My camera lamp is electrifying and doesn't flash. Why? Expert guidance!
When the S is closed, the capacitor Ct discharges through the Tr and S. (Tr is a step-up pulse transformer) that induces thousands of volts of high voltage pulses to the trigger electrodes of the flash tube at the two side of the Tr, thus leading to flash.If your light doesn't flash, find fault in the red frame.
The flash tube must provide a trigger voltage.In the red box is the trigger part: trigger capacitor Ct is composed of R1, R2 provides Vt voltage divider, the synchronization switch S is turned on (the actual S has two, one is the switch, the other is a test flash synchronous switch camera).
To understand, you must first understand how it works:I found a classic flash circuit,The power source charges the energy storage capacitor Cs to provide the emitting voltage of the flash tube FT, but the flash tube does not emit light at this time.
