HP 8642A Operating Manual page 395

VM MUX 0 - 3
TO VM
X AXIS SENSE
VOLTMETER INPUTS
POWER SUPPLY
AND GND
8GL>
POWER SUPPLY
AND GND
+ 15V(F1)
+ 5V{F1)
-15V (Fl)
* 4
NTERNAL VOLTMETER
SS10
GE>-i
VM_.MUX 0 - 3
X AXIS SENSE
A/D
I—GD
D/A
PT
VM DATA
CEH
s
GD—i GD~i C*g)~i
DAMP, 2
DATA BUS
t__H£T_RPP DIS
VMJTEST BIT
V
CNT INT DIS
OOL_MASK
_QOL_flESET
_7 \ ^P/Q SERVICE I
<4? ^ C O N N E C T I O N S I
I
LLHR, |
LHWR r ^ 4 B >
P/0
P3
1
BD3
LATCH
UWP.
KX
49 >
LATCH
LWR
P/0
PI
I
OUTPUT LATCHES
7
-< 2 7 «
LB
INT -GDBD3
SS9 1
I 8 Q A >
I
L
* ,
9 <
POWER SUPPLY
AND QND
P + 15V(Fl)
L +5V(F1)
[^ 15V (Fl)
P/0
P2
r
-» 5 >
K
-> i >
HET
.MUX A
P/0
|sjjyx_B_^i_i
- > 3
HET
45
LCD LIGHT ON ■
-<<v)BD2 ■
DOUBLEfl MUX •
- C D
B D 1 6
1
HET MUX I
SELECT LINES
fvSAWR
OIV 0
5DBD15 | [yoiv i
TIME BASE |
DISABLE
KSAWB
OIV 2
I DISABLE. _ I
-■->40 GDBD7 L ^