Daewoo DTC-29M5ME Service Manual

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

-9-ALIGNMENT INSTRUCTIONS4.5 CONTROL DESCRIPTION4.5.1 OPTION 1 BITS- TOP Teletext(Bit 7)Enables/disables the TV from displaying TOP row 24 link titles

-10-ALIGNMENT INSTRUCTIONS4.5.2 OPTION 2 BITS- Remote control(Bit 7)This is not intended to be changed by use of the FACTORY remote control.- NEC/Dae

Teletext tableC12 C13 C14 Basic Char.Set Twist Char.Set NOT EWLatin West 0 0 0 Latin Latin English West0 0 1 Latin Latin German West0 1 0 Latin Latin

-12-ALIGNMENT INSTRUCTIONS4.5.4 TV SET ALIGNMENT(1) G2 ALIGNMENT- Tune a colour bar pattern.- Fine the “G2-SCREEN” item in service mode.- Adjust scree

-13-ALIGNMENT INSTRUCTIONSHOR WIDTHadjust for 90% overscan.PARABOLACORNER B & CORNER TEW TRAPEZ3.7.7 AGC- Make sure option bits are correct for th

-14-ALIGNMENT INSTRUCTIONSRemote controlTV MODEPOWERSOUND MUTENUMBER 0..9TV / AVNORMALRECALLMENUPROGRAM UP (CURSOR UP)VOLUME DOWN (CURSOR LEFT)VOLUME

-15-5. CM-500/F TYPICAL SERVICE DATA

-16-6. ELECTRICAL PARTS LISTZZ100 48B5849C07 TRANSMITTER REMOCON R-49C07 (AAA)ZZ110 PTACPWE135 ACCESSORY AS DTU-29M5ME30 4850Q00910 BATTERY R03/NN200

-17-ELECTRICAL PARTS LISTE007 4856310300 EYE LET BSR T0.2 (R1.6)E008 4856310300 EYE LET BSR T0.2 (R1.6)E009 4856310300 EYE LET BSR T0.2 (R1.6)E010 485

-18-ELECTRICAL PARTS LISTC761 CCXB1H101K C CERA 50V B 100PF K (TAPPING)C765 CEXF1H229V C ELECTRO 50V RSS 2.2MF (5X11) TPC766 CEXF1H229V C ELECTRO 50V

-1-1. SPECIFICATIONS 22. SAFETY INSTRUCTION 33. CIRCUIT BLOCK DIAGRAM 44. ALIGNMENT INSTRUCTIONS 55. CM-500/F TYPICAL SERVICE DATA 156. ELECTRICAL PA

-19-ELECTRICAL PARTS LISTD704 DUZ3R9B—- DIODE ZENER UZ-3.9BD710 D1N4148—- DIODE 1N4148 (TAPPING)D750 DUZ9R1BM— DIODE ZENER UZ-9.1BM D802 DLT2A05G— DIO

-20-ELECTRICAL PARTS LISTJ747 85801060GY WIRE COPPER 1/0.6 TIN COATINGJ748 85801060GY WIRE COPPER 1/0.6 TIN COATINGJ749 85801060GY WIRE COPPER 1/0.6 T

-21-ELECTRICAL PARTS LISTR102 RD-AZ473J- R CARBON FILM 1/6 47K OHM JR103 RD-AZ100J- R CARBON FILM 1/6 10 OHM JR105 RD-2Z512J- R CARBON FILM 1/2 5.1K O

-22-ELECTRICAL PARTS LISTRV11 RD-AZ470J- R CARBON FILM 1/6 47 OHM JRV12 RD-AZ682J- R CARBON FILM 1/6 6.8K OHM JRV13 RD-AZ113J- R CARBON FILM 1/6 11K O

-23-ELECTRICAL PARTS LISTJS02 85801060GY WIRE COPPER 1/0.6 TIN COATINGJS03 85801060GY WIRE COPPER 1/0.6 TIN COATINGLA01 5CPZ100K04 COIL PEAKING 10UH 1

-24-7. EACH MODEL PARTS LISTLOC PART NAME NORMAL FLATA001 PCB MAIN 4859810993 4859811493C313 C MYLAR 100V 0.047MF J (TP) 100V 0.056MF J (TP)C314 C MYL

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-2-1. SPECIFICATIONSItems Model DTU-29M5ME/MP/MT/MZDTU-29M6ME/MP/MT/MZDTU-29M7ME/MP/MT/MZDTU-29U1ME/MP/MT/MZDTU-29U5ME/MP/MT/MZDTU-29U8ME/MP/MT/MZDTU-

-29-DTU-29M5

-30-DTU-29M6

-31-DTU-29M7

-32-DTU-29U1

-33-12346 7891011 1213142119205161715184856716000SPRING4854864601BUTTON POWER1 SWPA PIE0.51 HIPS GYDEVELOPMENT DWGDTU-29U5485009KU01.09.26492130010048

-34-CM-500F4858311110DTU-29U8485964536012W 8Ω SP-58126FDTU-29U8

-35-DTU-29F1CM-500F4859845360 CPT A68AKY13XCM-500FCM-500FDTU-29F1

-36-DTU-29F2CM-500F4859845360 CPT A68AKY13XCM-500FDTU-29F2

-37-DTU-29F3CM-500F4859845360 CPT A68AKY13XCM-500FCM-500FDTU-29F3

-38-11. IC DESCRIPTION 1. UOC III IC DESCRIPTION1.1 UOC III SeriesThe UOC III series combines the functions of a Video Signal Processor (VSP) together

-3-2 SAFETY INSTRUCTION2 SAFETY INSTRUCTIONNOTE : BEFORE SERVICING THIS CHASSIS READ THE “X-RAY RADIATION PRECAUTIONS”,“SAFETY PRECAUTIONS” AND “PRODU

-39-IC DESCRIPTION

-40-IC DESCRIPTION 1.3 PINNINGQFP 90pinSymbol Short Description1 VSSC Ground2 INT0/P0.5 “external interrupt 0 or port 0.5(4mA current sinkingcapabilit

-41-IC DESCRIPTION QFP 90pinSymbol Short Description34 SIFIN2/DVBIN2(2) SIF input 2/ DVB input 235 AGCOUT tuner AGC output36 “QSSO/AMOUT/AUDEEM(2)”“QS

-42-IC DESCRIPTION QFP 90pinSymbol Short Description66 YOUT Y-output (for YUV interface)67 INSSW3 3rd RGB/ YPBPR insertion input68 R/PRIN3 3rd R input

-43-IC DESCRIPTION 1.4 FEATURESAnalogue Video Processing (all versions)· Multi-standard vision IF circuit with alignment-free PLL demodulator· Interna

-44-IC DESCRIPTION windows in parallel.· Linear and non-linear horizontal scaling of the video signal to be displayed.Sound Demodulation (all versions

-45-IC DESCRIPTION · Five channel processing for Main Left and Right, Subwoofer, Centre and Surround. To exploit thisfeature an external DAC is requir

-46-IC DESCRIPTION · PWM (6-bits) outputs for analogue control functions· Remote Control Pre-processor (RCP)· Universal Asynchronous Receiver Transmit

-47-IC DESCRIPTION 2. LA42152 15W 2-CHANNEL AF POWER AMPLIFIER2.1 Functions- Po 15W x 2ch(Vcc = 16.5V, RL = 8 , THD = 10%)- Built - in Standby functio

-48-IC DESCRIPTION 3. TDA8358J VERTICAL AMPLIFIERThe TDA8358J are power circuit for use in 90° and 110° colour deflection systems for fieldfrequencies

-4-3.CIRCUIT BLOCK DIAGRAM

-49-IC DESCRIPTION Pin Symbol Description 1 INA Positeve vertical input 2 INB Negative vertical input 3 VP Supply voltage 4 OUTB Vertical

-50-IC DESCRIPTION 4 TDA6107AJFThe TDA6107AJF includes three video output amplifiers and is intended to drive the threecathodes of a colour CRT direct

-51-IC DESCRIPTION 5. 24WC16 - 16 KB EEPROM5.1 Features :- 16 Kbit serial I2C bus EEPROM- 400KHz I2C Bus Compatible- supply voltage : 1.8 V to 6.0 V-

-52-IC DESCRIPTION 6 STR - W67566.1 GENERAL DESCRIPTIONThe STR-W6756 is an hybrid IC with a build-in MOSFET (Switching regulators) and control IC,desi

-53-IC DESCRIPTION Terminal No. Symbols Descriptions Functions1 D Drain terminal MOSFET drain3 S/GND Source/Ground terminal MOSFET Source/Ground4 Vcc

-54-IC DESCRIPTION Parameter Terminal SymbolRatingsUnitsMIN TYP MAXPower Supply Start-up OperationOperation start voltage 4 - 3 Vcc(ON) 16.3 18.2 19.9

-55-IC DESCRIPTION 7 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR7.1 Vision IF amplifierThe vision IF amplifier can demodulate signals with positive and

-56-IC DESCRIPTION applied to obtain sufficient selectivity (the sound input can be activated by means of the settingof CMB2-CMB0 bits in subaddress 4

-57-IC DESCRIPTION The Ics have 3 inputs for external CVBS signals. All CVBS inputs can be used as Y input for theinsertion of Y/C signals.However, th

-58-IC DESCRIPTION available on one of the other CVBS inputs.In this condition the connections between the visionIF amplifier and the synchronisation

-5-4. ALIGNMENT INSTRUCTIONSDOCUMENT HISTORYVERSION DATE COMMENTSV0.00 26/10/04Document imported from project Cp520(Author J.D.Santos)V1.00 12/11/04 M

-59-IC DESCRIPTION The circuit contains the following picture improvement features:> Peaking control circuit. The peaking function can be activated

-60-IC DESCRIPTION The base-band delay line is integrated. In devices without CVBS comb filter this delay line isalso active during NTSC to obtain a g

-61-IC DESCRIPTION 8 GENERAL DESCRIPTION OF THE TV SOUND OF SOUND PROCESSORThe TV Sound Processor is a digital TV sound processor for analog multi-cha

-62-IC DESCRIPTION [Table] Identification for A2 systems

-63-IC DESCRIPTION The tuner receives a RF signal and converts it to IF. Via appropriate SAW filters the SIF signalis delivered to the QSS stage of th

-64-IC DESCRIPTION The SSIF signal is applied to the SSIF ADC for conversion and is then fed to the DEMDEChardware processing mainly for demodulation

-65-IC DESCRIPTION 9.3 Demodulator and decoderINTRODUCTIONThe TV sound processor provides an easy-to-use programming interface and built-inintelligenc

-66-IC DESCRIPTION A matrix performs the de-matrixing of the A2 stereo, dual and mono signals to obtain the left (L)and right (R) or language A and B

-67-IC DESCRIPTION NICAM AUTO-MUTEIf the Auto Standard Detection (ASD) or the Static Standard Detection (SSS) feature isactivated the following auto m

-68-12. TROUBLE SHOOTING CHARTS1. NO RASTERCHECK MAINB+(130V/133V:Flat Model)CHECK VOLTAGEOF C850295VDC AT 230VCHECK HEATER VOLTAGEVIDEO B+(189V) LINE

-6-ALIGNMENT INSTRUCTIONS4.1MICROCONTROLLER CONFIGURATION : SERVICE MODETo switch the TV set into service mode please see instruction below.1 - Select

-69-TROUBLE SHOOTING CHARTSCHECK SIGNAL AT PIN1 OF Z701CHANGE INPUT MODERF --> AV --> RFCHECK SIGNAL AT PIN83, 84, 85 OF I701CHECK VOLTAGE AT PI

-70-TROUBLE SHOOTING CHARTSCHECK SIGNAL AT28,29 PIN OF I701CHANGE THE SYSTEMPAL ---> SECAMCHECK/REPLACEIF OF TUNERCHECK/REPLACEZ701, Z702CHECK R,G,

-71-TROUBLE SHOOTING CHARTS4. NO PICTURECHECK28,29 OF I701CHANGE INPUT MODERF --> AV --> RFCHECK SIGNAL OUT AT R,G,B OF I701CHECK189V Line Heate

-72-TROUBLE SHOOTING CHARTSCHECKDY CONNECTORCHECK INPUTVOLTAGE OF I301CHECK/REPLACED410, D30146V LINE, 16V LINECHECK76,77 PIN OF I701CHECK/.REPLACEI70

-73-TROUBLE SHOOTING CHARTSCHECK SIGNAL AT PIN8,9,11,12, OF I601CHECK SIGNAL AT PIN2,4 OF I601CHECK SIGNAL AT PIN57,58, I701NORMALNORMALNORMALNORMALNO

-74-TROUBLE SHOOTING CHARTS7. NO EXTERNAL AV(RF OK)CHECK CONNECTIONOF AV1,AV2,DVD1,DVD2CHECK SIGNAL AT PIN49,52,55,68,69,70 OF I701CHECK SIGNAL AT PIN

-75-TROUBLE SHOOTING CHARTS8. REMOTE CONTROL UNIT TROUBLECHECK BATTERY ANDLED OF REMOCONCHECK IR OF PREAMP AND VCC OF PREAMP IC(IF01)CHECK / REPLACE2’

DAEWOO ELECTRONICS CORP.PRINTED DATE :686, AHYEON-DONG, MAPO-GU,SEOUL, KOREA.C.P.O. BOX 8003 SEOUL KOREAJULY. 2005

-7-ALIGNMENT INSTRUCTIONS4.3.1 OPTION1B7 B6 B5 B4 B3 B2 B1 B0 10TOPTeletextOFFFASTEXT(FLOF)OFFTUBE4:3DolbyVirtualOFFTeletext ONTUNER OPTI

-8-ALIGNMENT INSTRUCTIONS4.4 USER GUIDE4.4.1 ENTERING FACTORY MODETo switch the TV set into FACTORY mode, use the factory remote control, and press on