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Sets, Parts and Service Information Offered (private sellers only, exact price required, no swaps) You may announce components or sets for sale or offered free here. Private collectors only - no traders. You must include an exact price. No swaps.

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Old 10th Jun 2023, 2:26 pm   #1
WaveyDipole
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Default Tek 46x Parts

I have a number of Tektronix 46x spare parts up for grabs. Some are from a 468, others may suit other 46x series scopes. All items are FOC, cost of postage only (assuming I can find the packaging). I would prefer the CRT be collected for obvious reasons but I *may* be able to post, again subject to finding sufficient and appropriate packing. I do not know whether the PCBs are fully functional but am presuming so.

1) Attenuator Board Part 670-6375
2) CRT part 154-0731
3) Rods and shafts
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Old 10th Jun 2023, 2:30 pm   #2
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Default Re: Tek 46x Parts

4) Timebase board part 670-6374
5) 468 Trace and holdoff pots
6) Various salvaged unbroken knobs
7) 468 Facia plate
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Old 10th Jun 2023, 2:38 pm   #3
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Default Re: Tek 46x Parts

8) 468 Graphics board part GA-6852-02
9) 468 PSU board part GB-6853-02
10) 468 CPU to graphics module ribbon cables
11) 468 Transformer part 120-1302-00 (windings seem to test OK)
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Old 10th Jun 2023, 2:42 pm   #4
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Default Re: Tek 46x Parts

12) Filter bezel
13) 468 Intensity/Position pots
14) Trigger board (*please read note)
15) CPU board (**please read note)
16) ROM chips (***please read note)

* there is one chip missing. I have the original with one broken leg. It was clearly knocked by something as all legs are bent.

** the original ROM chips are missing probably because they were scavenged as the scope chassis was a parts donor. This may indicate that the board is faulty but I don't know the history and was not in a position to test it. I could possibly part out the individual chips but would prefer a taker for the complete board.

*** Non-original ROM chips on adapters. Happy to bundle items 15 and 16 together.
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Old 10th Jun 2023, 3:47 pm   #5
Chris55000
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Default Re: Tek 46x Parts

Can I register interest in 1, 15 and 16 please?

I've just tested my '468 and it bogged out with a serious selfĖtest failure, and I have a Sig. Analyser and QService's Service Manual to go through it with!

PM Sent

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Last edited by Chris55000; 10th Jun 2023 at 4:13 pm.
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Old 10th Jun 2023, 5:58 pm   #6
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Default Re: Tek 46x Parts

I'd also like to register in an interest in The Graphics PCB Item No 8 as I think I might have a faulty TRW chip in my '468 Ė the +5 V is being dragged down and comes back up when the chip is removed!

Second PM sent

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Last edited by Chris55000; 10th Jun 2023 at 6:10 pm.
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Old 10th Jun 2023, 7:08 pm   #7
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Default Re: Tek 46x Parts

Hope you don't mind me asking but do you still have a trigger slope knob as arrowed in the attached photo? Even a damaged one would be better than nothing which is what I have at the moment.

Alan
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Old 10th Jun 2023, 7:18 pm   #8
WaveyDipole
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Default Re: Tek 46x Parts

Alan, I donít think the photgraph got attached? I think I know the one you mean and will check.
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Old 10th Jun 2023, 8:01 pm   #9
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Default Re: Tek 46x Parts

Sorry, forgot the photo!

Alan
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Old 10th Jun 2023, 8:44 pm   #10
WaveyDipole
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Default Re: Tek 46x Parts

Yes, thatít the one I imagined it was. I had a look but unfortunately donít have that one. The only one that might fit the shaft is the red timer cal knob, however I would like to keep those together as a set.
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Old 10th Jun 2023, 8:55 pm   #11
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Default Re: Tek 46x Parts

Thanks for looking anyway, much appreciated. Would like to put in a claim for the undamaged knob selection (6) in any event.

Alan
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Old 11th Jun 2023, 9:41 am   #12
WaveyDipole
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Default Re: Tek 46x Parts

Items 1, 8, 15 and 16 are now taken.
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Old 11th Jun 2023, 4:43 pm   #13
WaveyDipole
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Default Re: Tek 46x Parts

Item 6 is now spoken for as well.

Forgot to mention in my OP that although the items are FOC, I would appreciate being reimbursed for the cost of postage.
Thanks.

Thank you for the interest so far. I am glad that some of these parts at least have found a new home and will hopefully be of use to someone.
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Old 13th Jun 2023, 12:40 pm   #14
Chris55000
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Default Re: Tek 46x Parts

Bummer!

I thought I had a pair of those knobs in my '468 spares carcass I got from Worcester, but the slope knobs and the outer one are missing off that as well!

Sorry!

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Old 16th Jun 2023, 5:27 pm   #15
WaveyDipole
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Default Re: Tek 46x Parts

Items 2, 3, 4, 5, 7, 11, 12, 13 and 14 are still available.
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