Tektronix TDS 200-Series - Operating Basics

Theory of Operation
TDS 200 Series Digital Oscilloscope Service Manual
3–3
Extension
Module
CH1
P53
2
P3
J603
LCD
5
EXT
TRIG
J51
J52
J53
DC In
Display Control
5
0
J601
J2
J4
J3
RS232
GPIB
CENTRONICS
Front Panel
A1 Main
Display
CH2
P131
Backlight
Probe Comp
Signal
7
GND
GND
Backlight Power
3
AC Line In
Power Supply
AC Line
DC Out
& Line
Trigger
J602
J604
J1
Probe Comp
GND
J605
J202
J131
12
J902
J90
1
9
24
25
Figure 3–1: Module-level block diagram (two channel)