Read Sharp MX-LCX1 (serv.man2) Service Manual online
MX-LCX1 ELECTRICAL SECTION 10 – 2
2. Block Diagram
LPFM
LLM
CPU
(H8/3687HV)
EEPROM
LCC
MAIN
PWB
CR
MX-LCX1
GND2
Xtal
7.37MHz
LUD
LDD
LPED
LPFD
LTOD
LCD
LRE
LTRC
LPFC
LPFS
LLSW
LDSW
+24V
+24V
+24V
+5V
+5V
+5V
+5V+5V
+5V
+5V
+5V
(TD62003AP)
+24V
-
-
/LPFM
/LPFM-CLK
LPFM-T
/RXD-LCC
/TXD-LCC
/DSR-LCC
/DTR-LCC
RES-LCC
/TRC-LCC
+5V
GND2
+24V
GND1
A
C-L
A
C-N
Heater
Ground
On-board
wr
ite
circuit
Output
b
uff
er
Output
b
uff
er
+24V
+5V
Input
b
uff
er
Input
b
uff
er
Input
b
uff
er
Input
b
uff
er
Tr
ansistor
arr
a
y
Sensor
input
circuit
Current
control
circuit
Lift
motor
dr
iv
e
circuit
P
oly
switch
1.1A
L24VM
LDSW
LLSW
Upper
limit
monitoring
circuit
Upper
door
monitoring
circuit
24V
monitoring
circuit
Upper
door
latch
switch
Upper
limit
switch
LCC
lift
motor
MX-2300/2700
F
F
Tray
upper
limit
sensor
Transport
sensor
Tray
lower
limit
sensor
Paper-on-tray
sensor
Main
unit
connection
sensor
Tray
insertion
sensor
Lift
motor
encoder
sensor
LCC
paper
feed
clutch
LCC
transport
clutch
LCC
paper
feed
solenoid
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