Read Panasonic KX-TG7227UAJ / KX-TG7227UAM / KX-TG7227UAS / KX-TG7227UAT / KX-TG7228UAS / KX-TG7228UAT / KX-TGA721RUM / KX-TGA721RUS / KX-TGA721RUT / KX-TGA721UAJ / KX-TGA721UAM / KX-TGA721UAS / KX-TGA721UAT (serv.man2) Service Manual Supplement online
ORDER NO. KM40803515SE
Telephone Equipment
Model No.
KX-TG7227UAJ
KX-TG7227UAM
KX-TG7227UAS
KX-TG7227UAT
KX-TG7228UAS
KX-TG7228UAT
KX-TGA721RUM
KX-TGA721RUS
KX-TGA721RUT
KX-TGA721UAJ
KX-TGA721UAM
KX-TGA721UAS
KX-TGA721UAT
KX-TG7227UAM
KX-TG7227UAS
KX-TG7227UAT
KX-TG7228UAS
KX-TG7228UAT
KX-TGA721RUM
KX-TGA721RUS
KX-TGA721RUT
KX-TGA721UAJ
KX-TGA721UAM
KX-TGA721UAS
KX-TGA721UAT
Digital Cordless Answering System
Ivory Version
Metic Gray Version
Silver Version
Titanium Black Version
Metic Gray Version
Silver Version
Titanium Black Version
(for Ukraine)
Please file and use this supplement manual together with the service manual for Model No.KX-
TG7227UAJ/KX-TG7227UAM/KX-TG7227UAS/KX-TG7227UAT/KX-TG7228UAS/KX-TG7228UAT/
KX-TGA721RUM/KX-TGA721RUS/KX-TGA721RUT/KX-TGA721UAJ/KX-TGA721UAM/KX-TGA721UAS/
KX-TGA721UAT, Order No.KM40707360CE.
TG7227UAJ/KX-TG7227UAM/KX-TG7227UAS/KX-TG7227UAT/KX-TG7228UAS/KX-TG7228UAT/
KX-TGA721RUM/KX-TGA721RUS/KX-TGA721RUT/KX-TGA721UAJ/KX-TGA721UAM/KX-TGA721UAS/
KX-TGA721UAT, Order No.KM40707360CE.
2
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
TABLE OF CONTENTS
PAGE
1 REPLACEMENT PARTS LIST ---------------------------------3
1.1. REFERENCE CHART ------------------------------------3
1.2. ORIGINAL AND NEW PARTS COMPARISON
1.2. ORIGINAL AND NEW PARTS COMPARISON
LISTS----------------------------------------------------------3
2 DELETIONS ---------------------------------------------------------5
2.1. Things to Do after Replacing IC or X'tal --------------5
2.2. Terminal Guide of the ICs, Transistors and
2.2. Terminal Guide of the ICs, Transistors and
Diodes---------------------------------------------------------7
3
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
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
*a: To enhance the quality.
*c: To share the parts with other models.
*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
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
IC7
C1CB00002589
----------
IC (BBIC(QFP))
0
*c
6
-
---
IC7
PQLP10307Z
----------
IC (BBIC(COB))
0
*c
6
-
---
D13
1SS355
ERJ6GEY0R00
RESISTOR 0
Ω
1
*a
1
X
---
D13
ERJ6GEY0R00
----------
RESISTOR 0
Ω
0
*c
6
X
---
D14
1SS355
ERJ6GEY0R00
RESISTOR 0
Ω
1
*a
1
X
---
D14
ERJ6GEY0R00
----------
RESISTOR 0
Ω
0
*c
6
X
---
Handset
IC1
IC1
C1CB00002772
----------
IC (BBIC(QFP))
0
*c
6
-
---
IC1
PQLP10303Z
----------
IC (BBIC(COB))
0
*c
6
-
---
Accessories and Packing Materials (KX-TG7228UAS/UAT)
4
KX-TG7227UA/KX-TG7228UA/KX-TGA721RU/KX-TGA721UA
P104
PQPK16031Z
PQPK16031Y
GIFT BOX
1
*c
4
V
---
Ref. No.
Part No.
Part Name & Description
Pcs/
Set
Remarks
Notes
Time of Change
Original (Old)
New
(Suffix)
