Need Resistor Values for DX-60B Power Supply

Rich Sahlender rsahlen at VOICENET.COM
Wed Feb 17 20:04:48 EST 1999


Robin De Vore wrote:
> Could someone please consult their schematic for the DX-60B and e-mail me
> the values for the resistors used in the 300-600 volt power supply section.
> The resistor between the filter capacitors for the 600 volt section is
> missing in the DX-60B I recently acquired. The remaining resistor looks
> like a 210 ohm and it has 100k bleeder resistors. I have the schematic for
> the DX-60A and the values of the existing resistors don't agree with the
> schematic.
>

On paper it looks like:

   +HV
    |
    |       r34                  d1  d2
    *---- 100 ohm ----*-----*----|<--|<--*------- 260vac
    |       7W        |     |            |
    |                 |     |            - d3
    +                 +     |            ^
   c39               c41   r36           |
   40mf              40mf  100K          - d4
    -                 -     2W           ^
    |                 |     |            |
    |       r35       |     |           GND
    *---- 270 ohm ----*-----*-------------------- 260 vac
    |       2W        |     |
    |                 |     |
    +                 +    r37
   c40               c42   100K
   40mf              40mf   2W
    -                 -     |
    |                 |     |
    |                 |     |
   GND               GND   GND


Hope that helps...

de Rich WA3WLH Pennsburg, PA

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