Tektronix 496 Instruction Manual page 3

TABLE OF CONTENTS
SAFETY SUMMARY
Section 7 REPLACEABLE ELECTRICAL PARTS
Section 8
DIAGRAMS
Section 9 REPLACEABLE MECHANICAL PARTS
LIST OF ILLUSTRATIONS
The following circuit board figures are located near their associated diagrams in Section 8.
496/496P Service Vol. 2
8-1
A16A1 - 1st LO Interface
8-24 A68A4 - Post VR Amplifier
8-2 A24A1 - Phase Gate Input
8-25 A62 - Log and Video Amplifier
8-3 A51 - 1 st LO Phaselock Control
8-26 A40 - Video Processor
8-4 A50A4 - Error Amplifier
8-27 A61 - Vertical Digital Storage
8-5 A50A1 - Synthesizer
8-28 A60 - Horizontal Digital Storage
8-6 A50A3 = Offset Mixer
8-29 A64 - Deflection Amplifier
8-7 A50A5 - Controlled Oscillator
8-30 A66 - Crt Readout
8-8 A50A2 - Strobe Driver
8-31 A70 - Z-Axis/RF Interface
8-9 A18A1 - 2nd Converter
8-32 A74 - High Voltage Supply
8-10
A22A1 - 16-20 MHz Phaselock
8-33 A74A1 - High Voltage Supply Interface
8-11
A22A2A1 - 2182 MHz Oscillator
8-34 A72 - Sweep
8-12
A22A2A2 - 2200 MHz Reference
8-35 A48 - Span Attenuator
8-13
A22A2A3 - 2200 MHz Mixer
8-36 A46 - Center Frequency Control
8-14 A32A1 - 110 MHz IF Amplifier
8-37
A44 - 1st LO Driver
8-15 A34A1 - 100 MHz Oscillator and 3rd Mixer
8-38 A58 - Processor
8-16 A69A1 - VR #1 Motherboard
8-39 A54 - Memory
8-17 A69A2 - VR Input
8-40 A38 - Front Panel
8-18 A69A3 - 1st Filter Select
8-41 A56 - GPIB
8-19 A69A4 - 10 dB Gain Steps
8-42 A57 - GPIB Interface
8-20 A68A1 - VR #2 Motherboard
8-43 A76 - Accessories Interface
8-21 A68A5 - 20 dB Gain Steps
8-44 A30A1 - Main Power Supply
8-22 A68A3 - Band Leveling
8-45 A30A2 - Fan Drive
8-23 A68A2 - 2nd Filter Select
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