210
KX-FC255CX-S
18.2. Analog Board (PCB2)
+5V
+5V
+24V
+2V
( )
D111
( )
( )
D112
T101
1
2
3
4
6
Z0.1u
C182
J107
C140
( )
C142
( )
C143
( )
C144
( )
C145
( )
( )
C150
( )
C148
R144
R145
( )
( )
( )
R146
( )
R147
( )
R149
( )
R150
( )
R151
6.3V 100u
C181
R165
12k
C180
6.3V 100u
C179
Z0.1u
Z0.1u
C138
NC
C124
( )
( )
C125
L110
L112
( )
( )
L113
L114
( )
( )
L115
50V 4.7u
C169
( )
C147
( )
C151
( )
C152
C153
( )
C154
( )
R152
-5V
+5V
+5V
-5V
( )
C188
( )
C183
( )
C184
( )
C186
( )
C185
( )
R197
( )
R198
( )
R200
( )
R199
NC
5
6
7
NC
1
2
3
4
8
( )
D113
( )
D114
+5V
( )
R212
-5V
( )
D115
( )
C194
( )
C189
( )
C192
( )
R124
+2V
10k
R153
( )
C191
( )
C193
( )
D116
( )
D117
( )
C187
( )
NC
1
2
3
4
8
NC
5
6
7
NC
5
6
7
NC
1
2
3
4
8
( )
( )
C126
+5V
+5V
D10p
C160
( )
( )
C141
( )
C146
( )
C149
C156
NC
NC
1
2
3
4
8
5
6
7
L111
1
2
3
4
8
+5V
5
6
7
+2V
D10p
C132
K0.1u
C157
( )
R207
CN105
1
SP(+)
2
SP(-)
-5V
DA102
NC
1
2
3
DA103
NC
1
2
3
Q110
PC105
NC
1
2
3
4
CN106
1
REED
2
GND
3
PTOP
4
COVEROPEN
( )
R148
D10p
C119
C123
NC
R131
100
R132
100
C130
K0.1u
C134
K0.1u
J680p
C162
47K
R154
R166
10K
( )
R201
( )
R202
( )
R194
( )
R190
( )
R208
( )
R209
( )
R193
( )
R189
( )
R196
( )
R192
( )
R195
( )
R191
( )
R204
( )
R210
( )
R203
( )
R211
( )
R205
( )
R213
( )
R206
( )
R214
CN104
1
PTOP
2
REED
3
COVEROPEN
4
SP(+)
5
SP(-)
6
-5V
7
LINE_P
8
LINE_M
CN103
1
LINETX
2
MONRX
3
MDMRX
4
BBRX
5
+5V
6
BREAK
7
P-SHORT
8
DCN
9
LINERLY
10
CLIPRLY/HSALC
11
BELL
12
AG
13
+24V
14
DG
15
CPC
J47p
C120
D118
24V
J100p
C196
J100p
C197
50V 4.7u
C121
4.7K
R126
R133
1K
R134
1K
2.4K
R135
2.4K
R136
NC
C127
K0.033u
C128
R138
12K
R140
12K
27K
R142
27K
R141
J470p
C136
J470p
C137
DA104
1
2
3
TO DIGITAL BOARD
IC103
-1
IC103
-2
IC104
-2
IC104
-1
IC106
-1
IC106
-2
IC105
-2
IC105
-1
IC101
-1
IC101
-2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
12V
2V
Summary of Contents for KX-FC255CX-S
Page 18: ...18 KX FC255CX S 6 4 2 Block Diagram ...
Page 20: ...20 KX FC255CX S ...
Page 56: ...56 KX FC255CX S 9 2 Cordless Handset Programming 9 2 1 Cordless Handset Features ...
Page 57: ...57 KX FC255CX S Note Refer to Program Mode Table P 98 ...
Page 65: ...65 KX FC255CX S 11 2 Handset ...
Page 68: ...68 KX FC255CX S 11 3 2 Service Mode Settings Note The above values are the default values ...
Page 76: ...76 KX FC255CX S Countermeasure ...
Page 77: ...77 KX FC255CX S REFERENCE Test Mode P 58 ...
Page 78: ...78 KX FC255CX S REFERENCE Test Mode P 58 ...
Page 79: ...79 KX FC255CX S REFERENCE Test Mode P 58 ...
Page 80: ...80 KX FC255CX S REFERENCE Test Mode P 58 ...
Page 81: ...81 KX FC255CX S ...
Page 82: ...82 KX FC255CX S REFERENCE Test Mode P 58 ...
Page 83: ...83 KX FC255CX S REFERENCE Test Mode P 58 ...
Page 87: ...87 KX FC255CX S ...
Page 112: ...112 KX FC255CX S ...
Page 119: ...119 KX FC255CX S I O and Pin No Diagram ...
Page 121: ...121 KX FC255CX S Other NG example while the power is ON and the LCD displays the following ...
Page 122: ...122 KX FC255CX S 12 5 5 2 NG Example ...
Page 126: ...126 KX FC255CX S 12 5 7 2 Troubleshooting Flow Chart ...
Page 132: ...132 KX FC255CX S 12 5 11 Thermal Head Section Note Refer to Thermal Head P 19 ...
Page 140: ...140 KX FC255CX S 13 Service Fixture Tools ...
Page 145: ...145 KX FC255CX S 14 3 Disassembly Procedure 14 3 1 How to Remove the Image Sensor CIS ...
Page 146: ...146 KX FC255CX S 14 3 2 How to Remove the Thermal Head ...
Page 147: ...147 KX FC255CX S ...
Page 148: ...148 KX FC255CX S 14 3 3 How to Remove the Bottom Frame ...
Page 149: ...149 KX FC255CX S 14 3 4 How to Remove the P C Boards and Speaker ...
Page 150: ...150 KX FC255CX S 14 3 5 How to Remove the Power Supply Board and AC Cord ...
Page 151: ...151 KX FC255CX S 14 3 6 How to Remove the Gear Block and Separation Roller ...
Page 152: ...152 KX FC255CX S 14 3 7 How to Remove the Gears Motors and Arms of the Gear Block ...
Page 153: ...153 KX FC255CX S ...
Page 154: ...154 KX FC255CX S 14 3 8 How to Remove the Cradle and Hook Switch Board ...
Page 155: ...155 KX FC255CX S 14 3 9 How to Remove the Back Cover ...
Page 156: ...156 KX FC255CX S 14 3 10 How to Remove the Platen Roller and Lock Lever ...
Page 157: ...157 KX FC255CX S ...
Page 158: ...158 KX FC255CX S 14 3 11 How to Remove the Pickup Roller and Antenna ...
Page 159: ...159 KX FC255CX S 14 3 12 How to Remove the Operation Panel ...
Page 160: ...160 KX FC255CX S 14 3 13 How to Remove the Operation Board MIC Board and LCD ...
Page 161: ...161 KX FC255CX S 14 3 14 How to Remove the Separation Holder and Exit Roller ...
Page 162: ...162 KX FC255CX S 14 3 15 Installation Position of the Lead Wires 14 3 15 1 Lower Section ...
Page 163: ...163 KX FC255CX S ...
Page 164: ...164 KX FC255CX S ...
Page 165: ...165 KX FC255CX S ...
Page 166: ...166 KX FC255CX S 14 3 15 2 Operation Panel Section ...
Page 167: ...167 KX FC255CX S 14 3 15 3 Back Cover Section ...
Page 168: ...168 KX FC255CX S 14 3 16 How to Remove the Cordless Handset Board ...
Page 169: ...169 KX FC255CX S 14 3 16 1 Fix the LCD to the Cordless Handset Board ...
Page 170: ...170 KX FC255CX S 14 3 17 How to Remove the Charger Board ...
Page 199: ...199 KX FC255CX S 17 1 6 Cordless Handset Board ...
Page 202: ...202 KX FC255CX S 17 3 Test Chart 17 3 1 ITU T No 1 Test Chart ...
Page 203: ...203 KX FC255CX S 17 3 2 ITU T No 2 Test Chart ...
Page 204: ...204 KX FC255CX S 17 3 3 Test Chart ...
Page 205: ...205 KX FC255CX S MEMO ...
Page 236: ...236 KX FC255CX S 21 1 2 Operation Panel Section ...
Page 237: ...237 KX FC255CX S 21 1 3 Upper Cabinet Section ...
Page 238: ...238 KX FC255CX S 21 1 4 Back Cover Section ...
Page 239: ...239 KX FC255CX S ...
Page 240: ...240 KX FC255CX S 21 1 5 Lower Cabinet Section ...
Page 241: ...241 KX FC255CX S 21 1 6 Gear Block Section ...
Page 242: ...242 KX FC255CX S ...
Page 244: ...244 KX FC255CX S 21 1 8 Charger Section ...
Page 245: ...245 KX FC255CX S 21 1 9 Screws ...