Schematic Diagram (Operation) - Panasonic KX-TS880MXB Service Manual

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KX-TS880MXB/KX-TS880MXW

11.3. Schematic Diagram (Operation)

STB4
SEG4
STB5
SEG5
STB6
SEG6
STB7
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
LCD Heatseal
Carbon Contact
1
NC1
2
NC2
3
NC3
4
SEG4
5
SEG5
6
SEG6
7
SEG7
8
SEG8
9
SEG9
10
SEG10
11
SEG11
12
SEG12
13
SEG13
14
SEG14
15
SEG15
16
*IC801
SEG16
17
SEG17
18
SEG18
19
SEG19
20
SEG20
21
SEG21
22
SEG22
23
SEG23
24
SEG24
25
SEG25
26
SEG26
27
SEG27
28
SEG28
29
SEG29
30
NC4
31
NC5
32
NC6
*C857 0
96
NC18
95
NC17
94
NC16
93
RINGIN
92
TIPIN
91
DTMFO
90
AVSS
89
DAC2
88
IOA0
87
IOA1
86
IOA2
85
IOA3
84
IOA4
83
IOA5
82
IOA6
81
IOA7
80
IOB0
79
IOB1
78
IOB2
77
IOB3
76
IOB4
75
IOB5
74
IOB6
73
IOB7
72
IOC0_SEG47
71
IOC1_SEG46
70
IOC2_SEG45
69
IOC3_SEG44
68
IOC4_RDRC
67
NC15
66
NC14
65
NC13
RCLIP_CONT
X1
32.768k
PROG/EXIT
CLEAR
1
2
1
STB7
D885
STB7
DIALLOCK/HOLD
REDIAL
1
2
1
STB6
D886
STB6
1
1
2
1
STB5
D887
STB5
4
1
2
1
STB4
D888
STB4
7
1
2
1
STB3
D889
STB3
*
1
2
1
STB2
D890
STB2
FLASH/AOH
MUTE
1
2
1
STB1
D891
STB1
VOL-
LEFT
1
2
1
STB0
D892
STB0
TP84
32
*R858
*R859
NC
R875
0
BEEP/DRING
INUSE/EXHOOK
KEYIN1
KEYIN2
KEYIN3
KEYIN4
KEYIN5
HOOKSW
R833
100k
STOP
ACKMUTE
TXMUTE
RXMUTE
EEPROM_SCL
EEPROM_SDA
EEPROM_WP
TONEIN
PULSE
WAKEUP
SEG46
SEG45
SEG44
BACKUP
JP802
0
AUTO/LOWE R
M1
2
1
2
1
2
PAUS E
M2
2
1
2
1
2
2
3
M3
2
1
2
1
2
5
6
M4
2
1
2
1
2
8
9
M5
M9
2
1
2
1
2
1
2
0
#
M6
M10
2
1
2
1
2
1
2
SP-PHONE/HEADSET
M7
OK
2
1
2
1
2
1
2
VOL+
RIGHT
M8
2
2
1
1
2
1
2
TP85
TP86
TP87
TP88
(1)
*C858
0.1u
0
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
R832
(17)
100k
(18)
(19)
(20)
(21)
(22)
R813
47K
(23)
(24)
(25)
(26)
(27)
(28)
(29)

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