Daewoo DTQ-14V1FC Service Manual Download | Manualshive

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IC DESCRIPTION

6. Pin Description

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Summary of Contents for DTQ-14V1FC

Page 1: ...14U1FS 20U1FS DTQ 14V6NB 14V6NP DTQ 14V6FCB 14V6FCP DTQ 14V6FBB 14V6FPP DTQ 14V1FSP 20V1FSP DTQ 14V5FSP 20V4FSP DTQ 14U1FSP 20U1FSP DTQ 14V6NBP 14V6NPP S M No CN001A 020R1 Sep 2000 U S A Canada Americ...

Page 2: ...RECEIVERS 3 SPECIFICATIONS 5 BLOCK DIAGRAM 6 ALIGNMENT INSTRUCTIONS 7 SERVICE MODE ADJUSTMENTS 7 ASSEMBLY ADJUSTMENTS 8 IC DESCRIPTION 12 TROUBLE SHOOTING CHARTS 21 NO POWER 21 NO PICTURE 22 NO SOUND...

Page 3: ...PICTURE TUBE HOWEVER THIS TUBE DOES NOT EMIT X RAYS WHEN THE HIGH VOLT AGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERATION AT HIGHER VOLT AGES MAY CA...

Page 4: ...ck hazard and must be corrected imme diately GRAPHIC SYMBOLS The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of unin...

Page 5: ...4 Wall and shelf mounted installations using a commercial mounting kit must follow the factory approved mounting instructions A receiver mounted to a shelf or platform must retain its original feet o...

Page 6: ...nthesizer FS Tuning System TUNING RANGES VHF 2 13 12 UHF 14 69 56 CATV 1 125 125 SOUND OUTPUT 1 3 W 1 3 W 1 3 W 1 3 W SPEAKER 3 W 8 ohm ANTENNA INPUT IMPEDANCE 75 ohm Unbalanced AUXILIARY INPUT TERMIN...

Page 7: ...PLL DEMOD AGC AFT IF VCC 5V Z501 TRAP 4 5MHz L501 VCO VOIL 49 48 CHROMA LUMINANCE PROCESS HORIZONTAL VERTICAL PROCESS 46 44 ABL 13 VIDEO VER VCC 5V 43 EXT V IN 42 X RAY 34 19 20 21 RED GREEN BLUE 1 2...

Page 8: ...into the red Press the volume up or down button to enter in the service mode you wish to adjust 2 How to memorize the adjusted values in the service mode Must press DISPLAY button the state which the...

Page 9: ...SI 0 63 Align vertical DC bias using internal cross pattern S7 Vertical Size V SIZE 0 127 Align vertical amplitude using internal cross pattern S7 NO SD POWER OFF YES Automatically turn off in 15min f...

Page 10: ...lume up or down button the screen is changing like this Using the volume up or down button select internal cross pattern Select service adjustment S6 You can see the OSD as shown in below 4 1 Horizont...

Page 11: ...ume down adjust service adjustment data of RD GD BD and RB GB BB until a good gray scale with normal whites is obtained ALIGNMENT INSTRUCTIONS Press the DISPLAY button to memorize the data 6 DIGITAL P...

Page 12: ...lue to obtain normal brightness level Press the DISPLAY button to memorize the data CONTRAST Fixed value 10 TINT Fixed value 27 COLOR Fixed value 15 7 FACTORY OUTGOING MODE S12 FACT If you select the...

Page 13: ...P84 AN4 P85 AN5 P86 AN6 P87 AN7 RES FILT CVIN VS HS R G B BL I P60 SDA0 P61 SCLK0 P62 SDA1 P63 SCLK1 P70 INT0 P71 INT1 P72 INT2 TOIN P73 INT3 TOIN P00 P01 P02 P03 P04 P05 P06 P07 TV ONLY H CABLE H ST...

Page 14: ...nds of 16 x 32 dot characters used 16K bytes Various characters attributes Character colors 16 colors Character background colors 16 colors Fringe shadow colors 16 colors Full screen colors 16 colors...

Page 15: ...PLL IC Interface FS 181 Channel AIR 2 69CH CABLE 1 125CH AFT Operation Fine Tuning 2 5Fn 2 5MHz AIR CABLE STD HRC IRC Only Cable 5 6CH is that AFT range is cover over broad band 2 5MHzFn 3 5MHz Memor...

Page 16: ...America ENG SPA POR 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 5 The Table of Option and...

Page 17: ...16 IC DESCRIPTION 6 Pin Description...

Page 18: ...17 IC DESCRIPTION...

Page 19: ...18 IC DESCRIPTION...

Page 20: ...RGB VCC RED OUTPUT GREEN OUTPUT BLUE OUTPUT B AKB INPUT VERTICAL OUTPUT RAMP ALC FILTER HOR BUS VCC HOR AFC FILTER HORIZONTAL OUTPUT AUDIO OUT FM OUTPUT PIF AGC RF AGC OUT PIF INPUT1 PIF INPUT2 IF GND...

Page 21: ...801 POWER CONTROL MODULE PIN NO DESCRIPTION PIN NO DESCRIPTION 1 GATE DRIVE1 10 12V INPUT 2 OCP 11 POWER CONTROL 3 SOURCE 12 NC 4 GND1 13 GND2 5 GATE 14 133V INPUT 6 GATE DRIVE2 DPM 001 TI KSE 1 2 3 4...

Page 22: ...I101 34 OCP TUNER 33V R820 DR TRNS B 45V SOUND B 12V R817 R818 D812 5 6Vz Q805 C706 ST BY 5V 133V Q801 FET S R809 R802 G R803 D L802 C805 R804 Check F801 125V 4A Check D801 PBS208GU Check R801 7W 2 2...

Page 23: ...4 AFT 27 28 SDA SCL I101 SF101 SAW FILTER 5 6 10 8 11 12 Check IF Vcc 5V Check clock data signal Check clock data signal 3 4 Check IF AGC voltage Check RF AGC voltage 46 44 Z501 4 5M Trap Check the wa...

Page 24: ...28 SDA SCL I101 SF101 SAW FILTER 5 6 10 8 11 12 Check IF Vcc 5V Check clock data signal 3 Check IF AGC voltage e I601 TDA7267A 1 4 f 52 54 Check SIF output signal If no signal then change I101 Check S...

Page 25: ...I701 MICOM 11 12 29 30 T DATA T CLOCK 5V 33V IF OUT 14 AFT 27 28 SDA SCL h AGC IN XC701 32 768KHz 10 ST BY 5V Check the crystal I703 EEPROM 8 ST BY 5V 5 6 SDA SCL Check SDA SCL Check 5V 33V LINE 15 C1...

Page 26: ...19 20 21 RGB Vcc 9V Check the voltage R OUT G OUT B OUT Check R G B signal 43 Video Chroma Deflection Vcc Check the voltage X502 24 C507 C508 V RAMP ALC filter 5V Check the voltage 2 5V I301 LA7841 23...

Page 27: ...ote Control PREAMP ST BY 5V GND 34 OUT Check the waveform I701 MICOM XC701 32 768KHz 10 11 12 ST BY 5V Check the crystal 24 25 SDA SCL I101 16 17 Check clock data signal 20 21 V SYNC IN H SYNC IN Chec...

Page 28: ...LAR 50V EU 0 033MF J TP C105 CEXF1C471V C ELECTRO 16V RSS 470MF 10X12 5 TP C106 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C107 CEXF1H228V C ELECTRO 50V RSS 0 22MF 5X11 TP C301 CMXB1H103J C MYLAR 50V EU...

Page 29: ...3KCA C CHIP CERA 50V X7R 0 01MF K 2012 CC153 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 LOC PART CODE PART NAME DESCRIPTION CC154 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 CC155 HCBK103KCA C CHIP...

Page 30: ...9710A JP03 4859109150 JACK PIN BOARD PH JB 9615C LOC PART CODE PART NAME DESCRIPTION L111 58C5580019 COIL CHOKE TRF 9225 0 55UH L112 5CPZ220K02 COIL PEAKING 22UH K AXIAL 3 5MM L501 58N0000042 COIL VC...

Page 31: ...1 4 560 OHM J R820 RD 4Z392J R CARBON FILM 1 4 3 9K OHM J LOC PART CODE PART NAME DESCRIPTION R822 RD 4Z363J R CARBON FILM 1 4 36K OHM J R883 DEC7R0M140 POSISTOR ECPAC7R0M140 R888 RC 2Z565KP R CARBON...

Page 32: ...10 3 9K OHM J 2012 RC792 HRFT102JCA R CHIP 1 10 1K OHM J 2012 RC793 HRFT102JCA R CHIP 1 10 1K OHM J 2012 LOC PART CODE PART NAME DESCRIPTION RC794 HRFT102JCA R CHIP 1 10 1K OHM J 2012 RC795 HRFT103JCA...

Page 33: ...DY CDY S2016 V01 0 1 4850PM001 MAGNET CP NY 225 MINI NECK V05 1 0 4850PM010 MAGNET CP NY 88DTA V05 0 1 48A96220C1 CRT BARE A48AGY13X V901 0 1 48A96314C3 CRT BARE A34KQV42X V901 1 0 58G0000078 COIL DE...

Page 34: ...33 EXPLODED VIEW 1 DTQ 14V1FS...

Page 35: ...34 EXPLODED VIEW 2 DTQ 14V3FS...

Page 36: ...35 EXPLODED VIEW 3 DTQ 14V5FC FS...

Page 37: ...36 EXPLODED VIEW 4 DTQ 14U1FS...

Page 38: ...37 EXPLODED VIEW 5 DTQ 20V1FS...

Page 39: ...38 EXPLODED VIEW 6 DTQ 20V3FS...

Page 40: ...39 EXPLODED VIEW 7 DTQ 20V4FS...

Page 41: ...40 EXPLODED VIEW 8 DTQ 20U1FS...

Page 42: ...41 9 DTQ 14V6 EXPLODED VIEW...

Page 43: ...1 Mon Aug 09 09 48 04 1999...

Page 44: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail djkoo web dwe co kr TEL 82 2 360 8176 8180 8187 FAX 82 2 360 8184...

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