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12
KX-NT303X / KX-NT303X-B
9 Schematic Diagram
9.1.
Main Board
Q4
1
6
2
5
3
4
Q5
1
6
2
5
3
4
DG
DG
D3.3V
D3.3V
D3.3V
DG
R6
270
R4
270
R2
270
Q3
1
2
3
4
5
Q1
1
2
3
4
5
Q2
1
2
3
4
5
LED9
CO9
1
2
3
4
LED10
CO10
1
2
3
4
LED11
CO11
1
2
3
4
LED12
CO12
1
2
3
4
LED5
CO5
1
2
3
4
LED6
CO6
1
2
3
4
LED7
CO7
1
2
3
4
LED8
CO8
1
2
3
4
LED3
CO3
1
2
3
4
LED4
CO4
1
2
3
4
LED2
CO2
1
2
3
4
LED1
CO1
1
2
3
4
RA1
1k
1
2
3
4
2
3
4
6
7
8
SW5
CO5
SW9
CO9
SW10
CO10
SW11
CO11
SW12
CO12
SW2
CO2
SW3
CO3
SW1
CO1
SW4
CO4
SW7
CO7
SW8
CO8
SW6
CO6
R5
68
R3
68
R1
68
LED-K6
LED-K5
LED-K4
LED-K3
LED-K2
LED-K1
LED-C1
KEY-IN1
KEY-IN3
KEY-IN2
LED-C2
LED-C3
LED-C4
R
G
G
R
G
R
G
R
R
G
G
R
G
R
G
R
G
R
G
R
G
R
G
R
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
5
KX-NT303X / KX-NT303X-B : MAIN BOARD (1/2)
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