Tektronix Webcam 070-8030-01 Manuel D’Utilisation
![Tektronix](https://files.manualsbrain.com/attachments/8290919ac2d59d4854d7f6390d5fb3959ff4166e/common/fit/150/50/57e6c08abf656d2a0ea515316e8dc2a0925b9a4e11d84eeaf6a6a2925654/brand_logo.png)
Theory of Operation
1780R-Series Service Manual
3–3
Table 3–1: Schematics and Circuit Board Assemblies
Diagram
Number
Number
Schematic Name
Assembly Name
Assembly
Number
Number
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
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