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Model
KX-TVM50C KX-TVM502C KX-TVM503X KX-TVM524X KX-TVM594X KX-TVM296C
Pages
23
Size
7.28 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / VOICE PROCESSING SYSTEM
File
kx-tvm50c-kx-tvm502c-kx-tvm503x-kx-tvm524x-kx-tvm5.pdf
Date

Panasonic KX-TVM50C / KX-TVM502C / KX-TVM503X / KX-TVM524X / KX-TVM594X / KX-TVM296C Service Manual / Supplement ▷ View online

2
KX-TVM50C
1 CHANGES
1.1.
SUBJECT 
MAIN BOARD of KX-TVM50C is changed from  PSUP1478ZA to PSUP1478YA displayed on Printed Circuit Board.
SUFFIX LOCATION
1.2.
REPLACEMENT PARTS LIST
Suffix
Reason for suffix change
M to N
Change of Main board.(PSUP1478ZA → PSUP1478YA)
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS COMPARISON 
LISTS.
1. Improve performance
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Interchangeability Code (Symbols: B) Following V-Z interchange abilities are indicated on the Notes in the bottom column.
Parts
Set Production
V Original
New
Early (before change)
Late (after change)
Original or new parts may be used in early or late production sets.
Use original parts until exhausted, then stock new parts.
W Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in early or
late production sets. Use original parts where possible, then stock new parts.
X Original
New
Early (before change)
Late (after change)
New parts only may be used in early or late production sets.
Stock new parts.
Y Original
New
Early (before change)
Late (after change)
Original parts may be used in early production sets only. New parts may be used in late
production sets only. Stock both original and new parts.
Z Other
3
KX-TVM50C
KX-TVM50C
KX-TVM502C 
KX-TVM503X
KX-TVM594X
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
C397
ECJ1VC1H151J
ECUV1H151JCV
CAPACITOR,150pF
1
8
V
R126
ERJ3GEY0R00
-----
RESISTOR, 0
1
1
---
N
D103A,D103B
B0EDKT000010
B0EDKT000007
DIODE(SI)
2
1
V
N
IC168
C1CB00001981
C1CB00001775
IC
1
1
Y
N
R662
PQRQ1VJ821
ERG2SJ332E
RESISTOR, 3.3k
1
1
Y
N
R801,R802,R803 -----
ERG2SJ332E
RESISTOR, 3.3k
3
1
---
N
LED800
PSVD1VGCT
B3ABB0000507
DIODE(SI)
1
8
V
IC157
C0CBAAB00047
C0DBGYY04117
IC
1
8
V
IC178
C0CBAAG00037
C0DBGYY04341
IC
1
8
V
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
IC153
C1CB00001612
C1CB00002989
IC
1
8
V
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
IC153
C1CB00001612
C1CB00002989
IC
1
8
V
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 
MAIN BOARD PARTS
CN102
K2LC108B0061
K2LC1YYB0056
JACK
1
8
V
4
KX-TVM50C
1.3.
SCHEMATIC DIAGRAM
1.3.1.
MAIN No.1(CONTROL BLOCK)
Change from the Original Service Manual Section 16.1.
D
C
B
A
45
6
3
2
1
2/4
1/4
4/4
3/4
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
KX-TVM50C  MAIN NO.1 (1/4)
(15)
(16)
(a)
(b)
(c)
(d)
(e)
(g)
(i)
(k)
(n)
(q)
(s)
(u)
(w)
(y)
(A)
(C)
(E)
(G)
(J)
(L)
(N)
(Q)
(S)
(U)
(W)
(Y)
(aa)
(f)
(h)
(j)
(m)
(p)
(r)
(t)
(v)
(x)
(z)
(B)
(D)
(F)
(H)
(K)
(M)
(P)
(R)
(T)
(V)
(X)
(Z)
(ab) (ac) (ad)
(ae)
(af)
(ag)
R188
TP120
+3.3V
+3.3V
n_DSPCS[1]
n_DSPCS[2]
n_DSPCS[3]
n_DSPCS[3]
n_DSPCS[2]
n_DSPCS[1]
C110
0.01u
DG
C124
0.1u
C125
0.1u
C120
0.1u
C126
1.0u
C119
0.1u
C121
0.1u
C127
2.2u
C123
0.1u
1
VDD1
3
VDDQ3
6
VSSQ6
9
VDDQ9
12
VSSQ12
14
VDD14
27
VDD27
28
VSS28
41
VSS41
43
VDDQ43
46
VSSQ46
49
VDDQ49
52
VSSQ52
54
VSS54
TP15
C122
0.1u
C596
R742
NC
R743
NC
+3.3V
LA[9]
LA[16]
LD[7]
LD[11]
LD[13]
LA[18]
LD[14]
LD[10]
LA[11]
LA[7]
LA[19]
LD[12]
LA[2]
LA[1]
LA[4]
LA[6]
LD[15]
LA[17]
LD[9]
LA[15]
LD[2]
LA[5]
LA[8]
LA[12]
LD[0]
LA[10]
LD[1]
LA[13]
LD[6]
LD[5]
LD[8]
LA[14]
LA[3]
LD[4]
LD[3]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[8]
D[9]
D[10]
D[11]
D[12]
D[13]
D[14]
D[15]
n_LANINT
n_RD
RD_nWR
n_WE0
n_WE1
n_CE1B
n_RASU
CKE
n_CASU
U/A
n_CE2A
n_CS2
n_CE1A
n_CE2B
n_VBINT
n_RASL
n_WAIT
n_CS4
n_DSP_INT_CPU
n_CS3
n_USBINT
n_CASL
HDDINT
n_CS0
nShut_DN
n_RASL
n_RASU
n_CASL
n_CASU
RD_nWR
n_WE0
CKE
n_RD
n_CS0
n_CS2
n_CS3
n_CS4
n_CE1A
n_CE1B
n_WE1
n_CE2A
n_CE2B
n_RESET
n_CS0G
n_RDG
n_WE0G
n_USB_DRQ1
n_USB_DRQ0
HDDINT
n_VBINT
n_LANINT
n_USBINT
n_DSP_INT_CPU
n_WAIT
LD[14]
LD[11]
LD[13]
LD[9]
LD[12]
LD[10]
LD[8]
A[15]
A[13]
A[14]
A[20]
A[18]
A[17]
LA[20]
LA[16]
LA[18]
LA[21]
A[22]
A[16]
LA[22]
A[21]
LA[19]
A[19]
LA[17]
A[2]
LA[4]
A[14]
A[11]
A[12]
A[6]
LA[9]
LA[7]
LA[1]
A[10]
A[13]
LA[11]
LA[14]
LA[2]
LA[12]
LA[0]
LA[3]
LA[13]
LA[5]
A[3]
A[15]
LA[6]
LA[8]
A[8]
LA[10]
LA[15]
A[5]
A[1]
A[4]
A[7]
A[0]
A[9]
BELL1
n_AUDSYNC/HOOK6
USB_DACK0
n_AUDATA0/CPC6
n_AUDATA1/BELL5
n_USB_DRQ0
n_USB_CS
HOOK4
n_AUDATA2/BELL6
BELL2
CPC2
n_WE1G
RD_nWRG
n_DSPRST[3]
n_CE1B
n_DSPRST[1]
n_DSPRST[2]
n_USB_DRQ1
n_RDG
n_LAN_CS
HDDINT
USB_DACK1
n_LANINT
n_AUDCK/CPC5
CPC1
n_USBINT
n_CE2B
HOOK1
HOOK2
n_ECO_INT
ASEBRKAK
n_AUDATA3/HOOK5
nBAT_ALM
CKIO1
CKIO1
CKIO2
CKIO2
RD_nWRG
n_LB_gate
LA
[2
0]
LD[15]
HOOK3
CPC3
CPC4
BELL4
BELL3
n_HDB_gate
nDC_ALM
nBAT_ALM
n_USB_RESET
n_MODEMRST
n_LAN_RESET
APT_DOUT
APT_DIN
APT_DCLR
n_RESET
n_LAN_WAIT
n_HDD_WAIT
U/A
n_USB_DRQ0
n_USB_DRQ1
n_FMC_RST
n_FMC_RST
D[8]
D[15]
D[10]
D[9]
D[11]
D[12]
D[14]
D[13]
A[5]
A[1]
A[9]
A[2]
A[11]
A[3]
A[8]
A[12]
A[4]
A[10]
A[7]
A[6]
D[5]
D[15]
RD_nWR
D[14]
D[3]
D[12]
D[11]
n_RASL
n_CS3
D[10]
n_CASL
CKIO1
CKE
D[4]
D[2]
n_WE0
D[9]
D[0]
D[13]
D[1]
D[6]
D[7]
D[8]
n_WE1
n_ADPT_INT
n_ADPT_INT
RST_SW
RA
12
1
33
1
2
3
4
5
6
7
8
RA
12
0
33
1
2
3
4
5
6
7
8
RA
12
2
33
1
2
3
4
5
6
7
8
R133
39
L106
22
C130
22P
C131
22P
X1
01
16
.3
84
MH
z
+3.3V
R140
NC
RA
12
3
33
1
2
3
4
5
6
7
8
C142
470P
C143
470P
C141
22P
TP86
C140
22P
R173
0
R146
0
R148
0
R147
0
R149
0
R144
0
R145
0
R151
0
R157
33
R162
0
R154
33
R137
NC
C1
38
0.
01
u
C1
39
1.
0u
L1
20
+3.3V
R152
33
R153
33
R150
0
R155
33
R156
33
R167
0
R165
0
R166
0
R164
0
R168
0
R169
0
R163
100
R170
0
R171
0
R161
33
R158
33
LD[0-15]
FIL107
NC
1
2
3
TP43
TP61
TP44
TP117
TP45
TP26
LA[0-15]
R118
10k
+3.3V
+3.3V
C1
17
0.
01
u
IC108
16MByte SDRAM
2
DQ0
4
DQ1
5
DQ2
7
DQ3
8
DQ4
10
DQ5
11
DQ6
13
DQ7
15
LDQM
16
#WE
17
#CAS
18
#RAS
19
#CS
20
A13(BA0)
21
A12(BA1)
22
A10/AP
23
A0
24
A1
25
A2
26
A3
29
A4
30
A5
31
A6
32
A7
33
A8
34
A9
35
A11
36
NC36
37
CKE
38
CLK
39
UDQM
40
NC40
42
DQ8
44
DQ9
45
DQ10
47
DQ11
48
DQ12
50
DQ13
51
DQ14
53
DQ15
TP109
TP101
TP115
TP105
TP113
TP107
TP102
TP103
TP106
TP112
TP104
TP108
TP116
TP111
TP110
TP114
R126
NC
R123
0
R141
RA
11
6
10
k
4
3
2
8
1
7
6
5
RA
11
3
10
k
1
2
3
5
4
6
7
8
RA
11
5
10
k
1
2
3
5
4
6
7
8
RA
11
4
10
k
4
3
2
8
1
7
6
5
TP27
TP28
TP29
TP30
TP31
TP32
TP33
TP34
TP35
TP36
TP37
TP38
TP39
TP40
TP41
TP42
TP80
R159
0
R160
0
TP78
TP51
TP52
TP22
R121
NC
RA
11
7
10
k
4
3
2
8
1
7
6
5
RA
11
8
10
k
4
3
2
8
1
7
6
5
RA
11
9
10
k
4
3
2
8
1
7
6
5
+3.3V
L108
L109
L110
L111
L112
L113
L114
L115
L116
L117
L119
L118
R111
22
R112
NC
R114
NC
R110
NC
R113
22
C1
05
1.
0u
FIL112
1
2
3
IC110
1
#1G
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
#2G
20
VCC
L1
03
R1
04
0
TP12
C1
02
2.
2u
R107
NC
C112
0.01u
TP4
+3.3V
C1
08
0.
01
u
TP6
C114
0.01u
IC101
1
#1G
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
72
Y
2
8
1A4
92
Y
1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
#2G
20
VCC
R108
NC
C1
06
1.
0u
R1
03
0
R1
05
0
+3.3V
C1
03
2.
2u
FIL101
1
2
3
IC102
1
#1G
2
1A1
3
2Y4
4
1A2
5
2Y3
6
1A3
7
2Y2
8
1A4
9
2Y1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
#2G
20
VCC
TP2
TP7
C113
0.01u
C1
09
0.
01
u
L1
01
n_LAN_CS
n_DSPRST[3]
HOOK4
n_DSPRST[1]
n_AUDATA1/BELL5
ASEBRKAK
n_LANINT
n_CE1B
n_AUDATA0/CPC6
CPC1
n_USB_DRQ0
HOOK1
n_USB_CS
USB_DACK1
USB_DACK0
n_DSPRST[2]
BELL1
CPC2
n_RDG
n_AUDSYNC/HOOK6
HOOK2
n_USBINT
n_AUDATA2/BELL6
HDDINT
n_AUDCK/CPC5
BELL2
n_AUDATA3/HOOK5
RD_nWRG
HOOK3
n_USB_DRQ1
n_WE1G
n_CE2B
n_ECO_INT
TP76
TP75
TP66
TP67
TP68
TP69
TP64
TP63
TP62
TP65
TP83
TP82
TP81
TP84
TP85
IC119
1
2
4
3
5
TP5
TP13
TP56
TP25
R109
NC
RA
21
3
22
1
2
3
4
5
6
7
8
RA
21
4
22
1
2
3
4
5
6
7
8
+3.3V
C1
35
0.
01
u
CPC4
CPC3
BELL3
BELL4
n_HDB_gate
nBAT_ALM
nDC_ALM
n_USB_RESET
n_LAN_RESET
n_MODEMRST
APT_DOUT
APT_DIN
APT_DCLR
n_RESET
n_LAN_WAIT
U/A
n_HDD_WAIT
R676
TP119
FIL106
NC
1
2
3
220
+3.3V
+3.3V
R677
NC
R678
NC
n_FMC_RST
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
RA
22
8
33
1
2
3
4
5
6
7
8
RA
22
9
33
1
2
3
4
5
6
7
8
TP59
R707
22
R697
22
R704
22
R708
22
R698
22
R701
22
R705
22
R699
22
R702
22
R706
22
R700
22
R703
22
R716
33
R714
33
R715
33
R712
33
R722
33
R723
33
R710
33
R718
33
R711
33
R721
33
R732
33
R731
33
R724
33
R725
22
R729
33
R730
33
R728
33
R720
33
R719
33
R727
33
R709
33
R713
33
R726
33
R717
33
X1
02

2
3
4
RA
23
8
22
4
3
2
1
8
7
6
5
RA
23
9
22
1
2
3
4
5
6
7
8
RA
24
0
22
1
2
3
4
5
6
7
8
RA
24
1
22
4
3
2
1
8
7
6
5
RA
24
2
22
1
2
3
4
5
6
7
8
RA
24
3
22
4
3
2
1
8
7
6
5
FIL130 1
2
3
FIL131
1
2
3
DG
DG
IC107
1
A15
2
A14
3
A13
4
A12
5
A11
6
A10
7
A9
8
A8
9
NC9
10
NC10
11
WE
12
RESET
13
NC13
14
NC14
15
RY/BY
16
A18
17
A17
18
A7
19
A6
20
A5
21
A4
22
A3
23
A2
24
A1
25
A0
26
CE
27
Vss27
28
OE
29
DQ0
30
DQ8
31
DQ1
32
DQ9
33
DQ2
34
DQ10
35
DQ3
36
DQ11
37
Vcc
38
DQ4
39
DQ12
40
DQ5
41
DQ13
42
DQ6
43
DQ14
44
DQ7
45
DQ15/A_1
46
Vss46
47
BYTE
48
A16
IC105
1
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
11
B8
12
B7
13
B6
14
B5
15
B4
16
B3
17
B2
18
B1
19
/2G
20
VCC
IC168
1
XIN
2
VSS
3
S1
4
S0
5
SSCLK
6
FRSEL
7
VDD
8
XOUT
CK
IO
2
A
d
d
re
ss B
u
s G
a
te
 C
ir
cu
it
Da
ta
 B
u
Ga
te
 C
ir
cu
it
Fl
a
sh
 R
o
m
 
(8
Mb
yt
e
)
S-
D
R
A
M
(16M
B
y
te
)
65.
536
MH
z
Da
ta
 B
u
s
Dev
ice S
e
le
ct
 S
ig
n
a
ls
16.
384M
H
z
16.
384M
H
z
32K
H
z
5
KX-TVM50C
F
E
H
G
45
6
3
2
1
2/
4
1/
4
4/
4
3/
4
(1
)
(2
)
(3
)
(4
)
(5
)
(6
)
(7
)
(8
)
(9
)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
KX-TVM50C  MAIN NO.1 (2/4)
(a
h)
(a
i)
(a
j)
(a
k)
(a
m
)
(a
n)
(a
p)
(a
q)
(a
r)
(a
s)
(a
t)
(a
u)
(a
v)
(a
w
)
(a
x)
(a
y)
(a
z)
(b
a)
FI
L1
03
1
2
3
L104
+3.3V
TP19
R1
1
DG
LD[3]
LD[6]
LD[4]
LD[5]
LD[7]
LD[1]
LD[0]
LD[2]
n_LB_gate
RD_nWRG
D[4]
D[7]
D[5]
D[2]
D[1]
D[3]
D[0]
D[6]
FIL102
1
2
3
C1
07
0.
01
u
TP3
R106
NC
C1
01
2.
2u
TP10
L1
02
C1
04
1.
0u
C111
0.01u
+3.3V
RA
21
5
22
1
2
3
4
5
6
7
8
RA
21
6
22
1
2
3
4
5
6
7
8
DG
DG
RA
23
0
33
1
2
3
4
5
6
7
8
RA
23
1
33
1
2
3
4
5
6
7
8
IC106
1
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
11
B8
12
B7
13
B6
14
B5
15
B4
16
B3
17
B2
18
B1
19
/2G
20
VCC
RS
T_
SW
R1
74
56
0
IC111
1
M/R
2
SUB
3
GND
4
Vout
5
Vcc
D1
01
R1
86
10
k
R131
47k
R1
75
0
R1
39
NC
TP77
IC161
10
9
8
R1
87
10
k
+3.3V
+3.3V
R136
NC
R134
NC
R135
0
TP70
C1
50
33
00
p
Q101
50V/100mA/200mW
TP79
DG
DG
R1
72
0
R7
62
10
k
DG
R763
47
DG
n_CE1B
n_CS0
n_CE1A
n_CS4
n_RESET
n_WDTST
n_LB_gate
IC161
4
5
IC161
1
2
R1
27
10
k
+3.3V
+3.3V
R1
24
10
k
+3.3V
R1
20
10
k
6
3
TP57
TP58
22
0
0
0
0
0
0
RST_SW
C158
0.01u
C156
2.2u
C157
1.0u
DG
R6
93
0
RESET Switch
n_DSPINT[1]
n_DSPINT[2]
DSP_RnW
n_CPD5
SHW_UHW1
n_CPD1
n_CPD6
M1DR
n_ECO_WAIT
M1FS1
M18M
CDFS1
CDFS2
n_CPD3
CDFS5
CDFS3
M1FS3
CDFS4
n_DSPHRDY
CDFS6
n_ECO_GATE
M0FS3
M0FS1
n_CPD4
n_ECO_CS[2]
M1DX
n_DSP_GATE
M0FS2
HCNTL1
SHW_CLK
SHW_DHW1
n_ECO_CS[3]
n_ECO_RE
n_ECO_CS[1]
SHW_FH
n_CPD2
HBIL
HCNTL0
n_ECO_WE
M1FS2
M02M/CD2M
n_DSPINT[3]
DPT_SYNC
DPT_CLK
OEP0
OSX
OSR
MBDR0
MBDX0
n_IDCS1
n_IDCS0
LHWSEL
M1FS1
n_ECO_WAIT
n_ECO_CS[1]
M0FS1
n_ECO_CS[2]
M02M/CD2M
n_CPD3
n_DSPINT[1]
n_DSPHRDY
n_ECO_CS[3]
M1FS2
n_DSPINT[2]
n_CPD2
SHW_UHW1
n_CPD6
M1FS3
n_DSPINT[3]
HCNTL0
n_ECO_GATE
n_CPD5
SHW_DHW1
n_CPD1
n_ECO_RE
M1DR
SHW_FH
CDFS6
M0FS2
CDFS5
M18M
DSP_RnW
CDFS4
HCNTL1
CDFS3
SHW_CLK
CDFS2
n_ECO_WE
M0FS3
n_CPD4
CDFS1
M1DX
n_DSP_GATE
HBIL
DPT_SYNC
DPT_CLK
OEP0
OSX
OSR
MBDX0
MBDR0
n_IDCS1
n_IDCS0
LHWSEL
MDM_RXD
MDM_TXD
TDO_A
TCK
TDI
n_TRST
TMS
n_ASEMDO
APT_DCLR
RD_nWR
APT_DOUT
MDM_TXD
D[10]
D[1]
D[8]
D[3]
D[0]
D[14]
D[12]
D[2]
D[9]
D[7]
D[4]
D[6]
D[13]
D[15]
D[5]
D[11]
n_LAN_WAIT
n_HDD_WAIT
TDO_B
n_WDTST
MDM_RXD
LD[0]
LD[15]
LD[8]
LD[14]
LD[10]
LD[12]
LD[1]
LD[6]
LD[3]
LD[7]
LD[5]
LD[11]
LD[4]
LD[13]
LD[9]
LD[2]
A[9]
A[11]
A[23]
A[18]
A[24]
A[22]
A[2]
A[10]
A[3]
A[12]
A[5]
A[0]
A[14]
A[1]
A[7]
A[16]
A[15]
A[4]
A[20]
A[21]
A[8]
A[13]
A[17]
A[19]
A[25]
A[6]
APT_DIN
n_IVDC_WAIT
RD_nWRG
n_WE1G
n_RDG
n_WE0G
n_RDG
n_WE1G
n_CE1B
n_RD
n_WE0
n_WE1
n_CE2B
n_CS0
APT_DIN
n_CDHDL_INT
n_ADPT_INT
LHWSEL
LHWSEL
n_HDB_gate
n_WAIT
RD_nWRG
n_WE1G
n_WE0G
n_RDG
n_CS0G
R183
C1
49
0.
01
u
FIL108
1
2
3
C1
48
0.
01
u
C1
52
0.
01
u
R185
R181
R182
R184
R179
C1
44
2.
2u
C1
46
0.
01
u
C1
54
0.
01
u
C1
51
0.
01
u
C1
53
0.
01
u
C1
45
10
00
p
R180
IC109
11
G
2
1A1
32
Y
4
4
1A2
52
Y
3
6
1A3
72
Y
2
8
1A4
92
Y
1
10
GND
11
2A1
12
1Y4
13
2A2
14
1Y3
15
2A3
16
1Y2
17
2A4
18
1Y1
19
2G
20
VCC
R143
NC
L1
07
0
+3.3V
MDM_RXD
MDM_TXD
C137
0.01u
C1
32
2.
2u
C1
33
1.
0u
C1
34
0.
01
u
TP24
+3.3V
L1
05
R125
NC
FIL105
1
2
3
TP46
C1
55
0.
01
u
TMS
n_TRST
TCK
TDI
TDO_A
n_ASEMDO
RA
10
6
10
k
1
2
3
4
5
6
7
8
RA
10
5
10
k
1
2
3
4
5
6
7
8
RA
10
8
10
k
1
2
3
4
5
6
7
8
RA
10
7
10
k
1
2
3
4
5
6
7
8
+3.3V
IC195
10
9
8
IC195
1
2
3
IC195
4
5
6
R1
01
10
k
+3.3V
TDO_B
TP87
TP118
TP8
TP9
+3.3V
R1
42
10
k
IC195
14
7
C115
0.01u
+3.3V
IC161
14
7
C116
0.01u
+3.3V
RA
10
1
10
k
4
3
2
8
1
7
6
5
RA
10
2
10
k
4
3
2
8
1
7
6
5
RA
10
4
10
k
4
3
2
8
1
7
6
5
+3.3V
RA
10
3
10
k
4
3
2
8
1
7
6
5
RA
10
9
10
k
1
2
3
4
5
6
7
8
RA
11
1
10
k
1
2
3
4
5
6
7
8
RA
11
2
10
k
1
2
3
4
5
6
7
8
RA
11
0
10
k
1
2
3
4
5
6
7
8
RA
16
9
10
k
1
2
3
4
5
6
7
8
RA
17
2
10
k
1
2
3
4
5
6
7
8
RA
17
0
10
k
4
3
2
1
8
7
6
5
+3.3V
R1
38
10
k
+3.3V
SW
10
1
+3.3V
TP53
TP54
TP55
TP1
R1
02
10
k
+3.3V
+3.3V
RA
17
1
10
k
1
3
4
7
2
5
6
8
TP50
TP49
TP48
TP47
IC177
4
5
6
IC177
1
2
3
TP23
TP14
IC177
14
7
+3.3V
C118
0.01u
R116
NC
R117
0
IC187
RE2
4
5
6
TP21
IC187
RE2
9
10
8
C129
0.01u
+3.3V
IC187
14
7
IC187
RE2
12
13
11
TP20
DG
DG
DG
DG
DG
DG
DG
DG
DG
DG
R692
NC
+3.3V
R6
91
10
k
IC187
RE2
1
2
3
TP60
DG
IC124
34
IC141
10
98
IC141
4
56
TP939
TP938
TP937
R764
47
R765
33
TP11
RSW
R787
22
R788
22
R786
22
R789
22
R790
22
W
a
it
 Co
n
tr
o
l Ci
rc
u
it
ID
E
 D
a
ta
 B
u
s G
a
te
 C
ir
cu
it
B
u
s G
a
te
 Co
n
tr
o
l Ci
rc
u
it
Re
se
t I
C
In
te
rf
a
ce
 In
te
rrup
Si
g
n
a
l Se
le
ct
 C
ir
cu
it
Mo
d
e
m
 S
e
ri
a
Si
g
n
a
l
C
P
U
 I/
O
 P
o
w
er
 3.
3V
O
p
e
ra
ti
o
n
:          3
.3
V
Re
se
P
o
w
e
r O
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:         0
V
R
e
se
t O
N
:   3.
3V
O
FF:
   0
V
Page of 23
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Panasonic KX-TVM50C / KX-TVM502C / KX-TVM503X / KX-TVM524X / KX-TVM594X / KX-TVM296C Service Manual / Supplement ▷ Download

  • DOWNLOAD Panasonic KX-TVM50C / KX-TVM502C / KX-TVM503X / KX-TVM524X / KX-TVM594X / KX-TVM296C Service Manual ↓ Size: 7.28 MB | Pages: 23 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Supplement for the Panasonic KX-TVM50C / KX-TVM502C / KX-TVM503X / KX-TVM524X / KX-TVM594X / KX-TVM296C in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic KX-TVM50C / KX-TVM502C / KX-TVM503X / KX-TVM524X / KX-TVM594X / KX-TVM296C PBX. Information contained in Panasonic KX-TVM50C / KX-TVM502C / KX-TVM503X / KX-TVM524X / KX-TVM594X / KX-TVM296C Service Manual / Supplement (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.