Motorola R-20010 Maintenance Manual page 448

FRONT PANEL ASSEMBLY
DISPLAY BOARD ( A18A1 )
(RTC-4049A)
F1gure 18-3. Schematic
18-10
--
- ·
~·~
""''"""""' "
~~
....
::..~u o.-•N>W
1~~~~~
..
~~
;,~ oc...!:;,.,~~'!..
..
~
~~;~~~~
..... s.o• t·•• t4
""'
rtf/OJI
, ,..,_2L.~
,.
tr----
05 ' '
:
·~'Y-OEN,, MONM:Q.
m
C'"uw,
l
t:
1 11 ,
OS>4 _ - - - - - - - - - • MODUL.ATLO
u.t.o
r;;- _,)
l-1•1
OS~
- - - - - - - - SPEC.T AAA.l.VZ E.Q.
l4\l• DS"- - - - - - - DuP LEX G.[.N
O$f7 - - - - - - - - Qf" M(.MOQ."''
•t OS4 - - - - - -
SIG N~L I~
SEQ
J.>----l].Y
C',. - - - - - - - - - fR.E.Q C,:)UWT£Q.
I.
L _ _ ' " "
::·~-_:-_,
___ _
DVM/OIST
"'
,.,,
~-----·----- 1~
oon = -----•-----
•
""'
AJ
~u :uu: ~ Ll..._ _
_,.+----;;,
1
..,. ' c' -
""'
.
..
-
-·~---
'"
_ e st•
EXT W.t.T""Mtlt:lil
"
SCOPt A C
$GOP!. DC
~.~
I
:.m
I :;
~..-u~
~ ...
~
...
<
""
.
~
.!..!!!
....
~
:
~~~~~~~~~~~
,
...
~ w
AM
SSB/O~BSC.
SWP I•IO~Ha.
SW P .01-I M Hz
.~
•t-w. n
. .
<hiOU'O
"""'"
..... t
-·
"""'
c.a.u..- o
""""'"'
""""""t
""-"""
.
.....
,,
~ I
'
'
' - - - - -
Sl
--·~---
::
~~~~:-~~-:::::
tt
o,t :--:.._-_-_-_-_-_-_-_-_
.--
-
-~· -- -
--
0~11'\.
• .,
t:UW(.TIQW
~··'10-.1
PC / DPL
PI./O PI.. INV
TOW£ A
iONE. 8
TONE SEQ
tON £
IU~OTE
C.l't6i:i"o611"~":
J)l
~~
C.S"-
a;;:;;
( W
II I ) !,w.
~'!
[.N
~IC.o
!1 .•
)~
'
'
~.tOOf/•r~o~ 1 ~ ·o~
~rw~ : ~
ll!Wtnil••
~ ~~
~c.wo
~- ~-
OliN
~•o
.t..loOOCl '
o.n
I
cw~
1.1.0
"''~
~~·
11
1L
~tO
oc uo
loWOOl
"'otit oc.
~c.o c.a :noooc.
~~ WARNING
\ - . STATIC-SENSITIVE PARTS
' j
HANDLE APPROPRIATELY
...
~
· •~~~•sv ....
~
....
~