Panasonic KX-TCD450 Series Service Manual page 13

6.3.3. Reset Base Unit PIN to Default (0000) -When There is NO Handset Registered-
6.3.3.1. Symptom
There is no way to reset base PIN when there is no handset registered to the base.
6.3.3.2. Thinkable Situation
· Customer may ask to reset base PIN because they forget it.
· Customer may bring only a base unit for repair and there is no handset registered to the base (Need to register another handset
to the base to confirm if the unit works properly after repair).
· When original handset has broken and customer purchased a new one, if customer forget base PIN, customer cannot register
the new handset and may ask to reset the PIN.
6.3.3.3. Remedy
<Preparation>
Refer to JIGs and PC (P.42).
<Connection>
1. Solder a pin or lead wire to GND, SDA, and SCLK on base PCB.
2. Plug in AC adaptor to the base.
3. Turn on the power to the JIG (9V).
4. Then connect the cable to each pins using clip.
As for the connection between JIG and PCB, see below photos.
Base PCB
<PC setting and how to reset base PIN to default (0000)>
1. Refer to PC Setting (P.42).
2. Next, execute <initbspin.bat> by typing "initbspin". The PC display will be shown as below.
3. After that, turn off DC power supply (9V) to the jig, unplug AC adaptor, and remove pins on PCB.
Then close the cabinet. The base pin returns to the default (0000) and you can register a handset to the base using the base
PIN (0000).
+2.65V
SDA
SCL
VBACK
GND
Microsoft Windows 2000 [Version 5.00.2195]
(C) Copyright 1985-2000 Microsoft Corp.
C: >cd dect
C: DECT>SET RTX_COM=1
C: DECT>DOSKEY
C: DECT>initbspin
C: DECT>call wreeprom.bat 00 25 00
C: DECT>call wreeprom.bat 00 26 00
C: DECT>_
KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT
Clip
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