Table of Contents
Advertisement
1.2.
How to recognize that Pb Free solder is used
(Example: Handset P.C.B.)
F1
L4
R5
60
Q4
R72
R7
61
R94
C114
C99
C23
C115
C120
R92
C71
R87
R89
R88
R26
C109
C90
C87
C12
80
R38
C39
1
R37
C24
C17
C103
R43
L5
R21 R20
Note:
The location of the "PbF" mark is subject to change without notice.
2 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil and ground them.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
3 CAUTION
1. Danger of explosion if battery is incorrectly replaced.
2. Replace only with the same or equivalent type recommended by the manufacturer.
3. Dispose of used batteries according to the manufacture's Instructions.
R90
C96
C40
BAT GND
C18
C21
41
POWER
VDD2
40
VDD1
5
4
IC3
R64
8
1
IC1
R61
C113
R39
R40
C122
JTAG
21
20
C100
R97
R68
C20
R83
C7
C98
X1
KX-TG1233BXS / KX-TG1233BXT / KX-TCA122CXS / KX-TCA122CXT / KX-TCA121CXS / KX-TCA121CXT
Marked
D9
C3
PbF
PQUP11278Z
C1
C92
L1
R80
C16
C13
D8
C76
1
R1
4
R36
C83
5
8
Q8
C80
C57
VDD3
R71
R74
(Component View)
5
C66
1
SP_TEST1
10
CLK
SP_TEST2
26
C53
CN6
C84
C51
17
C67
C49
C48
B
Advertisement
Table of Contents
Troubleshooting
