HP 3562A Service Manual page 342

MO D E L 3 562A
6-1 7 SIGNAL DESCRIPTIONS
T h is section describes the signal names between asse m b l ies. A l l signals with a mnemon i c
e n d i n g in an L are active l ow.
± 1 5A
± 1 5S
+ 2.6V
± 30V
+ 5 F N TE N D
± 1 5 ANALO G VO LTS
+ 1 5A A1 8 J 1 -3)
- 1 5A A1 8 J 1 -4)
Vo ltage output from the A1 8 Power Su pply that goes to the fol lowing
asse m b l ies:
A30 Analog Sou rce
A31 Trigger
A32 ADC (CHAN 1 )
A34 ADC (C HAN 2)
A33 I n put (C HAN 1 )
I n put (C HAN 2)
A35
± 1 5 VOLTS
( + 1 5 S A1 8 J 1 -9)
( - 1 5S A1 8 J 1 -1 0)
Voltage output from the A1 8 Power Su pply that goes to the fol lowing
assembl ies:
HP 1 345A Display
A1 D i g ital S o u rce
AS D i g ital Fi lter
A2 System C P U (not u sed)
+ 2 .6 VOLTS
(A1 8 J 1 -6)
Voltage output from the A1 8 Power Su pply that goes to the termination
networks on the' A1 2 Mother Assem b ly.
assembl ies:
A33 I np u t (C HAN 1 )
A35 I np u t (C HAN 2)
+ 5 VOLTS FRO N T E N D
(A1 8 J 1 -5)
T h i s s i g n a l goes to the A32 ADC 1 , A34 ADC 2, A33 I n p u t 1 , and A35
I n put 2 . It i s the same s ignal as + 5S which is the m a i n f ive volt out­
put from the A1 8 Power S u pp ly.
C I RC U IT D E SC R I PT I O N S
6-1 2 7