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參數(shù)資料
| 型號： | RS24N* |
| 英文描述： | Monitor_ICs:BA7657F AD9883AKST-110 MSP3451G AD9884AKS-140 BA7078AF VPC3230D-C5 Z86129 FST3257 4S643232 FST16233MTD FLI2200 DS1834 80251G2 JAG200MXHD AD5301B DS90C387VJD IRU1030-33CM |
| 中文描述： | Monitor_ICs：BA7657F AD9883AKST - 110 MSP3451G AD9884AKS - 140 BA7078AF VPC3230D -碳五Z86129 FST3257 4S643232 FST16233MTD FLI2200 DS1834 80251G2 JAG200MXHD AD5301B DS90C387VJD IRU1030 - 33厘米 |
| 文件頁數(shù)： | 54/55頁 |
| 文件大?。?/td> | 4945K |
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1-2-1 General Servicing Precautions
1.
Always unplug the unit’s AC power cord from the
AC power source and disconnect the DC Power
Jack before attempting to:
(a) remove or reinstall any component or assembly,
(b) disconnect PCB plugs or connectors, (c) connect
a test component in parallel with an electrolytic
capacitor.
Some components are raised above the printed
circuit board for safety. An insulation tube or tape
is sometimes used. The internal wiring is
sometimes clamped to prevent contact with
thermally hot components. Reinstall all such
elements to their original position.
3. After servicing, always check that the screws,
components and wiring have been correctly
reinstalled. Make sure that the area around the
serviced part has not been damaged.
2.
1.
Immediately before handling any semiconductor
components or assemblies, drain the electrostatic
charge from your body by touching a known earth
ground. Alternatively, wear a discharging wrist-
strap device. To avoid a shock hazard, be sure to
remove the wrist strap before applying power to
the monitor.
After removing an ESD-equipped assembly, place it
on a conductive surface such as aluminum foil to
prevent accumulation of an electrostatic charge.
Do not use freon-propelled chemicals. These can
generate electrical charges sufficient to damage
ESDs.
Use only a grounded-tip soldering iron to solder or
desolder ESDs.
Use only an anti-static solder removal device. Some
solder removal devices not classified as “anti-static”
can generate electrical charges sufficient to damage
ESDs.
2.
3.
4.
5.
4.
Check the insulation between the blades of the AC
plug and accessible conductive parts (examples:
metal panels, input terminals and earphone jacks).
Insulation Checking Procedure: Disconnect the
power cord from the AC source and turn the power
switch ON. Connect an insulation resistance meter
(500 V) to the blades of the AC plug.
The insulation resistance between each blade of the
AC plug and accessible conductive parts (see
above) should be greater than 1 megohm.
Always connect a test instrument’s ground lead to
the instrument chassis ground before connecting
the positive lead; always remove the instrument’s
ground lead last.
5.
6.
6.
Do not remove a replacement ESD from its
protective package until you are ready to install it.
Most replacement ESDs are packaged with leads
that are electrically shorted together by conductive
foam, aluminum foil or other conductive materials.
Immediately before removing the protective
material from the leads of a replacement ESD,
touch the protective material to the chassis or
circuit assembly into which the device will be
installed.
Caution:
Be sure no power is applied to the
chassis or circuit and observe all
other safety precautions.
7.
8.
Minimize body motions when handling
unpackaged replacement ESDs. Motions such as
brushing clothes together, or lifting your foot from
a carpeted floor can generate enough static
electricity to damage an ESD.
1 Precautions
1-2
RS21N*/RS24N*
CONFIDENTIAL
1-3 Electrostatically Sensitive Devices (ESD) Precautions
Some semiconductor (solid state) devices can be easily damaged by static electricity. Such components are commonly
called Electrostatically Sensitive Devices (ESD). Examples of typical ESD devices are integrated circuits and some field-
effect transistors. The following techniques will reduce the incidence of component damage caused by static electricity.
1-2 Servicing Precautions
WARNING:
An electrolytic capacitor installed with the wrong polarity might explode.
Caution:
Before servicing units covered by this service manual, read and follow the Safety Precautions
section of this manual.
Note:
If unforeseen circumstances create conflict between the following servicing precautions and any of the
safety precautions, always follow the safety precautions.
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PDF描述 |
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| RS232 | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
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| RSH7F.060013 | NICD ZELLE 1.2V 7AH |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS24P | 制造商:ITW Switches 功能描述: |
| RS2-4TX EEC | 制造商:HIRSCHMANN INDUSTRIAL 功能描述:Ethernet Switch, Unmanaged, DIN Rail, 4xRJ45, 10/100 Mbps, Alarms, -40c to +70c |
| RS2-4TX/1FX | 制造商:L COM 功能描述:SWTC 10/100MB 4-RJ45, 1MM SC 制造商:L-com Inc 功能描述:SWTC 10/100MB 4-RJ45, 1MM SC |
| RS2-4TX/1FX EEC | 制造商:Hirschmann Electronics GmbH & Co Kg 功能描述:Ethernet, Switch, Unmanaged, DIN Rail, 4XRJ45 10/100 MBPS Port, 1X100MBPS Fbr Port |
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