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Re: Schematic Accuracy [message #20122 is a reply to message #20097] Thu, 13 February 2014 13:57 Go to previous messageGo to previous message
bluezebra is currently offline  bluezebra
Messages: 89
Registered: February 2014
Location: Lafayette, LA
Member
Hi Bill
Thanks for your input.
Maybe I didn't explain it well enough about the transistors on the schematic as Q124 Q125 They are both labeled with BOTH numbers as 2N4249 and RCA 38734. Is this suggesting that both are acceptable?
I'm looking for a picture of the board since there are three components on this board NOT listed on the schematic. ie..Q131 is listed on the schematic but not listed in the transistor location diagram and not found on the board. I have a .1 100volt ceramic cap that is not listed but is on the board....strangely found clipped on one side.

I'm still trying to identify why the +8 is uneven. The schematic shows different resistor values in that section of the circuit. At last measurement it is +10.7 and -9.9. I installed the old rectifier and old wires and the mains are still +40.5 and -40.4
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