SK8. I went in auditorium but it was clear that the trailer was played in DD. This is not the first time that I have problems like that but every time a reboot was enough. What can I do now??? Thanks! Antonio
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Antonio Marcheselli
Phenomenal Film Handler
![](http://www.film-tech.com/ubbmembers/373b.jpg)
Posts: 1260
From: Florence, Italy
Registered: Mar 2000
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posted 11-02-2000 01:42 PM
Ok, It is now clear that the blinking of "P1" icon on fron panel of CP500 is causing that problem. With the help of our tech (Cinemeccanica) I've disconnected the CP from the projectors and the blinking is already there. Well, it depends... I've tried after the shows and the problem was disappeared, but befor first show (cold CP500) the problem is there. However, the problem IS in the CP500 since I've also disconnected the "Motor start" plug, turned on the CP and the P1 was blinking (only with cold CP!)I've notice that on Cat.670 when projector 1 is running then "p1" is lighted up but also "p2" is blinking (like the front panel); however on Cat.661 the "P1" led is lighted up but "P2" led is completely off when projector 1 is running... Ok, our techs are advised, they will come in few days but if someone has any suggestions... Thanks to everyone!! Antonio
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