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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