Read Panasonic KX-T7730UA Service Manual online
1.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED
PbF is stamped to show that Pb free solder is used. (See the figure below.)
E1
W R
2
1
RA2
CN1
1
9
2
10
RA1
R151
R125
R91
C91
C4
R94
R95
C96
C93
3
4
6
1
T1
Q1
C2
Q2
Q10
Q8
C28
Q11
JK2
1
4
C29
C30
R31
C31
SP1
C23
R22
R20
R73
M2
M1
D4
D6
D5
C22
R25
R26
R87
R88
R85
C85
7
8
8
1
4
5
C82
R207
R42
R66
R67
C66 C67
C61
C210 R79
R53
R65
V1
T2
10
1
5
6
C83
R82
C57
C63
C56
G1
IC3
15
1
G2
28
15
14
Q14
C59
C51
C50
R49
C45
C50
R49
C45
R50
C47
R45
C48
C44
C49
R47
Q13
Q16
R70
C65
R71
R206
PbF
B
C43
R43
R54
C46
R57
R55
C58 C62
R80
R59
C60
R46
R48
R51
C52
R52
R44
R72
R58
R69
R68
Q15
IC4
14
1
W
R
E5
SP-
SP+
B5
IC5
C25
AG1
Q18
K1
R28
C34
Q3
Q4
R10
R16
R14
C14
C12
R4
C81
1
8
C36
C33
R77
C35
5
R34
4
IC10
R32
R33
C21
C41
R9
R17
R6
C7
C3
D1
R1
R
B8
B7
B6
T
L
H
JK1
B4
C11
R3
R2
R5
Q103
Q109
R99 D3
C95
C1
IC6
1
4
5
8
IC1
48
K2
49
64
33
32
E6
17
16
1
Q104
R131
R132
R133
R134
R135
R136
Q108
Q107
Q106
Q105
R152
R127 R126
Q20
PC1
R101
D2
C101
R102
R23
C207
C208
C213
C214
R24
R19
C24
R74
J2
J3
SP2
Q6
Q12
R40
C84
C203
C205
C206
C204
Q101
IC2
R104
R108
C105
C109
R121
R155
X1
C107
R154
R103
R105
R89
R78
C54
C53
R83
R86
R61
R56
C74
C75
C76
R63
C73
R62 R64 C72
CN3
2
1
R27
C94
R97
R100
C92 R93
R92
R98
R7
R41
R81
C13
C5
C6
R8
C8
R13
C42
C26
C32
R29
C27
C209
C211
R38
R84
R39
CN7
B
PbF
9
1
R30
R37 R38
R76
R35
C9
R15
R96
C10
CN4
A1
A2
A7
R137
R141
R140
R139
R138
R138
A9
E3
B1
A4
A3
E2
E4
B2
A5
B3
A6
Q7
Q5
R21
R12
R106
R201
C55
C71
C110
R128
~
~
~
~
CN6
1
2
PbF
B
M3
R60
C64
C64
X
AG2
AG
DG2
DG
+6V
IC7
Q102
C103
C102
7
1
14
8
R107
IC9
D5V
R122
C108
R124
R123
C106
R153
D31
D33
D32
D34
A8
W
R
CN5
2
1
R208
N2
N1
N4
N8
N7
N6
N5
JK3
N3
RU
SP
AL
NZ
CE
CN
M
A
B
C
E
20
30
50
KX-T7730UA MAIN BOARD
COMPONENT VIEW PSUP1382Z
W
R
CN2
2
1
PSUP1382Z -A
PSUP1382Z -B
PSUP1382Z -C
Marked PbF
Marked PbF
4
KX-T7730UA
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