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Daewoo DTC-25G1TM, Service Manual

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Service Manual

Colour Television

CHASSIS: CM-900

Model: DTC-25G1VM    (NO TXT)
              DTC-29G1VM    (NO TXT)
              DTC-25G3VMR (NO TXT)
              DTC-25G4VMS  (NO 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).

Summary of Contents for DTC-25G1TM

Page 1: ...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 y...

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...

Page 3: ...hesize 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 2...

Page 4: ...id 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 b...

Page 5: ...BLOCK DIAGRAM...

Page 6: ...le 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 app...

Page 7: ...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 serv...

Page 8: ...isplayed 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...

Page 9: ...t 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...

Page 10: ...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...

Page 11: ...emocon 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 TB...

Page 12: ...tment 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...

Page 13: ...NCTION 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...

Page 14: ...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 o...

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 Horizonta...

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...

Page 17: ...10 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 1TA...

Page 18: ...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 TAPPTIT...

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 CE...

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 CCXF...

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...

Page 22: ...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...

Page 23: ...TAL 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 2...

Page 24: ...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 DIO...

Page 25: ...RBON 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 R4...

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 A...

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...

Page 28: ...BON 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...

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...

Page 30: ...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 P6...

Page 31: ...0D 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 CARB...

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

Page 33: ...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...

Page 34: ...S 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 4...

Page 35: ...1 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 HO...

Page 36: ...L 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 CLOT...

Page 37: ...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...

Page 38: ......

Page 39: ......

Page 40: ...S 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...

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