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 5

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5

Note:
*2: Please refer to "1 ORIGINAL SERVICE MANUAL INFORMATION".
IC401
PNWITG6521EH 
----------
IC (EEPROM) 
(for KX-TG2521CA)
*1
0
--
6
Y
*2
IC611
----------
PNWITG6721GH
IC (EEPROM)
*1
1
--
5
Y
*2

Main P.C. Board Parts (Handset) 
PCB100
PNWPGA250RUR
PNWPA250RUR1
MAIN P.C.BOARD ASS'Y
(RTL) (for KX-TGA250RU)
*1
1
--
8
Y
*2
PCB100
PNWPGA251RUR
PNWPA250RUR1
MAIN P.C.BOARD ASS'Y
(RTL) (for KX-TGA251RU)
*1
1
--
8
Y
*2
IC3
PNWIGA250EXR
PNWIGA277EXR
IC (EEPROM) 
*1
1
--
8
Y
*2
C72, C73
----------
ECUE1H222KBQ
CAPACITOR, 0.0022
F
*1
2
--
5
Y
*2
E106
PNLA1020Z
-----
ANTENNA
*1
0
--
6
Y
*2
Ref. No.
Part No.
Part Name & Description 
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
PCB1
Main board in Base unit (Suffix A, B, or C)
Handset board (Suffix A, B, or C)
E1
6
6
E103
E105
E102
E101
E104
E106
E107
MIC100
PCB100
PCB1
6
When changing Main board in Base unit or Handset board for suffix C or older.
E103
E105
E102
E101
E104
E107
MIC100
PCB100
E1
You have to chang both NEW Main 
and NEW Handset board at the same time.

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