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Service Manual

Color Television 

CHASSIS : CN-001G

Model

S/M No.:TCN001GEF0

DTQ-14P2/P3FCG

DTQ-14P2/V1FCWG/P2SCG

DTQ-14V1/V5FCG/V1/V4SCG

DTQ-14V5FCNG/15U5SCG

DTQ-14V6FCBG/FCPG/FBBG/FPPG

DTQ-14J4FCGG/FCCG

DTQ-20V1/V4/V5FCG

DTQ-20V1/V4SCG

DTQ-20P2/P3FCG/P2SCG

U.S.A

CANADA

(AC120V)

DTQ-14V6NBG/NPG

DTQ-14V1/V3/V5FSG

DTQ-14V1/V3/V4/V5/V8/V9SSG

DTQ-14U1FSG/SSG/20U1FSG/SSG

DTQ-20P2SSG/15U5FSG/SSG/15U7SSG

DTQ-20V1/V3/V4FSG

DTQ-20V1/V3/V4/V5/V8/V9SSG

Middle America

(AC 110V)

DTQ-14V1/V4/V5FSPG

DTQ-14V1/V4/V5/U1SSPG

DTQ-14V6NBPM/NPPG

DTQ-20V1/V4FSPG

DTQ-20V1/V3/V4/U1SSPG

DTQ-15U5SSPG

DTQ-14V1/V4/V8SSFG
DTQ-20V1/V4/V8SSFG

DTQ-14V4/20V4FCFG

Chile, Peru, Philippines

(AC220V)

(AC90~250)

Korea, USA, Japen(AC90~260V)

http : //svc.dwe.co.kr

Caution

 : In this Manual, some parts can be changed for improving. their
   performance without notice in the parts list. So, if you need the
   latest parts information, please refer to PPL(Parts Price List)in 
   Service Information Center(http://svc.dwe.co.kr)

DAEWOO ELECTRONICS Corp.

Summary of Contents for DTQ-14P2/P3FCG

Page 1: ...7SSG DTQ 20V1 V3 V4FSG DTQ 20V1 V3 V4 V5 V8 V9SSG Middle America AC 110V DTQ 14V1 V4 V5FSPG DTQ 14V1 V4 V5 U1SSPG DTQ 14V6NBPM NPPG DTQ 20V1 V4FSPG DTQ 20V1 V3 V4 U1SSPG DTQ 15U5SSPG DTQ 14V1 V4 V8SSF...

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: ...nbalanced 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 Frequency 41 25 MHz...

Page 7: ...BLOCK DIAGRAM 6...

Page 8: ...m turns 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 wh...

Page 9: ...O NO YES NO NO YES 38 0 63 Black stretch discharge Black stretch charge Forwarding Mode Killer level Take off ABCL Gain AFT defeat HVBLK off Sharpness Video Tsharp ABCL Blackstre off SsliceDown2 Sslic...

Page 10: ...Y button to memorize the data 2 ASSEMBLY ADJUSTMENTS 1 SCREEN ADJUSTMENT S2 Enter the service mode and select service adjustment S2 You cna see the one horizontal line on the screen Adjust the Screen...

Page 11: ...roper horizontal centering of the internal cross pattern at the left and right of the screen 4 2 Vertical SHIFT Adjustment Select V SHIFT item adjust V SHIFT data value to center the raster properly o...

Page 12: ...DJUSTMENT Receive a good local channel Enter the service mode and select service adjustment S9 You can see the OSD as shoown in below D P BRIGHTNESS 64 CONTRAST 12 TINT 42 COLOR 15 SHARPNESS 38 MOVE A...

Page 13: ...n the set on Direct the 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...

Page 14: ...5 7 2 99 0 26 3 71 5 05 27 3 71 5 05 ON ON ON ON OFF OFF OFF OFF 28 5 0 1 12 76 9 92 29 2 49 2 36 2 6 65 0 30 5 5 03 3 6 88 0 31 2 74 0 4 0 824 0 32 5 64 5 68 5 0 0 33 2 09 0 6 0 0 34 3 24 3 19 7 0 0...

Page 15: ...6 14 0 15 5 03 16 0 96 17 1 4 18 0 19 0 20 5 05 21 0 22 5 05 23 1 69 24 2 14 25 0 27 26 2 47 27 5 28 1 98 29 5 04 30 3 67 31 3 72 32 5 04 33 0 34 0 35 0 36 0 37 4 86 38 4 25 39 2 8 40 5 05 41 0 42 5 0...

Page 16: ...C 17 12 11 6 E 2 07 0 E 8 49 8 37 B 1 76 0 B 9 08 8 95 C 0 3 0 C 6 49 0 E 9 8 0 39 E 0 0 B 9 9 0 B 0 0 65 C 6 86 0 C 5 05 5 05 E 0 0 E 0 4 34 B 0 0 69 B 0 0 C 13 99 8 4 C 5 04 5 05 E 5 04 5 06 E 0 0...

Page 17: ...2 I101 PIN 15 V 1V div H 25us div 3 I101 PIN 16 V 1V div H 25us div 4 I101 PIN 5 V 500mV div H 5ms div 5 I101 PIN 40 V 500mV div H 25us div 6 I101 PIN 58 V 500mV div H 25us div 7 I101 PIN 63 V 10V di...

Page 18: ...IN 38 V 20V div H 25us div 10 I801 PIN 7 V 100V div H 10us div 11 T402 PIN 25 5V V 100V div H 25us div 12 T402 PIN 10 5V V 50V div H 25us div 13 T402 PIN HEATER V 10V div H 25us div 14 T402 PIN 180V V...

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: ...19 SCHEMATIC DIAGRAM...

Page 21: ...20 EXPLODED VIEW 1 DTQ 14V1FSG...

Page 22: ...21 EXPLODED VIEW 2 DTQ 14V3FSG...

Page 23: ...22 EXPLODED VIEW 3 DTQ 14V5FCG FSG...

Page 24: ...23 EXPLODED VIEW 4 DTQ 14U1FSG...

Page 25: ...24 EXPLODED VIEW 5 DTQ 20V1FSG...

Page 26: ...25 EXPLODED VIEW 6 DTQ 20V3FSG...

Page 27: ...26 EXPLODED VIEW 7 DTQ 20V4FSG...

Page 28: ...27 EXPLODED VIEW 8 DTQ 20U1FSG...

Page 29: ...V BUP 7200PF H C801 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 z_loc z_parts_code parts_name parts_descr remark C804 CEYN2D331P C ELECTRO 200V LHS 330MF D703 DLH2PR LED BLOCK LH 2P R I301 PTD2...

Page 30: ...HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC751 HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC917 HRFT241JBA R CHIP 1 10 240 OHM J 1608 29 z_loc z_parts_code parts_name parts_descr RC918 HRFT241JBA R CHIP 1 1...

Page 31: ...V C ELECTRO 50V RSS 10MF 5X11 TP C576 CEXF1C221V C ELECTRO 16V RSS 220MF 8X11 5 TP C603 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C604 CEXF1C470V C ELECTRO 16V RSS 47MF 5X11 TP z_loc z_parts_code parts...

Page 32: ...37G DIODE 1N4937G TAPPING D409 D1N4148 DIODE 1N4148 TAPPING D501 DUZ5R1B DIODE ZENER UZ 5 1B D507 DUZ9R1BM DIODE ZENER UZ 9 1BM D509 D1N4148 DIODE 1N4148 TAPPING D525 D1N4148 DIODE 1N4148 TAPPING D571...

Page 33: ...PPER AWG22 1 0 65 TIN COATING J85 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J88 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J89 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J9 85801065GY...

Page 34: ...J R878 RN 4Z1003F R METAL FILM 1 4 100K OHM F R879 RN 4Z1502F R METAL FILM 1 4 15K OHM F R888 RC 2Z565KP R CARBON COMP 1 2 5 6M OHM K R890 RD 4Z152J R CARBON FILM 1 4 1 5K OHM J R892 RD 4Z152J R CARBO...

Page 35: ......

Page 36: ...h automatic solid space OSD mode border Display position Horizontal 128 levels Vertical 512 levels 3 System Feature The system for TV tuning is Frequency Synthesis type Closed Caption s function is bu...

Page 37: ...mory 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 th...

Page 38: ...ries 41 PRISON LOW DC 0V NORMAL L Normal Video HIGH DC 5V PRISON H Clock Menu TIME delete KEY FUNCTION VALUE V SW701 POWER 0 0 55 SW705 VOL 2 25 2 75 SW704 VOL 2 76 3 25 SW703 CH 3 26 3 75 SW702 CH 3...

Page 39: ...KEY1 P22 SIN AD7 SDA P23 TIM3 SCL S MUTE P24 TIM2 P15 POWER P25 INT3 FSCIN FSC IN NC P26 XIN RESET RESET NC P27 XOUT CVIN CCD CVBS CNVSS CNVSS VHOLD CCD V HOLD GND X IN HLF CCD HLF NC X OUT FILT FILT...

Page 40: ...or Data Slicer 24 HLF 25 VHOLD CCD V HOLD I O CCD HLF I O 5V Positive Power Supply Clock Oscillation Filter I O for Data Slicer 23 FILT FILT I 22 VCC VCC I GND Negative Power Supply 20 X OUT 21 VSS VS...

Page 41: ...OUT CHROMA APC FILTER EXT C IN Hi Vcc SIF LIMITER IN G OUT X TAL 3 58 V RAMP OUT V RAMP F B VIDEO CHROMA Vcc 1 V RAMP CAP ACL ABCL VIDEO CHROMA Vcc 2 NC START UP Vcc 8 7V REG OUT AUDIO ATT Cr IN Cb I...

Page 42: ...7 TROUBLESHOOTING GUIDE 1 NO POWER Appendix...

Page 43: ...40 42 63 2 3 62 59 58 41 26 27 64 7 31 30 22 VCC 5V 41 8 C517 DEF 180V 39 40 12 14 15 16 33...

Page 44: ...40 42 7 31 30 22 63 64 2 4 26 27 50 48 43 Z502 4 5M Trap Check ATT FILTER Circut C603 51 9...

Page 45: ...31 30 11 7 40 42 22 63 59 2 64 Vcc 5V Check T SDA SCL SVC S5 Key input Vco adjust 10...

Page 46: ...41 14 15 16 34 40 40 38 5 6 1 5 Check the voltage 25V Vertical IC Vcc 25V 11...

Page 47: ...37 38 22 33 36 35 34 24 21 22 23 27 26 30 31 Vcc 5V 15 22 Vcc 5V Check the voltage 12...

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