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Pioneer SX-1010

AM/FM Stereo Receiver (1974)

Pioneer SX-1010

Description

The SX-1010 is Pioneer's top of the line FM/MW stereo receiver.

Features include an FM front end with dual-gate FETs, ceramic filters and ics in IF stages for sharp selectivity, quadrature detection, phase lock loop (PLL) stereo demodulator, all IC equipped AM section with linear dial, balanced positive and negative power supply with heavy duty components, and a phono equalizer with wide dynamic range and extremely close tolerances.

The twin tone controls permit precise shaping of sound and direct-coupled power amplifier supplies high output power with minimum distortion.

Specifications

Tuning range: FM, MW

Power output: 100 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 40kHz

Total harmonic distortion: 0.1%

Damping factor: 30

Input sensitivity: 2mV (mic), 2.5mV (MM), 150mV (DIN), 150mV (line)

Signal to noise ratio: 65dB (mic), 70dB (MM), 95dB (line)

Output: 150mV (line), 30mV (DIN), 1V (Pre out)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 3 x FET, 5 x IC, 73 x transistors, 41 x diodes

Dimensions: 520 x 175 x 440mm

Weight: 22.2kg

Accessories: FM T-type antenna

Year: 1974

Downloads

instruction/owners manual (en)

service manual (en)

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Pioneer Receivers

Comments

re: SX-1010

I have taken my SX-1010 to two repair men and they are having a problem finding equivalents for resisters that were burned and some diodes. I was told by a parts manufacturer that you had to have the manufacturers part number, which makes sense. The Pioneer service manual only lists the Pioneer Parts number and the manufacturer of the parts is no longer in business. There must be a simple way I can get the equivalents since I hear of so many that have been repaired or restored.
If anyone has some suggestions or knows a single source I would be forever grateful
.

re: SX-1010

Look on ebay, many SX-xxx receivers are parted out, buy the whole board. I resurrected my old SX-838 that needed the whole amplifier board. There is an SX-1010 being parted out right now 19-Feb-2014.

re: SX-1010

If you go to page 57 for power supply AWR-054, assuming this is the one burned up, of the manual and find all the resistors are labeled with values. Example R12 says 10 that means it is a 10 ohm. Any technician can look at a resistors size and tell its power rating (even burned badly) so this one is a 10 ohm at say 2 watt (good guess). Need to have picture of actual board to know wattage but any tech should know this. If they don't know a resistors power rating, by looking at it, they are a really junior tech. Google resistor power rating and you can see all the sizes yourself. All the 4 Power diodes D1,2,3,4, to be safe, should be say 100 prv or more (peak reverse voltage) and 5 amp current capable. All others can be 50 volt prv or more and 1 amp, like 1N4004, are great for these. D8,9 are 32 volt 1 watt zener diodes and D10 is a 14 volt 1 watt zener diode. Note: usually if a power supply burns up, the fuses are the wrong size and it has a short on its output. You must ohm to ground, all the power supply voltage outs, to make sure no shorts, or you will just burn up, your new diodes and resistors or blow a fuse (which is what should have happened anyway if it is right size fuse) doug8

re: SX-1010 repair parts

Hi all, hope you can help. I have had my SX1010 purchase in 1976 repaired for a power supply problem. Unfortunately, during the repair, the "technician" lost the main black bottom panel with the ventilation holes/slots and the 4 feet.

I have finally been able to replace the feet but cannot source a replacement bottom panel. Can anyone point me in the direction of finding one?. The firm, Classicaudio.com , does not have the parts I need. Maybe you have one from a dead SX-1010 and would sell the panel? Reasonable price and cost of payment to UK is not a problem

Otherwise, could someone please take a close up photo or two of your SX-1010, bottom panel only with the feet, with some dimensions and where the feet are placed, so I can try to get one made locally. Not the best option, but it may have to do.

I can be contacted on e-mail bobhale@sufolkonline.net .

I do hope someone out there in the Pioneer community can help. Thanks in advance for your help.

Bob Hale

re: SX-1010 repair parts

There an SX-1010 being parted out on ebay right now (19-Feb-2014)

http://www.ebay.com/sch/makotools/m.html?_nkw=&_armrs=1&_ipg=&_from=

pioneer sx-1010

Anyone have the service manual??

thanks

Thanks to Jeepo65 for the service manual for the pioneer sx-1010.

 

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