Panasonic KX-T7730RU (serv.man7) Service Manual / Supplement ▷ View online
5
KX-T7730 Series
3 Printed Circuit Board (Main Board)
3.1.
Component View
Changed from Original Service Manual as section 16.1.
MAIN BOARD (COMPONENT VIEW)
HK
B
1 2 3 4 5 6 7 8 9
A
C21
C22
C23
C24
C25
C26
C27
C28
C29
C30
C31
C32
C33
C34
C35
D3.3V
C36
C41
C42
C43
C44
R230
C45
R231
C46
R232
C47
R233
C48
R234
C49
R235
R236
R237
R238
C50
C51
C52
C53
C203
C54
R240
C204
C55
C205
C56
C206
C57
C207
C58
C208
C59
C209
C60
C210
C61
C211
C62
C212
C63
C213
C64
C214
Q10
E
C65
C215
Q11
C66
Q12
C67
Q13
E
SP+
C68
H
Q14
E
Q15
Q16
L
Q18
E
SP1
SP2
C71
C72
R
RA2
C73
C74
T
Q20
E
Q21
E
C75
Q22
E
C76
A1
A2
A3
A4
A5
DG2
A6
A7
A8
C81
A9
C82
C84
C85
PC1
C86
B1
B2
SPN
B3
B4
B5
B6
AG
B7
B8
C91
C92
C93
C94
C95
C96
C2
C3
C4
R289
C5
C6
C7
C8
C9
D1
Q101
E
R296
D2
Q102
E
D3
D4
D5
Q105
D6
Q106
D7
Q107
Q108
D9
Q109
E
Q110
Q111
E
E1
Q112
E2
Q113
E3
Q114
E
E4
E5
E6
DG
G1
G2
JK1
5
1
4
JK2
1
4
5
JK3
1
2
3
4
5
R100
R101
J2
R102
J3
R103
R104
R105
R106
R107
D10
R108
R300
R301
R302
R303
K1
K2
R121
R123
R124
R125
R126
R127
D30
R128
D31
R129
D32
D33
D34
R131
M1
R132
M2
R133
M3
R134
R135
R136
R137
D40
R138
R139
C101
C102
C103
R140
C104
N1
C106
N2
C107
N3
C108
N4
N5
N6
N7
N8
C110
IC1
4 9
6 4
1 7
3 2
1
1 6
3 3
4 8
IC2
C112
IC3
1
1 4
28
15
C113
IC4
C114
IC5
7
1
8
1 4
C115
IC6
C116
R153
IC7
1
C117
C118
R154
IC8
R155
IC9
R156
R157
R158
R159
R10
AG1
AG2
R12
R13
R14
R15
R16
R17
R19
C130
R20
C131
R21
D5V
C132
R22
C133
R23
R24
R25
Q1
E
R26
Q2
E
R27
E
Q3
R28
Q4
E
R29
Q5
E
Q6
E
Q8
E
Q9
E
R30
R31
R32
R34
R1
R36
R2
R37
R3
R38
R4
R39
R5
R6
R7
R8
R9
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
R50
R50
R51
R52
R54
T1
R55
R56
T2
R57
R58
R59
R60
R61
R62
R63
R64
R65
R66
R67
R68
R69
R70
R71
R72
R73
R74
R75
V1
R76
R77
R78
R79
R80
R81
R82
R84
R85
R86
R87
R88
R89
R89
CN1
2
1 3
1 4
1
R91
R92
R93
R94
R95
X1
1
4
CN9
R96
+6V
R97
R98
R99
C10
C12
C13
C14
R201
IC10
IC11
R206
R207
R208
CN3
CN7
CN4
X
A
UE
C E
NE
CN
CE
NZ
AL
SP
RU
PSUP1382YE-GW-A
PbF
PSUP1382YE-GW-C
PbF
CN5
REF2
50
30
20
CN2
PbF
PSUP1382YE-GW-B
5
1
10
6
1
4
8
5
7
1
8
5
4
1
MP
MP
MP
L1
C250
L2
L3
C251
C252
C253
C254
L4
C255
L5
M
D41
1 2 3 4 5 6 7 8 9
A B C D E F G H I
6
KX-T7730 Series
3.2.
Bottom View
Changed from Original Service Manual as section 16.2.
MAIN BOARD (BOTTOM VIEW)
SW
29
SW3
0
SW
31
SW11
SW12
SW13
SW14
SW15
SW16
SW17
SW18
SW19
SW20
SW21
SW22
SW23
SW24
SW25
SW26
SW27
SW28
SW29
SW30
SW31
SW32
SW33
SW34
SW35
SW36
SW37
SW38
SW39
SW40
SW41
SW42
SW43
SW44
SW45
SW46
SW47
SW48
SW49
SW50
SW51
SW52
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
R144
R90
HOOK SW
INTERCOM
FLASH
AUTO ANS
MUTE
HIGH-LOW-OFF
3
2
1
4
CONF
AUTO DIAL
1
2
4
5
7
8
0
1
7
CN8
REDIAL
HOLD
SP-PHONE
REF1
9
6
3
STORE
TRANSFER
PAUSE
FWD/DND
PROGRAM
MESSAGE
CO11
CO10
CO9
CO8
CO7
CO6
CO5
CO4
CO3
CO2
CO1
CO12
L6
L7
7
KX-T7730 Series
4 Exploded View and Replacement Parts List
4.1.
Main Boards Parts
Changed from Original Service Manual as section 13.3.
4.1.1.
KX-T7730CE /CE-B
Safety
Ref.
No.
Part No.
Part Name & Description Remarks
PCB1
PNWPT7730CE2
MAIN BOARD ASS´Y
(RTL)
PbF
PbF
(ICS)
IC1
PNWIT7730CE1
IC
IC2
C0EBF0000435
IC
IC3
C1CB00004920
IC
IC5
C0JBAS000185
IC
IC6
C0ABBA000025
IC
IC7
PQVIBA06FPE2
IC
S
IC8
C0JBAS000249
IC
IC9
C0JBAB000551
IC
IC10
C0ABBA000025
IC
IC11
C0DBGYY00887
IC
(TRANSISTORS)
Q1
B1ADGP000008
TRANSISTOR(SI)
S
Q2
B1ADGP000008
TRANSISTOR(SI)
S
Q3
B1ABDF000026
TRANSISTOR(SI)
Q4
B1ABDF000026
TRANSISTOR(SI)
Q5
B1ABDF000026
TRANSISTOR(SI)
Q6
B1ABDF000026
TRANSISTOR(SI)
Q8
B1ABDF000026
TRANSISTOR(SI)
Q9
B1ABDF000026
TRANSISTOR(SI)
Q10
B1ABDF000026
TRANSISTOR(SI)
Q11
PSVTUMG2NTR
TRANSISTOR(SI)
S
Q12
PSVTUMG2NTR
TRANSISTOR(SI)
S
Q13
B1ABDF000026
TRANSISTOR(SI)
Q14
B1ABDF000026
TRANSISTOR(SI)
Q15
PSVTUMG2NTR
TRANSISTOR(SI)
S
Q16
PSVTUMG2NTR
TRANSISTOR(SI)
S
Q18
B1GBCFNN0035
TRANSISTOR(SI)
Q20
B1GBCFNN0035
TRANSISTOR(SI)
Q21
B1GBCFNN0035
TRANSISTOR(SI)
Q22
UN5113
TRANSISTOR(SI)
S
Q101
2SA1576R
TRANSISTOR(SI)
S
Q102
B1ABDF000026
TRANSISTOR(SI)
Q105
B1GHCFCJ0001
TRANSISTOR(SI)
Q106
B1GHCFCJ0001
TRANSISTOR(SI)
Q107
B1GHCFCJ0001
TRANSISTOR(SI)
Q108
B1GHCFCJ0001
TRANSISTOR(SI)
Q109
PSVTUMG2NTR
TRANSISTOR(SI)
S
Q111
B1ABGE000014
TRANSISTOR(SI)
Q112
B1ABGE000014
TRANSISTOR(SI)
Q113
B1ABGE000014
TRANSISTOR(SI)
Q114
B1ABGE000014
TRANSISTOR(SI)
(DIODES)
D1
B0EDER000009
DIODE(SI)
D2
B0EDER000009
DIODE(SI)
D3
1SS355
DIODE(SI)
S
D4
1SS355
DIODE(SI)
S
D5
1SS355
DIODE(SI)
S
D6
B0BC013A0007
DIODE(SI)
D7
DA2J10100L
DIODE(SI)
D9
B0BC6R100010
DIODE(SI)
D10
DA2J10100L
DIODE(SI)
D11
B3AAB0000347
DIODE(SI)
D12
B3ABB0000294
DIODE(SI)
D13
B3AAB0000347
DIODE(SI)
D14
B3AAB0000347
DIODE(SI)
D15
B3AAB0000347
DIODE(SI)
D16
B3AAB0000347
DIODE(SI)
D17
B3AAB0000347
DIODE(SI)
D18
B3AGB0000050
DIODE(SI)
D19
B3AGB0000050
DIODE(SI)
D20
B3AGB0000050
DIODE(SI)
D21
B3AGB0000050
DIODE(SI)
D22
B3AGB0000050
DIODE(SI)
D23
B3AGB0000050
DIODE(SI)
D24
B3AGB0000050
DIODE(SI)
D25
B3AGB0000050
DIODE(SI)
D26
B3AGB0000050
DIODE(SI)
D27
B3AGB0000050
DIODE(SI)
D28
B3AGB0000050
DIODE(SI)
D29
B3AGB0000050
DIODE(SI)
D30
DA2J10100L
DIODE(SI)
D31
1SS355
DIODE(SI)
S
D32
1SS355
DIODE(SI)
S
D33
1SS355
DIODE(SI)
S
D34
1SS355
DIODE(SI)
S
D40
DA2J10100L
DIODE(SI)
(FILTERS)
L1
J0JCC0000282
IC FILTER
L2
J0JCC0000282
IC FILTER
L3
J0JCC0000282
IC FILTER
(COILS)
L4
PQLQR2KA12T
COIL
S
L5
PQLQR2KA113
COIL
S
(JACKS)
JK1
K2LB104D0005
JACK/SOCKET
JK2
K2LB104D0004
JACK/SOCKET
JK3
PQJJ1C002Z
JACK/SOCKET
S
(CONNECTORS)
CN1
K1MN14AA0058
CONNECTOR
(COMPONENTS PARTS)
RA2
D1H81224A024
COMPONENTS PARTS
(CAPACITORS)
C2
PQCUV1C334KB
0.33
C3
F2G1C2200012
22
C4
F1J1A106A043
10
C6
ECUV1H102KBV
0.001
C7
ECUV1H122KBV
0.0012
C8
ECUV1A224KBV
0.22
C9
F2G1A101A174
100
C12
ECUV1H222KBV
0.0022
C13
ECUV1C104KBV
0.1
C14
ERJ3GEY0R00
0
S
C21
ECUV1C104KBV
0.1
C22
ECUV1C223KBV
0.022
C23
ECUV1C223KBV
0.022
C24
ECUV1C104KBV
0.1
C25
F1J1A106A043
10
C26
ECUV1C104KBV
0.1
C27
ECUV1C104KBV
0.1
C28
ECUV1H102KBV
0.001
C29
ECUV1H103KBV
0.01
C30
F2G0J2210013
220
C31
PQCUV0J226MB
22
C32
ECUV1A105KBV
1
C33
ECUV1H153KBV
0.015
C34
ECUV1C104KBV
0.1
C35
ECUV1A105ZFV
1
C36
ECUV1C104ZFV
0.1
C41
ECUV1C104KBV
0.1
Safety
Ref.
No.
Part No.
Part Name & Description Remarks
8
KX-T7730 Series
C42
ECUV1C104KBV
0.1
C44
ECUV1C473KBV
0.047
C45
ECUV1C333KBV
0.033
C46
ECUV1C473KBV
0.047
C47
ECUV1C333KBV
0.033
C48
ECUV1C104KBV
0.1
C49
ECUV1C333KBV
0.033
C50
ECUV1A225KBV
2.2
C51
ECUV1A225KBV
2.2
C52
F1J1A106A043
10
C53
F2G0J4700012
47
C54
F2G0J1010042
100
C55
F1J1A106A043
10
C56
F2G1A221A096
220
C57
F2G1A1020007
1000
C58
F1J1A475A064
4.7
C59
ECUV1E104KBV
0.1
C60
ECUV1C223KBV
0.022
C61
ECUV1C104KBV
0.1
C62
ECUV1C223KBV
0.022
C63
F2G0J1010042
100
C64
ECUV1C104KBV
0.1
C65
ECUV1H221JCV
220p
C66
ECUV1H103KBV
0.01
C67
ECUV1H103KBV
0.01
C81
ECUV1C104KBV
0.1
C84
ECUV1H103KBV
0.01
C85
ECUV1H103KBV
0.01
S
C86
ECUV1H103KBV
0.01
S
C91
ECUV1C104KBV
0.1
C92
ECUV1A105ZFV
1
C93
ECUV1C473KBV
0.047
C94
ECUV1H102KBV
0.001
C95
ECUV1C104ZFV
0.1
C96
ECUV1H103KBV
0.01
S
C101
ECUV1H103KBV
0.01
C103
ECUV1A225KBV
2.2
C104
ECUV1H103KBV
0.01
S
C106
ECUV1H103KBV
0.01
S
C107
ECUV1C104ZFV
0.1
C108
ECUV1C104ZFV
0.1
C110
ECUV1C104ZFV
0.1
C112
ECUV1A225KBV
2.2
(CE:Suffix L or earlier)
(CE-B:Suffix H or earlier)
C112
---
(CE:Suffix M or later)
(CE-B:Suffix I or later)
C113
ECUV1A225KBV
2.2
(CE:Suffix L or earlier)
(CE-B:Suffix H or earlier)
C113
ECUV1A105KBV
1
(CE:Suffix M or later)
(CE-B:Suffix I or later)
C114
ECUV1A225KBV
2.2
(CE:Suffix L or earlier)
(CE-B:Suffix H or earlier)
C114
---
(CE:Suffix M or later)
(CE-B:Suffix I or later)
C115
ECUV1A225KBV
2.2
(CE:Suffix L or earlier)
(CE-B:Suffix H or earlier)
C115
---
(CE:Suffix M or later)
(CE-B:Suffix I or later)
C116
ECUV1A225KBV
2.2
C117
ECUV1H103KBV
0.01
S
C118
---
(CE:Suffix L or earlier)
(CE-B:Suffix H or earlier)
C118
ECUV1A105KBV
1
(CE:Suffix M or later)
(CE-B:Suffix I or later)
C130
ECUV1H331JCV
330p
S
C131
ECUV1A105KBV
1
C132
ECUV1A105ZFV
1
C203
F2G1E4700013
47
C204
ECUV1C104ZFV
0.1
C205
F2G1A221A096
220
C206
F2G1A101A174
100
C208
ECUV1H102KBV
0.001
Safety
Ref.
No.
Part No.
Part Name & Description Remarks
C209
ECUV1H222KBV
0.0022
C210
ECUV1H103KBV
0.01
S
C211
ECUV1H103KBV
0.01
C212
ECUV1H102KBV
0.001
C213
ECUV1H102KBV
0.001
C215
F2G0J1010051
100
C250
ECUV1H101JCV
100p
C251
ECUV1H221JCV
220p
C252
ECUV1H221JCV
220p
C253
ECUV1H221JCV
220p
C254
ECUV1H221JCV
220p
C255
ECUV1H221JCV
220p
(RESISTORS)
R1
ERJ3GEYJ104
100k
S
R2
ERJ3GEYJ223
22k
S
R3
ERJ3GEYJ222
2.2k
S
R4
ERJ3GEYJ273
27k
S
R5
ERJ3GEYJ470
47
S
R6
ERJ3GEY0R00
0
S
R7
ERJ3GEYJ823
82k
S
R8
ERJ3GEYJ330
33
S
R9
ERJ3GEYJ183
18k
S
R10
ERJ3GEYJ272
2.7k
S
R12
ERJ3GEYJ222
2.2k
S
R13
ERJ3GEYJ474
470k
S
R14
ERJ3GEYJ180
18
S
R15
ERJ3GEYJ682
6.8k
S
R16
ERJ3GEYJ560
56
S
R17
ERJ3GEYJ471
470
S
R20
ECUV1H153KBV
0.015
R21
ERJ3GEYJ682
6.8k
S
R22
ERJ3GEYJ392
3.9k
S
R23
ERJ3GEYJ470
47
S
R24
ERJ3GEYJ274
270k
S
R25
ERJ3GEYJ474
470k
S
R26
ERJ3GEYJ472
4.7k
S
R27
ERJ3GEYJ562
5.6k
S
R28
ERJ3GEYJ392
3.9k
S
R29
ERJ3GEYJ474
470k
S
R30
ERJ3GEYJ104
100k
S
R31
ERJ3GEYJ102
1k
S
R32
ERJ3GEYJ333
33k
S
R34
ERJ3GEYJ332
3.3k
S
R36
ERJ3GSYJ151
150
S
R37
ERJ3GEYJ123
12k
S
R38
ERJ3GEYJ472
4.7k
S
R39
ERJ3GEYJ822
8.2k
S
R40
ERJ3GEYJ682
6.8k
S
R41
ERJ3GEYJ822
8.2k
S
R42
ERJ3GEYJ153
15k
S
R43
ERJ3GEYJ474
470k
S
R44
ERJ3GEYJ472
4.7k
S
R45
ERJ3GEYJ332
3.3k
S
R46
ERJ3GEYJ562
5.6k
S
R47
ERJ3GEYJ562
5.6k
S
R48
ERJ3GEYJ225
2.2M
S
R49
ERJ3GEYJ303
30k
S
R50
ERJ3GEYJ683
68k
S
R51
ERJ3GEYJ275
2.7M
S
R52
ERJ3GEYJ104
100k
S
R54
ERJ3GEYJ183
18k
S
R55
ERJ3GEYJ154
150k
S
R56
ERJ8GEYJ3R3
3.3
S
R57
ERJ3GEYJ102
1k
S
R58
ERJ3GEYJ104
100k
S
R59
ERJ3GEYJ123
12k
S
R60
ERJ3GEYJ152
1.5k
S
R61
ERJ3GEY0R00
0
S
R67
ERJ3GEYJ224
220k
S
R68
ERJ3GEYJ124
120k
S
R69
ERJ3GEYJ563
56k
S
R70
ERJ3GEYJ273
27k
S
Safety
Ref.
No.
Part No.
Part Name & Description Remarks
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