Audio Repair

Repair: Philips 42" 3D LED TV with Ambilight

Last week I started a new repair project: a 42" Philips TV. The power supply was obviously defect, but I ran into another problem as well...

Repair: Denon AVR-4520

This unit sold from 2012-2015 as the top-of-the line AV Network Receiver from Denon. I got my hands on a unit with power protection issues. Here's the repair log the Denon AVR-4520.

Repair: Rotel RB-970BX

Another lucky find: Rotel RB-970BX Power Amplifier with one defective channel. Let's fix this!

Repair: Marantz PM80 Mk2

The venerable Marantz PM80 Mk2. This unit was completely dead, but I was able to bring it back to life!

Repair: Denon PMA 720A

A classic 1989 Denon PMA 720a Integrated Amp that made a bang and wont't turn on. Let's solve this!

Repair: Marantz SR5200

A Marantz SR5200 receiver with a non-working front-right channel. Let's fix that!

Repair: Denon PMA-560

Log of diagnosing and repairing a Denon PMA560 Stereo integrated amplifier.