HDLG7 module service overview
This section contains the information needed to do periodic a nd corrective
maintenance on the HDLG7 HD Dual Link Video Generator module. Refer
to Mainframe
service overview for information about servicing the TG8000
mainframe. (See page 2-1.)
If the HDLG7
module does not function properly, troubleshooting a nd corrective
measures should be taken immediately to prevent additional problems.
NOTE. Contact your local Tektronix representative for information on w here to
return your instrument if it requires repair during the warranty period.
Before servicing the
HDLG7 module
Before servicing the HDLG7 module, review the following information:
Service preparation describes how to prepare to service the instrument.
(See page 1-4.)
Inspection and cleaning describes how to inspect for dirt and damage and how
to clean the exterior and interior of the instrument. (See page 1-6.)
Module installation and removal describes how to install or remove a
generator, genlock, GPS, or Power Supply module from the TG8000
mainframe. (See page 1-10.)
HDLG7 module service
information
The service information for the HDLG7 module is divided into the following
subsections:
HDLG7 module theory of operation contains a circuit description at the
module or block level. (See page 12-2.)
HDLG7 module interconnect diagram contains a diagram showing how the
module interconnects with the TG8000 mainframe. (See page 12-4.)
HDLG7 module troubleshooting provides information for isolating and
troubleshooting failed modules. (See page 12-5.)
HDLG7 module removal and replacement contains procedures for the removal
of defective modules and replacement of new or repaired modules. (See
page 12-8.)
HDLG7 module replaceable parts list lists all of the fie ld replaceable modules
of the HDLG7 module by part number. (See page 12-10.)
TG8000 Multiformat Test Signal Generator Service Manual 12–1
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