1794 (B&K Precision) Datasheet资料下载 PDF(17/42 页)

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your area. Before you purchase check the electrical parts list for the proper value

rating, tolerance and description.

5.5.2 ORDERING PROCEDURE : When ordering replacement parts from B+K Inc.

please include the following minimum information :

Power Supply Type ( 1794 ).

Power Supply Serial Number ( For example, 03080001 ).

A description of the part ( if electrical include the circuit number ).

5.5.3 CIRCUIT BOARDS :

If a circuit board is damaged beyond repair, the entire

assembly including all soldered-on components can be replaced. To remove or

replace a board, proceed as follows :-

Disconnect all Sockets & leads connected to the board ( both soldered

lead connections and solderless pin connections ).

Remove all mounting screws holding the board in the instrument.Remove

any knobs, etc. that would prevent the board from being lifted out of the

instrument.

Lift the circuit board out of the unit. Do not force or bend the board.

To replace the board, reverse the order of removal. Use care when

replacing pin connectors. If forced into place incorrectly positioned, the

pin connectors may be damaged.

5.5.4 TRANSISTORS AND IC's : Transistors and IC's should not be replaced unless

they are actually defective. If removed from their sockets during routing

maintenance, return them to their original sockets. Unnecessary replacement or

switching of semiconductor devices may affect the calibration of the instruments.

When a transistor is replaced, check the operation of the part of the instrument that

may be affected.

Replacement semiconductors should be of the original type ora direct replacement.

When removing soldered-in transistors, use an approved anti-static suction-type

desoldering tool to remove the solder from the holes in the circuit board.

An extracting tool should be used to remove the 14 pin integrated circuits to pre-

vent damage to the pins. If an extracting the pins. Pull slowly and evenly on both

ends of the IC. Avoid having one end of the IC disengage from the socket before

the other end.

相关代理商/技术参数	参数描述
1794-0	制造商:Pomona Electronics 功能描述:
1794000000	功能描述:JUMPER ZQV 4N/3 BLACK RoHS:是类别:连接器，互连式 >> 接线座 - 配件 - 跳线系列:ZQV 标准包装:10 系列:- 类型:接线板－交叉连接位置数:4 样式:- 适用于相关产品:接线座其它名称:FBSTB 4-6
1-794006-0	制造商:TE Connectivity 功能描述:03P MINI UMNL HDR ASSY R/A LF - Bag 制造商:TE CONNECTIVITY 功能描述:
1794010000	功能描述:JUMPER ZQV 4N/4 RED RoHS:是类别:连接器，互连式 >> 接线座 - 配件 - 跳线系列:ZQV 标准包装:10 系列:- 类型:接线板－交叉连接位置数:4 样式:- 适用于相关产品:接线座其它名称:FBSTB 4-6
1794020000	功能描述:JUMPER ZQV 4N/4 BLUE RoHS:是类别:连接器，互连式 >> 接线座 - 配件 - 跳线系列:ZQV 标准包装:10 系列:- 类型:接线板－交叉连接位置数:4 样式:- 适用于相关产品:接线座其它名称:FBSTB 4-6

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