Panasonic KX-T7730RU (serv.man4) Service Manual / Supplement ▷ View online
21
KX-T7730RU
1.8.
PRINTED CIRCUIT BOARD (MAIN BOARD)
1.8.1.
COMPONENT VIEW
Change from the Original Service Manual Section 16.1.
KX-T7730RU MAIN BOARD (COMPONENT VIEW)
C
E1
W
R
RA2
CN1
13
14
2
1
C117
C115
C116
R125
R91
D10
C91
C4
R94
R95
C96
C93
3
1
4
5
T1
Q1
C2
Q2
Q10
Q8
C28
Q11
C30
JK2
1
C29
R31
C211
C209
R237 R232 R240
C31
SP1
Q7
C23
R22
R36
R19
R20
R26
Q5
M2
M1
D4
D6
D5
Q6
C22
R25
R88
IC8
7
8
8
1
4
4
5
C86
R87
C82
C76
R207
R43
R66
R67
C71
C66
C67
C61
C72
R64
V1
T2
10
1
5
6
R82
R86
C57
C63
C56
G1
IC3
14
1
15
28
G2
Q14
C59
C51
C50
R49
C45
R50
C47
R45
C48
C44
C49
R47
Q13
Q16
R70
DG2
R71
R206
PSUP1382Z -C
PbF
C
C43
R54
R59
C46
R57
R55
C58
C62
R80
C60
R46
R48 R51
C52
R52
R44
R72
R58
C55
R69
R42
R68
Q15
IC4
14
1
W
R
E5
SPN
SP+
2
JK3
B5
IC5
C25
Q18
K1
R28
C34
C207
Q3
Q4
R10
R14
C12
C10
R4
R231
C33
R77
C35
R289
Q9
R34
IC10
R32
R230
C130
C21
C81
C41
R6
C3
D1
R1
R
B8
B7
B6
T
L
H
JK1
B4
R3
R2
R5
Q103
C113
C110
Q109
R99 D3
C95
IC6
1
4
5
8
IC1
48
K2
49
64
33
32
E6
17
16
1
Q104
R131
R132
R133
R134
R135
C112
C114
R136
Q108
Q107 Q106
Q105
R127
R126
Q20
PC1
R24
C208
R101
D2
C101
R102
R23
C24
R74
J2
J3
SP2
7
AG1
Q12
C214
C213 D9
R40
C203
C205
C206
C204
IC9
Q101
R104
R108
D7
C104
C102
R154
R155
R103
R153
R129
CN9
R100
R73
D3.3V
R105
R107
C215
R89
C85
R85
C85
R85
R78
R61
C54
C53
R56
C74
R62
R63
C75
R65
C73
CN3
1
R27
C84
C94
R97
R128
C92
R93
R92
R98
R7
R41
R81
C13
R17
C5
C6
R9
C14 C8
R12
C7
R8
R13
R16
C26
C42
C132
R236
R238
C32
R29
C27
R84
R39
CN7
PSUP1382Z -B
PbF
C
R30
R37
R38
C131
C36
R235
C133
R76
R233 R234
C9
C212
R15
R96
CN4
N5
N8
N7
N6
A1
A2
A7
R140
R139
R138
A9
E3
B1
A4
A3
E2
E4
B2
A5
B3
A6
R21
R106
R201
R123
R124
R79
R156
R137
PSUP1382Z -A
PbF
M3
R
CN5
W
R60
C68
C65
C64
R
CN2
W
AG2
AG
DG
+6V
IC7
Q102
IC11
C103
C210
IC2
D5V
R75
X1
C106
C107
R121
C108
D31
D32
D34
A8
R208
N2
N1
N4
N3
D33
D30
22
KX-T7730RU
1.8.2.
BOTTOM VIEW
Change from the Original Service Manual Section 16.2.
M.K
KXT7730RU
KX-T7730RU MAIN BOARD (BOTTOM VIEW)
D12
SW52
D14
D15
D29
CO12
CO11
CO10
CO9
CO8
CO7
CO6
CO5
CO4
CO3
CO2
CO1
SW11
SW12
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D16
D17
SW44
SW37
SW29
SW31
HOOK SW
INTERCOM
CONF
SW30
SW32
SW16
R90
SW1
HIGH-LOW-OFF
R90
SW22
SW40
SW34
SW28
FWD/DND
SW36
SW38
PAUSE
TRANSFER
AUTO DIAL
AUTO ANS
MUTE
STORE
FLASH
SW51
PROGRAM
SW35
SW13
SW14
SW17
SW18
SW19
SW20
SW23
SW24
SW25
SW26
MESSAGE
1
4
SW15
SW33
CN8
17
1
SW41
7
SW21
SW39
SW42
SW45
8
SW27
9
#
0
HOLD
REDIAL
SP-PHONE
5
6
SW46
2
3
SW43
D13
D11
SW49
SW47
SW50
SW48
R144
4
3
2
1
22
KX-T7730RU
1.8.2.
BOTTOM VIEW
Change from the Original Service Manual Section 16.2.
M.K
KXT7730RU
KX-T7730RU MAIN BOARD (BOTTOM VIEW)
D12
SW52
D14
D15
D29
CO12
CO11
CO10
CO9
CO8
CO7
CO6
CO5
CO4
CO3
CO2
CO1
SW11
SW12
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D16
D17
SW44
SW37
SW29
SW31
HOOK SW
INTERCOM
CONF
SW30
SW32
SW16
R90
SW1
HIGH-LOW-OFF
R90
SW22
SW40
SW34
SW28
FWD/DND
SW36
SW38
PAUSE
TRANSFER
AUTO DIAL
AUTO ANS
MUTE
STORE
FLASH
SW51
PROGRAM
SW35
SW13
SW14
SW17
SW18
SW19
SW20
SW23
SW24
SW25
SW26
MESSAGE
1
4
SW15
SW33
CN8
17
1
SW41
7
SW21
SW39
SW42
SW45
8
SW27
9
#
0
HOLD
REDIAL
SP-PHONE
5
6
SW46
2
3
SW43
D13
D11
SW49
SW47
SW50
SW48
R144
4
3
2
1
22
KX-T7730RU
1.8.2.
BOTTOM VIEW
Change from the Original Service Manual Section 16.2.
M.K
KXT7730RU
KX-T7730RU MAIN BOARD (BOTTOM VIEW)
D12
SW52
D14
D15
D29
CO12
CO11
CO10
CO9
CO8
CO7
CO6
CO5
CO4
CO3
CO2
CO1
SW11
SW12
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D16
D17
SW44
SW37
SW29
SW31
HOOK SW
INTERCOM
CONF
SW30
SW32
SW16
R90
SW1
HIGH-LOW-OFF
R90
SW22
SW40
SW34
SW28
FWD/DND
SW36
SW38
PAUSE
TRANSFER
AUTO DIAL
AUTO ANS
MUTE
STORE
FLASH
SW51
PROGRAM
SW35
SW13
SW14
SW17
SW18
SW19
SW20
SW23
SW24
SW25
SW26
MESSAGE
1
4
SW15
SW33
CN8
17
1
SW41
7
SW21
SW39
SW42
SW45
8
SW27
9
#
0
HOLD
REDIAL
SP-PHONE
5
6
SW46
2
3
SW43
D13
D11
SW49
SW47
SW50
SW48
R144
4
3
2
1
