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FERNSEH · 1st Oct 2018, 10:29 pm

The manufactures service manual with modification supplements will have to procured. I've found quite a few differences in the circuits in this receiver compared with those in the 1959/60 Radio and Television servicing book.

All the decoupling capacitors in the vision AGC circuits were found to be leaky, the worst examples were the Hunts 0.25mfd 150volt components. Really bad leaks indicated on the Simpson 260 multimeter, >100Kohms.

DFWB.

1st Oct 2018, 10:29 pm	#17
FERNSEH Dekatron Join Date: Mar 2005 Location: Gateshead, Tyne and Wear, UK. Posts: 7,444	Re: Murphy V410 TV The manufactures service manual with modification supplements will have to procured. I've found quite a few differences in the circuits in this receiver compared with those in the 1959/60 Radio and Television servicing book. All the decoupling capacitors in the vision AGC circuits were found to be leaky, the worst examples were the Hunts 0.25mfd 150volt components. Really bad leaks indicated on the Simpson 260 multimeter, >100Kohms. DFWB.