View Single Post
Old 23rd Jan 2018, 6:05 pm   #43
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Dansette Bermuda MK II ??

Quote:
Originally Posted by martinpinner View Post
I am a novice at circuits and trying to understand this one. In particular what are the values of the sufflex capacitors that also need to be replaced. I obtained online a copy of the operating instructions and circuit diagram but the copy could be better. Any help would be appreciated.

Thanks
According to your photo's there's 5 sufflex types, that appears to tally up with what's in the schematic you posted.

From left to right on the schematic:

Ceramic types (the red ones) 1st, 2nd & 11th.

Sufflex types (the silvery ones) 3rd = 0.01uf, 5th = 0.047uF, 6th = 0.01uF,
7th = 0.0022uF, 8th = 0.047uF.

Electrolytic types (in the big can) 4th, 9th & 10th.

As a minimum I would replace the 5th, 7th & 8th, the latter two need to be rated at twice the HT voltage at least.

EDIT: Post crossed.....It would also be handy to know the value of the large green WW resistor in the photo?

Lawrence.
ms660 is offline