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參數(shù)資料
| 型號： | LA76850 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC Black & White Television IC |
| 中文描述： | 單片線性集成電路黑色 |
| 文件頁數(shù)： | 18/31頁 |
| 文件大?。?/td> | 295K |
| 代理商： | LA76850 |
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LA76850
NoA0017-18/31
Continued from preceding page.
Input signal
Symbol
Test point
Input signal
Test method
Bus conditions
Horizontal position
adjustment maximum
variable width
HPHstep
Y IN:
Horizontal/
vertical sync
signal
PAL
With H PHASE: 0 to 31 varied, measure the delay
time from to the rise of the pin 22 horizontal output
pulse to the fall of the Y IN horizontal sync signal
and calculate the variation at each step. Retrieve
data for maximum variation.
Measuring
H PHASE: 00000
to
H PHASE: 11111
Horizontal blanking
left variable range@0
BLKL0
Y IN:
Horizontal/
vertical sync
signal
PAL
Measure the time T from the left end of Hsync at
pin 28 Y IN to the left end of blanking at pin 17
BlueOUT with BLKL = 000.
BLKL: 000
Horizontal blanking
left variable range@7
BLKL7
Y IN:
Horizontal/
vertical sync
signal
PAL
Measure the time T from the left end of Hsync at
pin 28 Y IN to the left end of blanking at pin 17
BlueOUT with BLKL = 111.
Hsync
Y IN
BLKL:111
Continued on next page.
Blue
Hsync
Y IN
T
28
17
Blue
T
20IRE
2.5V
Horizontal output
28
22
28
22
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