565
Chapter 14, Diagnostics Descriptions
Description Of Audio Diagnostics (AFDIAGS3)
N:\mkt\MANUALS\HP8924C\ALR\diagnos.fb
Figure 60
Modulation Distribution External Path 2
a
b
a
b
A
34
M
O
D
U
L
A
T
IO
N
DI
ST
RI
BU
T
IO
N
a
I/O
Con
tro
l
Mo
d in
Bu
ffe
r Am
p
Mod
in
A
C/D
C
Co
up
ling
a
M
oni
tor Sel
ect
Mu
ltip
lex
er
MIC
Pr
e-E
m
p
h
75
0 us
a
Mo
d/
Mi
c
Su
mmi
ng
Amp
Ext
Le
ve
l
A
mpl
ifier
DA
C
Contr
ol
a
S
a
M
o
d
ula
tion
Se
lec
t
S
o
ur
ce
Sw
it
ch
a
a
b
-1
c
b
SE
LE
CT
A35
Au
dio
FM
P
ola
rity
a
d
a
a
a
AU
DI
O
OU
T
Au
dio
AC
/D
C
Co
upl
ing
S
S
6
9
Au
di
o Ou
tp
ut
S
um Am
plifi
er
a
b
40
d
B
40
d
B
Att
en 2
0 dB
or
40
dB
Sw
itc
hin
g
20
d
B
a
b
20
d
B
Att
en 1
0
dB
or
20
dB
Sw
it
ch
in
g
In
t
Le
vel
Am
plif
ier
DA
C
C
ontr
ol
12
a
b
20
kH
z
20
0 Hz
c
25
0 Hz
15
0 Hz
d
In
te
rna
l Pr
eM
od F
ilte
rs
Fil
ter
/Am
plif
ier
s
C
ontrol
Contr
ol
/Status
M
ult
ip
le
xe
r
7
11
8
15
16
14
13
5
4
3
1
2
10
To
An
aly
zer
1
(FP
)
AFG
1
F
rom
A
15
S
ign
ali
n
g
Sou
rce
/
Ana
lyz
er
MO
N
(T
EST
C
ABLE)
MO
DU
LA
TI
O
N
IN (R
P
)
Summary of Contents for 8924E
Page 52: ...Contents 52 N mkt MANUALS HP8924C ALR 8924CE TOC A Error Messages ...
Page 53: ...Contents 53 N mkt MANUALS HP8924C ALR 8924CE TOC Index 633 ...
Page 54: ...Contents 54 N mkt MANUALS HP8924C ALR 8924CE TOC ...
Page 137: ...137 N mkt MANUALS HP8924C ALR per_adj fb 4 Periodic Adjustments ...
Page 449: ...449 N mkt MANUALS HP8924C ALR service fb 10 Service Screen ...
Page 455: ...455 N mkt MANUALS HP8924C ALR blkdia fb 11 Block Diagrams ...
Page 522: ...522 Chapter 11 Block Diagrams Assembly Details N mkt MANUALS HP8924C ALR blkdia fb ...
Page 613: ...613 N mkt MANUALS HP8924C ALR errmssg fb A Error Messages ...