Service introduction
Module compat
ibility between the TG8000 and TG700 mainfram es
Each of the modules that was designed to operate in the Tektronix TG700 TV
Signal Generator Platform will also operate in the TG8000 mainframe.
GPS7 module. The adjustment of the mainframe oscillator depends on the
mainframe in which the GPS7 module is installed:
TG8000 mainframe: You need to set only the internal frequency of the
mainframe oscillator. (See page 2-2, Mainframe clock adjustment.)
TG700 mainframe: You need to set the internal frequency of the mainframe
oscillator and characterize the mainframe oscillator frequency as a function of
voltage. Refer to the TG700 User Manual for more information (Tektronix
part number 071-1970-XX).
SDI7 mod
ule. The behavior of the Moving Picture function depends on the
mainframe in which the SDI7 module is installed:
TG8000
mainframe: When Moving Picture is enabled, the circle and text
overlays remain static regardless of the signal type (standard test signal or
“frame (.BMP) picture”). However, the logo overlay remains static for only
standard test signals but continues to move when used with a “frame (.BMP)
picture.”
TG700 mainframe: When Moving Picture is enabled, the circle and text
overlays remain static and the logo overlay moves regardless of the signal
type (standard test signal or “frame (.BMP) picture”).
TG8000 Multiformat Test Signal Generator Service Manual 1–3
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