HP 8924E, Сборка

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478
Chapter 11, Block Diagrams
Assembly Details
N:\mkt\MANUALS\HP8924C\ALR\blkdia.fb
__ __ __ __ __ __ __
Σ
Q_ OU
TP
U
T
(Q_M
OD
_OUT
)
J6
0-
C
1
Q_
O
U
T
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Ga
in
C
ont
rol
DA
C
I-
Q
G
ai
n
Cont
ro
l
Dat
a
J60:
B
24-
27
C188
-25,
27
A
8 CE
L
L
SITE ANA
L
O
G
P
o
w
er S
u
p
plie
s
a
nd Gro
und
s
Gnd
J
60:
A
29,
B
29,
C29
+3.
3V
-5V
(9
5070
5-4.
doc
)
+5V
J60:
A
31-
32,
B
31-32
,
C
31
-3
2
J
60:
A
28
,B
28,
C2
8
+12V
J6
1:
A2
,B
2,
C2
-12
V
J6
1:
A
4,B
4,
C4
+15V
J61:
A
1,
B
1,
C1
-15
V
J6
1:
A
5,
B
5,
C5
J60-
A
15
PP
2S
/
CS
1I
S
T
R
B
CS
1Q
S
T
RB
CS
21S
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R
B
CS
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RB
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vi
der
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r D
A
C
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k
Gen
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A
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Q1
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Q1_ A
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1
I1_ A
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I1
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1
I2_ A
M
P
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2
Cel
l S
ite
#1 V
id
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Cs
V
ol
ta
ge Ref
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nc
e
Vi
de
o
DA
C
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n C
ont
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DA
C
I2
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2_GA
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ideo
DA
C
Q2_ A
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P
Q_
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2
I3_ A
M
P
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IG
3
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Q3_
G
A
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Q3_ A
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P
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IG3
Ga
in
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V
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I4_ A
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P
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C)
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Gain C
ont
ro
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C
4
C
hanne
ls
of
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ul
ti-
pl
ex
ed
I and
Q
D
ata
fr
om
the Di
gi
ta
l
J2
(P
2)
:
B
13-
17
B
27-
30
C7
-C
17
C
19-
30
G
ai
n DA
Cs
V
ol
tag
e R
ef
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ce
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R
E
F
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ro
l
DA
C
I5
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A
IN
Q5_
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A
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M
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M
P
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M
P
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6
Cel
l S
ite
#2 V
ide
o
D
A
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V
ol
tage Re
fe
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e
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ai
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rol
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C
Q6_
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M
P
Q_
S
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I7
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P
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7
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A
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P
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IG7
Ga
in
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ont
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C
Vi
de
o
DA
C
I8
_ A
M
P
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SIG
8
Q8_ A
M
P
Q_ S
IG8
(NC
)
I8_ GA
IN
Q
8_GA
IN
Gain C
on
tr
ol
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C
4 Cha
nnel
s
of
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ul
ti-
pl
ex
ed I
an
d
Q
D
at
a fr
om
th
e
D
ig
ita
l C
ell
J61: A
7-1
1,
13
-17
A
25-
27
20
-23,
A
25-30
B
7-12,
20-2
3
25,
26
I-
Q Gain
C
ont
rol
Da
ta
J1
(
P
1)
:
A1
7
A
19-
23
B
17-
23
V
R
E
F
_4
_S
Σ
I_
O
U
T
P
U
T
(I
_M
OD
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)
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O
U
T
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l. D
ata
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oard
R
ev
.
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ag
nos
tic
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PR
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M
C
S
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DA
T
A
CL
K
J1
-A
5
J1
-A
7
J1
-A
8
MU
X
V
R
E
F
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V
R
E
F
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I1_G
A
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A
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E
F
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I_
O
U
T
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O
U
T
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J60-
A
3
(C
S
A
_DI
A
G
.)
Di
ag
nos
tic
P
oi
nt
s
H
ost
Pr
o
ce
sso
r I
n
te
rf
ac
e
C2
,3
No
te:
M
ot
he
rbo
ar
d
c
o
nn
ec
tio
ns
n
ot
li
st
e
d
ar
e
no
t us
e
d.
J6
0-
A
14
8X
CHI
P
B1
-3
,3
0
J
60:
A
2,
4,
8-12,
16,
18,
24,
30
J60:
A
3,
6,
12,
18,
19,
24,
31
B
3,
6,
31,
32
J60-A
1
I
&
Q Su
mmi
n
g
A
m
p
lif
ie
rs