RING
+15B
TIP
-5V
OHCAR
OHCAT
R270A
R270B
R270C
R270D
R270E
R270F
R270G
R270H
C256
R291B
R291C
R292C
R292B
R290A
R290B
C258
R291D
R292D
R290D
C272
C253
R259
C251
R256
R255
R204
D252
R802
R310
R290G
R291H
R292H
R290H
R308
R305
R303
R301
R316
R319
R321
R804
R312
R323
R803
R805
R801
R307
R267
R268
R266
R269
R203
R258
R291
R231
R260
J253
J255
J254 R214
R214
J260
J253
J252
R213
J260G
J253G
J252G
R213G
J260
J253
J252
R213
C299
R330
J255
J254
R214
C299
R330
J255
J254
R214
C299
R330
J255
J254
J250
J251
R221
J250
J251
R221
J250
J251
R221
C218
C218
C218
C217
C217
C217
J251
J250
R221
R236
R902
C900
C209
C208
R215
R215
R215
R215
R230
J252
R231
R231
R231
C208F
C208
C208
R291 R292
R292G
R290F
R291G
R290E
C273
R276D
C311
C257
R266
R264
R263
C259
R292A
R291A
R276A
C208
C208
R231
R231
R231
R231
R230
R230
R215
R215
C208
R223
R215
R215
R214
J260
J253
J252
R213
J260
J253
J252
R213
J260
J253
J252
R213
J260
J253
J252
R213
C299 R330
J255
J254
R214
C299 R330
J255
J254
R214
C299 R330
J255
J254
R214
C299 R330
J255
J254
J250
J251
J250
J251
J250
J251
J250
J251
R221
R221
R221
R221
R222
R222
R222
R222
R222
R220
R211
R211
R211
R210
R210
R210
R210
R220
R222
R222
R222
R221
R221
R221
R221
R221
R219
R219B
R219
R219
R219
R219
R219
R219
C217
R210
R210
R210
R210
R220
C218
C218
C218
C218
R237
R237
R237
R237
R237
R237
R237
R237
R235
R234
C217
C217
C217
R200
R200
R200
R200
R220
R200
R200
R200
C219
C219
C219
R238
J257
J256
C219
C219
C219
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R233
R299
R903
R295
R248
R207
R207
R207
C219
R207
R207
R207
R207
R207
R299
R299
R275
R275
Q207
R904
D203A
D214
D214
D214
D214
D214
D214
D214
Q207
Q207
Q207
Q207
Q207
Q207
Q207
R904
R904
R904
R904
R904
R904
R224
R225
R224
R225
C271
D213A
R277A
R276B
-15V
+15V
C289
R278D
R277B
R277C
R277D
R279A
R279B
R279C
R254
R253
R279D
R276C
J201
J202
J203
J204
R251
R252
R290D
R292E
D213
D213
D213
D213
D213
D213
D213
+15V
BELL
C296
TIP
RING
HWR
D1N
D3N
D5N
D7N
A2N
A4N
A6N
A10N
A12N
C4M
CHS0
CHS2
CHS4
IORN
SRSTN
ECK
HWS
D0N
D1N
D4N
C285
R271
D6N
A1N
A3N
A5N
A9N
A11N
GND
C298
C2MN
CPUCKN
CHS1
CHS3
IOCSN
IOWN
IRWN
+15V
+5V
C297
C299
C295
R272
A
B
C
D
E
F
G
H
R209
R206
R209
R209
R206
R206
R209
R206
R209
R206
D205
D204
R220
R220
D205
D204
D205
D204
D205
D204
D205
D204
R206
R209
D205
D204
R206
R209
D205
D204
D205
D204
Q208
Q208
Q208
Q208
Q208
Q208
Q208
Q208
Q201
Q206
Q206
R224
R225
Q206
R224
R225
R224
R225
R224
R225
R224
R225
R224
R225
Q206
Q206
Q206
Q206
Q206
D210
D210
D210
D210
D210
D210
D210
D210
E
E
Q200
Q200
R299
R299
R299
R299
R299
R299
R275
Q200
R275
R275
Q200
Q200
R275
Q200
R275
R275
Q200
Q200
C213
C212
C213
C212
C213
C212
C213
C212
C213
C212
C213
C212
C213
C212
C213
C212
R904
CH43
CH44
CH45
CH46
R2 T2
T1 R1
H-A
H-B
OHCAR-A
FG
T-B
T-A
R230
R230
R230
R230
C208
C217
C218
R218
R200
R220
R220
T1
R230
L-H
T-H
OHCAR-G
OHCAT-H
OHCAR-H
H-H
H-G
H-E
T-E
H-D
H-C
T-C
R-A
L-A
OHCAT-A
T-D
R-D
L-D
OHCAT-D
OHCAT-E
OHCAT-F
OHCAT-G
T-G
OHCAR-F
OHCAR-E
OHCAR-D
OHCAR-C
OHCAR-B
OHCAT-B
OHCAT-C
R-C
L-C
H-F
T-F
R-B
L-B
R-E
L-E
R-F
R-G
L-G
L-F
R-H
CN202
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 ...