Looking at a PN60F8500 Main board number BN94-06205B
Only HDMI 4 works. 1 2 and 3 will detect but do not display and image. Just gets a no signal message after the time out.
My prime suspect is the sii9687 HDMi switching chip. I went over solder joints with no change. I am inclined to just change the chip out but the only source i can find is form china with a significant lead time.
I have searched everywhere for anyone talking about this issue, all i can really find is a few eBay listing for repair services.
Any chance anyone has any idea what they might be doing in these repair services?
Ive looked over the data sheet for the sii9687 and it seems dead simple. 4 inputs one output and a few DDC/EDID channels. If i am getting HDMI 4 i have to assume that everything from the output to the display is working correctly. and there is nothing of consequence (as far as i can tell) between the HDMI ports and the sii9687.
Looking for some thoughts on this, always appreciated of course.
Only HDMI 4 works. 1 2 and 3 will detect but do not display and image. Just gets a no signal message after the time out.
My prime suspect is the sii9687 HDMi switching chip. I went over solder joints with no change. I am inclined to just change the chip out but the only source i can find is form china with a significant lead time.
I have searched everywhere for anyone talking about this issue, all i can really find is a few eBay listing for repair services.
Any chance anyone has any idea what they might be doing in these repair services?
Ive looked over the data sheet for the sii9687 and it seems dead simple. 4 inputs one output and a few DDC/EDID channels. If i am getting HDMI 4 i have to assume that everything from the output to the display is working correctly. and there is nothing of consequence (as far as i can tell) between the HDMI ports and the sii9687.
Looking for some thoughts on this, always appreciated of course.
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