Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Solid State CRT Televisions

We appreciate your help

in keeping this site going.
Reply
 
Thread Tools Display Modes
  #1  
Old 11-01-2018, 09:47 PM
Crist Rigott Crist Rigott is offline
VideoKarma Member
 
Join Date: Oct 2015
Location: Waxahachie, TX
Posts: 1,506
Heathkit GR-269 18" Color TV Kit

Guys I just got this TV kit. It was part of an ASI home electronics course. But Heathkit provided all the electronics.

Anyway here is what I have of the kit. 3 Boxes.



The CRT is NIB is a 18VAZ 22P and tested outstanding and tracking was spot on even.



Here's what was inside one of the boxes as I opened the box.







Here's the other box as I opened it.





After looking further into this kit I discovered that all the circuit boards, parts, and their manuals are missing. Only the Convergence board and its parts are there. It appears that this kit had another box. I'm also missing the metal cabinet pieces and perhaps the power transformer.

Everything that is in this kit is still in very good shape. Of course the some of the metal parts need to have that cad plating gunk cleaned off. Everything else is in pristine condition.

The manuals have the "X-Ray" view the PC boards and a component listings. Some IC's, caps, resistors, inductors, coils, transformers, etc. I know I could recreate those boards but getting the special parts probably would be a real pain. Maybe some of the boards are used on other TV's? We'll see.

Anyway I thought I share this find with you guys.
Reply With Quote
  #2  
Old 11-02-2018, 07:21 AM
kf4rca kf4rca is offline
VideoKarma Member
 
Join Date: Feb 2015
Location: Atlanta
Posts: 737
That was probably all he got when the VA program was cut off. I bought a GR2000 kit from a vet but all he had was the first three boxes. I bought the remaining two from Heathkit. Bought the CRT locally. That was back in the 80's when Heathkit was still in business.
__________________
Reply With Quote
  #3  
Old 11-02-2018, 12:18 PM
Crist Rigott Crist Rigott is offline
VideoKarma Member
 
Join Date: Oct 2015
Location: Waxahachie, TX
Posts: 1,506
The seller has located most of the boards/parts that I needed. Still missing are the Chroma and Video Output boards/parts.

Chroma



Video Output

Reply With Quote
  #4  
Old 11-02-2018, 02:36 PM
Celt's Avatar
Celt Celt is offline
Peanut Head
 
Join Date: Nov 2002
Location: Paragould, Arkansas
Posts: 1,746
Heathkit was bad about shorting kit orders. I built dozens of them...and nearly all had parts missing. Sometimes large important parts!
__________________

Let me live in the house beside the road and be a friend to man.
Reply With Quote
  #5  
Old 11-02-2018, 02:54 PM
Crist Rigott Crist Rigott is offline
VideoKarma Member
 
Join Date: Oct 2015
Location: Waxahachie, TX
Posts: 1,506
Quote:
Originally Posted by Celt View Post
Heathkit was bad about shorting kit orders. I built dozens of them...and nearly all had parts missing. Sometimes large important parts!
I'm not saying that Heathkit shorted the kits the parts. This kit was acquired from a closed repair shop. The place was a mess. I'm trying to get back there and do some more scrounging to see if I can find the missing parts. We'll see.
Reply With Quote
Audiokarma
  #6  
Old 11-02-2018, 03:17 PM
Electronic M's Avatar
Electronic M Electronic M is offline
M is for Memory
 
Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 14,758
The chroma transformers are probably generic and obtainable...the video output IC is the only part on those boards that could be hard to get.
__________________
Tom C.

Zenith: The quality stays in EVEN after the name falls off!
What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4
Reply With Quote
  #7  
Old 11-02-2018, 03:17 PM
Kevin Kuehn's Avatar
Kevin Kuehn Kevin Kuehn is offline
Workin' Late Again
 
Join Date: Jan 2011
Location: WI
Posts: 3,824
Looks to me that set shares some of the same modules as the GRD 900 I have here.
Reply With Quote
  #8  
Old 11-02-2018, 03:20 PM
Crist Rigott Crist Rigott is offline
VideoKarma Member
 
Join Date: Oct 2015
Location: Waxahachie, TX
Posts: 1,506
Quote:
Originally Posted by Kevin Kuehn View Post
Looks to me that set shares some of the same modules as the GRD 900 I have here.
Correct. Looks to me they might be the same.
Reply With Quote
  #9  
Old 11-02-2018, 03:20 PM
Crist Rigott Crist Rigott is offline
VideoKarma Member
 
Join Date: Oct 2015
Location: Waxahachie, TX
Posts: 1,506
Quote:
Originally Posted by Electronic M View Post
The chroma transformers are probably generic and obtainable...the video output IC is the only part on those boards that could be hard to get.
Probably right on both counts.
Reply With Quote
  #10  
Old 11-02-2018, 03:42 PM
zeno's Avatar
zeno zeno is offline
VideoKarma Member
 
Join Date: Mar 2013
Location: New Hampshire
Posts: 4,672
Quote:
Originally Posted by Electronic M View Post
The chroma transformers are probably generic and obtainable...the video output IC is the only part on those boards that could be hard to get.
We wouldnt touch a HK with a ten foot pole. One thing I remember is they
used mostly RCA semi's with IIRC 5 digit numbers that never crossed in
ECG, SK, GE etc. The design is mostly RCA including the SCR horz out
stage. Most of it can probably be fixed with a manual from an early
XL100 chassis using RCA parts.

Best thing is probably do a COMPLETE inventory then buy a junker or
if you have everything else a module set.

73 Zeno
LFOD !
Reply With Quote
Audiokarma
  #11  
Old 11-02-2018, 04:40 PM
Jon A.'s Avatar
Jon A. Jon A. is offline
Don't mess with Esther.
 
Join Date: Jun 2013
Location: Canada
Posts: 4,267
I still have the modules from a hopeless GR-370 (after I messed with it anyway), including an extra video output board. I'll have to check those to see if they match up.

Edit: My video output modules have round 9-pin chroma demodulator ICs marked 442-10 which crosses to the NTE705A. Other than that it seems the boards are electrically the same.

Last edited by Jon A.; 11-02-2018 at 05:16 PM.
Reply With Quote
  #12  
Old 11-02-2018, 06:35 PM
Crist Rigott Crist Rigott is offline
VideoKarma Member
 
Join Date: Oct 2015
Location: Waxahachie, TX
Posts: 1,506
Here are some pictures of the 2 boards along with their parts list.
First up the Chroma board.





Next up the Video Output board.





Thanks for everybody's help.
Reply With Quote
  #13  
Old 11-02-2018, 09:27 PM
old_tv_nut's Avatar
old_tv_nut old_tv_nut is offline
See yourself on Color TV!
 
Join Date: Jul 2004
Location: Rancho Sahuarita
Posts: 7,184
Quote:
Originally Posted by Celt View Post
Heathkit was bad about shorting kit orders. I built dozens of them...and nearly all had parts missing. Sometimes large important parts!
Interesting. Never happened to me.
__________________
www.bretl.com
Old TV literature, New York World's Fair, and other miscellany
Reply With Quote
  #14  
Old 11-02-2018, 09:35 PM
old_tv_nut's Avatar
old_tv_nut old_tv_nut is offline
See yourself on Color TV!
 
Join Date: Jul 2004
Location: Rancho Sahuarita
Posts: 7,184
Looks like the IC is available:
https://vetco.net/products/nte790-ic...ma-demodulator
__________________
www.bretl.com
Old TV literature, New York World's Fair, and other miscellany
Reply With Quote
  #15  
Old 11-03-2018, 05:17 AM
Jon A.'s Avatar
Jon A. Jon A. is offline
Don't mess with Esther.
 
Join Date: Jun 2013
Location: Canada
Posts: 4,267
Yup, got 'em. Any two are yours for the postage if you can't find the originals.



Attached Images
File Type: jpg 85-363.jpg (94.6 KB, 83 views)
File Type: jpg 85-367.jpg (105.6 KB, 82 views)
Reply With Quote
Audiokarma
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 11:19 AM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.