Question about Bose Lifestyle SA-3 2-Channel Amplifier
I inadvertently crossed the speaker wires on one channel and from then on, the amp would not power-up. I located a blown fuse and replaced it but the amp still will not power-up (as indicated by the LED). I can trace the power up to the transformer and it's correct at 120v. How can I trouble shoot thru the transformer? What should I expect on the "other" side?
The transformer is "Billion 271728 REV;.01
The problem is not the transformer. You now have shorted output transistors at the very least. By corssing the wires you presented a zero(0) ohm impedence load to the output section. It quickly went into overload. Before the fuses had a chance to open up, the outputs fried. This unit will require new output transistors and perhaps the previous driver circuit will require parts as well. Figure on $20-$50 in parts plus hte local labor rate for the repair.
Posted on Oct 01, 2008
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Aug 31, 2016 | Bose Lifestyle SA-3 2-Channel Amplifier
Mar 13, 2014 | Bose Audio Players & Recorders
Sep 24, 2013 | JVC AM FM CD DET FACE CAR STEREO
Oct 08, 2010 | Bose Lifestyle SA-2 2-Channel Amplifier
Jun 30, 2010 | Audio Players & Recorders
Oct 02, 2009 | Bose Lifestyle SA-2 2-Channel Amplifier
Apr 23, 2008 | JBL EON 15-G2 Powered DJ Speaker With EQ...
Feb 12, 2014 | Bose Lifestyle SA-3 2-Channel Amplifier
1,267 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: