Sharp FACSIMILE XU-107 Service Manual page 58

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UX-177H
(2) Panel control
The following controls are performed by the SFE-LC.
Operation panel key scanning
Operation panel LCD display
(3) Mechanism/recording control block
Recording control block diagram (1)
Operator
PANEL/
Panel,
LCD PWB
Keypad,
LEDs & LCD
Printer Data
THERMAL
Control &
HEAD
Sensors
Printer
Motor
Drivers
Scanner
CCD PWB
Controls &
Sensors
Scanner
Video
Preprocessing
Scanner
MOTOR
Motor Drivers
General
Purpose I/O
Sync/Async
Serial
Port
OPO[4:0]
OPI[3:0]
LEDCT
LCDCS
STRB[3:0]
STRBPOL
THADI
PDAT
PCLK
PLAT
PM[3:0]*
VIDCTL[1:0]
START
CLK2
CLK1
Integrated
CLK1n
Facsimile
Controller
(IFC-LFE)
VIN
+VREF
-VREF
SM[3:0]*
GPIO
(16 Lines)
SCLK**
TXD**
RXD**
TEST
BATRSTn
RESETn
VBAT
TONE
TSTCLK
REGDMA
WAITn
SYNC
PWRDWNn
XIN
RTC
XOUT
Crystal
SYSCLK
MIROn
MCSn
A[4:0]
D[7:0]
RDn
WRn
A[19:0]
A[19:0]
D[7:0]
D[7:0]
RDn
RDn
WRn
WRn
ROMCSn
ROMCSn
CS[4:0]n
CS[4:0]n
DEBUGn
VDD
VSS
NOTE: * Altemative GPO lines
** Altemative GPO lines.
Fig. 4
5 – 5
RECIN
Line
Interface
TRANOUT
GPIO
MONOFAX
Facsimile
GPIO
Modem
R96SHF
External
Bus
TEL/LIU

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