8.6. ITS (Integrated telephone System) and MONITOR SECTION
8.6.1. GENERAL
During the monitor operation, the speaker output passes through the power amplifier (IC519) [digital board].
The DTMF signal is output from the modem (IC505: digital board). The alarm tone, the key tone, bell tone, and beep are output
from gate array IC501 (digital board). During a pulse dial operation, the monitor tone is output from gate array IC501.
8.6.1.1. TELEPHONE MONITOR
1. Function
This is the function when you are not holding the handset and can hear the caller’s voice from the line.
2. Signal path
Refer to CHECK SHEET.
8.6.1.2. HANDSET CIRCUIT
1. Function
This circuit controls the conversation over the handset, i.e. the transmitted and received voices to and from the handset.
2. Signal path (Transmission signal)
Refer to CHECK SHEET.
3. Signal path (Reception signal)
Refer to CHECK SHEET.
8.6.1.3. MONITOR CIRCUIT
1. Function
This circuit monitors various tones, such as 1 DTMF tone,2 Alarm/Beep/Key tone/Bell.
2. Signal path
a. DTMF MONITOR
(Speaker Operation)
Refer to CHECK SHEET.
(Handset Operation)
Refer to CHECK SHEET.
b. ALARM/BEEP/KEY TONE/BELL
Refer to CHECK SHEET.
165
KX-FB423CN
Summary of Contents for KX-FB423CN
Page 36: ...36 KX FB423CN 5 2 拆卸工序 5 2 1 如何卸下载纸盘和文稿盖 ...
Page 37: ...37 KX FB423CN 5 2 2 如何卸下打印机盖 ...
Page 38: ...38 KX FB423CN 5 2 3 如何卸下热敏头 ...
Page 39: ...39 KX FB423CN 5 2 4 如何卸下底板和话筒叉簧 ...
Page 40: ...40 KX FB423CN 5 2 5 如何卸下数字板 模拟板 电源板 芦苇 SW 传感器板及 AC 插座 ...
Page 41: ...41 KX FB423CN 5 2 6 如何卸下压纸滚筒 锁杆和扬声器 ...
Page 42: ...42 KX FB423CN 5 2 7 如何卸下白板 5 2 8 如何卸下文稿引导板 ...
Page 43: ...43 KX FB423CN 5 2 9 如何卸下 ADF 继电器板 5 2 10 如何卸下输送滚筒和分离滚筒 ...
Page 44: ...44 KX FB423CN 5 2 11 如何卸下顶盖和传送块 ...
Page 45: ...45 KX FB423CN 5 2 12 如何卸下 ADF 马达和 PF 传感器板 5 2 13 如何卸下 ADF 出口滚筒和驱动滚筒 ...
Page 46: ...46 KX FB423CN 5 2 14 如何卸下拾取滚筒 ...
Page 47: ...47 KX FB423CN 5 2 15 如何卸下退出滚筒和压纸滚筒 ...
Page 48: ...48 KX FB423CN 5 2 16 如何卸下操作板 ...
Page 49: ...49 KX FB423CN 5 2 17 如何卸下扫描仪玻璃装置 CIS 和载纸盘块 ...
Page 50: ...50 KX FB423CN 5 2 18 如何卸下 CIS 继电器板和 CIS 传感器板 5 2 19 如何卸下托架马达和扫描马达驱动板 ...
Page 51: ...51 KX FB423CN 5 2 20 如何卸下载纸盘块的组件 ...
Page 52: ...52 KX FB423CN 5 3 装配注意事项 ...
Page 53: ...53 KX FB423CN 5 4 引线的安装位置 ...
Page 54: ...54 KX FB423CN ...
Page 55: ...55 KX FB423CN ...
Page 63: ...63 KX FB423CN 6 3 3 打印测试图 1 压纸滚筒 2 左边 顶边 3 热敏头1小点 4 使用此测试图以确认印字薄膜和压纸滚筒定时的转矩限制 器 ...
Page 67: ...67 KX FB423CN 6 4 3 用户方式 下表是本机打印的系统调配表的例子 注 以上值是缺省值 ...
Page 68: ...68 KX FB423CN 6 4 4 维修方式设定 打印表举例 注 以上值均为缺省值 ...
Page 69: ...69 KX FB423CN 6 4 5 存档 打印表举例 注 见此报告的以下说明 项目号 1 46 相应于 6 4 5 1 存档报告说明 P 70 中所列的项目 ...
Page 78: ...78 KX FB423CN 图 C ...
Page 82: ...82 KX FB423CN 6 5 5 ADF 文件自动输送 部分 6 5 5 1 不输送文件 文稿卡纸和文稿多张输送 相互参考 6 5 11 传感器部分 P 113 ...
Page 83: ...83 KX FB423CN 相互参考 6 5 12 马达部分 P 116 ...
Page 84: ...84 KX FB423CN 6 5 5 2 歪斜 6 5 5 2 1 ADF 文件自动输送 ...
Page 86: ...86 KX FB423CN 6 5 5 5 接收或复印的资料被扩大 6 5 5 6 复印出现出黑或白色垂直线 ...
Page 89: ...89 KX FB423CN 6 5 6 1 传真故障部分 6 5 6 1 1 传送故障 相互参考 6 5 5 ADF 文件自动输送 部分 P 82 6 5 10 操作板部分 P 112 ...
Page 90: ...90 KX FB423CN 6 5 6 1 2 有时出现传送故障 注 596 Transmit level set 表示维修代码 参考 6 2 3 维修功能表 P 59 ...
Page 92: ...92 KX FB423CN 6 5 6 1 4 本机能复印但不能传送接收 相互参考 6 3 测试功能 P 61 6 5 9 模拟板部分 P 110 ...
Page 96: ...96 KX FB423CN 6 5 7 3 打印举例 ...
Page 97: ...97 KX FB423CN ...
Page 99: ...99 KX FB423CN 对策 ...
Page 100: ...100 KX FB423CN 相互参考 6 3 测试功能 P 61 ...
Page 101: ...101 KX FB423CN 相互参考 6 3 测试功能 P 61 ...
Page 102: ...102 KX FB423CN 相互参考 6 3 测试功能 P 61 ...
Page 103: ...103 KX FB423CN 相互参考 6 3 测试功能 P 61 ...
Page 104: ...104 KX FB423CN ...
Page 105: ...105 KX FB423CN ...
Page 106: ...106 KX FB423CN 相互参考 6 3 测试功能 P 61 ...
Page 107: ...107 KX FB423CN 6 5 7 5 检查数字板的状况 请检查测试触点 A 和 B 的状况 结果会告诉您有个故障点 ...
Page 109: ...109 KX FB423CN 相互参考 6 5 7 5 检查数字板的状况 P 107 ...
Page 115: ...115 KX FB423CN 10 检查 CIS 位置传感器 ADF 内侧 11 检查 CIS 位置传感器 FB 内侧 ...
Page 116: ...116 KX FB423CN 6 5 12 马达部分 6 5 12 1 RX 马达 相互参考 5 2 6 如何卸下压纸滚筒 锁杆和扬声器 P 41 6 5 15 电源板部分 P 121 ...
Page 117: ...117 KX FB423CN 6 5 12 2 ADF 马达 相互参考 6 5 15 电源板部分 P 121 ...
Page 118: ...118 KX FB423CN 6 5 12 3 CR 马达 相互参考 6 5 15 电源板部分 P 121 ...
Page 119: ...119 KX FB423CN 6 5 13 CIS 接触式图像传感器 部分 相互参考 6 3 测试功能 P 61 ...
Page 120: ...120 KX FB423CN 6 5 14 热敏头部分 ...
Page 122: ...122 KX FB423CN 6 5 15 2 故障检修流程图 ...
Page 124: ...124 KX FB423CN 7 电路操作 7 1 接线图 7 1 1 接线图 1 ...
Page 125: ...125 KX FB423CN 7 1 2 电源流程 ...
Page 127: ...127 KX FB423CN ...
Page 139: ...139 KX FB423CN 1 1 2 相激励 2 1 2 相激励输出波形 例 A 相 ...
Page 140: ...140 KX FB423CN 7 5 1 2 动力马达的驱动电路 1 电路图 ...
Page 156: ...156 KX FB423CN ...
Page 157: ...157 KX FB423CN 限于 ASF 复印 方式 精细 打印速度随文件上黑色部分的比率而变化 示例 第 1 条线的黑色部分为 50 或更少 第 2 条线的黑色部分为 50 或更多 ...
Page 158: ...158 KX FB423CN 书籍复印 ASF 复印 精细方式除外 接收打印 ...
Page 159: ...159 KX FB423CN 8 基准资料数据 8 1 IC 的晶体管和二极管的终端指南 ...
Page 163: ...163 KX FB423CN 8 3 1 不正常例子 ...
Page 169: ...169 KX FB423CN b 冗余压缩过程编码方式 本机使用一维 MH 格式 ...
Page 174: ...174 KX FB423CN 8 7 测试图表 8 7 1 ITU T 1 号测试图 ...
Page 175: ...175 KX FB423CN 8 7 2 ITU T 2 号测试图 ...
Page 176: ...176 KX FB423CN 9 夹具和工具 ...
Page 177: ...177 KX FB423CN 10 机壳 机械零件和电气元件位置 10 1 综合部分 ...
Page 178: ...178 KX FB423CN 10 2 上部 ADF 部分 ...
Page 179: ...179 KX FB423CN 10 3 传送块部分 ...
Page 180: ...180 KX FB423CN 10 4 下部 ADF 部分 ...
Page 181: ...181 KX FB423CN 10 5 上部打印机盖和载纸盘部分 ...
Page 182: ...182 KX FB423CN 10 6 下部打印机盖部分 ...
Page 183: ...183 KX FB423CN 10 7 记录纸通过部分 ...
Page 184: ...184 KX FB423CN 10 8 上部主机壳部分 ...
Page 185: ...185 KX FB423CN 10 9 下部主机壳部分 ...
Page 186: ...186 KX FB423CN 10 10 螺丝和垫圈的实际尺寸 ...
Page 187: ...187 KX FB423CN 11 附件和包装材料 ...
Page 243: ...5 2 DISASSEMBLY PROCEDURE 5 2 1 HOW TO REMOVE THE PAPER TRAY AND DOCUMENT COVER 32 KX FB423CN ...
Page 244: ...5 2 2 HOW TO REMOVE THE PRINTER COVER 33 KX FB423CN ...
Page 245: ...5 2 3 HOW TO REMOVE THE THERMAL HEAD 34 KX FB423CN ...
Page 246: ...5 2 4 HOW TO REMOVE THE BOTTOM FRAME AND HANDSET CRADLE 35 KX FB423CN ...
Page 248: ...5 2 6 HOW TO REMOVE THE MOTOR BLOCK LOCK LEVER AND SPEAKER 37 KX FB423CN ...
Page 249: ...5 2 7 HOW TO REMOVE THE WHITE SHEET 5 2 8 HOW TO REMOVE THE DOCUMENT GUIDES 38 KX FB423CN ...
Page 251: ...5 2 11 HOW TO REMOVE THE TOP COVER AND CONVEYOR BLOCK 40 KX FB423CN ...
Page 253: ...5 2 14 HOW TO REMOVE THE PICK UP ROLLER 42 KX FB423CN ...
Page 254: ...5 2 15 HOW TO REMOVE THE EXIT ROLLER AND PLATEN ROLLER 43 KX FB423CN ...
Page 255: ...5 2 16 HOW TO REMOVE THE OPERATION BOARD 44 KX FB423CN ...
Page 256: ...5 2 17 HOW TO REMOVE THE SCANNER GLASS UNIT CIS AND PAPER TRAY BLOCK 45 KX FB423CN ...
Page 258: ...5 2 20 HOW TO REMOVE THE COMPONENT PARTS OF PAPER TRAY BLOCK 47 KX FB423CN ...
Page 259: ...5 3 NOTE FOR ASSEMBLING 48 KX FB423CN ...
Page 260: ...5 4 INSTALLATION POSITION OF THE LEAD 49 KX FB423CN ...
Page 261: ...50 KX FB423CN ...
Page 262: ...51 KX FB423CN ...
Page 283: ...72 KX FB423CN ...
Page 288: ...CROSS REFERENCE MOTOR SECTION P 109 77 KX FB423CN ...
Page 289: ...6 5 5 2 1 ADF 6 5 5 2 SKEW 78 KX FB423CN ...
Page 301: ...90 KX FB423CN ...
Page 303: ...92 KX FB423CN ...
Page 304: ...CROSS REFERENCE TEST FUNCTIONS P 57 93 KX FB423CN ...
Page 305: ...CROSS REFERENCE TEST FUNCTIONS P 57 94 KX FB423CN ...
Page 306: ...CROSS REFERENCE TEST FUNCTIONS P 57 95 KX FB423CN ...
Page 307: ...CROSS REFERENCE TEST FUNCTIONS P 57 96 KX FB423CN ...
Page 308: ...97 KX FB423CN ...
Page 309: ...98 KX FB423CN ...
Page 310: ...CROSS REFERENCE TEST FUNCTIONS P 57 99 KX FB423CN ...
Page 311: ...6 5 7 5 CHECK THE STATUS OF THE DIGITAL BOARD 100 KX FB423CN ...
Page 313: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD P 100 102 KX FB423CN ...
Page 321: ...6 5 12 2 ADF MOTOR CROSS REFERENCE POWER SUPPLY BOARD SECTION P 114 110 KX FB423CN ...
Page 322: ...6 5 12 3 CR MOTOR CROSS REFERENCE POWER SUPPLY BOARD SECTION P 114 111 KX FB423CN ...
Page 323: ...6 5 13 CIS Contact Image Sensor SECTION CROSS REFERENCE TEST FUNCTIONS P 57 112 KX FB423CN ...
Page 324: ...6 5 14 THERMAL HEAD 113 KX FB423CN ...
Page 326: ...6 5 15 2 TROUBLESHOOTING FLOW CHART 115 KX FB423CN ...
Page 328: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 7 1 1 CONNECTION DIAGRAM 1 117 KX FB423CN ...
Page 329: ...7 1 2 POWER SUPPLY FLOW 118 KX FB423CN ...
Page 331: ...120 KX FB423CN ...
Page 343: ... 3 1 2 phase excitation 4 2 phase excitation output waveform example A phase 132 KX FB423CN ...
Page 344: ...7 5 1 2 ENGINE MOTOR DRIVE CIRCUIT 1 Circuit Diagram 133 KX FB423CN ...
Page 360: ...149 KX FB423CN ...
Page 362: ...Book Copy ASF Copy Except Fine mode RX printing 151 KX FB423CN ...
Page 367: ...8 3 1 NG EXAMPLE 156 KX FB423CN ...
Page 378: ...8 7 TEST CHART 8 7 1 ITU T No 1 TEST CHART 167 KX FB423CN ...
Page 379: ...8 7 2 ITU T No 2 TEST CHART 168 KX FB423CN ...
Page 380: ...9 FIXTURES AND TOOLS 169 KX FB423CN ...
Page 381: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 170 KX FB423CN ...
Page 382: ...10 2 UPPER ADF SECTION 171 KX FB423CN ...
Page 383: ...10 3 CONVERYOR BLOCK SECTION 172 KX FB423CN ...
Page 384: ...10 4 LOWER ADF SECTION 173 KX FB423CN ...
Page 385: ...10 5 UPPER PRINTER COVER SECTION AND PAPER TRAY SECTION 174 KX FB423CN ...
Page 386: ...10 6 LOWER PRINTER COVER SECTION 175 KX FB423CN ...
Page 387: ...10 7 PAPER PASS SECTION 176 KX FB423CN ...
Page 388: ...10 8 UPPER MAIN CABINET SECTION 177 KX FB423CN ...
Page 389: ...10 9 LOWER MAIN CABINET SECTION 178 KX FB423CN ...
Page 390: ...10 10 ACTUAL SIZE OF SCREWS 179 KX FB423CN ...
Page 391: ...11 ACCESSORIES AND PACKING MATERIALS 180 KX FB423CN ...
Page 409: ...198 KX FB423CN ...
Page 410: ...15 SCHEMATIC DIAGRAM 15 1 DIGITAL BOARD PCB1 KX FB423CN 199 ...
Page 411: ...15 2 ANALOG BOARD PCB2 KX FB423CN 200 ...
Page 415: ...204 KX FB423CN Y KXFB423CN ...