Engine H/W Specifications - Dell 1135N Service Manual

2.2.4 Engine H/W Specifications
2.2.4.1 Main PBA
The Engine and the Printer Controller function are housed into one Main Board called Main PBA. The CPU
is functioned as the bus control, I/O handling, drivers, and PC interface. The main board sends the Current
Image of Video data to the LSU and The CPU on Main PBA manages the circuits for the motors: paper feed,
paper path, clutches, pre- transfer lamp, current control to driver components, and fan driving. The signals
from the paper feed jam sensor and paper empty sensor are directly inputted to the main board.
FUSER
PLATEN PLATEN
PLATEN PLATEN
MOTOR IC MOTOR IC
MOTOR IC MOTOR IC
NETWORK
Network IC Network IC
Network IC Network IC
USB
USB 2.0 USB 2.0
USB 2.0 USB 2.0
IC IC
IC IC
EEPROM EEPROM
EEPROM EEPROM
LINE
EXT.
Service Manual
Product specification and feature
CIS PLATEN MOTOR
OPE
FAX FAX
FAX FAX
CONEXANT CONEXANT
CONEXANT CONEXANT
2-19
ADF LSU
SPEAKER SPEAKER
CRUM CRUM
OUT BIN FULL OUT BIN FULL
Jupiter 5 Jupiter 5
Jupiter 5 Jupiter 5
HYPER HYPER
SDRAM SDRAM
Pick up Clutch Pick up Clutch
BLDC & BLDC &
REGI CLUTCH REGI CLUTCH
DDR2 DDR2
DDR2 DDR2
SDRAM SDRAM
SMPS SMPS