Panasonic KX-TA1232 Service Manual page 207

HWSB
HWRB
BELL[1-8]
HOOK[1-8]
DR1A,DR2A,DR3A,DR4A,DR5A,DR6A,DR7A,DR8A
DR1B,DR2B,DR3B,DR4B,DR5B,DR6B,DR7B,DR8B
DT1A,DT2A,DT3A,DT4A,DT5A,DT6A,DT7A,DT8A
DT1B,DT2B,DT3B,DT4B,DT5B,DT6B,DT7B,DT8B
PD[1-8]
SYC[1-8]
+5V +5V +5V
R251 R252
10K 10K
J201 0
J202 0
J203 0
J204 0
+15B
0
Q221
+5V
Q252
MU/A
R265
10K
-5V
BELL[1]
156
RO0
BELL[2]
157
RO1
BELL[3]
158
RO2
BELL[4]
159
5
RO3
BELL[5]
2
RO4
BELL[6]
3
RO5
BELL[7] 4
RO6
BELL[8]
5
RO7
HOOK[1]
97
HI0
HOOK[2]
98
HI1
HOOK[3]
99
HI2
HOOK[4]
101
5
HI3
HOOK[5]
102
HI4
HOOK[6]
103
HI5
HOOK[7] 104
HI6
HOOK[8]
105
HI7
DR1A
33
R1A
DR2A
34
R2A
DR3A
35
5 R3A
DR4A
36
R4A
DR5A 37
0
R5A
DR6A
38
R6A
DR7A
39
R7A
DR8A
40
R8A
DR1B
17
R1B
DR2B
18
R2B
DR3B
19
R3B
DR4B 21
R4B
DR5B
22
R5B
DR6B 23
R6B
DR7B
24
R7B
DR8B
25
R8B
DT1A
126
T1A
DT2A
127
T2A
DT3A
128
T3A
DT4A 129
5
T4A
DT5A
131
T5A
0
DT6A
132
T6A
DT7A
133
T7A
DT8A
134
T8A
DT1B
146
T1B
DT2B 147
T2B
DT3B
148
T3B
DT4B 149
T4B
DT5B
151
T5B
DT6B
152
T6B
DT7B
153
T7B
DT8B
154
T8B
PD[1]
106
P20
PD[2] 107
P21
PD[3]
108
P22
PD[4]
109
0
P23
PD[5]
111
P24
PD[6]
112
P25
PD[7]
113
P26
PD[8]
114
P27
SYC[1]
137
SYC1
SYC[2] 138
SYC2
SYC[3]
139
5 SYC3
SYC[4]
141
SYC4
SYC[5]
142
0
SYC5
SYC[6]
143
SYC6
SYC[7] 144
+5V
SYC7
SYC[8]
145
SYC8
R253 R254
10K 10K
8
P00
9
P01
11
P02
12
P03
0
74
DII
0
73
DIO
C256 R266
96
PSO
220P 10K
95
PSI
72
5
CMB
71
TXB
0
69
RXB
5
117
P30
118
P31
119
P32
120
0 P33
122
EXRLY 0 P34
123
P35
5
BR[1] 124
P36
0
BR[2]
125
P37N
5
13
P56
5
14
P57
OL[1]
15
P46
OL[2]
16
P47
BR[1-2],OL[1-2]
4
0
+5V
R286
1.5K
IC211
66
HWEN1
67
HWEN2 5
42
DSTi
0
43
DSTo 5
44
CDSTi 5
45
CDSTo
65
FHD2
68
FHD
A[1]
58 4
A0
A[2]
57
0
A1
A[3]
56
A2
A[4]
55
A3
A[5]
54
A4
A[6]
53
A5
IOCSN
32
IOCSN
A[9]
49
A6
A[10]
48
A7
A[11]
47
A8
A[12]
46
A9
26
RDN
27
WRN
0
31
RST
D[0]
76
D0
D[1]
77
D1
D[2]
78
D2
D[3]
79
D3
D[4]
82
D4
D[5]
83
D5
D[6]
84
D6
D[7]
85
D7
5
115
0
CS2
CDSN
136
GN
C8M
28
C8M
C4MN
29
C4MN
CHS0N
64
CHS0N
CHS1N
63
CHS1N
CHS2N
62
CHS2N
CHS3N
61
CHS3N
CHS4N
59
CHS4N
CS
135
CS1
0
TOE
155
TOE 0
STD[1]
6
P06
0
STD[2]
7
P07 0
A2[1]
86
P10 0
B[1]
87
P11
0
C[1]
88
P12 5
INH[1]
89
P13
0
A2[2]
91
P14
0
B[2]
92
P15
0
C[2]
93
P16
5
INH[2]
94
P17
+5V
20
VDD
60
VDD
80
VDD
100
VDD
140
VDD
160
VDD
75
TXT
1
GND
10
GND
30
GND
41
GND
50
GND
70
GND
81
GND
90
GND
110
GND
121
GND
130
GND
150
GND
51
P04
+5V
52
P05
116
P37
LCT[1-8]
A[1-6]
D[0-7]
+5V +5V
R263 R264
1.5K 1.5K
IC213
5
D[0]
3 15
CDSTo
D0
5
D[1]
4 16
CDSTi
D1
5
D[2]
17
D2
D[3]
18
0
D3
D[4]
26 19
FO D4
C4MN D[5]
25 20
C4 D5
D[6]
21
D6
D[7]
22
D7
4
13
R/W
11
0
CS
1 12
TXCEN E
A[1]
2 7
4 RXCEN A0
A[2]
8
A1
0 A[3]
9
A2
A[4]
10
A3
RSTN
27
RST
5
+5V
WD
6
IRQ
28
VDD
C259
0.1
14
VSS
A[9-12]
STD[1-2],TOE
A2[1-2],B[1-2],C[1-2],INH[1-2]
IC217
0
3
X
5
6
INH1 0
11
A1
0
10
B1 0
LCT[1]
13 9
X0 C1
LCT[2]
14
X1
LCT[3] 15 16
X2 VDD
LCT[4]
12 7
X3 VEE
0
LCT[5]
1
X4
LCT[6]
5
X5
LCT[7]
2
X6
LCT[8]
4 8
X7 VSS
IC218
0
3
X
5
6
INH2
0
11
A2
0
10
B2
0
LCT[1]
13 9
X0 C2
LCT[2]
14
X1
LCT[3]
15 16
X2 VDD
LCT[4] 12 7
0 X3 VEE
LCT[5]
1
X4
LCT[6]
5
X5
LCT[7]
2
X6
LCT[8]
4 8
X7 VSS
5
0
4
4
C271
0.1
5
0
INH[1]
A2[1]
B[1]
C[1]
+5V
-5V
C253
22000P
INH[2]
A2[2]
B[2]
C[2]
+5V
-5V