Daewoo DTQ 29S1FCN Service Manual

DAEWOO ELECTRONICS CO., LTD.OVERSEAS SERVICE DEPT.Service ManualColor TelevisionCHASSIS:CN-200I/ANTSC-M SYSTEM MODEL:DTQ-26S1FC/FS/FSP(CN-200I)

8BLOCK DIAGRAM (CN-200I)

9BLOCK DIAGRAM (CN-200A)

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

1110. PICTURE IF/AFT ADJUSTMENTSNOTE: THIS RECEIVER IS TRANSISTORIZED AND SPECIAL CARE MUST BE TAKEN WHEN SERVICING. READTHE FOLLOWING (NOTES BEFORE A

12TROUBLE SHOOTING CHARTSABABGO TOYESDOES QC701(POWER ON/OFF TR) OPERATE?NONO POWERGO TO2WATTR816 15KCHECKDOESSHUT DOWNCIRCUITOPERATE?#30(7.5V DC) 302

132142399 8 1411210443111 14CDHHGO TOOKCHECK THE WAVE FORM OFI501 #44 (2Vp-p)NGFSFCNO PICTUREGO TO I501LA 7674COMPOSITEVIDEO INPUTCDC506Y-OUTDRIVEH

14#19#18#17#11 #1 #14 #44 #48 #4 #1#2 9V(B+)#12#13#1 9V(B+)#2(0~5V)#8(0~5V)#4#6#7#6#5#3EFGO TOCHECK FOR SIGNALAT I501 #1NO SOUND(CN-200I)G

15NO SOUND(CN-200A)#15#13#8#11 #1 #14 #44 #48 #4 #38#30 9V(B+)#2(9VDC)#39#40#1 9V(B+)#2 (0~5V)#8 (0~5V)#4#6#7#6#5#3EFGO TOCHECK FOR SIGNAL

168, 9 10 47 2 3 4 13 33 44 8 9 46 45 GGO TOGOODCHECK INPUT SIGNALCONDITIONSBADCH DON'T STOPGLOSS OF SIGNAL ORWEAK SIGNA

17TINTCOLORX502QC201EmitterC506 COMPOSITEVIDEOAPC FILTERNO COLORNO VERTICAL DEFLECTIONCENTER 3.5VCHECK9VDCCENTER 4V R-YLUMINANCE (-Y) VIDEO B (21

FS (Frequency Synthesizer) Tuning SystemCATV ReadyMonitor Look DesignA/V IN. (Stereo)Stereo/Mono Function2CONTENTSSafety Precautions 3Control View 5Im

18REMOTE CONTROL DOES NOT OPERATEIL01REMOCONSENSORON SCREEN DISPLAY DOES NOT OPERATEI701CHECKFOR,60HzOSC CHECKR, G, B, BLCHANGERGBBLIF OSD DOES NOTOPE

19PIN 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

12TROUBLE SHOOTING CHARTSABABGO TOYESDOES QC701(POWER ON/OFF TR) OPERATE?NONO POWERGO TO2WATTR816 15KCHECKDOESSHUT DOWNCIRCUITOPERATE?#30(7.5V DC) 302

132142399 8 1411210443111 14CDHHGO TOOKCHECK THE WAVE FORM OFI501 #44 (2Vp-p)NGFSFCNO PICTUREGO TO I501LA 7674COMPOSITEVIDEO INPUTCDC506Y-OUTDRIVEH

14#19#18#17#11 #1 #14 #44 #48 #4 #1#2 9V(B+)#12#13#1 9V(B+)#2(0~5V)#8(0~5V)#4#6#7#6#5#3EFGO TOCHECK FOR SIGNALAT I501 #1NO SOUND(CN-200I)G

15NO SOUND(CN-200A)#15#13#8#11 #1 #14 #44 #48 #4 #38#30 9V(B+)#2(9VDC)#39#40#1 9V(B+)#2 (0~5V)#8 (0~5V)#4#6#7#6#5#3EFGO TOCHECK FOR SIGNAL

168, 9 10 47 2 3 4 13 33 44 8 9 46 45 GGO TOGOODCHECK INPUT SIGNALCONDITIONSBADCH DON'T STOPGLOSS OF SIGNAL ORWEAK SIGNA

17TINTCOLORX502QC201EmitterC506 COMPOSITEVIDEOAPC FILTERNO COLORNO VERTICAL DEFLECTIONCENTER 3.5VCHECK9VDCCENTER 4V R-YLUMINANCE (-Y) VIDEO B (21

18REMOTE CONTROL DOES NOT OPERATEIL01REMOCONSENSORON SCREEN DISPLAY DOES NOT OPERATEI701CHECKFOR,60HzOSC CHECKR, G, B, BLCHANGERGBBLIF OSD DOES NOTOPE

19PIN 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

3Product safety servicing guidelines forcolor television receiversCAUTION :Do not attempt to modify this product in anyway. Unauthorized modifications

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

23DTQ-26S1FC/FS/FSP/HC/HS/HSPEXPLODED VIEW✔ Caution: In this Service Manual, some parts can be changed for improving, their performance without notice

24DTQ-29S1FCN/FSN/FSP/HC/HS/HSPEXPLODED VIEW

4exceed the specified value and that it is regulatingcorrectly. We suggest that you and your serviceorgainzation review test procedures so that voltag

3Product safety servicing guidelines forcolor television receiversCAUTION :Do not attempt to modify this product in anyway. Unauthorized modifications

4exceed the specified value and that it is regulatingcorrectly. We suggest that you and your serviceorgainzation review test procedures so that voltag

5CONTROL VIEW F-CONNECTOR300 OHM-75 OHMCOUPLINGTRANSFORMERVHF75ΩFROM 75 OHMVHF ANTENNA WITHCABLE OR CABLETV SYSTEM

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

7IMPORTANT SERVICE NOTES 1. X-RAY RADIATION PRECAUTION1) Excessive high voltage can produce potentiallyhazardous X-RAY RADIATION. To avoid suchhazar