482
Chapter 11, Block Diagrams
Assembly Details
N:\mkt\MANUALS\HP8924C\ALR\blkdia.fb
In
te
rr
up
t
La
tc
he
s
an
d
Logi
c
Inte
rr
upt
Ci
rc
u
it
s
EM
ITTER 1
CATHO
DE 1
CATHODE 2
RO
W 0
ROW
1
ROW
2
RO
W
3
ROW
4
ROW
5
ROW
6
ROW
7
CO
L
U
M
N
0
COLUM
N
1
COLUMN 2
COLUMN 3
COLUMN 4
COLUMN 5
E
M
ITTER 3
CATHO
DE 3
RTC_I
N
T
SI
G
_I
N
T
IO
_I
N
T
U_TX_I
NT
U_RX_I
N
T
G_
IN
T
(no c
onnect
)
M
E
ASC
S
CR
T
C
S
CRTDTACKH
CRT_I
NT
MEAS_HOLD
M
EAS_I
N
T
R
S
232_D
TK
S
E
L_I
N
T
FC
HPI
B_I
N
T
R
S
232_I
N
T
A16 Host
C
o
ntr
o
ller
To
/
F
rom
+5
Vd
c
J2
3
-1
2 Vd
c
F
ilt
er
J2
3
1-
1
6
19
-4
1
44 45
46
47
DA
T
A
0
-1
5
Mo
to
rol
a
68
02
0
Mic
rop
roc
ess
or
J2
3
72
73
62
-6
8
74
-7
8
79
-8
6
53
54
56
13 70
J2
3
J2
4
J2
4
To
/
F
rom
+
12 V
dc
*N
OTE
: S
w
it
ch
s
h
o
w
n in
nor
ma
l p
o
si
ti
on.
(1
-c
lo
se
d
2
-ope
n
3
-ope
n)
Da
ta
La
tc
he
s
Ad
dr
e
ss
Lat
ch
es
D
_LD
S
GR
/W
Ga
te
d B
u
s
G
A
DDR
1-
7
1
5
-1
9
G
D
AT
A 0-
7
CA
RD_
TY
P
E
CA
RD_
WR_
C
TL
CA
RD_
DE
TE
CT
HP
IB
_
S
C
BE
EP
Co
nt
ro
l
S
tat
us
La
tc
he
s
Da
ta
La
tc
hes
Pr
g
m
Ti
m
e
r
Kn
ob
La
tc
he
s
EE
PR
O
M
32
K
J1
J1
11
25
23
12
,1
4,
16,
17
29
,31,
33
9
15
To
/ Fr
om
Floa
ting P
o
int
LD
S
_N
OE
_
N
R/
W
_
N
UD
S
_N
CA
L
RO
M
B
u
ffe
re
d
B
u
s
LE
D
C
ontr
o
l
DT
A
C
K
IP
L2
*SEE
NO
TE
a
St
a
tu
s
Le
ds
J2
4
J2
4
To
/ F
rom
Te
s
t S
e
t
Mo
d
u
le
s
7
34,
37
-41
32
33
11
9
10
8
12-
19
21-
28
CURRENT_SEN_VM
Ti
me
r
Kn
o
b
Log
ic
KN
O
B
_
IN
T
J4
To/
Fr
om
19
FP
Ke
yb
o
ar
d
an
d K
n
ob
J4
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
23
24
K
e
y
S
ca
nnin
g
a
n
d
Inte
rr
upt G
ene
ra
tion
Ro
w
Lat
ch
EMI
TTER 2
K
EY_
IN
T
J2
3
51
To/F
rom
Te
st
S
e
t
M
odul
es
J2
3
88
89
90
95
96
97
99
PC
M
C
IA
_
C
S
C
opr
oc
es
so
r
Co
pr
oc
es
so
r
ER
S
PQ
R
M
Logi
c
Sh
ift
Re
gi
st
er
s
D
T
A
CK Ci
rc
u
it
s
an
d
A
ddr
es
s D
e
code
D
A
T
A
0-
15
DA
TA
0
-7
Bu
s
In
te
rf
ac
e
V
o
la
ti
le
M
e
m
o
ry
S
ram 4 I
C
’S
51
2k
E
a
F
lash
Me
mo
ry
4 I
C
’S
1M E
a
A
D
D
R
1-
7 15-
19
Co
lu
mn
La
tc
h
an
d Log
ic
3
1
2
B
DATA 0-
15
a
a
BDA
TA 8
-15
BD
AT
A 0
-1
5
BD
AT
A
0
-1
5
BD
AT
A
8
-1
5
Me
mo
ry
As
se
mb
ly
(A
17
)
A
udi
o
Si
gna
lin
g
So
ur
ce
/
An
aly
zer
Me
mo
ry
Se
ria
l I/O
F
ilte
r/
Reg
ula
tor
(A
20
)
(A
16
-BD
.F
B)
C
ontr
o
l
Int
e
rf
a
ce
(A
33
)
Ana
lyz
er 2
To
/Fr
om
:
R
ib
bon
Ca
b
le
R
ibbon
Ca
b
le
2
3,
4,
45
,4
6
5,
6,
20
,
43,
44
1
Содержание 8924E
Страница 52: ...Contents 52 N mkt MANUALS HP8924C ALR 8924CE TOC A Error Messages ...
Страница 53: ...Contents 53 N mkt MANUALS HP8924C ALR 8924CE TOC Index 633 ...
Страница 54: ...Contents 54 N mkt MANUALS HP8924C ALR 8924CE TOC ...
Страница 70: ...70 Chapter 1 Introduction Hardware and Firmware Enhancements N mkt MANUALS HP8924C ALR intro fb ...
Страница 137: ...137 N mkt MANUALS HP8924C ALR per_adj fb 4 Periodic Adjustments ...
Страница 448: ...448 Chapter 9 HP 8924C E Specifications General Specifications N mkt MANUALS HP8924C ALR specs fb ...
Страница 449: ...449 N mkt MANUALS HP8924C ALR service fb 10 Service Screen ...
Страница 454: ...454 Chapter 10 Service Screen Troubleshooting with the Service Screen N mkt MANUALS HP8924C ALR service fb ...
Страница 455: ...455 N mkt MANUALS HP8924C ALR blkdia fb 11 Block Diagrams ...
Страница 522: ...522 Chapter 11 Block Diagrams Assembly Details N mkt MANUALS HP8924C ALR blkdia fb ...
Страница 530: ...530 Chapter 12 HP 8924C Replaceable Parts Replaceable Parts Listing N mkt MANUALS HP8924C ALR 24c_rpl fb ...
Страница 538: ...538 Chapter 13 HP 8924E Replaceable Parts Replaceable Parts Listing N mkt MANUALS HP8924C ALR 24e_rpl fb ...
Страница 613: ...613 N mkt MANUALS HP8924C ALR errmssg fb A Error Messages ...
Страница 640: ...Index 640 N mkt MANUALS HP8924C ALR 8924CE IX V VOLUME control 61 W Write Protect Cal Data 143 ...