FO-90AAR
(Example: TEL speaking)
NO
Signal Name (CNLIUA)
1
TELOUT
2
TELIN
3
TELMUTE
4
CI
5
HS
6
RHS
Fig. 7
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
[Signals for status recognition according to input signals]
Signal Name
Function
TEL IN
Receiving signal from line or modem
TEL OUT
Transfer signal to line
SPOUT
Speaker output signal
TXOUT
Transmission (DTMF) analog signal output
from modem
RXIN
Reception (DTMF, others) analog signal input
into modem
[Other signals]
5 – 11
NO
Signal Name (CNLIUA)
7
RXIN
8
TXOUT
9
CML
10
+5V
11
DG
12
+24V
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TX/RX SIGNAL
OGM/ICM/MEMO/PLAYBACK SIGNAL
OGM/MEMO/RECORD SIGNAL
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H
~
~
+
–
HS
L
L
H
DPON
DPMUTE
DPON
IACR1
IACR2
IACR3
BIT7
BIT6
BIT5
BIT4
BIT3
BIT2
BIT1
BIT0
DAC
GAIN
MIC GAIN
L/O E
SPKR E
ADC
GAIN
L/I E
MIC E
TXRX
LOOP
LINEOUT
ATTENUATION
RXTXLOOP
MICBIAS
SEL
LINE SEL
CONTROL PWB
TEL/LIU PWB
RX
TX
HANDSET
SP
DRIVER
CUTI
HS
CI
CSWI
PESNS
FRSNS
ORGSNS
PSNS
BZOUT
CML
SPMUTE
VREFCONT
MDMRST
FAX
ENGINE
FC200
ADC
DAC
SIN
DAC GAIN
0,6dB
SOUT
ADC GAIN
0,–4dB
MIC IN
LPF
LINE IN
LPF
SP OUT
ENABLE
0,20,25,30dB
LINE
DRIVER
LINEOUT
ENABLE
MUTE,0,
–6,–12dB
RHS
RANK
DRSNS
TXMUTE
TELMUTE
IA-RESET
SPMUTE
SPEAKER
TELMUTE
TELIN
CI
M
B
C
CML
L1
L2
FAX MODEM FM209V
TELOUT
RXIN
TXOUT
SPKRP-P
MICP
LINEIN
LINEOUT
RTLOOP
(0:1)
(1:0)
(0:0)
(1:1)
MIC ENABLE
MIC
ENABLE
1
0
LINE IN
ENABLE
1
0
(0:0)
(1:1)
(1:0)
LNINSEL
MIC
GAIN
VOL_C
RXCONT
W-TONE
VOL_A
VOL_B
RCVOL
LEDON
VTHON
TXMUTE
4051
VOL_C
VOL_B
VOL_A
NO
Signal Name (CNLIUB)
1
N. C.
2
N. C.
NO
Signal Name (CNLIUB)
3
DPON
4
DPMUTE
Summary of Contents for FO-90A
Page 6: ...FO 90AAR M E M O 1 10 ...
Page 27: ...FO 90AAR 2 21 M E M O ...
Page 49: ...FO 90AAR Control PWB parts layout Top side 6 7 ...
Page 50: ...FO 90AAR Control PWB parts layout Bottom side 6 8 ...
Page 53: ...FO 90AAR TEL LIU PWB parts layout Top side 6 11 ...
Page 54: ...FO 90AAR 6 12 TEL LIU PWB parts layout Bottom side ...
Page 58: ...FO 90AAR 6 16 M E M O ...