Panasonic KX-TA1232, Service Manual

Page: 197 / 258

IC111
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
CS
21
A10
23
A11
24
A9
25
A8
26
A13
27
A14
28
VCC
22
OE
1
VPP
C111
0.1
+5B
IC9
X2
12
X1
11
VDD
9
AG
8
SCLK
14
PBTO
24
D1
21
CS
15
R/W
17
SG
4
PBI
3
GSI
1
PBT
2
10
D2
20
D3
19
AD0
16
DG
23
CLK0
13
D4
18
R4
100K
R3
100K
C1
0.47
C24
0.01
+5B
X4
C3
0.47
R7
100K
C25
0.01
R8
100K
+5B
C9
100P
IC10
X2
12
X1
11
VDD
9
AG
8
SCLK
14
PBTO
24
D1
21
CS
15
R/W
17
SG
4
PBI
3
GSI
1
PBT
2
10
D2
20
D3
19
AD0
16
DG
23
D4
18
C13
0.47
IC13
CLK
6
D
10
R
2
W
1
VOUT
9
LD
3
XLS
7
VIN2
11
GND
13
VIN1
12
V-
8
V+
14
C128
0.1
-5V
IC20
PO-
4
PDI
10
DT
13
DR
8
PO+
5
P1
3
RO-
2
VAG
20
BCLKT
12
BCLKR
9
MCLK
11
TG+
19
VSS
15
VDD
6
FST
14
FSR
7
MU/A
16
RO+
1
TG-
18
TG
17
C31
0.1
C33
0.1
R58 33K
C115
0.022
C114
0.022
+5B
R51 5.6K
R52
18K
IC61
PO-
4
PDI
10
DT
13
DR
8
PO+
5
P1
3
RO-
2
VAG
20
BCLKT
12
BCLKR
9
MCLK
11
TG+
19
VSS
15
VDD
6
FST
14
FSR
7
MU/A
16
RO+
1
TG-
18
TG
17
C117
0.022
C116
0.022
C42
0.1
+5B
C15
No Mounted
C118
0.022
C32 0.1
IC21
PO-
4
PDI
10
DT
13
DR
8
PO+
5
P1
3
RO-
2
VAG
20
BCLKT
12
BCLKR
9
MCLK
11
TG+
19
VSS
15
VDD
6
FST
14
FSR
7
MU/A
16
RO+
1
TG-
18
TG
17
R62
33K
C119
0.022
R63
68K
IC17
PO-
4
PDI
10
DT
13
DR
8
PO+
5
P1
3
RO-
2
VAG
20
BCLKT
12
BCLKR
9
MCLK
11
TG+
19
VSS
15
VDD
6
FST
14
FSR
7
MU/A
16
RO+
1
TG-
18
TG
17
R66 5.6K
C16
No Mounted
R67
18K
+5B
C122
0.022
C123
0.022
C28 0.1
IC57
1
2
3
4
5
6
R12
R11
C6
+12V
R10
+5B
IC73
6
Q7
11
CLR
10
CLK
+5B
IC14
CLK
6
D
10
R
2
W
1
VOUT
9
LD
3
XLS
7
VIN2
11
GND
13
VIN1
12
V-
8
V+
14
C129
0.1
-5V
C14
0.47
-5V
C8
R15
IC58
1
2
3
4
5
6
+12V
+5B
R14
R13
C34 0.1
IC28
7
6 5
4 8
+5B
-5
R91
470K
R83
3.9K
C120 180P
C105
0.1
R72
1K
R172 No Mounted
D15
R64
82K
C95
0.022
IC24
2
4 5
3 12
C35
0.022
+5B
+5B
R56 10K
+5B
R73
1K
R84
3.9K
D16
C106
0.1
R92
470K
R57
10K
C121
180P
R87
3.9K
D17
+5B
C109
0.1
C124
180P
+5B
-5
R95
470K
IC30
7
6 5
4 8
R76
1K
R60
10K
R77
1K
R61
10K
R88
3.9K
D18
+5B
C110
0.1
C125
180P
R96 470K
IC28
3 2
1
IC24
7 6
1
IC30
3 2
1
IC24
9 8
14
R99 100K
R98
1.0K
C97 0.1
+5B
C133
0.022
IC74
14 7
IC73
16 8
+5B
IC77
14 7
C131
0.022
+5B
C130
0.022
C127
0.022
IC76
14 7
+5B
C126
0.022
IC101
14 7
+5R
IC75
Q
11
D
12
P
10 13
C
IC101
12 13
11
IC101
9
10
8
R30
0
R32 22K
+5B
R31
No Mounted
R9
10K
+5B
C2
10
µ
C4
10
µ
IC24
11 10
13
C11
No Mounted
C12
No Mounted
R50
47K
R49 10K
C10 No Mounted
R59
68K
+5B
-5V
IC16
CLK
6
D
10
R
2
W
1
VOUT
9
LD
3
XLS
7
VIN2
11
GND
13
VIN1
12
V-
8
V+
14
IC15
CLK
6
D
10
R
2
W
1
VOUT
9
LD
3
XLS
7
VIN2
11
GND
13
VIN1
12
V-
8
V+
14
+5B
+5B
R173 No Mounted R174 No Mounted R175 No Mounted
R65
82K
R68
82K
R69
82K
C96
0.022
C99
0.022
C100
0.022
IC77
13
11
9 5
IC76
13 11
9 5
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] 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[0]
A[0]
#CS[1] #CS[1]
#CS[5]
DETA[0] DETA[1] DETB[0] DETB[1]
CP[19]
E
E
CP[18] CP[16] CP[17]
CP[16-19]
R/#W
R/#W
No Mounted No Mounted
No Mounted No Mounted
(1) (2) (3)(4) (5) (6) (7) (8) (9) (10)(11)(12)
NOTCHT FIL
TER
DTMF TRANSCEIVER/ RECEIVING
DTMF TRANSCEIVER/ RECEIVING
TONE DETECTOR CIRCUIT
620HzCut
NOTCHT FIL
TER
620HzCut
TRANSMITTING DTMF
:
TRANSMITTING DTMF
:
C :5V X :0V