3. CP4500 Cannot level match and incorrect voltages in step 1.6
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Author Topic: CP4500 Cannot level match and incorrect voltages in step 1.6

August 20, 2025, 03:52:08 PM
Reply #25

JPK

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Re: CP4500 Cannot level match and incorrect voltages in step 1.6
I would say you only have one bad 1646. All the other IC's seem to be good.
Re-socket the IC's and and make a fresh total voltage check (with the front PCB in) of channel 1, step1.1 to 1.7.
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JPK
August 21, 2025, 12:42:19 PM
Reply #26

Gian

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Re: CP4500 Cannot level match and incorrect voltages in step 1.6
Great, thanks. I'll get back here when I have a replacement for the 1646.
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August 22, 2025, 09:25:46 AM
Reply #27

JPK

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Re: CP4500 Cannot level match and incorrect voltages in step 1.6
You can do the voltage check without U7.
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JPK
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