Classic Car Radio Repairs

Classic Car Radio Repairs

Posted by Brad on Dec 15th 2016

Organizations now have all that you require for your antique radio to be reestablished. You can get any component for your particular model and most operations have it all. You'll get the best administration in the business and at costs that you can't beat. So when in need of repairs, search for the best arrangements as far as finding an expert. Custom Autosound, for instance, has all the great parts with regards to radios and speakers. Custom Autosound is one of the main makes in the business. They have practical experience in works of art and reestablished muscle autos. From their driving radios to their speakers, they have it all. Their items are of the most noteworthy quality and are delivered to driving industry norms. Obviously proposals radios are rarely needing repair yet with respect to the original units introduced into your exemplary auto, the reality of the situation will become obvious eventually a toll on them.

How Does a Radio Work?

A radio recipient is an electronic gadget that gets sound signs through a receiving wire, then opens up the subsequent sound and conveys it to your ears through speakers. The signs are either abundant adjusted (AM) or recurrence balanced (FM). Obviously, it's somewhat more muddled than that, however the rest isn't critical to the client.

The radio part of a convenient stereo, clock radio, and table radio is fundamentally the same in every sort of gadget. Subsequently, these units offer a considerable lot of the same issues and repairs. The principle distinction in radios is whether the tuner is simple or computerized. Most tuners now are advanced, yet numerous more established radios still being used have simple tuners. Advanced radios have few effortlessly serviceable parts. Advanced radios are very dependable, yet in the event that a section fails, take the radio to an approved repair center–or reuse it.

What Can Go Wrong with a Radio?

Radios are corded radio recipients and speakers. That implies power wires may eventually require supplanting. Contacts can also be twisted or consumed. A dial line can be broken or the apparatuses stuck. The station marker pointer might be misaligned. Controls and switches might be filthy. Radio wires often break over extended periods of time.

By what method Can I use to Identify a Radio Problem?

On the off chance that the radio won't work, ensure the potheyr is on at the outlet and test the electrical cord and supplant if necessary. If station marker won't move, check the pointer. Less costly radios utilize a station recurrence pointer mounted on a dial rope that is moved by a little wheel in favor of the radio. Better radios utilize a computerized recurrence readout that can't be balanced.

In the event that the sound if fluffy, dismantle the unit and find the volume control (see the Appliance Controls Fix-It Guide); splash electrical contact cleaner into the control and turn or slide the control a few times to grease up the system. Supplant a harmed or broken receiving wire (see beneath).

Why restore your stock radio?

Cruising in an exemplary auto is a rush that's difficult to beat. Part of that satisfaction comes straightforwardly from the radio. The stock radio is a necessary part of the autos inside and can include or degrade esteem depending the state of that radio. Unfortunately these radios are somewhere around 35 and 80 years of age and in urgent need of reestablishing. No less than, each great auto radio ought to have the Electrolytic capacitors supplanted and the tuner cleaned/relubed. Controls wear, part values float and paint drops off. In any case, that tragic old radio can be made to work like new again and look incredible while you are cruising.

What does the typical restoration include?

The accompanying work is typically execute as a major aspect of an essential reclamation bundle:

  • Cleaning the interior of the unit is fundamental.
  • Supplant every single electrolytic capacitor.
  • Supplant all paper capacitors including support capacitor.
  • Test vibrator, supplant with strong state unit if not working.
  • Supplant dial lights.
  • Clean/grease up volume and tone controls.
  • Grease up tuning/push catch systems.
  • Tube set fundamental rebuilding efforts.
  • Transistor set fundamental rebuilding efforts.
  • Administrations that might be required over a fundamental rebuilding to get your radio working:
  • Any wore out resistors or resistors that have changed in quality so much that the set won't work legitimately.
  • Manual tuning grips: this grasp isolates the tuning info shaft from the tuner when a preset catch is discouraged. It's essentially two plates with a grating material in the middle. Regularly, the erosion material has weakened and/or isolated from the face. Vibrators: Installation of an Aurora Design strong state board in the first vibrator that will backpedal inside the can to keep up the first look.
  • Mid '60's Ford radio plastic tuning gears: I at long last made sense of an approach to repair these, supplanting the stripped out plastic "pinion gear" with a metal rigging.
  • Tubes (Note: tubes are once in a while awful).
  • Transistors (Note: some of the time germanium ouput transistors are awful).
  • Replace output transistors
  • 1950's Delco radio "umbilical strings": these are the links secured with steel meshing and associate the radio tuner with the intensifier/power supply. The links take a beating after some time, mostly at the point where the link leaves the radio tuner. The protection covering the wires breaks and a short creates.
  • Potentiometers/switches/controls.
  • Broken control shafts: Caused by the set being dropped or by poor pressing. Repair includes evacuating the harmed get together and repairing or supplanting the broken shaft.

An uncommon note about sure on-off switches and volume/tone control components: if your radio has the sort of switch and control components presented beneath, odds are great that one or a greater amount of these segments are awful. I've seen these appear in a wide range of models of radios from the 1950's and mid 1960's. The switches are utilized as a part of radios with an "OFF" push catch. The potentiometer components are made with a slender layer of carbon material impregnated on a cardboard-like base. These components don't wear well (particularly the volume control because of regular use) contrasted with different producers and the base material is particularly touchy to dampness, control cleaning solvents and so forth. The on-off switch "guts" are mounted on a material that disfigures after some time, creating the contacts to not reach, bringing about overheating/blazing and disappointment. Substitution of these parts is regularly troublesome in light of the fact that they are difficult to find. Some of these parts can be supplanted utilizing more solid segments (CTS, IRC, and so forth.). There are a few applications however where even a substitution is hard to manufacture.

  • Administrations that are totally discretionary (i.e. not expected to get the radio working):
  • Metal case sandblasting/painting
  • Restorative cleaning (handles, push catches, bezels, dials, and so on):
  • Restorative repairs (plastic dial decorate painting, and so on.)
  • Outsider parts: this incorporates establishment of new/propagation dial bezels, push catches, dial lenses, handles, and so on.
  • Outsider administrations: this would incorporate replating. The client is in charge of organizing any plating administrations with their most loved plater. Generally these parts can be expelled early by the client or I can dismantle/evacuate the parts once the radio arrives and ship them back to the client for plating at the client's cost.
  • Dial re-hanging:
  • Mechanical repairs to push catch instruments: decided in light of greatness of issue.
  • Handle/push catch creation: I have the ability of making molds to copy certain handles and push catches (see the "Propelled reclamation systems" page). These handles will be can paint them as required or until you secure a unique. On the off chance that I need to make a handle/push catch without any preparation (I require an example first to make a mold). 

On the off chance that I as of now have a mold:

Repaired Radio Warranty:

Guarantee on repairs for one year from the date of shipment is standard.

Conversions & Upgrades

Audio input jack installation: Installation Aurora Designs' AUX-1 audio input board in your original radio...6 or 12 volts, positive or negative ground.

You simply connect your portable audio player's headphone or line-out jack to the audio input jack. The board can be programmed for audio recognition (VOX) or mode switching via the on-off switch.

You will need to buy a cable with 1/8" stereo male connectors; these are readily available at suppliers like Radio Shack.

FM module add-on:

Installation of the FMC-1 FM module by Aurora Design that can be installed in your original radio, using its' original circuitry.

This module can be installed in tube or transistor type radios, 6 or 12 volt, negative or positive ground.

The module also provides for audio input capability. Switching between AM, FM and aux input is done with the on-off switch.

The FMC-1 comes with a 1/8" female stereo jack installed on the side or back of the case. You will need to buy a cable with 1/8" stereo male connectors; these are readily available at Radio Shack etc. and are typically available in various lengths.

6 volt tube radio conversion to 12 volt negative ground systems:

This for those who wish to run their original 6 volt radio on a 12 volt negative ground system.

The vibrator transformer is rewired and a special vibrator installed, or replaced with a 12 volt transformer unit if available, along with a standard solid state vibrator.

6 volt tubes are replaced with 12 volt equivalents.

Stereo boards:

This upgrade for someone who wants extra power, plans on installing new speakers and wants stereo sound. Often it is the preferred route when the vehicle has been switched to 12 volt negative ground.

I install Aurora Designs' FMR-1 stereo board in ANY radio up to ~1970.

Use your original radio and controls!

The stereo board provides for AM, FM, audio input, stereo sound, and front/rear speaker capability (45 watts per speaker).

Original electronics are removed.

Interfacing the built-in 8-track players to work with the stereo board.

For those who have a radio with a built-in speaker (i.e. many of the Delcos and Mopars) and do not want to install external speakers, the old speaker with an upgraded speaker unit can be replaced. Original speakers cannot handle the power of the stereo board so this is highly recommended.

Aurora Design voltage boosters/inverters (HPC-1) are also available to run your conversion radio with 6 volt systems (positive and negative ground).

The FMR-1 comes with a 1/8" female stereo jack installed on the side or back of the case. You will need to buy a cable with 1/8" stereo male connectors; these are readily available at Radio Shack etc. and are typically available in various lengths.

Here is an FMR-1 board installed in a 1957 Ford Town & Country, configured with the signal seeker functional.

Bluetooth adapters:

I install Aurora Designs' BT-1 Bluetooth adapter. The BT-1 works with the FMR-1 stereo board and provides for the use of a Bluetooth device with your car radio.

Hands-free cell phone calls: when the optional microphone is used and Bluetooth device activated, your radio will switch to the call automatically and return to radio mode automatically when the call is completed.

You can also play stored music or streaming audio via your Bluetooth capable cell phone.

Existing radio controls are used to pair/link, change audio selections, etc.

An optional blue diode is mounted in the dial plate to indicate pairing status etc.

The following are pictures of an FMR-1 and BT-1 installed in a 1949 Chevrolet radio and the radio mounted in a display unit with the optional push button diode installed.

USB adapters:

Aurora Designs now offers the USB-1 adapter that allows you to play music from a thumb drive.

The FMR-1 stereo board must be installed first. The USB-1 adapter will also work with the BT-1 adapter installed.

Aurora Design now offers an integrated Bluetooth/USB board called the BTU-1.


Most radios reestablished by reputible operations like Joe's Classic Car Radio for instance, is come back with a 5 year guarantee. On the off chance that your radio ought to neglect to work in that time, they will repair it at no expense. The guarantee covers all electronic and mechanical parts of the radio except for tubes, belts and 8 track components. Tubes are secured for 1 year and following 1 years the, deficient tubes will be traded for expense of the tube as it were. No extra service charge. 8 Track and tape instruments and belts hold a 90 day guarantee.

Restore over Replace

There are several people and radio repair shops endeavoring to give fast and shabby repairs. While a modest cost might be inticing, these people and shops do not have the fundamental hardware and experience to give an enduring exemplary auto radio reclamation. they have the information and specialized capacities to hand assemble and outline new parts and they realize what it takes to take care of business right. Don't hazard your valuable radio on a shoddy repair! Send your radio for the best administration accessible.

Antique Automobile Radio Repair

Organizations have been spend significant time in antique auto radio repairs for more than 16 years. Repair and reclamation is something they do each day and they adore doing it. Using today's innovation wedded with yesterdays craftsmanship, they are certain you will locate no other repair office of equivalent worth to you. they have performed many repairs and rebuilding efforts on radios of all shapes and sizes. From the invaluable treasure or the extremely uncommon antique to the exceptionally fundamental radio, they will chip away at all of them. Give us a chance to show what they can accomplish for you!

"Radio was the impetus of creative energy. One could do actually anything through this medium. By leaving the creative energy to the audience, radio turned into a domain of conceivable outcomes. It was in this environment that the inconceivable occurred." (Old Time Radio)

Our general repair administration for auto radios incorporated the accompanying things:

They benefit your tuner and push catch system including its modification and grease. The AM and FM radio recurrence is adjusted along with, moderate recurrence, oscillator, sound intensifier and stereo multiplex hardware after repair and substitution of imperfect parts. The sound yield inclination voltages is adjusted to the component determined settings, clean or supplant scratchy volume controls, introduce new dial lights and buff and clean chrome and plastic dial plates.

On the off chance that you have a unit with a Wonderbar sort programmed tuning instrument, they dismantle it to clean (counting the velocity senator component), grease up and modify lever and switch trip focuses and clean hand-off and switch contactors.

In the event that your radio uses a mechanical vibrator to produce its tube voltages, they supplant the support capacitors, test the vibrator and supplant it with a strong state unit as important to guarantee a long and dependable administration life.

They will dismantle your 8 track or tape cassette deck, clean basic zones, alter mechanical and electrical focuses and grease up the unit. they likewise change the physically and electrically spilling capacitors in the engine speed controller, pre-intensifier and principle enhancer organizes and put in new drive belts as required.

In summation, they examine each phase of your unit for right operation!

Improved reclamation administrations are accessible which incorporate case cleaning, dial face propagation and case painting.

It would be ideal if you get in touch with the company with your particular solicitations.

FM/Audio Imput Module Upgrade – New Innovation from D&M Restoration (This is excluded in our benchmark repair/reclamation – This overhaul is an alternate expense contingent upon your radio.)

FMR-1 collector PCB — In terms of restoration, this is the hottest product on the market. In case you're acquainted with the "other" stereo transformation PCB, contrast it and this one — you'll be shocked! Better gathering, more elements, no clever bugs or quirks — your radio will have a refined "vibe" to it. This item is introduced in your original radio. Not at all like those costly "repro radios", your radio won't just look, however feel unique. No chintzy engine driven dial pointers; you're tuning handle, pushbuttons, Rotomatic, Wonderbar, Town and Country, or other component will work simply as it did some time recently, in FM mode and in addition AM. The radio has a striking resemblance (with a couple of upgrades) yet has FM Stereo, and endlessly enhanced sound quality. Put present day sound in your auto without trading off the presence of the dash. The new FMR-1 Receiver PCB is ideal for stereo transformation.

This entry was posted in Classic Radios on July 12, 2016 by brad.