Analog Sound
H: Door 2 open
H: Door 1 open
(Buffer)
(CODEC)
5
0
5
0
5
0
5
0
2M
A
MU
(CODEC)
CN1
3
HWS0
4
HWR0
1
C2M
5
CP29
2
Mu/A
7
D0
8
D1
9
D2
10 D3
13 D5
11 D4
15 POGN
14 PIGN
6
CP30
20 FG
16 +15V
18 +5V
12 GND
19 -5V
17 -15V
IC4
1
CLR
2
BUSY1
5
BUSY2
7
DRL1
10
DRL2
12
PD1
15
6Q
8
GND
9
CLK
14
6D
13
D5
11
D3
6
D2
4
D1
3
D0
16
VDD
IC6
1
G1
2
DR1
4
HK1
6
DR2
10
HK2
12
5A
14
6A
15
G2
8
GND
13
6D
11
D5
9
D3
7
D2
5
D1
3
D0
16
VDD
IC7
1
G1
2
DR3
4
HK3
6
DR4
10
HK4
12
5A
14
6A
15
G2
8
GND
13
6D
11
D5
9
D3
7
D2
5
D1
3
D0
16
VDD
IC10
LS138
1
A
2
B
3
C
4
G2A
5
G2B
6
G1
7
Y7
8
GND
9
Y6
10
Y5
11
Y4
12
Y3
13
Y2
14
Y1
15
Y0
16
VDD
IC11
LS32
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
GND
8
3Y
9
3A
10
3B
11
4Y
12
4A
13
4B
14
VDD
-15V
-5V
+5V
+15V
FLT1
1
2
3
C15
0.1uF
+5V
C13
0.1uF
+5V
+5V
C17
0.1uF
C18
0.1uF
+5V
+5V
IC9
LS174
2
A
5
B
7
Q3
10
Q4
12
Q5
15
Q6
1
CLR
8
GND
9
CLK
14
6D
13
5D
11
4D
6
3D
4
D1
3
D0
16
VDD
C21
0.1uF
+5V
+5V
+5V
C23
0.1uF
IC3C
1
RO+
2
RO-
3
PI
4
PO-
5
PO+
17
TG
18
TI-
19
TI+
20
VAG
15
VSS
6
VDD
16
Mu/A
10
PDI
14
FST
7
FSR
12
BCLKT
9
BCLKR
11
MCLK
13
DT
8
DR
C12C
0.022uF
C11C
0.022uF
+5V
C10C
1000pF
R18C
180K
IC3A
1
RO+
2
RO-
3
PI
4
PO-
5
PO+
17
TG
18
TI-
19
TI+
20
VAG
15
VSS
6
VDD
16
Mu/A
10
PDI
14
FST
7
FSR
12
BCLKT
9
BCLKR
11
MCLK
13
DT
8
DR
R18A
180K
C10A
1000pF
C11A
0.022uF
C12A
0.022uF
+5V
R22
1K
R23
0
R24
1K
R21
1K
R25
1K
R20
1K
IC5
1
CLR
2
Dopen1
5
Dopen2
7
Dopen3
10
Dopen4
12
PD2
15
6Q
8
GND
9
CLK
14
6D
13
D5
11
D3
6
D2
4
D1
3
D0
16
VDD
R29
N/M
+5V
C22
0.1uF
+5V
HWS0
HWR0
C2M
CP29
Mu/A
D0
D1
D2
D3
D5
D4
POGN
PIGN
CP30
FG
+15V
+5V
GND
-5V
-15V
IC8
1
2
3
4
GND
5
6
7
8
VCC
D5
D3
D2
D1
D0
D1
D0
D0
D5
D3
D2
D1
D0
D0
D1
D2
D3
D5
D0
D1
D2
D3
D5
D1
D2
D3
D5
LC2M
LHWR0
LHWS0
LHWS0
LHWR0
LC2M
LC2M
LHWR0
LHWS0
D4
(1)(2)
(3)
(4)(5)(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)(17)(18)(19)
(20)
(21)
(22)
KX-
TA123
2
138
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 ...