Daewoo DTQ-20D4SSFM, DTQ-14D4SSFM service manual IC Description

IC DESCRIPTION

-Closed Caption Mode. (Off<-->C1<-->C2<-->T1<-->T2<-->Off)

-CC On Mute.(Off / On)

-When CC On Mute is On, Output is selected a item of Closed Caption Modes.

3)Tuning Function.

-I2C Bus.

-PLL IC Interface.

-FS 181 Channel (AIR 2-69CH, CABLE 1-125CH)"

-AFT Operation(Fine Tuning ) -2.5 ~ Fn ~ +2.5MHz

-AIR/CABLE (STD, HRC, IRC ). Only Cable 5,6CH is that AFT range is cover over broad-band. -2.5MHz ~ Fn ~ +3.5MHz.

-Auto Program.(If a channel is broadcasting, the channel is memorized.)"

-Direct Tuning(0 ~ 9KEY)

-Channel Up/Down.(Memorized Channels) -> The Ch Up/Down buttons on the Remote and on the front panel are same function.

-Search Channel Up/Down.(If No-Memory or only 1CH is Memory)

-Channel Memory.(ADD/DELETE)

-Channel Review Function.

-Last Channel Memory Function.

4)OSD Function.

-In Video Mode, Things(Items) that is concerned with Air and Cable disappear in the Menu."

-Channel, AV display.

-Small & Graphic ICON Menu.

-Volume, Picture Control --> I2C Bus Control

5)The Others Function.

-Video/Audio Mute Function.

-If a Channel is no signal, it is Auto-Power Off Function after 15 minutes."

-Heat Run Function. --- OSD White Background.

-Sleep Timer, Wake-Up Time, Off Time Function. "

-Audio Mode :Mono

-TV/Line Controlled function- ----------------------- (Option)

-Prison Controlled function- ----------------------- (Option)

-3-Language.(North America : ENG/SPA/FRA ).

-E2PROM Interface (I2C Bus Control)

-CH 6 TRAP Function.(IS-31 )

-PLL IC Band Data.(Control Byte 2-->P3~P0)

VHF L : 1 / VHF H : 2 / CH6 TRAP : 5 (IS-31) AIR(Cable) CH 6 Only UHF : 8

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