LV76223A3F Datasheet, PDF (14/47 Pages) Sanyo Semicon Device – For PAL/NTSC/SECAM Color Television Sets VIF/SIF/Y/C/Deflection /CbCr IN Implemented in a Single Chip

LV76223A3F
Parameter
Symbol
[Video block]
Video overall gain
CONT127
(Contrast max)
Contrast adjustment
CONT64
characteristics
(normal/max)
Contrast adjustment
CONT0
characteristics (min/max)
Video frequency
BW1
Characteristics 1
(NTSC)
Video frequency
Characteristics 2
(PAL)
Video frequency
Characteristics 3
(6MHz TRAP)
Video frequency
Characteristics 4
(APF)
Chroma trap amount
PAL
Chroma trap amount
NTSC
DC restoration rate 1
BW2
BW3
BW4
CtraPP
CtraPN
ClampG1
DC restoration rate 2
DC restoration rate 3
DC restoration rate 4
Y-DL TIME1
(NTSC)
Y-DL TIME2
(PAL)
Y-DL TIME3
(SECAM)
Y-DL TIME4
(6MHz TRAP)
Y-DL TIME Ajust1
ClampG2
ClampG3
ClampG4
TdY1
TdY2
TdY3
TdY4
TdYa1
Test point
Input
signal
Test method
Bus conditions
46 ^L-50
46 ^L-50
Measure the output signal’s 50IRE amplitude (CNTHB Vp-p) _{CONTRAST:1111111}
and calculate CONT127= 20log (CNTHB/0.357).
Y Gamma Start=11
Measure the output signal’s 50IRE amplitude (CNTCB Vp-p) CONTRAST:1000000
and calculate CONT63= 20log (CNTCB/CNTHB).
Y Gamma Start=11
46 ^L-50
Measure the output signal’s 50IRE amplitude (CNTLB Vp-p) CONTRAST:0000000
and calculate CONT0=20log (CNTLB/CNTHB).
Y Gamma Start=11
46 ^{L-CW With the input signal’s continuous wave=100kHz, measure the Y Filter.sys:00}
output signal’s continuous wave amplitude (PEAKDC Vp-p). SHARPNESS: 000000
With the input signal’s continuous wave=1.8MHz, measure the Y Gamma Start=11
output signal’s continuous wave amplitude (CW1.8 Vp-p).
Calculate BW1=20Log (CW1.8/PEAKDC).
46 ^{L-CW With the input signal’s continuous wave=2.2MHz, measure the Y Filter.sys:01}
output signal’s continuous wave amplitude (CW2.2 Vp-p). SHARPNESS: 000000
Calculate BW2=20Log (CW2.2/PEAKDC).
Y Gamma Start=11
46 ^{L-CW With the input signal’s continuous wave=2.3MHz, measure the Y Filter.sys:10}
output signal’s continuous wave amplitude (CW2.3 Vp-p). SHARPNESS: 000000
Calculate BW3=20Log (CW2.3/PEAKDC).
Y Gamma Start=11
46 ^{L-CW With the input signal’s continuous wave=3.4MHz, measure the Y Filter.sys:00}
output signal’s continuous wave amplitude (CW3.4 Vp-p). SHARPNESS: 000000
Calculate BW3=20Log (CW3.4/PEAKDC).
Y APF:1
Y Gamma Start=11
46 ^{L-CW With the input signal’s continuous wave=4.43MHz, measure Y Filter.sys:01}
the output signal’s continuous wave amplitude (F0P Vp-p). Sharpness: 000000
Calculate CtraP=20Log (F0P/PEAKDC).
Y Gamma Start=11
46 ^{L-CW With the input signal’s continuous wave=3.58MHz, measure Y Filter.sys:00}
the output signal’s continuous wave amplitude (F0N Vp-p). Sharpness: 000000
Calculate CtraN=20Log (F0N/PEAKDC).
Y Gamma Start=11
46 ^L-0
Measure the output signal’s 0IRE DC level
(BRTPL V).
Sub.Bais:1111111
CONTRAST:0111111
L-100 Measure the output signal’s 0IRE DC level(DRVPH V) and Sub.Bais:1111111
100IRE amplitude (DRVH Vp-p) and calculate
ClampG=100×(1+(DRVPH-BRTPL)/DRVH).
Contrast:0111111
DCREST=00
BLK.STR.START=11
WPL=0
46 ^{L-100 With DCREST = 01, carry out measurement similarly to the case of DCREST =01}
the DC restoration rate 1.
46 ^{L-100 With DCREST = 10, carry out measurement similarly to the case of DCREST =10}
the DC restoration rate 1.
46 ^{L-100 With DCREST = 11, carry out measurement similarly to the case of DCREST =11}
the DC restoration rate 1.
46 ^L-50
Obtain the time difference (the delay time) from when the rise Y Filter.sys:00
of the input signal's 50IRE amplitude to the output signal's YDELAY Ajust:100
50IRE amplitude.
46 ^L-50
Obtain the time difference (the delay time) from when the rise Y Filter.sys:01
of the input signal's 50IRE amplitude to the output signal's YDELAY Ajust:100
50IRE amplitude.
46 ^L-50
Obtain the time difference (the delay time) from when the rise Y Filter.sys:11
of the input signal's 50IRE amplitude to the output signal's YDELAY Ajust:100
50IRE amplitude.
Delay Test:1
46 ^L-50
Obtain the time difference (the delay time) from when the rise Y Filter.sys:10
of the input signal's 50IRE amplitude to the output signal's YDELAY Ajust:100
50IRE amplitude.
46 ^L-50
Obtain the time difference (the delay time) from when the rise Y Filter.sys:00
of the input signal's 50IRE amplitude to the output signal's Y Delay Ajust:000
50IRE amplitude.
No.A1938-14/47