HP 3320A Operating And Service Manual page 157

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MOTHER BOARD 03320-66519
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10.2K
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R21
14.3K
R6
14.3K
R20
12.IK
R5
12.IK
R4
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RI9
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RI7
7.32K
R2
7.32K
RI6
7.32K
RI
7032K
SEE NOTE
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FROM XAB PIN 3 1 '
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FROM XAI2B PIN 2-i--< R
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PRETUNE de
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REFERENCE
VOL TAGE
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19
Figure 7-27. Modulator A9B, 3320B.
7-55/7-56