KX-TG2521CAT, KX-TGA251RUT (serv.man3) - Panasonic Telephone Service Manual Supplement (repair manual). Page 2

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KX-TG2521CAT/KX-TGA251RUT
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Note:
The shape of IC is different in the old one and the new one.
NM
KXTG2521CAT
KXTGA251RUT
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
Notes:
The shape of IC is different in the old one and the new one.
Remarks:
*c : 
To share the parts with other models.
2. Change of material or dimension
3. To meet approved specification
4. Standardization
5. Addition
6. Deletion
7. Correction
8. Other
Ref. No.
Part No.
Part Name & Description 
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
Main P.C. Board Parts (Base Unit)
IC7
C1CB00002906
C1CB00003925
IC
1
*c
4
V
---
OLD
NEW
C1CB00002906
C1CB00003925
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