Question about Logitech ClickSmart 420 Digital Camera
Mostly black lcd screen (can see slight picture/image) when turned on, flash works, pictures are taken and stored, but cannot view in viewing picture mode. No other screen shows. Memory chip stores all pics taken, and can be shown on computer or such.
The LCD viewer is made up of the LCD screen, and the backlight. Your backlight is burnt out, or the circuit board isn't sending power to it. Backlights can be replaced separately.
Posted on Sep 05, 2007
This may sound crazy but it actually just worked for me!!! I left my camera in my lunch cooler one day and when i took it out it in the hot sunlight it fogged up and the screen was VERY dark. I did not mess with if for a few days hoping it would dry out. That did not work then i had the crazy idea of blowing it with a hair dryer . . . .it ACTUALLY worked! I couldnt believe it, i was about to go out and just buy a new camera and then that worked YAHHHH! Hope this helps someone else!
Posted on Jul 03, 2009
If you can, I would press MENU Then click Set Up then click monitor settings, select brightness, and select high light if that doesn't work, im terribly sorry.
Posted on Oct 31, 2007
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Posted on Jan 02, 2017
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Jul 31, 2012 | Canon Cameras
Power on the unit in the dark room then shine with the flashlight directly in the screen, you will barely see the images. This is because your backlight is not functioning. The following reason is the caused.
1. Power supply - missing B+(supply voltage) coming from this board feeding the inverter board. This is caused by faulty transistor, dried/leaky electrolytic capacitor, open fusible resistor.
2. Inverter board - even the B+ is good from the power supply, if the fuse, driver transistor, driver transformer is faulty no output to the backlight resulting to black picture.
3. Busted backlight - even inverter board is good but if this is busted resulting to black picture also.
Diagnosing the fault is technical and if you don't have necessary tools and test instrument and can't fix it yourself, I would advice you to look for an experienced technician to isolate the problem.
Hope I helped you.
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