Parts

Hard To Find Parts for the QRX Series and other Sansuis

We’ve decided, after many requests, to start selling parts for the QRX series.  After 3 years we have come up with some well nigh impossible to get parts for these complicated Quad receivers.  We run this through PayPal.  When you’re done, the View Cart button will take you to PayPal and you can checkout.  You can change any quantities easily at checkout.

Please contact us at Parts@QrxRestore.com with any questions.

Flat Rate Shipping

USA $3.99  – International (most countries) $17.99


F-2624 Fusible Resistors  $7.50
This is a set of resistors that will allow you to replace all the fusibles on one F2624 amp driver board.  It takes two of these sets to do an 8001/9001.  One set will do a 9090DB or 8080DB stereo receiver.  These are metal film resistors, high quality.  They can take the heat without drifting up in value over time and ruining your amp.  These resistors are the cause of more blown amp channels than anything else.  They still work as fuses when overloaded.

Consists of:
6     4.7 ohm 1/2 watt
2     10 ohm 1/2 watt
4     150 ohm 1/2
2     180 ohm 1/2 watt



 


F-2436 Fusible Resistors  $7.50
This is a set of resistors that will allow you to replace all the fusibles on one F2436 amp driver board.  It takes two of these sets to do an 7001.  One set will do a 9090 or 8080 stereo receiver.  These are metal film resistors, high quality.  They can take the heat without drifting up in value over time and ruining your amp.  These resistors are the cause of more blown amp channels than anything else.  They still work as fuses when overloaded.

 

 

Consists of:
4     4.7 ohm 1/2 watt 1% resistors
2     10 ohm 1/2 watt  1% resistors
2     22 ohm 1/2 watt 1% resistors
2     150 ohm 1/2  watt 1% resistors
2     390 ohm 1/2 watt 1% resistors

Please note that due to variations in 2436 boards you may have a couple extra resistors- we include enough to cover every version.





F-2624 Restoration Kit $19.50

This is a set of components that will allow you to replace all the components that we do during our restoration process on one F2624 amp driver board.  It takes two of these kits to do an 8001/9001.  One kit will do a 9090DB or 8080DB stereo receiver.

 

Consists of:
6     4.7 ohm 1/2 watt  2% resistors
2     10 ohm 1/2 watt  1% resistors
4     150 ohm 1/2  1 % resistors
2     180 ohm 1/2 watt 2% resistors
2     2.2uf/50v caps
2     100uf/25v caps
2     330uf/63v caps
2     470uf/6.3v caps
4     KSC1845 NPN transistors

Please note that the KSC1845 replaces TR01-TR04. The KSC1845s read ECB from the front, which is the reverse of the stock transistors they will replace. We also replace the stock 0.47uf/50v caps (C01 and C02) with the 2.2uf/50v caps for improved bass response.




 

 


F-2624 Replacement Trim Pots $20

These for trim pots replace VR01 – VR04 on one F-2436 board. We don’t always replace these during standard restorations but if they’re bad it causes serious problems. VR01 and VR02 are replaced with the 5K ohm multi-turn trim pots (stock is a 4.7K ohm pot) and VR03 and VR04 are replaced with either the
1K ohm or 100 ohm trim pots.


VR03/VR04 Value



F-2436 Replacement Trim Pots $20 These four trim pots replace VR01 – VR04 on one F-2436 board. We don’t always replace these during standard restorations but if they’re bad it causes serious problems. VR01 and VR02 are replaced with the 5K ohm multi-turn trim pots (stock is a 4.7K ohm pot) and VR03 and VR04 are replaced with either the 1K ohm  or 100 ohm trim pots.


VR03/VR04 Value



F-2436 Restoration Kit $19.50

This is a set of components that will allow you to replace all the components that we do during our restoration process on one F2436 amp driver board.   One kit will do a 9090 or 8080 stereo receiver. You’ll need two for a 7001.

 

 

Consists of:

4     4.7 ohm 1/2 watt 1% resistors
2     10 ohm 1/2 watt  1% resistors
2     22 ohm 1/2 watt 1% resistors
2     150 ohm 1/2  watt 1% resistors
2     390 ohm 1/2 watt 1% resistors
2     2.2uf/50v caps
2     100uf/100v caps
2     100uf/6.3v bipolar caps
4     KSC1845 NPN transistors

Please note that the KSC1845 replaces TR01-TR04. The KSC1845s read ECB from the front. Also due to variations in 2436 boards you may have a couple extra resistors- we include enough to cover every version. We also replace the stock 0.47uf/50v caps (C01 and C02) with the 2.2uf/50v caps for improved bass response.





9090 Complete Recap Kit- $115
This is a set of components that will allow you to replace all the components that we do during our restoration process on one Sansui 9090. In addition to the F-2436 Restoration Kit, includes capacitors to recap the following boards: F-2431, F-2541, F-2542, F-2543, F-2544, F-2545, F-2546, F-2547, F-2549, F-2550, F-2617, and F-2623. Also includes 12000uf/80 replacement filter caps with clamps and screws.




 

9090DB Complete Recap Kit- $115
This is a set of components that will allow you to replace all the components that we do during our restoration process on one Sansui 9090DB. In addition to the F-2624 Restoration Kit, includes capacitors to recap the following boards: F-2544, F-2549, F-2617, F-2619, F-2623, F-2653, F-2654, F-2656, and F-2657. Also includes 12000uf/80 replacement filter caps with clamps and screws.




 

 


Socket for Headphones Nut on 4000, 5000, AU – 999 and others – $3.50

After removing these strange headphones nuts for years I decided it was finally time to do something about the lack of a tool to do it. I designed these in tinkercad and I print them in ABS, which is the same thing LEGO is made out of. They work great but they are made of plastic so I wouldn’t expect them to last forever. Priced cheap so you can get a back up! They are designed to fit on any 1/4in driver.

For the sake of Sansui faceplates everywhere I have made the STL available for free here.





9001/8001 Driver Board Holder- $25
We occasionally receive units missing their original driver board holders. I made a 3D model in Tinkercad to print and include in our restorations so we can rest assured that the receiver will return to its owner safely with its driver boards seated. I thought that because it is almost impossible to find this part OEM I might as well put it up for sale on our site. Made of PETG, each holder takes over six hours to print. Slightly differs from the original design to account for the differences in strength between plastic and the original sheet metal. Made of non conductive material, so will not act as a Faraday Cage. This listing is for one driver board holder- multiple holders are shown in the pictures so you can see that our printing is consistent.





Replacement 15000uf/80v Oval Filter Caps- $50/pair

-Out of Stock- 
Found in the AU919 and G9000, we  make these 15000uf/80v oval caps by hollowing out the innards of the original oval caps, inserting modern Nichicon capacitors and reassembling- a pretty lengthy process. A must have for the    AU 919, as the power supply board is mounted directly onto these caps.



7 Amp Fuses for 9090/9090DB $1.75/each
Originally, Sansui used 10 amp fuses for rail voltages on 9090s and 9090DBs, changing to 7 amp fuses when they realized that the higher amp fuses don’t blow even with shorted output transistors; and this can cause major problems. If your 9090 or 9090DB still has the 10 amp fuses we highly suggest swapping them out for the 7 amps. You’ll need four fuses for the 9090, and two for the 9090DB.

 


Amount




8 Volt Fuse Lamps- $2.50/each
These 8v Fuse Lamps are used in the 9090 and 9090DB in the signal strength and tuning meters as well as to illuminate the tuning dial. They can be slightly brighter than the old stock fuse lamps so we recommend replacing them all at once instead of one by one.




 


HA1196 FM Demodulation/PLL Chip- $22.50

This IC Chip can be found on the Tuner Board of the 9090, 9090DB, QRX9001, QRX8001 and other Sansui Models. If you can’t get stereo from your FM signal, you might need a new one of these.





 8/9001 Protection Relay-  $22.50 This is the relay that is on the protection board that often gets blown when the fusible resistors take out your driver board.  Cascading consequences anyone?  Anyway, this one is the right voltage but is the socket mount version also.  Comes with the socket which mounts right on the board.




9090/9090DB Protection Relay- $22.50
The same as above, except for the 9090/9090DB. This relay goes on the protection board and is the socket mount version. Be sure to order the right model’s relay as they are not interchangeable.


Model



 8/9001 LED Dial and Meter Light Bulbs- $8.95/each
These white LED light bulbs are what we use for our LED Conversion service here in the shop. These bulbs will flicker as a replacement to the stock bulb unless the voltage is rectified, which we do during our conversion service, but not for individually sold bulbs. Each bulb comes with the rubber boot the original incandescent QRX9001 bulbs included. You’ll need 5 of these to fully replace your dial and meter lights.





8/9001 Replacement “glass” $49.75
It happens. Sometimes with shipping damage or other mishandling, the front panel on the 8/9001 will get broken or scratched. We’ve had many requests for a suitable replacement. The color is not tinted like the original – it’s clear, but it looks great! These new acrylic panels have protective film on both sides.





Pre / Main RCA jumpers
$17.50 per pair
We use quality 18-gauge insulated wire and Shielded RCA plugs to make these jumpers. The 9090 and 9090DB models require a pair to connect the preamp section to the main amp. If your Sansui is missing these, you won’t hear much!

 

 

 


 30mm/35mm Capacitor Clamps- $7.50/pair
These are the clamps that hold the modern replacement filter caps in many models of Sansuis. These are usually 5-10mm smaller than stock to fit the modern caps. Includes two clamps with two machine screws and nuts.


Size


 


 40mm Used Capacitor Clamps- $6.00/pair
These are the clamps that hold the stock filter caps in most models of Sansuis. Includes two clamps with two machine screws and nuts. Please note that these have been taken from stereos we’ve worked on, and may not be cosmetically identical to the picture.




 


 Replacement Dial Cord- $2.50/ft
On many of these old stereos the dial cord has become frayed or or broken, this is the cord we use in our restorations. We recommend looking up the recommended length in the dial string portion of your manual and adding 1′ to be safe.

Length



 


9090 and 9090db Output Transistors

We restore a lot of 9090’s. Most of them have blown output transistors. This is often caused by the fact that they have been replaced in the past, but were not replaced in matched pairs. These receivers have 4 output devices per channel, in two pairs, where there would normally be single devices. This works well as long as they are balanced. If unbalanced, most of the load goes to one or the other of the pair, and it soon blows again. To get balanced pairs, you have to buy in quantity and measure each transistor and match them up. We recommend that if a pair is blown, you replace all 4. When we have only done one side, we often end up replacing all 4 of them at a later date.

4G9090 Output Transistors – NPN –
MJ21194G matched pair $24.75

It takes two matched pairs of these transistors to repair one output channel on a 9090.




3G Fixed9090db Output transistors – PNP –
MJ21193G matched pair $24.75

For the 9090db you need a pair of these and a pair of the MJ21194G above to repair one channel. The output sections of the 9090 and 9090db are different. Please have a look at the graphics below.





QRX9001 Output Transistors

We find very few blown outputs on the 9001’s. Usually it is caused by the fusible resistors drifting out of range, and causing havoc on the driver board, until eventually something blows there, and often takes the outputs with it. This is a Quasi complementary pair, and no matching is required. However, since these are different types than the originals, if you do blow one of them, you should replace both, as they are designed to work together.

5GQRX9001 Output Transistor, PNP, MJ15025G each $7.50




 

 

4G SingleQRX9001 Output Transistor, NPN, MJ15024G each $7.50




 

Please contact us at Parts@QrxRestore.com with any questions.

 


 

 

MF10T Cabinet Feet- set of 4- $5.50
These are large cabinet feet, suitable for many different Sansuis, including the 9090, 9090DB, 8080, 8080DB, QRX9001, QRX8001 and QRX7001. They are high quality, mountable with a screw, just like the original. These are molded from TPR, or “Thermoplastic Rubber”. These Cabinet Feet provide good traction, excellent shock absorption and unlike natural rubber have good non-marking qualities and outstanding  resistance to stress cracking. 1.125″ X 0.875″.





Needle-Tip Dropper w/ 30ml Corrosion X – $7.00
This is the contact cleaner and lubricant we use in our shop. It removes corrosion and lubricates and continues to work on the part for years. Unlike other brands you won’t be in need of cleaning that pot or switch within a year or two. It really does last a long time. This is a nice applicator bottle, with a syringe, and a soft rubber cap. There is 30 ml in the bottle and this is enough to service many radios. You will love this stuff. The price is for 1 bottle. To see what the company has to say about it, go here.


Replacement Power Meter/Source Indicator Bulbs
Pack of Four-  $6.00
These 6v 65mA “grain of wheat” 3mm mini bulbs are what we use to replace burnt out bulbs on many Sansui power meters; including the 9090, 9090DB, 8080, 8080DB, QRX9001, QRX8001 and QRX7001. You’ll need four bulbs for the 9090, 9090DB, 8080 and 8080DB, and eight bulbs for the QRX9001, QRX8001 and QRX7001. These bulbs can also be used to replace burnt out source indicator lights. As the original rubber boots that held these bulbs in are no longer obtainable, we use a small dollop of silicon rubber to hold them in place.





9090 Replacement Power Switch
$12/each

If this switch is bad on your 9090, you’re not going to get very far. These  7A 125VAC latching push button switches are a drop in replacement for the power  switches found in several Sansui models, including the 9090.





Banana Plug Speaker Jacks
$25/Stereo Pair

These are made to replace Sansui Stock no. 2290190, found in many models including the AU-717 and G-9000. Especially useful for the G-9000, which we often see damaged due to the side placement of its speaker jacks. The heavy-duty, gold-plated, banana-jack binding posts are mounted in a 3D printed model of our own design. We use ABS filament, the same polymer used to make LEGO. You will need a soldering iron to properly attach these.




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