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Old 30th Oct 2019, 8:20 pm   #26
Levente
Hexode
 
Join Date: Nov 2016
Location: Budapest, Hungary
Posts: 316
Default Re: Vintage Radio and Phonograph cutter schematic

Thanks Lawrence, answering your questions backwards:

1. the 105VAC reads on my DMM between the chassy and the earth in the wall socket

2. the readings of 1st 6SJ7 ( after the 6SC7)

0 Pin1
0 Pin2
0.7 Pin3
-0.3 Pin 4
0.75 Pin5
20 Pin 6
6VAC Pin 7
25 Pin 8

2nd 6SJ7

0 Pin1
0 Pin2
0.7 Pin3
-0.45 Pin 4
0.75 Pin5
18 Pin 6
6VAC Pin 7
21 Pin 8

6SF7

0 Pin1
-1.3 Pin 2
0 Pin 3
73.5 Pin 4
-1.5 Pin 5
247 Pin 6
6 VAC Pin 7
0 Pin 8

6SA7

0 Pin1
0 Pin 2
246 Pin 3
74 Pin 4
-5.6 Pin 5
0 Pin 6
0 Pin 7
-.1.9 Pin 8


Some of them are really off...compared to that chart...
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