View Single Post
Old 7th Aug 2012, 9:53 pm   #12
Oskar.B
Pentode
 
Oskar.B's Avatar
 
Join Date: Oct 2005
Location: Gargnäs, north of Sweden
Posts: 105
Default Re: Dux/Philips Swedish TV-Radiogram!

Here is a translation of the section in the manual dealing with "lots" adjustments. I am almost certain it really is some form om tuning indicator. Here goes, "lots" is translated to navigator:

Navigator (S63, R158 and R157)
Press the navigator button.

1) Set the tuner to a silent channel. Connect a VTVM to junction R157/R161 (range +10V). Feed an un-modulated HF signal of 38,9MHz to test-point "M". Adjust S63 for maximum reading on the VTVM.


2) Set the tuner to a silent channel. Turn R158 so that the white ribbon takes up approximatly 1/5 of the totalt picture width.


3) Tune the set to receive a transmitter of average signal strength. Adjust R157 so that when the set is correctly tuned, the white ribbon takes up approximatly half the picture width. Check that a distinct maximum of the ribbon width can be found when tuning.

It really sounds amazing for 1959. I would not mind us going further into how this clever function was realized

EDIT:
Oops. VTM -> VTVM (i.e Vacuum Tube Voltmeter)
__________________
Old electronics smell better!

http://gargnas.net

Last edited by Oskar.B; 7th Aug 2012 at 10:00 pm.
Oskar.B is offline