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LC-40SH340E
LC-40SH340K
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.
Summary of Contents for LC-40SH340E
Page 8: ...8 LC 40SH340E LC 40SH340K END OF LIFE DISPOSAL ...
Page 17: ...17 LC 40SH340E LC 40SH340K 1 1 General Block Diagram ...
Page 25: ...25 LC 40SH340E LC 40SH340K 4 4 Frequency response ...
Page 27: ...27 LC 40SH340E LC 40SH340K 5 3 Absolute Ratings 5 3 1 Electrical Characteristics ...
Page 28: ...28 LC 40SH340E LC 40SH340K 5 3 2 Operating Specifications ...
Page 29: ...29 LC 40SH340E LC 40SH340K 5 4 Pinning ...
Page 31: ...31 LC 40SH340E LC 40SH340K 6 3 2 Operating Specifications 6 4 Pinning ...
Page 46: ...46 LC 40SH340E LC 40SH340K 12 4 Pinning 11 4 ...
Page 47: ...47 LC 40SH340E LC 40SH340K ...
Page 49: ...49 LC 40SH340E LC 40SH340K ...
Page 62: ...62 LC 40SH340E LC 40SH340K 23 CONNECTORS 23 1 SCART SC1 23 2 HDMI CN707 CN708 22 22 2 22 1 ...
Page 63: ...63 LC 40SH340E LC 40SH340K 23 3 VGA CN132 22 3 ...
Page 65: ...65 LC 40SH340E LC 40SH340K 24 1 Video Settings 24 2 Audio Settings 23 1 23 2 ...
Page 66: ...66 LC 40SH340E LC 40SH340K 23 3 Options ...
Page 67: ...67 LC 40SH340E LC 40SH340K 23 4 Tuning Settings 23 5 Source Settings ...
Page 90: ...90 LC 40SH340E LC 40SH340K 28 PRINTED WIRING BOARD Main Unit PWB Top Side ...
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