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Performance Check and Calibration Procedures
1–8
TPG20 Service
Groups: LINEARITY; RAMP 100% 625 PAL/D2
h. Use VM700A to check for a composite video signal of 1.0V ±1.0% on
both of the TPG20 B Analog Outputs.
i. Set TPG20:
FORMAT 625/50 COMPONENT D1/YPrPb
Groups: LINEARITY; RAMP 100% 625/50 D1/YPrPb
j. Use VM700A to check for a luminance signal of 1.0V ±1.0% on both of
the TPG20 A Analog Outputs.
k. Set TPG20:
FORMAT 625/50 COMPONENT YPrPb
Groups: LINEARITY; RAMP 100% 625/50YPrPb
l. Use VM700A to check for a luminance signal of 1.0V ±1.0% on both of
the TPG20 A Analog Outputs.
m. Set TPG20:
FORMAT 625/50 COMPOSITE SECAM
Groups: BARS; EBU COLOR BARS 625 SECAM
n. Use VM700A to check for a composite video signal of 1.0V ±1.0% on
both of the TPG20 B analog outputs. Check for a 1.0V ±1.0%
luminance signal on both of the TPG20 A Analog Outputs.
o. Set TPG20:
FORMAT 525/60 COMPONENT D1/YPrPb
Groups: LINEARITY; RAMP 100% 525 D1/YPrPb
p. Use VM700A to check for a luminance signal of 1.0V ±1.0% on both of
the TPG20 A Analog Outputs.
q. Set TPG20:
FORMAT 525/60 COMPONENT YPrPb
Groups: LINEARITY; RAMP 100% 525YPrPb
r. Use VM700A to check for a luminance signal of 1.0V ±1.0% on both of
the TPG20 A Analog Outputs.
s. Select TPG20 variable gain and verify that gain can be adjusted over the
range of at least +2.5dB to –25.0 dB (as displayed on the TPG20
display). Note that the amplitude changes are visible on the VM700A.