Daewoo DTQ-14N2FC Manuel de service

Service ManualColor TelevisionDAEWOO ELECTRONICS CO., LTD.CHASSIS:CN-115INTSC-M SYSTEMMODEL:DTQ-14N2FC/FS/FSPDTQ-20N2FC/FS/FSPDTQ-14J2FC/FS/FSPDTQ-20J

10GENERAL ADJUSTMENTS 1. GENERALIn the majority of cases, all color televisions will need onlyslight touch-up adjustment upon installation. Check the

119. SUB-BRIGHTNESS ADJUSTMENT1) Tune in a color program.2) Set the CONTRAST control to maximum and the BRI-GHTNESS control to maximum and the SHARPNE

1210-2. CONVERGENCE ADJUSTMENTSNOTE: Before attempting any purity adjustments, thereceiver should be operated for at least 15minutes.A. CENTER CONVERG

1311. PICTURE IF/AFT ADJUSTMENTSNOTE: THIS RECEIVER IS TRANSISTORIZED AND SPECIAL CARE MUST BE TAKEN WHEN SERVICING. READTHE FOLLOWING (NOTES BEFORE A

14TROUBLE SHOOTING CHARTSABABGO TOYESDOES Q701(POWER ON/OFF TR) OPERATE?NONO POWERGO TOCHECKIN/OUT VOLTAGESOF IC801(130VOLT REG)IN: 150VDCOUT: 130VDC2

152142393 7 7 4 10 9 9 10 8 8 1615141411210443111 14CDHHGO TOOKCHECK THE WAVE FORM OFIC501 #44NGFSFCNO PICTUREGO TOIC501LA 7674COMPOSITEVIDEO I

164 6 25 3 11 1 14 44 48 4 5 6 48 EFGO TOYESCHECK FOR SIGNALAT IC501 #6NONO SOUNDGO TOEFLC501LA7674VOL-UPDOWNCONTROLKEYSOUND V

178, 9 10 47 2 3 4 13 33 8 44 8 9 46 45 GGO TOGOODCHECK INPUT SIGNALCONDITIONSBADCH DON'T STOPGLOSS OF SIGNAL ORWEAK S

18TINTCOLORX501Q504EmitterC517COMPOSITEVIDEOAPC FILTERNO COLORNO VERTICAL DEFLECTIONMAX.6VCHECK9VDCMAX.4VR-YLUMINANCE (-Y) 180V LINEG-YB-YCHECK9VDCCHE

19REMOTE CONTROL DOES NOT OPERATEIL01REMOCONSENSORON SCREEN DISPLAY DOES NOT OPERATEIC701CHECKFOR,60HzOSC CHECKR, G, B, BLCHANGERGBBLIF OSD DOES NOTOP

FS (Frequency Synthesizer) Tuning SystemCATV ReadyMonitor Look DesignHigh Focus Minineck CRT2CONTENTSSafety Precautions 3Control View 6Important Servi

20DESCRIPTION OF SEMICONDUCTORS 1234567891011121314151617181920212223242526FM DETIF AGCEX AINFM DETNFBAOUTGNDIF INIF INRF AGCVCCAPCVXOVCCRINGINBINR-Y

21PIN ASSIGN OF IC LC864616A(I701) VIDEO MUTE(O)DATA(O)CLOCK(O)ENABLE(O)SOUND MUTE(O)TV/VIDEO(O)MPX1(O)MPX2(O)AFC INN. CN. C1Vpp INNOTE) CF is used

- 30 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name Description10000 48B3225B03 TRANSMITTER REMOCON R-25B0311000 PSACPW0002 ACCESSORY ASSY DTQ-14N2FC

3PRODUCT SAFETY SERVICING GUIDELINES FOR AUDIO VIDEO PRODUCTS950ART941009CAUTION: DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVERPERFORM

- 31 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionC525 CZSL1H300J C CERA 50V SL 30PF J (AXIAL)C526 CCZB1H910K C CERA 50V B 91PF K (AXIAL

- 32 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionD804 DBYV95C-- DIODE BYV95C (TAPPING)D805 DBYV95C-- DIODE BYV95C (TAPPING)D806 NBYD33G

- 33 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionJ054 85801065GY WIRE COPPER AWG22 1/0065 TIN COATINGJ056 85801065GY WIRE COPPER AWG22

- 34 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionR404 RD-AZ331J- R CARBON FILM 1/6 330 OHMJR407 RD-2Z472J- R CARBON FILM 1/2 4.7K OHMJR

- 35 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionR709 RD-AZ101J- R CARBON FILM 1/6 100 OHMJR710 RD-AZ392J- R CARBON FILM 1/6 3.9K OHMJR

- 36 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionR902 RD-AZ331J- R CARBON FILM 1/6 330 OHMJR903 RD-AZ181J- R CARBON FILM 1/6 180 OHMJR9

- 37 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionC605 CEXF1E101V C ELECTRO 25V RSS 100MF (6.3 11) TPC607 CEXF1E101V C ELECTRO 25V RSS 1

- 38 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionSW03 5S50101090 SW TACT SKHV17910ASW04 5S50101090 SW TACT SKHV17910ASW05 5S50101090 SW

- 39 -PARTS LIST(DTQ-14N2FC)Loc Item Code Item Name DescriptionR310 RS01Y331J- R M-OXIDE FILM 1W 330 OHM JR405 RS02Y822JS R M-OXIDE FILM 2W 8.2K OHM

- 40 -OPTION LIST CN-115I MODEL LINE-UPCN-115I POWER OPTIONAREA NORTH AMERICA MIDDLE AMERICA MIDDLE AMERICADTQ-14N2/20N2FC DTQ-14N2/20N2FS DTQ-14N2

4Product safety servicing guidelines for colortelevision receiversCAUTION :Do not attempt to modify this product in anyway. Unauthorized modifications

- 41 -T801 TSM-2519A1 TSM-2820A1 TSM-2820A2Q804 KSC5021 KSE13009 KSE13009Q804A 4857013300C821 223(M)R806 390K(1/2) 390K(1/2) 390K(1W)CRT A34JLL40X A34

LOC 14 20C406 1.6KV 602 1.6KV 822C408 200V 474 200V 514L401 L-76R901 12 OHM 7OHMR408 1W 2.7KR412 1W 3.6(F) 1W 3.9(F)R409 1W 5.6KC409 160V 1uJ027

ENGINEER NOTE

DAEWOO ELECTRONICS CO., LTD.686, AHYEON-DONG, MAPO-GU,SEOUL, KOREA.C.P.O. BOX 8003 SEOUL KOREATELEX : DWELEC K28177-8F A X : (02) 364-5588,5305T E L :

5with a meter to be certain that the high voltage does notexceed the specified value and that it is regulatingcorrectly. We suggest that you and your

6CONTROL VIEW F-CONNECTOR300 OHM-75 OHMCOUPLINGTRANSFORMERVHF75ΩFROM 75 OHMVHF ANTENNA WITHCABLE OR CABLETV SYSTEMPOWERRemote Control receiverMENUVOL

71. Overview of Your EquipmentYour TV comes with a remote control. The section below summarizes the buttons,controls, and terminalsthat you will use w

8IMPORTANT SERVICE NOTES1. X-RAY RADIATION PRECAUTION1) Excessive high voltage can produce potentiallyhazardous X-RAY RADIATION. To avoid suchhazar

9BLOCK DIAGRAM 96. 5. 30ASB1ANT S/BOXS-901702EEPROMJA01IL701TA01CONTROL KEYL900L801LINEFILTERF801D801D804L802C808 D403 C419BOOSTERABLFOCUSH.VHEATER