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Daewoo DTQ-14V1FCN/20V1FCN, Service Manual

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Daewoo DTQ-14V1FCN/20V1FCN Service Manual Download Page 26

25

EXPLODED VIEW

6. DTQ-20V3FSN

Summary of Contents for DTQ-14V1FCN/20V1FCN

Page 1: ...14V5FSN 20V4FSN DTQ 14V3FSN 20V3FSN DTQ 14U1FSN 20U1FSN DTQ 14V1FSPN 20V1FSPN DTQ 14V5FSPN 20V4FSPN DTQ 14U1FSPN 20U1FSPN S M No CN001N 010 Dec 2000 U S A Canada Middle America AC 110V Mexico Chile P...

Page 2: ...3 SPECIFICATIONS 5 BLOCK DIAGRAM 6 ALIGNMENT INSTRUCTIONS 7 SERVICE MODE ADJUSTMENTS 7 ASSEMBLY ADJUSTMENTS 8 PARENTAL CONTROL PASSWORD SETTINGS 12 VOLTAGE CHART 13 WAVEFORMS 16 SCHEMATIC DIAGRAM 19 E...

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: ...cy Synthesizer 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 T...

Page 7: ...6 BLOCK DIAGRAM A MUTE H 5...

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 27 TINT Fixed value 32 COLOR Fixed value 20 7 FACTORY OUTGOING MODE S12 FACT If you select the...

Page 13: ...e remote control to the reception window of your TV VCR Push buttons of remote control in sequence as follows 1 MUTE INFO MUTE Then the screen will appear as follows Using the channel up or down butto...

Page 14: ...2 79 0 31 33 0 0 34 0 0 35 0 36 0 36 3 41 0 37 0 55 0 38 2 81 0 35 39 3 27 0 40 0 0 41 0 0 42 2 52 0 43 4 95 0 5 MODE LOC PIN ON OFF 44 2 73 0 45 1 94 0 46 2 36 0 47 2 44 0 48 4 25 0 51 49 4 25 0 51...

Page 15: ...17 4 65 4 99 18 4 14 4 99 19 0 0 20 0 0 21 0 0 22 0 0 23 NC NC 24 NC NC 25 0 0 MODE LOC PIN ON OFF I701 26 0 0 27 3 81 3 46 28 4 97 4 92 29 4 77 4 71 30 5 04 4 99 31 4 08 0 32 5 04 4 99 33 0 0 34 5 04...

Page 16: ...0 Q404 E 0 0 B0 0 C 9 71 0 Q602 E 1 69 0 B 2 31 0 C 5 02 4 99 Q701 E 0 0 B0 0 C 5 02 5 Q702 E 0 0 B0 0 MODE LOC PIN ON OFF C 5 02 5 Q703 E 0 0 B0 0 C 4 93 4 9 Q704 E 4 95 4 92 B 4 32 4 29 C 5 02 4 2 Q...

Page 17: ...16 WAVEFORMS 1 I101 PIN 19 2 I101 PIN 20 3 I101 PIN 21 4 I101 PIN 23 5 I101 PIN 40 5 I101 PIN 44 7 I101 PIN 46 8 I301 PIN7...

Page 18: ...17 WAVEFORMS 9 I701 PIN 7 10 I701 PIN 17 1 I701 PIN 18 12 I801 PIN 2 13 T402 PIN 25 5V 14 T402 PIN 10 5V 15 T402 PIN HEATER 16 T402 PIN 200V...

Page 19: ...18 WAVEFORMS 17 T401 PIN H V 18 T801 PIN 133V 19 Q403 COLLECT OR 20 CR T SOCKET PIN B 21 CR T SOCKET PIN R 22 CR T SOCKET PIN G...

Page 20: ...19 SCHEMATIC DIAGRAM...

Page 21: ...20 EXPLODED VIEW 1 DTQ 14V1FSN...

Page 22: ...21 EXPLODED VIEW 2 DTQ 14V3FSN...

Page 23: ...22 EXPLODED VIEW 3 DTQ 14V5FCN FSN...

Page 24: ...23 EXPLODED VIEW 4 DTQ 14U1FSN...

Page 25: ...24 EXPLODED VIEW 5 DTQ 20V1FSN...

Page 26: ...25 EXPLODED VIEW 6 DTQ 20V3FSN...

Page 27: ...26 EXPLODED VIEW 7 DTQ 20V4FSN...

Page 28: ...27 EXPLODED VIEW 8 DTQ 20U1FSN...

Page 29: ...OLDER POWER BAR S62S PB37 SB1 20 2193011101 SOLDER WIRE RS 60 1 2 1 6A 30 2291050615 FLUX SOLDER DF 2012U 40 2291050301 FLUX SOLVENT IM 1000 50 2291140501 WAX COVER 80 2TP07545CL TAPE OPP 45X50 CLEAR...

Page 30: ...50V CH 270PF J 2012 CC904 HCQK271JCA C CHIP CERA 50V CH 270PF J 2012 JC701 HRFT000 CA R CHIP 1 10 0 OHM 2012 JC702 HRFT000 CA R CHIP 1 10 0 OHM 2012 LOC PART CODE PART NAME DESCRIPTION REMARK JC703 H...

Page 31: ...MPJ0H488 PCB MAIN RHU AS DTQ 14V1FCN C105 CEXF1C471V C ELECTRO 16V RSS 470MF 10X12 5 TP C310 CEXF1E102V C ELECTRO 25V RSS 1000MF 13X20 TP LOC PART CODE PART NAME DESCRIPTION REMARK C410 CEXF2E100V C E...

Page 32: ...J C MYLAR 50V MEU 1MF J C507 CMXM2A224J C MYLAR 100V 0 22MF J LOC PART CODE PART NAME DESCRIPTION REMARK C508 CMXM2A224J C MYLAR 100V 0 22MF J C509 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C511 CMXM2A...

Page 33: ...PING D851 DUZ8R2BM DIODE ZENER UZ 8 2B J001 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J002 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J009 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J0...

Page 34: ...RBON FILM 1 4 3K OHM J R579 RD 4Z102J R CARBON FILM 1 4 1K OHM J R591 RD 4Z331J R CARBON FILM 1 4 330 OHM J LOC PART CODE PART NAME DESCRIPTION REMARK R592 RD 4Z331J R CARBON FILM 1 4 330 OHM J R593 R...

Page 35: ...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 FAX 02 360 7877 TEL 02 360 7806...

Page 36: ...1 IC DESCRIPTION U COM I701 X TAL 32 768 KHz Appendix...

Page 37: ...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 Rounding Underline Italic cha...

Page 38: ...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 Memorize Channels If a...

Page 39: ...h 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 a...

Page 40: ...that comes from the 10 pin of LA76810 14 Connect this port to AGC of Tuner Default Voltage 3 75V Variable Voltage 3 25V 3 5V 4 0V Use only japan Model This port uses when is Stand By status Condition...

Page 41: ...ow RF AV mode Low DC 0V On Auto Tint High DC 5V Off Use only to control Sound of Stereo mode High DC 5V No Blue Back Low DC 0V Blue Back Low DC 0V Normal High DC 5V Prison Low DC 0V Mono High DC 5V St...

Page 42: ...CC 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 IF V...

Page 43: ...8 TROUBLESHOOTING GUIDE 1 NO POWER Appendix...

Page 44: ...9 TROUBLESHOOTING GUIDE 2 NO PICTURE Check the waveform of I101 46 NG GO to the figure c OK Go the figure d 1701 MICOM Appendix...

Page 45: ...10 TROUBLESHOOTING GUIDE 3 NO SOUND Check audio output signal of I101 1 NG Go to the figure e OK Go to the figure f g 1701 MICOM Appendix...

Page 46: ...11 TROUBLESHOOTING GUIDE 4 CH DON T STOP Check the input signal conditions NG Loss of signal or weak signal OK Go to the figure h Appendix...

Page 47: ...12 TROUBLESHOOTING GUIDE 5 NO COLOR 6 NO VERTICAL DEFLECTION Appendix...

Page 48: ...13 TROUBLESHOOTING GUIDE 7 NO ON SCREEN DISPLAY 8 REMOTE CONTROL DOES NOT OPERATE Appendix...

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