KX-TG5511RUB, KX-TG5511RUC, KX-TG5511RUJ, KX-TG5511RUW, KX-TGA550RUB, KX-TGA550RUC, KX-TGA550RUJ, KX-TGA550RUW, KX-TGA551RUB, KX-TGA551RUC, KX-TGA551RUJ, KX-TGA551RUW, KX-TG5511RUR (serv.man2) - Panasonic Telephone Service Manual Supplement (repair manual). Page 3

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KX-TG5511RU/KX-TGA550RU/KX-TGA551RU
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
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
*m : Discontinued (To be replaced with a new part)
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)
D10
MA8033
B0BC3R4A0006
DIODE(SI)
1
*m
8
V
---
Main P.C.Board Parts (Handset)
MIC100
L0CBAY000032
L0CBAY000053
MICROPHONE
1
*c
1
V
---
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