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參數(shù)資料
| 型號： | LA7191N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Global VHS-format VCR Video Signal Processor |
| 中文描述： | 全球錄影帶格式錄像機(jī)視頻信號處理器 |
| 文件頁數(shù)： | 10/11頁 |
| 文件大小： | 146K |
| 代理商： | LA7191N |
Control Pin Function Chart
Pin No.
Pin 5
R/P switching
Pin 1
SP changeover
Pin13
EDIT2
PIC-CTL
Pin 14
SECAM
CTL
Pin 17
Special playback switching
L
M
H
Open
REC mode
Open
Over 3.8V
PB mode
Over 3.9 V
SP mode
Over 3.6 V
EDIT ON
2 V to 2.5 V
PIC-CTL
SOFT
2.5 V to 3 V
PIC-CTL
HARD
Over 4.0 V
SECAM mode
Open
Before comb in SP
Over 3.5 V
(over 200 μA)
After comb in SP
Over 3.0 V
MESECAM mode
Pin 27
MESECAM
CTL
Pin 33
QV, QH, CHAR
Open
Refer to Pin 33,
QV, QH, CHAR,
insertion diagram
Pin 36
NTSC-CTL
Pin 40
DOC STOP control
Pin 41
ROTARY pulse
LP switch
NTSC mode if current is
150 μA or more
Over 3.9 V
DOC STOP
Open
Normal mode
ROTARY
PULSE
Tape
speed
SP or EP mode
LP mode
Pin 42
YNR/LNC switch
Line NC when
under 1 V in PB
Open
SP: LNC, LP/EP: YNR
Pin 33
QV, QH, CHAR, insertion
P
Pin 33 control voltage
(V)
THROUGH
CHAR
QH
QV
Through
LA7191N
No. 5471 - 10/11
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