Does anyone know where the LCD backlight circuit is?
![[ElectriciansForums.net] Does anyone know where the LCD backlight circuit is?](https://www.electriciansforums.net/attachments/qq-20210812160946-jpg.88647/ "[ElectriciansForums.net] Does anyone know where the LCD backlight circuit is?")
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Discuss Does anyone know where the LCD backlight circuit is? in the UK Electrical Forum area at ElectriciansForums.net
he's behind you. ?
Can't read the device numbers on that pic, but in any case the circuit may be little more than a transistor and a few resistors, controlled by PWM from an output on the MCU.
OP
I think maybe here?
![[ElectriciansForums.net] Does anyone know where the LCD backlight circuit is?](https://www.electriciansforums.net/attachments/qq-20210812160946-jpg.88889/ "[ElectriciansForums.net] Does anyone know where the LCD backlight circuit is?")
Back light setting is often a user preference , so often adjustable..
(Some where in the software -- Also possible to destroy when
modifying software- backup RAM/Flash )
..Sadly I know nothing of this device..
Some processors may send a Blip to backlight as Booting up
( more noticeable with old EL 50V transformers ..ouch)
Plenty of LED backlights have a series circuit .. so chech for a voltage across ..if no current is flowing !
(Some where in the software -- Also possible to destroy when
modifying software- backup RAM/Flash )
..Sadly I know nothing of this device..
Some processors may send a Blip to backlight as Booting up
( more noticeable with old EL 50V transformers ..ouch)
Plenty of LED backlights have a series circuit .. so chech for a voltage across ..if no current is flowing !
OP
Thank you dude!
Reply to Does anyone know where the LCD backlight circuit is? in the UK Electrical Forum area at ElectriciansForums.net
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