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Old 05-23-2018, 05:58 AM   #1
meciu
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Default PS4 - no display/sound

Hi,
I've obtained broken PS4 (CUH-1116A),
tested hdmi connector and filters and they are looking fine, currently I'm waiting for MN86471A chip to arrive but I need to ask a stupid question..

These two ?diodes? have a continuity across itself and about 1k ohm to ground.

Is that normal?
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Last edited by meciu; 05-23-2018 at 06:01 AM..
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Old 05-23-2018, 10:30 AM   #2
stj
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Default Re: PS4 - no display/sound

those look like inductors, they should have a very low resistance if they are.
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Old 08-11-2018, 01:39 AM   #3
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Default Re: PS4 - no display/sound

The two locations look like a ferrite bead. I don't have a PS4 taken apart next to me at hte moment, but the configuration for the one on the left looks like a pi-filter followed by a row of caps on the analog filtered rail.
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