參數(shù)資料
型號(hào)： LA76075
廠商： Sanyo Electric Co.,Ltd.
英文描述： NTSC Color Television Sets
中文描述： NTSC制式彩電
文件頁數(shù)： 33/35頁
文件大?。?/td> 712K
代理商： LA76075
No. 5845-33/35
LA76075
Item
Symbol
Measurement
Point
Input
Signal
Measurement Procedure
Bus Condition
[Keystone distortion compensation]
East/West parabola tilt
@32
EWtilt32
Monitor the pin 18 East/West (parabola wave) output,
measure the voltages for lines 22 (Va) and 262 (Vb),
and substitute in the following formula.
EWtilt32 = Va – Vb
18
YIN:
Composite
horizontal and
vertical
synchronization
signal
East/West parabola tilt
@0
EWtilt0
Monitor the pin 18 East/West (parabola wave) output,
measure the voltages for lines 22 (Va) and 262 (Vb),
and substitute in the following formula.
EWtilt0 = Va – Vb
18
YIN:
Composite
horizontal and
vertical
synchronization
signal
WTILT : 000000
East/West parabola tilt
@63
EWtilt63
Monitor the pin 18 East/West (parabola wave) output,
measure the voltages for lines 22 (Va) and 262 (Vb),
and substitute in the following formula.
EWtilt63 = Va – Vb
18
YIN:
Composite
horizontal and
vertical
synchronization
signal
WTILT : 111111
Continued from preceding page.
[Corner distortion compensation]
East/West parabola
corner top
EWcortop
Monitor the pin 18 East/West (parabola wave) output,
measure the voltage for line 22 under the conditions:
CORTOP = 1111 (Va) and CORTOP = 0000 (Vb), and
substitute in the following formula.
EWcortop = Va – Vb
18
YIN:
Composite
horizontal and
vertical
synchronization
signal
East/West parabola
corner bottom
EWcorbot
Monitor the pin 18 East/West (parabola wave) output,
measure the voltage for line 262 under the conditions:
CORTOP = 1111 (Va) and CORTOP = 0000 (Vb), and
substitute in the following formula.
EWcorbot = Va – Vb
YIN:
Composite
horizontal and
vertical
synchronization
signal
CORBOTTOM : 1111-0000
CORTOP : 1111-0000
相關(guān)PDF資料
PDF描述
LA7615 Single-Chip NTSC Color TV IC
LA7620 Color TV Video, Chroma, Deflection Circuit
LA7625 Video, Chroma and Deflection Circuit for Color Television Sets
LA7629 Color TV/Video,Chroma,Deflection Circuit
LA7640N Chroma Circuit for SECAM-system Color Television Sets
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LA7612A 制造商:SANYO Semiconductor Co Ltd 功能描述:
LA7615 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip NTSC Color TV IC
LA7620 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV Video, Chroma, Deflection Circuit
LA7621 制造商:Panasonic Industrial Company 功能描述:IC
LA7625 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video, Chroma and Deflection Circuit for Color Television Sets
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