Posts: 1,824
Threads: 114
Joined: Jul 2014
City: Sneedville, TN
I have come to a dilemma, and hope those more expert than I, who have dealt with this model radio can give me some guidance. As I am delving into the power - final audio end of the receiver, I am making a careful map of everything, and where it goes, and where it connects. In doing so I have come to a problem about part 51. On the schematic, and in the parts list it is shown to be a 70K resistor, yet in the radio itself it appears to be a 10K resistor, and it appears to be original and never changed. Was this a mistake in construction, or a change made along the way which I haven't seen in the notes? What was it in your own 37-640s? I would appreciate any advice about this. Here are pertinent pictures...
[Image: https://66.media.tumblr.com/3a1050edb586...38a3df.jpg]
[Image: https://66.media.tumblr.com/be071c5c91ad...3ff325.jpg]
[Image: https://66.media.tumblr.com/7b77097d4a0c...d03ab6.jpg]
[Image: https://66.media.tumblr.com/90e00d435b4c...d0ff0a.jpg]
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