Kenwood NXR-800H Service Manual page 98

NXR-800H
Confi guration in communication port
Communication speed: 115200bps
Data Length: 8-bit
Parity: None
Stop bits: 1
Flow control: Hardware
f) Apply 13.2VDC to NXR-800H. When BGA ICs mounted in
this control unit works correctly, the following messages
appears on the screen of communication software. If the
software doesn't show below messages, it's supposed
that BGA package IC is broken.
NEXEDGE IPL 1.00 *1
COPYRIGHT KENWOOD CORPORATION
2007 ALL RIGHTS RESERVED
CPU[R] Version 1.00 *2
CPU[M] Version 1.00 *3
*1: Appearing this information means the boot program
in Main MPU (IC703) is correctly working.
*2: Appearing this information means the boot program
at the RF control MPU (IC34) is correctly working.
*3: Appearing this information means the boot program
at the Modem control in MPU(IC325) is correctly
working.
Note: IPL and CPU[R], CPU[M] version will be updated by
any modifi cation or improvement in future.
g) After that slide the tab on DIP_SW4 to OFF position, be-
fore close the top cover of control unit.
98
TROUBLE SHOOTING /
Default position of
DIP SW (S700)
DIP SW(S700)的默认位置 将SW4滑到"ON"位置
4 3 2 1
OFF
ON
Control unit / 控制单元 (X53-4140-10)
Component side / 元件面
Fig. 1 / 图 1
VOL
T
BLE
A cross-wired
COM OFF/
RS-232C cable
RS-232C交叉电缆
Front panel
前面板
Fig. 2 / 图 2
故障排除
通信端口的配置
通信速度 : 115200bps
数据长度 : 8-bit
奇偶校验 : 无
停止位 : 1
流量控制 : 硬件
f) 对 N X R -800H 施加 13.2V D C。当控制单元内安装的 B G A I C
正常工作时 , 通信软件画面上会出现以下讯息。如果软件
不出现以下信息，则可能是 BGA 封装 IC 已损坏。
NEXEDGE IPL 1.00 *1
COPYRIGHT KENWOOD CORPORATION
2007 ALL RIGHTS RESERVED
CPU[R] Version 1.00 *2
CPU[M] Version 1.00 *3
*1: 出现此信息表示主 MPU(IC703) 工作正常。
*2: 出现此信息表示 RF 控制 MPU(IC34) 工作正常。
*3: 出现此信息表示调制解调器控制 MPU(IC325) 工作正常。
注意 : IPL 和 CPU[R]、CPU[M] 的版本将来会通过改进予以
更新。
g) 然后，在关闭控制单元的顶盖之前，将 D I P _ S W4 上的突起
滑到 OFF 位置。
Slide SW4 to
"ON" position
4 3 2 1
OFF
ON
DIP SW
(S700)
PC