HP 8642A Operating Manual page 359

Synthesized signal generator
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HP-IB
A
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ADDRESS BUS
HP-IB
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MICROPROCESSOR
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DATA BUS
ROM MEMORY
SS4
DATA BUS
BUS AND
PERIPHERAL
CONTROL
C
ADDRESS BUS
SS5
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CALIBRATION
DATA
EEPROMS .
RAM MEMORY
SS7
RESET AND
POWER-UP
PROTECTION
SS6
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DATA
BUS OUT
SS=SERVICE SHEET
R e f e r e n c e Block Oi a g r a m
C o m p o n e n t
C o o r d i n a t e s
COMP
C4
C5
C7
C13
CR7
CRS
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J2
J3
J4
MP1
MP2
P5
P8
Q9
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R3
R44
R45
R46
R50
X,Y
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B. 1
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A, 3
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B, 3
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U5
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U8
U9
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U17
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B. 1
B. 1
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AO M E M O R Y MODULE
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SEE REVERSE SIDE
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