SOUND SOLUTION AUDIO REPAIRS · BRISTOL
DJ & Audio Repair Guides
Practical advice on faults affecting DJ players, club mixers, controllers and classic Technics turntables. Learn what the symptoms mean, which checks are safe, and when professional repair makes sense.
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Technics SL-1200 and SL-1210 History: From 1972 to the MK7
Few pieces of audio equipment have earned the reputation of the Technics SL-1200 and SL-1210. Built to be dependable hi-fi turntables, they became the standard deck in clubs,…
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Pioneer DJ CDJ-2000NXS2 Emergency Loop Error – Causes and Repairs
Pioneer DJ CDJ-2000NXS2 showing Emergency Loop? See how USB media, damaged files and Pro DJ Link interruptions can trigger it, and which safe checks to try first.
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Technics SL-1200 Pitch Drift – Causes, Checks and Repair
Technics SL-1200 pitch drifting during a mix? Learn how a worn slider, quartz lock behaviour and speed regulation differ, how to observe the fault and repair options.
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Pioneer DJ DJM-900NXS2 Beat FX Cutting Out – Level/Depth Knob Repair
DJM-900NXS2 Beat FX dropping out as you turn Level/Depth? Learn how effect assignment, channel selection and a worn rotary control differ, plus safe checks before repair.
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Allen & Heath Xone:92 Filter Not Working – HPF, Band Reject and Resonance Faults
Xone:92 filter cutting out, self-oscillating or acting oddly? Separate normal HPF, LPF and resonance behaviour from genuine filter faults, with safe checks and workshop repair explained.
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Pioneer DJ CDJ-3000 Jog Wheel Problems – Vinyl Mode, Cue Response and Jog Adjust
CDJ-3000 jog wheel misbehaving? Compare VINYL mode, touch detection, cue response and JOG ADJUST settings, so you can tell configuration issues from a possible hardware fault.
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Technics SL-1200 Tonearm Replacement – Tracking, Bearings and Alignment
Technics SL-1200 tonearm bent, sticky or losing channels? Learn how bearing wear, tracking problems and signal faults show up, and when professional tonearm replacement makes sense.
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Pioneer DJ DDJ-1000 Jog Wheel Touch Problems – Vinyl Mode and Repair
DDJ-1000 jog wheel not responding to touch in Vinyl mode? Check rekordbox settings, firmware and connections, then learn how technicians diagnose jog sensing faults properly.
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Pioneer DJ DJM-900NXS2 Channel Fader Repair – Dropouts, Bleed and Uneven Level
DJM-900NXS2 channel fader crackling, cutting out or letting sound bleed through? Check fader curve and routing first, then see how a worn fader is assessed and replaced.
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Technics SL-1200 Drink Spill in the Pitch Fader – Damage and Repair
Spilled a drink into your Technics SL-1200 pitch fader? Learn why you should not power it on, what residue does to the slider and how repair works.
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Denon DJ PRIME 4 Jog Wheel Touch Problems – Vinyl Mode and Repair
Denon DJ PRIME 4 jog wheel touch unreliable or tension uneven? Compare Vinyl mode, touch detection and nudge sensitivity to separate settings from a genuine hardware fault.
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Pioneer DJ CDJ-2000NXS2 Black Screen – Display and Startup Repair
CDJ-2000NXS2 screen staying black or stuck at startup? Learn to tell a display fault from a power or boot problem, which safe checks to try, and repairs.
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Technics SL-1200 Erratic Speed When Warming Up – Causes and Repair
Technics SL-1200 speed changing once the deck warms up? Learn what temperature-related drift suggests about the speed control circuit, how to record the symptom and repair options.
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Pioneer DJ DJM-900NXS2 Pro DJ Link Not Working – Network Checks and Repair
DJM-900NXS2 not seeing players over Pro DJ Link? Check LAN cables, switches, player numbers and firmware, then learn when the mixer’s LINK port or electronics needs assessment.
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Allen & Heath Xone:92 Channel Not Working With Hum – Faults and Repair
Xone:92 channel silent or humming? Check source, input selection, gain and cabling first, then see how a channel signal-path fault is traced and repaired in the workshop.
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Pioneer DJ DDJ-SX3 Jog Wheel Not Working in Vinyl Mode – Repair Guide
DDJ-SX3 jog wheel not scratching or stopping in Vinyl mode? Compare Serato DJ Pro settings, jog touch behaviour and connections before deciding the controller needs hardware repair.
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Pioneer DJ CDJ-2000NXS2 Touchscreen Not Responding – Repair Guide
CDJ-2000NXS2 touchscreen ignoring taps or responding in the wrong place? Separate touch panel, display and software problems with safe checks, and see how repair is assessed.
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Technics SL-1200 Pitch Fader Replacement – Symptoms, Parts and Calibration
Technics SL-1200 pitch fader scratchy, jumpy or uneven? Learn the signs of a worn slider, why the correct replacement part matters and how recalibration follows.
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Pioneer DJ DJM-800 Channel 4 Sound Leaking – Fader Bleed and Repair
DJM-800 channel 4 audible with its fader closed? Check input selection, crossfader assignment and monitoring first, then learn how channel bleed is traced and repaired professionally.
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Denon DJ PRIME 2 Jog Wheel Not Working in Vinyl Mode – Repair
Denon DJ PRIME 2 jog wheel not responding in Vinyl mode? Check touch sensitivity, settings and power-up behaviour, then see when electronic or mechanical repair is needed.
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Technics SL-1200 Broken Headshell Connector – Audio Dropouts and Repair
Technics SL-1200 losing a channel or crackling at the headshell? Check the cartridge and headshell contacts safely, and learn how a worn tonearm connector is properly repaired.
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CDJ-3000 Touch Preview and Touch Cue Not Working – Pro DJ Link Checks
CDJ-3000 Touch Preview or Touch Cue silent? Check Pro DJ Link, a compatible mixer, LINK CUE monitoring and firmware before suspecting a fault with the player itself.
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Technics SL-1200 RCA (Phono) Lead Replacement – Hum and Missing Channels
Technics SL-1200 hum, a missing channel or crackle from the phono leads? Learn the signs of worn RCA cables and plugs, safe checks and when rewiring helps.
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Pioneer DJ DJM-900NXS2 USB Audio Noise – Hiss, Buzz and Computer Setup
Hiss, buzz or noise when using DJM-900NXS2 USB audio? Check drivers, sample rate, cables and ground loops, then learn when the mixer’s USB interface needs repair.
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Allen & Heath Xone:92 Scratchy Pots – Crackling Rotary Controls and Repair
Xone:92 knobs crackling or cutting in and out when turned? Learn why rotary pots wear, which controls are usually affected and how cleaning or replacement is decided.
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Pioneer DJ DDJ-1000SRT Jog Wheel Touch Problems – Serato Repair
DDJ-1000SRT jog wheel not stopping or scratching properly in Serato DJ Pro? Check Vinyl mode, jog feeling settings and firmware before booking a jog sensor repair.
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Pioneer DJ CDJ-2000NXS2 Main Board (PCB) Repair – Diagnosis
Suspect a main board fault in your CDJ-2000NXS2? Learn which symptoms point to the main PCB, what to rule out first and how board-level repair is assessed.
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Technics SL-1210MK5 Speed Problem – Quartz Lock, Pitch and Repair
Technics SL-1210MK5 not holding speed or pitch? Learn how quartz lock, the pitch control and speed circuitry behave, what to check safely and how repairs are approached.
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Pioneer DJ DJM-600 Fader and Pot Repair – Scratchy Controls and Dropouts
Classic DJM-600 crackling, cutting out or losing channels? Learn how worn faders, EQ and gain pots cause typical faults and how restoration repair brings it back.
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Wobbly Jog Wheel on Pioneer DJ Controllers – Causes and Repair
Jog wheel wobbling or rubbing on a Pioneer DJ controller? Learn how scratching and transport loosen jog assemblies, what to check safely and how they are refitted.
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Technics SL-1200 Power Transformer Failure – No Power and Diagnosis
Technics SL-1200 completely dead or blowing fuses? Learn how power transformer failure differs from switch, fuse and supply faults, and why mains repairs need a professional.
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CDJ-2000NXS2 Jog Adjust Knob Fault – Stiff or Loose Jog Wheel
CDJ-2000NXS2 JOG ADJUST knob not changing jog tension, slipping or feeling loose? Learn the typical mechanical causes, safe checks and how the jog assembly is repaired.
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Technics SL-1200 Earth Wire Replacement – Turntable Hum and Grounding
Technics SL-1200 humming through the mixer? Check the earth wire connection and phono setup safely, then learn when a broken or missing earth lead needs replacing.
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Pioneer DJ DJM-700 Channel 4 Sound Leaking – Audio Bleed Repair
DJM-700 channel 4 leaking audio with its fader down? Check routing, crossfader assignment and source levels first, then learn how channel bleed in this mixer is repaired.
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Allen & Heath Xone:96 Servicing and Repair – Filters, Faders and USB
Xone:96 filters, faders or USB audio misbehaving? Learn the common service needs of this analogue mixer, sensible external checks and what a professional service covers.
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Pioneer DJ DDJ-FLX Series Jog Wheel Problems – Model-Specific Checks
DDJ-FLX controller jog wheel not responding as expected? Compare jog modes, software settings and model differences across the range before booking a controller jog repair.
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CDJ-3000 rekordbox Tracks Not Loading – USB Export and Library Fixes
CDJ-3000 refusing to load rekordbox tracks from USB? Check export settings, file formats, drive format and library errors before suspecting a fault with the player.
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Technics SL-1210M3D Pitch Control Repair – Reset and Speed Faults
Technics SL-1210M3D pitch control misbehaving or speed resetting? Learn how this model’s pitch section differs, what to check safely and how the fault is repaired.
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Pioneer DJ DJM-900NXS USB Audio Noise – Interface and Routing Faults
Noise when using the DJM-900NXS as a USB soundcard? Check drivers, routing, cables and grounding, then learn when the mixer’s audio interface needs a repair.
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Allen & Heath Xone:42 Servicing and Repair – Filters and Channel Controls
Xone:42 filters or channel controls crackling, dropping out or noisy? Learn the usual wear points on this compact mixer, safe checks and what servicing involves.
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Technics SL-1200 Strobe Light Replacement – Faults and Safe Diagnosis
Technics SL-1200 strobe light dim, flickering or out? Learn why it matters for checking platter speed, what to check safely and how the lamp is replaced.
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Pioneer DJ CDJ-2000NXS Jog Adjust Knob Fault – Stiffness and Repair
CDJ-2000NXS jog tension stiff, loose or not adjusting? Learn how the JOG ADJUST mechanism wears on this model, safe checks and how the jog assembly is repaired.
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Technics SL-1200 Pitch Calibration at 0% – Quartz Lock Checks
Technics SL-1200 not holding true speed at 0% pitch? Learn how quartz lock and strobe checks reveal calibration errors, and why internal adjustment needs a technician.
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Pioneer DJ DJM-500 Fader and Pot Repair – Age-Related Mixer Faults
Ageing DJM-500 crackling, losing channels or with worn faders? Learn the typical wear faults on this classic mixer and how a careful restoration repair is approached.
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Allen & Heath Xone:62 Servicing and Repair – Filters, Faders and Pots
Xone:62 filters, faders or pots crackling or cutting out? Learn the common wear points on this analogue club mixer, safe checks and what a full service involves.
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Pioneer DJ DDJ-SX2 Jog Wheel Not Working in Vinyl Mode – Repair
DDJ-SX2 jog wheel not stopping or scratching in Vinyl mode? Check Serato DJ Pro settings, touch response and connections before booking a hardware repair for the controller.
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Pioneer DJ CDJ-2000 Jog Adjust Knob Returning to Zero – Repair
CDJ-2000 JOG ADJUST knob springing back to zero? Learn about the known jog holder weakness on early units, the parts involved and how the repair is done.
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Technics SL-1200 Target Light Replacement – Pop-up Stylus Lamp Repair
Technics SL-1200 pop-up target light not lighting or not rising? Learn the difference between a failed lamp and a mechanical fault, and how it is repaired.
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Pioneer DJ DJM-250MK2 Channel Not Working – Input and Fader Checks
DJM-250MK2 channel silent or intermittent? Check input selection, source and cables first, then learn how faulty faders, switches or the signal path are diagnosed and repaired.
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Allen & Heath Xone:DB4 Servicing and Repair – Digital FX and Audio Routing
Xone:DB4 effects, routing or controls misbehaving? Learn what to check in settings and firmware, which faults need a workshop, and what servicing this digital mixer involves.
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Technics SL-1200 D301 Replacement – Component Identification and Diagnosis
Technics SL-1200 speed instability linked to D301? Learn what this component does in the speed circuit, why it is checked during diagnosis and how replacement is assessed.
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CDJ-900, CDJ-850 and XDJ-1000 Jog Wheel Repair – No JOG ADJUST Knob
CDJ-900, CDJ-850 or XDJ-1000 jog wheel faulty? These models have no JOG ADJUST knob, so learn their different jog mechanism, safe checks and repair options.
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Technics SL-1200 Pitch Calibration at ±3.3% – Strobe Checks
Technics SL-1200 strobe dots drifting at ±3.3% pitch? Learn what these fixed pitch points reveal about calibration, how to observe them safely and how adjustment is done.
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Pioneer DJ DDJ-SX Jog Wheel Not Working in Vinyl Mode – Original SX
Original DDJ-SX jog wheel not stopping or scratching in Vinyl mode? Check Serato DJ Pro settings, touch response and connections before booking a controller hardware repair.
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Technics SL-1200 AN6680 / AN6682 IC Replacement – Servo Circuit Assessment
Technics SL-1200 speed faults persisting after other checks? Learn the role of the AN6680 and AN6682 servo ICs, how they are tested and when replacement is justified.
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Technics SL-1200 Pitch Calibration at ±6% – Range and Strobe Response
Technics SL-1200 wrong at ±6% pitch even when 0% is correct? Learn what the ±6% strobe points reveal about pitch range calibration and how it is corrected.
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Early Technics SL-1200MK2 Pitch Board Differences – Parts and Repair
Working on an early Technics SL-1200MK2? Learn why its pitch board differs from later revisions, how that affects calibration and parts, and what repair involves.
Can’t find your particular fault?
Tell Ned the make, full model and symptoms. A sensible repair begins with the right questions and a careful assessment.