Brother International FAX-1010 Service Manual - Page 33
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... ... a fe$, I> • • T.. • 1 • T::.. •1.s •• 1.415.1 ; ACIMIt2. o I Main PCB Circuit Diagram 1/5 C) FAX engine (ASIC) which integrates a CPU, digital portion of MODEM and gate array for managing the I/Os, memories, and drivers. ® XTI, oscillator for the CPU. ® XT3, oscillator for the calendar clock. ® XT2, oscillator for the MODEM. ® Reset IC which turns on at the powering-on sequence and at any of the reset opera- tions. ® Connector for the control panel O Recording head drive voltage detector ® Inverters ® Connector for the modular PCB Co Connector for the hook switch PCB C) Backup circuit for the calendar clock III -21
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• •
..
•
1
T
a
fe$,
I>
1.415.1
;
ACIMIt2.
•
•
!":•;•'
;!!,
•
T
::..
•1.s:
•"
.........
$
••
••
o
I
Main
PCB
Circuit
Diagram
1/5
C)
FAX
engine
(ASIC)
which
integrates
a
CPU,
digital
portion
of
MODEM
and
gate
array
for
managing
the
I/Os,
memories,
and
drivers.
®
XTI,
oscillator
for
the
CPU.
®
XT3,
oscillator
for
the
calendar
clock.
®
XT2,
oscillator
for
the
MODEM.
®
Reset
IC
which
turns
on
at
the
powering
-on
sequence
and
at
any
of
the
reset
opera-
tions.
®
Connector
for
the
control
panel
O
Recording
head
drive
voltage
detector
®
Inverters
®
Connector
for
the
modular
PCB
Co
Connector
for
the
hook
switch
PCB
C)
Backup
circuit
for
the
calendar
clock
III
-21