Block Diagram - Sharp MX-LCX3N Service Manual

2. Block diagram

Main unit
DOWN SW PWB
LCC tray LED(LTLLED)
LCC tray SW(LTLSW)
+24V
LCC separation
auxiliary fan(FAN1)
LCC separation
auxiliary fan(FAN2)
LDSW(24V)-ICP
LCC paper feed
clutch(LPFC)
LCC paper feed
IC protector
clutch(LTRC)
ICP-N15
+24V
LCC tray lock solenoid
IC protector
ICP-N20
LCC paper feed solenoid(LPFS)
IC protector
ICP-N15
RXD-LCC
TXD-LCC
DSR-LCC
DTR-LCC
RES-LCC
TRC-LCC
5V
5V
GND2
+24V
24V
GND1
F.G.
Lock release(LTLSU)
Lock(LTLSL)
MX-LCX3N ELECTRICAL SECTION 11 – 3
Communication
buffer circuit
Input circuit
Onboard
writing circuit
Communication
writing circuit
LED drive
circuit
Sensor
input circuit
Buffer
circuit
Solenoid clutch drive circuit
Xtal
7.37MHz
EEPROM
A3-LCC P
A3-LCC