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參數資料
| 型號： | LA76818A |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP54 |
| 封裝： | 0.600 INCH, DIP-54 |
| 文件頁數： | 38/44頁 |
| 文件大小： | 289K |
| 代理商： | LA76818A |
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LA76818A
No.8047-43/44
Continued from preceding page.
Register Name
Bits
General Description
FBPBLK.SW
1
Enable RGB Blanking or FBP
fsc or Csync SW
1
Select fsc output or Composit sync output
Y APF Enable SW
1
Select the frequency characteristic of 3.58MHzTrap.
It is useful for 3.58MHzTrap or APF.
Pre/Over-shoot Adjustment
2
Select Pre-shoot Width
WPL Ope. Point (W/Defeat)
2
Select WPL Operating Point
Y Gamma Start
2
Enable luminance coring
DC Restoration Select
2
Select Luma DC Restoration
Blk. Str. Start Point Select (w/Defeat)
2
Select Black stretch Start Point (w/ Defeat)
Blk. Str. Gain Select
2
Select Black stretch Gain
AutoFlesh
1
Enable AutoFlesh function
C Ext
1
Selected-C In SW on
C Bypass
1
Select Chroma BPF bypass
C Kill On
1
C Kill Mode (1: Enable Killer circuit)
C Kill Off
1
Disable Killer circuit
Color System
3
Select Color System
Cont Test
1
Enable contrast DAC test mode
Digital OSD SW
1
Select Digital/Analog OSD
Bright ABL Defeat
1
Disable brightness ABL
Bright Mid Stop Defeat
1
Disable brightness mid stop
RGB Temp SW
1
Select temperature characteristic of RGB Output
Bright ABL Threshold
3
Align brightness ABL threshold
R-Y/B-Y Balance
4
R-Y/B-Y Gain Balance
R-Y/B-Y Angle
4
R-Y/B-Y Angle
B-Y DC Level
4
B-Y DC Level (White-Balance)
R-Y DC Level
4
R-Y DC Level (White-Balance)
Audio SW
1
Select Audio source
Volume Control
7
Customer volume control
OVER.MOD.SW
1
Select overmodulation circuit ON/OFF
Volume Filter Defeat
1
Disable volume DAC filter
RF AGC Delay
6
Align RF AGC threshold
FM Mute
1
Disable FM outputs
de-em TC.
1
Select de-emphasis Time Constant
VIF System SW
2
Select 38.0/38.9/39.5/45.75
SIF System SW
2
Select 4.5/5.5/6.0/6.5
FM Gain
1
Select FM Output Level
IF AGC Defeat
1
Disable IF and RF AGC
Video Level
3
Align IF video level
FM Level
5
Align FM output level
Pre/Over SW
1
Select control for Pre/Over-shoot Adjustment
C VCO Adjust SW
1
Select the direction of C. VCO adjustment
C VCO Adjust
2
Align C. VCO's frequency
Tint Through
1
Select tint control operation (enable or disable)
H Lock Vdet
1
Select vertical sync. Operation
VIDEO.LEVEL.OFFSET
2
Align IF video level
IF TEST1
1
Select test modes
OVER.MOD.LEVEL
4
Align overmodulation performance
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