Kenwood NEXEDGE NX-220, Service Manual, Page: 2 / 118

NX-220
2
CONTENTS /
目录
Document Copyrights
Copyright 2011 by Kenwood Corporation. All rights re-
served.
No part of this manual may be reproduced, translated,
distributed, or transmitted in any form or by any means,
electronic, mechanical, photocopying, recording, or other-
wise, for any purpose without the prior written permission
of Kenwood.
Disclaimer
While every precaution has been taken in the preparation
of this manual, Kenwood assumes no responsibility for er-
rors or omissions. Neither is any liability assumed for dam-
ages resulting from the use of the information contained
herein. Kenwood reserves the right to make changes to any
products herein at any time for improvement purposes.
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未经 K e n w o o d 公司预先书面同意，无论出于何种目的，均
不得以任何形式或任何方式包括电子、机械、影印、录音或
其他方式复制、翻译、分发或传播本手册的任何部分。
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而随时对文中的产品信息做出更改的权利。
概 述 ........................................................................ 3
系统体系 ........................................................................ 4
模式组合 ........................................................................ 5
维修拆卸 ......................................................................10
电路说明 ......................................................................17
元件说明 ......................................................................25
端子功能 ......................................................................28
零 件 表 ......................................................................31
部件分解图 .................................................................40
包 装 ......................................................................41
故障排除 ......................................................................43
调 整 ......................................................................49
印刷电路板
显示单元 (X54-3760-XX) ..............................86
收发单元 (X57-8040-10) ...............................90
电 平 图 ......................................................................94
互 连 图 ......................................................................95
原 理 图 ......................................................................96
方 块 图 ................................................................... 106
可选附件
KNB-55L( 锂离子电池 ) ............................... 109
KNB-57L( 锂离子电池 ) ............................... 109
规 格 ................................................................... 111
GENERAL .....................................................3
SYSTEM SET-UP .........................................4
REALIGNMENT ...........................................5
DISASSEMBLY FOR REPAIR ....................10
CIRCUIT DESCRIPTION ............................17
COMPONENTS DESCRIPTION .................25
TERMINAL FUNCTION .............................28
PARTS LIST ...............................................31
EXPLODED VIEW ......................................40
PACKING ....................................................41
TROUBLE SHOOTING ..............................42
ADJUSTMENT ..........................................48
PC BOARD
DISPLAY UNIT (X54-3760-XX) ..............86
TX-RX UNIT (X57-8040-10) ...................90
LEVEL DIAGRAM ......................................94
INTERCONNECTION DIAGRAM ..............95
SCHEMATIC DIAGRAM ............................96
BLOCK DIAGRAM ...................................106
OPTIONAL ACCESSORIES
KNB-55L (Li-ion Battery Pack) ............109
KNB-57L (Li-ion Battery Pack) ............109
SPECIFICATIONS ....................................110