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Posts Tagged ‘capacitor replacement’

1937 Westinghouse WR 226 Vintage Radio Repair

July 27, 2014 Leave a comment

This 1937 Westinghouse radio was the second highest in their tabletop line-up for ’37 and featured 7 tubes and a large, eye-catching dial for easy tuning. After a full overhaul including capacitors, resistors, an eye tube socket rebuild, new power cord, dial cord re-string, line input addition, and a full alignment it sounds great and pulls in stations across the dial. This model had the alignment trimmers all on the underside which was annoying, but peaked up nicely nonetheless. Read more for photos of the rebuild!

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1969 GE Model C2504B Transistor Clock-Radio Repair

July 22, 2014 Leave a comment

This iconic late ’60s GE clock radio came to the shop with loud, low humming when turned on and no radio reception. That’s a familiar problem! Time for new capacitors. This particular used a 100 uF main filter and several 200-400 uF secondary filter capacitors around the boards, along with three electrolytic coupling capacitors in the signal chain. They were very tired and as shown by the hum had started to short out; if the radio continued to be run with the loud hum it could have been badly damaged so it came in just in time. Some new components later, she’s good as new and sounds surprisingly good for such a small radio. There’s a mystery switch inside, too – do you know what it might control? Read more for more photos of the repair.

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Bose 901 Series II Active Equalizer #103549

July 10, 2014 Leave a comment

This Bose® 901 Series II Active Equalizer is a part of Rain City Audio’s parts stock and got a full rebuild with upgraded parts and complete and comprehensive testing. All transistors, resistors, film and electrolytic capacitors were replaced, a new neon bulb added, and the controls cleaned and lubricated. This very detailed repair walkthrough has photos showing the drifted carbon composition resistors which can throw off the equalizer’s curve even if all the capacitors have been replaced. Click through for many more photos!

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Now for Sale: Westinghouse H-126 Little Jewel “Refrigerator” Capacitor Replacement Kits

July 2, 2014 Leave a comment

Rain City Audio is proud to announce a new product offering: capacitor repair kits for the Westinghouse H-126 Little Jewel / “Refrigerator” Antique Radio!

This repair kit contains the most commonly needed parts to refurbish your Westinghouse H-126 Little Jewel / Refrigerator radio. You’ll receive 13 modern, high quality replacement film and electrolytic capacitors to bring your radio up to full performance. Take the guesswork out of fixing your own collectible model of Little Jewel, and save the hassle of using a parts site like Digi-Key,  and order a kitted set of parts that’s ready to replace.

Included in this kit:

1 x 0.001 uF (You’ll receive 0.001 uF)
1 x 0.2 uF (You’ll receive 0.22 uF)
2 x 0.04 uF (You’ll receive 0.047 uF)
1 x 0.005 uF (You’ll receive 0.0047 uF)
1 x 0.025 uF (You’ll receive 0.022 uF)
2 x 0.01 uF (You’ll receive 0.01 uF)
1 x 0.1 uF (You’ll receive 0.1 uF)
1 x 0.1 uF (You’ll receive an X1Y2 Safety Capacitor to replace the across-the-line RFI suppression capacitor.)
1 x 20 uF 50V Electrolytic (You’ll receive 22 uF 50V)
2 x 50 uF 450V Electrolytic (You’ll receive 47 uF 450V)

Westinghouse H-126 Little Jewel/Fridge Capacitor Kit – $39.00 with Free Shipping!

 

1958 Zenith Royal 500 Portable Transistor Radio Repair

June 29, 2014 Leave a comment

This 1958 Zenith Royal 500, an early 8-transistor portable AM radio, came into my shop for a complete overhaul. I replaced several badly out of spec capacitors, added some insulation to correct a short circuit in two of the batteries and gave it an alignment. This is a perfect radio to take to the beach or the park while listening to a ball game, just like they’d have done back then. Many tear-down photos inside!

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Check it out at Rain City Audio

Bose 901 Series II Active Equalizer #114743 Repair

June 26, 2014 Leave a comment

This Bose 901 Series II Active Equalizer got a full overhaul in the shop with all new capacitors, resistors, transistors and silicon diodes. After a thorough control cleaning, it sounds absolutely fantastic once again and should last for a long time to come.

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Check it out at Rain City Audio

1962 Coronet 6 Transistor Shirt-Pocket Radio TRN-6

June 23, 2014 Leave a comment

This rare early shirt-pocket transistor radio, the Coronet TRN-6, needed a few new capacitors to sound its best. It delivers surprising performance from such a small package! Plenty of tear-down photos in this article.

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Check it out at Rain City Audio

1936 Zenith 5-S-29 Electrical Restoration and Alignment

June 20, 2014 Leave a comment

This 1936 Zenith 5-S-29 was in the shop for a complete overhaul with all new resistors and capacitors, a new dial lamp socket, tube testing and alignment. After all that service, it looks and sounds fantastic and is going to last for a long time to come in a local collection.

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Check it out at Rain City Audio

Bose 901 Series I Active Equalizer #41550 Repair

June 18, 2014 Leave a comment

This Bose 901 Series I Active Equalizer, serial #41550, came into my shop in need of an overhaul after being stored somewhere sticky for many years. After a rebuild and thorough control cleaning with high powered solvents, this equalizer performs good as new! All new capacitors, resistors, transistors and neon bulb will last for a long time to come.

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Bose 901 Series II Equalizer #58189 Repair

June 16, 2014 Leave a comment

This Bose 901 Series II equalizer came into my shop recently. It had one good channel, but the second channel was experiencing a large amount of distortion. No wonder why, the unit was mostly original, although it had some evidence of being serviced before.

Inside, about half the capacitors…

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