KX-TG2511CAM, KX-TG2511CAS, KX-TG2511CAT, KX-TG2512CAM, KX-TG2512CAT, KX-TG2521CAT, KX-TGA250RUM, KX-TGA250RUS, KX-TGA250RUT, KX-TGA251RUT - Panasonic Telephone Service Manual Supplement (repair manual). Page 4

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4
1 ORIGINAL SERVICE MANUAL INFORMATION
2 REPLACEMENT PARTS LIST
2.1.
REFERENCE CHART
2.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Serial No.Label tells you the suffix code as follows.
Model No. on S/M
Destinations
Order No. of S/M
Suffix Code
Base Unit Handset
KX-TG2511CAM/KX-TG2511CAS/KX-TG2511CAT/KX-TG2512CAM/
KX-TG2512CAT/KX-TGA250RUM/KX-TGA250RUS/KX-TGA250RUT
Kazakhstan, Tajikistan, Uzbeki-
stan, Turkmenistan and Kyr-
gyzstan
KM41006113CE
B to D
A to D
KX-TG2521CAT/KX-TGA251RUT
Kazakhstan, Tajikistan, Uzbeki-
stan, Turkmenistan and Kyr-
gyzstan
KM41007180CE
B to D
A to D
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
Note:
When changing main board in base unit or handset board for suffix C or older,
parts with *1 marking have been changed at the same time for both main and handset board.
All old parts are discontinued for suffix C or older.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
t ese c t ca pa ts s ou d be ep aced
t
a u actu e s spec ed pa ts to p e e t s oc ,
e o ot e
a a ds
Do not modify the original design without permission of manufacturer.
IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING
If lead free solder was used in the manufacture of this product, the printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear, please read and follow the special instructions described in this manual on the 
use of PbF and how it might be permissible to use Pb solder during service and repair work.
L When you note the serial number, write down all 11 digits. The serial number may be found on the bottom of the unit. 
L The illustrations in this Service Manual may vary slightly from the actual product.
Ref. No.
Part No.
Part Name & Description 
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
Cabinet and Electrical Parts (Base Unit) 
6
PNLA1030Z
PNLA1095Z
ANTENNA *1
1
--
4
Y
*2
7
PNYE1027Z
-----
SPACER, ANTENNA
*1
0
--
6
Y
*2
Main P.C. Board Parts (Base Unit) 
PCB1
PNWPG2511CAH
PNWP2511CAH1
MAIN P.C.BOARD ASS'Y
(RTL) (for KX-TG2511CA) 
*1
1
--
8
Y
*2
PCB1
PNWPG2521CAH
PNWP2521CAH1
MAIN P.C.BOARD ASS'Y
(RTL) (for KX-TG2521CA)
*1
1
--
8
Y
*2
IC401
PNWITG6511EH
----------
IC (EEPROM) 
(for KX-TG2511CA)
*1
0
--
6
Y
*2
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