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LC-22DV510
LC-24DV510
CIRCUIT DESCRIPTIONS
2. TUNER(TU102)
A horizontal mounted and Digital Half-NIM tuner is used in the product, which covers 3 Bands(From 48MHz
to 862MHz for COFDM, from 45.25MHz to 863.25MHz for CCIR CH). The tuning is available through the
digitally controlled I2C bus (PLL). Below you will find info about the tuner.
In active antenna option, the following circuit are used. ANT_CTRL pin is controlled by microcontroller. If
ANT_CTRL is low, ANT_PWR will be low. If ANT_CTRL is high, ANT_PWR will be logic high.
OVER_CUR_DETECT pin is a monitor for short circuit in antenna. OVER_CUR_DETECT is low,
ANT_CTRL will be low, so ANT_PWR will be low. Finally, short circuit protection is done by circuits and
microcontroller.
Содержание LC-22DV510K
Страница 19: ...19 LC 22DV510 LC 24DV510 1 1 General Block Diagram 1 1 General Block Diagram ...
Страница 27: ...27 LC 22DV510 LC 24DV510 4 4 Frequency response ...
Страница 29: ...29 LC 22DV510 LC 24DV510 5 3 Absolute Ratings 5 3 1 Electrical Characteristics ...
Страница 30: ...30 LC 22DV510 LC 24DV510 5 3 2 Operating Specifications ...
Страница 31: ...31 LC 22DV510 LC 24DV510 5 4 Pinning ...
Страница 33: ...33 LC 22DV510 LC 24DV510 6 3 2 Operating Specifications 6 4 Pinning ...
Страница 35: ...35 LC 22DV510 LC 24DV510 Ì µ µ ò Ú ĞÉîê ĞÉîé µ º ò Ú ĞÍïêô ĞÍïéô ĞÍêğ µ µ ò ...
Страница 48: ...48 LC 22DV510 LC 24DV510 12 4 Pinning 11 4 ...
Страница 49: ...49 LC 22DV510 LC 24DV510 ...
Страница 51: ...51 LC 22DV510 LC 24DV510 ...
Страница 64: ...64 LC 22DV510 LC 24DV510 23 3 VGA CN132 23 CONNECTORS 23 1 SCART SC1 23 2 HDMI CN707 CN708 22 2 22 1 22 ...
Страница 65: ...65 LC 22DV510 LC 24DV510 23 3 VGA CN132 22 3 ...
Страница 67: ...67 LC 22DV510 LC 24DV510 24 1 Video Settings 23 1 Video Settings 24 2 Audio Settings 23 2 Audio Settings ...
Страница 68: ...68 LC 22DV510 LC 24DV510 23 3 Options Options Options 1 Options 2 ...
Страница 69: ...69 LC 22DV510 LC 24DV510 24 3 Tuning Settings 23 4 Tuning Settings 23 5 Source Settings 24 4 Source Settings ...
Страница 74: ...74 LC 22DV510 LC 24DV510 4 Hardware Architecture Connector Arrangement ...
Страница 75: ...75 LC 22DV510 LC 24DV510 Block Diagram ...
Страница 78: ...78 LC 22DV510 LC 24DV510 STBY_ON OFF should be low for standby on condition please check R1677 ...
Страница 86: ...86 LC 22DV510 LC 24DV510 NOTES ...
Страница 98: ...98 LC 22DV510 LC 24DV510 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A Power Supply Diagram ...
Страница 99: ...99 LC 22DV510 LC 24DV510 Led Converter Diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 I H G F E D C B A ...
Страница 100: ...100 LC 22DV510 LC 24DV510 29 PRINTED WIRING BOARD Main Unit PWB Top Side ...
Страница 120: ...120 LC 22DV510 LC 24DV510 Notes ...
Страница 123: ...123 LC 22DV510 LC 24DV510 Notes ...