Videokarma.org

Go Back   Videokarma.org TV - Video - Vintage Television & Radio Forums > Early B&W and Projection TV

Notices

We appreciate your help

in keeping this site going.
 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
  #11  
Old 07-03-2018, 04:19 PM
Phil Nelson's Avatar
Phil Nelson Phil Nelson is offline
VideoKarma Member
 
Join Date: Jan 2006
Posts: 4,030
Thanks, that does look like the tube base. The Phillips 3NP4 data sheet is at:

https://frank.pocnet.net/sheets/201/3/3NP4.pdf

In an effort to eliminate more variables, I tried injecting video and audio directly at the amplifiers, bypassing the tuner and IF stages. The results were good, so I wired in cables and made a little junction box where I can plug in A/V cables from a DVD player, etc.



The picture looks better than before, and the audio is outstanding:



More details in my article at:

https://antiqueradio.org/Emerson609P....htm#Injection

The screen geometry is approaching normal. The picture is still somewhat off-center horizontally, a condition I hope to cure by raising the optical box using its bottom "tilt" adjusters.

Phil Nelson
Phil's Old Radios
https://antiqueradio.org/index.html
Reply With Quote
 


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 03:13 AM.



Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2026, Jelsoft Enterprises Ltd.
©Copyright 2012 VideoKarma.org, All rights reserved.