KX-TS2388RUB, KX-TS2388RUW, KX-TS2388CAB, KX-TS2388CAW, KX-TS2388UAB, KX-TS2388UAW - Panasonic Telephone Service Manual (repair manual). Page 32

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32
KX-TS2388RUB/KX-TS2388RUW/KX-TS2388CAB/KX-TS2388CAW/KX-TS2388UAB/KX-TS2388UAW
11.3. Schematic Diagram (Operation)
STB7
STB6
STB5
STB4
STB3
STB2
STB1
STB0
STB4
STB5
STB6
STB7
STB
3
STB
2
STB
1
STB
0
X1
32.768 k
5
1
2
#
1
2
2
1
2
8
1
2
0
1
2
3
1
2
1
1
2
7
1
2
*
1
2
9
1
2
4
1
2
DIALLOCK/HOLD
1
2
SP-PHONE/HEADSET
1
2
M6
1
2
PAUSE
1
2
M2
1
2
M7
1
2
PROG/EXIT
1
2
M8
1
2
M3
1
2
FLASH/AOH
1
2
M4
1
2
CLEAR
1
2
M5
1
2
REDIAL
1
2
AUTO/LOWER
1
2
6
1
2
MUTE
1
2
M1
1
2
OK
1
2
VOL-
1
2
LEFT
1
2
VOL+
1
2
RIGHT
1
2
IC801
7
SEG 7
8
SEG 8
9
SEG 9
10
SEG10
11
SEG11
12
SEG12
13
SEG13
14
SEG14
15
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
33
NC
7
34
NC
8
35
NC
9
36
SEG
3
0
37
SEG3
1
38
SEG3
2
39
SEG3
3
40
SEG3
4
41
SEG
3
5
42
SEG3
6
43
IOD7_SEG
37
44
IOD6_SEG3
8
45
IOD5_SEG
3
9
46
LV
D
D
1
47
VD
D
48
EXTCLK_
XI
49
R
OSC_X
O
50
RESE
T
51
X32
I
52
X32
O
53
VS
S
54
IOD4_ITX_SEG4
0
55
IOD3_IRX_SEG
4
1
56
IOD2_URX_SEG
42
57
IOD1_UTX_SEG4
3
58
IOD
0
59
IOC7_BA
T
DE
T
60
IO
C6
61
IOC5_RDI
N
62
NC1
0
63
NC1
1
64
NC1
2
65
NC13
66
NC14
67
NC15
68
IOC4_RDRC
69
IOC3_SEG44
70
IOC2_SEG45
71
IOC1_SEG46
72
IOC0_SEG47
73
IOB 7
74
IOB 6
75
IOB 5
76
IOB 4
77
IOB 3
78
IOB 2
79
IOB 1
80
IOB 0
81
IOA 7
82
IOA 6
83
IOA 5
84
IOA 4
85
IOA 3
86
IOA 2
87
IOA 1
88
IOA 0
89
DAC2
90
AVSS
91
DTMFO
92
TIPI N
93
RINGIN
94
NC16
95
NC17
96
NC18
97
NC1
9
98
NC
20
99
NC2
1
10
0
GS
10
1
PGA
IN
10
2
PGAIN
2
10
3
VR
2
10
4
AV
D
D
10
5
LV
D
D
2
10
6
COM
0
10
7
CO
M
1
10
8
COM
2
10
9
COM
3
11
0
COM
4
11
1
COM
5
11
2
CO
M
6
11
3
COM
7
11
4
COM
8
11
5
COM
9
11
6
COM1
0
11
7
COM
1
1
11
8
COM1
2
11
9
COM1
3
12
0
COM
1
4
12
1
COM1
5
12
2
SEG
0
12
3
SEG
1
12
4
SEG
2
12
5
SE
G
3
12
6
NC2
2
12
7
NC2
3
12
8
NC2
4
1
NC1
2
NC2
3
NC3
4
SEG 4
5
SEG 5
6
SEG 6
M9
1
2
M10
1
2
C88
5
47
p
C88
4
47
p
C88
3
47
p
C88
2
47
p
C80
3
15
P
C80
2
22
P
C80
1
100
P
C81
2
0.1
u
*C858
NC
*C857 0.1 U
*C85
6
0.1
u
C85
5
1000
p
C80
4
0.1
u
C80
6
0.1
u
C81
0
0.1
u
C88
1
47
p
C80
9
10
u
C80
8
10
u
C80
7
10
u
R80
1
39
k
R80
2
1
0
*R858
NC
*R86
0
3.3
K
*R859
68k
R83
1
10
k
R832
100k
R833
100k
R813
47K
R875
0
*R87
6
NC
JP802
0
SEG3
0
SEG3
1
SEG3
2
SEG3
3
SEG3
4
SEG3
5
SEG3
6
SEG3
7
SEG3
8
SEG3
9
SEG4
0
SEG4
1
SEG4
2
SEG4
3
COM
1
SEG
3
SEG
2
SEG
1
SEG4 6
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
COM1
3
COM1
4
COM1
5
SEG
0
SEG4 4
SEG4 5
SEG 4
SEG 5
SEG 6
SEG 7
TP84
TP85
TP86
TP87
COM1
2
COM1
1
COM1
0
COM
9
COM
8
COM
7
COM
6
COM
5
COM
4
COM
3
TP83
1
TP85
5
COM
2
TP88
COM
0
STB4
STB3
STB2
STB1
STB0
STB5
STB6
STB7
D88 5
D88 7
D88 8
D88 9
D89 0
D89 1
D89 2
D88 6
Q83
3
C80
5
100
u
6.3
V
JP80
1
NC
BACKUP
INUSE/EXHOOK
KEYIN 1
KEYIN 2
KEYIN 5
KEYIN 3
KEYIN 4
STOP
HOOKSW
ACKMUTE
RXMUTE
EEPROM_SC L
TXMUTE
EEPROM_SD A
EEPROM_WP
TONEI N
PULSE
WAKEUP
BEEP/DRING
LCD Heatsea l
Carbon Contac t
RCLIP_CONT
BA
TT
OUT
BA
TTLO
W
CID
W
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
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