Daewoo DTH-20D5FSN, Service Manual

Page 1: ...UHF H CH7 CH13 UHF CH14 CH69 CATV VHF L 5A A B A 5 A 1 TUNING RANGES CH2 CH6 VHF H C W 11 CH7 CH13 UHF W 12 W 84 SOUND OUTPUT 5W 5W SPEAKER 8 ohm 5W X 2EA ANTENNA INPUT IMPEDANCE 75 ohm Unbalanced Fo...

Page 2: ...RAM 10 PRINTED CIRCUIT BOARD 11 EXPLODEDVIEW 12 SERVICE PARTS LIST 14 APPENDIX Appendix is provided only by internet http svc dwe co kr TROUBLE SHOOTING GUIDE 34 1 No Power 34 2 No Picture 35 3 No Sou...

Page 3: ...VHF H C W 11 CH7 CH13 UHF W 12 W 84 SOUND OUTPUT 5W 5W SPEAKER 8 ohm 5W X 2EA ANTENNA INPUT IMPEDANCE 75 ohm Unbalanced Font Video Audio Earphone Rear Video Audio R L Picture IF Carrier Frequency 45 7...

Page 4: ...CIRCUIT BLOCK DIAGRAM 3...

Page 5: ...ections in the meny system or to change audio and video settings 5 MENU Use this button to turn theTV s menu system on and off 6 DISPLAY Use this button to display the channel numbeer and status 7 INP...

Page 6: ...ents are required 1 How to enter the service mode using the user remote control Turn the set on Direct the remote control to the reception window of TV Push buttons of remote control in sequence as fo...

Page 7: ...rnal 60 White Display internal 60 WHITE Internal Cross Pattern Display internal CROSS pattern Red Drive RD 0 127 Align RED OUT Ievel Green Drive GD 10 0 15 Must be set to 10 Blue Drive BD 0 127 Align...

Page 8: ...ata 4 GEOMETRIC ADJUSTMENTS S6 Enter the service mode and select service adjustment S7 Whenever you select the S7 using the volume up or down button the screen is changing like this NORMAL BLACK WHITE...

Page 9: ...ent S8 You can see the OSD as shown in below Using volume up or volume down adjust service adjustment data of RD GD BD and RB GB BB until a good gray scale with normal whites is obtained ALIGNMENT INS...

Page 10: ...ue to obtain normal brightness level Press the DISPLAY button to memorize the data CONTRAST Fixed value 10 TINT Fixed value 27 COLOR Fixed value 15 7 FACTORY OUTGOING MODE S12 FACT If you select the S...

Page 11: ...SCHEMATIC DIAGRAM 10...

Page 12: ...PRINTED CIRCUIT BOARD PCB MAIN 11...

Page 13: ...12 EXPLODED VIEW DTH 20D5FSN...

Page 14: ...13 EXPLODED VIEW DTH 21D4FSN...

Page 15: ...1 4851940501 BUTTON CTRL 4945802 5541201 M192 4851940601 PANEL FRONT AS 2326511 4856401 6716000 M192A 7178301212 SCREWTAPPTITE TT2 WAS 3X12 MFZN BK M201A 7172401412 SCREWTAPPTITE TT2 TRS 4X14 MFZN BK...

Page 16: ...I301 1LA7841 ICVERTICAL LA7841 I301A 4857024607 HEAT SINK AL EX DG I301B 7174300811 SCREWTAPPTITE TT2 RND 3X8 MFZN I401 1K1A7805P1 IC REGULATOR KIA7805API I501 1LA76805 IC MAIN LA76805 I601 PTB2SW6113...

Page 17: ...0 POSISTOR ECPCD7R0M290 RLY1 5SC0101338 SW RELAY DQ5D1 O M GJ SS 105LM RS801 DSVC471D14 VARISTOR SVC471D14A SCT1 4859303430 SOCKET CRT PCS633A SF101 5PTSF5241P FILTER SAW TSF5241P SW801 5S40101143 SW...

Page 18: ...SMALL R814 RS02Z159JS R M OXIDE FILM 2W 1 5 OHM J SMALL R816 RS02Z129JS R M OXIDE FILM 2W 1 2 OHM J SMALL ZZ200 PTMPJRD441 PCB MAIN RADIAL AS DTH 20D5FSN C101 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP...

Page 19: ...CTRO 50V RSS 0 47MF 5X11 TP C520 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C521 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C523 CEXF1E470V C ELECTRO 25V RSS 47MF 5X11 TP C525 CEXF1H109V C ELECTRO 50V RS...

Page 20: ...0V B 2200PF K TAPPING C803 CCXB2H222K C CERA 500V B 2200PF K TAPPING C806 CMXM2A122J C MYLAR 100V 1200PF J TP C807 CMXM2A102J C MYLAR 100V 1000PF J TP C815 CEXF2A100V C ELECTRO 100V RSS 10MF 6 3X11 TP...

Page 21: ...1W 2 2 OHM J SMALL R418 RN02B339JS R METAL FILM 2W 3 3 OHM J SMALL R419 RN02B560JS R METAL FILM 2W 56 OHM J SMALL R420 RN02B620JS R METAL FILM 2W 62 OHM J SMALL R817 RN01B301JS R METAL FILM 1W 300 OHM...

Page 22: ...1MF Z C653 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C656 CZCH1H479K C CERA 50V CH 4 7PF K AXIAL C657 CBZR1C472M C CERA 16VY5R 4700PF M AXIAL C661 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C663 CBZF1H104Z C CER...

Page 23: ...DIODE 1N4937G TAPPING D407 D1N4937G DIODE 1N4937G TAPPING D408 D1N4937G DIODE 1N4937G TAPPING D409 D1N4148 DIODE 1N4148 TAPPING D501 D1N4148 DIODE 1N4148 TAPPING D502 D1N4148 DIODE 1N4148 TAPPING D50...

Page 24: ...R AWG22 1 0 65 TIN COATING J012 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J013 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J014 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J015 85801065G...

Page 25: ...PER AWG22 1 0 65 TIN COATING J058 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J060 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J061 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J062 8580106...

Page 26: ...PER AWG22 1 0 65 TIN COATING J099 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J102 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J103 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J104 8580106...

Page 27: ...GY WIRE COPPER AWG22 1 0 65 TIN COATING J149 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J150 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J151 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J...

Page 28: ...N FILM 1 6 5 6K OHM J R352 RN 4Z1603F R METAL FILM 1 4 160K OHM F R353 RN 4Z1602F R METAL FILM 1 4 16 0K OHM F R359 RD AZ243J R CARBON FILM 1 6 24K OHM J R360 RD AZ333J R CARBON FILM 1 6 33K OHM J R36...

Page 29: ...OHM J R567 RD AZ103J R CARBON FILM 1 6 10K OHM J R568 RN AZ4701F R METAL FILM 1 6 4 7K OHM F R569 RD AZ152J R CARBON FILM 1 6 1 5K OHM J R570 RD AZ103J R CARBON FILM 1 6 10K OHM J R571 RD AZ272J R CA...

Page 30: ...K OHM J R731 RD AZ103J R CARBON FILM 1 6 10K OHM J R732 RD AZ102J R CARBON FILM 1 6 1K OHM J R733 RD AZ102J R CARBON FILM 1 6 1K OHM J R734 RD AZ102J R CARBON FILM 1 6 1K OHM J R735 RD AZ102J R CARBON...

Page 31: ...J R CARBON FILM 1 4 2 7M OHM J R804 RD 4Z244J R CARBON FILM 1 4 240K OHM J R805 RD 4Z201J R CARBON FILM 1 4 200 OHM J R806 RD 4Z510J R CARBON FILM 1 4 51 OHM J R807 RD AZ241J R CARBON FILM 1 6 240 OHM...

Page 32: ...RBON FILM 1 2 3 3K OHM J R921 RD AZ102J R CARBON FILM 1 6 1K OHM J R922 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R923 RD AZ221J R CARBON FILM 1 6 220 OHM J RA14 RD AZ914J R CARBON FILM 1 6 910K OHM J RA...

Page 33: ...E AWG22 1 0 65 TIN COATING AWG22 1 0 65 TIN COATING 6 R816 R Metal_Oxide RS02Z129JS RS02Z129JS RS02Z109JS Over_Current_Protection 2W 1 2 OHM J SMALL 2W 1 2 OHM J SMALL 2W 1 0 OHM J SMALL 7 C404 C_Myla...

Page 34: ...H03VVH2 F HOU 2600 16 P801A CONN WAFER NONE 4859242220 4859242220 YFW800 02 YFW800 02 17 P802A CONN WAFER NONE 4859242220 4859242220 YFW800 02 YFW800 02 18 00010 ANT ROD 4850A03510 4850A02510 4850A02...

Page 35: ...heck R801 10W 3 2 Check Voltage Check Voltage Check Voltage FROM MICOM 42 PW ON H PW OFF L Check waveform DRAIN OF I801 ST BY PW ON Check Voltage 6 5 Check Voltage INPUT D805 IN4937G C882 C883 4700P 4...

Page 36: ...TROUBLESHOOTING GUIDE APPENDIX 2 NO PICTURE NG GO to the figure OK Go the figure Check the waveform of I101 46 35...

Page 37: ...3 NO SOUND NG GO to the figure OK Go the figure Check audio output signal of I101 1 36 TROUBLESHOOTING GUIDE APPENDIX...

Page 38: ...NG Loss of signal or weak signal OK Go the figure 37 4 CH DON T STOP Check the input signal conditions TROUBLESHOOTING GUIDE APPENDIX...

Page 39: ...TROUBLESHOOTING GUIDE APPENDIX 5 NO COLOR 6 NO VERTICAL DEFLECTION 38...

Page 40: ...TROUBLESHOOTING GUIDE APPENDIX 39 7 NO ON SCREEN DISPLAY 8 REMOTE CONTROL DOES NOT OPERATE...

Page 41: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail djkoo web dwe co kr TEL 82 2 360 7806 FAX 82 2 360 7877...