Dell 1600n - Multifunction Laser Printer B/W Service Manual
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Brand: Dell
Category: All in One Printer
Type: Service manual for Dell 1600n - Multifunction Laser Printer B/W
Pages: 189 (12.29 Mb)
Download Dell 1600n - Multifunction Laser Printer B/W Service manual
Circuit Diagram
Service Manual
11-1
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1
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11. Circuit Description
11.1 System Configurations
SCX-4920N is roughly made up Main Control part, Operation Panel part, Scanner part, Line Interface part and
Power part. Each Part is separated Module which focus on common and standard design of different
kind products. main control part adopting Fax & LBP Printer exclusive Controller is composed of 2
CPU and 1 Board. Scanner part is composed of ADF and Platen and is connected with Main by
Harness . Line Interface part is designed to apply TBR21 standard(Domestic, Europe,etc..)
MHV
+5V/
+12V
+24V
+24VS
INLET &
POWER S/W
PAPER EMPTY
SENSOR
EXIT SENSOR
MP EMPTY
SENSOR
FEED SENSOR
COVER S/W
AC PWR
SUPPLY
DEV
THV
OPC GND
SPGPm
ARM946ES
CACHE(16K*2)
SDRAM Control
ROM Control
DMA Control
PVC
GEU/HCT/gCOD
EC
I/O I/F
Engine Control
IEEE 128 4/U SB2. 0
MAIN MOTOR
DRIVER
A3977SLR
Reset
THERM
26P
2P
MODEM
SFM336
33.6KBP
AUDIO Drv.
2P
600 DPI, COLOR CCD
MAIN MOTOR
FLATEN MOTOR
FAST SRAM
(128 KByte)
CIP4
Image P ro cesser
AFE I/ F
I/O PORT
Motor Control
DMA Control
RTC
JBIG Codec
CIP4 AFE
FLATEN
MOTOR
DRIVER
TEA3718 X 2EA
CCD DRIVING
PART
USB 2.0
IEEE1284
NETWORK
ADF UNIT
P-REGI, P-DET, P-POS
SENSOR
ADF MOTOR DRIVER
TEA3718 X 2EA
FLAT COVER SENSOR
LCD, 16*2 LINES
14P
3P
FUSER
2P
FAN
2P
NETWORK INTERFACE CARD
SCF(Option)
BootROM
(1MBX2ea or 2MBX2ea)
ME MO RY DI MM
Smart DAA
CX20493
PS3 / PCL6 DIMM(SEC)
SRAM
(1 28KByte) or
Not Used
SDRAM(16MB or 32MB)
DRAM Backup logic
PCL6(2MB x 2ea)
PS3(2MB x 2ea) : DELL
3P
LINE
EXT. PHONE
LSU
11P
PTL
DEV_FUSE
MAIN CLUTCH
2P
2P
3P
MP CLUTCH
4P
TONER RX
CARIDGE INFO.
.
TONER TX
4P
3P
4P
AC 110V/220V
MICOM
LCD/LED Drive
Key Scan
OPE
MAIN
SMPS
HVPS