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Address wanted of the Brand "SQ"
Address wanted of the Brand "SQ"
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Old 27th June 2018, 09:28 AM   #1
tiefbassuebertr is offline tiefbassuebertr  Germany
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Join Date: Jul 2005
Location: D-55629 Schwarzerden
Default Address wanted of the Brand "SQ"

From this brand I have a light controller, but I am not able to find the appropriate service department. Maybe there are also old audio amps and mixers of this brand.
Who know this brand ?
Attached Images
File Type: jpg DSCF3615.jpg (993.4 KB, 70 views)
File Type: jpg DSCF3620.jpg (1.01 MB, 66 views)
File Type: jpg DSCF3617.jpg (1,010.7 KB, 65 views)
File Type: jpg DSCF3618.jpg (1,006.0 KB, 64 views)
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Old 27th June 2018, 11:58 AM   #2
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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Judging from the front PCB shown in your picture, I would say made many years ago. It is only a possible sequencer or sound to light, before the days of controlled lighting. Can't be much wrong with it that can't be fixed easily I would think.
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Old 28th June 2018, 01:18 AM   #3
conanski is offline conanski  Canada
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+1, what is it not doing correctly? I have built these from scratch, they use standard logic components but the most common failure point is with the triacs. Post up some pics of the internals and PCBs.
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Old 28th June 2018, 01:09 PM   #4
tiefbassuebertr is offline tiefbassuebertr  Germany
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Quote:
Originally Posted by conanski View Post
+1, what is it not doing correctly? I have built these from scratch, they use standard logic components but the most common failure point is with the triacs. Post up some pics of the internals and PCBs.
Unfortunately, I am unable to check all functions for proper work.
I have gotten this device from a friend (without web access) for sale
and the first question is always - where is the owner's manual resp. operating manual.
Therefore the asking here.
Here more images from some internal PCB's
Attached Images
File Type: jpg DSCF3621.jpg (1,000.9 KB, 44 views)
File Type: jpg DSCF3622.jpg (1.00 MB, 29 views)
File Type: jpg DSCF3623.jpg (1.01 MB, 22 views)
File Type: jpg DSCF3624.jpg (1.00 MB, 21 views)
File Type: jpg DSCF3625.jpg (1,006.5 KB, 19 views)
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Old 28th June 2018, 02:55 PM   #5
conanski is offline conanski  Canada
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Oh it is very well done, looks like it has opto isolated high voltage side and all ICs are socketed.

If you plug it in and power up with nothing else connected, select auto run and the LEDs on the main PCB will cycle through different sequences selected by the Program buttons on the front panel. To test the outputs just hard wire some incandescent light bulbs to the 4 outputs.
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