KX-TVM50BX, KX-TVM502X, KX-TVM524X, KX-TVM594X, KX-TVM296X (serv.man7) - Panasonic PBX Service Manual Supplement (repair manual). Page 9

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9
KX-TVM50BX
F
E
H
G
45
6
3
2
1
2/
4
1/
4
4/
4
3/
4
(2
)
(3
)
(4
)
(5
)
(6
)
(7
)
(8
)
(9
)
KX-TVM50BX  MAIN NO.2 (2/4)
(1
)
16
17
18
19
20
21
22
23
24
DG
n_RESET
MDM_TXD
n_MODEMRST
MDM_RXD
TP584
IC195
12
13
11
TP586
+3.3V
C2
07
2.
2u
nMDMRST
C2
03
1.
0u
DG
TP585
n_RESET
MDM_RXD
C1
99
0.
01
u
MDM_TXD
+3.3V
C2
18
10
V1
00
u
TP589
n_MODEMRST
DSR
CTS
RTS
RI
DTR
TXD
RXD
CN104
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
+3.3V
DG
DG
TP590
R334
33
R330
33
R336
33
R347
10K
R3
48
NC
R332
33
R333
33
R311
10K
R313
33
R331
33
R335
33
R3
46
NC
Modem interface
TDO_B
LD[1]
ASEBRKAK
LD[6]
TDI
n_TRST
LD[14]
TCK
n_ASEMDO
LD[9]
n_RESET
TDO_A
TMS
LD[15]
n_LANINT
LD[13]
n_LAN_RESET
LD[3]
n_AUDSYNC/HOOK6c
LD[4]
n_LAN_CS
LD[7]
n_AUDATA3/HOOK5c
LD[11]
LD[10]
LD[8]
n_AUDATA1/BELL5c
n_WE1G
LD[5]
n_AUDATA2/BELL6c
LD[0]
LD[2]
LD[12]
n_AUDATA0/CPC6c
n_AUDCK/CPC5
n_RESET
n_RDG
n_LAN_WAIT
+3.3V
+3.3V
TP577
nAUDD3
C2
40
10
V2
20
u
RA
18
9
33
1
2
3
4
5
6
7
8
n_AUDCK/CPC5
nAUDSYNC
L169
TCK
+3.3V
+3.3V
+3.3V
TMS
RA
19
1
33
1
2
3
4
5
6
7
8
TP583
nTRST
L170
+3.3V
TDI
TCK
+3.3V
TDO
TDO_A
DG
+3.3V_USB
L168
ASEBRKAK
ASEBRAKAK
DG
RA
19
5
33
1
2
3
4
5
6
7
8
+3.3V
DG
TDI
n_AUDATA1/BELL5
nRESET_AH
n_RESET
USB_CLK_DG
n_AUDATA0/CPC6
TMS
nAUDCK
n_AUDSYNC/HOOK6
n_ASEMDO
+3.3V
USB_AG
n_AUDATA3/HOOK5
TP580
DG
n_TRST
n_AUDATA2/BELL6
TP581
RA
19
8
33
1
2
3
4
5
6
7
8
+3.3V
TP582
nAUDD0
+3.3V
J104
+3.3V
TDO_B
nAUDD1
nAUDD2
J105
TP610
TP615
TP623
TP622
TP619
TP620
TP611
TP624
TP625
TP612
TP613
TP614
TP618
TP617
TP616
TP621
TP626
TP627
TP628
TP632
TP631
TP630
TP629
DG
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
CN108
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
+3.3V
R281
33
R3
05
10
K
R293
NC
R679
33
R322
33
R323
33
R324
33
R3
07
10
K
R285
0
J106
NC
R290
33
R297
33
R320
33
R291
33
R296
33
R3
06
10
K
R3
02
10
K
R3
08
10
K
R292
33
R280
0
R3
00
10
K
R319
33
R284
33
R7
46
10
K
R295
33
R3
09
10
K
R3
04
10
K
R321
33
R283
33
R294
33
R298
33
R2
99
10
K
R3
03
10
K
R3
01
10
K
R282
33
AUD CONNECTOR
F
o
r mo
d
e
m c
a
rd
K
X
-T
V
M
296o
rT
V
A
296
F
o
r T
V
M
594
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