FG
ER
DR
POGN
PIGN
+15V
-15V
FG
R604
R606
R604
R602
R609
R715
R603
C603
Q9
E
E
Q8
IC9
+5V
-5V
MCLK1
CP30
IC14
P004
+15V
IC3
IO0
R12
R16
R13
C94
R110
R112
C96
R111
R5
R4
R8
R6
R7
R14
R15
C82
C83
C68
C53
R20
C54
C39
R223
R213
R97
R215
R212
Z6
C46
C80
R185
R190
R189
R187
C33
HWR3
HWR4
R18
C47
R136
C45
J21
J26
R133
R228
R214
R211
C40
J24
C44
R204
R205
R206
R171
C67
D2
D1
D0
J17
J25
IC40
1
14
7
8
1
14
7
8
J20
J16
J23
R9
J13
J22
R173
R172
R180
R91
R92
R93
R200
R199
R194
J19
R193
R113
R196
R168
R169
R114
R198
C72
R195
R164
J12
R96
R68
R67
R75
R66
R70
R71
R72
R73
R57
R77
R76
R74
R78
R79
R62
J3
J2
J1
R69
C92
C64
R163
C71
C70
R165
J15
J27
C55
J14
R94
J18
R210
R209
R208
R207
D7
IOWN
IRWN
D4
HWR7
HWR5
HWR6
D6
GND
+5VR
BELL
OHCT
OHCR
HWS1HWS3
HWS4
HWS5 HWS7
HWS6
DON
D2N
D4N
A1N
A3N
A6N
A9N
A4N
A5N
A10N
A11N#
2MN GND-
A12N FHNR
4M
CHS0 CHS4
SRSTN
R160 R130
R137
R11
R219
C14
J11
C41
R132
ECK RXD
HALTN
MCLK
IOCSN
CHS3
CHS2 IRON
CHS1
CKN
D6N
A2N
HWS2
D5N
D1N
D7N D3N R139
R146
R138
20
11
16
16
16
8
8
8
1
1
9
9
9
1
1
10
HWR2
Z2
Z1
R17
C102
R226
14
1
7
8
14
1
7
8
MUA
HWR0
IC19
PRST
R84
C56
C81
R227
R87
RD
CP29
HWS0
2M
SD
GBD
GBD
R704
R65
R122
R121
R126
R123
R52
C31
R33
R34
R117
R118
R611
R48
R53
R608
R610
R127
R30
C26
C27
R50
R51
C30
C89
R128
R40
C35
16
1
8
9
16
8
1
9
16
8
A17
A13
A16
A7
A8
A5
A6
A3
A4
A1
A2
1
9
BELL
-15V
HAL TN1
RES
Q6
Q7
E
E
IO12
IC15
IC26
IC16
IO4
64K
D5
IC21
IC20
TXD
IO10
IO9
IO8
IO11
IO2
IO6
IO3
IO1
Q5
Q605
E
Q13
Q11
Q603
Q604
E
E
E
E
Q601
Q602
IC12
IC27
E
IO7
D3
+5V
+5VB
A14 A10
A9
CS
D14 D12
D11
D13
D15
D8 D9 D10
GND
INTMN
A11
A15
A18
A12
PGM
Z4
Z5
Q607
CN1
R707
R706
R85
R708
J101
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 ...