Official UK authorised Pioneer DJ & AlphaTheta service centre | 01277 372321 | Mon, Tue, Thu & Fri 9:00 – 18:00 (closed Wed) | Book a repair

Pioneer DJ Controller Repair
Cosmic Electronics is an official UK authorised service centre for Pioneer DJ and AlphaTheta. We repair and service DDJ controllers under warranty and out of warranty, using genuine parts and approved test procedures, with nationwide coverage.
Controllers we repair
All Pioneer DJ DDJ controllers, including the DDJ-FLX10, DDJ-FLX6, DDJ-FLX4, DDJ-REV7, DDJ-REV5, DDJ-REV1, DDJ-1000, DDJ-1000SRT, DDJ-800, DDJ-400, DDJ-SX3, DDJ-SZ2, DDJ-SR2 and DDJ-RB, plus older models. Not listed? Contact us.
Common faults we fix
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Jog wheel not responding, sticking or drifting
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Crossfader or channel faders crackling or cutting out
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USB not recognised by rekordbox or Serato
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No sound from master, booth or headphone outputs
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Mic inputs not working
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Buttons, pads or LEDs not working
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No power or intermittent power
What our service includes
Button tests, LCD testing (if applicable), LED testing, POT channel testing, jog wheel touch and rotation tests, line fader and crossfader tests, mic and headphone port testing, USB tests and network port testing. We also check the booth and master outputs for uniformity and any irregularity. Faulty parts are replaced with genuine Pioneer DJ / AlphaTheta parts.
Why use an authorised service centre?
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Warranty and non-warranty repairs handled properly
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Genuine Pioneer DJ / AlphaTheta parts, many in stock in our parts store
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Technicians trained on Pioneer DJ equipment
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Repairs carry a 3-month warranty
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50 years of electronics repair experience
How it works
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Book online: choose your equipment type and pick a slot.
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Send us your unit, well packed. Standard insurance covers £50, so ask us if you need more cover.
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We assess it and send you a quote.
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We repair and test it, then send it back.
Book your controller repair online, or contact us on service@cosmic-uk.com / 01277 372321.

