Panasonic KX-FL403UA (serv.man8) Service Manual / Supplement ▷ View online
6
KX-FL403UA
4/4
KX-FL403UA DIGITAL BOARD (4/4)
(r)
(s)
(t)
(u)
(w)
(v)
(x)
(z)
(B)
(D)
(y)
(A)
(C)
(E)
(F)
(H)
(G)
(J)
(39)
(41)
(43)
(45)
(47)
(49)
(51)
(44)
(46)
(48)
(50)
(52)
(54)
(56)
(58)
(59)
(60)
(53)
(55)
(57)
(42)
(40)
100
R221
L146
BEAD
(
)
R216
NC
L132
( )
C230
NC
Z0.1u
C235
D109
NC
(
)
2.7K
R183
47K
R207
100
R191
0
R208
X105
32.256MHz
100
R189
0
C222
100
R190
Z0.1u
C206
C206
L133
0
R200
Z0.1u
C227
Z0.1u
C220
J33p
C202
( )
C223
NC
L131
16V10u
C234
Z0.1u
C199
K1000p
C197
100
R188
NC
R205
K0.1u
C212
Z0.1u
C218
(
)
C217
NC
Z0.1u
C200
NC
R210
Z0.1u
C208
( )
C233
NC
+3.3V
K4700p
C194
4.7K
R198
( )
C193
NC
L141
L135
Z0.1u
C231
+3.3V
100
RA122
1
2
3
4
2
3
4
5
6
7
8
Z0.1u
C219
100
RA124
1
2
3
4
2
3
4
5
6
7
8
(
)
R204
NC
J12p
C226
(
)
C221
NC
K0.1u
C192
10K
R182
+5VD
Z0.1u
C198
10
R184
X103
IC109
1
INPUT
2
NC
3
OSCOUT
4
NC
5
NC
6
OSCIN
7
NC
8
GND
9
SD
10
NC
11
ACK
12
NC
13
NC
14
ESt
15
NC
16
VDD
10K
R203
(
)
3.3K
R201
NC
L134
BEAD
16V10u
C195
K0.1u
C228
C228
K0.1u
C229
+3.3V
Z0.1u
C256
Z0.1u
C257
Z0.1u
C258
C247
J180p
L150
0
R243
180
L148
BEAD
J100p
C307
R241
180
+24V
CDLRTS
+4VD
L152
BEAD
J100p
C308
Z0.1u
C250
CDLCTS
Z0.1u
C252
+5VD
L154
C248
J180p
L149
BEAD
CDLTXD
C246
J180p
J100p
C305
R242
180
J100p
C309
CDLRXD
-5V
L147
BEAD
L153
0
J100p
C306
Z0.1u
C245
Z0.1u
C253
0
R248
RA127
NC
1
2
3
45
6
7
8
R186
10K
IC111
1
VSS1
2
VDD2
3
VSSo3
4
VDDo4
5
EYEXY/XCLK
6
RESERVED6
7
RESERVED7
8
PIA_RESETn
9
PIA_STROBE/EYESYN
10
PIA_TXSIN
11
PIA_RXOUT
12
PIA_CNTRL_SIN
13
PIA_CLKIN
14
PIA_SCLK/EYECLK
15
IA1_SCLK
16
IA1_CLKIN
17
IA1_CNTRL_SI
18
IA1_TESTCN
19
IA1_RXOUT
20
IA1_TXSIN
21
IA1_STROBE
22
IA1_RESETn
23
RESERVED23
24
IA_AVSS
25
RESERVED25
26
RESERVED26
27
RESERVED27
28
RESERVED28
29
RESERVED29
30
RESERVED30
31
RESERVED31
32
RESERVED32
33
RESERVED33
34
RESERVED34
35RESERVED35
36RESERVED36
37RESERVED37
38RESERVED38
39RESERVED39
40RESERVED40
41RESERVED41
42RESERVED42
43RESERVED43
44RESERVED44
45RESERVED45
46
IA_AVSS46
47IA1_RXP
48RESERVED48
49
IA1_HSMICP
50IA1_HSMICM
51
IA1_HSMIC_BIAS
52
IA1_BG
53
IA1_VC
54
IA1_AVDD
55
RESERVED55
56
IA1_TXP
57
IA1_SPKRP
58
IA1_SPKRM
59
IA_AVSS59
60
IA_VDD
61
RINGDn
62
GPO1
63
GP02
64
GPI0
65
GPI1
66
GPI2
67
TEST
68
XTLI/CLKIN
69
XTLO
70
VDD70
71
VSS71
72
VSSo72
73
AVSS
74
VBG
75
ENABLE_VREG18D
76
AVDD
77
VDDo77
78
CSn
79
RDn
80
WRn
81
SPRn
82
A4
83
A3
84
A2
85
A1
86
A0
87
VDDo87
88
VSSo88
89
VSS89
90
VDD90
91
D0
92
D1
93
D2
94
D3
95
D4
96
D5
97
D6
98
D7
99
RESETn
100
IRQn
TP_XCLK
J100p
C316
J100p
C323
J100p
C317
J100p
C318
J100p
C319
J100p
C320
J100p
C321
J100p
C322
4.7K
R261
+3.3V
L136
L137
K0.1u
C209
0
R264
K0.1u
C326
Z1u
C214
J10p
C225
220
R206
0
R211
CN115
1
2
3
4
6
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
MDMCS
MODEM_RX_IN
MODEM_RX_IN
MICLK
MILATCH
MODEM_RX_IN
VOL2/CRESET
VOX/NISHI1
SP_MUTE
VOL0/MURA1
VOL1/F_MUTE
MIDATA
TONE
BREAK
BELL
POL_N
HS_ALC/POL_P
CID_RLY
LIN_RLY
DCN
P_SHORT
TO ANALOG
24V
BREAK/CDL_RXD
+5VA
SP_MUTE
AG
VOL0/MURA1
DG
VOL1/F_MUTE
DG
-5V
+4V
VOL2/CRESET
+4V
MODEM_RX_IN
P_SHORT/T-ON_OFF
TONE
DCN
MODEM_TX_OUT
LIN_RLY/T-PAT1
NC
CID_RLY/T-PAT0
VOX/NISHI1
BELL
MIDATA/CDL_RTS
EXTHOOK/PLO_N
MICLK/CDL_CTS
HS_ALC/POL-P
MILATCH/CDL_TXD
5
7
9
32.256MHz
FAX RX
FAX TX
(
)
(
)
7
KX-FL403UA
2.2.
Printed Circuit Board
2.2.1.
Digital Board (PCB1) / Component View
[Changed from original section “16.1.1. Component View”]
PFUP1526Y -A
PbF
A
E
E
E
37
36
25
24
13
A
U
TO-CH
PCB-CH
REF-CH
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
F103
C300
L102
Q101
Q110
C110
C271
C249
R246
R240
R211
C235
C220
C222
C221
L135
C209
C214
R203
L134
31
30
CN115
RA127
R248
C245
IC111
IC103
R132
R127
R171
R169
R169
L129
R174
R174
C168
TP_FRY
C164
R176
R164
R175
R126
C121
C116
C183
C182
100
X102
C133
C320
C319
C318
C318
C127
C253
C206
C208
R204
R221
1
16
R261
L154
2
1
1
C212
C217
50
51
C289
C288
C268
C233
R245
X103
IC109
R231
R234
F101
Q108
C195
C163
C149
C145
C153
L123
L148
L106
C165
C160
Q104
R184
R119
R117
R112
R105
2.0A
5
CN105
CN104
R237
R241 R243
L127
L128
L126
L149
L147
L125
C238
D110
C248
C242
24
1
IC114
IC105
C312
C246
C265
C137
C256
25
48
RA102
RA117
RA118
C162
C186
C189
C169
R168 R167
R267
R177
R166 R165
C170
C171
C187
C158
R263
R232
R258
R150
Q115
CN114
CN111
J101
BA
T101
T101
1
11
1
3
75
80
81
X105
C223
C230
C234
28
27
Q105
Q103
Q124
R123
E
24
C298
3.15A
F104
C297
C283
D105
D108
IC101
1
28
30
C131
1
7
1
C211
C215
TP_A15
TP_AMON
TP_NMI
TP_A14
TP_A13
C275
R160
R193
Q117
L109
L108
C141
144
1
C120
C123
C254
C152
C311
C175
IC106
C172
C180
C157
IC107
51
75
76
50
26
25
1
R259
R153
R151
R154
L157
L133
C267
L103
L158
L111
L112
L113
L114
L116
L115
R172
RA119
RA116
RA115
RA114
C174
72
73
36
37
C129
Q107
1
3
R163
R149
L119
L120
L121
L122
R157
R233
R143
C134
IC104
3.3V/BA
T
C109
R161
109
108
R199
C216
BOND
BOND
BOND
24.0
D108
X101
32.7
X104
24.0
C207
C205
R185
Q123
D
A101
C204
R195
C203
1
12
48
IC110
1
4
2
3
+5VD
R137
R125
C281
C282
C108
C278
C324
Q106
R120
R118
R116
R135
R136
R256
R128
R228
R220
C237
C176
C188
IC108
27
28
54
C178 C179
C201
C177
1
L142
L143
R114
R109
R106
Q102
L156
L155
2
8
4
58
C112
PG
C128
RA120
RA125
RA126
1
10
11
IC112
20
R133
R254
R253
IC113
C118
R134
21
7
8
14
R130
Q109
IC115
1
15
29
D104
D103
D101
C106
C102
C117
CN101
CN102
CN103
CN106
CN113
R131
C125
R113
22
C119
R129
C279
R192
R187
R202
CN109
CN108
L130
R197
R196
C196
C213
C151
C156
L110
R139
R158
R158
C274
C210
C255
8
9
C142
C144
C143
C140
C139
C154
C159
C155
C136
Q116
R155
R156
C161
C138
R147
R148
C315
C314
C313
Q113
Q112
C295
R111
L101
C244
R250
Q121
D109
Q120
Q118
Q119
R239
R235
R249
C292
C270
C228
R200
R201
R191
R190
R189
R188
R198
C199
C200
C202
C193
C194
R186
RA122
100
RA124
8
9
L141
C226
R207
R205
R206
R210
L136
L137
C218
C227
C219
C231
C225
C103
R159
R182
C150
L107
L124
R104
R103
R102
R209
R223R224
R222C240
C310
R257
RA111
RA105
C264
C263
RA104
RA109RA108RA107RA106
RA103
RA110
4
3
5
1
C329
C239
R229
L105
L104
L104
C104
C166
C167
C198
C243
C299
C192
R208
C229
L151
R236
R269
R238
D102
D112
16
1
R162
C135
R251
C280
Q111
R110
CN107
CN110
CN112
C325
C327
RA112
RA113
RA121
RA123
RA101
C328
C262
C181
C184
C185
D111
Q122
R226
0.63A
F105
L144
L145
1
1
8
DG
1
2
7
+3.3V
R194
R252
R138
R122
Q114
R252
1
1
10
1
1
1
3
5
8
4
E
E
D107
+4V
KX-FL403UA DIGITAL BOARD COMPONENT VIEW
8
KX-FL403UA
2.2.2.
Digital Board (PCB1) / Bottom View
[Changed from original section “16.1.2. Bottom View”]
PFUP1526Y -A
PbF
A
E
E
E
37
36
25
24
13
A
U
TO-CH
PCB-CH
REF-CH
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
F103
C300
L102
Q101
Q110
C110
C271
C249
R246
R240
R211
C235
C220
C222
C221
L135
C209
C214
R203
L134
31
30
CN115
RA127
R248
C245
IC111
IC103
R132
R127
R171
R169
R169
L129
R174
R174
C168
TP_FRY
C164
R176
R164
R175
R126
C121
C116
C183
C182
100
X102
C133
C320
C319
C318
C318
C127
C253
C206
C208
R204
R221
1
16
R261
L154
2
1
1
C212
C217
50
51
C289
C288
C268
C233
R245
X103
IC109
R231
R234
F101
Q108
C195
C163
C149
C145
C153
L123
L148
L106
C165
C160
Q104
R184
R119
R117
R112
R105
2.0A
5
CN105
CN104
R237
R241 R243
L127
L128
L126
L149
L147
L125
C238
D110
C248
C242
24
1
IC114
IC105
C312
C246
C265
C137
C256
25
48
RA102
RA117
RA118
C162
C186
C189
C169
R168 R167
R267
R177
R166 R165
C170
C171
C187
C158
R263
R232
R258
R150
Q115
CN114
CN111
J101
BA
T101
T101
1
11
1
3
75
80
81
X105
C223
C230
C234
28
27
Q105
Q103
Q124
R123
E
24
C298
3.15A
F104
C297
C283
D105
D108
IC101
1
28
30
C131
1
7
1
C211
C215
TP_A15
TP_AMON
TP_NMI
TP_A14
TP_A13
C275
R160
R193
Q117
L109
L108
C141
144
1
C120
C123
C254
C152
C311
C175
IC106
C172
C180
C157
IC107
51
75
76
50
26
25
1
R259
R153
R151
R154
L157
L133
C267
L103
L158
L111
L112
L113
L114
L116
L115
R172
RA119
RA116
RA115
RA114
C174
72
73
36
37
C129
Q107
1
3
R163
R149
L119
L120
L121
L122
R157
R233
R143
C134
IC104
3.3V/BA
T
C109
R161
109
108
R199
C216
BOND
BOND
BOND
24.0
D108
X101
32.7
X104
24.0
C207
C205
R185
Q123
D
A101
C204
R195
C203
1
12
48
IC110
1
4
2
3
+5VD
R137
R125
C281
C282
C108
C278
C324
Q106
R120
R118
R116
R135
R136
R256
R128
R228
R220
C237
C176
C188
IC108
27
28
54
C178 C179
C201
C177
1
L142
L143
R114
R109
R106
Q102
L156
L155
2
8
4
58
C112
PG
C128
RA120
RA125
RA126
1
10
11
IC112
20
R133
R254
R253
IC113
C118
R134
21
7
8
14
R130
Q109
IC115
1
15
29
D104
D103
D101
C106
C102
C117
CN101
CN102
CN103
CN106
CN113
R131
C125
R113
22
C119
R129
C279
R192
R187
R202
CN109
CN108
L130
R197
R196
C196
C213
C151
C156
L110
R139
R158
R158
C274
C210
C255
8
9
C142
C144
C143
C140
C139
C154
C159
C155
C136
Q116
R155
R156
C161
C138
R147
R148
C315
C314
C313
Q113
Q112
C295
R111
L101
C244
R250
Q121
D109
Q120
Q118
Q119
R239
R235
R249
C292
C270
C228
R200
R201
R191
R190
R189
R188
R198
C199
C200
C202
C193
C194
R186
RA122
100
RA124
8
9
L141
C226
R207
R205
R206
R210
L136
L137
C218
C227
C219
C231
C225
C103
R159
R182
C150
L107
L124
R104
R103
R102
R209
R223R224
R222C240
C310
R257
RA111
RA105
C264
C263
RA104
RA109RA108RA107RA106
RA103
RA110
4
3
5
1
C329
C239
R229
L105
L104
L104
C104
C166
C167
C198
C243
C299
C192
R208
C229
L151
R236
R269
R238
D102
D112
16
1
R162
C135
R251
C280
Q111
R110
CN107
CN110
CN112
C325
C327
RA112
RA113
RA121
RA123
RA101
C328
C262
C181
C184
C185
D111
Q122
R226
0.63A
F105
L144
L145
1
1
8
DG
1
2
7
+3.3V
R194
R252
R138
R122
Q114
R252
1
1
10
1
1
1
3
5
8
4
E
E
D107
+4V
KX-FL403UA DIGITAL BOARD COMPONENT VIEW
9
KX-FL403UA
2.3.
REPLACEMENT PARTS LIST
2.3.1.
DIGITAL BOARD PARTS
[Changed from original section “12.3. DIGITAL BOARD
PARTS”]
Ref.
No.
Part No.
Part Name & Description
Remarks
PCB1
PNWP1FL403UA
DIGITAL BOARD ASS'Y
(ICs)
(ICs)
IC101 C0GBH0000023
IC
IC104 C0DBFYY00001
IC
IC105
PNWIFL403UA
IC (ROM)
IC106 C1CB00001551
IC
IC107 C3FBNY000007
IC
IC108 C3ABPY000011
IC
IC109 C1CB00001985
IC
IC111 C1CB00002267
IC
IC114 C0JBAZ001966
IC
(TRANSISTORS)
Q101
2SB1322 TRANSISTOR(SI) S
Q102
2SB1197K TRANSISTOR(SI) S
Q103
PQVTD143Z106 TRANSISTOR(SI) S
Q104
PQVTD143Z106 TRANSISTOR(SI) S
Q105
PQVTDTC143E TRANSISTOR(SI) S
Q106
B1ABDF000025 TRANSISTOR(SI)
Q107
B1ABDF000025 TRANSISTOR(SI)
Q108
PQVTD143Z106 TRANSISTOR(SI) S
Q109
PQVTD143Z106 TRANSISTOR(SI) S
Q110
PQVTDTC143E TRANSISTOR(SI) S
Q112
PQVTDTC143E TRANSISTOR(SI) S
Q113
PQVTD143Z106 TRANSISTOR(SI) S
Q115
PQVTDTA143XU TRANSISTOR(SI) S
Q116
B1ABDF000025 TRANSISTOR(SI)
Q118
PQVTDTC143E TRANSISTOR(SI) S
Q119
PQVTDTC143E TRANSISTOR(SI) S
Q120
2SB1197K TRANSISTOR(SI) S
Q121
2SB1197K TRANSISTOR(SI) S
Q122
2SD1820A TRANSISTOR(SI)
Q124
PQVTDTC143E TRANSISTOR(SI) S
IC103 B1HAGFF00015
TRANSISTOR(SI)
(DIODES)
D102
1SS133
DIODE(SI) S
D106
B0JCND000009 DIODE(SI)
D107
B0BA7R900004 DIODE(SI)
D108
MA111
DIODE(SI) S
D111
PQVDRLS73T DIODE(SI) S
D112
B0BA7R900004 DIODE(SI)
(BATTERY)
BAT101
BR2032/1HF1 LITHIUM BATTERY S
(CONNECTORS)
CN101 K1KA04AA0193
CONNECTOR, 4PIN
CN102 K1KA10A00412
CONNECTOR, 10PIN
CN103 K1KA08A00440
CONNECTOR, 8PIN
CN104 K1KA07AA0193
CONNECTOR, 7PIN
CN105 K1KA05A00364
CONNECTOR, 5PIN
CN106 K1KA05AA0193
CONNECTOR, 5PIN
CN107 K1KA07AA0193
CONNECTOR, 7PIN
CN109 PQJS08X53Z
CONNECTOR, 8PIN
CN110 K1KA08A00440
CONNECTOR, 8PIN
CN111 K1KA05A00452
CONNECTOR, 5PIN
CN112 K1KA02AA0193
CONNECTOR, 2PIN
CN113 K1KA03AA0193
CONNECTOR, 3PIN
CN114 K1KA03A00495
CONNECTOR, 3PIN
CN115 K1MN28AA0019
CONNECTOR, 28PIN
(CAPACITORS)
C102
SECUV1H104ZFV
0.1
C103
ECA1VM101 100p
C105
ECUV1C104ZFV 0.1
C106
ECA1VM101 100p
C107
ECUV1H104ZFV 0.1
C108
ECEA0JKA221 220
S
C109
PFCA1HYK331M 330p S
C110
ECUV1H104ZFV 0.1
C111
ECUV1H104ZFV 0.1
C112
ECA1VM101 100p
C115
ECUV1A105KBV 1
C116
ECUV1C104ZFV 0.1
C117
ECEA0JKA101 100
C119
ECUV1C104ZFV 0.1
C121
ECUV1C104ZFV 0.1
C123
ECUV1C104ZFV 0.1
C124
ECUV1H332KBV 0.0033
C125
ECA0JM101 100p
C126
ECUV1C104ZFV 0.1
C127
ECUV1C104ZFV 0.1
C129
ECEA0JKA221 220
S
C130
ECUV1H181JCV 180p
C131
ECUV1C104ZFV 0.1
C132
ECUV1H181JCV 180p
C133
ECUV1C104ZFV 0.1
C134
ECUV1C104ZFV 0.1
C135
ECUV1C104ZFV 0.1
C136
ECUV1C104ZFV 0.1
C137
ECUV1H102KBV 0.001
C138
ECUV1C104ZFV 0.1
C139
ECUV1C104ZFV 0.1
C141
ECUV1C104ZFV 0.1
C142
ECUV1C104ZFV 0.1
C143
ECUV1C104KBV 0.1
C144
ECUV1C104KBV 0.1
C145
ECUV1C104ZFV 0.1
C146
ECUV1C104KBV 0.1
C147
ECUV1C104KBV 0.1
C148
ECUV1C104KBV 0.1
C149
ECUV1C104ZFV 0.1
C151
ECUV1C104ZFV 0.1
C152
ECUV1H120JCV 12p
C153
ECUV1C104ZFV 0.1
C154
ECUV1C104ZFV 0.1
C155
ECUV1H120JCV 12p
C156
ECUV1C104ZFV 0.1
C157
ECUV1C104ZFV 0.1
C158
ECUV1H270JCV 27p
C159
ECUV1C104ZFV 0.1
C160
ECUV1C104ZFV 0.1
C161
ECUV1H102KBV 0.001
C162
ECUV1C104ZFV 0.1
C163
ECUV1H102KBV 0.001
C164
ECUV1C104ZFV 0.1
C165
ECUV1C104ZFV 0.1
C166
ECUV1C104ZFV 0.1
C167
ECUV1C104ZFV 0.1
C168
ECUV1C104ZFV 0.1
C172
ECUV1C104ZFV 0.1
C173
ECUV1C104ZFV 0.1
C174
ECUV1C104ZFV 0.1
C175
ECUV1C104ZFV 0.1
C176
ECUV1C104ZFV 0.1
C177
ECUV1H270JCV 27p
C178
ECUV1H270JCV 27p
C179
ECUV1C104ZFV 0.1
C180
ECUV1H680JCV 68p
C181
ECUV1C104ZFV 0.1
C182
ECUV1H120JCV 12p
C183
ECUV1H150JCV 15p
C184
ECUV1H150JCV 15p
C186
ECUV1C104ZFV 0.1
C187
ECUV1C104ZFV 0.1
C188
ECUV1C104ZFV 0.1
C189
ECUV1H270JCV 27p
C192
ECUV1C104KBV 0.1
C194
ECUV1H472KBV 0.0047
C195
ECEA1CKA100 10
C197
ECUV1H102KBV 0.001
C198
ECUV1C104ZFV 0.1
Ref.
No.
Part No.
Part Name & Description
Remarks
Click on the first or last page to see other KX-FL403UA (serv.man8) service manuals if exist.