Read Panasonic KX-TVM50BX / KX-TVM502X / KX-TVM524X / KX-TVM594X / KX-TVM296X (serv.man7) Service Manual Supplement online
16
KX-TVM50BX
1.3.4.
MAIN No.4 (PBX INTERFACE BLOCK)
Change from the Original Service Manual Section 16.4.
D
F
E
C
B
A
H
G
4
5
6
7
3
2
1
(1)
(2)
(3)
(4)
(5)
(5)
(6)
(7)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(18)
(19)
(20)
KX-TVM50BX MAIN NO.4 (1/2)
HOOK2
T P 5 9 B
T P 4 2 B
C362B
220P
C374B
220P
IC149B
5
6
7
T P 3 8 B
R611B
100K
R609B
100K
IC149A
5
6
7
C374A
220P
C349A
T P 3 8 A
T P 4 2 A
T P 5 9 A
R611A
100K
C362A
220P
R609A
100K
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
A G
+5V
+5V
T P 4 9 A
0.1
C341A
4.7u
T P 5 1 A
+5V
+5V
DA101A
12
3
B E L L 2
C P C 2
C P C 1
B E L L 1
P D X 1
P D X 0
M B D R 0
M B D X 0
M B D X 0
M 0 2 M / C D 2 M
C D F S 1
C D F S 2
H O O K 1
H O O K 2
n _ C P D 2
n _ C P D 1
U / A
A P T _ D O U T
+5V
IC149A
1
2
3
4
8
+5V
TP63A
C294B
16V/1
A G
V A G 1
VAG1
C291A
0.1u
T P 6 2 A
A G
T P 6 1 A
VAG1
A G
A G
I C 8 3 6 A
1
R O +
2
R O -
3
P I
4
P O -
5
P O +
6
V D D
7 F S R
8 D R
9 B C L K R
1 0 P D I
1 1 M C L K
1 2 B C L K T
1 3 D T
1 4 F S T
1 5
V S S
1 6 M U / A
1 7
T G
1 8
T I -
1 9
T I +
2 0
V A G
C306A
270P
C391A
180P
PO-A
C334A 0.022
C332A
0.022
A P T _ D C L R
A P T _ D I N
P D R
TI-A
+5V
A G
A G
C349B
0.1
C341B
4.7u
T P 4 9 B
+5V
+5V
A G
VAG2
TI-B
I C 8 3 6 B
1
R O +
2
R O -
3
P I
4
P O -
5
P O +
6
V D D
7 F S R
8 D R
9 B C L K R
1 0 P D I
1 1 M C L K
1 2 B C L K T
1 3 D T
1 4 F S T
1 5
V S S
1 6 M U / A
1 7
T G
1 8
T I -
1 9
T I +
2 0
V A G
C306B
270P
C391B
180P
PO-B
+5V
T P 5 1 B
DA101B
12
3
C334B 0.022
C332B
0.022
V A G 2
IC149B
1
2
3
4
8
T P 6 1 B
TP63B
+5V
T P 6 2 B
+5V
VAG2
C294A
16V/1
A G
A G
C291B
0.1u
C392A
6.3V10
u
C392B
6.3V10
u
C302A
0.1u
C302B
0.1u
R569A
0
R580B
10K
R659A
F68K
R581B
F100K
R587B
F56K
R570B
220K
R571A
220K
R571B
220K
R577A
10K
R661B
F150K
R577B
10K
R587A
F56K
R568B
0
R581A
F100K
R580A
10K
R570A
220K
R568A
0
R661A
F150K
R659B
F68K
R569B
0
2.048M
3.3v
H: u low
L: A low
CODEC
Analog Reference Circuit
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