Tektronix TG8000

Table of Contents
AGL7 module tro
ubleshooting trees..................................................................... 4-16
AGL7 module removal and replacement .................................................................... 4-18
Required tools.............................................................................................. 4-18
How to replace the rear-panel connectors and chassis................................................. 4-18
AGL7 module replaceable parts list .......................................................................... 4-21
ATG7 Analog Test Generator m odule
ATG7 module service overview ................................................................................ 5-1
ATG7 module adjustment procedures.......................................................................... 5-2
Requirements for a
djustment ............................................................................... 5-2
Required equipment ......................................................................................... 5-2
To adjust the output offset and gain........................................................................ 5-3
To adjust chroma gain....................................................................................... 5-6
ATG7 module theory of operation.............................................................................. 5-9
ATG7 module interconnect diagram.......................................................................... 5-10
ATG7 module troubleshooting ................................................................................ 5-11
Required equipment ....................................................................................... 5-11
To back up the instrument settings....................................................................... 5-11
ATG7 module troubleshooting trees..................................................................... 5-12
ATG7 module removal and replacement..................................................................... 5-14
Required tools.............................................................................................. 5-14
How to replace the rear-pan
el connectors and chassis................................................. 5-14
ATG7 module replaceable parts list .......................................................................... 5-16
AVG7 Analog Video Generator module
AVG7 module service overview ................................................................................ 6-1
AVG7 module adjustment procedures.......................................................................... 6-2
Requirements for adjustment ............................................................................... 6-2
Required equipment ......................................................................................... 6-3
To adjust the output offset and gain........................................................................ 6-4
To adjust group delay........................................................................................ 6-6
To adjust the frequency response ........................................................................ 6-10
To adjust interchannel delay.............................................................................. 6-14
To confirm the frequency response ...................................................................... 6-18
To confirm the interchannel delay ....................................................................... 6-18
AVG7 module theory of operation............................................................................ 6-19
AVG7 module interconnect diagram ......................................................................... 6-21
AVG7 module troubleshooting................................................................................ 6-22
Required equipment ....................................................................................... 6-22
To back up the instrument settings....................................................................... 6-22
TG8000 Multiformat Test Signal Generator Service Manual iii