KX-TE82461X, KX-TE82474X, KX-TE82480X, KX-TE82483X, KX-TE82491X, KX-TE82492X, KX-TE82493X, KX-A227X - Panasonic PBX Service Manual Supplement (repair manual). Page 5

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5
KX-TE82483X
KX-TE82491X
2.3.
SCHEMATIC DIAGRAM (KX-TE82474X)
2.3.1.
No.1-2
Change from the Original Service Manual Section 24.13.1 and 24.13.2
Note:
* indicates A, B, C, D, E, F, G and H. 
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 

MAIN BOARD PARTS
T200A  to 
T200H
ETA14Y85AY
G4AYA0000033
TRANSFORMER
8
*1
8
Y
C
C212A  to
C212H
----------
ECUV0J225KBV
CAPACITOR, 2.2
F 8
*1
8
Y
C
D3A to D3C
B0EDKT000001
B0EDKT000007
DIODE(SI)
3
*1
8
Y
C
R223A  to
R223H
----------
ERJ3GEYJ183
RESISTOR, 18k

8
*1
8
Y
C
R226A  to
R226H
----------
ERJ3GEYJ681
RESISTOR, 680

8
*1
8
Y
C
PC5A  to 
PC5C
CNC2S5020LL1
B3PBB0000039
PHOTO COUPLER
3
*1
8
W
C
ZNR2A  to 
ZNR2C
D4EAB820A005
D4EAB390A005
VARISTOR
3
8
Y
Q1A  to Q1C
2SC4731S
DSC8102R0A
TRANSISTOR(SI)
3
8
V
Ref. No.
Part No.
Part Name & Description
Pcs
Remarks
Notes
Time of change 
(Suffix)
Original (Old)
New 

MAIN BOARD PARTS
IC1
C3FBKC000152
C3FBKY000112
IC
1
8
V
E
0.039u
C206*
33k
R210*
15k
R209*
56k
R208*
VAG
D203*
D202*
4*
TP215*
TP218*
TP217*
T200*
1
3
4
5
TP202*
U20
2
AG
AG
AG
EXT[1]
0.039u
680
2.2u
C206*
R226*
C212*
W
A
33k
R210*
18k
R223*
15k
R209*
56k
R208*
VAG
D203*
D202*
14*
TP215*
TP218*
TP217*
T200*
1
3
4
5
TP202*
U2
2
AG
AG
AG
EXT[1]
C
hanged
C212*, R223*, 
R226* Addition
A
ddition

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