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Old 21st March 2011, 02:11 AM   #1
biztyke is offline biztyke  Canada
diyAudio Member
Join Date: Jan 2010
Default Rotel RX-830 SM?

hey there, i have a rotel rx-830 that has a bad transformer. does anyone have or know where to get the service manual for this? specifically i just need to know the voltages the transformer outputs so i can find a suitable replacement. this is a nice little unit and i would like to breath some life into it if i can.

thanks for any help
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Old 24th October 2016, 01:53 PM   #2
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Join Date: Feb 2014
Location: Central NJ, USA
Hi, I. Also have an rx830 and was wondering if you ever got a replacement pt. My unit is a German market unit and has a pt set for 220v, not 120v like here in USA.
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Old 26th October 2016, 08:56 AM   #3
jaycee is offline jaycee  United Kingdom
diyAudio Member
Join Date: Apr 2004
Location: Norwich, UK
Service manual is here:
Rotel RX-830 - Manual - AM/FM Stereo Receiver - HiFi Engine

The transformer looks to be a 15-0-15 secondary. While this is not on the schematic, the main power supply capacitors are 25v rated, so it would fit. The unit is rated for 150W, so it's probably a 100VA transformer.
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