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DAEWOO ELECTRONICS DTD-21H9 Service Manual

Color television chassis: cp-093f
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Service Manual
COLOR TELEVISION
CHASSIS : CP-093F
MODEL : DTD-21H9
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 Corp.
http : //svc.dwe.co.kr
SM No :TCP093FEF0
Jan. 2005

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Summary of Contents for DAEWOO ELECTRONICS DTD-21H9

  • Page 1 SM No :TCP093FEF0 Service Manual COLOR TELEVISION CHASSIS : CP-093F MODEL : DTD-21H9 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)

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com CP-093F Service Manual CONTENTS 1. MAIN FEATURES 1.1 SPECIFICATIONS 1.1.1 GENERAL 1.1.2 EURO-SCART 1(21Pin) 1.1.3 CHANNEL/FREQUENCY TABLE 2. SAFETY INSTRUCTION 3. ALIGNMENT INSTRUCTIONS 3.1 MICROCONTROLLER CONFIGURATION:SERVICE MODE 3.2 SERVICE MODE NADVIGATION 3.3 MICROCONTROLLER CONFIGURATION:OPTION BITS 3.4 OPTION 1 3.5 OPTION 2 3.6 NVM default setting...

  • Page 3: Main Features

    All manuals and user guides at all-guides.com CP-093F Service Manual 1. MAIN FEATURES 1.1 SPECIFICATIONS 1.1.1 GENERAL TV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L’ Colour system Tuner PAL, SECAM PAL, SECAM, PAL 60, NTSC M, NTSC 4.43 Sound system NICAM B/G, I, D/K, L, FM 2Carrier B/G, D/K...

  • Page 4: Euro-Scart 1(21Pin)

    All manuals and user guides at all-guides.com CP-093F Service Manual 1.1.2 EURO-SCART 1 (21 Pin) Signal Description Matching value Audio Output Right 0.5 Vrms, Impedance < 1 kΩ, ( RF 54% Mod ) Audio Input Right 0.5 Vrms, Impedance > 10 kΩ Audio Output Left 0.5 Vrms, Impedance <...

  • Page 5: Channel/Frequency Table

    All manuals and user guides at all-guides.com CP-093F Service Manual 1.2 CHANNEL/FREQUENCY TABLE CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT 46.25 45.75 49.75 48.25 55.75 (L') 53.75 59.25 55.25 60.5 (L') 61.75 77.25 62.25 63.75 (L') 175.25 85.25 175.25 176.00 183.25 93.25 182.25...
  • Page 6 All manuals and user guides at all-guides.com CP-093/F Service Manual 671.25 671.25 671.25 671.25 679.25 679.25 679.25 679.25 687.25 687.25 687.25 687.25 695.25 695.25 695.25 695.25 703.25 703.25 703.25 703.25 711.25 711.25 711.25 711.25 719.25 719.25 719.25 719.25 727.25 727.25 727.25 727.25 735.25...
  • Page 7 All manuals and user guides at all-guides.com CP-093F Service Manual 280.25 136.00 295.25 280.25 287.25 160.00 303.25 287.25 294.25 294.25 303.25 303.25 303.25 311.25 311.25 311.25 311.25 319.25 319.25 319.25 319.25 327.25 327.25 327.25 327.25 335.25 335.25 335.25 335.25 343.25 343.25 343.25 343.25...

  • Page 8: Safety Instruction

    All manuals and user guides at all-guides.com CP-093F Service Manual 2. SAFETY INSTRUCTION WARNING: Only competent service personnel may carry out work involving the testing or repair of this equipment. X-RAY RADIATION PRECAUTION Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must not exceed the specified limit.

  • Page 9: Alignment Instructions

    All manuals and user guides at all-guides.com CP-093F Service Manual 3. ALIGNMENT INSTRUCTIONS 3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODE To switch the TV set into service mode please see instruction below. 1 - Select PR. number 91 2 - Adjust sharpness to minimum and exit all menus. 3 –...
  • Page 10 All manuals and user guides at all-guides.com CP-093F Service Manual 3.4 OPTION 1 FASTEXT VAI bit set Dolby TUNER OPTIONS TUBE SVHS3 Teletext (FLOF) to 1 in Virtual disable 00 = Philips SECAM L 01 = Not used VAI bit set Dolby 10 = Alps FASTEXT...

  • Page 11: Nvm Default Setting

    All manuals and user guides at all-guides.com CP-093F Service Manual 3.6 NVM default setting The purpose of this message, when you change a virgin EEPROM, is to allow to modify the NVM DATA to desired values. 1 - Introduction : The NVM default values are fixed for the user, but for flexibility in service, these data are stored in NVM and can be changed when the TV set is in a special mode call "NVM EDITOR".
  • Page 12 All manuals and user guides at all-guides.com CP-093F Service Manual NVM DATA CHANGE LIST (hex) No Register Name Address Default 14H9 21H9 OCP_THRESHOLD 0x58F 0x91 <- <- DCXO 0x590 0x4E <- <- AVLLEV 0x621 <- <- TELETEXT - Brightness 0x642 0x19 <- <-...

  • Page 13: Tv Set Alignment

    All manuals and user guides at all-guides.com CP-093F Service Manual 4. TV SET ALIGNMENT 4.1 G2 ALIGNMENT - Tune a colour bar pattern. - Find the “G2 – SCREEN” item in service mode. - Adjust screen volume (on FBT) to bring the cursor to central position(Green). 4.2 WHITE BALANCE - Select a dark picture and adjust RED BIAS and GRN BIAS to the desired colour temperature.

  • Page 14: Agc

    All manuals and user guides at all-guides.com CP-093F Service Manual HOR WIDTH adjust for 93% overscan. PARABOLA CORNER B & CORNER T EW TRAPEZ 4.7 AGC - Make sure option bits are correct for the tuner fitted on the chassis (See above how to change option bits).

  • Page 15: Ic Description

    All manuals and user guides at all-guides.com CP-093F Service Manual - Alternatively, use “Vol Up/Dwn” keys to adjust manually to the desired Tuner Take Over Point (TOP). 5. IC DESCRIPTION 5.1 UOC Series The UOC series combines the functions of a Video Signal Processor (VSP) together with a FLASH embedded TEXT/Control/Graphics µ-Controller (TCG µ-Controller) and US Closed Caption decoder.

  • Page 16: Block Diagram

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.1.2. BLOCK DIAGRAM...

  • Page 17: Pinning

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.1.3. PINNING QFP 128pin Symbol Short Description P1.5/TX Port 1.5 or UART bus P1.4/RX port 1.4 or UART bus P1.2/INT2 port 1.2 or external interrupt 2 VSSC3 Ground VDDC3 digital supply to core (1.8V) P2.5/PWM4 port 2.5 or PWM4 output P2.4/PWM3...
  • Page 18 All manuals and user guides at all-guides.com CP-093F Service Manual Red output BLKIN black current input BCLIN beam current limiter input 3rd supply for TV processor GND3 ground 3 for TV-processor B/PBIN3 3rd B input / PB input G/YIN3 3rd G input / Y input R/PRIN3 3rd R input / PR input INSSW3...
  • Page 19 All manuals and user guides at all-guides.com CP-093F Service Manual AGC sound IF / internal-external AGC for DVB SIFAGC/DVBAGC (2) applications PLLIF IF-PLL loop filter GND2 ground 2 for TV processor QSSO/AMOUT/AUDEE QSS intercarrier output / AM output / deemphasis M (2) (front-end audio out) DECSDEM...

  • Page 20: Features

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.1.4 FEATURES Analogue Video Processing (all versions) · Multi-standard vision IF circuit with alignment-free PLL demodulator · Internal (switchable) time-constant for the IF-AGC circuit · Switchable group delay correction and sound trap (with switchable centre frequency) for the demodulated CVBS signal ·...
  • Page 21 All manuals and user guides at all-guides.com CP-093F Service Manual windows in parallel. · Linear and non-linear horizontal scaling of the video signal to be displayed. Sound Demodulation (all versions) · Separate SIF (Sound IF) input for single reference QSS (Quasi Split Sound) demodulation. ·...
  • Page 22 All manuals and user guides at all-guides.com CP-093F Service Manual · FM overmodulation adaptation option to avoid clipping and distortion Audio Multi Channel Decoder (stereo versions with Audio DSP) · Dolby® Pro Logic® (DPL) (1) · Five channel processing for Main Left and Right, Subwoofer, Centre and Surround. To exploit this feature an external DAC is required.

  • Page 23: Tda8944J Stereo Audio Amplifier

    All manuals and user guides at all-guides.com CP-093F Service Manual · 5 PWM (6-bits) outputs for analogue control functions · Remote Control Pre-processor (RCP) · Universal Asynchronous Receiver Transmitter (UART) Data Capture · Text memory up to 10 pages · Inventory of transmitted Teletext pages stored in the Transmitted Page Table (TPT) and Subtitle Page Table (SPT) ·...

  • Page 24: Features

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.2.1 FEATURES § Few external components § Fixed gain § Standby and mute mode § No on/off switching pop noise. § Low standby current § High supply voltage ripple rejection §...
  • Page 25 All manuals and user guides at all-guides.com CP-093F Service Manual Block diagram TDA8946J...

  • Page 26: Tda8357J Vertical Amplifier

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.3 TDA8357J VERTICAL AMPLIFIER The TDA8357J are power circuit for use in 90° and 110° colour deflection systems for field frequencies of 25 to 200Hz field frequencies, and for 4:3 and 16/9 picture tubes. The IC contains a vertical deflection output circuit, operating as a high efficiency class G system.
  • Page 27 All manuals and user guides at all-guides.com CP-093F Service Manual Full bridge vertical deflection output circuit TDA8357J in LVDMOS BLOCK DIAGRAM V FB GUARD handbook, full pagewidth GUARD CIRCUIT V i(p-p) OUTA V I(bias) INPUT FEEDB FEEDBACK V i(p-p) CIRCUIT V I(bias) OUTB TDA8357J...
  • Page 28 All manuals and user guides at all-guides.com CP-093F Service Manual Full bridge vertical deflection output circuit TDA8357J in LVDMOS book, full pagewidth...

  • Page 29: Tda6107Aje

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.4 TDA6107AJF The TDA6107AJF includes three video output amplifiers and is intended to drive the three cathodes of a colour CRT directly. The device is contained in a plastic DIL-bent-SIL 9-pin medium power(DBS9MPF) package, and uses high-voltage DMOS technology.

  • Page 30: 24Wc16-16Kb Eeprom

    All manuals and user guides at all-guides.com CP-093F Service Manual Block diagram TDA6107AJF 5.5 24WC16 - 16 KB EEPROM Features : § 16 Kbit serial I2C bus EEPROM § 400KHz I2C Bus Compatible § supply voltage : 1.8 V to 6.0 V §...

  • Page 31: Functions Of Each Terminal

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.6 STR-W6753/4 5.6.1 Functions of Each Terminal 5.6.2 Block Diagram(Connection diagram)
  • Page 32 All manuals and user guides at all-guides.com CP-093F Service Manual...
  • Page 33 All manuals and user guides at all-guides.com CP-093F Service Manual...

  • Page 34: Control Part - Electrical Characteristics

    All manuals and user guides at all-guides.com CP-093F Service Manual 5.6.3 CONTROL PART - ELECTRICAL CHARACTERISTICS IC PIN RATING DESCRIPTION NUMBER SYMBOL MIN. TYPE UNIT Operation start voltage (on) 16.3 18.2 19.9 Operation stop voltage (off) 10.6 Circuit current in operation (on) µA Circ.

  • Page 35: Specifications

    All manuals and user guides at all-guides.com CP-093F Service Manual 6 SPECIFICATIONS 6.1 FEATURES MULTI SYSTEM(PAL/NTSC) DVD Type: DVD/DVD+RW/DVD-RW/DVD-R CD Type: CD/CD-R/CD-RW Video Format: DVD/VCD/SVCD/JPEG/MPG/Mini DVD Audio Format: CDDA/MP3 Disc size: 8cm/12cm Minimum S/N Ratio on Video : 60dB 6.2 DVD CONVENIENCE STEP FORWARD at PAUSE: FRAME BY FRAME except reverse Fast Forward/Fast Reverse DVD : x2, x4, x8, x32 Fast Forward/Fast Reverse VCD: x2, x4, x8...
  • Page 36 All manuals and user guides at all-guides.com CP-093F Service Manual 6.3 DVD-TV CONNECTION . 6.3.1 PD01 No of PIN DISCRIPTION DVD B DVD R DVD G DVD CVBS Host Acknowledge Host Data In DVD 3.3VZ DVD 3.3V DVD 1.8V DVD 5V DVD 5V DVD 12V 6.3.2 PD02...
  • Page 37 All manuals and user guides at all-guides.com CP-093F Service Manual 6.4 TIP A. Not display blue Logo Picture.(or Not turning ) --> a.Check DVD 3.3V at PD01 # 11,12 TV side pulling out connector. : DVD 3.3V is 3.25V ~ 3.45V : Check DVD 5V,12V,1.8V.

  • Page 38: Service Parts List

    All manuals and user guides at all-guides.com Service part list DDT-21H9ZTF LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK ZZ100 48B5552C03 TRANSMITTER REMOCON R-52C03 (AAA) 00001 1STRW6754- IC POWER STR-W6754 ZZ110 PTACPWE102 ACCESSORY AS DDT-21H9ZTF 0000A 4857024600...
  • Page 39 All manuals and user guides at all-guides.com Service part list LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK Y801 5SC0101339 SW RELAY SDT-S-105LMR QCD42 T2SC2412KB TR CHIP 2SC2412K-T146-BR Z101 5PK3953M— FILTER SAW K3953M RC103 HRFT123JBA R CHIP 1/10 12K OHM J 1608...
  • Page 40 All manuals and user guides at all-guides.com Service part list LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK RCD05 HRFT103JBA R CHIP 1/10 10K OHM J 1608 4856310300 EYE LET BSR T0.2 (R1.6) RCD06 HRFT113JBA R CHIP 1/10 11K OHM J 1608...
  • Page 41 All manuals and user guides at all-guides.com Service part list LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK C549 CMXL1J474J C MYLAR 63V MEU 0.47MF J SW02 5S50101Z90 SW TACT THVV502GDA C552 CMXL1J474J C MYLAR 63V MEU 0.47MF J SW03 5S50101Z90...
  • Page 42 All manuals and user guides at all-guides.com Service part list LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK D807 D1N4148—- DIODE 1N4148 (TAPPING) J042 RD-AZ472J- R CARBON FILM 1/6 4.7K OHM J D808 DUZ6R2BM— DIODE ZENER UZ-6.2BM J043...
  • Page 43 All manuals and user guides at all-guides.com Service part list LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK J112 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING L518 5CPZ479K02 COIL PEAKING 4.7UH K (AXIAL 3.5MM) J113 85801065GY WIRE COPPER...
  • Page 44 All manuals and user guides at all-guides.com Service part list LOC PART CODE PART NAME DESCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK R586 RD-AZ101J- R CARBON FILM 1/6 100 OHM J RA05 RD-AZ103J- R CARBON FILM 1/6 10K OHM J R587 RD-AZ101J- R CARBON FILM...

  • Page 45: Exploded View

    All manuals and user guides at all-guides.com 8. EXPLODED VIEW CP-093/F Service Manual 8.2 DTD-21H9...

  • Page 46: Schematic Diagram

    All manuals and user guides at all-guides.com 9. Schematic Diagram CP-093/F Service Manual...

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