Service manual

UX-465L/C
UX-485LU
(Example: TEL speaking)
NO Signal Name (CNLIUA)
1 TELOUT
2 TELMUTE
3 TELIN
4CI
5
HS
6PE
7 PIN
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 – 10
NO Signal Name (CNLIUA)
8 RHS
9 RXIN
10 TXOUT
11 CML
12
+5V
13
DG
14
+24V
TX/RX SIGNAL
OGM/ICM/MEMO/PLAYBACK SIGNAL
OGM/MEMO/RECORD SIGNAL
CONTROL PWBTEL/LIU PWB
RX
TX
HANDSET
SP
DRIVER
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
SPMUTE
SPEAKER
RCV VOL
TELMUTE
TELIN
CI
M
B
C
CML
L1
L2
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
W-TONE
TXMUTE
4051
VOL_C
VOL_B
VOL_A
DTMFMUTE
UX-465L/C
ONLY
20415
INTEGRATED ANALOG DEVICE
HS
CI
CSWI
PESNS
FRSNS
ORGSNS
PSNS
BZOUT
CML
SPMUTE
RHS
DRSNS
FAX
ENGINE
SCE114V
RCVOL
LEDON
VTHON
DTMFMUTE
TXMUTE
TELMUTE
IA-RESET
TXMUTE
TELMUTE
IA-RESET
RHS
RANK
DRSNS