Brother International HS-5300 Service Manual - Page 21

Logic, circuits, Solenoids, motor, Heater, Carriage, Print

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1.2 Configuration of Electronics (1) Control PCB Receives the data and controls the PA and carriage motors, solenoids, platen heater, switch panel, paper sensing, head temperature, platen temperature head voltage, PS fan motor and fan motor. It also detects the amount of ink remaining, the maintenance PE and sends the data to the head driver. (2) Driver PCB Drives the PA and carriage motors, solenoids, LEDs on the switch panel, platen heater, head heater, ink remaining detection circuit, PS fan motor, fan motor, head and sensors. (3) Panel PCB Three switches and five LEDs are mounted on this PCB. (4) CR PCB Connects the driver PCB to the following parts on the carriage. Paper width sensor, encoder, head heater, head OHS heater and LOIS circuit (5) Power supply unit: Generates voltages as below. Head drive ICs are mounted on the head and connected to the driver PCB through the CR PCB. 5V 25V 52V 39 / 30V : Logic circuits Solenoids PS fan motor Fan motor Heater Carriage motor Print head PA motor 11-2

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1.2
Configuration
of
Electronics
(1)
Control
PCB
Receives
the
data
and
controls
the
PA
and
carriage
motors,
solenoids,
platen
heater,
switch
panel,
paper
sensing,
head
temperature,
platen
temperature
head
voltage,
PS
fan
motor
and
fan
motor.
It
also
detects
the
amount
of
ink
remaining,
the
maintenance
PE
and
sends
the
data
to
the
head
driver.
(2)
Driver
PCB
Drives
the
PA
and
carriage
motors,
solenoids,
LEDs
on
the
switch
panel,
platen
heater,
head
heater,
ink
remaining
detection
circuit,
PS
fan
motor,
fan
motor,
head
and
sensors.
(3)
Panel
PCB
Three
switches
and
five
LEDs
are
mounted
on
this
PCB.
(4)
CR
PCB
Connects
the
driver
PCB
to
the
following
parts
on
the
carriage.
Paper
width
sensor,
encoder,
head
heater,
head
OHS
heater
and
LOIS
circuit
(
5
)
Power
supply
unit:
Generates
voltages
as
below.
Head
drive
ICs
are
mounted
on
the
head
and
connected
to
the
driver
PCB
through
the
CR
PCB.
5V
Logic
circuits
25V
Solenoids
PS
fan
motor
Fan
motor
52V
Heater
Carriage
motor
39
/
30V
:
Print
head
PA
motor
11-2