EIP_575B_578B_Operations_Manual 电路图.pdf

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1、Models 575B out of warranty units will be returned freight COLLECT. No other warranty other than above is expressed or implied. Certification Phase Matrix, Inc. certifies this instrument to be in conformance with the specifications noted herein at time of shipment from the factory. Phase Matrix, Inc

2、. further certifies that its calibration measurements are traceable to the National Institute of Standards and Technology (NIST). Manual Change Information As Phase Matrix, Inc. continually improves and updates its products, changes to the material covered by the manual will occur. When a part or as

3、sembly in a Phase Matrix, Inc. instrument is change to the extent that it is no longer interchangeable with the earlier part, the configuration control number (CCN) of the instrument, shown on the title page of the manual, will change, and a new edition of the manual will be published. To maintain t

4、he technical accuracy of the manual, it may be necessary to provide new or additional information with the manual. In these cases, the manual is shipped with a Manual update. Please be sure to incorporate the information as instructed in the Manual update. 575B/578B RadioFans.CN 收音机爱 好者资料库 iv SAFETY

5、 The Phase Matrix, Inc. Models 575B & 578B are designed and tested according to international safety requirements, but as with all electronic equipment, certain precautions must be observed. This manual contains information, cautions, and warnings that must be followed to prevent the possibility of

6、personal injury and/or damage to the instrument. SAFETY AND HAZARD SYMBOLS WARNING A WARNING denotes a hazard to personnel. It calls attention to a procedure or practice, which, if not correctly performed or adhered to, could result in personal injury. CAUTION A CAUTION denotes a hazard to the equip

7、ment. It calls attention to an operating procedure or practice, which, if not correctly performed or adhered to, could result in damage to or destruction of part or all of the product. This is a general warning that appears whenever care is necessary to prevent damage to the equipment. Dangerous Vol

8、tage Toxic Substance Static-Sensitive Component Fire Hazard 575B/578B v OVERALL SAFETY CONSIDERATIONS WARNING Before this instrument is switched on, its protective earth terminals must be connected to the AC power cords protective conductor. The main plug must only be inserted in a socket/outlet tha

9、t has a protective earth contact. The protective action must not be negated by using an extension cord (power cable) or adapter that does not have a protective earth (grounding) conductor. WARNING Use only fuses of the type specified with the required current and voltage ratings. Never use repaired

10、fuses or short-circuited fuse holders, as doing so causes shock and/or fire hazard. WARNING Whenever it is likely that electrical protection is impaired, the instrument must be made inoperative and be secured against any unintended operation. WARNING All protective earth terminals, extension cords,

11、autotransformers, and other devices connected to this instrument must be connected to a socket/outlet that has a protective earth contact. Any interruption of the protection causes a potential shock hazard that can result in personal injury. WARNING The power supply is energized whenever AC power is

12、 connected to this instrument. Disconnect the AC power cord before removing the covers to prevent electrical shock. Internal adjustments or servicing that must be done with the AC power cord connected must be performed only by qualified personnel. 575B/578B vi WARNING Since the power supply filter c

13、apacitors may remain charged after the AC power cord is disconnected from the equipment, disconnecting the power cord does not ensure that there is no electrical shock hazard. WARNING Some of the components used in this instrument contain resins and other chemicals that give off toxic fumes if burne

14、d. Be sure to dispose of these items properly. WARNING Beryllia (beryllium oxide) is used in the construction of the YTF assembly. This material, if handled incorrectly, can pose a health hazard. NEVER disassemble the microwave counter assembly. CAUTION Static sensitive components are used in the YT

15、F Assembly. These components can be damaged if handled incorrectly. CAUTION Before connecting power to the instrument, ensure that the correct fuse is installed and the voltage-selection switch on the instruments rear panel is set properly. Refer to INSTALLATION Section 2, Installation. CAUTION Excessive signal levels can damage this instrument. To prevent damage, do not exceed the specified damage level. Refer to the instrument specifications in Section 1 of this manual. 575B/578B