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Shawn Carvin
20-07-2015, 07:47 AM
Hello everyone
I have a question of TK SB-210
the operating board can't light on
does anyone who was ever replace the board light LED ?
and please tell me how to do, thanks

I apologize for my english is very poor

IRMechanik
22-07-2015, 02:25 AM
Which LED? Are you talking about the micro heartbeat or one of the relay LEDs. The relay LEDs have no function other than to indicate the circuit is working. If an LED isn't coming on, generally you have a fault somewhere in the circuit. If you have no micro heatbeat LED you have a more serious problem.

Shawn Carvin
25-07-2015, 08:35 AM
sorry,I not speak clear
it's monitor back light can not light on

IRMechanik
27-07-2015, 03:36 AM
sorry,I not speak clear
it's monitor back light can not light on

Ok, sorry. You're talking about the HMI backlight.
I know they can be fixed by RTE (electronics rebuilder) so i know it's possible but I've never tried.