Epson FX-80 Technical Service Data page 18

i
R1
$
1.2K
C11 -A.
(15P)
^
2
HOI"
W
(i~
33P
5P)
26
EA SS
t^J4^Jl^i^2J^^»2}JIJ^,
i^.
3C 8039
W-.
-Mt
34 33 31
31
30 29 24
27
as&ttaei
38 3? 36 35
A001 2 3 4
5
6 7
14 ? 13 8
St
3 4
IS374
1D"
t2|44
4
15 6 12
3»t3?|»6|»i 2tfe3|22fe.
11
Jk
il
21 9 10
14 IS 16
17
13
WIS
1819
16 17
_EB°2_
8110
IFF
tttr
x:
H-htH
IsbJ
i
VppDO
1 2 3 4 5 6 7
vcc_
2
716
CSf—
I^CSIOS
8
7
i
5.
2fe
2C
-*
20
9rnio Oldffliab
7
U
8
ol |1D2
3 4 5
8
7
8
12115
L5373
2B
E
m%*w
LJ-4
t-t-f-
mzzf:
_j
G24G2BS'
/
LSI 3 8 1C
GiR
(CS.WRI
\{irh°
16 19 2 5
Jo HD-{X3orX8!
Q1
2348678
•
4B
LS374
{
1
N BUF
D12345S7 8"
13 14
hi
18 4 7
TTT
u
|(X2)
OBFi
4A
IxTiL
LOT
±=±
IBF
4A
yen
5
I
He
C12
0.1>j
9
\n
J
12
]9
s
,
r
Tmm:
1
1615
U
13 12
11 10
P2728 25 24 23 22
2120 SYNC
PROG PROG
SS EA
Xi X!
MJ-CS-RO) 5
rami
oh'
FO
2A
US)
exs)
9
2
d
:.q^
1
<X9)
$»$
(XI.
WB)
(IB)
13
102D3D4D
¥.
LS374
Ql 2 3
4
14 17
18
012345S78
LS3W*
5
3S
"y
11
WW
16 19
!SO?
I
Iff
AA
i-
SA0-CS-RD!
12|13il4l5j1Sl17j18i»! 10
10>i
c,s
+
^T^
CN1
RDWsS
Ao TO
T1
8042
(
1C
SOCKET)
DO
1
2
3
4
5
6 7 Gl ¥cc ¥00
o
s
o
O m
m
3
r-
W
x z
SUMi
BOARD
34
Courtesy
of
Epson America,
Inc.
NOTE: SUM!
BOARD USED
IN
MODELS
WITH
SERIAL
NUMBERS
310001
TO
313035
SUM
BOARD
7