Panasonic KX-TCD951GB / KX-TCD955GC Service Manual ▷ View online
45
KX-TCD951GB/KX-TCD955GC
Check the IC1 soldering.
Check the battery contact F1.
Is 3V voltage supplied to T3
emitter?
emitter?
Yes
No
1
46
KX-TCD951GB/KX-TCD955GC
HANDSET: LINK.
2
Is the base unit
registration data contained
in the handset?
Six handsets have already been
registered in the base unit.
registered in the base unit.
Does the LCD
Display remain on,
and is the handset number
displayed?
Does the LCD
Display remain on,
and is the handset number
displayed?
Does the LCD
Display remain on,
and is the handset number
displayed?
The handset has a hardware
(EEPROM, etc.) defect.
(EEPROM, etc.) defect.
The handset has a hardware
(RF unit, etc.) defect.
(RF unit, etc.) defect.
Set the base unit selection to "0".
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
(Use the method for clearing the registered handset data in the base unit.)
Use the serial communication tool to
initialize the data inside the base unit.
initialize the data inside the base unit.
Did the error
beep sound?
beep sound?
Was the registration
successful?
Use the service password (0000) to
register the handset in the base unit.
register the handset in the base unit.
Was the registration
successful?
Use the base password to register the
handset in the base unit.
handset in the base unit.
3
C
A
Set the handset's power switch OFF
and then back to ON.
and then back to ON.
The handset has a hardware
(EEPROM, etc.) defect.
(EEPROM, etc.) defect.
B
Set the handset's power switch OFF
and then back to ON.
and then back to ON.
No
48
KX-TCD951GB/KX-TCD955GC
HANDSET: DOES NOT LINK.
The base unit has a hardware
(EEPROM, etc.) defect.
(EEPROM, etc.) defect.
Yes
C
No
The password is wrong.
Set a new password.
Set a new password.
Disconnect and re-connect the base
unit's AC adaptor.
unit's AC adaptor.
Does the LCD
Display remain on,
and is the handset number
displayed?
Check the RFM1, IC1 and X1
soldering.
soldering.
Conduct an evaluation test on the
RF unit of the handset
(follow check procedure B). OK?
RF unit of the handset
(follow check procedure B). OK?
Does the signal output from IC1 pin 10 (TP56)
of the handset have a frequency of
10.368 MHz ± 40 Hz when the AC adaptor
for the base unit has been disconnected?
of the handset have a frequency of
10.368 MHz ± 40 Hz when the AC adaptor
for the base unit has been disconnected?
3
Yes
OK
NG
Yes
Fails to link (base unit)?
Clear the handset registration
data in the base unit.
data in the base unit.
Adjust the clock frequency
to 10.368 MHz ± 40 Hz.
to 10.368 MHz ± 40 Hz.
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