Simpson 260 - Capacitor Checks

REMOVING THE PRINTED CIRCUIT
It will be necessary to remove the printed
circuit board when you recuire access to its
under-side, or tó the parts which are located
between it and the front panel.
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Form 2212 ee
Use the.following procedure:
Set the function switch at +D.C. and the range
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Remove the ZERC ОНМ5 control knob.
Remove the two screws through the lower part
of the printed circuit board.
Remove the two hex nuts from the meter studs
on the top of the printed circuit board.
Carefully pry out the battery contact at
the + terminal for the small 1.5 volt cells.
This is connected to the upper left hand
corner of the printed circuit board with
an orange lead.
Lift the printed circuit board away from
the front panel. The entire board, with
the switch wafers in place, will come up
in one piece.
After removal, do not turn knobs on front
panel or move any rotors on switches until
reassembled.
- If you have a Model 270
First remove the subassembly carrying the
protective diode and temperature compensating
resistors. To do this you remove the two
mounting screws and disconnect the three
leads attached.
— Printed CUSA