Question about Audio Players & Recorders
Getting the standby blinking light. I noticed the rt. channel speaker wire disconnected and crossed (3yr old son). I unplugged all wires, and tried resetting but no luck. Checked internal fuses and all ok. What do I check next? Thanks
Oh dear, your budding lil electrician may have gotten out of his depth:).
Shorted speaker wires often result in damage to the amps output stages. The blinking light tells us that the unit has gone into protection mode, preventing damage to the speakers from the amp. It will have what is termed a DC offset condition being generated by the channel; that got shorted. There is no easy fix for this and you have checked the obvious with fuses and removing all speaker wires and checking operation. The unit will have a blown output transistor/array, possibly driver transistors, and fusible resistors, and diodes to that channel. The bias current will also need to be set up again once repairs are completed.
There are no user serviceable parts in a unit like this. With good knowledge of electronics, a multi meter, soldering iron and experience at using all, you could fault find the channel, replace the parts yourself. I should warn you that if descrete components are used, they can be difficult to repair because of the nature of DC coupled linear stages employed. The best option is to take it to a repair man for a quote.
I am happy to try and talk someone through a repair process, but there is a degree of difficulty ascociated with not being able actually work on the amp.
The best solution for you is to get a tech to look at it. This sort of repair work can range from $80-150 depending on the parts used and the time taken to fault find and replace parts. I hope that this helps you. Your appreciation for my time spent to give you this advice is best rewarded with a FixYa.
Posted on Sep 10, 2008
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Posted on Jan 02, 2017
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