參數(shù)資料
型號(hào)： LA76810A
廠商： Sanyo Electric Co.,Ltd.
英文描述： Monolithic Linear IC For PAL/NTSC Color Television Sets VIF/SIF/Y/Deflection 1chip IC
中文描述： 單片線性集成電路為PAL / NTSC制式彩電資料表格/應(yīng)力強(qiáng)度因子/年/撓度1chip集成電路
文件頁數(shù)： 27/40頁
文件大?。?/td> 504K
代理商： LA76810A
www.DataSheet4U.com
LA76810A
NoA0252-27/40
Continued from preceding page.
Input signal
Symbol
Test point
Input signal
Test method
Bus bit/input signal
<High-voltage dependent vertical size correction>
Vertical size
correction@0
Vsizecomp
Y IN:
Horizontal/
vertical sync
signal
PAL
Monitor the pin 23 vertical ramp output and
measure the voltage at the line 24 and line 310
with VCOMP = 000. Calculate as follows:
Va = Vline310-Vline24
Apply 4.1V to pin 13 and measure the voltage at
the line 24 and line 310 again. Calculate as
follows:
Va = Vline310-Vline24
Calculate as follows:
Vsizecomp = Vb/Va
VCOMP: 000
<Vertical screen position adjustment>
Vertical ramp DC
voltage
PAL@32
NTSC@32
Vdcpal32
Vdcnt32
Y IN:
Horizontal/
vertical sync
signal
PAL
NTSC
Monitor the pin 23 vertical ramp output and
measure the voltage at line 167. (PAL)
Monitor the pin 23 vertical ramp output and
measure the voltage at line 142. (NTSC)
Vertical ramp output
Vertical ramp DC
voltage
PAL@0
Vdcpal0
Y IN:
Horizontal/
vertical sync
signal
PAL
measure the voltage at line 167.
VDC: 000000
Vertical ramp DC
voltage
PAL@63
Vdcpal63
Y IN:
Horizontal/
vertical sync
signal
PAL
Monitor the pin 23 vertical ramp output and
measure the voltage at line 167.
VDC: 111111
Continued on next page.
Line 310
Line 24
Vertical ramp output
23
23
23
Line 167
Line 167
Vertical ramp output
Line 167
Vertical ramp output
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參數(shù)描述
LA76818A 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:The LA76818A is I2C bus controller ICs that support the different TV broadcast formats used worldwide and aim for rationalization of color TV set desi
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