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Old 01-10-2018, 11:10 AM
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Adam Adam is offline
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Looking for a Zenith system 3 channel switch

It wouldn't change channels at all (with the switch or the remote), then I removed the switch, and could change them with the remote (and by just touching the wires I disconnected from the switch together).

This is a 1980 table model, 19" with the last of the ultrasonic remotes. I can't find a model or chassis number anywhere. It doesn't say System III anywhere on the front either? It uses the 9-160-03. The number on the switch is: 85-1547 Here's a picture of the switch...
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File Type: jpg zenithswitch.jpg (42.3 KB, 39 views)
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Last edited by Adam; 01-10-2018 at 11:15 AM.
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Old 01-10-2018, 11:43 AM
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BigDavesTV BigDavesTV is offline
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Unfortunately, I don't have one of those switches to send to you, but I see in the picture, you had a "furry assistant" to help you with the diagnosis! Gotta love the cat paw near the switch!
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Old 01-10-2018, 12:08 PM
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I was wondering if anyone would notice the cat
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Old 01-10-2018, 12:13 PM
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Hahahaha, of course I would, as it often happens at my house, too!
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Old 01-12-2018, 02:44 PM
wiseguy wiseguy is offline
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Zenith Switch

Quote:
Originally Posted by Adam View Post
It wouldn't change channels at all (with the switch or the remote), then I removed the switch, and could change them with the remote (and by just touching the wires I disconnected from the switch together).

This is a 1980 table model, 19" with the last of the ultrasonic remotes. I can't find a model or chassis number anywhere. It doesn't say System III anywhere on the front either? It uses the 9-160-03. The number on the switch is: 85-1547 Here's a picture of the switch...
is this what you need? I have a pile of NOS Zenith parts, it looks the same and someone wrote "Up-Down" on it, however the part number is 85-1239, maybe they changed part numbers?

Looks like it is the same but without metal mounting bracket, just reuse the old bracket?, it is momentary up and down, does have screw holes like your old one, not sure if the screw holes are used or just the metal tabs hold it in place

I have not been on here in awhile, so best to sent a message

Terry
Attached Images
File Type: jpg zenithswitch.jpg (61.7 KB, 17 views)
File Type: jpg zenithpileparts.jpg (114.9 KB, 13 views)
File Type: jpg zenithswitch1.jpg (45.5 KB, 8 views)

Last edited by wiseguy; 01-13-2018 at 06:22 AM.
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Old 01-12-2018, 06:07 PM
zeno zeno is offline
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The mounting may be different, I see no screw holes. That style rocker
was used since the hybrid years. IIRC it also came in silver for sets
with it on the outside. Check on any older SS remote sets with 18 possition
dials or 14 position slide rules.

As to it not being S3 that is because to be labeled S3 it needed certain
features. IIRC for that era full RAT tuning, CATV, comb filter & color
sentry with light sensor. The chassis itself was referred to as the XXX
chassis when introed. All the first gens were S3 with a simpler
feature list. We all just fell into calling all the chassii S3...........

73 Zeno
LFOD !
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Old 01-13-2018, 09:06 AM
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Quote:
Originally Posted by wiseguy View Post
is this what you need? I have a pile of NOS Zenith parts, it looks the same and someone wrote "Up-Down" on it, however the part number is 85-1239, maybe they changed part numbers?

Looks like it is the same but without metal mounting bracket, just reuse the old bracket?, it is momentary up and down, does have screw holes like your old one, not sure if the screw holes are used or just the metal tabs hold it in place

I have not been on here in awhile, so best to sent a message

Terry
Thanks. That looks like it. The metal tabs hold it in place. I'll send you a pm.


I have a 13" from 1984, it has the RAT tuning and the remote, and on screen display of the channel # and clock, no color sentry, I don't know about the comb filter, and it's not a S3 either. And now that I think about it, we use CCII to describe that vertically oriented fold down chassis, but my two flat chassis 25EC58s also say CCII on the front.

I have a 19" 1979 CC2 as well, once I get this one back together, I'll post a pic of them working next to each other - the last of the CC2 vs. the first of the (not really) S3.
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Last edited by Adam; 01-13-2018 at 09:12 AM.
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Old 01-13-2018, 12:00 PM
zeno zeno is offline
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It does get confusing with overlaps etc.
1st gen XX chassis with power xform came out on a few late
J line TOTL sets & was not called S3 IIRC. Probably only
regionally limited.
K line XXX were all labeled S3 2 19" & some 25".
L line changed to 9-160. 13" sets didnt get the comb filter. It
didnt improve them enuf to justify the cost.
IIRC at first no 13" were called S3 but they may have later.
When the next chassis came the TOTL was call "Advanced S3"
Added auto grey scale then stereo.
BTW you can tell a comb filtered set. Look at the 9-152 if its got a
lot of empty holes no comb filter.

73 Zeno
LFOD !
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