Kenwood NX-300 Service Manual page 13

DISASSEMBLY FOR REPAIR /
Perform the following work when you restore the water-
proof performance of the transceiver at the IP67 level after
the transceiver is repaired.
Attach the two pieces of double-sided
adhesive tape (J99-0727-04, J99-0728-04)
between the top packing and the chassis.
Apply the silicon grease (W05-1492-00) onto
the speaker part of the key top and around
the chassis.
Apply the silicon grease (W05-1492-00)
around the hole of the negative (-) terminal in
the rear of the chassis.
Perform "Leakage Location Identifi cation"
and identify the location where air is leaking.
Repair the location where air is leaking.
(step 8 of "Leakage Location Identifi cation")
Apply bond to the top of the left side screw
for the chassis and between the chassis and
the left side screw for the option board cover.
■ Repair procedure fl ow chart
Start
Water Resistance
Confirmation
(page 24)
OK
Disassembly
(page 14)
Replace the parts.
Reassembly
(page 17)
Water Resistance
Confirmation
(page 24)
OK
Attaching the water-resistant sheet
and black sheet.
(page 27)
End
Refer to page 15.
Refer to page 18.
Refer to page 19.
Refer to page 26.
Refer to page 27.
Refer to page 28.
NG
NG
Leakage location Indentification
(page 26)
Replace the indentified parts.
维修拆卸
在维修手持对讲机之后将其防水性能恢复到 I P67 等级时，
请执行以下操作。
在顶盖和底座之间贴上两块双面胶带 (J99-
0727-04，J99-0728-04)。
在键帽的扬声器部分上面和底座周围涂上硅
脂 (W05-1492-00)。
在底座后部的负 (-) 端子的孔周围涂上硅脂
(W05-1492-00)。
进行"泄漏位置确认" ，确定漏气位置。
对漏气位置进行维修。("泄漏位置确认"
的步骤 8)
在底座左侧螺丝的上面和底座与可选板盖的
左侧螺丝之间涂上粘合剂。
■维修步骤流程图
开始
防水性能确认
（第24页）
良好
拆卸
（第14页）
更换部件。
重新组装
（第17页）
防水性能确认
（第24页）
良好
安装防水片和黑色薄片。
（第27页）
结束
NX-300
请参阅第 15 页。
请参阅第 18 页。
请参阅第 19 页。
请参阅第 26 页。
请参阅第 27 页。
请参阅第 28 页。
不良
不良
泄漏位置确认
（第26页）
更换确认的部件。
13