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Daewoo DTQ-14D4SSFM, Service Manual

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Daewoo DTQ-14D4SSFM Service Manual Download Page 31

30

TROUBLESHOOTING GUIDE

1. NO POWER

Appendix

Summary of Contents for DTQ-14D4SSFM

Page 1: ...rformance 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 Mar 2005 Color Television CHASS...

Page 2: ...E ADJUSTMENTS 7 ASSEMBLY ADJUSTMENTS 9 PARENTAL CONTROL PASSWORD SETTINGS 12 SCHEMATIC DIAGRAM 13 EXPLODED VIEW 14 PRINTED CIRCUIT BOARD 16 ELECTRICAL PARTS LIST 18 IC DESCRIPTION 24 TROUBLE SHOOTING...

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: ...SPEAKER 8ohm 7 5W ANTENA INPUT IMPEDANCE 75ohm Unbalanced AUXILIARY INPUT TERMINAL Front Video Audio Rear Video Audio INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75MHz Sound IF Carrier F...

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: ...13...

Page 15: ...1 4 1 9 8 7 5 10 6 14 1 13 12 9 PC BK 1 4856013302 2 1 CR T2 0 4856215402 1 5 TT2 TRS 4X14 MFZN BK 7172401412 4 1 1 1 4945801 5541201 4851915401 HIPS BK 4854945801 1 1 1 1 1 1 2 8 7128301212 1 HIPS BK...

Page 16: ...4 CR T2 0 4856214902 1 1 1 1 1 1 1 T2S TRS 4X14 MFZN 6 7122401411 8 T2S TRS 3X12 MFZN 7128301211 A1050P H24 T2 0 4855615900 1 SWPA PIE 0 5 4856716000 ABS BK HIPS BK HIPS BK 4854945901 4852156201 4852...

Page 17: ...16...

Page 18: ...17...

Page 19: ...TNAME DESCRIPTION REMARK 0000A 4857027802 HEAT SINK AL EX 0000B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN IL701 1TS0P1238W IC PREAMP TS0P1238WI1 JP02 4859110250 JACK PIN BOARD YS JB9711 JP03 48591091...

Page 20: ...T0 2 R2 3 E005 4856310600 EYE LET BSR T0 2 R2 3 LOC PARTCODE PARTNAME DESCRIPTION REMARK E011 4856310300 EYE LET BSR T0 2 R1 6 E012 4856310300 EYE LET BSR T0 2 R1 6 E014 4856310300 EYE LET BSR T0 2 R...

Page 21: ...CCZF1H103Z C CERA 50V F 0 01MF Z C115 CCZF1H103Z C CERA 50V F 0 01MF Z C116 CCZF1H103Z C CERA 50V F 0 01MF Z LOC PARTCODE PARTNAME DESCRIPTION REMARK C118 CZSL1H470J C CERA 50V SL 47PF J AXIAL C122 CC...

Page 22: ...0 65 TIN COATING J65 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J66 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING LOC PARTCODE PARTNAME DESCRIPTION REMARK J67 85801065GY WIRE COPPER AWG22 1 0...

Page 23: ...ARBON FILM 1 4 150 OHM J R619 RD 4Z151J R CARBON FILM 1 4 150 OHM J R724 RD AZ682J R CARBON FILM 1 6 6 8K OHM J R725 RD AZ682J R CARBON FILM 1 6 6 8K OHM J R789 RD AZ102J R CARBON FILM 1 6 1K OHM J R7...

Page 24: ...WG22 1 0 65 TIN COATING X J092 WIRE 85801065GY AWG22 1 0 65 TIN COATING X PA601 CONNECTOR 4850704S27 YH025 04 YRT205 ULW 400 4850704S31 YH025 04 YRT205 ULW800400 TDA7266_LA42072N DIFFERENTIAL PARTS LI...

Page 25: ...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 bui...

Page 26: ...ory 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 the...

Page 27: ...ies 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 7...

Page 28: ...OUNT P10 P30 SDA3 P31 SCL3 P15 FSCIN RESET CVIN VHOLD HLF FILT VCC CLOCK EEPROM PRISON DATA EEPROM MONITOR H SYNC V SYNC B G R OUT CLK COUNT SDA SCL POWER FSC IN RESET CCD CVBS CCD V HOLD CCD HLF FILT...

Page 29: ...28 Appendix IC DESCRIPTION III PIN DESCRIPTION...

Page 30: ...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 31: ...30 TROUBLESHOOTING GUIDE 1 NO POWER Appendix...

Page 32: ...40 42 63 2 3 62 59 58 41 26 27 64 7 31 30 22 VCC 5V 41 31 C517 DEF 180V 39 40 12 14 15 16 33...

Page 33: ...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 32...

Page 34: ...31 30 11 7 40 42 22 63 59 2 64 Vcc 5V Check T SDA SCL SVC S5 Key input Vco adjust 33...

Page 35: ...41 14 15 16 34 40 40 38 5 6 1 5 Check the voltage 25V Vertical IC Vcc 25V 34...

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

Page 37: ...DAEWOO ELECTRONICS CORP PRINTED DATE 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA MAR 2005...

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