How To Recognize That Pb Free Solder Is Used - Panasonic KX-T7665AL Service Manual

KX-T7665AL / KX-T7665X
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.)
Q32
Marked PbF
W R
CN3
2 1
B6
A6
16
A2
17
A1
B5
E2
Q33 Q34 Q35 E1
F8
32
Q31
F6
33
A3 F4
F2
F3
R519
R407
C400
PN9
A4
R520
16 1
17 64
R521
IC2
R129
R516
49
R119
32
C107
33 48
R116
C407 C402
R112
R102
R114
R401
C100
C406
R101 R403
R106
IC7
C108
R115
C102
R104
R109 R132
Q1
R111
C106
C113
C109
C104
C114
R130
C103 Q2
C120
C116
R100
Q3
R133
R139
R138
R135
Q21
Q5
B3
Q6
D3V R137
L21
C204
B2
R200
B1
A5
CN2
F5
F7
1
R
C205
PSUP1439Z-A
PbF
PSUP1439Z-B
PbF
CN5
10
G1
R604
R600
R601
R603
C601
C602
C607
D5V
R602
C606
R610
1
64
R607
IC6 R609
R608
IC5
49
48
F1
T
R
JK1
C403
X1
H L
B4
1 10
C110
D1
T1
C118
R114
5
C112
Q4
C201 R202
9
IC1
C203 Q22
R209
Q23
R207
R208
R206
R204
R518
IC3
2
W
AG2
R513
MIC2
KX-T7665AL / KX-T7665X : MAIN BOARD
4
1
C600
IC8
E4
C609
JK2
E3
C500
JK3
SP1
AG1
MIC1
CN1
2
SPN
SPP
1
R605
C608
R606
R503
C503
C510
C521
C528
R514
Q52
C518
R504
C516
C504
GND
Q51
IC4
R508
C511
A3V
R510
R511 C508
C513
R512
C509
C507
C514
C512 R509
R507 C519
C502
A