HP 3320A Operating And Service Manual page 146

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NOTE 1: The following table lists the schematic number and
connector number versus instrument type for controller board
interfacing:
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TO XAS/XA6
.7 to .9 V pop on 10 kHz and 1000 Hz ranges (100 Hz and
10Hz ranges for A6, Option 006).
DC voltages on Ql, Q2, Q3 measured with 3320A!B in
10 kHz (l00 Hz for A6, Option 006) range position using
high input resistance, low capacitance voltmeter (-hp- 412A).
Top voltage measured with 3320A!B in 10kHz range
(l00 Hz range for A6, Option 006) position.
Bottom voltage measured with 3320A/B in any other range.
Top voltage measured with 3320A!B in 1000 Hz range
(10 Hz range for A6, Option 006) position.
Bottom voltage measured with 3320A/B in any other range
position .
DC voltages on 08, 09, Ql0 measured with 3320A!B in
1000 Hz (10 Hz for A6, Option 006) range position using
high input resistance, low capacitance voltmeter (-hp412A).
SCHEMATIC
CONNECTOR
NUMBER NUMBER INSTRUMENT TYPE
1 XA20A "A" Model - Standard,
Options 001,002,006
2 XA21A "B" Model - Standard,
Options 001. 002. 006
3 XA22A
"A" Model - Option 003
"B" Model - Option 004
B
XA22A "B" Model - Option 007
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