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9
AC 110V/220V
9. Block Diagram
WorkCentre PE16
MAIN
USB 1. 1 SUPPLY EXI T SEN SOR DEV T HV MP E MP. SEN SO R FEED SENSO R +5V/ +12V/ +24V IEEE1284 ARM9TDMI GEU P1284 USB 1.1 1 TU 26P
HR(ZENER)
SENSOR INLET & POWER S/W
SMPS
MHV
P_ EMP.
S3C46Q0X
RESET
S D RAM ( 8MB)
LCD (16X2)
THERM.
COVER S/W AC PWR 2P 2P +24V 2P I/O I/F DMAC PVC UARTX2 MEMORY I/F CACHE (4K) IMAGE PROCESSOR
OPC GND
OPE
FLASH M EMORY (1MB)
14P
PLATEN COVER FUSER
3P
HT48C50
HVPS
FAN
11P
LCD/LED DRIVER
KEY SCAN
SENSOR DRIVER
E X TE RN A L GPI O 74HCT273 x 2 74ACT245 x 1 LD CTL.
LSU
4P
CONN.
MODEM 336.Kbps 24PX2 AUDIO PART MODEM AFE
6P
MAIN MOT.
3P
MAIN MOTOR DRIVER (A3977SLP)
MAIN SOL.
2P
PLATEN MOTOR DRIVER (TEA3718X2)
CCD LAMP CONTROL
MP SOL.
2P
ADF/ PLAT MOT CONTROL
A D F
PTL
4P
ADF
14P
16P
LINE
PLATEN MOTOR ADF POS SEN. ADF DET SEN. ADF REGI SEN.
4P
TRNSFORMER 600 : 600 TX : RX
MODEM & EXT. PHONE SEPERATING PART
24P
BLOCK DIAGRAM
Service Manual 9-1 June 2003
ADF MOTOR DRIVER (TEA3718X2)
CCD
ADF MOTOR
LIU
LINE INTERFACE
EXT.PHONE INTERFACE PART
EXT. PHONE