JVC DT-V2000SU Service Manual page 67

DT-V2000SU
480i 16 : 9 OVER SCAN CONTRAST
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Test equipment Signal generator (Cross-hatch pattern:100IRE)
Test points TP-47G [CRT SOCKET PWB]
Adjustment locations SC01 (CONTRAST)
1. Set the scan size to OVER, and set the ASPECT to 16: 9 in the MENU screen.
2. Input the 480i signal to the input B terminal.
3. Connect the oscilloscope to the TP-47G.
~
;..
1 vertical cycle
4. Adjust the waveform level between 0% black and 100% white to 30Vp-p with SC01.
··---~
,,L
'
I
I
30Vp-p
I
I
I
'
II
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480P 16 : 9 OVER SCAN CONTRAST
Test equipment Signal generator (Cross-hatch pattern:100IRE)
Test points TP-47G [CRT SOCKET PWB]
Adjustment locations SD01 (CONTRAST)
1. Set the scan size to OVER, and set the ASPECT to 16 : 9 in the MENU screen.
2. Input the 480P signal to the input B terminal.
- -
3. Connect the oscilloscope to the TP-47G.
~
1 vertical cycle
~
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4 . Adjust the waveform level between 0% black and 100% white to 30Vp-p with SD01.
··---~
Ill
'
I
I
30Vp-p
I
I
I
I
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720P 16 : 9 OVER SCAN CONTRAST
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Test equipment
Signal generator (Cross-hatch pattern:100IRE)
Test points TP-47G [CRT SOCKET PWB]
Adjustment locations SE01 (CONTRAST)
1. Set the scan size to OVER in the MENU screen.
2. input the 720P signal to the input B terminal.
-
3. Connect the oscilloscope to the TP-47G.
~
1 vertical cycle
~
4. Adjust the waveform level between 0% black and 100% white to 30Vp-p with SE01.
··---~
,L
I
I
30Vp-p
I
I
I
I
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