5
0
2
0
-2
0.7
COMP
ARA
TOR
RING TRIP DETECT
HOOK DETECT
5
0
4
0
0
0
0
0
5
5
0
0
CODEC
4
0
5
0
4
0
0
5
55
0
-15
OVERL
OAD
DETECT1
OVERL
OAD
DETECT2
BREAK
CONTROL2
BREAK
CONTROL1
R209A
68
C219A
0.1
C204A
10
µ
R232A
2W1K
R211A
300
R205A
22
R227A
47K
C211A
50V4.7
R275A
56K
R201A
2.2K
C206A
10
µ
IC203A
9
10
7
R224A
15K
-5V
C205A
10
µ
J250A
0
+5V
R208A
22
R248A
470
R207A
6.8K
C212A
0.01
Q204A
C218A
68P
VREF
+15V
R222A
300
R225A
33K
R202A
R226A
10K
IC203A
4
5
12
D211A
IC203A
11
6
3
8
Q203A
C202A
50V2.2
R236A
2.2K
+5V
Q205A
R235A
560
R206A
68
+5V
C217A
68P
R215A
110K
R234A
2.2K
-15V
R210A
6.8K
C220A
0.039
µ
F
C222A
10
µ
C216A
50V2.2
R231A
1K
47
-15V
Q201A
Q208A
R219A
110K
47
D210A
C213A
0.01
R200A
39
J256A
0
R229A
33K
D213A
R220A
110K
R230A
10K
C208A
0
D212A
R240A
2.2K
R238A
39
-15V
-15V
Q206A
R239A
2.2K
R228A
12K
R237A
560
C224A
R276B
47
Q205B
D213B
R238B
39
R235B
560
C218B
68P
C211B
4.7
R224B
15K
C219B
0.1
-15V
D211B
C217B
68P
-15V
R275B
56K
R240B
2.2K
R201B
2.2K
R236B
2.2K
R227B
47K
D210B
C224B
-5V
C220B
0.039
µ
F
R234B
2.2K
R226B
10K
R200B
39
R248B
470
R229B
33K
+5V
R237B
560
IC203B
11
6
3
8
R202B
2.2K
R232B
2W1K
R225B
33K
R239B
2.2K
R231B
1K
D212B
R277B
47
IC203B
4
5
12
+5DT
+5V
R230B
10K
IC203B
9
10
7
Q208B
VREF
C216B
50V2.2
Q206B
C223B
C202B
50V2.2
-15V
Q201B
R228B
12K
20
LB
24
RB
23
TB
21
RL
YB
CN206
19
HB
22
BGB
CN206
13
HC
17
TC
14
LC
15
RL
Y
C
18
RC
16
BGC
2
TD
4
RL
YD
5
LD
3
BGD
1
RD
CN205
6
HD
Q215
R285
1.2K
Q214
+15V
C221
25V100
µ
CN205
34
BR[1]
33
BR[2]
Q210
R246
1.5K
R241
47K
-15V
C220
25V100
µ
Q211
+5V
5
OL[2]
CN206
34
OL[1]
R242
6.8K
D221
D220
R243
22K
+5V
Q213
R247
22K
+5V
R245
15K
R244
4.7K
CN206
6
25
HA
2
+15B
30
RA
26
LA
CN206
1
FG
11
DG
10
+15V
27
RL
Y
A
FG
7
12
33
-15V
4
+15V
28
BGA
-15V
8
+15B
3
29
TA
J251A
Q300A
Q301A
R214A
82K
R330A
C299A
220P
J257A
C209A
22000P
C900A
56P
R221A
91K
R902A
R900A
91K
R901A
C901A
56P
IC201A
8
DR
13
DT
1
RO+
10
PDI
11
MCLK
9
BCLKR
12
BCLK
T
7
FSR
14
FST
6
VDD
15
VS
S
20
VA
G
3
PI
4
PO
-
5
PO+
19
TI+
18
TI-
17
TG
16
MU/A
J255A
J254A
0
R213A
3K
R217A
100K
R216A
100K
C207A
0
R212A
2.4K
J253A
J252A
0
J260A
C210A
22000P
+5V
Q203B
C208B
0
C213B
0.01
R213B
3K
R902B
J255B
Q301B
J253B
R216B
100K
R212B
2.4K
+15V
C207B
0
R214B
82K
J251B
+5V
R205B
22
J254B
0
Q204B
C205B
10
µ
C210B
22000P
C209B
22000P
C901B
56P
C299B
220P
C204B
10
µ
Q300B
R901B
R220B
110K
-15V
R208B
22
C900B
56P
R330B
J250B
0
J260B
R900B
91K
J257B
R215B
110K
C212B
0.01
IC201B
8
DR
13
DT
1
RO+
10
PDI
11
MCLK
9
BCLKR
12
BCLK
T
7
FSR
14
FST
6
VDD
15
VS
S
20
VA
G
3
PI
4
PO
-
5
PO+
19
TI+
18
TI-
17
TG
16
MU/A
R222B
300
R221B
91K
C206B
10
µ
C222B
10
µ
J256B
0
R209B
68
R219B
110K
J252B
0
R211B
300
R210B
6.8K
R206B
68
R217B
100K
R207B
6.8K
DT1B
DT1A
DR1A
DR1B
DT2B
DR2A
DR2B
DT2A
HWSB
HWRB
PD[1]
HOOK[1]
BELL[1]
HOOK[2]
BELL[2]
HWSB
HWRB
PD[3]
SY
C[3]
LCT[3]
HOOK[3]
BELL[3]
HOOK[4]
SY
C[4]
PD[4]
BELL[4]
LCT[4]
HWRB
HWSB
BR[1]
OL[1]
OL[2]
BR[2]
PFR
LCT[1]
SY
C[1]
MU/A
MU/A
MU/A
MU/A
SY
C[2]
PD[2]
HWRB
LCT[2]
HWSB
C2M
C2M
C2M
C2M
A
B
C
SAME AS B
D
SAME AS B
TO CN204
TO CN204
TO CN204
DT1A
,DT1B,DR1A
,DR1B
DT2A
,DT2B,DR2A
,DR2B
DT3A
,DT3B,DR3A
,DR3B
DT4A
,DT4B,DR4A
,DR4B
TO CN204
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 ...