Read Panasonic KX-TG8421RUB / KX-TG8421RUN / KX-TG8421RUT / KX-TG8421RUW / KX-TG8422RUB / KX-TG8422RUN / KX-TGA840RUB / KX-TGA840RUN / KX-TGA840RUT / KX-TGA840RUW (serv.man2) Service Manual Supplement online
ORDER NO. KM40908512SE
Telephone Equipment
Model No.
KX-TG8421RUB
KX-TG8421RUN
KX-TG8421RUT
KX-TG8421RUW
KX-TG8422RUB
KX-TG8422RUN
KX-TGA840RUB
KX-TGA840RUN
KX-TGA840RUT
KX-TGA840RUW
KX-TG8421RUN
KX-TG8421RUT
KX-TG8421RUW
KX-TG8422RUB
KX-TG8422RUN
KX-TGA840RUB
KX-TGA840RUN
KX-TGA840RUT
KX-TGA840RUW
Digital Cordless Answering System
B:Black Version
N:Platinum Silver Version
T:Titanium Black Version
W:White Version
(for Russia)
N:Platinum Silver Version
T:Titanium Black Version
W:White Version
(for Russia)
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST--------------------------------- 2
1.1. REFERENCE CHART------------------------------------ 2
1.2. ORIGINAL AND NEW PARTS COMPARISON
1.2. ORIGINAL AND NEW PARTS COMPARISON
LISTS --------------------------------------------------------- 2
Please file and use this supplement manual together with the service manual for Model No.KX-
TG8421RUB/KX-TG8421RUN/KX-TG8421RUT/KX-TG8421RUW/KX-TG8422RUB/KX-TG8422RUN/KX-
TGA840RUB/KX-TGA840RUN/KX-TGA840RUT/KX-TGA840RUW, Order No.KM40902824CE.
TG8421RUB/KX-TG8421RUN/KX-TG8421RUT/KX-TG8421RUW/KX-TG8422RUB/KX-TG8422RUN/KX-
TGA840RUB/KX-TGA840RUN/KX-TGA840RUT/KX-TGA840RUW, Order No.KM40902824CE.
2
KX-TG8421RU/KX-TG8422RU/KX-TGA840RU
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Change of the Suffix Code
Base unit
Handset
Serial No.Label tells you the suffix code as follows
Reason for Change
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
*The following items (1-8) indicate the reason for change. See the “Notes” column for each part in ORIGINAL AND NEW PARTS
COMPARISON LISTS.
1. Improve performance
Remark:
*o: EEPROM has been changed from 64 k to 128 k.
*o: EEPROM has been changed from 64 k to 128 k.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Suffix Code
Reasons of change
A to B
Due to revision of suffix of handset (A to B).
There is no change in the replacement parts list.
There is no change in the replacement parts list.
Suffix Code
Reasons of change
A to B
EEPROM has been changed from 64 k to 128 k.
3
KX-TG8421RU/KX-TG8422RU/KX-TGA840RU
Note : There are 2 kinds of EEPROM IC.
Y.M
KXTG8421RUB
KXTG8421RUN
KXTG8421RUT
KXTG8421RUW
KXTG8422RUB
KXTG8422RUN
KXTGA840RUB
KXTGA840RUN
KXTGA840RUT
KXTGA840RUW
Ref. No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
Handset
IC3
IC3
PQWIA130EXRR
PNWIA840EXRR
IC (EEPROM)
1
*o
1
W
A to B
