– 53 –
– 54 –
IC401
10497-15 (HAND MAIN BOARD)
IC701
10497-15 (BASE MAIN BOARD)
IC502
S-24C16AFJ-TB (HAND MAIN BOARD)
IC951
S-24C02AFJ-TB (BASE MAIN BOARD)
1 2 3 4
5 6 7 8
9
10
16
15
14
13
12
11
MODULATOR
& FILTER
CONTROL
REGISTOR
16 BIT
REGISTOR
16 BIT
REGISTOR
MODULATOR
& FILTER
17
19 18
20
21
22
23
24
28
29
30
27
26
25
31
32
VOXRNT
VOXSND
AVDD
LINE-IN
AVSS
MICIN
RBIAS
NC
REFCNTL
XCLKO
NC
ICLK
FRAM
SPKPO
SPKMO
LINEO
RESETB
MCLK
DVSS
DATAI
DATAO
DVDD
NC
NC
NC
NC
NC
NC
NC
AGND
VREF
MICBIAS
8
VCC
7
TEST INPUT
6
SCL
5
SDA
1
NC
2
NC
3
NC
4
VSS
START
STOP
LOGIC
CONTROL
LOGIC
START CYCLE
H.V. GENERATION
TIMING
& CONTROL
E PROM
32 x 32
2
32
XDEC
INC
LOAD
5
R/W
PIN
2
8
D
OUT
CK
32
WORD
ADDRESS
COUNTER
YDEC
D
OUT
ACK
DATA REGISTER
• IC Block Diagrams
IC103
MC34118DW (BASE MAIN BOARD)
IC104
MC34119DR2 (BASE MAIN BOARD)
+
8
7
6
5
4
3
2
1
_
+
_
VO2
CD
CF 2
CF 1
V in
GN
D
Vcc
VO1
BIAS
CIRCUIT
2
1
RLO1
TLO1
TLI1
RLI1
CPR
GND
RXO
RXI
RLI2
RLO2
TLO2
TLI2
CPT
VB
FI
4
VCC
3
CD
FO
+
–
+
–
5
9
8
7
6
HTI
TXO
TXI
HTO+
HTO–
10
12
11
14
13
27
28
25
26
24
20
21
22
23
19
17
18
15
16
MUT
MCO
MCI
CT
VLC
VR
VCC
HYBRID
AMP 2
HYBRID
AMP 1
MIC
AMP
VREF
+
–
VR
FILTER
AMP
COMPARATOR
AGC
BACKGROUND
NOISE
DETECTOR
VR
LEVEL
DETECTOR
LEVEL
DETECTOR
COMPARATOR
ATTENUATOR
CONTROL BLOCK
BACKGROUND
NOISE
DETECTOR
DIAL
TONE
DETECTOR
LEVEL
DETECTOR
LEVEL
DETECTOR
RX
ATTEN-
UATOR
TX
ATTENUATOR
IC150
MT88E43 (BASE MAIN BOARD)
3
4
5
6
7
8
9
10
16
15
14
13
12
11
+
–
BIAS
GENERATOR
ANTI-ALIAS
FILTER
ALERT SIGNAL
HIGH TONE
FILTER
ALERT SIGNAL
LOW TONE
FILTER
TONE
DETECTION
ALGORITHM
GUARD
TIME
INTERRUPT
GENERATOR
DATA
TIMING
RECOVERY
24
23
22
21
20
19
18
17
1
2
IN+
IN–
GS
VREF
CAP
TRIGIN
TRIGRC
TRIGOUT
MODE
OSCIN
OSCOUT
VSS
IC
PWDN
FSKEN
DCLK
DATA
DR
CD
INT
STD
EST
ST/GT
VDD
TO
INTERNAL
CCL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
