Hi. I am an engineer from Aleppo,Syria
I was asked by the Red Crescent to repair thier only BTS-310 device. The device is working all good but the lamp is not working. I replaced the lamp but still no light..
The lamp is labled as 6 volts but the terminals of the lamp socket gives 25 volts on my voltmeter. What could be the reason the lamp is not working. I know that the device should be sent to a service centre but war in Syria did not agree. I am trying to repair it under bombing .. hoping it could help save some lives. if any one has any circuitry schematic or any thing that could help.