[SOLVED]820-3209 spotlight effect on half of LCD

[Revive]

LCD as pictured with alternating dim LED's on left half of screen.

Backlight driver looked suspect so I replaced it, there was some corrosion on the LVDS connector so I replaced that too.
No change in the issue, I tried connecting a different LCD and it persists so it's not the LCD or cable itself.

PPVOUT_SW_LCDBKLT: 24.7
PPVOUT_SW_LCDBKLT: 24.7
LED_RETURN_6: 4.7
LED_RETURN_5: 1.6
LED_RETURN_4: 1.6
LED_RETURN_3: 1.6
LED_RETURN_2: 1.6
LED_RETURN_1: 1.6

Any ideas what to check?

Best Regards
S.

 

[larossmann]

One of these led returns is not like the other

 

[Revive]

I wasn't sure if LED_RETURN_6 was high or all the others were low, but I suppose its more logical its just LED_RETURN_6 thats the issue.
the BKL_ISEN6 pad was in good shape and the ball looks good, the only pad on the driver that looked iffy was the center TP_BKL_FAULT Is it possible that could be causing this issue?
I already replaced R9722, no change.

 

[dukefawks]

Diode mode on led return 6?

 

[Revive]

Diode was going to .0L and BKL_ISEN6 doesn't go back further then U9701, finally accepted the fact it must be the trace in between. Ran a jumper wire from Pin-21 U9701 to R9722 and it works perfectly.
Many Thanks.