Re: Tek 2215

Craig Sawyers <c.sawyers@...>
 

Maybe mounting such resistors directly to the board was part of the new low-cost process Tektronix
was using for the 2213/2215 scopes? All of the boards apart from the preregulator add-on board
were
made from a single panel which was snapped apart after soldering and all of the components had
their
leads clenched to hold them into the boards during the wave soldering process.
Nope - the 7000 series is exactly the same. Main culprits are the x amplifier in most, and HT
resistor stack on the 7704A (Tek changed the design of that many times - earlier versions carbonised
the PCB).

Craig

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