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Pioneer SX-202

AM/FM Stereo Receiver (1982-85)

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Pioneer SX-202


Tuning range: FM, MW

Power output: 25 watts per channel into 8Ω (stereo)

Frequency response: 15Hz to 50kHz

Total harmonic distortion: 0.3%

Damping factor: 22

Input sensitivity: 2.5mV (MM), 150mV (line)

Signal to noise ratio: 71dB (MM), 97dB (line)

Output: 150mV (line)

Dimensions: 420 x 98 x 214mm

Weight: 4.3kg

Year: 1982


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Reviewed May 31st, 2016 by

Bought one of these non working (did not power up).
No fuse (1.6 amp) was installed. When I installed one it blew. Removed the Power pack transistor. Many pins and cheap board traces but it came off with only a small amount of damage (repairable). It powered up ok with new fuse. Bought a power pack and got sound!!! problems were not over. when I turned up the volume the LEDS on receiver dimmed and output was choppy and distorted. Sounded very low on power about 5 watts. Replaced 2 Power Supply 3,300 42 volt capacitors with 4,700 50 volts and it sounds fantastic. I restored most of it however a horrible design prevents me from 100% restoration. Only a portion of the bottom cover is removable. Entire board must be removed along with the Tuning String and would be a major job. Too much labor and time for this plastic wonder. Once I replaced the 2 power capacitors the sound did somewhat amaze me for such a cheaply built unit.



re: SX-202

I just purchased one of these at the RARSFest hamfest today. I probably paid too much but I have fun restoring these things. This one will be a challenge as the dial mechanism will have to be redone to get the board out. That's ok, it won't be the first time I've had to undo and redo a dial cord. It'll be like new once I'm done. Pioneer will never get an award for "easiest to service"... Having designed and worked on electronics for over 20 years professionally, one piece of advice when things are seemingly a pain to work on: just carefully go for it, keep screws organized, take pictures, etc. You'll often spend more time trying to figure out a shortcut than if you just went for it...

re: SX-202

I got one of these free from a neighbor in 2009 and used in my kitchen with some bookshelf speakers. I thought it pretty impressive for a small cheap unit. After about 6 years one channel started crackling. I put it aside and got 2 more like it on eBay for about 20.00 each-each worked for a while and then did the same thing. They are in a closet and I hope to fix them someday. Meanwhile, THEY got me turned on to Pioneer and I now have an sx 1010. 780, 550, and 450 that I love.

re: SX-202


The source of your crackling is likely dirt and oxidation in the controls. Try operating all of the controls multiple times with the power switched off. If this helps, buy a can of De-Oxit spray made by Caig Laboratories. Open the cover and use the included "plastic spray" into the small openings of all of the controls and switches. Operate the controls and switches to spread the chemical around. Any excess that leaks out can be cleaned up with a Q-tip. The chemical itself is not harmful to the inside of the unit.


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