Read Sharp AR-LC6 (serv.man2) Service Manual online
: Jan. 9 2004
1
AR-LC6 ELECTRICAL SECTION 8 - 2
2. Block diagram
EEPROM
RXD-LCC
DSR-LCC
TXD-LCC
DTR-LCC
RES-LCC
GND2
5V
24V
GND1
F.G.
Main unit
Comm
unication
b
uff
er circuit
Xtal
7.37MHz
24V monitor
circuit
24V
Upper door open/close
s
w
itch (LOSW)
Upper limit s
witch (LLSW)
Lift motor (LLM)
Upper limit sensor
(LUD)
Lo
w
er limit sensor
(LLD)
P
aper presence/empty
sensor (LPED)
P
a
per e
xit sensor (L
TD)
Main unit connection
sensor (L
T
O
D)
Cassette sensor (LCD)
Remaining quantity
sensor (LRE)
P
aper f
eed clutch
(LPFCL)
T
ranspor
t clutch
(L
TCL)
P
a
per f
e
ed solenoid
(LPSL)
T
ranspor
t motor
(L
TM)
Upper door detection
monitor circuit
Upper limit detection
monitor circuit
P
oly-s
witch 1.1A
Lift motor dr
iv
e
circuit
Current limit
circuit
Sensor input circuit
Solenoid/clutch dr
iv
e circuit
CPU (HD64F3644H)
Ar
ithmetic section
On-board wr
ite circuit
P
o
w
er 12V circuit
Comm
unication wr
ite circuit
24V
12V
LCC MAIN PWB
LCC
1
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