science lab equipment manufacturer

Consumer Electronics Workshop

Consumer Electronics Workshop Lab Equipment Manufacturer, Supplier and Exporter in India

Ray Export is a leading manufacturer and supplier of Consumer Electronics Workshop in India,

Quick answer. Approve this list against your syllabus and each unit's fault-insertion facility, not against the specification. A servicing trainer is worth almost exactly what its fault insertion is worth: a working television on a frame teaches a student to watch television, and the learning happens when a fault is present, a symptom is observed and a measurement settles it. So ask, for every code from TCEW-0001 to TCEW-0014, how many faults can be introduced and how, whether an instructor fault key exists, and whether a student can be examined on it. Then check each subject is still examined, because some products here are no longer commercially live.

What this range is for

These fourteen units, coded TCEW-0001 to TCEW-0014, equip a consumer electronics servicing workshop: the trade of finding and repairing faults in finished domestic products rather than studying electronics theory. The range covers television in both tube and flat-panel form, radio and audio, a power amplifier, DVD and CD players, a mobile phone trainer, CCTV and video-door security, a public address system, a PABX exchange, a fire alarm system and a split air conditioner. The subjects are chosen so that a student meets a mains-powered chassis, a low-voltage signal chain, a wired installation and a sealed consumer product in the same workshop.

The question that decides whether this range is right for you is not the specification; it is your syllabus. Several of these subjects are still examined in national trade curricula and several are no longer commercially live. Read the two sections below before approving a list, because the difference between a trainer that teaches a transferable skill and one that teaches a dead product is not visible on a quotation.

What is in the range

CodeUnitWhat a student practises on it
TCEW-0001Mobile phone trainerBlock-level diagnosis, charging and power paths, display and connector faults
TCEW-0002, TCEW-0006CCTV security system kits, one with a video door phoneCamera and monitor installation, cabling, power distribution, recording
TCEW-0003Public address system unitMicrophone and line inputs, mixing, impedance matching, speaker lines
TCEW-0004PABX trainerExtension wiring, trunk lines, numbering and call routing
TCEW-0005Fire alarm system kitZones and loops, detectors, sounders, panel indications and fault conditions
TCEW-0007DVD and CD player training systemOptical pickup, servo and tracking, decoding, power supply faults
TCEW-0008, TCEW-0010Colour television trainers, tube and LCDSignal chain from tuner to display, power supply, backlight or EHT faults
TCEW-0009, TCEW-0011HI-FI and AM-FM radio training systemsRF front end, mixing and detection, audio stages, alignment
TCEW-0012Power amplifier training systemGain stages, output devices, distortion, protection and thermal behaviour
TCEW-0013Fax machine trainerScanning, printing mechanism and line interface of a legacy office product
TCEW-0014Split air conditioner trainerRefrigeration cycle, electrical control, compressor and fan faults

The Fault-Insertion Test

A servicing trainer is worth almost exactly what its fault-insertion facility is worth. A working television on a frame teaches a student to watch television. The teaching happens when a fault is present, the symptom is observed, a hypothesis is formed and a measurement settles it. So before comparing prices, put every unit on this page through four questions.

QuestionWhy it decides the purchase
How many faults can be introduced, and how?A switch bank behind a locked panel is repeatable and safe; pulling components is realistic but destroys the trainer over a few years. Ask which, and how many switched faults there are
Is there a fault key for the instructor?Without a documented list of faults and expected symptoms, the instructor cannot set work or mark it consistently
Can a student be examined on it?A trainer that cannot be set to an unknown state cannot be used for assessment, which is half of what a trade workshop needs
What are the test points, and what instrument is needed at each?Decides what else you must buy; several units here need an oscilloscope rather than a multimeter

Test and measurement equipment is listed separately in the test and measurement workshop range. Buy it in the same order, because a servicing workshop with trainers and no instruments cannot run a single practical.

The bench matters as much as the trainer

Three things belong on every bench in this workshop before a trainer is placed on it.

An isolating transformer. Some mains-powered consumer chassis are not isolated from the supply, and on such a set the chassis itself can sit at mains potential. Working on a non-isolated chassis with earthed test equipment is how both the student and the oscilloscope get damaged. An isolating transformer at each bench removes that path, and a variable transformer is useful alongside it for low-voltage start-up testing; these are listed under variable transformers.

Soldering with extraction, and the right iron for the job. Through-hole work on a television chassis and rework on a phone board are different trades: the second needs a temperature-controlled iron, hot air and a fume extractor, and in practice a microscope. Soldering and desoldering stations are listed separately. Rosin-cored solder fume is a respiratory sensitiser, which is why extraction is not optional.

Earth-leakage protection and a visible emergency stop. Everything on this page except the trainers themselves runs from the mains, and students are deliberately being asked to probe live equipment under supervision.

Three units that need more care than the rest

The tube television, TCEW-0008. A cathode ray tube set contains an extra-high-tension supply at tens of kilovolts, and the tube behaves as a capacitor that can hold a dangerous charge after the set is switched off and unplugged. Nobody should work inside one until they have been taught the discharge procedure and have seen it done. The tube is also an implosion risk and must never be handled without eye protection, and at end of life it is leaded glass and a controlled waste in most countries. None of this is a reason to avoid a CRT trainer - it remains one of the best platforms there is for teaching high-voltage discipline and an analog signal chain - but it is a reason to confirm that your instructor is competent to teach on it and that a discharge tool is supplied with the unit.

The mobile phone trainer, TCEW-0001. Be clear about what it is. Board-level phone repair as practised commercially needs microsoldering under a microscope, hot air, a stable supply with current display, and a supply of parts; a mobile phone trainer is a teaching platform for the architecture and the common faults, not a substitute for that bench. Ask what is included, what is demonstrated and whether the unit uses a current handset architecture. And set the battery rule in writing before students touch it: a lithium cell that is punctured, crushed or shorted vents and burns, and it cannot be put out by smothering it the way a small electrical fire can. Practice batteries should be removed from sets where the exercise does not need them.

The split air conditioner trainer, TCEW-0014. This unit is really a refrigeration trainer and sits in this listing only because it is a domestic appliance. It brings three requirements with it. First, ask which refrigerant it is charged with before ordering: ozone-depleting refrigerants are being withdrawn under the Montreal Protocol and high global-warming refrigerants are being phased down under its Kigali Amendment, on timetables that differ by country, and a trainer charged with a refrigerant you cannot buy locally will be hard to recharge for its whole life. Second, ask whether your institution has anyone qualified to handle refrigerant, and whether a recovery machine, vacuum pump and gauge set are included or extra. Third, if the exercises involve brazing, that is hot work needing its own area, ventilation and a nitrogen purge rather than compressed air. Related electrical trainers are listed in the electrical and electronics workshop range.

Which of these subjects is still worth teaching

We would rather say this plainly than sell a unit that will sit unused. Judge each subject against the syllabus you are funded to deliver, not against what looks modern.

UnitHonest position in 2026
Fire alarm, PA, CCTV, PABXCommercially live trades. Installation and maintenance work exists now, and these four are the most employable subjects on the page
LCD television, power amplifier, mobile phoneCurrent products. Flat-panel power supplies and backlights are the commonest television repair in the field today
AM-FM radio, HI-FI, CRT television, DVD and CDStill examined in many trade curricula and excellent for teaching fundamentals, but the products themselves are legacy. Buy them because the syllabus requires them or because they teach a principle well, not as preparation for a repair market
Fax machineObsolete as a consumer product. Worth buying only if an examination specification still names it

Two further points on the CCTV and PABX units, because the technology moved underneath both. Ask whether the CCTV kit is analog or network based: a programme that teaches IP cameras, power over Ethernet and a network video recorder needs network equipment, which is listed under the information technology workshop range. Ask the same of the PABX: an analog exchange teaches extension wiring and call routing well but teaches nothing about voice over IP. For transmission and signalling subjects proper, see the communications workshop range, and for electronics fundamentals at board level, basic electronics trainers.

Export and ordering

Broadcast standard, not just voltage. A television or radio trainer is built for a region. Analog colour standards differ, and so do digital terrestrial standards, so a set configured for one region cannot demonstrate reception in another even though it will switch on. Tell us the destination country and whether the exercises need live off-air reception or a pattern generator, because a pattern generator removes the problem entirely and is often the better answer for a classroom.

Also confirm on the quotation: nominal voltage, frequency and plug pattern for every unit; refrigerant type for TCEW-0014 and whether recovery equipment is included; whether lithium cells ship with the phone trainer, since they are a dangerous good and need their transport test documentation; the fault-insertion arrangement and instructor fault key for each trainer; consumable and spare prices, which on this range means lamps, fuses, belts, optical pickups and solder; and the warranty and commissioning terms. For any certification stated for an item here, contact us for the latest copies of the relevant certificates before you tender on it.

This page is one of the workshops in the workshop training equipment range; the nearest alternative range of bench trainers for the same subjects is consumer electronics trainers. For a quotation, tell us the destination country, the supply at the bench, how many students work in one session and the syllabus or tender specification you are working to.

Frequently asked questions

What should we check before buying a consumer electronics servicing trainer?

Four questions for every unit. How many faults can be introduced, and how: a switch bank behind a locked panel is repeatable and safe, while pulling components is realistic but wears the trainer out over a few years. Is there an instructor fault key listing the faults and expected symptoms, so work can be set and marked consistently? Can a student be examined on it, by setting it to an unknown state? And what are the test points and the instrument needed at each - several units here need an oscilloscope rather than a multimeter, so order test equipment at the same time.

Which of these subjects are still worth teaching?

Judge each against the syllabus you are funded to deliver. Fire alarm, public address, CCTV and PABX are commercially live installation and maintenance trades and the most employable subjects here. The LCD television, power amplifier and mobile phone trainer cover current products. AM-FM radio, HI-FI, the CRT television and the DVD and CD player are legacy products, still examined in many trade curricula and good for fundamentals. The fax machine trainer is worth buying only if an examination still names it. Ask too whether the CCTV kit is analog or network based, and note an analog PABX teaches nothing about voice over IP.

What does each workbench in a consumer electronics workshop need?

Three things before any trainer is placed on it. An isolating transformer, because some mains-powered consumer chassis are not isolated from the supply and can sit at mains potential; probing one with earthed test equipment damages both student and oscilloscope. Soldering with fume extraction and the right iron: through-hole television work and phone board rework are different trades, the second needing a temperature-controlled iron, hot air and in practice a microscope, and rosin-cored solder fume is a respiratory sensitiser. And earth-leakage protection with a visible emergency stop, since students probe live equipment under supervision.

Is the tube television trainer TCEW-0008 safe for students?

It can be taught safely, with preparation. A cathode ray tube set has an extra-high-tension supply at tens of kilovolts, and the tube behaves as a capacitor that can hold a dangerous charge after the set is switched off and unplugged. Nobody should work inside one until they have been taught the discharge procedure and seen it done. The tube is also an implosion risk, so eye protection is mandatory, and at end of life it is leaded glass and controlled waste in most countries. Confirm your instructor is competent to teach on it and that a discharge tool is supplied.

What should we ask before ordering the split air conditioner trainer TCEW-0014?

Treat it as a refrigeration trainer, because that is what it is. First, ask which refrigerant it is charged with: ozone-depleting refrigerants are being withdrawn and high global-warming refrigerants phased down on timetables that differ by country, and a trainer charged with a refrigerant you cannot buy locally will be hard to recharge for its whole life. Second, check your institution has someone qualified to handle refrigerant, and whether a recovery machine, vacuum pump and gauge set are included or extra. Third, any brazing is hot work needing its own area, ventilation and a nitrogen purge rather than compressed air.

Will a television or radio trainer work in our country?

It will switch on, but it may not receive. Television and radio trainers are built for a region: analog colour standards differ, and so do digital terrestrial standards, so a set configured for one region cannot demonstrate reception in another. Tell us the destination country and whether the exercises need live off-air reception or a pattern generator; a pattern generator removes the problem entirely and is often the better classroom answer. Confirm the nominal voltage, frequency and plug pattern for every unit on the quotation, and whether lithium cells ship with the phone trainer, since they need transport test documentation.

Key takeaways

  • Fault insertion is the value: switched faults behind a locked panel, an instructor fault key, and the ability to examine a student.
  • Buy the instruments in the same order: several trainers need an oscilloscope, and a workshop without instruments cannot run a practical.
  • An isolating transformer at every bench: some consumer chassis sit at mains potential.
  • Teach to the syllabus, not the look: fire alarm, PA, CCTV and PABX are live trades; fax is obsolete.
  • The phone trainer is a teaching platform: not a microsoldering bench, and a punctured lithium cell vents and burns.
  • Specify the broadcast standard: or use a pattern generator so reception does not depend on region.

About this page

Ray Export is a manufacturer and exporter of laboratory, scientific and educational equipment based at Plot No. 449, HSIIDC Industrial Area, Saha, Ambala, Haryana 133104, India. Enquiries: [email protected], +91-9817319615.

Written by Palak Mall, Senior Content Writer. Technically reviewed by Arvind Kumar, Lab Equipment Specialist, 12+ years in laboratory and testing instrumentation. Last updated: 17 October 2026.

Specifications for each trainer - fault-insertion arrangement and number of faults, instructor fault key, test points, broadcast standard, refrigerant type and recovery equipment, battery arrangement and supply voltage - are confirmed in writing on the quotation. For transport, safety or other certificates, standards or approvals, contact us for the latest copies of the relevant certificates. No price is quoted on this page. Listing note: the split air conditioner TCEW-0014 is a refrigeration trainer filed here because it is a domestic appliance; the fax machine trainer TCEW-0013 covers an obsolete product; and the same subjects also appear as bench trainers in the consumer electronics trainers range, so compare both before ordering.

Mobile Phone Trainer

TCEW-0001

Mobile Phone Trainer

CCTV Security System Training Kit

TCEW-0002

CCTV Security System Training Kit

PA System Training Unit

TCEW-0003

PA System Training Unit

PABX Trainer

TCEW-0004

PABX Trainer

Fire Alarm System Training Kit

TCEW-0005

Fire Alarm System Training Kit

Video Phone And CCTV Security System Training Kit

TCEW-0006

Video Phone And CCTV Security System Training  Kit

DVD & CD Player Training System

TCEW-0007

DVD & CD Player Training System

Color TV Trainer

TCEW-0008

Color TV Trainer

HI-FI Radio Trainer

TCEW-0009

HI-FI Radio Trainer

LCD Color TV Trainer

TCEW-0010

LCD Color TV Trainer

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