Daewoo DTC-29M5ME Service Manual
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Daewoo DTC-29M5ME Service Manual

Daewoo DTC-29M5ME Service Manual

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Service Manual

COLOR TELEVISION
CHASSIS : CM-907/F
MODEL : DTC-29M5ME/MP/MT/MZ
DTC-29U1ME/MP/MT/MZ
DTC-29U5ME/MP/MT/MZ
KR29M5-ME/MP/MT/MZ
MODEL OPTION LIST
MODEL
ME
MP
MT
MZ
S/M No : TCM907FEF0
TEXT
PIP
O
O
X
O
O
X
X
X

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Summary of Contents for Daewoo DTC-29M5ME

  • Page 1: Service Manual

    S/M No : TCM907FEF0 Service Manual COLOR TELEVISION CHASSIS : CM-907/F MODEL : DTC-29M5ME/MP/MT/MZ DTC-29U1ME/MP/MT/MZ DTC-29U5ME/MP/MT/MZ KR29M5-ME/MP/MT/MZ MODEL OPTION LIST MODEL TEXT...

  • Page 2: Table Of Contents

    ABLE OF CONTENTS ABLE OF CONTENTS 1. SPECIFICATIONS 2. SAFETY INSTRUCTION 3. CIRCUIT BLOCK DIAGRAM 4. ALIGNMENT INSTRUCTIONS 5. CM-907 TYPICAL SERVICE DATA 6. ELECTRICAL PARTS LIST 7. EACH MODEL PARTS LIST 8. SCHEMATIC DIAGRAM 9. PRINTED CIRCUIT BOARD 10. MECHANICAL EXPLODED VIEW AND PARTS LIST APPENDIX (“Appendix is provided only by internet [http://svc.dwe.co.kr]”) APPENDIX (“Appendix is provided only by internet [http://svc.dwe.co.kr]”) 11.

  • Page 3: Specifications

    1. SPECIFICATIONS Items Model DTC-29M5ME/MP/MT/MZ DTC-29U1ME/MP/MT/MZ DTC-29U5ME/MP/MT/MZ KR29M5-ME/MP/MT/MZ TV Standard Color system PAL/SECAM, NTSC-4.43(AV) Sound system B/G, D/K, I Rated Voltage AC 100~250V, 50/60Hz Power consumption NOMAL : 130W, FLAT : 135W Sound Output Power 7W+7W VHF-L : IC1-S6CH (43.25MHz~140.25MHz) Channel Coverage VHF-H : IC1-S36CH (147.25MHz~423.25MHz)

  • Page 4: Safety Instruction

    2. SAFETY INSTRUCTION NOTE BEFORE SERVICING THIS CHASSIS READ THE “X-RAY RADIATION PRECAUTIONS”, “SAFETY PRECAUTIONS” AND “PRODUCT SAFETY NOTICE” BELOW. X-RAY RADIATION PRECAUTIONS 1. Excessive high voltage can produce potentially hazard- of the high voltage recorded as a part of the service ous X-RAY RADIATION.

  • Page 5: Circuit Block Diagram

    3. CIRCUIT BLOCK DIAGRAM...

  • Page 6: Alignment Instructions

    4. ALIGNMENT INSTRUCTIONS 1. SERVICE REMOCON & EEPROM PRESETTING DATA 1-1. SERVICE REMOCON : R-34SVC (S/N:48B3034SVC) 1-2. EEPROM PRESETTING DATA KEY Name Details BARE NORMAL FLAT WIDE remark NTSC NT=PAL+xxx NTSC NTSC Heat-Run Screen Sound Test Picture Test - BCL THR BCL GAIN WHITE PEAK Geometry...
  • Page 7 ALIGNMENT INSTRUCTIONS SVC KEY EXPLAIN (S5) BCL THD : MAX BEAM CURRENT ADJUST,DIFFERENT DATA FOR INCH. BCL GAIN : AVERAGE BEAM ADJUST. (S6) GEOMETRY : PAL (50Hz) adjust. AV NTSC is auto correction. (S10) NORMAL : PICTURE NORMAL data setting. (SLEEP) : TXT CHECK ON LINE (SIZE) : GAME FUNCTION CHECK ON LINE (S11) OPTION...
  • Page 8 ALIGNMENT INSTRUCTIONS 3.The adjustment of SCREEN 3-1. Confirm the presetting IBRM data of EEPROM according to CRT. 3-2. Press the [S2] KEY of SVC Remocon, horizontal line will be displayed. 3-3. Adjust SCREEN V/R of FBT so that the horizontal line reach the cut-off point. 3-4 To be completed adjustment of screen.
  • Page 9 ALIGNMENT INSTRUCTIONS 6-3. The adjustment of VERTICAL SIZE 6-3-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH). 6-3-2. Press the PR up/down Keys to select V-SIZE. Adjust with Vol Up/Down ( / ) keys so that the upper and the lower of RETMA pattern may be located at the boundaries of the screen.
  • Page 10 ALIGNMENT INSTRUCTIONS 7. THE ADJUSTMENT OF SUB-PICTURE (SUB-BRIGHT,SUB-CONTRAST) 7-1. Receive PAL RETMA PATTERN(signal of company:2CH., PAL-B) 7-2. Press the [S9] KEY of SVC Remocon, BRM OSD wil be displayed. 7-3. The adjustment of SUB-BRIGHT 7-3-1. Press the PR up/down Keys ( / ) to select SUB-BRIGHT in SUB-PICTURE MENU. Adjust SUB-BRIGHT with Vol Up/Down ( / ) keys.
  • Page 11 ALIGNMENT INSTRUCTIONS 9. REMOCON 9-1. SERVICE REMOCON 9-2. USER REMOCON POWER RECALL MUTE ADD/ERASE SURROUND MENU POSITION PAUSE/ TV/VIDEO STILL SIZE SLEEP POSITION R-34SVC 9-3. SERVICE REMOCON 1) Enter SERVICE MODE : Press keys of User Remocon, as follows. Ch91, Sharpness 0, Skip(red), Move(green), Menu. 2) Choice SERVICE MENU : Pr-Up/Down 3) Enter SERVICE SUB MENU : Vol-Up/Down -10-...

  • Page 12: Cm-907 Typical Service Data

    5. CM-907/F TYPICAL SERVICE DATA -11-...

  • Page 13: Electrical Parts List

    6. ELECTRICAL PARTS LIST DTC-29M5ME PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B4844C07 TRANSMITTER REMOCON R-44C07 (AA) DC01 DLH2PR5MHS LED HOLDER AS LH-2P-R-5M-H3 ZZ110 PTACPWD703 ACCESSORY AS DTC-29M5ME F801 5F3GB6322L FUSE GLASS TUBE V/S TL 6.3A 250V MF51...
  • Page 14 DA-IB0214(D2.3/DY PIN) C837 CEXF1C222V C ELECTRO 16V RSS 2200MF (16X31.5) TP P501 485923192S CONN WAFER YW025-06 (STICK) ZZ200 PTMPJBD703 PCB MAIN M-10 AS DTC-29M5ME P502 485923172S CONN WAFER YW025-04 (STICK) 2TM18006BE TAPE MASKING 6.2X500 P601 485923172S CONN WAFER YW025-04 (STICK)
  • Page 15 100V 6800PF J (TP) SW706 5S50101090 SW TACT THVH472GCA C634 CMXM2A682J C MYLAR 100V 6800PF J (TP) ZZ200 PTMPJAD703 PCB MAIN AXIAL AS DTC-29M5ME C805 CEXF1H470V C ELECTRO 50V RSS 47MF (6.3X11) TP 2TM14006LB TAPE MASKING 3M #232 6.0X2000M C807 CEXF1H100V C ELECTRO...
  • Page 16 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK C604 CBZF1H104Z C CERA SEMI 50V F 0.1MF Z J009 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING C605 CBZF1H104Z C CERA SEMI 50V F 0.1MF Z J010 85801065GY WIRE COPPER...
  • Page 17 ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK J075 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING L405 5CPZ109M02 COIL PEAKING 1UH M (AXIAL 3.5MM) J076 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING L501 5CPZ101K02 COIL PEAKING 100UH K (AXIAL 3.5MM)
  • Page 18 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R570 RD-2Z101J- R CARBON FILM 1/2 100 OHM J ZZ400 PTPMMSD703 PCB PIP MANUAL AS DTC-29M5ME R573 RD-AZ560J- R CARBON FILM 1/6 56 OHM J IP02 1K78R33—- IC REGULATOR KIA78R33API R574 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J...
  • Page 19 CONNECTOR YH025-03+YBNH250+ULW=200 QP04 TKSA1013Y- KSA1013Y (TP) SCT1 4859303530 SOCKET CRT PCS629-03C ZZ200 PTPMJAD703 PCB PIP AXIAL AS DTC-29M5ME ZZ200 PTUNJ0D703 PCB UNION RHU AS DTC-29M5ME 2TM14006LB TAPE MASKING 3M #232 6.0X2000M C904 CEXF2E100V C ELECTRO 250V RSS 10MF (10X20) TP...

  • Page 20: Each Model Parts List

    7. EACH MODEL PARTS LIST PART NAME NORMAL FLAT L401 COIL H-LINEARITY TRL-200D TRL-350B T401 FFA64039L BSC29-0197 C408 C MYLAR 200V 0.62 MF 200V 0.39MF C405 C MYLAR 1.6KV 0.01MF 1.6KV 6900PF C406 C MYLAR 1.6KV 91200PF 1.6KV 8200PF R919 R M-OXIDE FILM 2W 3.9 OHM 2W 3.6 OHM...

  • Page 21: Schematic Diagram

    8. Schmetic Diagram -20-...

  • Page 22: Printed Circuit Board

    9. Printed Circuit Board (CM-907) -21-...
  • Page 23 9. Printed Circuit Board (CM-907F) -22-...
  • Page 24 9. Printed Circuit Board (Union) -23-...

  • Page 25: Mechanical Exploded View And Parts List

    REMARKS Designed by Checked by Inspected by Approved by ASSY NAME UNITS S.B.CHO DEVELOPMENT DWG ( 1 / 1 ) 0.200 SCALE MODEL 29M5 Daewoo Electronics Corp. 485009H4 Mechani c al Desi g n Team, TV Research Center REFERENCE -24-...
  • Page 26 PART CODE PART NAME MATERIAL REMARKS Q’ty Designed by Checked by Inspected by Approved by PART NAME UNITS DEVELOPMENT DWG SCALE 01.09.26 MODEL DTQ-29U1 DAEWOO Electronics Corp. 485009KR Mechani c al Desi g n Team, TV Research Center REFERENCE -25-...
  • Page 27 PART CODE PART NAME MATERIAL REMARKS Q’ty Designed by Checked by Inspected by Approved by PART NAME UNITS DEVELOPMENT DWG SCALE 01.09.26 DTQ-29U5 MODEL DAEWOO Electronics Corp. 485009KU Mechani c al Desi g n Team, TV Research Center REFERENCE -26-...

  • Page 28: Ic Description

    11. IC DESCRIPTION VCT 38xxA/B 1. Introduction The VCT 38xxA/B family offers a rich feature set, cov- The VCT 38xxA/B is an IC family of high-quality single- ering the whole range of state-of-the-art 50/60-Hz TV chip TV processors. Modular design and a submicron applications.
  • Page 29 IC DESCRIPTION VCT 38xxA/B VCT 38xxA/B 3. Pin Configuration VSUPP1 GNDP1 RESQ XTAL2 XTAL1 GNDS VIN5/P10 VSUPS VOUT AOUT1 AOUT2 SGND AIN1 GNDAF AIN2 VUSPAF AIN3 CBIN XREF CIN1 CIN2/CRIN VIN1 GNDAB VIN2 VSUPAB BOUT VIN3 GOUT VIN4 ROUT TEST SVMOUT HOUT RSW2...
  • Page 30 IC DESCRIPTION VCT 38xxA/B 4. Pin Connections and Short descriptions NC=not connected IN=Input LV=if not used, leave vacant OUT=Output X=obligatory;connect as described in circuit diagram SUPPLY=Supply Pin Pin No. PSDIP Pin Name Type Connection Short Description 64-pin (if not used) IN/OUT Port 1, Bit 7 IN/OUT...
  • Page 31 IC DESCRIPTION VCT 38xxA/B Pin No. PSDIP Pin Name Type Connection Short Description 64-pin (if not used) VERT Differential Vertical Sawtooth Output Vertical Parabola Output SENSE Sense ADC Input GNDM SUPPLY Ground, MADC Input RSW1 Range Switch1 for Measurement ADC RSW2 Range Switch2 for Measurement ADC SVMOUT...
  • Page 32 IC DESCRIPTION VCT 38xxA/B 5. Pin Descriptions for PSDIP64 package Pin 23, TEST Test Input (Fig. 6–5) This pin enables factory test modes. For normal opera- tion, it must be connected to ground. Pin 1,2,5-10, P17 P10 I/O Port (Fig. 6–27) These pins provide CPU controlled I/O ports.
  • Page 33 IC DESCRIPTION VCT 38xxA/B Pin 35, VERT Vertical Sawtooth Output (Fig. 6–20) Pin 48, XREF DAC Current Reference (Fig. 6–24) This pin supplies the drive signal for the vertical output External reference resistor for DAC output currents, stage. The drive signal is generated with 15-bit preci- typical 10 k ߟ...
  • Page 34 IC DESCRIPTION VCT 38xxA/B 6. Pin Circuits VSUP VSUP To ADC Fig. 6-5 : Input pins TEST, DISINTROM Fig. 6-9 : Input pins VIN1-VIN5 VSUP VSUP To ADC Fig. 6-10 : Input pins CIN1-CIN2 Fig. 6-6 : Input/Output pins RESQ, SDA, SCL VSUP VSUP To ADC...
  • Page 35 IC DESCRIPTION VCT 38xxA/B VSUP VSUP Clamping Fig. 6-14 : Input pins RIN, GIN, BIN Fig. 6-19 : Output pin INTLC VSUP Flyback Bias VERTQ Fig. 6-15 : Output pin ROUT, GOUT, VERT BOUT, SVMOUT Fig. 6-20 : Output pins VERT, VERTQ Fig.
  • Page 36 IC DESCRIPTION VCT 38xxA/B VSUP VSUP s Fig. 6-23 : Input pins SENSE Fig. 6-28 : Input pins P42-P46 VSUP ref. current int. ref. XREF voltage VSUP Fig. 6-24 : Supply pins XREF, VRD 40 k 2.5V Fig. 6-29 : Outpin pins ADB0-ADB18, OE1, OE2, WE1, WE2 Fig.
  • Page 37 IC DESCRIPTION TDA8946J 1. Block Diagram V CC1 V CC2 OUT1- IN1- IN1+ OUT1+ TDA8946J OUT2- IN2- IN2+ OUT2+ V CC STANDBY/ MODE MUTE LOGIC SHORT CIRCUIT TEMPERATURE PROTECTION MBK929 GND1 GND2 -36-...
  • Page 38 IC DESCRIPTION TDA8946J 2. Block Diagram 2-1 Pinning OUT1- GND1 V CC1 OUT1+ n.c. IN1+ n.c. IN1- TDA8949J IN2- MODE IN2+ OUT2+ GND2 V CC2 OUT2- MBK932 2-2 Pin description Symbol Description OUT1- negative loudspeaker terminal 1 GND1 ground channel 1 supply voltage channel 1 OUT1+ positive loudspeaker terminal 1...
  • Page 39 IC DESCRIPTION TDA7442D 4STEREOINPUTS INPUTATTENUATIONCONTROLIN0.5dB STEP TREBLEANDBASSCONTROL TWOSURROUNDMODEAVAILABLEWITH 4SELECTABLERESPONSES: - MUSIC - SIMULATEDSTEREO TWOSPEAKERATTENUATORS: - 2INDEPENDENTSPEAKERCONTROLS IN1dBSTEPSFORBALANCEFACILITY - INDEPENDENTMUTEFUNCTION SDIP32 ALLFUNCTIONSPROGRAMMABLEVIASE-RIALBUS 2MONITOROUTPUT(ONLYFORTDA7442) R-IN2 R-IN3 R-IN1 R-IN4 MONITOR(L) L-OUT MONITOR(R) R-OUT L-IN1 AGND L-IN2 L-IN3 CREF L-IN4 MUXOUT(L) IN(L) DIGGND MUXOUT(R) TREBLE-R N.C.
  • Page 40 IC DESCRIPTION TDA7442D BLOCK DIAGRAM(TDA7442D) -39-...
  • Page 41 IC DESCRIPTION TDA7442D TDA7442 - TDA7442D PIN: TREBLE-L, TREBLE-R PIN: VOUT REF 20µA 20µA D95AU233A D95AU309 PIN: L-IN, R-IN, L-IN2, R-IN2, L-IN3, R-IN3, PIN: CREF L-IN4, R-IN4, 20µA 20µA D95AU336 D94AU200 PIN: SCL, SDA PIN: LP 20µA 20µA D94AU205 D95AU308 -40-...
  • Page 42 IC DESCRIPTION TDA7442D PIN: BASS-LI,BASS-RI PIN: L-OUT, R-OUT 20µA 20µA : Bass BASS-LO BASS-RO D98AU949 D95AU230 PIN: BASS-LO,BASS-RO 20µA BASS-LI,BASS-RI D98AU950 -41-...
  • Page 43 IC DESCRIPTION TEA5101B BANDWIDTH : 10MHz TYPICAL RISE AND FALL TIME : 50ns TYPICAL CRT CATHODES CURRENT OUTPUTS FOR PARALLEL OR SEQUENTIAL CUT-OFF OR DRIVE ADJUSTMENT FLASHOVER PROTECTION POWER DISSIPATION : 3.5W ESD PROTECTED BLUE FEEDBACK BLUE CATHODE CURRENT BLUE OUTPUT GREEN FEEDBACK GREEN CATHODE CURRENT GREEN OUTPUT...
  • Page 44 PIN FUNCTION Function Description Blue Input Input of the “blue” amplifier. It is a virtual ground with 3.8V bias voltage, 15 microamperss input bias current with 14KΩ input resistance. Low voltage power supply, typically 12V. Green Input See Pin 1. Red Input See Pin 1.

  • Page 45: Trouble Shooting Charts

    TROUBLE SHOOTING CHARTS 1. NO RASTER CHECK MAIN B+(133V) NORMAL ABNORMAL CHECK VOLTAGE CHECK HEATER VOLTAGE OF C804(220MF) VIDEO B+(220V) LINE 295VDC AT AC 220V 28V & 15V NORMAL NORMAL ABNORMAL ABNORMAL CHECK/ REPLACE CHECK/REPLACE CHECK Horizontal F801 I801 plose AT PIN 24 OF I501 (STR-F6656) NORMAL CHECK/REPLACE...
  • Page 46 TROUBLE SHOOTING CHARTS 2. NO PICTURE(RASTER OK) CHECK SIGNAL AT PIN 19 OF I501 NORMAL ABNORMAL CHECK SIGNAL AT PIN CHANGE INPUT MODE 42, 43, 44, OF I501 RF --> AV --> RF NORMAL ABNORMAL CHECK VOLTAGE AT PIN CHANGE SIGNAL 45 OF I501 CVBS OF TUNER ABNORMAL...
  • Page 47 TROUBLE SHOOTING CHARTS 3. NO COLOR ABNORMAL CHECK SIGNAL AT 19TH PIN OF I501 NORMAL CHANGE THE SYSTEM CHECK / REPLACE PAL ---> SECAM CVBS OF TUNER NORMAL ABNORMAL CHECK R,G,B SIGNAL CHECK / REPLACE 42,43,44TH OF I501 C509 CHECK / REPLACE Q502,Q503,Q504,Q505 CHECK / REPLACE CRT PART...
  • Page 48 TROUBLE SHOOTING CHARTS 4. NO PICTURE ABNORMAL CHECK NORMAL CHECK SIGNAL OUT AT R,G,B 19TH PIN OF I501 OF I501 ABNORMAL NORMAL CHECK / REPLACE CHANGE INPUT MODE CHECK / REPLACE I501 RF ->AV ->RF Q502,Q503,Q504,Q505 CHECK CHECK SIGNAL AT CHECK / REPLACE NORMAL AV Signal...
  • Page 49 TROUBLE SHOOTING CHARTS 5. NO VERTICAL SCANNING(ONE HORIZONTAL LINE RASTER) CHECK DY CONNECTOR CHECK / REPLACE ABNORMAL D410, D301 CHECK INPUT 28V LINE, 15V LINE VOLTAGE OF I301 NORMAL ABNORMAL CHECK CHECK NORMAL VERTICAL INPUT 35TH PIN OF I501 (Vin) OF I301 ABNORMAL ABNORMAL CHECK / REPLACE...
  • Page 50 TROUBLE SHOOTING CHARTS 6. NO MIAN SOUND (RF) Check Signal at Pin CHECK NORMAL 1, 4, 14, 17, of I602 Speaker & Connector ABNORMAL Check Signal at Pin NORMAL Replade I602 6, 12 of I602 ABNORMAL Check Signal at Pin Check / Replace NORMAL 29, 30 I601...
  • Page 51 TROUBLE SHOOTING CHARTS 7. NO EXTERNAL AV(RF OK) CHECK CONNECTION of AV1, AV2, DVD1, DVD2 NORMAL ABNORMAL CHECK SIGNAL AT PIN CHECK Signal of 20, 21, 22, 16, 17, 18 OF I501 AV1, AV2, DVD1, DVD2 NORMAL ABNORMAL CHECK / REPLACE CHECK SIGNAL AT PIN I501 R,G,B,42,43,44 OF I501...
  • Page 52 TROUBLE SHOOTING CHARTS 8.REMOTE CONTROL UNIT TROUBLE CHECK ABNORMAL REPLACE BATTERY AND LED BATTERY OF REMOCON NORMAL ABNORMAL REPLACE CHECK IR OF PREAMP AND PREAMP IC(IF01) VCC OF PREAMP IC(IF01) NORMAL CHECK/REPLACE 8TH PIN OF I501 -51-...
  • Page 53 PRINTED DATE : Feb. 2003...

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