C204 Main Board - Epson DFX-8500 Service Manual

DFX-8500

C204 MAIN BOARD

The C204 main board contains the following ICs:


16-bit CPU:


Gate array:


PROM (including C.G.):


RAM:


ADM232L:


Reset IC:


EEPROM:
There are two types of C204 main board, distinguished by the hex screw used to attach the serial interface.
The screw for the USA and Pacific Rim board is imperial; the screw for the European board is metric.
1-42
TMP95C051A; 24.57 MHz (IC2)
E05B36 (IC1)
2M-bit (IC5)
4M-bit (IC14)
RS-232C level converter (IC9)
PST391D (IC13)
93C66 (IC11)
Figure 1-25. C204 Main Board