Sharp UX-41 Service Manual

FO-71RA
FO-51RA
5 – 11
(Example: SENDING/RECEIVING)
[Signals for status recognition according to input signals]
[Other signals]
DAC
LPF
DAC
H
L
CI DETECTOR
SPEAKER
LINE
+24VL
DG
CONTROL PWBTEL/LIU PWB
RX
TX
TEL MUTE
(H:MUTE)
PC2
Q103
IC102
Q105
IC101
IC101
IC102
IC5
0,1
0,0
1,0
1,1
RTLOOP
ADC
SIN
MIC
/LINE
SELECT
SP OUT
ENABLE
MIC ENABLE
LINE IN ENABLE
LINE OUT ENABLE
0,20,25,30dB
LINE
SELECT
1,1
0,0
1,0
0,+4dB
SOUT
MODEM BLOCK
(CX20438 I/A)
SPKRP
MICP
LINEIN
LINE
OUT
MUTE,0,-6,-12dB
IC2 SCE209
FAX CONTROLLER
DTMFMUTE
RCVOL
SP MUTE
TEL MUTE
CI
CML
MIC MUTE
SPOUT
SP MUTE
(H:MUTE)
TEL IN
RXIN
TXOUT
MIC MUTE
(H:MUTE)
CML
SIGTX
SIGRX
0,6dB
: FAX SENDING/RECEIVING
HANDSET
Fig. 6
Signal Name Function
TELIN Receiving signal from line or modem
TXOUT Transmission (DTMF) analog signal output from
modem
RXIN Reception (DTMF, others) analog signal input
into modem
Signal Name Function
RHS
H:The handset is in the on-hook state.
L: The handset is in the off-hook state.
CI Incoming call (CI) detection signal
NO Signal Name (CNLIUA) NO Signal Name (CNLIUA)
1 RHS- 7 RXIN
2 DG 8 TXOUT
3 +24VL 9 CML
4 MICMUTE 10 CI
5 TELIN 11 N.C.(HS-)
6 TELMUTE 12 TELOUT

Sharp UX-41 Specifications

General

Brand	Sharp
Model	UX-41
Category	Fax Machine
Language	English