Cobra 29 LX Series - Backlight Voltage Measurement

Technical Service Bulletin 10076 Page 5 of 5
The backlight voltage should read between 5-18VDC depending on the DIM setting. If the voltages
are not present then replace the backlight power supply, Cobra p/n 306-004. The backlight power
supply is a metal can mounted to the side of the chassis:
If the voltage measure correctly but the backlight is still dark, then replace the backlight module,
Cobra p/n 306-003.