KX-TG7341UAM, KX-TG7341UAT, KX-TGA731RUM, KX-TGA731RUT, KX-TGA731RUC, KX-TGA731RUS (serv.man5) - Panasonic Telephone Service Manual Supplement (repair manual). Page 2

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KX-TG7341UAM/KX-TG7341UAT/KX-TGA731RUM/KX-TGA731RUT/KX-TGA731RUC/KX-TGA731RUS
1 REPLACEMENT PARTS LIST
1.1.
REFERENCE CHART
1.2.
ORIGINAL AND NEW PARTS COMPARISON LISTS
Change of the Suffix Code 
Base unit (KX-TG7341UAM/KX-TG7341UAT)
Serial No.Label tells you the suffix code as follows.
K.T.
KXTG7341UAM
KXTG7341UAT
KXTGA731RUM
KXTGA731RUT
KXTGA731RUC
KXTGA731RUS
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
Note:
Parts with (*1) marking have been changed at the same time.
Remarks:
*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
Suffix Code
Reasons of change
A to B
Revised QP for Base Unit EEPROM data file version. There is no change in the replacement parts list.
B to C
To keep a margin for EMC standard.
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)
L102
----------
ECJ0EC1H0R5C
COIL
(*1)
1
*c
5
Y
B to C
C101
ECUE1H150JCQ
ECUE1H1R5CCQ
CAPACITOR: 1.5pF
(*1)
1
*c
1
Y
B to C
C102
ECUE1H100CCQ 
G1C1N8Z00006
CAPACITOR: 0.0018
µF
(*1)
1
*c
1
Y
B to C
C103
----------
ECJ0EC1H0R5C
CAPACITOR: 0.5pF
(*1)
1
*c
5
Y
B to C
C108
----------
ERJ2GE0R00
CAPACITOR: 0F
(*1)
1
*c
5
Y
B to C
X1
H0J103500032
H0J103500027
CRYSTAL OSCILLATOR
1
*m
8
Y
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