Daewoo DTC-25G1VM Service Manual
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Daewoo DTC-25G1VM Service Manual

Daewoo DTC-25G1VM Service Manual

Chassis: cm-900
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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)
 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).
DAEWOO ELECTRONICS CO., LTD.

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Summary of Contents for Daewoo DTC-25G1VM

  • Page 1 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)  Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list.

  • Page 2: Table Of Contents

                    SPECIFICATIONS ..........................2 SAFETY INSTRUCTIONS ........................3 BLOCK DIAGRAM ..........................4 ALIGNM ENT INSTRUCTIONS ......................5 „ C M -900 C HA SS IS A D JU STM E NT ....................5 „ SE R VIC E M O D E ..........................11 „...

  • Page 3: Specifications

    SPECIFICATIONS STANDARD MODEL DTC-25G1VM DTC-29G1VM TV STAN DA RD PA L/S E CA M -B/G , D /K, I, H , NTSC -4.43/3.58 M ains Voltage A C 110 - 250V, 50/60H z Pow er Consum ption 120W 145W Sound O utput Pow er...

  • Page 4: Safety Instructions

    SAFETY INSTRUCTIONS NOTE BEFO R E SERVIC IN G TH IS C H ASSIS, READ TH E “X-R AY R ADIATIO N PREC AUTIO N ”, “SAFETY PR ECAU TION ” AND “PRO D UC T SAFETY N O TICE” BELO W. X-RAY RADIATION PRECAUTION 1.

  • Page 5: Block Diagram

    BLOCK DIAGRAM...

  • Page 6: Alignment Instructions

    ALIGNMENT INSTRUCTIONS „ „ „ „ CM-900 CHASSIS ADJUSTMENT Application • This prescribes the adjustm ent procedure for the optim um electrical perform ance of the C M -900 chassis color TV receiver General Description • The grade characteristics have to be m arked on the test devices and m easuring instrum ents. •...
  • Page 7 2. Initializing - To use only w hen you change the E E P R O M . - P ush the M U TE key of the user rem ocon, at the sam e tim e push the M E N U button on the M ask Front. A nd then it is a service m ode.
  • Page 8 5. Vertical / Horizontal Adjustment - R eceive the R etm a signal (for PA L system ) - S et all condition to the N orm al I. (P ush the N O R M A L key of the service rem ocon.) 5-1.
  • Page 9 5-3. V-LINEARITY - P ush the V.L key of the service rem ocon, and the cursor indicate V.L (Fig 2). - A djust to use D ATA U P /D O W N key so that the R etm a P attern is the m ost com plete circle. 5-4.
  • Page 10 8. Secam Bell Filter Adjustment - R eceive the S E C A M C olor B ar signal - C onnect JIG to the P in N o.36 of TB 1226N (I501) - P ush the S E C A M key of the service rem ocon, then it is displayed like ‘Fig 5’ - M ove the cursor at B .F w ith ITE M key of the service rem ocon.
  • Page 11 9. Secam White Balance Adjustment - R eceive the S E C A M C olor B ar signal - C onnect JIG to the P in N o.35 of TB 1226N (I501) - P ush the S E C A M key of the service rem ocon, then it is displayed like ‘Fig 5’ - M ove the cursor at R -Y w ith ITE M key of the service rem ocon.

  • Page 12: Service Mode

    „ „ „ „ SERVICE MODE 1. E N TE R IN G TO S E RV IC E M O D E (U S E U S E R R E M O TE C O N TR O L) 1) P ress button once on R em ote control.

  • Page 13: Other Service Function

    „ „ „ „ OTHER SERVICE FUNCTION The follow ing function key entry during display of adjustm ent m enu provides special functions (TXT) (N O TXT) Test signal selection H orizontal line O N /O FF The adjusting item selection  -/+ D ata adjust...

  • Page 14: Test Signal Selection

    „ „ „ „ TEST SIGNAL SELECTION E very pressing of AV M IX button changes the test patterns on screen as descriked below. S ignal off PA L signals ( 14 patterns ) N TS C signals ( 14 patterns ) ITEM Adjustment procedure Horizontal position...

  • Page 15: Service Remote Controller

    „ „ „ „ SERVICE REMOTE CONTROLLER - A djust w hole service function w ithout using user rem ote controller. - The follow ing box explains special keys. OPERATION P O W ER To turn TV on/off To select teletext S EA RC H S TO P To stop searching C hannel S CR EE N O N/O FF...

  • Page 16: Parts List

    PARTS LIST Caution: In this Service 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) LOC.
  • Page 17 LOC. PART CODE PART NAME PART DESCIRPTION C411 CE YD 1H 689V C ELE CTRO 50V R UB 6.8M F (16*35.5) C413 CE YF2C 221C C ELE CTRO 160V RU S 220M F (18X 35.5) C427 CM X M 2A 104J C M Y LA R 100V 0.1M F J (TP) C801...
  • Page 18 LOC. PART CODE PART NAME PART DESCIRPTION I801 1S TR S6708- IC PO W ER STR-S 6708 I801A 48570265 H EAT S INK AL EX I801B 7174301211 S CR E W TA PPTITE TT2 R ND 3X 12 M FZN I802 1S E130N --- SE 130N...
  • Page 19 LOC. PART CODE PART NAME PART DESCIRPTION TU 01 485971723 TUN E R VA RA CTO R UH F111 W 001 W BN ZBK 2515 W IRE LE AD 1617 AW G 22 17/0.16 B K 5-250-5 X501 5X E16R200E C RY STAL Q U ARTZ HC -49/U 16.20000M HZ 30PP M X701...
  • Page 20 LOC. PART CODE PART NAME PART DESCIRPTION C306 CE XF1E 221V C ELE CTRO 25V R SS 220M F (8X 11.5) TP C307 CM X M 2A 102J C M Y LA R 100V 1000PF J (TP ) C308 CE XF1H 229V C ELE CTRO 50V R SS 2.2M F (5X 11) TP C311...
  • Page 21 LOC. PART CODE PART NAME PART DESCIRPTION C518 CE XF1H 100V C ELE CTRO 50V R SS 10M F (5X 11) TP C519 CC XF1H 103Z C CE RA 50V F 0.01M F Z (TAP P IN G ) C520 CE XF1H 479V C ELE CTRO 50V R SS 4.7M F (5X 11) TP...
  • Page 22 LOC. PART CODE PART NAME PART DESCIRPTION C680 CM X M 2A 562J C M Y LA R 100V 5600PF J (TP ) C681 CM X M 2A 333J C M Y LA R 100V 0.033M F J (TP ) C692 CC XF1H 103Z C CE RA...
  • Page 23 LOC. PART CODE PART NAME PART DESCIRPTION Q 705 TK TC 3198Y - KTC3198Y Q 706 TK TC 3198Y - KTC3198Y Q 707 TK TC 3198Y - KTC3198Y Q 803 TK TC 3198Y - KTC3198Y Q 804 TK TC 3198Y - KTC3198Y Q 805 TK TC 3198Y -...
  • Page 24 LOC. PART CODE PART NAME PART DESCIRPTION D303 DR G P 15J--- D IO D E RG P15J D304 D1N4148--- D IO D E 1N 4148 (TA PP ING ) D307 D1N4148--- D IO D E 1N 4148 (TA PP ING ) D321 DR G P 15J--- D IO D E...
  • Page 25 LOC. PART CODE PART NAME PART DESCIRPTION L403 5M C0000100 C O IL BE AD HC -3550 L451 5C PZ470K02 C O IL PE AK ING 47UH K (AX IAL 3.5M M ) L501 5C PZ100K02 C O IL PE AK ING 10UH K (AX IAL 3.5M M ) L502 5C PZ100K02...
  • Page 26 LOC. PART CODE PART NAME PART DESCIRPTION R604 RD -4Z750J- R CA RB O N FILM 1/4 75 O H M J R605 RD -4Z124J- R CA RB O N FILM 1/4 120K O H M J R606 RD -4Z124J- R CA RB O N FILM 1/4 120K O H M J R607...
  • Page 27 LOC. PART CODE PART NAME PART DESCIRPTION R705 RD -A Z103J- R CA RB O N FILM 1/6 10K O HM J R706 RD -A Z101J- R CA RB O N FILM 1/6 100 O HM J R707 RD -A Z103J- R CA RB O N FILM 1/6 10K O HM J R708...
  • Page 28 LOC. PART CODE PART NAME PART DESCIRPTION R752 RD -A Z563J- R CA RB O N FILM 1/6 56K O HM J R753 RD -A Z103J- R CA RB O N FILM 1/6 10K O HM J R775 RD -A Z152J- R CA RB O N FILM 1/6 1.5K O HM J R776...
  • Page 29 LOC. PART CODE PART NAME PART DESCIRPTION Q 903 PTA 2SW 5200 H EAT S INK AS S`Y TK TC 3229-- 7174300811 1TKTC3229-- KTC 3229 0000A 48570252 H EAT S INK SP CC T1.0 D G 0000B 7174300811 S CR E W TA PPTITE TT2 R ND 3X 8 M FZN SC T1 485930283...

  • Page 30: Difference Parts List

    DIFFERENCE PARTS LIST DTC-29G1VM DTC-2987VM PA RT PART LO C . S /N PA RT N A M E PA RT NA M E D ES CR IPTIO N D ES CR IPTIO N CO IL CO IL L401 58H0000039 TRL-200D 58H0000039 TRL-200D...
  • Page 31 DTC-29G1VM DTC-25G1VM PA RT PART LO C . S /N PA RT N AM E PA RT NA M E D ES CR IPTIO N D ES CR IPTIO N W IRE AW G 22 1/0.65 J054 85801065G Y CO PP ER...

  • Page 32: Printed Circuit Boards

    PRINTED CIRCUIT BOARDS...

  • Page 33: Dtc-25G1Vm

    DTC-25G1VM MATERIAL REMARKS PART CODE PART NAME Q'ty 150ART P/E FILM 4855415800 SPEC PLATE T2S TRS 4X16 MFZN BK 7122401612 SCREW TAPPING 4852150321 COVER BACK HIPS BK 4857817610 CLOTH BLACK FELT T0.7 L=300mm 4857015801 HEAT SINK SPCC-SN T1.0 CRT DRIVE PCB...

  • Page 34: Dtc-29G1Vm

    DTC-29G1VM REMARKS PART CODE PART NAME MATERIAL Q'ty 4853526000 HOLDER DEGAUSS NYLON 66 4853747800 RETA PCB NYLON 66 4855415800 SPEC PLATE 150ART P/E FILM 7122401612 SCREW TAPPING T2S TRS 4X16 MFZN BK 4857817610 CLOTH BLACK FELT T0.7 L=300 4852150401 COVER BACK HIPS BK 4857817630 CLOTH BLACK...

  • Page 35: Dtc-29G3Vmr

    DTC-29G3VMR Q'ty PART CODE PART NAME MATERIAL REMARKS 4855415800 150ART P/E FILM SPEC PLATE 7122401612 SCREW TAPPING T2S TRS 4X16 MFZN BK FELT T0.7 L=300 4857817810 CLOTH BLACK 4852150221 COVER BACK HIPS BK 4857817810 CLOTH BLACK FELT T0.7 L=300 4855058402 DECO CTRL PVC T0.25 4856015820...

  • Page 36: Dtc-29G4Vms

    DTC-29G4VMS PART CODE PART NAME MATERIAL Q'ty REMARKS 7122401612 SCREW TAPPING T2S TRS 4X16 MFZN BK 4857817810 CLOTH BLACK FELT T0.7 L=300 4852150701 COVER BACK HIPS BK FELT T0.7 L=300 4857817810 CLOTH BLACK L=35 4856015820 SCREW CRT FIX 4856215402 WASHER RUBBER TUBE A'SSY 4857817630 FRAME SUB PCB...

  • Page 37: Dtc-2987Vm

    DTC-2987VM MATERIAL REMARKS PART CODE PART NAME Q'ty 7122401601 SCREW TAPPING T2 TRS 4 X 12 MFZN 4853812000 TERMINAL ANT FR HIPS BK 97P2316600 HOLDER AC CORD NYLON66 UL/CSA T2S WAS 3 X 10 MFZN 7128301011 SCREW TAPPING PCB ASS'Y PCB MAIN FRAME MAIN PCB PCB ASS'Y...
  • Page 40 DAEWOO ELECTRONICS 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 S/M NO. : CM900P-010 PRINTED DATE : JULY 1998...

This manual is also suitable for:

Dtc-29g1vmDtc-25g3vmrDtc-29g1tmDtc-25g1tmDtc-25g4vmsDtc-25g7vm

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