Main Pba (Workcentre M15/M15I ) - Xerox WorkCentre Pro 412 Service Manual

Circuit Description
5-2 Main PBA (WorkCentre M15/M15i)
5-2-1 Summary
The main circuit that consists of CPU, MFP controller (built-in 32bit RISC processor core: ARM7TDMI)
including various I/O device drivers, system memory, scanner, printer, motor driver, PC I/F, and FAX trans-
ceiver controls the whole system. The entire structure of the main circuit is on the following page.
LCD 20x2line
OPE
M ICOM
- LCD Drive
- Key Scan
5P
Platen
15P D -SUB
D -SUB
CONN.
FLAT M OTO R
O ption
ADF
MOTOR
DRIVER
DADF MOTOR
PAPER SENSOR
3P x 2EA
POS,DET
5-2
CN8
NetworkCARD
CENTRONICS
36P
CABLE
8P
SCF
4P
OU T BIN FULL
2P
PC N T
4P
HYPER
4P
DEV CN T
2P
OPC
4P
USB CABLE
CN 1
22P
CN 20
CN 27 CN 30
10P
External
CCD M O DULE
Auditron
2P
2P
SO LENO ID
PICK_UP,DUPLEX, M P
Block Diagram
SCA N
CN 2
24P
Flash DIM M
PS3
(2M B)
CN15(100P)
10P
SDRAM DIM M
16M B
11P
C N15(100P)
3P
M AIN PBA
3P
3P
4P
CN 22
4P
CN 28
CN 3 CN 24
3P 6P
3P
14P
2P
PAPER
SEN SO R
FEED+P. E M P,EXIT,M P
3/03 WorkCentre Pro 412, FaxCentre F12 &
T M DEV
SUPPLY
H H
V V BLADE
SMPS / HVPS
+5V/+24V/+12V/+24Vs/Fuser
DEV M OTO R
8P
FEED M O TOR
LSU
2P
THERM ISTOR
FAN1
3P
FAN1
DEV_ID
TONER_TX
TO NER_RX
2P
PTL
CO VER OPEN
S/W
+24V /+5V
LIU
MODEM
TRANSFORMER
EXT_PHONE
600//600
SEPRATING
Tx:Rx
PART LINE1
EXTERNAL
LIN E
PHONE
EXTERNAL
INTERFACE
IN T ERFAC E
PHONE
PART
WorkCentre M15/M15i