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Capacitors are among the most common failure points in television electronics — particularly electrolytic capacitors on the power supply board, which are stressed by heat and voltage fluctuations. A swollen, leaking, or open capacitor causes a wide range of TV symptoms: failure to power on, shutdowns, screen flickering, or audio distortion. Capacitor replacement (called "recapping") is one of the most cost-effective TV repairs available and is offered by most electronics technicians in Nairobi.
Where to buy: Capacitors are stocked by Nerokas, Ktechnics, Universal Tech Electronics, and numerous component shops along River Road and Kirinyaga Road. They are sold individually or in packs.
| Capacitor Type | Typical Value / Rating | Estimated Price (per unit) |
|---|---|---|
| Electrolytic (general purpose) | 10 µF – 1000 µF / 6.3V–50V | KSh 10 – 80 |
| High-voltage electrolytic (PSU) | 100 µF – 470 µF / 200V–450V | KSh 50 – 250 |
| Ceramic disc capacitor | 10 pF – 100 nF | KSh 5 – 30 |
| Film / polyester capacitor | 100 nF – 10 µF | KSh 20 – 100 |
| SMD capacitor (pack of 10) | Various | KSh 50 – 300 |
| Full PSU recapping service (labour + parts) | — | KSh 1,500 – 5,000 |
Note: Capacitor failure — particularly bulging electrolytics — is visible to the naked eye. If a technician spots bulged caps on a PSU board, recapping the entire board (not just the faulty ones) is advisable, as the others will likely follow.
