HMV 1356 Aerial Circuitry - Page 2 - UK Vintage Radio Repair and Restoration Discussion Forum

Station X · 4th Jul 2019, 3:37 pm

While the caps are out check that the cathode resistors haven't changed value and check the cathode voltages.

M0TGX Terry · 5th Jul 2019, 6:21 pm

The cathode resistors seem pretty much what they should be - pretty close to the 330 ohms quoted on Trader Sheet 917. The cathode voltages on the two output valves are:- V4 7.26v, V5 8.6v. The Trader sheet says 8.2 v on each, so not quite right but the set's owner is coming to collect it tomorrow. I have therefore had to call it a day on this one. At least it works and looks a great deal better than it did when first handed to me. I have learned a lot (mainly to stop saying 'yes' when people ask if I can 'just have a look at this for me')
Thanks for all the help.

4th Jul 2019, 3:37 pm	#21
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,289	Re: HMV 1356 Aerial Circuitry While the caps are out check that the cathode resistors haven't changed value and check the cathode voltages. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.

5th Jul 2019, 6:21 pm	#22
M0TGX Terry Hexode Join Date: Sep 2005 Location: Grantham, Lincolnshire, UK. Posts: 262	Re: HMV 1356 Aerial Circuitry The cathode resistors seem pretty much what they should be - pretty close to the 330 ohms quoted on Trader Sheet 917. The cathode voltages on the two output valves are:- V4 7.26v, V5 8.6v. The Trader sheet says 8.2 v on each, so not quite right but the set's owner is coming to collect it tomorrow. I have therefore had to call it a day on this one. At least it works and looks a great deal better than it did when first handed to me. I have learned a lot (mainly to stop saying 'yes' when people ask if I can 'just have a look at this for me') Thanks for all the help. __________________ Terry the Morganist