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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


service manual (ARP-230-0)  English - Ivy Caudieus

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Reviewed May 31st, 2016 by Jim Libert

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.



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