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Discussion Starter · #1 ·
Hi!


Just got my new Boxlight 1HD (techniclally Sanyo Z1).

The picture is amazing.

I'am really pleased with the unit, except one thing.


High pitched noise (well above 10khz) is heard from the front intake area.

It's clearly audible. It's not the fans. When I turn off the PJ,

this noise goes away (lamp off), and the fans continue working

for 90 more seconds. At this time there is no high pitch buzz.


Is this thing normal?


Thanks!
 

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Probably not normal, as mine does not do it...yet!
 

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Discussion Starter · #4 ·
The power supply was the problem.

I'am waiting for my new unit right now.


Thanks guys!
 
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