Sanyo SFX-30 Service Manual page 59

Facsimile transceiver
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.
(4) Abbreviated
signal explanation
SIGNAL NAME
FUNCTION
] CONNECTION
I
NOTES
DO-D7
E
RS
BZON
BZ
/STOP
COLO-2
/ROWO-3
LPERR
LPANS
/DHS
RIMUTE
SPMUTE
MONOUT
SHORT
HZ44
/ HS
PCE1
EARTH
8~L
RXLINE
TXLINE
MONITOR
HV
DATA
CLOCK
/sTB1-2
THM
THMG
CUTF
CUTR
/CUT
IPAP
ISPSZ
/JAM
/RMlo–3
(RMOO-3)
VLED
GLED
CLK
SI
VIDEO
/s1
/s2
1s3
/TMlo-3
[yoy-3)
HGND
SP+
sP-
LCD data bus
LCD data enable
LCD register selector
Buzzer signal
Buzzer power supply
Stop switch
Key scan column
Key scan row
Error LED
Answer mode LED
Internal handset hook up detection
Ringer signal mute
Monitor mule
Line
monitor
Circuit short signal
Daial tone/Busy tone detection
External TEL hook up detection
Ringing signal detection
Circuit earth signal
Dial pulse signal
Connect modem to line signal
Reception signal
Transmission signal
Monitor signal
TPH. power supply
TPH. serial data
TPH. serial clock
TPH. strobe signal
TPH. thermistor output
TPH. thermistor GND
Cutter motor forward
Cutter motor reverse
Cutter wait position
Recording paper stock detection
Recording paper size detection
Recording paper jam detection
Reception motor pulse signal
(Reception motor drive signal)
LED drive voltage for CIS
LED GND for CIS
Clock for CIS drive
Scan signal for CIS drive
Video image signal
Document stock detection
Document read position detection
Document size detection
Transmission motor pulse signal
(Transmission motor drive signal)
Thermal head power ON signal
Thermal head power GND
Speaker drive signal +
Speaker drive signal -
CN2-CN21
(CN22-LCD)
CN2-CN21
(c::2;~:)
f;;;;~;y)
CN2-CN21
CN2–CN21
CN2-CN21
CN2-CN21
CN2-CN21
CN2-CN21
CN3-CN31
(CN32-CN41)
CN3-CN31
(CN32-CN41)
CN3-CN31
(CN32-CN41)
CN3-CN31
(CN32-CN41)
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN3-CN31
CN4-TPH
(CN7-CN71)
CN4–TPH
CN4–TPH
CN4-TPH
CN4-TPH
CN4-TPH
CN5-CN51
CN5-CN51
CN5-CN51
(cN53-cu-rrER)
CN5-CN51
CN5-CN51
CN5-CN51
~C54~:;~
SENSOR)
(CN52-RX MOTOR)
CN6-CN61
g:i3;::)
(CN6;-CIS)
CN6-CN61
(CN63-CIS)
CN6-CN61
(CN63-CIS)
CN6-CN61
(CN63–CIS)
CN6-CN61
CN6-CN61
CN6-CN61
CN6-CN61
(CN62-TX MOTOR)
CN7-CN71
CN7-CN71
CN43-SPEAKER
CN43-SPEAKER
—63—
ON Low
Key ON: Low
Key ON: Low
Key ON: Low
LED ON:
LOW
LED ON
LOW
HOOK UP
LOW
Mute High
Mute High
Analog signal
ON High
Detect: High
HOOK UP:
LOW
Detect: AC signal
ON: High
ON: High
ON High
Analog signal
Analog signal
Analog signal
ON:
LOW
ON Low
ON High
ON Low
ON Low
ON Low
ON Low
Analog signal
ON:
LOW
ON:
LOW
ON:
LOW
ON High
Analog signal
Analog signal
0
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