Daewoo DUB-2850 Manuel de service

Service Manual Caution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if you nee

CP-780 Service Manual-10-3.6 NVM default settingThe purpose of this message, when you change a virgin EEPROM, is to allow to modify theNVM DATA to des

CP-780 Service Manual-11-NVM DATA CHANGE LIST(hex) CP-780No Register Name Address Default DUB-2850GB1 OCP_THRESHOLD 0x58F 0x91 <-2 DCXO 0x590 0x4E

-12-CP-780 Service Manual3.7 TV SET ALIGNMENT3.7.1 G2 ALIGNMENT- Tune a colour bar pattern.- Find the G2 - SCREEN item in service mode.- Adjust screen

-13-CP-780 Service Manual3.8 OAD (Over Air Download)3.8.1 Concept of OAD OAD is the function for updating software of IDTV(Integrated Digital TV) or D

-14-4.1.1 IC MARKING AND VERSIONChassis IC marking OSD languages ATSS countries Text CP-780ENGLISH, WELSH Australia,, Belgium,GEALICSwitzerland, Czech

-15-CP-780 Service Manual4.1.2 BLOCK DIAGRAM

-16-CP-780 Service Manual4.1.3. PINNING QFP 128pin Symbol Short Description1 VSSP2 Ground2 VSSC4 Ground3 VDDC4 digital supply to SDACs (1.8V)4 VDDA3(3

-17-CP-780 Service ManualQFP 128pin Symbol Short Description39QSSO/AMOUT/AUDEEM (2)QSS intercarrier output / AM output /deemphasis (front-end audio ou

CP-780 Service Manual-18-QFP 128pin Symbol Short Description73 YSYNC Y-input for sync separator74 YOUT Y-output (for YUV interface)75 UOUT(INSSW2) U-o

CP-780 Service Manual-19-QFP 128pin Symbol Short Description115 P3.0/ADC0 port 3.0 or ADC0 input116 P3.1/ADC1 port 3.1 or ADC1 input117 VDDC1 digital

CP-780 Service Manual-2-CONTENTS1 MAIN FEATURES 31.1 SPECIFICATIONS 31.2 CHANNEL/FREQUENCY TABLE 52 SAFETY INSTRUCTION 73 ALIGNMENT INSTRUCTIONS 83.

CP-780 Service Manual-20-Tint control for external RGB/YPBPR signalsScan Velocity Modulation output. The SVM circuit is active for all the incoming CV

CP-780 Service Manual-21-Digital output crossbar for exchange of channel processing functionalityDigital audio input interface (stereo I2S input inter

CP-780 Service Manual-22-Dynamic Virtual Bass (DVB) (3)BBE Sound processing (4)Graphic equalizerProcessed or non processed subwooferProgrammable beepe

CP-780 Service Manual-23-Subtitle Page Table (SPT)Data Capture for US Closed CaptionData Capture for 525/625 line WST, VPS (PDC system A) and Wide Scr

-24-CP-780 Service Manual4.2 TDA8946J STEREO AUDIO AMPLIFIERThe TDA8946J is a dual-channel audio power amplifier with an output power of 2x15W at an 8

-25-CP-780 Service ManualBlock diagram TDA8946J

-26-CP-780 Service Manual4.3 TDA8358J VERTICAL AMPLIFIERThe TDA8358J are power circuit for use in 90and 110 colour deflection systems for fieldfrequen

-27-CP-780 Service ManualPinningPin Symbol Description1 INA Positeve vertical input2 INB Negative vertical input3 VP Supply voltage4 OUTB Vertical out

-28-CP-780 Service Manual4.4 TDA6108AJF4.4.1 Features-Typical bandwidth of 9.0MHz for an output signal of 60V (p-p)-High slew rate of 1310V/us up

-29-CP-780 Service Manual4.5 24WC16 - 16 KB EEPROMFeatures :* 16 Kbit serial I2C bus EEPROM* 400KHz I2C Bus Compatible* supply voltage : 1.8 V to 6

CP-780 Service Manual-3-DOCUMENT HISTORYVERSION DATE COMMENTSV1.00 22/10/05 Creation of document (Author BD MIN) for project CP-780 50Hz iDTV.1 MAIN F

-30-CP-780 Service Manual4.6 STR - W67544.6.1 GENERAL DESCRIPTIONThe STR-W6754 is an hybrid IC with a build-in MOSFET and control IC, designed for f

-31-CP-780 Service Manual4.6.4 PIN DESCRIPTIONTerminal No. SYMBOL DESCRIPTION1 D Drain terminal3 S/GND Source/ Ground terminal4 VCC Power supply te

-32-CP-780 Service Manual4.7 pnx831x4.7.1 pin list by numbers# NAME # NAME # NAME # NAME1 TMS 53 MIU_DATA[7] 105 MIU_ADDR[24] 157 AVDD_PLL2 TRST 54 M

-33-CP-780 Service Manual4.7.2 FeaturesGeneral features-Targeted to provide a low cost solution for Set Top Box technology-Comprehensive driver soft

-34-CP-780 Service ManualI2C bus modes.-Two smart-card reader interfaces sharing the same UART ISO-7816 compatible.-One Integrated Conditional Access

-35-CP-780 Service Manual4.8.2 FeaturesGeneral-1.8 to 3.6V power supply voltage-Integrated digital filter plus DAC-Automatic system clock versus sampl

-36-CP-780 Service Manual-High speed capabilityUp to 20Mbits/s on command interfaceUp to 100Mbits/s on Transport Stream-Polling and interrupt modes-Ho

-37-CP-780 Service Manual4.9.2 Pinning

-38-CP-780 Service Manual4.10 M29W320ET (Flash Memory)4.10.1 Features-SUPPLY VOLTAGEVcc = 2.7V to 3.6V for Program, Erase and ReadVpp = 12V for Fast

-39-CP-780 Service Manual4.11 K4S281632D (SDRAM)4.11.1 Features-JEDEC standard 3.3V power supply-LVTTL compatible with multiplexed address-Four banks

CP-780 Service Manual-4-1.1.3 EURO-SCART 2 (21Pin)

-40-CP-780 Service Manual5 CIRCUIT DESCRIPTION5.1 BLOCK DIAGRAM

-41-CP-780 Service Manual5.2 FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR5.2.1 Vision IF amplifierThe vision IF amplifier can demodulate signals with pos

-42-CP-780 Service ManualThe nominal frequency of the demodulator is tuned to the required frequency (4.5/5.5/6.0/6.5MHz) by means of a calibration ci

-43-CP-780 Service Manual5.2.5 CVBS and Y/C input signal selection5.2.5.1 ALL VERSIONSThe ICs have 3 inputs for external CVBS signals. All CVBS inputs

-44-CP-780 Service Manualis obtained when the VID bit is set to 0 . When the VID bit is 1 the mode of the first controlloop can be switched by means

-45-CP-780 Service Manual5.2.8 Chroma, luminance and feature processingSome versions contain a 4H/2H(2D) adaptive PAL/NTSC comb filter. The comb filt

-46-CP-780 Service Manual5.2.9 Colour decoderThe ICs decode PAL, NTSC and SECAM signals. The PAL/NTSC decoder does not needexternal reference crystals

-47-CP-780 Service Manualsignals and nominal settings of the various controls.To obtain an accurate biasing of the picture tube the Continuous Cathode

-48-CP-780 Service Manualwindow(WBC-bit) or below or above this window (HBC-bit). This indication can be read from thestatus byte 01 and can be used f

-49-CP-780 Service ManualCorrect operation is not guaranteed if registers in the range $FB to $FF will be addressed!Read registersThe output registers

CP-780 Service Manual-5-CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRTC01 46.25 - 45.75 49.75C02 48.25 55.75 (L ) 53.75 59.25C03 55.25 60.

-50-CP-780 Service Manual* M/BTSC and N standards supported* M/Japan (EIAJ) supported* FM Radio stereo decoding* Alignment-free, fully digital system*

-51-CP-780 Service Manual2-CARRIERSYSTEMSWITHNICAM[Table] NICAM standardsSC1MODULATIONSTANDARD FREQUENCY TYPE DEVIATION SC2 DE-ROLL-NICAM(MHz) INDEX(%

-52-CP-780 Service ManualThe tuner receives a RF signal and converts it to IF. Via appropriate SAW filters the SIF signalis delivered to the QSS stage

-53-CP-780 Service ManualThe digital controller sound part consists of the SSIFADC, audio ADCs, DEMDEC HW, thesound DSP core, audio DACs and I2S inter

-54-CP-780 Service ManualMIXERThe digitized 2nd SIF input signal is fed to the mixers, which mix one or both input soundcarriers down to zero IF. The

-55-CP-780 Service ManualA timing loop controls the sample rate conversion circuitry to lock the sampling rate to thesymbol timing of the NICAM data.N

-56-CP-780 Service Manual6. SERVICE PART LISTZZ100 48B5552N20 TRANSMITTER REMOCON R-52N20 (AAA)ZZ110 PTACPWG100 ACCESSORY AS DUB-2850DT00010 4850Q0091

-57-CP-780 Service ManualE08 4856310300 EYE LET BSR T0.2 (R1.6)E09 4856310300 EYE LET BSR T0.2 (R1.6)E10 4856310300 EYE LET BSR T0.2 (R1.6)E11 4856310

-58-CP-780 Service ManualD601 D1N4148—- DIODE 1N4148 (TAPPING)D602 D1N4148—- DIODE 1N4148 (TAPPING)D603 D1N4148—- DIODE 1N4148 (TAPPING)D701 DUZ5R6BM—

-59-CP-780 Service ManualR808 RD-4Z182J- R CARBON FILM 1/4 1.8K OHM JR809 RD-4Z102J- R CARBON FILM 1/4 1K OHM JR810 RD-4Z220J- R CARBON FILM 1/4 22 OH

CP-780 Service Manual-6-CHANNEL EUROPE CCIR FRANCE GB(IRELAND) EAST OIRTC59 775.25 775.25 775.25 775.25C60 783.25 783.25 783.25 783.25C61 791.25 791.2

-60-CP-780 Service ManualSW100 5S50101Z90 SW TACT THVV502GDAUD001 4859700550 TUNER DIGITAL TD1316S/IVP (VERT/DIN)X501 5XJ24R576E CRYSTAL QUARTZ HC-49/

-61-CP-780 Service ManualRCE73 HRFT470JBA R CHIP 1/10 47 OHM J 1608RCE74 HRFT470JBA R CHIP 1/10 47 OHM J 1608RCE76 HRFT470JBA R CHIP 1/10 47 OHM J 160

-62-CP-780 Service ManualC564 CBZF1H104Z C CERA SEMI 50V F 0.1MF ZC565 CBZF1H104Z C CERA SEMI 50V F 0.1MF ZC566 CBZF1H104Z C CERA SEMI 50V F 0.1MF ZC5

-63-CP-780 Service ManualCCD56 HCFK104ZBA C CHIP CERA 50V Y5V 0.1MF Z 1608CCD57 HCFK104ZBA C CHIP CERA 50V Y5V 0.1MF Z 1608CCD60 HCFK104ZBA C CHIP CER

-64-CP-780 Service ManualRCD60 HRFT102FBA R CHIP 1/10 1K OHM F 1608RCD61 HRFT102FBA R CHIP 1/10 1K OHM F 1608RCD62 HRFT181JBA R CHIP 1/10 180 OHM J 16

657. SCHEMATIC DIAGRAM

66SCHEMATIC DIAGRAM

67SCHEMATIC DIAGRAM

68SCHEMATIC DIAGRAM

69SCHEMATIC DIAGRAM

-7-CP-780 Service Manual2 SAFETY INSTRUCTIONWARNING: Only competent service personnel may carry out work involving the testing or repair of this equip

708. PRINTED CIRCULT BOARD

71PRINTED CIRCULT BOARD

72PRINTED CIRCULT BOARD

73PRINTED CIRCULT BOARD

74PRINTED CIRCULT BOARD

75PRINTED CIRCULT BOARD

76PRINTED CIRCULT BOARD

77PRINTED CIRCULT BOARD

789. EXPLODED VIEW

DAEWOO ELECTRONICS CORP.PRINTED DATE : NOV. 2005686, AHYEON-DONG, MAPO-GU,SEOUL, KOREA.C.P.O. BOX 8003 SEOUL KOREA

-8-CP-780 Service Manual3 ALIGNMENT INSTRUCTIONS3.1 MICROCONTROLLER CONFIGURATION : SERVICE MODETo switch the TV set into service mode please see inst

-9-CP-780 Service Manual3.4OPTION1B7 B6 B5 B4 B3 B2 B1 B0 10TOPTeletextOFFFASTEXT(FLOF)OFFTUBE4:3DolbyVirtualOFFVAI bit setto 1 inSECAM L