Sony Tektronix WFM 1125, Service Manual

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Performance Verification
WFM 1125 Option 0A/0B/0C/0D Service Manual
4-11
36. With a 50
W
cable, connect the oscilloscope input and the CRCE OUT on
the waveform monitor. Set the input impedance of the oscilloscope to 1 M
W
. Confirm:
H
The CRC LED momentarily lights each time the INPUT : A/B button is
pressed.
H
Concurrently, a positive TTL–level pulse (2 to 5 V) is being output from
the CRCE OUT.
37. On the TSG1001 front panel, press the SWEEP button to set the SWEEP to
100 %, and confirm:
H
The GAMUT LED goes on.
38. On the TSG1001 front panel, press the COLOR BARS button to set the
COLOR BAR to 100 %, and confirm:
H
The GAMUT LED goes out.
This test confirms that the format modes of Option 0D are functioning correctly .
Use the test hookup and equipment controls from the previous test.
1. Download the “multall.dnl” signal set file supplied on the TG1001 Signal
Library floppy disk with part number 063–3286–xx to the TSG1001. Refer
to Downloading to the TSG1001 on page 4–4 for instructions.
1. On the TSG1001 front panel, press the COLOR BARS button to set the
COLOR BARS to 75 %.
2. Set the format mode to “i” (interlace) .
3. Press the SWEEP button to select 2LINE display.
4. On the TSG1001 front panel, press the FORMAT button repeatedly to set
the FORMAT to 274M 50Hz, and confirm:
H
The field rate display at the upper right of the screen changes to 50i.
5. Set the format mode to “p” (progressive).
6. Press the SWEEP button to select 2LINE display.
7. On the TSG1001 front panel, press the FORMAT button repeatedly to set
the FORMAT to 296M 60Hz, and confirm:
H
The field rate display at the upper right of the screen changes to 60p.
Format modes (Option 0D
only)