Sex 3.0 Resistance Checks: question re: starred items [resolved]

Big Bamboo · 1134

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Offline Big Bamboo

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Hi,

I am doing the resistance checks using a Fluke 87V auto ranging meter with fresh batteries. Everything checks out OK, but I had concerns about the values of some starred items.

All my starred (*) resistance measurements are in the 10s or 100s of K ohms as predicted, except for these:

#30 214 ohms
#31 214 ohms
#32 201 ohms


 H2 214 ohms
 H4 201 ohms
 H5 214 ohms
 H6 1.3   K ohms

I am a little insecure about proceeding without confirmation that these are OK.

(One other thing to note. All of my readings which should be 0 ohms, read .2 ohms, which is expected. Oddly, terminal 22 reads 1.2 ohms. I assume that's OK.)

Thanks,
John


« Last Edit: August 06, 2022, 04:33:31 PM by Paul Birkeland »



Offline Paul Birkeland

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Reply #1 on: August 06, 2022, 03:26:29 AM
The readings that are around 200 ohms aren't an issue.  Whatever reading you have at H6 should be about the same as H3, but it will be a bit meter dependent as well.  If you passed the glow test then I wouldn't worry too much about these.

Terminal 22 is grabbing ground through the chassis plate, so a little bit of extra resistance isn't uncalled for.  There's nothing connected there, so a perfect ground connection isn't absolutely necessary.  If you wanted to, you could tighten up your hardware a little bit and that might bring that reading down a bit.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man


Offline Big Bamboo

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Reply #2 on: August 06, 2022, 05:37:56 AM
Paul,

Thank you!

I went back and remeasured them all again.
This time, both H3 and H6 measured the same (1.3 K ohms).

I had passed the glow test fine.

I will proceed with the voltage test.

I really appreciate this forum!

John