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Daewoo DTQ-14Z5SC, Service Manual, Page: 1 / 35

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 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.

Service Manual

 

Color Television

CHASSIS :

Model : 

CN-001

P

DTQ-

14Z5SC

AUG. 2005

S/M No. : TCN001PEF0

Summary of Contents for DTQ-14Z5SC

Page 1: ...ving 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 Service Manual Color Television C...

Page 2: ...ASSEMBLY ADJUSTMENTS 9 PARENTAL CONTROL PASSWORD SETTINGS 12 VOLTAGE CHART 13 SCHEMATIC DIAGRAM 15 EXPLODED VIEW 16 PRINTED CIRCUIT BOARD 17 ELECTRICAL PARTS LIST 19 WAVEFORMS 24 IC DESCRIPTION 27 TR...

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: ...125 125 SOUND OUTPUT 1 3W SPEAKER 3W 8 ohm ANTENA INPUT IMPEDANCE 75ohm Unbalanced AUXILIARY INPUT TERMINAL Front Video Audio INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75MHz Sound IF Ca...

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

Page 8: ...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 scree...

Page 9: ...8 ALIGNMENT INSTRUCTIONS Table B...

Page 10: ...ress the DISPLAY 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 Adj...

Page 11: ...e to obtain proper 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 rast...

Page 12: ...ENT 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 Subbrightness 64 Contrast 8 Tint 44 Color 15 Sharp 15 MOVE ADJUST RE...

Page 13: ...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 channel up o...

Page 14: ...20 0 0 2 26 2 0 21 0 57 0 3 2 14 0 22 0 0 4 0 0 23 0 5 0 33 5 12 61 0 24 0 49 0 33 6 26 7 3 12 25 0 0 7 2 24 0 26 5 01 4 94 27 0 4 86 ON OFF 28 0 0 1 6 12 0 25 29 0 0 27 2 13 3 8 94 30 4 8 0 3 1 6 0...

Page 15: ...B 0 3 0 B 4 52 4 95 E 0 0 E 0 0 C 10 0 07 C 6 36 0 02 B 0 0 B 0 02 0 65 E 0 0 E 0 0 C 0 57 0 C 0 7 3 B 0 02 0 64 B 0 69 0 E 3 2 0 E 0 0 C 0 0 C 0 4 94 B 3 8 0 07 B 0 69 0 E 10 0 43 E 1 44 0 C 0 5 0 4...

Page 16: ...15...

Page 17: ...16 EXPLODED VIEW...

Page 18: ...17...

Page 19: ...18...

Page 20: ...02 4859728630 TUNER VARACTOR 115 B 9A15AU X701 5XYR03276C CRYSTAL QUARTZ C 001R 32 768000KHZ 20PPM ZZ200 PTMPJ2H728 PCB MAIN CHIP MOUNT B AS DTQ 14Z5SC CC104 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 16...

Page 21: ...100V 0 1MF J TP C311 CEXD1H229Q C ELECTRO 50V RT 2 2MF 6 3X11 TP C401 CCXB2H102K C CERA 500V B 1000PF K TAPPING LOC PARTCODE PARTNAME DESCRIPTION REMARK C403 CMXM2A103J C MYLAR 100V 0 01MF J TP C405...

Page 22: ...1 0 6 TIN COATING J18 85801060GY WIRE COPPER 1 0 6 TIN COATING J19 85801060GY WIRE COPPER 1 0 6 TIN COATING J20 85801060GY WIRE COPPER 1 0 6 TIN COATING J21 85801060GY WIRE COPPER 1 0 6 TIN COATING J...

Page 23: ...FILM 1 4 560 OHM J R820 RD 4Z392J R CARBON FILM 1 4 3 9K OHM J R824 RD AZ562J R CARBON FILM 1 6 5 6K OHM J R825 85801060GY WIRE COPPER 1 0 6 TIN COATING R826 RD AZ563J R CARBON FILM 1 6 56K OHM J R83...

Page 24: ...2 I501 PIN 13 V 1V div H 25us div 3 I501 PIN 14 V 1V div H 25us div 4 I501 PIN 17 V 500mV div H 5ms div 5 I501 PIN 56 V 500mV div H 25us div 6 I501 PIN 60 V 500mV div H 25us div 7 I501 PIN 63 V 10V d...

Page 25: ...EFORMS 24 9 I801 PIN 7 V 100V div H 10us div 10 T402 PIN 25 5V V 100V div H 25us div 11 T402 PIN 10 5V V 50V div H 25us div 12 T402 PIN HEATER V 10V div H 25us div 13 T402 PIN 180V V 100V div H 25us d...

Page 26: ...H V V 100V div H 25us div 15 T801 PIN 133V V 100V div H 10us div 16 Q401 COLLECTOR V 5V div H 25us div 17 CRT SOCKET PIN B V 50V div H 25us div 18 CRT SOCKET PIN R V 50V div H 25us div 19 CRT SOCKET P...

Page 27: ...is built in IC Package 64 PIN DIP Tuner Pre scaler I 2 C Bus 115 B B9015AU Remote R 48C04 Series E 2 PROM 24C04 I 2 C Bus a Apply one byte Read Write mode 6 Local Key A D Input Control Power Ch Up Dow...

Page 28: ...no TV Line Controlled function Option Prison Controlled function Option 3 Language North America ENG SPA FRA E 2 PROM Interface I 2 C Bus Control CH 6 TRAP Function IS 31 PLL IC Band Data Control Byte...

Page 29: ...tput Video Vertical BUS Ground 21 24 NC NC 23 26 NC Remocon Input 25 28 Sound Mute D G Relay 27 30 ST BY LED Power 29 32 IIC DATA IIC CLOCK 31 SIF Output PIF AGC FUNCTION PIN FUNCTION 64 IF Vcc EXT AU...

Page 30: ...29 TROUBLESHOOTING GUIDE 1 NO POWER Appendix...

Page 31: ......

Page 32: ...63 64 31 32 I501 6 8 Auto out 5 1 3 4 Check ATT FILTER Circut SDA SCL I501 6 31 C623 3 7 2 5 C630 1 I601 LA4224 Sound Mute...

Page 33: ...56 12 13 14 X503 I501 55 50 VI VE Vcc 4 NO COLOR 35 VDD 50 I501 X503 17 6 1 5 Check the voltage 25V Vertical IC Vcc 25V 5 NO VERTICAL DEFLECTION LA78040 32...

Page 34: ...26 35 I501 VDD 5V Check the voltage 6 REMOTE CONTROL DOES NOT OPERATE 33...

Page 35: ...DAEWOO ELECTRONICS CORP PRINTED DATE 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA AUG 2005...

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