Read Panasonic KX-TD1232RU Service Manual Supplement online
4 SCHEMATIC DIAGRAM
4.1. EXT.1/2 CIRCUIT
Change from the Original Service Manual page 10.
IC211
156 RO0
157 RO1
158 RO2
159 RO3
2 RO4
3 RO5
4 RO6
5 RO7
98 HI1
99 HI2
101 HI3
102 HI4
103 HI5
104 HI6
105 HI7
97 HI0
33 R1A
34 R2A
35 R3A
36 R4A
37 R5A
38 R6A
39 R7A
40 R8A
17 R1B
18 R2B
19 R3B
21 R4B
22 R5B
23 R6B
24 R7B
25 R8B
126 T1A
127 T2A
128 T3A
129 T4A
131 T5A
132 T6A
133 T7A
134 T8A
146 T1B
146 T1B
147 T2B
148 T3B
149 T4B
151 T5B
152 T6B
153 T7B
154 T8B
106 P20
106 P20
107 P21
108 P22
109 P23
111 P24
112 P25
113 P26
114 P27
137 SYC1
137 SYC1
138 SYC2
139 SYC3
141 SYC4
142 SYC5
143 SYC6
144 SYC7
145 SYC8
8 P00
9 P01
11 P02
12 P03
74 DII
73 DIO
96 PSO
95 PSI
12 P03
74 DII
73 DIO
96 PSO
95 PSI
72 CMB
71 TXB
69 RXB
117 P30
118 P31
119 P32
120 P33
122 P34
123 P35
124 P36
125 P37N
13 P56
14 P57
15 P46
16 P47
66
HWEN1 67
HWEN2 42
DSTi 43
DSTo 44
CDSTi45
CDSTo
65
FHD2 68
FHD
58
A0 57
A1 56
A2 55
A3 54
A4 53
A5
32
IOCSN
49
A6 48
A7 47
A8 46
A9
26
RDN 27
WRN 31
RST
76
D0 77
D1 78
D2 79
D3 82
D4 83
D5 84
D6 85
D7
115
CS2 136
GN 28
C8M 29
C4MN 64
CHS0N 63
CHS1N 62
CHS2N 61
CHS3N 59
CHS4N
135
CS1 155
TOE 6
P06 7
P07 86
P10 87
P11 88
P12 89
P13 91
P14 92
P15 93
P16 94
P17
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
52
P05
116
P37
R254
10K
R253
10K
R252
10K
R251
10K
J201 0
J202 0
J203 0
J204 0
R266
10K
C256
220P
EXRLY
IC213
26
FO
25
C4
7
A0
3
CDSTo
4
CDSTi
1
TXCEN
2
RXCEN
27
RST
5
WD
6
IRQ
28
VDD
14
VSS
8
A1
9
A2
10
A3
15
D0
16
D1
17
D2
18
D3
19
D4
20
D5
21
D6
22
D7
13
R/W
11
CS
12
E
+5V
+5V
R264
1.5K
R263
1.5K
C259
0.1
+5V
+5V
C272
0.1
C258
0.1
C273
0.1
C257
0.1
+5V
IC217
13 X0
14 X1
15 X2
12 X3
1 X4
5 X5
2 X6
4 X7
3
X
6
INH1 11
A1 10
B1 9
C1
16
VDD 7
VEE
8
VSS
C287
0.1
C288
0.1
-5V
+5V
C290
0.1
IC218
13 X0
14 X1
15 X2
12 X3
1 X4
5 X5
2 X6
4 X7
3
X
6
INH2 11
A2 10
B2 9
C2
16
VDD 7
VEE
8
VSS
C289
0.1
+5V
-5V
C291
0.1
+5V
R286
1.5K
C271
0.1
BELL[1-8]
HOOK[1-8]
DR1A,DR2A,DR3A,DR4A,DR5A,DR6A,DR7A,DR8A
PD[1-8]
SYC[1-8]
DR1B,DR2B,DR3B,DR4B,DR5B,DR6B,DR7B,DR8B
DT1A,DT2A,DT3A,DT4A,DT5A,DT6A,DT7A,DT8A
DT1B,DT2B,DT3B,DT4B,DT5B,DT6B,DT7B,DT8B
Q252
+5V
+5V
+5V
+5V
+5V
R265
10K
-5V
MU/A
LCT[1-8]
HWSB
HWRB
Q221
D225
+15B
+-
RL
Y200B
+-
RL
Y200A
BR[1-2],OL[1-2]
D
F
E
C
B
A
G
4
3
5
2
BELL[1]
BELL[2]
BELL[3]
BELL[4]
BELL[5]
BELL[6]
BELL[7]
BELL[8]
HOOK[1]
HOOK[2]
HOOK[3]
HOOK[4]
HOOK[5]
HOOK[6]
HOOK[7]
HOOK[8]
DR1A
DR2A
DR4A
DR3A
DR6A
DR8A
DR5A
DR7A
DR1B
DR2B
DR3B
DR4B
DR5B
DR7B
DR8B
DR6B
DT1A
DT2A
DT3A
DT4A
DT8A
DT5A
DT7A
DT6A
DT4B
DT7B
DT1B
DT5B
DT3B
DT8B
DT6B
DT2B
PD[1]
PD[2]
PD[3]
PD[4]
PD[5]
PD[6]
PD[7]
PD[8]
SYC[1]
SYC[2]
SYC[3]
SYC[4]
SYC[5]
SYC[6]
SYC[7]
SYC[8]
LCT[1-8]
LCT[1]
LCT[2]
LCT[3]
LCT[4]
LCT[5]
LCT[6]
LCT[7]
LCT[8]
LCT[8]
LCT[7]
LCT[4]
LCT[6]
LCT[1]
LCT[5]
LCT[2]
LCT[3]
STD[2]
STD[1]
TOE
A[1]
A[2]
B[1]
B[2]
C[1]
C[2]
INH[1]
INH[2]
INH[1]
INH[2]
A[1]
A[2]
B[1]
B[2]
C[1]
C[2]
CS
A[1-6]
A[1]
A[2]
A[3]
A[4]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[9-12]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
D[0-7]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
A[9]
A[10]
A[11]
A[12]
CHS1N
CHS2N
CHS3N
CHS4N
RSTN
IOCSN
CDSN
C8M
A[1-2],B[1-2],C[1-2],INH[1-2]
STD[1-2],TOE
CHS0N
C4MN
C4MN
BR[1]
BR[2]
OL[1]
OL[2]
KX-TD1232RU SCHEMATIC DIAGRAM (EXTENSION) No.1
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(2)
(2)
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(4)
(5)
(6)
(7)
(8)
(20)
(21)
(22)
(23)
1
5
5
5
0
5
0
5
5
0
0
0
0
5
0
0
0
5
0
5
5
5
5
0
4
5
0
0
5
4
0
4
0
0
5
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
5
0
0
0
5
0
0
0
5
5
0
0
0
5
5
5
5
0
0
5
0
0
4
0
0
5
0
0
4
0
0
18
KX-TD1232RU
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