Service manuals, schematics, eproms for electrical technicians. Pioneer qx949a 4channel quadraphonic stereo receiver amplifier im sincerely grateful you have selected my pioneer qx949a quadraphonic integrated amplifier receiver to view and consider adding to your quadraphonic audio component collection. View and download pioneer qx949 service manual online. I know that vintage pioneers are well regarded in the speaker community so i was very curious as to how it might sound with headphones compared to my vintage marantz. We use cookies to give you the best possible experience on our website. The beautiful original 1974 us sellsheet for the 949, right here. Features include a cd4 demodulator, sq decoder, regular matrix decoder, four. Now that everyone is showing off their gear, and knocking the heck out of the tan 80s pioneer look. But if the owner ignores the complex cd4, sq, qs and matrix surround modes, then the qx949 is a powerful receiver built to last a lifetime and surving five or six more format wars. It has a built in cd4 demodulator as well as regular matrix and sq matrix. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and.
Pioneer amfm 4 channel stereo receiver model qx646. The qx9900 was manufactured in the mid 70s and featured both matrix and sq decoding. Circuit boards, driver circuit board, awx051 anp2560 with transistors. Find great deals on ebay for pioneer qx949 and pioneer qx747. The unique power boosting circuit converts the large 4channel power output to even greater 2channel power. Internal views of the original qx949 you know where.
Pioneer qx949 service manual download, schematics, eeprom. The pioneer qx949 is one of pioneers larger quadraphonic receivers and was top of the line when it was introduced in 1974. Tokyo, build 1974, 11 pictures, japan, schematics, tubes, semiconductors, broadcast receiver or past ww. Its styling is a cross between nasas apollo program meets the. The pioneer qx949a is a 40 watt, four channel, stereo receiver. Pioneer qx949a sch service manual download, schematics. Pioneer qx646, qx949, qx949a, qx4000, sa7100, sx450, sx 525. Pioneer qx949 operating instructions manual pdf download. Pioneers qx949 stereo receiver is the most complete 4channel unit now on the market.
Download pioneer qx949 quadraphonic receiver service manual. Features 2 phono inputs, two tape monitors, 24 channels, low and high filters, two basstreble controls, has both tuning and signal meters, also has the 4 channel meter indicators, 2 or 4 channel. This was mainly due to the fact that it had essentially all the available decoding built in to it. This unit has the distinctive holes in the top of the case. Pioneer stereo receiver model qx646 betamax collectors. Pioneer qx646, qx949, qx949a, qx4000, sa7100, sx450, sx525. Email or call us if you have a pioneer receiver that requires service. Parts could fit other different applications and receivers. The owners manual is used as an reference guide, instruction manual and instruction book. The qx949 is pioneers ultimate four channel fmmw stereo receiver, featuring all present quadraphonic systems, cd4, sq and regular matrix. Pioneer qx 949 quad quadraphonic monster receiver beautiful see more. D n a electronics specifications pioneer qx949 specs. Features include a cd4 demodulator, sq decoder, regular matrix decoder, four channel level indicator, power boosting circuit, high and low cut filters and two tape monitor switches. Wonder how the cool display of the 949 really looks like.
There was a discrepancy in the pin outs of the original transistors between the schematic and what was actually on the board. Pioneer qx949 manual mwfm four channel receiver hifi. Right channel was all static even if i turned volume all the way down. Pioneer qx949a 4channel quadraphonic stereo receiver. Pioneers qx949 stereo receiver is the most complete 4channel unit now on the. View, read and download service manual for pioneer qx747a, learn how to repair it, fix failures or solve other issues. Pioneer qx 949 quad quadraphonic monster receiver beautiful one of the earliest quad receivers, an extension of the famed sx 828 and sx 727 classic stereo receivers. Quadraphonicquad welcomes you and encourages your participation. Pioneer qx949a 4 channel receiver 110120220240 vac, 5060 hz. We take pride in providing our customers with repairs of the highest calibre. The first series of photos are my pioneer qx747 quadraphonic cd4rmsq receiver. This is one of pioneers four channel offerings the pioneer qx9900.
Boasting a builtin cd4 demodulator as well as regular matrix and sq matrix decoding circuitry plus a prodigious power output the qx949 is prepared to deliver superlative sound from all 4channel discs, tapes and fm broadcast now available today. It is a quadraphonic receiver with a fm and mw tuner. Pioneer qx949 receiver owners instruction manual reprint plastic comb on. Two of the pioneer ones, qx949 and qx747 say fuw version on the front cover but give no other explanation. Since none of the quad decoders in this reciever were anything to shout about, i am running the sq records through my lafayette sqw decoder vs the crappy sq decoder in the pioneer. Download the pioneer qx949a manuals for free hifi manuals. Quadraphonic frontrear comparison of pink floyds the dark side of the moon by alan parsons duration. Question for benimur i just received my pioneer qx949. What it does have is the upgraded cd4 and sq matrix decoder units which were a great improvement over the earlier qx949, along with a regular matrix decoder as well. As i pushed other buttons i got a very loud popping sound from right speaker just as i pushed the low filter button. Download the pioneer qx949 manuals for free hifi manuals. Pioneer qx949 receiver owners instruction manual reprint. The qx 949 is pioneer s ultimate four channel fmmw stereo receiver, featuring all present quadraphonic systems, cd4, sq and regular matrix. Select from the list of manufacturers above for fast and easy searching.
This fuels an allstage direct coupled ocl power output circuit and a. Pioneer qx949 quadraphonic receiver service manual. To open downloaded files you need acrobat reader or similar pdf reader program. View, read and download service manual for pioneer qx9900, learn how to repair it, fix failures or solve other issues. Pioneer sx1050 sm 1 service manual download, schematics.
Pioneer qx747 quadraphonic cd4 receiver steve hoffman. Pioneer qx949a scope lamp replacement quadraphonicquad. The pioneer qx8000 is a receiver in the solid state amplifier category. Output transistors used such units as biamp, marantz, mitsubishi, nad, onkyo, pioneer, rotel, sansui, technics, yamaha and others. Pioneer qx 949 quadraphonic receiver repair youtube. This site helps you to save the earth from electronic waste.
The pioneer qx 949a is a 40 watt, four channel, stereo receiver. This device uses akm003 speaker plugs specifications. Other features include separate bass and treble tone controls for the front and rear channels, low and high filters, front and rear cd4. Pioneer qx949 receiver owners instruction manual reprint plastic comb. Pioneer service manuals, circuit diagrams, schematics for audio equipments. Below you will found our manuals on the pioneer qx 949. Today, the only thing i am using it for is playback of sq records. The service manual lists the transistors as ecb but they are actually bce. Below is the little qx646 which doesnt seem to have survived 1976 and, therefore, no a version either. The pioneer qx4000 is a receiver in the solid state amplifier category. Do your home work, i do not guarantee it will fit your particular receiver part is guaranteed to be operational contact for. View and download pioneer qx949 operating instructions manual online. Ive had a pioneer qx949 quad receiver since it was new in the 70s.
Pioneer qx949 quadraphonic receiver for repair or parts, very heavy. Do a quick forum search on user quadzilla different from the current user kwadzills who was the resident quadraphonic expert. Pioneer stereo electronic repair parts for vintage pioneer stereo receivers, cassette decks, reel to reels, and equalizer parts. The service manual functions as a repair guide for troubleshooting and sometimes contains tips for refurbishing and modifications. The pioneer qx949 is one of pioneer s larger quadraphonic receivers and was top of the line when it was introduced in 1974.
The qx 949 a was manufactured from 1975 until 1979. Below you will found our manuals on the pioneer qx 949 a. The schematic is a technical drawing or diagram of your system, a perfect supplement to the service manual. Pioneer stereo receiver model qx949 betamax collectors. Please keep all discussions civil, even when you have a strong opinion on a particular topic. Below you will found our manuals on the pioneer qx949a.
Tokyo, build 1974, 12 pictures, 2 schematics, 1 tubes, japan, semiconductors, broadcast receiver or. The schematic is a technical drawing or diagram of your system, a perfect. Having experienced much love and joy with marantz receivers i. Features one phono input, one tape monitor, low and high filters, two basstreble controls, cd4 separation leftright controls, loudness onoff, fm muting onoff, modes 2ch cd4 rm sq, functions am fm mono auto phono aux. I was changing a fuse for the display and used the wrong part and now it answered by a verified technician.
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