Vintage, Hi-Fi and Audio Amplifier Repair

Repair services for vintage amplifiers, Hi-Fi systems, and audio equipment from various brands and generations.

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Vintage Amplifier and Hi-Fi Equipment Repair

At Retrorepair, we provide professional diagnosis and repair services for vintage amplifiers, Hi-Fi systems, and audio equipment from a wide range of brands and generations. The work showcased on this page represents examples of the services we provide, including fault diagnosis, electronic circuit repair, component replacement, and the restoration of equipment affected by wear, corrosion, or component ageing.

Component-Level Audio and Hi-Fi Repair

Our work focuses on electronic diagnosis and repair at circuit and component level whenever a technically viable repair is possible, rather than replacing complete assemblies unnecessarily.

Equipment We Diagnose

  • Integrated amplifiers, receivers and power amplifiers
  • Preamplifiers and control units
  • Cassette decks and other tape equipment
  • Turntables and music centres
  • CD players, tuners and remote controls
  • Other vintage and modern Hi-Fi equipment

Typical Faults

  • No power or protection mode
  • One channel missing or intermittent
  • Distortion, excessive noise or hum
  • Power supply and output-stage failures
  • Corrosion and ageing-related faults
  • Faulty controls, switching circuits and displays

Not every fault can be assessed remotely. Repairability, required work and cost are determined only after physical inspection and electronic diagnosis of the equipment.

Bang & Olufsen MCP5500
Before Corrosion on the Bang & Olufsen MCP5500 remote control circuit board Corrosion on the Bang & Olufsen MCP5500 remote control circuit board Corrosion on the Bang & Olufsen MCP5500 remote control circuit board
After Bang & Olufsen MCP5500 remote control circuit board after cleaning and corrosion removal Bang & Olufsen MCP5500 remote control circuit board after cleaning and corrosion removal Bang & Olufsen MCP5500 remote control circuit board after cleaning and corrosion removal
Bang & Olufsen Remote Control Completed

Bang & Olufsen MCP5500 - Remote control not working

Repair of MCP5500 remote control, completely inoperative.

Problem

Severe corrosion on the remote control's main circuit board. Burnt-out display.

Solution

Cleaning and removal of existing corrosion from the board, and replacement of components damaged by corrosion. Replacement of the numeric display.

Repair of Vintage Amplifiers and Hi-Fi Equipment

Retrorepair performs diagnostics and repairs on vintage amplifiers, Hi-Fi systems, and audio equipment across various brands and generations. We specialize in identifying electronic faults, repairing circuits, replacing components, and restoring equipment suffering from issues related to power supply, audio output, distortion, noise, or general malfunctions.

Each unit undergoes an individual assessment to pinpoint the source of the fault and determine the most appropriate repair solution. We accept equipment from a wide range of brands and models, spanning everything from classic units to more modern audio gear.

Categories
Recent Repairs
ASUS ROG Maximus VII Gene with damaged PCIe x16 slot
Motherboard ASUS — Damaged PCI-E slot

Motherboard

Nintendo Game Boy not working
Nintendo Game Boy Console — Not working

Console

Bang & Olufsen MCP5500 Not Working
Bang & Olufsen MCP5500 - Not working

Remote Control

Do you have faulty audio equipment?

Contact us to arrange diagnosis or repair. Quotes are provided after physical inspection of the equipment.

Contact Retrorepair Vintage & Modern Audio

How the Repair Process Works

Each piece of audio equipment is handled individually because similar symptoms can have very different electronic causes.

1. Contact

Tell us the make, model and symptoms of the equipment.

2. Inspection

The unit is received and physically inspected before electronic diagnosis begins.

3. Diagnosis & Quote

The fault and repair feasibility are assessed. A quote is provided after diagnosis.

4. Repair & Testing

Approved work is completed, including adjustments or calibration when required, followed by functional testing.

Audio and Hi-Fi Repair Service in Portugal

Retrorepair provides diagnosis and repair services for customers throughout Portugal. Equipment can be sent for assessment when personal delivery is not practical. Contact us before shipping so the equipment, fault description and return details can be correctly identified.

Repairs are accepted according to technical feasibility. Parts availability, previous repair attempts, corrosion and physical damage can affect whether a repair is possible.

Need an audio equipment diagnosis?

Contact Retrorepair with the make, model and symptoms.

Contact us

Frequently Asked Questions

Do you repair vintage amplifiers and Hi-Fi equipment?

Yes. We diagnose and repair vintage and modern audio equipment, subject to the technical condition of the unit and the availability of suitable parts.

Can you give me a repair price before seeing the equipment?

No. A reliable quote requires physical inspection and electronic diagnosis of the equipment.

Do you replace individual electronic components?

Yes. Whenever technically appropriate, repairs are carried out at component level instead of replacing complete boards or assemblies.

Can I send equipment from another part of Portugal?

Yes. Equipment may be sent for assessment. Contact us before shipping and pack the equipment securely for transport.

Do you repair equipment that has already been worked on?

Yes, but previous interventions, missing parts or damage caused by earlier repair attempts may affect the diagnosis and technical feasibility of the repair.