HP 7901A Operating And Service Manual page 98

7901A
7901-12
51
f7.6P'l
07901-60028
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A-1149-42
Figure 5-41. Unit Select Switching Assembly A17, Parts Location Diagram
Maintenance
UNIT SELECT SWITCH (07901-60028, SERIES 1149)
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9
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NOT CONNECTED
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10
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SELECT B XA 17
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1
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TO A5J3-12, N
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o
I
I
I
I
I
I
I
I
SELECT A
I
1+-+-I~_,,----"':::::'::'::':::"..::!.-----4
5
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TO A5J3-l1, M
o
I
I
I
I
I
I
I
I
UNIT 0 I
I+-.I....I~-------=~-=-----~
2 > - - + - - - - ® - - TO A 1P2-7
I
UNIT 1 I
o
)4~TOA1P2-5
L UNIT2 I
o )
6~1
968 TOA1P2-8
UNIT 3
o
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UNIT
i~LECT
I
SWITCH
DWG REV A - - - - - - - -
Figure 542. Unit Select Switching Assembly A17,
Schematic Diagram
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