LUlY
1
LlY
13
SECTION
1
GENERAL DESCRIPTION
Page
introduction
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1
Front Panel
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Rear Panel
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Printed Circuit Boards
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Electrical Description..
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Specification..
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3
SECTION
2
INSTALLATION AND OPERATION
Unpacking and Inspection
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AC Power Requirements
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5
Fuse Replacement..
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Controls and Indicators
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First Time Operation Procedure
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10
SECTION
3
THEORY OF OPERATION
General..
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Power Supply
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Frequency Controls Circuit
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Constant Current and Triangle Wave Circuit..
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The Formation Circuit of Square wave and
Sinewave..
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Power Amplifier..
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Circuit of Frequency Counter
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SECTION 4 MAINTENANCE
Fuse Replacement
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Cleaning..
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Page
13
13
14
14
16
19
19
2
0
2
0
A
WARNING. For continued fire protection. Replace fuse only with 250V fuse of the specified type and rating, and
disconnect the power cord before replacing fuse.
ENVIRONMENT CONDITION
!
WARNING. To avoid electrical shock, the power cord protective grounding conductor must be connected to ground
n
Operation Environment
:
Indoor use
:
Altitude up to 2000m
:
Ambient Temperature
0°C
to 40°C
:
Relative Humidity 80%(maximum)
:
Installation Category
I1
:
Pollution Degree
A
CAUTION. To avoid damaging the instrument, don't use it in
a
place where ambient temperature exceeds
40°C.
Storage Temperature
&
:
-10°C to 70°C
Humidity
:
70% (maximum)
A
CAUTION
.
To avoid damaging the instrument, V.C.F. (V.C.G.) do not input more than DC15V
NOTE
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