20 Most Recent The Singing Machine Singing Machine STVG1009 Pedestal Karaoke System Tower Speakers Camera Monitor and Radio Questions & Answers

Many of the Singing Machine Karaoke system manuals are available on the company's support site: http://www.singingmachine.com/support/instruction_manual.php . The direct link to the STVG-1009 manual is http://www.singingmachine.com/download/Instruction_Manual/2010/CDG/STVG-1009/STVG-1009%20IM%20E01%20(SMC%20US).pdf . I hope this helps. Cindy Wells

Here is a link for the manual. I hope this helps. Please remember to rate my answer, and any questions or comments.
http://www.singingmachine.com/download/Instruction_Manual/2010/CDG/STVG-1009/STVG-1009%20IM%20E01%20%28SMC%20US%29.pdf?PHPSESSID=1b707b6d21f85aac7afd169b9b36682d

Good Luck!
M

The most likely case is that one of the main output transistors (if which there are many) is shorted. When the protect circuit senses DC on the final output, it will not allow the output relay to come on to protect the speakers from raw DC. With the power removed, you can check between each outputs Emitter and Collector and you will probably find close to zero ohms. From that point you need to unsolder each of the pins of the bad channel until you find the shorted device(s) and replace them.

'pianoforte'

BREV. N. 838420

See page 22 troubleshooting of this manual. It may help you. dd501 (yamaha.com)

Depending on the model, there are four around that date, it could be the insert jacks are tarnished reducing the signal flow between the pre amp stage and digital power amplifier. It could be the power amplifier has failed. It could even be customer error in wiring. This assumes there is the correct level of signal entering the input sockets of course.

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It's a Line 6 and probably requires a software update from Line 6.

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