Service Manual MSO/UPO3000E Serials products
Instruments.uni-trend.com
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Foreword
This manual contains service information for the instrument.
Before servicing the product, please read the General and Service Safety Summary.
Be sure to read the descriptions of all programs. These presentations provide important information required for the
correct, safe, and efficient performance of the Services.
Supported Products
This manual contains the information needed to service the following products:
•
UPO3352E
，
UPO3354E
，
UPO3502E
，
UPO3504E
•
MSO3352E
，
MSO3354E
，
MSO3502E
，
MSO3504E
•
MSO3354E-S
，
MSO3504E-S
Check for specific product names in headers, titles, table or graph titles, or text at the top of the page. Material without
any specific product designation applies to all products in the brochure.
Where to find operational information
For information on instrument installation, operation, and networking, refer to the Help or Owner's Manual that came
with your oscilloscope.
Theory of operation
This chapter describes the electrical operation of the oscilloscope at the module level. The block diagram shows the
interconnection of the oscilloscope module.
Mainboard
Display
screen
Keyboard
board
Power
module
Interface board
Signal
source
board
BNC
CH1
BNC
CH2
BNC
CH3
BNC
CH4
LA
USB
Connector
Coaxial
cable
BNC
CHA
BNC
CHB
BNC
AUX
BNC
Ext trig
VGA
USB
LAN
FPC
Display
board
Power
FPC
FPC
FPC
Coaxial
cable
Figure 1: MSO/UPO3000E Series Block Diagram
