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EPSON Stylus Color 900 Revision C
Product Description Component Layout 40
Figure 1-11. C265 Main Board
L ith iu m B a tte ry
IC1(CPU:H8S)
IC2(E05B59)
IC3(E05B60)
IC4(O ne-tim e PR O M )
IC5(D-RAM)
IC6(CGROM)
(IC11) PF M otor D river
(IC12) CR Motor Driver
IC8(Tim er & EEPROM)
CN14
CN9
CN8
CN1
CN3
CN4
CN2
CN-
12
CN-
16
CN-
11
CN10
CN5
CN6
CN15
CN13
Therm istor (detects tem perature
of the heat sink)
C harging/Discharging driver
for driving the black nozzles
Q 5 (upper), Q 6 (lower)
C harging/Discharging driver
for driving the color nozzles
Q 3 (upper), Q 4 (lower)
Heat Sink
Therm istor (detects tem perature
on the printhead board)
IC16 (upper), IC15 (lower)
H ead pre-driver
IC13 (upper),
IC14 (lower)
ASF Motor Driver