Hi,
On 9/12/10, Stan wrote:
I noticed the LCD backlight assembly is labeled (top down) A and K
on one side and K and A on the other side. The corresponding board
positions for D2 and D3 have + signs.
The manual doesn't say anything about polarity or even if there is a
top and bottom to the
It's indeed Anode and Kathode (in German). I checked data sheets for
similar parts on Mouser and LED backlight panels that have A and K on
them have these leads attached to combined anodes and cathodes of the LED
group. See
Thanks Alexey. Now it seems obvious, once you pointed it out that is.
Aloha,
Wes...KH6HRY
On Sat, Apr 2, 2011 at 12:38 AM, Alexey Kats alexeyk...@gmail.com wrote:
It's indeed Anode and Kathode (in German). I checked data sheets for
similar parts on Mouser and LED backlight panels that have
Wesley,
The board layout along with the orientation of the LEDs assures you that
it cannot be mounted backwards, no matter how it is oriented. Just
follow the manual instructions and all will be OK.
73,
Don W3FPR
On 4/2/2011 5:54 AM, Wesley Inouye wrote:
Hi,
On 9/12/10, Stan wrote:
I
Things are going very well. Completed the Control Board and now wrapping
up the Front Panel Board.
I noticed the LCD backlight assembly is labeled (top down) A and K
on one side and K and A on the other side. The corresponding board
positions for D2 and D3 have + signs.
The manual doesn't
Thanks, everybody!
Stan Levandowski WB2LQF
HF QRP CW -- Doing more with less for over 50 years!
QCWA #35038 OOTC #4558 NAQCC #4740 SKCC #6488 FISTS #(Pending)
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I'm building K2 # 3612 . Question about the led diffuser.
The back side has a thick foil. The front side is much more thinner, a milky
thin foil which is a bit loose from the glass.
Is it right to leave the thin foil on there, or should it be taken off. I'm
not sure.
Thanks in advance.
73,
Hello Arie
My K2 was a few serial numbers before yours.
The layers in my kit were:
The LCD:
Polarizer (remove this and it is ruined)
Glass
Liquid Crystal stuff
Glass substrate with lots of pins
Transflective Layer (looks a bit like metal foil - don't mess with it)
The Back Light:
Thin
On Jul 7, 2006, at 1:02 PM, Masleid, Michael A. wrote:
Hello Arie
My K2 was a few serial numbers before yours.
The layers in my kit were:
The LCD:
Polarizer (remove this and it is ruined)
Glass
Liquid Crystal stuff
Glass substrate with lots of pins
Transflective Layer (looks a bit like
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