Epson Stylus COLOR 900 Service Manual page 51

EPSON Stylus COLOR 900/900N
The figure below shows the C265 main board block diagram.
H D 6 4 F 2 3 5 7
( I C 1 )
C N 4
U S B
C N 1 3
F A N
C N 1 6
A S F S o l e n o i d
P R O M D - R A M
M - R A M
( I C 4 ) ( I C 5 )
( I C 6 )
C R U 1
E 0 5 B 5 9
( I C 2 )
A 3 9 5 7 ( I C 1 3 )
A 3 9 5 7 ( I C 1 4 )
Q 7
C X A 2 1 2 8 ( I C 1 5 )
Q 9
C X A 2 1 2 8 ( I C 1 6 )
Figure 2-13. C265 Main Board Block Diagram
C N 1 5
E 0 5 B 6 0
S e n s o r s
T i m e r
( I C 3 )
/ R S T
7 4 L V 1 6 1 2 8 4
( I C 9 )
C N 1
C e n t r o n i c s
S N 7 5 L B C
T 9 3 C 5 6
( I C 1 0 )
( I C 7 ) C N 3
M a c . S e r i a l
L B 1 8 4 7 ( I C 1 1 )
L B 1 8 4 7 ( I C 1 2 )
C N 1 2
A S F m o t o r
C N 8
H e a d 1
C N 9
H e a d 2
Chapter 2 Operating Principles
R T C 9 8 1 0
( I C 8 )
C N 2
T y p e B I / F
C N 1 0
P F m o t o r
C N 1 1
C R m o t o r
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