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DAEWOO ELECTRONICS DTT-3250, Service Manual

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Page: 12 / 33

DAEWOO ELECTRONICS DTT-3250 Service Manual Download Page 12

-12-

TROUBLE-SHOOTING

3.No Vertical Scanning

(One Horizontal Line Raster)

Check
DY Connector

Check
Input Voltage of I301

Check
Vertical Drive pulse(Vert

)

#1~#7 of I301

Check/Replace
DY

Check/Replace
D403,D408

Check
#37~#38
of IC502

Check/Replace
B+, X-TAL, SCL, SDA
of IC502

Check/Replace
C516~C517,R527~R528,
R301~R306,R311~R313

www.DataSheet4U.com

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Summary of Contents for DTT-3250

Page 1: ...formance 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 S M No TCP750FE...

Page 2: ...3 2 BLOCK DIAGRAM 4 3 EEPROM PRESETTING DATA 5 4 ADJUSTMENT METHOD 7 5 TROUBLE SHOOTING 9 6 SCHEMATIC DIAGRAM 15 7 PRINTED CIRCUIT BOARD 18 8 MECHANICAL EXPLODED DIAGRAM 24 9 PARTS LIST 25 CONTENTS w...

Page 3: ...5 BOX 930 SET D 515 BOX 397 SET WEIGHT kg 63 GROSS 54 5 SET BAND I CH2 CH4 VHF BAND II CH5 CH12 RECEPTION CHANNEL CANLE BAND S1 S3 S1 S20 HYPER BAND S21 S41 UHF BAND IV V CH21 CH69 AERIAL rear VHF UHF...

Page 4: ...4 2 BLOCK DIAGRAM www DataSheet4U com...

Page 5: ...HD 155 3 Ver Lin HD 0 3 Hor Width HD 49 4 Ver S Cor HD 120 4 Trapeze HD 103 5 VBST HD 6 5 Cushion HD 143 6 VBSO HD 25 6 Angle HD 2 7 LPFD SD 625 7 Bow HD 9 8 VSYNWIN HD 127 8 HBST HD 1180 9 VPROT HD...

Page 6: ...V SA2 30 7 Lpfd NTSC 213 8 EHT STC 20 9 EHT FTC 80 10 WDR SAT Yes 11 MAX WDR 496 SERVICE MODE 2 I Additional Settings II Options 1 1 DYNFOC_Vertical PWMV 0 1 TEXT TOP FLOF 2 DYNFOC_HorStart DFHB 0 2 T...

Page 7: ...ntal focus WHITE BALANCE ADJUSTMENT 1 High Beam Adjustment Service Mode 1 Tube Measurement WD_R WD_G Adjust R G bars in the high beam on the instrument may be located in the center B DRV is Fixed 2 Lo...

Page 8: ...ry Cushion Adjust so that the Left and Right edge s vertical line may be straight 2 Corner Top Bottom or Top 6th Bottom 6th Service Mode 1 Hor Geometry Corner Top Corner Bottom or Corner Top 6th Corne...

Page 9: ...ck 4 of I801 Check 1 of I801 Switching Check 1 of I801 DC 300V Check D801 D804 And D805 D806 Check Replace F801 Check Stand By Circuit Power On check with Remote controller Check Remote controller And...

Page 10: ...10 TROUBLE SHOOTING Check secondary voltage Check D811 D817 of IC501 Check 78 79 of IC501 11 12 of IC502 Check 71 of I504 Check 5 6 of I504 Check 33 of I501 www DataSheet4U com...

Page 11: ...01 Check Replace ATT Cable Check 8 of I901 I903 Check Replace I901 I903 And Voltage Heater Line Check Replace CRT Board Check External Connection Check Signal 175 184 of IC501 Check Signal 165 167 of...

Page 12: ...er Check DY Connector Check Input Voltage of I301 Check Vertical Drive pulse Vert 1 7 of I301 Check Replace DY Check Replace D403 D408 Check 37 38 of IC502 Check Replace B X TAL SCL SDA of IC502 Check...

Page 13: ...Check 10 of I601 Check Replace Analog 4 4V B Aound Mute Line Check 27 28 of IC501 Check 31 of IC501 Check Replace B SCL SDA of Tuner Check Replace SF01 Check Replace I501 Check Replace 5V Check exter...

Page 14: ...OUBLE SHOOTING 5 Remote Control Unit Trouble Check Battery of Remote Control Check IR of Preamp And Vcc of Preamp IQ01 Check Replace 89 of IC501 Replace Battery Check Replace Preamp IQ01 www DataSheet...

Page 15: ...15 www DataSheet4U com...

Page 16: ...16 www DataSheet4U com...

Page 17: ...17 www DataSheet4U com...

Page 18: ...18 www DataSheet4U com...

Page 19: ...19 www DataSheet4U com...

Page 20: ...20 www DataSheet4U com...

Page 21: ...21 www DataSheet4U com...

Page 22: ...22 www DataSheet4U com...

Page 23: ...23 www DataSheet4U com...

Page 24: ...24 www DataSheet4U com...

Page 25: ...LOC PARTCODE PARTNAME DESCRIPTION REMARK PA804 4850710V02 CONNECTOR YH025 10 YBNH250 ULW 100 PA805 4950712005 CONNECTOR YH025 12 YST250 ULW 100 PA806 4950712005 CONNECTOR YH025 12 YST250 ULW 100 U101...

Page 26: ...CERA SEMI 50V F 0 1MF Z C706 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z LOC PARTCODE PARTNAME DESCRIPTION REMARK C708 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C901 CCZB1H561K C CERA 50V B 560PF K C902 CCZB1H56...

Page 27: ...750J R CARBON FILM 1 6 75 OHM J RA10 RD AZ750J R CARBON FILM 1 6 75 OHM J RA11 RD AZ750J R CARBON FILM 1 6 75 OHM J RA12 RD AZ750J R CARBON FILM 1 6 75 OHM J RA13 RD AZ471J R CARBON FILM 1 6 470 OHM J...

Page 28: ...05 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC720 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC722 HRFT223JBA R CHIP 1 10 22K OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION REMARK RC902 HRFT271JBA R CHIP 1 10 270 O...

Page 29: ...R T0 2 R1 6 E018 4856310300 EYE LET BSR T0 2 R1 6 E019 4856310300 EYE LET BSR T0 2 R1 6 E020 4856310300 EYE LET BSR T0 2 R1 6 LOC PARTCODE PARTNAME DESCRIPTION REMARK E021 4856310600 EYE LET BSR T0 2...

Page 30: ...IODE ZENER UZ 33B D305 DUZ22BM DIODE ZENER UZ 22BM D306 DUZ5R6BM DIODE ZENER UZ 5 6BM D307 DUZ5R6BM DIODE ZENER UZ 5 6BM LOC PARTCODE PARTNAME DESCRIPTION REMARK D308 DUZ22BM DIODE ZENER UZ 22BM D309...

Page 31: ...RTNAME DESCRIPTION REMARK I902 PTK1SW8902 HEAT SINK ASS Y 1TDA6111Q 7174300851 00001 1TDA6111Q IC AMP TDA6111Q 0000A 4857018902 HEAT SINK A1050P H24 0000B 7174300851 SCREW TAPPTITE TT2 RND 3X8 MFZN 3C...

Page 32: ...DIODE ZENER UZ 5 6BM DA73 DUZ5R6BM DIODE ZENER UZ 5 6BM J901 85801060GY WIRE COPPER 1 0 6 TIN COATING LOC PARTCODE PARTNAME DESCRIPTION REMARK J902 85801060GY WIRE COPPER 1 0 6 TIN COATING J903 858010...

Page 33: ...DAEWOO ELECTRONICS CORP PRINTED DATE APR 2006 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA www DataSheet4U com...

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