Sharp AM-900 Service Manual page 101

D
7
SYSTEM ERROR
[P7]
E
E
8
SYSTEM ERROR
SCANNER ERROR
[S1]
Printer Controller
Communication Error
Main to Printer Con.
Communication Error
Not rotate
scanner motor
Not detect Home
Position Sensor
CIS LED not Light
1
5 – 28
X5 and
fail its peripheral parts
CNICEM-9pin
(Connector)
IC21 (Printer CPU)
IC1
(Main Controller)
IC14 and
its peripheral parts
C, R on route
of IC14~IC1
IC21 (Printer CPU)
IC15 and
its peripheral parts
C, R on route
of IC15~IC21
IC10 and
its peripheral parts
C, R on route
of IC10~IC1
IC1 (Main CPU)
IC12 (driver)
F3 (fuse)
Q5/Q6 (Tr)
C,R on route
of IC1~IC12
IC1 (Main CPU)
CNHPS
(Connector)
C,R on route
of CNHPS~IC1
IC1 (Main CPU)
IC36 (Regulator)
Q29~Q34 (Tr)
C,R around
IC1,IC36 and Q29~Q34
AM-900U