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LINE 2
2.4V
1.0V
0.4V
LINE 2 output
LINE 1
2.2V
1.2V
0.6V
LINE 1 output
IC601 DC voltage (SP-PHONE ON)
No. Voltage
No. Voltage
No. Voltage
No. Voltage
1
2.1
7
2.8
13
2.7
19
0.5
2
2.1
8
2.8
14
2.8
20
0
3
1.5
9
2.8
15
0
21
5.3
4
2.2
10
2.7
16
3.0
22
2.8
5
2.8
11
2.5
17
7.9
23
0
6
2.7
12
0.1
18
1.8
24
?
3.6V
0V
0V
0.5V
1.1V
0V
SP-PHONE: ON
IC601
0V
0V
0V
2.1V
0.8V
0.2V
!
4.4V
0V
5.2V
4.4V
3.7V
2.7V
1.3V
0V
0V
0.6V
!
5.2V
0V
4.6V
3.1
5.2V
1.0
0V
0V
0.4
No. Voltage
25
2.3
26
5.2
27
0
28
2.2
29
1.5
30
2.1
LINE 2: ON
0V
0V
0.2V
(2.8~3.0)V
3.0V
0.7V
7.3V
6.2V
5.6V
0V
(5.0~5.3)
5.1V 5.5V 5.1V
5.7V
5.0V
5.0V
5.3V
5.3V
IC303
0/5.0V OFF
4.9V
0V
0V
KX-TC1085BXB: SCHEMATIC DIAGRAM (BASE UNIT)
7.3V
7.5V
6.8V
6.9V
0.7V
0V
5.2V
0.7V
5.2V 4.0V
0.4V
1.9V
0V
0.7V
0.7V
0.5V
0.7V
0V
0V
0V
0V
5.1V
IC301
5.8V
8.0V
6.4V
(6.2~6.6)V
0V
12.6V
0V
Charging
10.2V
1.6V
1.0V
0.6V
0V
LINE 1: ON
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