LED bulb lamp 230V E27 defective repair

手順1 — Open the bulb:

the luminous hemisphere is made of plastic and glued to the lower part

手順2 — Repair possible ?

now you can see the inner workings: many small LEDs, connected in series, and a plug or solder connection leading downwards

手順3 — Identify the defective LED

sometimes you can see the burned out LED with the naked eye, by a black spot; then you can skip the following steps:

手順4 — bridge the defective LED

with a small piece of thin wire, or a blob of solder

手順5 — Hooray, lamp shines again !

(with slightly reduced power)