Need help replacing led strip on Iiyama Prolite XUB2390HS monitor

[mikey5791]

Hi,
Got this working ips led monitor by the brand of
Iiyama Prolite XUB2390HS presumably a 23 inch type given to me with suspected bad led backlight. To test it, i unplugged the bad flat ribbon type connector and plugged it a good flat ribbon led connector scrapped from a HP Pavillion 27cw (led strip with 60 led). Good news is the HP led strip lights up but not fully, in between there are about 15 unlit leds.(as picture attached shows).

Fyi, i had not opened and removed the old bad led strip. My question is whether is it possible to cut some of the extra leds(say 9 leds) from the other end of the HP strip so i can fit to my Iiyama monitor., and still get a working led backlight?
Appreciate if someone who had done this kind of modding can share and comment. Thank you.

[stj]

Re: Need help replacing led strip on Iiyama monitor

it depends on the tracks - look at how the strip connects the leds together.
if you do cut it down you may need to add a jumpwire

[mikey5791]

Re: Need help replacing led strip on Iiyama monitor

it depends on the tracks - look at how the strip connects the leds together.
if you do cut it down you may need to add a jumpwire

Thanks for quick reply.
Attached picture i made a cut after led no.51 and i tried a jumpwire to connect the scratched horizontal line to positive side of the led no.51, but no lights on led. Fyi, i am using led no.60 being the last led as guide line on how the connection works.
Appreciate your further assistance if possible. Thank you.

[mikey5791]

Re: Need help replacing led strip on Iiyama monitor

Hi,
Attached picture of led no.51 which was cut to length to fit inside the Iiyama monitor backlight casing.
After cutting i used dc3v AA size battery to test the led on no.50 and no.51 separately. They still lit up fine. (I had label the(+) and (-) in blue for positive and negative side respectively.)
Is my label of the red jumpwire suppose to work and will light up the whole led strip? Please give your comment and advice if i got it all wrong. Thank you.

[sam_sam_sam]

Re: Need help replacing led strip on Iiyama monitor

The issue you might have is if the replacement LEDs are not the same operating current might be issue with how bright individual LED lights might be

[mikey5791]

Re: Need help replacing led strip on Iiyama monitor

The issue you might have is if the replacement LEDs are not the same operating current might be issue with how bright individual LED lights might be

Measured the led size of old broken strip on LBM230P1603 and it is module type 8520(8.5mmx2.0mm) which is the same type leds on the HP strip.
Done soldered a jumpwire by connecting to anode side(+) of led no.51 as mentioned on earlier post. Switched on power and led lights up from led no.1 to led no.30. At least a little progress up to now. I wondered why the rest of led from led no.31 to no.51 not lighting up.
Checked the whole strip and found led no.30 and no.31 not connected. The other led on led no.45 and no.46 also not connected. Should i solder these two joints in order for the whole modded strip to work? Kindly advice and correct me if i am wrong on this. Thank you for helping.