Daewoo DTR-29M5MP Service Manual
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Daewoo DTR-29M5MP Service Manual

Daewoo DTR-29M5MP Service Manual

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Service Manual
COLOR TELEVISION
CHASSIS : CM-908/F
MODEL : DTR-29M5ME/MP/MT/MZ
S/M No : TCM908FEF0
DTR-29M6ME/MP/MT/MZ
DTR-29M7ME/MP/MT/MZ
DTR-29U1ME/MP/MT/MZ
DTR-29U5ME/MP/MT/MZ
MODEL OPTION LIST
MODEL
TEXT
ME
O
MP
X
MT
O
MZ
X
PIP
O
O
X
X

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  • Page 1 All manuals and user guides at all-guides.com S/M No : TCM908FEF0 Service Manual COLOR TELEVISION CHASSIS : CM-908/F MODEL : DTR-29M5ME/MP/MT/MZ DTR-29M6ME/MP/MT/MZ DTR-29M7ME/MP/MT/MZ DTR-29U1ME/MP/MT/MZ DTR-29U5ME/MP/MT/MZ MODEL OPTION LIST MODEL TEXT...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com 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.

  • Page 3: Specifications

    All manuals and user guides at all-guides.com 1. SPECIFICATIONS Items Model DTR-29M5ME/MP/MT/MZ DTR-29M6ME/MP/MT/MZ DTR-29M7ME/MP/MT/MZ DTR-29U1ME/MP/MT/MZ DTR-29U5ME/MP/MT/MZ TV Standard Color system PAL/SECAM, NTSC-4.43(AV) Sound system B/G, D/K, I Rated Voltage AC 110-250V, 50/60Hz Power consumption 105W Sound Output Power 7W+7W VHF-L : IC1-S6CH (43.25MHz~140.25MHz) Channel Coverage VHF-H : IC1-S36CH (147.25MHz~423.25MHz) UHF : S37-C57CH(431.25MHz~863.25MHz)

  • Page 4: Safety Instruction

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 3. CIRCUIT BLOCK DIAGRAM...

  • Page 6: Alignment Instructions

    All manuals and user guides at all-guides.com 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 -...
  • Page 7 All manuals and user guides at all-guides.com 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.
  • Page 8 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 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.
  • Page 11 All manuals and user guides at all-guides.com ALIGNMENT INSTRUCTIONS 9. REMOCON 9-1. SERVICE REMOCON 9-2. USER REMOCON POWER RECALL MUTE ADD/ERASE SURROUND MENU POSITION PAUSE/ TV/VIDEO STILL POSITION SIZE SLEEP 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.

  • Page 12: Typical Service Data

    All manuals and user guides at all-guides.com 5. CM-908/F TYPICAL SERVICE DATA -11-...

  • Page 13: Electrical Parts List

    All manuals and user guides at all-guides.com 6. ELECTRICAL PARTS LIST 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(Prats Price List) in Service information Center (http://svc.dwe.co.kr) PART CODE PART NAME DESCRIPTION REMARK...
  • Page 14 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK C419 CEXF1C471V C ELECTRO 16V RSS 470MF (8X12)TP E054 4856310600 EYE LET BSR T0.2 (R2.3) C422 CEXF2C101V C ELECTRO 160V RSS 100MF (16X25) TP E055 4856310600...
  • Page 15 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK C409 CEXF2C339V C ELECTRO 160V RSS 3.3MF (8X16) TP C825 CCXF1H473Z C CERA 50V F 0.047MF Z (TAPPING) C410 CCXB2H561K C CERA...
  • Page 16 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK 2TM10006LB TAPE MASKING 3M #232-MAP-C 6.2X2000M D505 DUZ5R1B—- DIODE ZENER UZ-5.1B A001 4859808993 PCB MAIN 330X246 1.6T D506 D1N4148—- DIODE 1N4148 (TAPPING)
  • Page 17 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK J026 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J094 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J027 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J095...
  • Page 18 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK L582 5CPZ100K02 COIL PEAKING 10UH K (AXIAL 3.5MM) R528 RD-AZ473J- R CARBON FILM 1/6 47K OHM J L599 5CPZ479K02 COIL PEAKING 4.7UH K (AXIAL 3.5MM)
  • Page 19 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK R614 RD-AZ203J- R CARBON FILM 1/6 20K OHM J CP20 CEXF1H229V C ELECTRO 50V RSS 2.2MF (5X11) TP R615 RD-AZ203J- R CARBON FILM...
  • Page 20 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST PART CODE PART NAME DESCRIPTION REMARK PART CODE PART NAME DESCRIPTION REMARK R922 RS02Z561JS R M-OXIDE FILM 2W 560 OHM J SMALL DD01 DUZ7R5BM— DIODE ZENER UZ-7.5BM ZZ200 PTUNJRD908 PCB UNION RADIAL AS DTR-29M5ME J901 85801065GY...

  • Page 21: Each Model Parts List

    All manuals and user guides at all-guides.com 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...
  • Page 22 All manuals and user guides at all-guides.com 8. Schmetic Diagram -21-...

  • Page 23: Printed Circuit Board

    All manuals and user guides at all-guides.com 9. Printed Circuit Board (CM-908) -22-...
  • Page 24 All manuals and user guides at all-guides.com 9. Printed Circuit Board (CM-908F) -23-...
  • Page 25 All manuals and user guides at all-guides.com 9. Printed Circuit Board (Union,PIP) CM-908/F UNION CM-908/F PIP -24-...
  • Page 26 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 -25-...
  • Page 27 All manuals and user guides at all-guides.com Mechanical Exploded View 10-2 DTR-29M6 -26-...
  • Page 28 All manuals and user guides at all-guides.com Mechanical Exploded View 10-3 DTR-29M7 -27-...
  • Page 29 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-29U1 MODEL DAEWOO Electronics Corp. 485009KR Mechani c al Desi g n Team, TV Research Center REFERENCE -28-...
  • Page 30 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 -29-...
  • Page 31 All manuals and user guides at all-guides.com 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.

  • Page 32: Ic Description

    All manuals and user guides at all-guides.com IC DESCRIPTION VCT 38xxA/B VCT 38xxA/B 3. Pin Configuration VSUPP1 GNDP1 RESQ XTAL2 XTAL1 GNDS VIN5/P10 VSUPS VOUT AOUT1 AOUT2 SGND GNDAF AIN1 VUSPAF AIN2 CBIN AIN3 CIN1 XREF CIN2/CRIN VIN1 GNDAB VIN2 VSUPAB BOUT VIN3...
  • Page 33 All manuals and user guides at all-guides.com 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...
  • Page 34 All manuals and user guides at all-guides.com 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...
  • Page 35 All manuals and user guides at all-guides.com 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.
  • Page 36 All manuals and user guides at all-guides.com 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.
  • Page 37 All manuals and user guides at all-guides.com 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.
  • Page 38 All manuals and user guides at all-guides.com 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.
  • Page 39 All manuals and user guides at all-guides.com 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.
  • Page 40 All manuals and user guides at all-guides.com 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 -39-...
  • Page 41 All manuals and user guides at all-guides.com 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...
  • Page 42 All manuals and user guides at all-guides.com 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...
  • Page 43 All manuals and user guides at all-guides.com IC DESCRIPTION TDA7442D BLOCK DIAGRAM(TDA7442D) -42-...
  • Page 44 All manuals and user guides at all-guides.com 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...
  • Page 45 All manuals and user guides at all-guides.com IC DESCRIPTION TDA7442D PIN: L-OUT, R-OUT PIN: BASS-LI,BASS-RI 20µA 20µA : Bass BASS-LO BASS-RO D98AU949 D95AU230 PIN: BASS-LO,BASS-RO 20µA BASS-LI,BASS-RI D98AU950 -44-...
  • Page 46 All manuals and user guides at all-guides.com 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...
  • Page 47 All manuals and user guides at all-guides.com 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.

  • Page 48: Trouble Shooting Charts

    All manuals and user guides at all-guides.com 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...
  • Page 49 All manuals and user guides at all-guides.com 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 CHANGE SIGNAL...
  • Page 50 All manuals and user guides at all-guides.com 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...
  • Page 51 All manuals and user guides at all-guides.com 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...
  • Page 52 All manuals and user guides at all-guides.com 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...
  • Page 53 All manuals and user guides at all-guides.com TROUBLE SHOOTING CHARTS 6. NO MIAN SOUND (RF) Check Signal at Pin NORMAL CHECK 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...
  • Page 54 All manuals and user guides at all-guides.com 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...
  • Page 55 All manuals and user guides at all-guides.com 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 -54-...
  • Page 56 All manuals and user guides at all-guides.com PRINTED DATE : Dec. 2003...

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