Schematic Diagram Notes - HP 608E Operating And Service Manual

Section VII
I.
2.
o
Model 608E!F
Resistance is in ohms, capacitance is in microfarads unless otherwise noted.
Screwdriver adjustment.
Panel control.
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3.
4.
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Encloses front panel designations.
Signal path.
::=---:
]oenotes feedback paths, used in different circuits .
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5. - - - - - - Circuit assembly borderline.
7-2
6.
7.
10.
11.
12.
I
Wiper moves toward CW with clockwise rotation of control as viewed
from shaft or knob.
Test point. Number in circle matches TP number.
Encloses wire color code. Code used (MIL-STD-681) is the same as
the resistor color code. First number identifies the base color, sec-
ond number (e Widr strip, and the third number identifies the narrow
strip. E G., 947 denotes white base, yellow wide stripe, violet
narrow stripe
Voltage regulator (breakdown) diode.
Feed-through capacitor (shunt capacitor, commonly used for bypassing
high frequency currents to chassis).
Figure 7-2. Schematic Diagram Notes
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