View Single Post
Old 9th Jun 2020, 11:27 am   #67
FERNSEH
Dekatron
 
FERNSEH's Avatar
 
Join Date: Mar 2005
Location: Gateshead, Tyne and Wear, UK.
Posts: 7,444
Default Re: The Ever-Ready experimental transistor TV set.

Quote:
Originally Posted by linescan87 View Post
I wonder would a pack of D size alkaline fit in the battery compartment and how long they would last.
Hi John Joe,
I'll try out eight alkaline D cells later this week.

A fault still exists in the line blanking pulse (first attachment) which can be corrected by fitting a 10Kohm resistor between the base and emitter of the line blanking transistor.

DFWB.
Attached Thumbnails
Click image for larger version

Name:	ER_TV_Line_blkg_1.jpg
Views:	94
Size:	65.9 KB
ID:	208088   Click image for larger version

Name:	ER_TV_Line_blkg_2.jpg
Views:	86
Size:	63.2 KB
ID:	208089   Click image for larger version

Name:	ER_TV_Line_Frame_Blkg.jpg
Views:	87
Size:	71.6 KB
ID:	208090   Click image for larger version

Name:	ER_TV_Line_Frame_Blkg_cct.jpg
Views:	98
Size:	42.7 KB
ID:	208091  
FERNSEH is offline