Tektronix Webcam 070-8030-01 User Manual

Theory of Operation

1780R-Series Service Manual

1

Input Amplifiers A and B1

Input

A1

2

Input Amplifiers B2 and B3

Input

A1

3

Probe Input & DC Restorer

Vectorscope & Waveform

A6 & A2

4

Input & Reference Selection

Waveform

A2

5

Diff Amp & Video Filters

Waveform

A2

6

Vertical Deflection

Waveform

A2

7

Vertical Control Logic, Calibrator, &
Cursors

Waveform

A2

8

Ref Sync Generation

Waveform

A2

9

Horiz & Vertical Sync Generators

Waveform

A2

10

Ramp Generator

Waveform

A2

11

Horizontal Mag & Output Amps

Waveform

A2

12

Horizontal Latches & DAC

Waveform

A2

13

Slow Sweep & Ext Horiz Input

Waveform

A2

14

SCH Phase Timing

Waveform

A2

15

SCH Sync Locked Oscillator

Waveform

A2

16

Master MPU

Waveform

A2

17

Dynamic RAM, ROM, & NOVRAM

Waveform

A2

18

Line Rate Controller

MPU

A5

19

UART & A/D

MPU

A5

20

Readout Eng & Read Output

MPU

A5

21

Interconnect

MPU

A5

22

MPU Annex

Annex

A10

23

Front Switch Panel

Front Panel (Switch)

A12

24

Touch Panel

Touch Panel

A9

25

Vector Input & Gain

Vectorscope

A6

26

Diff Phase/ Gain

Vectorscope

A6

27

Vector Timing & Blanking

Vectorscope

A6

28

Demodulators

Vectorscope

A6

29

XY Inputs & Pix Monitor

Vectorscope

A6

30

Vector Deflection Amps

Vectorscope

A6

31

Subcarrier Regenerator

Oscillator

A7