KX-TG1311UAA, KX-TG1311UAH, KX-TG1311UAL, KX-TG1311UAV, KX-TG1312UA2, KX-TG1312UA3, KX-TG1312UA4, KX-TG1313UA3, KX-TG1313UA4, KX-TGA131RUA, KX-TGA131RUH, KX-TGA131RUL, KX-TGA131RUP, KX-TGA131RUV (serv.man2) - Panasonic Telephone Service Manual Supplement (repair manual). Page 3

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KX-TG1311UA/KX-TG1312UA/KX-TG1313UA/KX-TGA131RU
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Change of the Suffix Code
Serial No.Label tells you the suffix code as follows 
K.T.
KXTG1311UAA
KXTG1311UAH
KXTG1311UAL
KXTG1311UAV
KXTG1312UA2
KXTG1312UA3
KXTG1312UA4
KXTG1313UA3
KXTG1313UA4
KXTGA131RUA
KXTGA131RUH
KXTGA131RUL
KXTGA131RUP
KXTGA131RUV
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
Remark: 
*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 share the parts with other models.
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)
IC3
PNLP1019Z
PNLP1019Y
IC (COB)
1
*c
4
Y
A to B
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