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參數(shù)資料
| 型號： | 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)： | 21/40頁 |
| 文件大小： | 504K |
| 代理商： | LA76810A |
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LA76810A
NoA0252-21/40
Continued from preceding page.
Input signal
Symbol
Test point
Input signal
Test method
Bus bit/input signal
Tint variable range (+)
TINT+
21
C-1
Measure each part of the output level and
calculate the B-Y axis angle.
TINT+ = B-Y axis angle -TINCEN
TINT
1111111
Tint variable range (-)
TINT-
21
C-1
Measure each part of the output level and
calculate the B-Y axis angle.
TINT- = B-Y axis angle -TINCEN
TINT
0000000
[Filter Block Chroma BPF Characteristic]
Input signal
Symbol
Test point
Input signal
Test method
Bus bit/input signal
C-BPF1A
Peaker amplitude
characteristic
3.93MHz
CBPF1A
21
C-3
PAL signal
Set the chroma frequency (CW) to
4.433619MHz-100kHz and measure V0 output
amplitude. And then, set the chroma frequency
(CW) to 3.93MHz and measure V1 output
amplitude to calculate as follows:
CBPF1A = 20LOG (V1/V0)
FILTER SYS = 0010
C.BYPASS = 0
C-BPF1B
Peaker amplitude
characteristic
4.73/4.13MHz
CBPF1B
21
C-3
PAL signal
Measure V2 output amplitude when the chroma
frequency (CW) is 4.13MHz and V3 output
amplitude when it (CW) is 4.73MHz to calculate
as follows:
CBPF1B = 20LOG (V3/V2)
FILTER SYS = 0010
C.BYPASS = 0
C-BPF1C
Peaker amplitude
characteristic
4.93/3.93MHz
CBPF1C
21
C-3
PAL signal
Set the chroma frequency (CW) to 4.93MHz and
measure V4 output amplitude to calculate as
follows:
CBPF1C = 20LOG (V4/V1)
FILTER SYS = 0010
C.BYPASS = 0
C-BPF2A
BandPass
amplitude
characteristic
3.93MHz
CBPF2A
21
C-3
PAL signal
Set the chroma frequency (CW) to
4.433619MHz-100MHz and measure V00 output
amplitude. And then, set the chroma frequency
(CW) to 3.93MHz and measure V10 output
amplitude to calculate as follows:
CBPF2A = 20LOG (V10/V00)
FILTER SYS = 0011
C.BYPASS = 0
C-BPF2B
BandPass
amplitude
characteristic
4.73/4.13MHz
CBPF2B
21
C-3
PAL signal
frequency (CW) is 4.13MHz and V30 output
amplitude when it (CW) is 4.73MHz to calculate
as follows:
CBPF2B = 20LOG (V30/V20)
FILTER SYS = 0011
C.BYPASS = 0
C-BPF2C
BandPass
amplitude
characteristic
4.93/3.93MHz
CBPF2C
21
C-3
PAL signal
Set the chroma frequency (CW) to 4.93MHz and
measure V40 output amplitude to calculate as
follows:
CBPF2C = 20LOG (V40/V10)
FILTER SYS = 0011
C.BYPASS = 0
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