Schematic Diagram (Operation) - Panasonic KX-TS2388RUB Service Manual

Integrated telephone equipment
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KX-TS2388RUB/KX-TS2388RUW/KX-TS2388CAB/KX-TS2388CAW/KX-TS2388UAB/KX-TS2388UAW

11.3. Schematic Diagram (Operation)

STB4
SEG 4
STB5
SEG 5
STB6
SEG 6
STB7
SEG 7
SEG 8
SEG 9
SEG1 0
SEG1 1
SEG1 2
SEG1 3
SEG1 4
SEG1 5
SEG1 6
SEG1 7
SEG1 8
SEG1 9
SEG2 0
SEG2 1
SEG2 2
SEG2 3
SEG2 4
SEG2 5
SEG2 6
SEG2 7
SEG2 8
SEG2 9
LCD Heatsea l
Carbon Contac t
1
NC1
2
NC2
3
NC3
4
SEG 4
5
SEG 5
6
SEG 6
7
SEG 7
8
SEG 8
9
SEG 9
10
SEG10
11
SEG11
12
SEG12
13
SEG13
14
SEG14
15
IC801
SEG15
16
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 0.1 U
96
NC18
95
NC17
94
NC16
93
RINGIN
92
TIPI N
91
DTMFO
90
AVSS
89
DAC2
88
IOA 0
87
IOA 1
86
IOA 2
85
IOA 3
84
IOA 4
83
IOA 5
82
IOA 6
81
IOA 7
80
IOB 0
79
IOB 1
78
IOB 2
77
IOB 3
76
IOB 4
75
IOB 5
74
IOB 6
73
IOB 7
72
IOC0_SEG47
71
IOC1_SEG46
70
IOC2_SEG45
69
IOC3_SEG44
68
IOC4_RDRC
67
NC15
66
NC14
65
NC13
RCLIP_CONT
X1
32.768 k
PROG/EXIT
CLEAR
1
2
1
STB7
D88 5
STB7
DIALLOCK/HOLD
REDIAL
1
2
1
STB6
D88 6
STB6
1
1
2
1
STB5
D88 7
STB5
4
1
2
1
STB4
D88 8
STB4
7
1
2
1
STB3
D88 9
STB3
*
1
2
1
STB2
D89 0
STB2
FLASH/AOH
MUTE
1
2
1
STB1
D89 1
STB1
VOL-
LEFT
1
2
1
STB0
D89 2
STB0
TP84
32
*R858
*R859
68k
R875
0
BEEP/DRING
INUSE/EXHOOK
KEYIN 1
KEYIN 2
KEYIN 3
KEYIN 4
KEYIN 5
HOOKSW
R833
100k
STOP
ACKMUTE
TXMUTE
RXMUTE
EEPROM_SC L
EEPROM_SD A
EEPROM_WP
TONEIN
PULSE
WAKEUP
SEG4 6
SEG4 5
SEG4 4
BACKUP
JP802
0
AUTO/LOWER
M1
2
1
2
1
2
PAUSE
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)
NC
*C858
NC
(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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