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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)： | 28/35頁 |
| 文件大?。?/td> | 712K |
| 代理商： | LA76075 |
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No. 5845-28/35
LA76075
Item
Symbol
Measurement
Point
Input
Signal
Measurement Procedure
Bus Condition
[Vertical screen size adjustment]
Vertical ramp output
amplitude @64
Vsize64
Monitor the pin 17 vertical ramp output, measure the
voltages for lines 22 and 262, and substitute in the
following formula.
Vsize64 = Vline262 – Vline22
17
YIN:
Composite
horizontal and
vertical
synchronization
signal
Vertical ramp output
amplitude @0
Vsize0
Monitor the pin 17 vertical ramp output, measure the
voltages for lines 22 and 262, and substitute in the
following formula.
Vsize0 = Vline262 – Vline22
17
YIN:
Composite
horizontal and
vertical
synchronization
signal
VSIZE : 0000000
Vertical ramp output
amplitude @127
Vsize127
Monitor the pin 17 vertical ramp output, measure the
voltages for lines 22 and 262, and substitute in the
following formula.
Vsize127 = Vline262 – Vline22
[High-voltage dependent
vertical size
compensation]
17
YIN:
Composite
horizontal and
vertical
synchronization
signal
VSIZE : 1111111
Vertical size
compensation @0
Vsizecomp
Monitor the pin 17 vertical ramp output, measure the
voltages for lines 22 and 262, and substitute in the
following formula.
Apply 6.2 V to pin 32, repeat the measurements, and
substitute in the following two formulas.
17
YIN:
Composite
horizontal and
vertical
synchronization
signal
VCOMP : 00
Continued on next page.
Continued from preceding page.
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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