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Daewoo DTC-25G1VM, Service Manual

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Daewoo DTC-25G1VM Service Manual Download Page 32

31

PRINTED CIRCUIT BOARDS

Summary of Contents for DTC-25G1VM

Page 1: ...O TXT DTC 25G7VM NO TXT DTC 29G1TM TXT DTC 25G1TM TXT DAEWOO ELECTRONICS CO LTD Caution In this Manual some parts can be changed for improving their performance 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 http svc dwe co kr ...

Page 2: ... CHASSIS ADJUSTMENT 5 SERVICE MODE 11 OTHER SERVICE FUNCTION 12 TEST SIGNAL SELECTION 13 SERVICE REMOTE CONTROLLER 14 PARTS LIST 15 DIFFERENCE PARTS LIST 29 PRINTED CIRCUIT BOARDS 31 EXPLODED VIEW DTC 25G1VM 32 DTC 29G1VM 33 DTC 29G3VMR 34 DTC 29G4VMS 35 DTC 2987VM 36 SCHEMATIC DIAGRAM 37 ...

Page 3: ...thesize Tuning System Number of Program 100 Channels Reception Channel VHF L I1 S8 CH 43 25 154 25MHz VHF H S9 S41 CH 161 25 463 25MHz UHF C13 C57 CH 471 25MHz 863 25MHz Remote Control Unit R 33C CRT 25 Inch 29 Inch Weight 33Kg SET 45Kg SET Indication Program No Display Tuning Voltage Display Video Input Display Analog Control Display Color Bright Contrast Sharpness Tint B B Back Blue Volume Contr...

Page 4: ...oid the shock hazard before removing the anode cap 3 Discharge the high potential of the picture tube before handling the tube The picture tube is highly evac uated and if broken glass fragments will be violently expelled 2 If any Fuse in this TV receiver is blown replace it with the FUSE specified in the Replacement Parts List 3 When replacing a high wattage resistor oxide metal film resistor in ...

Page 5: ... BLOCK DIAGRAM ...

Page 6: ...ble As long as no particular condition is specified however it is possible to execute the adjustment at temperature 15 35 C relative humidity 45 85 and air pressure 860 1060mbar The strength of the applied input signal is dropped out voltage as long as no particular condition is specified Power Supply perform the adjustment within 10 of the rate voltage Additional Remark In this test the subject m...

Page 7: ...l line is white At this time to use R G B CUT OFF After adjustment the Horizontal line is white turn the screen VR of FBT until the Horizontal line disappear to the left Push SCREEN OFF key of the service remocon it will be displayed as like Fig 1 Push the NORMAL key or W B key of service remocon then Fig 1 disappear 4 White Balance Adjustment Receive the RETMA signal Set all condition to the Norm...

Page 8: ...displayed like Fig 2 Adjust to use DATA UP DOWN key so that the center of Retma Pattern may be located in the Vertical center of the CRT 5 2 V HEIGHT Push the V H P N key of the service remocon and the cursor indicate V H P Fig 2 Adjust to use DATA UP DOW N key so that the Height number 9 may be seen at the edge above or below from the end of the CRT 8 13 0 0 71 71 2 H P P H P N V C P V C N V H P ...

Page 9: ...st to use DATA UP DOW N key so that the W idth number at the edge of left right side may be seen the same 6 Pincusion Adjustment Receive the CROSS HATCH signal Turn E W VR R401 of the main PCB so that the second vertical line of the left side may be straightened like Fig 4 7 Width Adjustment Receive the Retma signal for PAL system Turn VR R402 of the main PCB so that the Width number 11 may be see...

Page 10: ...6 of TB1226N I501 Push the SECAM key of the service remocon then it is displayed like Fig 5 Move the cursor at B F with ITEM key of the service remocon Adjust to use DATA UP DOW N key so that the wave form may be flat like Fig 6 A B A B A B BEFORE ADJUSTMENT AFTER 13 8 2 R Y B Y B F Fig 5 Fig 6 ...

Page 11: ...remocon then it is displayed like Fig 5 Move the cursor at R Y with ITEM key of the service remocon Adjust A B block is flat with C using DATA UP DOWN key like Fig 7 Move the JIG to the Pin No 36 of TB1226N I501 Move the cursor at B Y with ITEM key of the service remocon Adjust A B block is flat with C using DATA UP DOWN key like Fig 7 A B C Fig 7 ...

Page 12: ...stment items in the following order button for reverse order 3 Adjusting the DATA Pressing of volume or will change the value of data 4 EXIT from service mode Press POWER button to turn off the TV once R C Red Cutoff 127 127 127 127 127 1 13 R C G C B C G G B G B F R Y Service mode display Data adjusting Horizontal line on off The adjusting item PR MENU RECALL key in the Remote control PR in the T...

Page 13: ...UNCTION The following function key entry during display of adjustment menu provides special functions Test signal selection Horizontal line ON OFF The adjusting item selection Data adjust 4 3 4 3 1 2 1 3 4 2 TXT NO TXT ...

Page 14: ...n the center of screen with volume buttons Vertical amplitude adjustment H P PAL V H N NTSC 1 Black or white cross hatch 2 HIT V H CHANNEL PR Width adjustment R402 only PAL Pincushion adjustment R401 only PAL 1 Set the TV in service mode and get black or white cross hatch signal with video button on remote hard unit 2 Turn VR R402 of the main PCB so that the first vertical line may be placed at 2c...

Page 15: ... searching Channel SCREEN ON OFF To make the Horizontal line DATA To change the directed data V C P N To adjust Vertical Cente P N PAL NTSC V H P N To adjust Vertical Height H P P N To adjust Horizontal Position V L P N To adjust Vertical Linearity SECAM To adjust SECAM ITEM To move the directed cursor DATA To change two kinds of data PAL NTSC PAGE To turn a page in a Factory mode FACTORY To selec...

Page 16: ... 4856215402 WASHER RUBBER CR M211A 7122401612 SCREW TAPPING T2S TRS 4X16 MFZN BK M211B 7128301212 SCREW TAPPING T2S WAS 3X12 MFZN BK M211C 7122401612 SCREW TAPPING T2S TRS 4X16 MFZN BK M481 4854851901 BUTTON POWER ABS BK M481A 4856716 SPRING SWPA PIE0 5 M561 48556174SD MARK BRAND SILVER DIA CUTTING M682 48568163 CLAMP WIRE NYLON 6 V0 M781 4857821102 CLOTH BLACK FELT 340X10XT1 68 SP01A 7122401412 S...

Page 17: ...X10 MFZN D811 DBYT56K DIODE BYT56K D812 DBYT56K DIODE BYT56K D815 DRGP30J DIODE RGP30J F801 5F3GB6322L FUSE GLASS TUBE V S TL 6 3A 250V MF51 I301 PTA2SW6104 HEAT SINK ASS Y 1TA8427K 7174301011 I301 1TA8427K IC TA8427K I301A 4857026104 HEAT SINK AL EX BK I301B 7174301011 SCREW TAPPTITE TT2 RND 3X10 MFZN I302 1EW IC HYBRID E W I501 1TB1226BN IC TB1226BN I502 1K1A7812P1 IC REGULATOR KIA7812PI I503 1K...

Page 18: ...1 CORD POWER KKP 419C KLCE 2F 2 1ME Q401 TKTC3208 TR KTC3208 Q402 PTL2SW4502 HEAT SINK ASS Y T2SD2251 7174301011 Q402 T2SD2251 TR 2SD2251 Q402A 4857024502 HEAT SINK AL EX Q402B 7174301211 SCREW TAPPTITE TT2 RND 3X12 MFZN Q402D 4856215201 WASHER SPCC Q403 PTM2SW4502 HEAT SINK ASS Y TKTD2058Y 7174301211 Q403 TKTD2058Y TR KTD 2058 Y Q403A 4857024502 HEAT SINK AL EX Q403B 7174301211 SCREW TAPPTITE TT2...

Page 19: ... ELECTRO 16V RSS 1000MF 10X20 TP C772 CEXF1C222V C ELECTRO 16V RSS 2200MF 13X25 TP C773 CEXF1E471V C ELECTRO 25V RSS 470MF 10X16 TP C811 CEXF1E471V C ELECTRO 25V RSS 470MF 10X16 TP C831 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C838 CEXF2C100C C ELECTRO 160V RUS 10MF 10X16 TP C841 CEXF1E222C C ELECTRO 25V RUS 2200MF 16X25 TP ZZ200 PTMPJBC971 PCB MAIN M 10 AS DTC 29G1VM P402 485923162S CONN WAFER YW...

Page 20: ... 5X11 TP C453 CCXB1H221K C CERA 50V B 220PF K TAPPING C454 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C471 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C474 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C475 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C476 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C491 CCXB2H102K C CERA 500V B 1000PF K TAPPING C501 CCXF1H103Z C CERA 50V F 0 01MF Z TAPPING C502 CCXF1H103Z C CERA ...

Page 21: ... RSS 3 3MF 5X11 TP C612 CEXF1H339V C ELECTRO 50V RSS 3 3MF 5X11 TP C613 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C614 CEXF1H220V C ELECTRO 50V RSS 22MF 5X11 TP C615 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP C616 CMXB1H104J C MYLAR 50V EU 0 1MF J TP C617 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C653 CEXF1E470V C ELECTRO 25V RSS 47MF 5X11 TP C654 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C655 C...

Page 22: ...5 CCXF3A472Z C CERA 1KV F 4700PF Z T C806 CCXF3A472Z C CERA 1KV F 4700PF Z T C808 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP C809 CEXF2A100C C ELECTRO RUS 100V 10MF 5 11 C810 CCXB2H102K C CERA 500V B 1000PF K TAPPING C832 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C833 CCXB2H102K C CERA 500V B 1000PF K TAPPING C834 CCXB2H102K C CERA 500V B 1000PF K TAPPING C837 CCXB2H102K C CERA 500V B 1000PF K TA...

Page 23: ...ETAL FILM 2W 330 OHM J SMALL R652 RN02B331JS R METAL FILM 2W 330 OHM J SMALL R661 RN02B109JS R METAL FILM 2W 1 OHM J SMALL R662 RN02B159JS R METAL FILM 2W 1 5 OHM J SMALL R771 RN02B829JS R METAL FILM 2W 8 2 OHM J SMALL R772 RN02B369JS R METAL FILM 2W 3 6 OHM J SMALL R804 RN02B752JS R METAL FILM 2W 7 5K OHM J SMALL R805 RN02B752JS R METAL FILM 2W 7 5K OHM J SMALL R815 RN02B180JS R METAL FILM 2W 18 ...

Page 24: ...G D701 DUZ6R2BM DIODE ZENER UZ 6 2BM 6 2V D702 D1N4148 DIODE 1N4148 TAPPING D704 DUZ6R2BM DIODE ZENER UZ 6 2BM 6 2V D705 D1N4148 DIODE 1N4148 TAPPING D707 D1N4148 DIODE 1N4148 TAPPING D708 DMTZ6R2B DIODE ZENER MTZ 6 2 B TAPPING D709 DMTZ6R2B DIODE ZENER MTZ 6 2 B TAPPING D710 DMTZ6R2B DIODE ZENER MTZ 6 2 B TAPPING D802 D1S1888 DIODE 1S1888 TAPPING D803 DUZ7R5BM DIODE ZENER UZ 7 5BM 7 5V D804 DEU1Z...

Page 25: ...ARBON FILM 1 4 100K OHM J R424 RD 4Z243J R CARBON FILM 1 4 24K OHM J R425 RD 4Z102J R CARBON FILM 1 4 1K OHM J R426 RD 4Z682J R CARBON FILM 1 4 6 8K OHM J R432 RD 4Z272J R CARBON FILM 1 4 2 7K OHM J R452 RD AZ104J R CARBON FILM 1 6 100K OHM J R453 RD AZ103J R CARBON FILM 1 6 10K OHM J R501 RD AZ104J R CARBON FILM 1 6 100K OHM J R502 RD AZ391J R CARBON FILM 1 6 390 OHM J R503 RD AZ391J R CARBON FIL...

Page 26: ... FILM 1 6 620 OHM J R632 RD AZ101J R CARBON FILM 1 6 100 OHM J R633 RD AZ101J R CARBON FILM 1 6 100 OHM J R634 RD AZ101J R CARBON FILM 1 6 100 OHM J R635 RD AZ101J R CARBON FILM 1 6 100 OHM J R636 RD AZ101J R CARBON FILM 1 6 100 OHM J R637 RD AZ101J R CARBON FILM 1 6 100 OHM J R638 RD AZ101J R CARBON FILM 1 6 100 OHM J R639 RD AZ101J R CARBON FILM 1 6 100 OHM J R640 RD 4Z750J R CARBON FILM 1 4 75 ...

Page 27: ... 24K OHM J R727 RD AZ102J R CARBON FILM 1 6 1K OHM J R728 RD AZ104J R CARBON FILM 1 6 100K OHM J R729 RD AZ182J R CARBON FILM 1 6 1 8K OHM J R730 RD AZ103J R CARBON FILM 1 6 10K OHM J R731 RD AZ101J R CARBON FILM 1 6 100 OHM J R732 RD AZ223J R CARBON FILM 1 6 22K OHM J R733 RD AZ103J R CARBON FILM 1 6 10K OHM J R734 RD AZ101J R CARBON FILM 1 6 100 OHM J R735 RD AZ153J R CARBON FILM 1 6 15K OHM J R...

Page 28: ...RBON FILM 1 4 4 3K OHM J R841 RD 4Z473J R CARBON FILM 1 4 47K OHM J R843 RD 4Z103J R CARBON FILM 1 4 10K OHM J R844 RD AZ101J R CARBON FILM 1 6 100 OHM J R846 RD AZ103J R CARBON FILM 1 6 10K OHM J RT25 RD 4Z113J R CARBON FILM 1 4 11K OHM J ZZ300 PTCPMSD112 PCB CRT MANUAL AS DTC 2987VM C905 CCYB3D472K C CERA 2KV B 4700PF K C912 CEYF2E100V C ELECTRO 250V RSS 10MF 10X20 C913 CEYF2E479V C ELECTRO 250V...

Page 29: ... OHM R928 RN02B362JS R METAL FILM 2W 3 6K OHM J SMALL R929 RN02B362JS R METAL FILM 2W 3 6K OHM J SMALL R930 RN02B362JS R METAL FILM 2W 3 6K OHM J SMALL ZZ200 PTCPJAD112 PCB CRT AXIAL AS DTC 2987VM A001 4859826613 PCB CRT 104X103 246X330 6 C909 11 CCZB1H391K C CERA 50V B 390PF K AXIAL D901 D1N4148 DIODE 1N4148 TAPPING D902 D1N4148 DIODE 1N4148 TAPPING D903 D1N4148 DIODE 1N4148 TAPPING D904 DRGP15J ...

Page 30: ...2 PCB CONTROL MANUAL DTC 2987VM DTC 29G3VM DTC 29G4VM LOC S N PART NAME PART DESCRIPTION S N PART NAME PART DESCRIPTION L401 58H1600022 COIL H LINEARITY TRL 2093 58H1600022 COIL H LINEARITY TRL 2093 P603 485923172S CONN WAFER YW025 04 STICK 485923172S CONN WAFER YW025 04 STICK P701 485923192S CONN WAFER YW025 06 STICK 485923192S CONN WAFER YW025 06 STICK P810 4859242220 CONN WAFER YFW800 02 485924...

Page 31: ...00D 58H2600028 COIL H LINEARITY TRL 2083K T402 50H0000168 FBT FFA94024L 50H0000167 FBT 1352 5010B C421 CEXF2C101V C ELECTRO 160V RSS 100MF C417 CMXB1H563J C MYLAR 50V EU 0 056MF J R426 RD 4Z682J R CARBON FILM 1 4 6 8K OHM J RD 4Z752J R CARBON FILM 1 4 7 5K OHM J R416 RD 4Z203J R CARBON FILM 1 4 20K OHM J RD 4Z243J R CARBON FILM 1 4 24K OHM J R492 RF02Z439J R FUSIBLE 2W 4 3 OHM J RF02Z479J R FUSIBL...

Page 32: ...31 PRINTED CIRCUIT BOARDS ...

Page 33: ...G MAIN PCB ASSY SPRING BUTTON POWER BUTTON CTRL AS MARK BRAND MASK FRONT 4857821102 7128301011 7 8 2 1 5 3 4 6 4851929510 4854851801 4855617402 4856716000 4852064801 2 1 1 1 1 1 1 1 HEAT SINK C HOLDER LED HEAT SINK HEAT SINK HEAT SINK HEAT SINK SPEAKER 4857013300 4853530901 4857025400 4857026500 4857027904 4857015801 15 16 10 11 12 13 14 1 1 1 1 1 1 2 SCREW TAPPING CLOTH BLACK CRT DRIVE PCB WASHER...

Page 34: ...AS BUTTON POWER SCREW TAPPING CLOTH BLACK SPRING Q ty 1 1 1 1 1 1 2 4857027602 4852150401 4857817630 4857817610 4856015820 7122401411 4855415800 4856215402 4857028001 4857027904 4857026500 4857015801 4853530901 4857013300 4857025400 7122401612 4853747800 4853526000 22 14 13 12 11 9 8 10 20 19 21 18 17 16 15 23 25 24 26 27 28 29 HEAT SINK 1 HEAT SINK MAIN PCB ASSY SCREW CRT FIX SCREW TAPPING WASHER...

Page 35: ...21 4857817630 FELT T0 7 L 400 PVC T0 25 PMMA ABS BK ABS BK 4854853201 4852821101 4852324401 4852066011 4855534901 ABS BK HIPS BK KIFCO 4857026500 4857015801 4853530901 4857013300 HEAT SINK HEAT SINK HOLDER LED HEAT SINK C 4857027602 4857028001 4857027904 HEAT SINK HEAT SINK HEAT SINK SPEAKER SCREW TAPPING 7122401411 TUBE A SSY 1 CRT L 35 CR 4 4 4856015820 4856215402 SCREW CRT FIX WASHER RUBBER 485...

Page 36: ...OL PCB SPEC PLATE SCREW TAPPING SPEAKER HEAT SINK HEAT SINK HEAT SINK HEAT SINK C HOLDER LED HEAT SINK HEAT SINK SCREW TAPPING DECO SENSOR MAIN PCB DECO CTRL WASHER RUBBER SCREW CRT FIX COVER BACK CLOTH BLACK FRAME SUB PCB CLOTH BLACK SCREW TAPPING CRT SS 78128F01 SWPA CU AU ABS BK FELT 340x10xT1 68 T2S WAS 3X12 MFZN AL EX ANODIZE AL EX BK AL EX A1050P H24 T2 0 AL EX T2S TRS 4X14 MFZN FELT T0 7 L ...

Page 37: ...2 T2S WAS 3 X 10 MFZN HANDEL CASE R ASS Y 1 1 1 ABS BK 2 1 PCB ASS Y FR HIPS BK PCB ASS Y 1 PCB ASS Y 1 1 4 7128301011 SCREW TAPPING 2 T2S WAS 3 X 10 MFZN HANDEL CASE R ASS Y 71224016101 SCREW TAPPING T2S TRS 4 X 16 MFZN 7128301011 SCREW TAPPING 2 T2S WAS 3 X 10 MFZN 7128301011 SCREW TAPPING 2 T2S WAS 3 X 10 MFZN 7122401601 TERMINAL ANT PCB MAIN 4853812000 CRT 1 T2 TRS 4 X 12 MFZN FR HIPS BK 4 1 P...

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Page 40: ...CS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail G7F00E web dwe co kr FAX 02 360 8184 TEL 02 360 8178 8182 PRINTED DATE JULY 1998 S M NO CM900P 010 ...

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