IC111
30
P10
31
P11
85
P71
84
P70
32
P12
33
P13
34
P14
35
P15
36
P16
37
P17
38
P20
39
P21
41
P22
42
P23
43
P24
44
P25
45
P26
46
P27
47
P30
48
P31
49
P32
50
P33
51
P34
52
P35
55
P36
56
P37
57
P40
58
P41
59
P42
60
P43
61
P44
62
P45
63
P46
64
P47
66
P50
67
P51
68
P52
69
P53
70
P54
71
P55
72
P56
73
P57
74
P60
75
P61
76
P62
77
P63
80
P64
81
P65
82
P66
83
P67
20
P0
21
P1
22
P2
23
P3
24
P4
25
P5
26
P6
27
P7
87
P73
86
P72
89
P75
88
P74
92
P77
91
P76
6
D0
7
D1
8
D2
9
D3
10
D4
11
D5
12
D6
13
D7
94
P81
93
P80
96
P83
95
P82
98
P85
97
P84
100
P87
99
P86
5
RD
2
WR
14
A0
16
A1
17
A2
18
A3
19
CS
1
RST
4
VS
S
29
15
54
40
65
90
79
28
VDD
53
78
3
R158 10K
R157 10K
R156 10K
R155 10K
+5V
+5V
Q112
+5V
R159
10K
-5V
MU/A
C155
22000P
+5V
IC116
19
G
18
B
17
16
15
14
13
12
11
9
8
7
6
5
4
3
2
A
1
DIR
IC114
1
A
2
B
7
Y1
9
Y0
3
C
6
5
4
IC123
13
12
5
6
3
4
1
2
R125
100
33
D0N
32
D1N
R126
100
R128
100
31
D2N
R127
100
30
D3N
R130
100
27
D6N
26
D7N
R131
100
29
D4N
R129
100
R132
100
28
D5N
25
A1N
24
A2N
23
A3N
22
A4N
50
RING
49
TIP
34
HWR[1]
CN101
35
HWS[1]
HWS[1]
HWR[1]
TIP
RING
IC117
9
10
8
12
13
11
+5V
13
RD
12
WR
19
A9N
18
A10N
16
A12N
17
A11N
21
A5N
IC123
9
8
20
A6N
5
IOC
SN
IC112
1
A
2
B
14
Y1
15
Y0
3
C
6
G1
4
G2A
5
G2B
12
Y3
13
Y2
10
Y5
11
Y4
7
Y7
9
Y6
SY
C[1]
SY
C[2]
SY
C[3]
SY
C[4]
+5V
9
CHS[2]
8
CHS[3]
7
CHS[4]
+5V
11
CHS[0]
10
CHS[1]
14
C2MN
2MC
1
2
+15V
-15V
3
+5V
C153
50V33
C152
50V33
C151
50V33
4
GND
15
36
37
39
41
43
CN106
9
6
5
22
21
CN104
10
11
12
13
14
15
16
17
CN104
7
8
1
2
3
4
IC123
11
10
IC117
5
6
SRSIN
R160
10K
+5V
CN110
c
d
CN110
a
b
CN111
c
d
CN111
a
b
R8
R7
R6
R5
T5
T6
T7
T8
HWR[1]
HWS[1]
MU/A
SY
C[5]
2MC
SY
C[6]
HWS[1]
2MC
HWR[1]
MU/A
SY
C[7]
HWS[1]
HWR[1]
2MC
MU/A
2MC
HWR[1]
MU/A
HWS[1]
SY
C[8]
CN106
10
11
12
13
14
15
16
17
J151
0
J152
0
J153
0
J154
0
CN106
7
8
1
2
3
4
IC121
1
2
IC121
9
8
CN104
9
6
5
22
21
IC120
8
10
12
2
4
65
3
1
13
11
9
IC122
2
15
12
9
6
5
16
10
9
CLR
11
CLK
18
17
4
7
8
13
14
3
SY
C[5]
SY
C[6]
SY
C[7]
SY
C[8]
IC121
11
10
IC121
5
6
IC121
13
12
R161
C120
DIAL
-4
PD
-3
PD
-4
BELL
-3
BELL
-4
D[0-7]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
A[1-4]
A1
A2
A3
A4
D0N,D1N,D2N,D3N,D4N,D5N,D6N,D7N
D0N
D1N
D3N
D2N
D5N
D7N
D6N
D4N
D0N
D1N
D3N
D2N
D6N
D5N
D4N
D7N
A1
A2
A3
A4
Q111
R154
1W220
R153
1.5K
D154
-5V
C154
50V1
-15V
SFG
FG
SA104
24
31
BELL[1-4],DIAL[1-4],PD[1-4]
CN106
20
19
18
+5V
CN112
1
2
3
4
VCIDA
VCIDB
VCIDC
VCIDD
DIAL
-7
PD
-7
BELL
-7
DIAL
-8
PD
-8
BELL
-8
DIAL
-5
PD
-5
BELL
-6
PD
-6
DIAL
-6
BELL
-5
DIAL
-1
PD
-1
Bell-1
DIAL
-2
PD
-2
BELL
-2
DIAL
-3
VCIDF
VCIDE
VCIDH
CN113
1
2
3
4
VCIDG
D0
D0
D1
D1
D2
D2
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
A1
A2
A3
A4
CN104
20
19
18
+5V
CN105
1
2
3
4
5
6
7
8
T1
R1
T2
R2
T3
R3
T4
R4
T7
T6
R8
T5
T8
R5
CN107
1
2
3
4
5
6
7
8
R6
R7
E
F
G
H
IORN
IOWN
(TO KX
-T
A123293)
4
0
0
0
4
0
4
0
4
0
4
0
4
0
3
0
3.6
0
4
0
4
0
4
0
3.6
3.0
0
4
0
4
0
4
0
Summary of Contents for KX-TA1232
Page 8: ...4 CONNECTION 8 ...
Page 9: ...9 ...
Page 16: ...16 ...
Page 19: ... 2 SYSTEM DIAGRAM OF PCM CLOCK 19 ...
Page 20: ... 3 SYSTEM DIAGRAM OF ANALOG LINE 20 ...
Page 21: ... 4 SYSTEM DIAGRAM OF POWER SUPPLY 21 ...
Page 49: ...49 ...
Page 52: ...52 ...
Page 53: ...9 2 NO DIAL TONE CHECK EXTENSION BOARD 53 ...
Page 54: ...54 ...
Page 55: ...9 3 CANNOT DIAL CHECK EXTENSION BOARD 55 ...
Page 56: ...9 4 CANNOT ACCESS AN EXTENSION CHECK EXTENSION BOARD POWER SUPPLY UNIT AND CPU BOARD 56 ...
Page 57: ...9 5 CANNOT SEND A HOLD TONE CHECK CPU BOARD 9 5 1 HOLD TONE TO COL 57 ...
Page 61: ...9 10 EXTENSION IS NOT RINGING WHILE BEING CALLED FROM A CO LINE CHECK CO BOARD 61 ...
Page 62: ...10 DIAGNOSTIC METHOD 10 1 HOW TO GET INTO SELF DIAGNOSTIC MODE 62 ...
Page 63: ...10 2 TEST ITEMS 63 ...
Page 67: ...67 ...
Page 68: ...68 ...
Page 69: ...69 ...
Page 70: ...70 ...
Page 71: ...13 EXTENSION CABLE FOR SERVICING KX TA1232 71 ...
Page 72: ...72 ...
Page 73: ...14 CABINET AND ELECTRICAL PARTS LOCATION KX TA1232 73 ...
Page 74: ...74 ...
Page 75: ...75 ...
Page 76: ...14 1 ACTUAL SIZE OF SCREWS AND WASHER 76 ...
Page 77: ...77 ...
Page 78: ...15 ACCESSORIES AND PACKING MATERIALS KX TA1232 78 ...
Page 79: ...16 REPLACEMENT PARTS LIST KX TA1232 Note 79 ...
Page 130: ...18 CABINET AND ELECTRICAL PARTS LOCATION KX TA123260 130 ...
Page 131: ...19 ACCESSORIES AND PACKING MATERIALS KX TA123260 131 ...
Page 141: ...22 CABINET AND ELECTRICAL PARTS LOCATION KX TA123270 141 ...
Page 142: ...23 ACCESSORIES AND PACKING MATERIALS KX TA123270 142 ...
Page 164: ...25 3 HOW TO REMOVE THE MAIN BOARD Procedure 25 1 25 2 25 3 1 Remove the Main Board 164 ...
Page 165: ...26 CABINET AND ELECTRICAL PARTS LOCATION KX TA123280 165 ...
Page 166: ...27 ACCESSORIES AND PACKING MATERIALS KX TA123280 166 ...