Panasonic KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT Service Manual ▷ View online
1.2.1.2. Operation
SW531
PbF
Marked
(Component View)
1
4
7
2
5
8
0
SP
3
6
9
#
X1
X2
X3
MUTE
EXIT
GREET
ING
ANSWER
STOP
CLEAR
LEFT
TALK
STOP
DOWN
RIGHT
UP
M1
M2
M3
PbF
Marked
(Flow Solder Side View)
Note:
The location of the “PbF“ mark is subject to change without notice.
6
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
1.2.2. Cordless Handset PCB
IC3
IC2
IC1
IC10
PbF
Marked
(Component View)
MIC
INT
#
9
6
3
MAIL
SP
SW1
SOFT_A
CLEAR
TALK
S1
0
8
5
2
7
4
1
R
LED7
LED4
LED9
IC4
IC5
LED6
LED5
PbF
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.
7
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
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.
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KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
4 BATTERY
4.1. Battery Installation
Please ensure the batteries are inserted as shown.
part should be inserted first.
Close the cover as indicated by the arrow.
•
•
•
•
When you replace the batteries,
part should be removed first.
4.2. Battery Charge
At the time of shipment, the batteries are not charged. To charge, place the cordless handset on the charger.
Please charge the batteries for about 7 hours before initial use. During charging, the charge LED will light as shown below.
The cordless handset, even when switched off, will be turned on automatically when it is placed on the charger.
The cordless handset will not operate while it is on the charger.
If the handset display flashes
when the cordless handset is lifted off the charger, please charge the cordless handset
batteries at least 15 minutes.
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.
•
•
•
•
Confirmation of Antenna Pict (
) indication:
If Antenna Pict is indicated, charge time is about 7 hours.
However, if Antenna Pict is flashing, charge time becomes long.
9
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
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