Sansui 9090 driver board

Unfollow sansui 9090 to stop getting updates on your ebay feed. Our online sales are continuing for our canadian and united states customers. This sansui g9000db is still operating but is in need of some service. Sorry out of stock this listing is for a new, blank driver amp pcb. Wow, i just got a sansui 9090db from a friend for free. Sansui 9090 much like the beginnings of early high end audio when audio research and conrad johnson were the common catch words, marantz and sansui are two names that most likely crop up when talk goes vintage solid state receivers. It has a highly selective fm frontend, through very sophisticated electronic design. The 8080db uses exactly the same driver board as the 9090db so the only difference in the amplifier section is a little less power and 4 output transistors. Sansui 5000 5000a 5000x f60 driver boards post by bonzoro 18 may 2018 23. This receiver has been serviced and partial recapdriver board and power supply recapped with all nichicon capacitors from digikeydriver board fusible resistors replacedhas all original toshiba output transistorspots and switches cleanedlamps upgraded to ledinside cleaned, faceknobs.

Heat over time causes these resistors to open, or increase in value, causing the problem you are experiencing. Dec 31, 2011 sansui 9090 recap and restore i got a 9090 to recap and restore from a local to me audio enthusiast hi greg. The amp sections should have no discernible difference in sound. Mar 31, 2018 this allowed sansui to compete head to head with other receivers in this area, and the area of overall sound quality.

In case the information you are seeking cannot be found here please contact our customer service team 8. The sansui 9090db offers advanced technology in a stereo. Sansui 9090 stereo receiver for sale in phoenix, az offerup. About 10 years ago the power protection light on the front panel would not switch from flashing red to green. The sansui 9090 is a high output version of the 8080 stereo receiver with 110 watts continuous, per channel minimum rms at hz both channels driven into 8 ohms, with no more than 0. The f2624 driver board is found in the sansui 8080db, 9090db, 890db, 990db, and qrx9001, which uses two of them. Sansui 9090db 8080db 990db 880db driver board bracket hold. I followed chriss directions to check the 180 ohm resistors on the driver board. Sansui 5000a driver circuit board f60 aw electronics. Sansui 9090 rebuild tapeheads tape, audio and music forums. Package deliveries are being slightly delayed in transit but are still arriving. Sansui 8080db9090db f2624 driver board resistorcapacitor refresh. Sansui 9090 manual amfm stereo receiver hifi engine. All documentation and schematics are available here.

Sansui 9090dbs were notorious for having small fusable type resistors go bad on the small driver board which sits in front of the heat sink, and is held in by a 2 screws for a black cover, with a white molex connector on top. Aug 15, 2015 refreshed the f2624 driver board after the protection light wouldnt come on. The 9090 is the little brother to the 9090db series abd larger brother with 110w output compared to the 8080 sansui we featured a few months ago on a restoration. Dc measurements taken postpreamp, post driver board and post power amp. Services vintage stereo restorations sansui repair. Show us your sansui post by perfect alignment 17 feb 2017 19. Sansui power transformer 8080db 8080 9090 db stereo receiver 100240 v 4002540. Sansui 9090 stereo receiverrebuilt upgraded scan the restbid the best sm up for consideration from my collection is an excellent condition c lassic sansui 9090 stereo receiver. Sansui 5000 5000a 5000x f60 driver boards vinyl engine. Qty of 2 vintage sansui s5 cone type midrange drivers 8 ohm, 16 watt, japan. Dec 16, 2015 i m in love with my sansui 9090 receiver. Sansui g9000db repair and restoration recaprestore.

Here is what one user said about the two receivers. Original paper service manual for sansui sc5100 cassette deck. Tuner power supply yes, it has a separate power supply for the tuner. After hooking it up, i found how wise of a buy it really was. Get the best deals on sansui 9090 when you shop the largest online. New filter caps, the originals were 6800uf 71v, i upgraded them to 0uf. Our original performance verification report and a copy of the owners manual included from sansui. If you are lucky this might be a simple and very jeep fix. As with all the vintage stereo equipment using deoxit on the pots and switches is a must.

It needed two resistors replaced on the driver board its the board that stands vertical and is held in place with a bracket near the back of the unit one resistor was open and another one was out of tolerance. Sansui 9090db recapped,refurbished,dolby board repinned. It has the classic styling of a mid 1970s receiver with a black and brushed aluminum face plate and dark dial meter with blue and white meters. We occasionally receive units missing their original driver board holders. Sansui f24361 driver board rebuild receiver recap kit for 8080. Sansui model 9090 amfm stereo receiver in excellent condition. Sansui 9090 8080 990 880 driver board bracket hold. One channel trips the protector relay, so im leaving that one disconnected for now, the other works fine for a few seconds then becomes increasingly distorted. Get the best deals on sansui 9090 when you shop the largest online selection at. Doa sansui 9090 technicalmodifications the klipsch. Its a little dirty and needing cleaned, it also has a few scratches on the wood case, but in excellent shape overall. Find sansui 9090 and sansui 8080 from a vast selection of vintage stereo receivers.

Sansui 9090 receiver part 1 checkout and circuit mods youtube. I used to moderate the exclusively sansui forum at audio karma. Sansui 9090db recapped,refurbished,dolby board repinned wima film caps and more upgrades photo. According to peter, once you recap you never go back. Refreshed the f2624 driver board after the protection light wouldnt come on. My understanding is that this is a common problem for sansui 9090db. I have many sansui amps in my collection, my favorites being the ba5000, baf1, au919, 717, aud11, g series receivers. When i take out the driver board and turn the unit on the light blinks about 3 times and the relay kicks on and the green light comes on and its out of protection mode. Service manuals, owners manuals, schematics, diagrams, datasheets, brochures online for free download and free to your amplifier, receiver, tape, cd, tuner, turntable and recorder. Sansui 8080db9090db f2624 driver board resistorcapacitor. The sansui 8080 db came to market at around 1975 and lasted until around 1978. From the picture, it looks like you have a later production board. Sansui f2624 driver board rebuild receiver recap kit for 8080db. Tommys sansui 9090db w dual ba312 upgrade vintage hifi.

The sansui 9090db features a 125wpc power amplifier section, direct readout power meters, an amfm analog tuner, dolby noise reduction circuit, bass, midrange and treble controls defeatable, two tape loops and a moving magnet phono stage. Sansui model 9090db receiver from may of 1977 in excellent condition. Sansui 9090db 8080db 9090 8080 speaker protection relay flashing red fix bg090 duration. Some of you may already know me as a sansui enthusiast. Sansui 9090 8080 990 880 driver board bracket hold down cover. Doa sansui 9090 technicalmodifications the klipsch audio. Nos never used sansui driver board f2583 for au9900 1. Sansui 9090db f2624 driver amp pcb blue, blank ebay. After we do this modification, if you dont think the modification was worth it, send the driver boards back to us and we will return the board to the original configuration and. Sansui 9090 stereo receivers for vintage audio action. Vintage sansui home stereo receivers photo gallery. Sansui f2624 driver board rebuild receiver recap kit for.

Originally, sansui used 10 amp fuses for rail voltages on 9090s and 9090dbs. Dear sirs, i purchased my sansui 9090db in 1978 in the navy exchange in the philipines. Sansui 9090db after f2624 driver board rebuild youtube. Sansui 9090 driver board schematic sansui, and beyond. Original paper service manual for sansui sc5110 cassette deck. Driver amp board both of them look like this on left channel power supply board, pin connectors were also cleaned. Almost always you must do some disassembly to properly clean the controls on any piece of vintage stereo equipment. May 02, 2009 sansui 9090db driver board recap community member, peter n sent in photos of a driver board partial recap. Sansui 9090 driver board r audiokarma home audio stereo. Sansui f2624 driver board rebuild receiver recap kit for 8080db 9090db qrx9001. Discussion in audio hardware started by mikem60, jul 6, 2010. Sansui f2546 power supply board rebuild receiver recap.

Services before sending your audio equipment in to be serviced please. Im trying to resurrect a sansui 9090, and am having trouble with the amp driver board. This tells me there is something up with the driver board. Sansui 5000a driver circuit board f60 original sansui 5000a tested driver board sansui 500. These are the upgrade boards that sansui provided to all 5000 series receiver owners as the final cure for the power amplifier problems that plagued that product for most of its production life.

This ic chip can be found on the tuner board of the 9090, 9090db, qrx9001, qrx8001 and other sansui models. Jun 12, 2018 sansui 9090db 8080db 9090 8080 speaker protection relay flashing red fix bg090 duration. Also in this condition there is no sound and no signal movement in the tuner in either fm or am mode. This is an improved reproduction of the original 70s sansui pcb, designed to be fully compatible with the original board. Quick video on how to fix the most common reasons for the speaker protection relay not engaging on this model sansui. From one of the earliest solidstate integrated amplifier, au999, to the newest international model, au911dg, sansui used the consecutive parts number for internal boards.

The 9090db also incorporates the dolby staging as well as different mic amp, and driver topology and output compliments. When i inspected it i did notice some newer looking caps and resistors on the driver board. If you cant get stereo from your fm signal, you might need a new one of these. I will include a surprisingly wellwritten instruction sheet, but this is a fairly complicated and delicate rebuild, and you should know what youre doing and have a decent soldering iron and a dimbulb tester. Register and post this question on the sansui forum over at audiokarma. Of course there was pioneer, sony, technics and others that carved. It appears there are 3 installed resistors you have on this board inbetween those transistors. If you want to impress your friends with a vintage stereo receiver whenever they come around to listen to music, you might want to try out one of the sansui 9090 receivers in this collection. Phono amp board, those four orange caps go in the center and the two blue ones go where c and 14 are near the bottom, and the bipolar cap was were the green cap is now.

Sansui au9500 and matching tuner tu9500 superb orignal condition. Next, there are several variations to the f24361 driver board. From the 20005000 series to the 50509090 series to the g series to the 331881 series to the au series of amps and more, they all have value and worth in my mind. That resistor engineering change is probably what was interfering with those four caps. Both are subject to leaking capacitors at this point, and theres a good chance either will require a board rebuild. The other major difference between the db and 9090 is the output topology. By focusing on driver boards, that is the most common part on amplifiers, i have constructed a table that is sorted by driver board number. This circuit board plugs into circuit board f2656 taken from a sansui 9090db where left channel was dead. Nov 22, 2004 this protection light flashing red is a common problem with the sansui 9090 and 9090db recievers. Hello, i just got a sansui 9090 and the protection light blinks red. Sansui f60 driver boards for sale on ebay, iitem number. Sansui 9090db 8080db 9090 8080 speaker protection relay.

Nov 05, 2017 first, the f24361 driver board used in the 9090 8080 and the f2624 driver board used in the 9090db8080db are completely different. Its been rebuilt and upgraded to like new performance. Tuner section, i will not be recapping this board as it seems that its in perfect alignment. Nov 02, 2016 the 9090 is the little brother to the 9090db series abd larger brother with 110w output compared to the 8080 sansui we featured a few months ago on a restoration. This protection light flashing red is a common problem with the sansui 9090 and 9090db recievers. Sansui 9090db manual stereo amfm receiver hifi engine.

How a digital guy fell in love with a vintage stereo receiver. Includes our original performance verification report. They also both use exactly the same preamp section except for the crossoverdefeat switches in the. Sansui 9090 recap and restore i got a 9090 to recap and restore from a local to me audio enthusiast hi greg. This sansui f60 driver circuit board worked without any issues before removal from a sansui 5000a receiver. First, the f24361 driver board used in the 90908080 and the f2624 driver board used in the 9090db8080db are completely different. Does anyone here have the schematic for this board. We support various brands of products and information can be found here on our website. Sansui f2546 power supply board rebuild receiver recap kit 8080 9090 890 990.