Teradyne Z1800 Series, Руководство оператора

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1-28 SAFETY
Z1820
Z1820 Safety Notes—Front, Top and Right Side View
1. Fixture receiver
Hazardous voltages may be present on the fixture receiver.
•
Do not remove fixture top covers while a program is running. Power may be applied to
the board-under-test consequently placing you at risk.
• Keep fingers away from fixture receiver pins.
•
Remove rings, watches, and bracelets.
2. Operator control panel
Pressing the Cancel switch stops test execution and returns to the start of the program.
See the “Emergency Off Procedures” section for further details.
3. Test jack panel
•
The Power Control switch turns power to the tester on and off. When the Power Control
switch is off, the unswitched outlets are still powered. See the “Emergency Off
Procedures” section earlier in this chapter.
• When the analog debug LED is on, and the High Voltage option is installed, high
voltage may be present on the E, F, and G test points.
•
The wrist strap receptacle is provided for grounding the antistatic wrist strap. Connect
the wrist strap to one of the receptacles on the tester and wear it at all times when you
are working on the system, except when you are working on the AC power control or
when you are otherwise instructed.
4. Rear panel
4.1. Computer input The computer input connects the computer I/O cable to
tester.
4.2. Outlets 120 VAC outlets
Electrical hazard is present whenever the main AC breaker is on, and AC power
is connected to the power inlet.
Z1820
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