your cfl bulb does not glow then follow these steps

cfl repairing dead cfl repairing cfl installation cfl assembly

your cfl bulb does not glow then follow these steps

Check TP1 AND TP2 ac 230 v comes to bridge rectifier or not.

When comes  230 v ac  then check TP3 AND TP4 300 v dc in filter capacitor C4 3.3 uF /400v .

If not coming then check bridge rectifier  and C4 .

When  comes 300v dc  , then check  TP 5  here around 125-150v dc is coming.

If not coming then check  Q1,Q2-  MJE 13001, R1,R3 – 1 Ohems, R2,R5 – 20 Ohems and its related component.

After 125v DC coming in TP5 if CFL BULB not glow then check CFL TUBE two side coil, and chopper tranfermer.

After this tube already glow , if does not glow then see this tube starting point only glow in low light but not complete not glow then, check  C3 2n2/630 v is shorty.

Replace this C3 and you done.