IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-19
Q1503. Q1512, Q1513: LA7956 (Video switch)
BLOCK DIAGRAM
TRUTH TABLE
TX-SR503/503E/8350
S2
(Pin 2)
H
L
H
L
S3
(Pin 3)
H
H
L
L
Vin1
(Pin 4)
ON
OFF
OFF
OFF
Vin2
(Pin 6)
OFF
ON
OFF
OFF
Vin3
(Pin 8)
OFF
OFF
ON
OFF
Vin4
(Pin 9)
OFF
OFF
OFF
ON
driver
control
6dB
amp
video switch
(4input 1output)
1
2
3
4
VIDEO
OUT
A
B
VINI
5
GND
6
VIN2
7
VCC
8
VIN3
9
VIN4
Содержание TX-SR503
Страница 36: ...PRINTED CIRCUIT BOARD VIEWS 1 TX SR503 503E 8350 U01 DISPLAY PC BOARD NADIS 8513 Side A A 1 2 3 4 5 B C D...
Страница 37: ...TX SR503 503E 8350 E F G H...
Страница 39: ...PRINTED CIRCUIT BOARD VIEWS 2 TX SR503 503E 8350 U01 DISPLAY PC BOARD NADIS 8513 Side B A 1 2 3 4 5 B C D...
Страница 40: ...TX SR503 503E 8350 E F G H...
Страница 42: ...PRINTED CIRCUIT BOARD VIEWS 3 TX SR503 503E 8350 U02 DSP PC BOARD NADG 8514 Side A A 1 2 3 4 5 B C D...
Страница 43: ...TX SR503 503E 8350 E F G H...
Страница 44: ...PRINTED CIRCUIT BOARD VIEWS 3 TX SR503 503E 8350 U02 DSP PC BOARD NADG 8514 Side A A 1 2 3 4 5 B C D E F G H...
Страница 45: ...PRINTED CIRCUIT BOARD VIEWS 4 TX SR503 503E 8350 U02 DSP PC BOARD NADG 8514 Side B A 1 2 3 4 5 B C D...
Страница 46: ...TX SR503 503E 8350 E F G H...
Страница 48: ...PRINTED CIRCUIT BOARD VIEWS 4 TX SR503 503E 8350 U02 DSP PC BOARD NADG 8514 Side B A 1 2 3 4 5 B C D E F G H...