Panasonic KX-TG8421CAT / KX-TGA840UAT (serv.man2) Service Manual / Supplement ▷ View online
ORDER NO. KM40907423SE
Telephone Equipment
Model No.
KX-TG8421CAT
KX-TGA840UAT
KX-TGA840UAT
Digital Cordless Answering System
T: Titanium Black Version
(for Kazakhstan)
(for Tajikistan)
(for Uzbekistan)
(for Turkmenistan)
(for Kyrgyzstan)
(for Kazakhstan)
(for Tajikistan)
(for Uzbekistan)
(for Turkmenistan)
(for Kyrgyzstan)
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-
TG8421CAT/KX-TGA840UAT, Order No.KM40903858CE.
TG8421CAT/KX-TGA840UAT, Order No.KM40903858CE.
2
KX-TG8421CAT/KX-TGA840UAT
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-TG8421CAT/KX-TGA840UAT
Note : There are 2 kinds of EEPROM IC.
Y.M
KXTG8421CAT
KXTGA840UAT
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
Display