China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

Maintenance of electronic energy-saving ballasts, we must first eliminate false failures. Turn off the lights, energy-saving lamps gap flash, this is not the quality of the lamp problem. The main reason is the non-standard electrical line installation, switch due to the zero line. Into the line side of the zero line with FireWire exchange. Switch with neon, lights still able to form micro-circulation of the road, or by line to install a double switch, cause sometimes lights flash phenomenon.

Maintenance of electronic energy-saving lamps for security applications 1:1 isolation transformers isolate the mains.



1. Common resonant capacitor C6 breakdown (short circuit) or pressure reduction (soft breakdown) should be replaced the withstand voltage above 1kV with the capacity and quality polyester or CBB capacitor.

2. Lamp filament is open. If the lamp is not serious black after to parallel 0.047μF/400V polyester capacitors feet at both ends of the broken wire lights emergency use.

3. R1, R2 open or variable value (generally R1 fault likely), with the same resistance 1/4W quality resistance substitution.

4. The triode open. Found only one transistor open, but can not replace a pairing switch the withstand voltage of 400V or more of the same model, and should be replaced. Or prone to lighting to wallow or again burn tube.

5. Lights flashing. Lamp if not serious black check D5, D6 whether the Weld or open if D5, D6 soft breakdown or filter capacitor C1 leakage and poor, but also make the lights flicker.

6. Difficult lamps lit, sometimes hand touch lamp lit or lights wallowing, this may be the lack of capacity of C3, C4, can not match.

7. If the single small-power energy-saving lamps lit filament redness or luminous phenomena should also check whether the D1 ~ D4 soft breakdown, C1 is installed backwards or leakage, power supply part short circuit.

8. The choke L B, and the oscillation transformer core fracture. Should a single for the core, to pay attention to three things: (1) to use to meet the requirements of the core, otherwise it may choke inductance value greater access to energy-saving lamps lay hidden dangers; (2) the magnetic gap can not be too small, so as not to magnetic saturation; (3) magnetic gap with padded fabric mat, adhesive glue and heat and flame resistance tape wraps to prevent loosening. In addition, on the B-side of the same name can not pick the wrong.

9. Overhaul trigger tube electronic ballast way trigger diode, the tube should focus on checking general the DB3-type, two-way breakdown voltage of 32 ± 4V.

Second, the components of apparent damage overhaul

1. Though not blown insurance, not blown into the line at the line, such as resistors have significantly damaged the transistor will loss undoubtedly. This first likely is caused by the aging of the lamp, followed by the environment is poor, the other may be lost capacity caused by C1. Two kinds of cases, replace the resistors, transistors, best replacement pair of C3, C4 electrolysis. For the latter, C3, C4, having to replace, made of high quality heat-resistant electrolytic capacitor C1 work under high pressure conditions, be sure to substitution.

2. Case in the fusing insurance, blown into the line at the line, C1, Q1, Q2 intact, you must individually routine inspection and pressure testing of the D1 ~ D4. Or D1 ~ D4 all with quality product substitution.

3. C1 burst, as accompanied by fusing insurance the burnout phenomenon into the line, should D1 ~~ D4, C1 to replace them all.

4. Only Q2 side of resistive and capacitive parts, transistors burned, should focus on examination of C2 has a breakdown.

5. If the damage to the high-frequency transformer B, available ∮ 0.32mm strength line wound around a high-frequency magnetic ring of 10mm × 6mm × 5mm, T1, T2 of each ring 4; T3 8 laps (Note that the head and tail). Choke L: Lamp power 5 ~ 40W, corresponding to 1.5 ~ 5.5mH.

Third, the small number of electronic energy-saving lamps interfere with remote control color TV.

Adjust the amount of inductance L or C2 electrical capacity, it does not interfere with the remote control TV, but also safe work.

Note, the use of energy-saving lamps

1. Energy-saving lamps can not use a lamp dimmer, delay switch, sensor switch circuit.

2. Should be avoided in the environment of high temperature and humidity.

3.Electronic ballasts and other lighting should not be frequent on and off.