KX-TG7225RUJ, KX-TG7225RUM, KX-TG7225RUS, KX-TG7225RUT, KX-TG7226RUS, KX-TG7226RUT, KX-TGA721RUJ, KX-TGA721RUM, KX-TGA721RUS, KX-TGA721RUT (serv.man2) - Panasonic Telephone Service Manual Supplement (repair manual). Page 3

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KX-TG7225RU/KX-TG7226RU/KX-TGA721RU
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
*a: To enhance the quality.
*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
Suffix Code
Reasons of change
A to B
To enhance the quality. (There is no part change in the parts list.)
B to C
To enhance the quality. (There is no part change in the parts list.)
Suffix Code
Reasons of change
A to B
To enhance the quality. (There is no part change in the parts list.)
Ref. No.
Part No.
Part Name & Description 
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
Base Unit
IC7
C1CB00002589
C1CB00001885
IC (BBIC (FLASH))
1
*c
4
X
---
D13
1SS355
ERJ6GEY0R00
RESISTOR 0
1
*a
1
X
---
D13
ERJ6GEY0R00
----------
RESISTOR 0
0
*c
6
X
---
D14
1SS355
ERJ6GEY0R00
RESISTOR 0
1
*a
1
X
---
D14
ERJ6GEY0R00
----------
RESISTOR 0
0
*c
6
X
---
Handset
IC1
C1CB00002772
C1CB00001831
IC (BBIC (FLASH))
1
*c
4
X
---
Accessories and Packing Materials (KX-TG7226RUS/RUT)
P104
PQPK16030Z
PQPK16030Y
GIFT BOX
1
*c
4
V
---
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