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

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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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Contents Chassis CN-001GM Table of Contents Product Safety Servicing Guidelines for Audio Video Products Safety Checks Subject Implosion Specifications Block Diagram Alignment Instructions Alignment Instructions Assembly Adjustments Geometric Adjustments S6 Contrast Parental Control Password Settings Page Exploded View Exploded View Page Page Electrical Parts List Electrical Parts List Fuse Coil Peaking 30K OHM J Auto FREE, 220V Differential Parts List Micom Outline IC Description KEY Function Valuev Appendix III. PIN Description M61250FP M61251FP Troubleshooting Guide C517 #51 SDA/SCL #41 #40 #34 #14 #15 #16 Check Voltage Vertical IC Vcc #38 Check Voltage Daewoo Electronics Corp