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16.4. MAIN NO.4 (PBX INTERFACE BLOCK)
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(2)
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(4)
(5)
(5)
(6)
(7)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
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KX-TVM50BX MAIN NO.4 (1/2)
R611A
100K
IC149A
5
6
7
AG
+5V
+5V
R577A
10K
TP49A
C374A
220P
C349A
0.1
C341A
4.7u
TP51A
R580A
10K
+5V
+5V
DA101A
12
3
BELL2
CPC2
CPC1
BELL1
PDX1
PDX0
MBDR0
MBDX0
M02M/CD2M
CDFS1
CDFS2
HOOK1
HOOK2
n_CPD2
n_CPD1
U/A
APT_DOUT
TP42A
+5V
IC149A
1
2
3
4
8
+5V
TP63A
R570A
220K
16V/1
C294B
AG
R571A
220K
VAG1
VAG1
C291A
0.1u
TP62A
AG
TP61A
VAG1
AG
AG
IC836A
1
2
2
3
4
5
5
6
7
8
9
10
PDI
11
12
13
14
15
16
MU/A
17
18
19
19
20
R587A
F56K
F100K
R581A
C306A
270P
F68K
R659A
180P
C391A
F150K
R661A
R609A
100K
C362A
220P
TP59A
PO-A
R568A
0
R569A
0
C334A 0.022
C332A
0.022
APT_DCLR
APT_DIN
PDR
TI-A
+5V
F68K
R659B
AG
R580B
10K
AG
TP59B
C349B
0.1
C341B
4.7u
TP49B
+5V
+5V
TP42B
R587B
F56K
AG
F100K
R581B
C362B
220P
C374B
220P
IC149B
5
6
7
VAG2
R611B
100K
TI-B
IC836B
1
RO+
2
RO-
3
PI
4
PO-
5
PO+
6
VDD
7
FSR
8
DR
9
BCLKR
10
PDI
11
MCLK
12
BCLKT
13
DT
14
FST
15
VSS
16
MU/A
17
TG
18
TI-
19
TI+
20
VAG
C306B 270P
R609B
100K
180P
C391B
PO-B
+5V
F150K
R661B
TP51B
R577B
10K
DA101B
12
3
C334B 0.022
C332B
0.022
VAG2
IC149B
1
2
3
4
8
TP61B
R569B
0
TP63B
+5V
R571B
220K
TP62B
+5V
VAG2
16V/1
C294A
AG
AG
R568B
0
R570B
220K
C291B
0.1u
C392A
6.3V10
µ
C392B
6.3V10
µ
0.1u
C302A
0.1u
C302B
D
F
E
C
B
A
H
G
4
5
6
7
3
2
1
BELL2
CDFS1
PDX0
PDX1
n_CPD1
APT_DOUT
BELL1
APT_DCLR
APT_DIN
M02M/CD2M
M02M/CD2M
U/A
CDFS2
n_CPD2
MBDR0
MBDX0
MBDX0
HOOK2
RO+
RO-
PI
PO-
PO+
VDD
VSS
TG
TI-
TI+
VAG
FSR
DR
BCLKR
MCLK
BCLKT
DT
FST
2.048M
3.3v
H: u low
L: A low
CODEC
Analog Reference Circuit
114
KX-TVM50BX
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