CN1
42
HWS[6]
41
HWR[6]
IC42
5
6
4
IC42
9
8
10
IC42
12
11
13
R53
10
IC37
9
10
8
IC37
12
13
11
IC37
4
5
6
IC37
1
2
3
R55
1K
+5B
IC67
4
5
6
IC67
1
2
3
IC67
9
10
8
IC67
12
13
11
R54
1K
+5B
C113
0.022
C101
0.022
+5B
R18
120
R19
120
IC104
1
2
18
C4M
10
CHS4
+5B
IC104
3
4
IC104
5
6
25
A10N
IC104
9
8
IC102
3
4
IC102
5
6
23
A12N
9
IOCSN
26
A9N
24
A11N
+5B
IC102
11
10
IC102
9
8
27
A4N
28
A3N
IC102
13
12
30
A1N
IC103
1
2
29
A2N
IC103
3
4
IC103
5
6
7
IOWN
8
IORN
IC103
9
8
17
CPUCKN
R107
120
C141
No Mounted
R108
100
R109
100
R110
100
R111
100
R112
100
R113
100
R114
100
R115
100
IC105
1
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
19
EC
20
11
B8
12
B7
13
B6
14
B5
15
B4
16
B3
17
B2
18
B1
38
D0N
37
D1N
36
D2N
35
D3N
34
D4N
33
D5N
32
D6N
31
D7N
C102
0.1
C107
1000P
IC103
13
12
6
SRSTN
R116
33K
IC109
1
IN
2
OUT
3
GND
C104
0.1
C103
0.1
+5B
39
20
3
2
4
1
GND
15
16
40
44
43
45
+5V
46
C79
50V10
D4
D5
Q1
JMP2
C82
0.47F
+5B
+5V
Q2
48
47
-15V
-5V
R1
1K
R38
1W
R23
1.5K
C77
16V100
D6
+5B
+5B
R17
82
IC76
3
4
IC76
1
2
X1
8MHZ
R16
1M
C73 15P
C74
15P
C108
0.1
R119
22K
D1
+5B
IC103
11
10
FL2
No Mounted
R21
120
IC113
2
A12
3
A7
4
A6
5
A5
6
A4
7
A3
8
A2
9
A1
10
A0
11
DO0
12
DO1
13
DO2
14
GND
15
DO3
16
DO4
17
DO5
18
DO6
19
DO7
20
CE1
21
A10
27
WE
23
A11
24
A9
25
A8
26
A13
1
A14
28
VDD
22
OE
C112
0.1
+5R
IC54
8
A7
7
A6
6
A5
5
A4
4
A3
3
A2
2
A1
1
A0
28
VCCD
16
VCCA
19
AGC
12
VSSD
13
VSSA
14
SP+
23
CE
24
PD
10
A9
9
A8
27
P/R
25
EOM
22
OVF
26
XCLK
15
SP-
11
AUXIN
20
ANAIN
21
ANAOUT
18
MICREF
17
MIC
+5B
C59
22
C57 0.1
C58 0.1
R27
No Mounted
R28 4.7K
C60
0.1
J6
No Mounted
C61
No Mounted
C62
No Mounted
R29 470K
C63 4.7
C52
22
C56 4.7
C51 0.1
C50 0.1
C53
0.1
R25 4.7K
IC53
8
A7
7
A6
6
A5
5
A4
4
A3
3
A2
2
A1
1
A0
28
VCCD
16
VCCA
19
AGC
12
VSSD
13
VSSA
14
SP+
23
CE
24
PD
10
A9
9
A8
27
P/R
25
EOM
22
OVF
26
XCLK
15
SP-
11
AUXIN
20
ANAIN
21
ANAOUT
18
MICREF
17
MIC
R26 470K
IC70
7
6
5
8
4
+5B
-5
R48 33K
C132
1000P
R47
2.2K
C86
0.1
R41
4.7K
C85
0.0033
R40
1.8K
R39
10K
Q7
Q8
R42
4.7K
+5B
R43
330K
C88
22
µ
D23
R44
2.2K
IC70
3
2
1
R45
47K
R46
22K
No Mounted
C142
IC101
4
5
6
IC101
1
2
3
J3
No Mounted
J1
J2
C40
39P
D14
+5R
JMP1
D28
D21
BAT1
IC104
14
7
C140
0.022
+5B
IC103
14
7
C139
0.022
+5B
C138
0.022
IC102
14
7
+5B
C137
0.022
+5B
IC42
14
7
+5B
IC67
14
7
C136
0.022
+5B
IC37
14
7
C135
0.022
IC75
14
7
+5B
C134
0.022
IC75
Q
5
Q
6
CLK
3
D
2
PR
4
1
CL
+5B
+5B
+5B
IC74
Q
9
Q
8
CLK
11
D
12
PR
10
13
CL
+5B
IC74
Q
5
Q
6
CLK
3
D
2
PR
4
1
CL
+5B
+5B
R20
120
IC77
3
4
IC77
1
2
X2
7.6MHZ
R35
1M
C75 15P
C76 15P
R22
120
R103
82
FL1
No Mounted
+5B
50
49
+15V
D2
3.0V
C78
50V10
+12V
IC42
2
3
1
IC106
MRO
61
#FHO
84
C2M
87
#CPP1
86
#CPP2
85
GND
4
VDD
14
VDD
41
VDD
91
EA5
26
GND
15
GND
40
GND
42
GND
66
GND
90
#MRI
83
C4MN
88
CHS4I
1
EA4
25
EA3
24
EA2
23
EA1
22
EA0
21
SLOTI
28
SLOTO
27
ACPR3
20
ACPR2
19
ACPR1
18
ACPR0
12
IOW
13
IOR
16
CPRCK
17
MODE
30
DCPR0
3
DCPR1
5
DCPR2
6
DCPR3
7
DCPR4
8
DCPR5
9
DCPR6
10
DCPR7
11
#ROY
2
#RSTI
89
RSTI
92
CP0
78
CP1
77
CP2
76
CP3
75
CP4
74
CP5
73
CP6
72
CP7
71
CP8
70
#CHS0
79
#CHS1
80
#CHS2
81
#CHS3
82
ALPR0
50
ALPR1
51
ALPR2
29
ALPR9
52
ALPR10
53
ALPR11
54
ALPR12
55
ALPR13
56
ALPR14
57
ALPR15
58
DLPR0
39
DLPR1
43
DLPR2
44
DLPR3
45
DLPR4
46
DLPR5
47
DLPR6
48
DLPR7
49
#CS1
69
#CS2
68
#CS3
64
#CS4
63
#CS5
62
OP0
31
OP1
32
OP2
33
OP3
34
OP4
35
OP5
36
OP6
37
OP7
38
IP0
93
IP1
94
IP2
95
IP3
96
IP4
97
IP5
98
IP6
99
IP7
100
#WRL
65
#RDL
67
#RSTO
59
RSTO
60
R36
1K
R37 1K
R33
10K
R34
No Mounted
C87
0.47
C84
0.47
R149
56
R150
56
R152
56
R151
56
R153
56
R154
56
R155
56
R156
56
R146
56
R145
56
R144
56
R121
56
R125
56
R120
56
R123
56
R127
56
R126
56
R122
56
R124
56
R129
56
R133
56
R128
56
R131
56
R135
56
R134
56
R130
56
R132
56
R141
56
R137
56
R136
56
R139
56
R143
56
R142
56
R138
56
R140
56
R147
56
R148
56
IC110
IRQ1
17
P20
9
P21
10
P22
11
P23
12
P24
13
P25
14
P26
15
A0
50
A1
49
A2
48
A3
47
A4
46
A5
45
A6
44
A7
43
A10
39
A11
38
A12
37
A13
36
A14
35
A15
34
R/W
61
PS2
19
RES
6
RD
63
WR
62
D0
58
D1
57
D2
56
D3
55
D4
54
D5
53
D6
52
D7
51
P60
25
P61
26
P62
27
P63
28
P64
29
P65
30
P66
31
P67
32
BA
59
NM1
8
MP1
5
MP0
4
STBY
7
VCC
33
VSS
1
VSS
42
HALT
20
XTAL
2
EXTAL
3
A8
41
A9
40
P54
21
P55
22
P56
23
P57
24
E
64
P76
16
PS1
18
C90
0.1
C89
0.1
+5B
+5V
C54
No Mounted
C55
No Mounted
J5
No Mounted
R24
No Mounted
OGM[0,1],DTMF[0,1],PATD[0,1],PATU[0,1]
CP[16-19]
PATU[0]
PATU[1]
PATU[0]
PATU[1]
PATD[0]
PATD[1]
PATD[0]
PATD[1]
DTMF[0]
DTMF[1]
DTMF[0]
DTMF[1]
OGM[0]
OGM[1]
OGM[0]
OGM[1]
CP[16]
CP[17]
CP[18]
CP[19]
CP[16]
CP[17]
CP[18]
CP[19]
CP[16]
CP[17]
CP[18]
CP[19]
LA[0-9]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
LA[8]
LA[9]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
LA[8]
LA[9]
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[0-15]
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
A[0]
A[1]
A[2]
A[9]
A[10]
A[11]
A[12]
A[13]
A[14]
A[15]
DETA[0,1],DETB[0,1]
DETA[0]
DETB[0]
DETA[1]
DETB[1]
#CS[1,4,5]
#CS[1]
#CS[4]
#CS[5]
A[13]
A[14]
#CS[4]
E
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
A[13]
A[14]
A[15]
LA[8]
LA[9]
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
Auto Gain Control CIRCUIT
RECORD/PLAY IC
RECORD/PLAY IC
(AGC CIRCUIT)
5V
0V
5V
0V
5V
0V
NORMAL :H
RESET :L
NORMAL :H
RESET :L
NORMAL :L
RESET :H
H
:FLOW OF VOICE DATA WHEN PLAYING
:FLOW OF VOICE DATA WHEN REC.
5V
0V
0V
5V
0V
5V
5V
0V
5V
4M
5V
0V
8K
5V
0V
0V
8MHz
KX-
TA123
2
156
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 ...