TDS 500B, 600B and TDS 700A Service Manual
xiii
Service Safety Summary
Only qualified personnel should perform service procedures. Read this Service
Safety Summary and the General Safety Summary before performing any service
procedures.
Do not perform internal service or adjustments of this product unless another
person capable of rendering first aid and resuscitation is present.
To avoid electric shock, disconnect the main power by means of the power cord
or, if provided, the power switch.
To avoid electric shock or injury, use extreme caution when handling the CRT.
Only qualified personnel familiar with CRT servicing procedures and precautions
should remove or install the CRT.
CRTs retain hazardous voltages for long periods of time after power is turned off.
Before attempting any servicing, discharge the CRT by shorting the anode to
chassis ground. When discharging the CRT, connect the discharge path to ground
and then the anode. Rough handling may cause the CRT to implode. Do not nick
or scratch the glass or subject it to undue pressure when removing or installing it.
When handling the CRT, wear safety goggles and heavy gloves for protection.
Dangerous voltages or currents may exist in this product. Disconnect power,
remove battery (if applicable), and disconnect test leads before removing
protective panels, soldering, or replacing components.
To avoid electric shock, do not touch exposed connections.
To avoid x-radiation exposure, do not modify or otherwise alter the high-voltage
circuitry or the CRT enclosure. X-ray emissions generated within this product
have been sufficiently shielded.
Do Not Service Alone
Disconnect Power
Use Caution When
Servicing the CRT
Use Care When Servicing
With Power On
X-Radiation
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