UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - GEC Junior Fineline

murphyv310 · 19th Nov 2020, 10:43 am

You should set the control midway between going out of lock. As you increase the brightness and contrast the load increases on the line stage which is reflected back to the power supply which can alter line frequency.
All quite normal.

19th Nov 2020, 10:43 am	#2
murphyv310 Dekatron Join Date: Sep 2006 Location: Kilmarnock, Ayrshire, UK. Posts: 5,422	Re: GEC Junior Fineline - yet another fault. You should set the control midway between going out of lock. As you increase the brightness and contrast the load increases on the line stage which is reflected back to the power supply which can alter line frequency. All quite normal. __________________ Cheers, Trevor. MM0KJJ. RSGB, GQRP, WACRAL, K&LARC. Member