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Daewoo DTQ-14P2FCM, Service Manual

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7. DTQ-20V4FSM

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Summary of Contents for DTQ-14P2FCM

Page 1: ...TQ 14U1FSM SSM 20U1FSM SSM DTQ 20P2SSM 15U5FSM DTQ 20V1 V3 V4FSM DTQ 20V1 V3 V4 V8 V9SSM Middle America AC 110V DTQ 14V1 V4 V5FSPM DTQ 14V1 V4 V5 U1SSPM DTQ 14V6NBPM NPPM DTQ 20V1 V4FSPM DTQ 20V1 V3 V...

Page 2: ...IFICATIONS 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 EXPLODE...

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: ...ANCE 75 ohm Unbalanced AUXILIARY INPUT TERMINAL Front Video Audio Rear Video Audio P Series Without Video Audio INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75 MHz Sound IF Carrier Frequen...

Page 7: ...A MUTE H 5 D881 D884 MR2520 I805 I806 Coupler LA78041 2 BLOCK DIAGRAM 6...

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: ...V SC 0 0 31 Must be set to 7 Vertical Linearity V LIN 18 0 31 Must be set to 18 S7 Internal Black Display internal BLACK pattern Internal 100 White Display internal 100 WHITE Internal 60 White Displa...

Page 10: ...rs Press the DISPLAY button to memorize the data IF CONTROL AUTO RFAGC START VIDEOL 7 RFAGCD 10 FM LEV 30 AGC POINT 3 75 MOVE ADJUST RECALL SET 2 ASSEMBLY ADJUSTMENTS 1 SCREEN ADJUSTMENT S2 Enter the...

Page 11: ...tton select internal cross pattern Select service adjustment S6 You can see the OSD as shown in below 4 1 Horizontal Position Adjustment Select H PHASE item adjust H PHASE data value to obtain proper...

Page 12: ...eceive a good local channel Enter the service mode and select service adjustment S9 You can see the OSD as shoown in below D P SUB BRIGHTNESS 64 CONTRAST 20 TINT 32 COLOR 32 MOVE ADJUST RECALL SET 5 W...

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

Page 14: ...15 1 39 0 2 25 7 0 16 1 39 0 3 2 27 3 63 17 0 0 4 0 0 18 8 11 0 235 5 13 65 0 19 2 61 0 232 6 26 2 0 43 20 2 57 0 7 2 21 0 21 2 71 0 LOC PIN MODE 22 NC NC ON OFF 23 2 27 0 I401 1 7 66 0 24 2 59 0 2 0...

Page 15: ...8 4 99 4 91 8 5 01 4 95 9 5 04 4 95 LOC PIN MODE 10 0 0 ON OFF 11 2 28 0 I801 1 2 47 0 12 0 4 88 2 2 33 1 33 13 4 93 4 87 3 0 0 14 3 71 3 64 4 18 28 9 19 15 2 66 2 44 5 137 2 145 16 0 4 88 6 0 067 0...

Page 16: ...Q402 C 130 2 102 3 Q707 C 5 05 4 98 E 0 0 E 0 18 4 19 B 0 0 B 0 06 4 89 Q404 C 10 23 0 Q804 C 0 0 E 0 0 E 132 6 102 2 B 0 0 B 132 2 102 2 Q501 C 0 0 Q805 C 12 12 7 19 E 3 59 0 E 5 03 4 96 B 4 53 0 B...

Page 17: ...2 I101 PIN 20 V 1V div H 25us div 3 I101 PIN 21 V 1V div H 25us div 4 I101 PIN 23 V 500mV div H 5ms div 5 I101 PIN 40 V 500mV div H 25us div 6 I101 PIN 44 V 500mV div H 25us div 7 I101 PIN 46 V 500mV...

Page 18: ...IN 17 V 2V div H 25us div 11 I701 PIN 18 V 20V div H 25us div 12 I801 PIN 7 V 100V div H 10us div 13 T402 PIN 25 5V V 100V div H 25us div 14 T402 PIN 10 5V V 50V div H 25us div 15 T402 PIN HEATER V 10...

Page 19: ...H V V 100V div H 25us div 18 T801 PIN 133V V 100V div H 10us div 19 Q401 COLLECTOR V 5V div H 25us div 20 CRT SOCKET PIN B V 50V div H 25us div 21 CRT SOCKET PIN R V 50V div H 25us div 22 CRT SOCKET P...

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

Page 21: ...20 EXPLODED VIEW 1 DTQ 14V1FSM...

Page 22: ...21 EXPLODED VIEW 2 DTQ 14V3FSM...

Page 23: ...22 EXPLODED VIEW 3 DTQ 14V5FCM FSM...

Page 24: ...23 EXPLODED VIEW 4 DTQ 14U1FSM...

Page 25: ...24 EXPLODED VIEW 5 DTQ 20V1FSM...

Page 26: ...25 EXPLODED VIEW 6 DTQ 20V3FSM...

Page 27: ...26 EXPLODED VIEW 7 DTQ 20V4FSM...

Page 28: ...27 EXPLODED VIEW 8 DTQ 20U1FSM...

Page 29: ...CMYE2D434J C MYLAR 200V PU 0 43MF J C801 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 C804 CEYN2D331P C ELECTRO 200V LHS 330MF D703 DLH2PR LED BLOCK LH 2P R I101 1LA76845N IC LA76845N I301 PTD2...

Page 30: ...1608 RC751 HRFS471JBA R CHIP 1 16 470 OHM J 1608 29 z_loc z_parts_code parts_name parts_descr RC752 HRFS471JBA R CHIP 1 16 470 OHM J 1608 RC755 HRFS102JBA R CHIP 1 16 1K OHM J 1608 RC756 HRFS102JBA R...

Page 31: ...100V 0 01MF J TP C302 CEXF1H479V C ELECTRO 50V RSS 4 7MF 5X11 TP C303 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C305 CEXF1H101V C ELECTRO 50V RSS 100MF 8X11 5 TP C307 CXSL2H100D C CERA 500V SL 10PF D...

Page 32: ...3Z C CERA 50V F 0 01MF Z C155 CCZF1H103Z C CERA 50V F 0 01MF Z C527 CCZB1H102K C CERA 50V B 1000PF K AXIAL 31 z_loc z_parts_code parts_name parts_descr C551 CCZB1H101K C CERA 50V B 100PF K AXIAL C552...

Page 33: ...065GY WIRE COPPER AWG22 1 0 65 TIN COATING J570 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J652 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J708 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATIN...

Page 34: ...5801065GY WIRE COPPER AWG22 1 0 65 TIN COATING R807 RD 2Z105J R CARBON FILM 1 2 1M OHM J R813 RD 4Z363J R CARBON FILM 1 4 36K OHM J R819 RD 4Z561J R CARBON FILM 1 4 560 OHM J R820 RD 4Z392J R CARBON F...

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...

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: ...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 VCC...

Page 43: ...R on H PWR off L R875 R873 R824 D806 D805 4 5 6 7 8 3 2 1 D871 I803 R868 I806 LTV817 I804 LTV827 I805 LTV817 D811 C891 C892 C807 R805 D810 R892 R891 L811 C809 Check Waveform 6 5 11 10 12V C871 R872 R8...

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 MEMORY or SKIP Check the input signal conditions NG Loss of signal or weak signal OK Go to the figure h Appendix Check T SDA SCL 4 5 6 7...

Page 47: ...12 TROUBLESHOOTING GUIDE 5 NO COLOR 6 NO VERTICAL DEFLECTION Appendix 36 check the Voltage 3 4V 6...

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

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