Wyse WY-60 Maintenance Manual page 112

Figure 7-4 Terminal PCB Schematic (Monitor/Power Supply),
page 3 of 3
4 3
2
o
B
c
A
lOOLV'6V ByPASS CAPACI TORS: C19,C20 .
O.lU/~V BYPA.SS CAP!'CITORS C269~"WO.
C
31,c32 ,C33..C304,C3?.(..36,C37,C38,C 39.C40,CAl
~~~ '~~.f~~Nt4~i;:
7.C51,
~~a ~~\J~}~,;'~;i P~I~~_
PtN14
TO SHEEf I
00
A8
A9
AI2
SIO
01~28
00 27
1'L,12
" 10
''''1
IJ':,
.::6~1
IJART
~ MC1489
4
U25
6
5
NC
EX"il
us
j I RXD
+5v
PI?! +::V
,
III
F1N'J
O~Tl ~IN8
UI
~)fi
'11.
,:i~PlN3S
P!~13
'
~,CC"f
cE T
~
07,
06L:=
n::;" _
05
is
04
D4~
D3F -
02~
01
~~l~
~~5V
1
L1 10
~~
1-C1488
~
vr
MCI489
~ - - - - - ~ ,vq::
n
~
Vc<b l--f ,
' L 3 i/iliJA
~;:~ ~
RXiic:D
, 0
:2E==
'0
A
AUX.FDRT
J2
I
B
IfXD<:b
~
0
~~DE:'1 PORT
t~
o
I[-l
-1·
i~;
:ot-
I
""'=t'
t
_ _
16 '
OTR"
1
c'.
2CpF
..L
C
'"'I
' t Tl
' i :%\lF I
"m,',
c~,
0 "
'"'
~
.=~-
4 3 2
7-13
i"