Figure 3- -1: Module-Level Block Diagram (Two Channel) - Tektronix TDS1000B Series Service Manual

Theory of Operation
3
AC Line
Through
chassis
Front Panel
J1
12
Probe Comp
Probe Comp
CH1
CH2
EXT
TRIG
Your USB Flash drive
Figure 3- - 1: Module-level block diagram (two channel)
3- - 2
Power Supply
AC Line In
Backlight Power
GND
A1 Main
GND
J202
P53
DC In
P/O J2031
Signal
LCD
18 Pins
P/O J2032
GND
J300
J902
J350
USB Device
port
J380
J901
USB Flash
Drive port
P3
DC Out
& Line
Trigger
2
11
J101 P131
(Color) (Mono)
J201
16 12
PC or printer
TDS1000B and TDS2000B Series Oscilloscope Service Manual
TDS1000B (Mono)
TDS2000B (Color)
Display
J90
1
Backlight
J902
Display Control