Panasonic KX-TCD435RU / KX-TCD437RU / KX-A143RU Service Manual ▷ View online
1.2.
How to recognize that Pb Free solder is used
1.2.1.
Base Unit PCB
Marked
PbF
IC1
IC3
IC2
1
1
64
49
33
4
5
8
1
11
28
18
(Component View)
TP1
TP84
TP97
TP82
TP187
TP91
TP188
TP101
TP89
TP2
1
2
4
6
TP5
TP90
TP50
TP202
TP201
TP45
TP3
TP39
TP40
J101 J103 J104 J102 J105
PbF
+2.65V
SDA
SCL
GND
VBACK
CHARGE
CHARGE
RINGER
RINGER
Marked
(Flow Solder Side View)
Note:
The location of the “PbF“ mark is subject to change without notice.
5
KX-TCD435RU / KX-TCD437R U / KX-A143RU
1.2.2.
Handset PCB
PbF
IC1
IC2
100
80
30
50
5
8
4
1
11
18
1
IC3
Marked
(Component View)
1
PROG
PbF
BOOK
UP
POWER
CAN
DOWN
RIGHT
REDIAL
LEFT
1
2
3
6
5
7
0
#
R
4
9
8
INT
MIC
TALK
36
CN2
Marked
(Flow Solder Side View)
Note:
The location of the “PbF“ mark is subject to change without notice.
1.2.3.
Charger Unit PCB
PbF
D1
J1
Marked
PbF
R1
R2
TP4
TP1
TP2
TP3
Marked
(Component View)
(Flow Solder Side View)
Note:
The location of the “PbF“ mark is subject to change without notice.
6
KX-TCD435RU / KX-TCD437R U / KX-A143RU
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.
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
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommendenced by the
manufacturer.
manufacturer.
Dispose of used batteries according to the manufacture’s Instructions.
7
KX-TCD435RU / KX-TCD437R U / KX-A143RU
4 BATTERY
4.1.
Battery Installation
1. Insert the batteries negative (-) terminal first.
2. Close the battery cover.
Note:
•
•
•
•
Use only rechargeable P03P (Ni-MH)/P03H (Ni-Cd) batteries.
4.2.
Battery Charge
Place the handset on the base unit for about 7 hours before initial use.
When the batteries are fully charged,
flashes. When charging, the battery icon is shown as follows.
•
•
•
•
Clean the charge contacts of the handset and base unit with a soft, dry cloth once a month, otherwise the batteries may not
charge properly. Clean more often if the unit is exposed to grease, dust or high humidity.
charge properly. Clean more often if the unit is exposed to grease, dust or high humidity.
•
•
•
•
If the handset is turned off, it will be turned on automatically when it is placed on the base unit.
Note for Service:
The battery strength may not be indicated correctly if the battery is disconnected and connected again, even after it is fully
charged.
charged.
In that case, by recharging the battery as mentioned above, you will get a correct indication of the battery strength.
8
KX-TCD435RU / KX-TCD437R U / KX-A143RU
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