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參數(shù)資料
| 型號： | LA7615 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP64 |
| 封裝： | SDIP-64 |
| 文件頁數(shù)： | 19/39頁 |
| 文件大?。?/td> | 206K |
| 代理商： | LA7615 |
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No. 5841-26/39
LA7615
Continued from preceding page.
Parameter
Symbol
Test point
Input signal
Test procedure
Bus condition
Demodulation angle B-Y/R-Y
Demodulation angle G-Y/R-Y
Killer operating point
Chrominance VCO free-running
frequency
Chrominance pull-in range (+)
Chrominance pull-in range (–)
Auto Flesh characteristics 73°
Auto Flesh characteristics 118°
Auto Flesh characteristics 163°
Overload characteristics 1
ANGBR
ANGGR
KILL
CVCOF
PULIN+
PULIN–
AF073
AF118
AF163
OVL1
C-1
C-3
CIN
No signal
C-1
C-4
C-5
Measure the BOUT and ROUT output levels and calculate
the angle between the B-Y and R-Y axes. Calculate
ANGBR = (R-Y angle) – (B-Y angle).
Measure the GOUT output level and calculate the angle
between the G-Y and R-Y axes. Calculate ANGGR = (R-Y
angle) – (G-Y angle).
Gradually decrease the amplitude of the input signal and
measure the input level when the output level falls less
than 150 mVpp.
Measure the oscillator frequency f and calculate the
following formula. CVCOF = f – 3579545 (Hz)
Gradually decrease the input signal subcarrier frequency
starting at 3.579545 MHz + 1000 Hz, and measure
frequency at the point the output waveform locks.
Gradually raise the input signal subcarrier frequency
starting at 3.579545 MHz – 1000 Hz, and measure
frequency at the point the output waveform locks.
With Auto Flesh = 0, measure the level that corresponds
to a BOUT and ROUT output waveform of 73° and calculate
the angle AF073A.
With Auto Flesh = 1, measure the angle AF073B in the
same manner.
Calculate the following formula.
AF073 = AF073B – AF073A
With Auto Flesh = 0, measure the level that corresponds
to a BOUT and ROUT output waveform of 118° and
calculate the angle AF118A.
With Auto Flesh = 1, measure the angle AF118B in the
same manner.
Calculate the following formula.
AF118 = AF118B – AF118A
With Auto Flesh = 0, measure the level that corresponds
to a BOUT and ROUT output waveform of 163° and
calculate the angle AF163A.
With Auto Flesh = 1, measure the angle AF163B in the
same manner.
Calculate the following formula.
AF163 = AF163B – AF163A
Measure V1: the output amplitude when the input signal
burst level is set to 40 IRE and the chrominance level is
set to 8 IRE, and V2: the output amplitude when the input
signal burst level is set to 40 IRE and the chrominance
level is set to 40 IRE.
Calculate the following formula.
OVL1 = V2/V1
TR26: Auto Flesh :
**** 0 **
TR26: Auto Flesh :
**** 1 **
TR26: Auto Flesh :
**** 0 **
TR26: Auto Flesh :
**** 1 **
TR26: Auto Flesh :
**** 0 **
TR26: Auto Flesh :
**** 1 **
TR26: OverLoad :
****** 1
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Continued on next page.
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| LA7626 | SPECIALTY CONSUMER CIRCUIT, PDIP30 |
| LA7629 | HORIZ/VERT DEFLECTION IC, PDIP30 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LA7626 | 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 |
| LA7629 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Color TV/Video,Chroma,Deflection Circuit |
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