Tag Archives: repair

New Project: Jamo MPA-101 Amplifier Repair

Posted on August 1, 2012 by jwk

Project’s Conclusion Here My friend brought me this Jamp MPA-101 amplifier he picked up at a garage sale, complaining in only puts out some rumbling and humming. It looks like it’s suffered a failure in the power supply at some … Continue reading →

Posted in DIY, Electronics, Projects | Tagged , , , , , , , | 2 Comments

First Ever Bose 901 Series 1 Active Equalizer Repair

Posted on July 25, 2012 by jwk

While some other projects have been pending information and parts, I’ve had a chance to work on the Bose 901 Series 1 equalizer that’s been on my bench for a couple of weeks. The equalizer is a necessary component of … Continue reading →

Posted in Electronics, Projects, Speakers, Vintage | Tagged , , , , , , , , , , , , , , , , | 37 Comments

Identifying Your Bose 901 Series 1 Equalizer

Posted on July 11, 2012 by jwk

Bose 901 Series I Active Equalizers came in two varieties, which can be used interchangeably, but have fairly different circuit designs. It’s simple to tell them apart for ordering parts for a repair with a quick inspection of the inside. Both … Continue reading →

Posted in Electronics, Projects, Vintage | Tagged , , , , , , , , , , , | 4 Comments

Fixing a 1934 Simplex Model P Dual Band Vintage Radio

Posted on June 27, 2012 by jwk

I picked up this 1934 Simplex Model P Dual Band radio for my personal collection about 7 months ago, but haven’t worked on it much until this weekend. It sat on my articulated chassis stand in the corner waiting for … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , | 17 Comments

Repairing the Farnsworth K-262P Vintage Radio

Posted on June 24, 2012 by jwk

I recently worked on a Farnsworth K-262P from between 1948 and 1951. His wife bought the radio to listen to records, and it came to me with reports that it had been working for a time but had inexplicably gone … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , | 8 Comments

Dell Inspiron 1545 with Broken LCD Screen – Dumpster Laptop Repair

Posted on June 22, 2012 by jwk

My apartment has what I like to affectionately call the “free pile”, where neighbors leave things they were throwing out but might have too much value to throw in the compactor outright. I’ve left a few things there myself, and … Continue reading →

Posted in DIY, Electronics, Projects | Tagged , , , , , , , , , , , , , , , , , , , , , , | 4 Comments

1938 Philco 38-C-12 “Coronation” Radio Repair

Posted on June 19, 2012 by jwk

I’ve had this radio on my bench for a little while, and she’s finally back up and running – and it plays great! It’s a 1938 Philco 38-C-12, special edition to commemorate the crowning of King George IV and Queen … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , | 7 Comments

1936 Grunow 566 Repair Finished! [Part 2]

Posted on March 10, 2012 by jwk

I started this radio a few days ago in Part 1. I left off with the radio up on the bench ready for service. It had a lot of issues with the power supply – and as I discovered while … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , , | 2 Comments

Next Project: 1936 Grunow 566 Radio Repair [Part 1]

Posted on March 6, 2012 by jwk

I’m off to a good start for my March projects, fixing up the Grunow 588. Next up is my Grunow 566 from the year before, from 1936. I picked this one up from eBay in shockingly good original condition – … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , | 2 Comments

1937 Grunow 588 Radio Repair

Posted on March 3, 2012 by jwk

I finally had a free day with no major commitments and was able to finally get some work done on my projects – it’s been a productive day. I picked up this nice example of a Grunow 588 “Teledial” radio … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , | 6 Comments