Motorola R-20010 Maintenance Manual page 364

Communications system analyzer
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P/0 A14
31
29
tlU
MUU
IN
DTMF
ts
ENCODER
BINARY
MOD
U36
~0~
PIA
PIA
U36
U39
VERT
FROM RNG
SW
I
DTMF
I
It--
'
DECODER
J.
1'-
,
I
U37
I
f-
n
J
'
16
ADDRESS
I
PAGED
I
ROM
ADDRESS
DATA
BUFFER
RAM
U40, 41,
42
DECODER
~
r--
BUFFER
U33,
45
U43
U4, 7, 8,
11
U32
I'
II I I
II
I I I
I
I I
I I
IU
~
PROCESSOR
Y1
c:J
U34
I
-c._
1
MHZ
'
25
'
CHARACTER ROM DISABLE
,
rTi
M ING
G
ENERATOR-
I
~HARACTER
- - l
~
MULTIPLE~
U28,
29,,
1 MHZ
I
GENERATOR
I
f
X2
I
~
8-BIT
I
I
MULTIPLY
LATCH
J..
I
U3
I I
L
I
I
!J
I
-'-4
I
I
CHARACTER
I
RAM
U10
I
ROM
I
U26
I
U2
I
~
I
I
I
I
I
8-BIT
I
I
SHIFT REGISTER
I
I
U1
I
I
L ____
_j
12-BIT
BINARY
COUNTER
I
U24,
25
I
CHARACTER
I
G ENERATE RESET
DECODER
I
I
I
U22,
23
I
------
~

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