Ic Locations - Epson FX Series Product Support

GENERAL
6.6 IC LOCATIONS
The schematics shown on the next few pages are for locating replaceable
Integrated Circuits on the main boards.
Replaceable IC'sare indicated with a double line as shown in figure 6-9.
Fig. 6-9. Replaceable ICSymbol
On the FX-85.185, 80, and 100, there are some IC's that fit in sockets that are
larger than tne IC. The proper orientation of the IC in the socket is shown by
the following symbol (fig. 6-10).
Fig. 6-10. Offset Orientation of IC Symbol
When replacing IC's, be sure to order the proper IC for the printer being
serviced.
6-14
6.6.1 FX-85/185/286 IC Locations
FXEXT Board
C2
5 CNI '0
C3
U
C5 ^^4168^20 O 14 4I6B-ZC
•32
:'®/ N-
*15" (1»)CI
C4
i t
EPSON PRINTERS
25~
5A
20N
^ _ 15 l4 i!
e n C7 CB C9 u
20
—'a^—^8 —^8^
L
;o;
74LS00 74LSOO 74LS02 74LS00
10
74LS374
UNIT Y49220800000
FXEXT BOARD
oec-i9v-i
EPSON
laaa aaaDaDKI