Daewoo DUA-3270GB, Service Manual

Page 1: ... 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 Service Manual Digital Television CHASSIS Model CP 770 DUA 3291GB DUA 3270GB P N TCP770FEF0 JAN 2006 ...

Page 2: ...TION 3 2 BLOCK DIAGRAM 4 3 EEPROM PRESETTING DATA 6 4 SERVICE REMOTE CONTROL R 30SVC6 7 5 ADJUSTMENT METHOD 8 6 TROUBLE SHOOTING 10 7 SCHAMETIC DIAGRAM 19 8 PRINTED CIRCUIT BOARD 24 9 MECHANICAL EXPLODED DIAGRAM 29 10 PART LIST 30 ...

Page 3: ... I CH2 CH4 BAND II CH5 CH12 Reception Channel CANLE BAND S1 S3 S1 S20 HYPER BAND S21 S41 UHF BAND IV V CH21 CH69 AERIAL VHF UHF SCART JACK REAR AV1 SVHS1 21pinEUROJACK AUDIOIN OUT VIDEOIN YIN RGBIN TVOUT AV2 21pin EURO JACK AUDIO IN OUT VIDEO IN YC IN MONITOR OUT RCA Jack side AV3 SVHS3 AUDIO IN OUT VIDEO IN S VIDEO IN RCA Jack rear SPDIF AUDIO OUT AUDIO OUT MONITOR OUT CI SLOT rear PCMCIA CARD ...

Page 4: ...4 2 Block Diagram 1 Analog Part ...

Page 5: ...terface Y C R L SPDIF UART Etc GuestBus AMD29LV128 FLASH JTAG K4S561632C SDRAM K4S561632C SDRAM I2c MAX3241 RS 232 transceiver 3 Pin con Rx Tx Rx Tx Gnd I2c TCK TMS TS2 TS1 Input Without CI TS2 Input With CI When UART is connected to PC serial It checks the condition of MDE When Analog Tuner is operating VCTi use the same I2C 74ALVC164245 Buffer 74ALVC164245 Buffer 74ALVC164245 Buffer 2 Digital Pa...

Page 6: ...1229 Top Setting 6 Hor Blanking Stop 200 Video Peaking 0 Upper Corner 50 SIF Reference 2 Lower Corner 45 NVM edit addr hex Upper Corner Sixth 20 NVM edit data hex Lower Corner Sixth 40 PRESET TV SET Screen Red 150 Screen Green 150 Screen Blue 150 Cutoff Red 255 Cutoff Green 255 Cutoff Blue 255 Whitedrv Red 300 Whitedrv Green 300 Whitedrv Blue 300 OSD H Shift 178 OSD H Shift Split Screen 220 OSD V ...

Page 7: ...LT Adjust Increase 27 COLOR TILT Adjust Decrease 28 AV TV AV MODE 29 TXT TV TELETEXT MODE 30 SCREEN SCREEN Adjustment Mode 31 H WIDTH H WIDTH Adjust NARROW 32 H WIDTH H WIDTH Adjust WIDE 33 H CENTER H CENTER Shift LEFT 34 H CENTER H CENTER Shift RIGHT 35 6 R DRV R DRIVE Decrease Increase 37 8 G DRV G DRIVE Decrease Increase 39 0 B DRV B DRIVE Decrease Increase 41 2 R BIAS R Cutoff Decrease Increas...

Page 8: ...TSUKI have to be set exactly to Reference G CHROMA OFF The Reference coordinates HIGH x 288 y 301 Y 100cd m2 LOW x 288 y 301 Y 15cd m2 2 High Beam Adjustment Adjust with R DRV B DRV keys so that only R B bars in the high beam on the instrument may be located in the center G DRIVE is Fixed 3 Low Beam Adjustment Adjust with R BIAS B BIAS keys so that only R B bars in the low beam on the instrument m...

Page 9: ...R TOP BOTTOM Adjustment Adjust with AFT L COR T OPT COR B so that the upper and lower corner s vertical line may be straight Key Description AFT L COR T Upper Corner Adjust OPT COR B Lower Corner Adjust 3 EW TRAPEZ Adjustment Adjust with BAL AGC TRAP SYS so that the vertical line may be straight Key Description BAL AGC Trapez Increase TRAP SYS Trapez Decrease 4 ANGLE BOW Adjustment ANGLE BOW are a...

Page 10: ...1 D804 And D809 D810 LF802 Check Replace F801 Check Stand By Circuit Power On check with Remote controller Check Remote controller And IR Circuit Check Replace Q809 Q810 DP142 And peripheral parts Replace I804 or Check Replace D807 Check Replace R805 T801 Check secondary voltage Output voltage of T801 Next page Replace I801 Replace this parts Check power cord End Abnormal Normal ...

Page 11: ...f I501 Check P902 P904 B Micom_SDA SCL UART_TX RX Boot Option Abnormal B Abnormal Micom_SDA SCL Abnormal UART_TX RX Boot Option Short to GND Check Replace I506 I507 And peripheral parts Check Replace I100 I106 I200 I204 I300 I301 TU300 Check Replace I301 TU300 Check Replace 6 9 of I100 J077 And 61 62 of I501 Check Replace 12 of JP01_2 41 of I100 And 26 of I201 ...

Page 12: ...e Mode Check Signal 16 18 of I501 Check Replace SCL SDA 5V Line of Tuner Check Replace SF01 Check Replace I501 Check Replace ATT Cable Check 6 9 of I901 Check Replace Q502 Q504 And 5V Line Check Replace Q902 Q904 And Voltage Heater Line Check Replace CRT Board ...

Page 13: ...oard Check 119 120 of I100 Check Replace SCL SDA X TAL And B Line of I501 Check Replace Q502 Q504 And 5V Line Check Replace SCL SDA And 5V Line of Tuner Check Replace SCL SDA B Line And XI Reset of I300 Check Replace B Line X TAL Reset And RAMCLK of I100 Check Replace B Line RAMCLK of I101 I102 Check Replace B Line Reset of I103 Check Replace Digital Board Abnormal Normal ...

Page 14: ... Connection Check Signal 50 52 53 56 59 of I501 Check Signal 16 18 of I501 Check 6 8 of I901 Check Replace Q902 Q904 Video Heater voltage Line Check Replace CRT Board Check External equipment Check Replace I501 Check Replace Q502 Q504 And 5V Line Abnormal Normal ...

Page 15: ...Voltage of I301 Check Vertical Drive pulse Vert 2 of I301 Check Vertical Drive Feedback pulse Vert 1 of I301 Check Replace DY Check Replace D407 D408 D313 14V 45V Line Check 4 of I501 Check Replace B X TAL SCL SDA of I501 Check Replace I301 Check Replace C516 C517 R527 R528 R310 R311 R350 R351 Abnormal Normal ...

Page 16: ... S B 5V Aound Mute Line Check 84 85 of I501 Check 72 73 of I501 Check Replace B SCL SDA of Tuner Check Replace SF01 Check Replace I501 Check Replace 5V Input signal of I503 Check 78 79 of I501 Check 76 77 of I501 Check B 106 111 of I100 Check Replace B SCL SDA of TU300 I300 RF Analog RF Digital External AV Check Replace D860 Sound B Line Check Replace I602 Under 1V Over 3V Abnormal Normal ...

Page 17: ...of Preamp And Vcc of Preamp IC01 Check Replace 37 of I501 Replace Battery Check Replace Preamp IC01 Abnormal Normal Check connection of MAIN and DECODER Check voltage of 1 8V line If voltage value is under 1 56V check the regulator I506 Check voltage of CE202 Check Short RC321 6 No Ci Initialization ...

Page 18: ...18 7 No Digital Audio Out LR SPDIF Trouble Shooting Charts Check connection of MAIN and DECODER PCB Check SOUND OUT pin CN300 no 12 13pin LR no 15 pin SPDIF ...

Page 19: ...19 7 Schametic Diagram 1 ALALOG MAIN PART ...

Page 20: ...20 Schametic Diagram 2 POWER PART ...

Page 21: ...21 Schametic Diagram 3 DIGITAL MAIN PART 1 ...

Page 22: ...22 Schametic Diagram 3 DIGITAL MAIN PART 2 ...

Page 23: ...23 Schametic Diagram 3 DIGITAL MAIN PART 3 ...

Page 24: ...24 8 Printed Circuit Board 1 Main PCB ...

Page 25: ...25 Printed Circuit Board 2 Power PCB ...

Page 26: ...26 Printed Circuit Board 3 Digital PCB Top ...

Page 27: ...27 Printed Circuit Board 4 Digital PCB Bottom ...

Page 28: ...28 Printed Circuit Board 5 CRT PCB 6 Union PCB ...

Page 29: ...29 9 Mechanical Exploded Diagram _ p p ª ø L fl T Œx bª Ø L fi Ø p fi Ø 9 p L ...

Page 30: ...110 PTACPWE133 ACCESSORIES AS DUA 3291FLS S M821 4858213801 BAG INSTRUCTION L D P E T0 05X250X400 ZZ100 48B5552N23 TRANSMITTER REMOCON R 52N23 AAA ZZ110 4850Q00910 BATTERY AAA R03 SUPERGARD ROCKET ZZ120 PTBCSHD824 COVER BACK AS DTA 3291FZS S M211 4852164201 COVER BACK 3291 GY778A M541 4955400100 S PLATE P E FILM 91X63 M542 485580002207 LABEL SERIAL ART 90 ZZ130 PTPKCPE133 PACKING AS DUA 3291FLS S ...

Page 31: ...F J 1608 CCA14 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 CCA15 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 CCA16 HCQK331JBA C CHIP CERA 50V CH 330PF J 1608 CCA17 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 CCA18 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 CCA19 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 CCV01 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 CCV02 HCBK472KBA C CHIP CERA 50V X7R 47...

Page 32: ...70PF ZZ200 PTMPJAE133 PCB MAIN AXIAL AS DUA 3291FLS S 10 2TM14006LB TAPE MASKING 3M 232 6 0X2000M 20 2TM10006LB TAPE MASKING 3M 232 MAP C 6 2X2000M A001 4859811193 PCB MAIN CP 770 330X246 D2V C508 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z AXIAL C540 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z AXIAL C556 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z AXIAL C561 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z AXIAL CV03 CCZB1H221K ...

Page 33: ...1 0 6 TIN COATING J130 85801060GY WIRE COPPER 1 0 6 TIN COATING J131 85801060GY WIRE COPPER 1 0 6 TIN COATING J133 85801060GY WIRE COPPER 1 0 6 TIN COATING J134 85801060GY WIRE COPPER 1 0 6 TIN COATING J135 85801060GY WIRE COPPER 1 0 6 TIN COATING J136 85801060GY WIRE COPPER 1 0 6 TIN COATING J137 85801060GY WIRE COPPER 1 0 6 TIN COATING J138 85801060GY WIRE COPPER 1 0 6 TIN COATING J139 85801060G...

Page 34: ...E COPPER 1 0 6 TIN COATING L512 5CPZ479K02 COIL PEAKING 4 7UH 3 5MM K LAL02TB L513 85801060GY WIRE COPPER 1 0 6 TIN COATING L514 5CPZ479K02 COIL PEAKING 4 7UH 3 5MM K LAL02TB L515 85801060GY WIRE COPPER 1 0 6 TIN COATING L516 85801060GY WIRE COPPER 1 0 6 TIN COATING L517 5CPZ100K02 COIL PEAKING 10UH 3 5MM K LAL02TB L518 5CPZ100K02 COIL PEAKING 10UH 3 5MM K LAL02TB L519 85801060GY WIRE COPPER 1 0 6...

Page 35: ... CC358 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC360 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC362 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC364 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC373 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC374 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC380 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC381 HCFK105ZBA C CHIP CERA 50V Y5V 1MF Z 1608 C...

Page 36: ...30 OHM PBY 1608 Q300 T2N7002M B FET CHIP 2N7002MTF SOT 23 60V 0 2A Q301 T2N7002M B FET CHIP 2N7002MTF SOT 23 60V 0 2A QC200 T2SC2412KB TR CHIP 2SC2412KB RA100 HRTS8E330J R CHIP ARRAY 1 16 8P 33 OHM J 3216 RA101 HRTS8E330J R CHIP ARRAY 1 16 8P 33 OHM J 3216 RA102 HRTS8E330J R CHIP ARRAY 1 16 8P 33 OHM J 3216 RA103 HRTS8E330J R CHIP ARRAY 1 16 8P 33 OHM J 3216 RA104 HRTS8E330J R CHIP ARRAY 1 16 8P 3...

Page 37: ...6V RSS 3300MF C840 CEXF1C222V C ELECTRO 16V RSS 2200MF 13X25 TP C861 CEXF1E102C C ELECTRO 25V RUS 1000MF 13X20 TP C866 CCYR3A471K C CERA 1KV 470PF K 125C D403 DBY228 DIODE BY228 D404 DRGP30J DIODE RGP30J D809 DRL4A015 DIODE RL4A 015 308 D810 DRL4A015 DIODE RL4A 015 308 D820 DRGP30J DIODE RGP30J D830 DRGP30J DIODE RGP30J D832 DRGP30J DIODE RGP30J D833 DRGP30J DIODE RGP30J D860 DFMLG12S DIODE FML G1...

Page 38: ...V 0 22MF J C665 CCXB1H472K C CERA 50V B 4700PF K TAPPING C666 CBXF1H104Z C CERA SEMI 50V F 0 1MF Z TAPPING C667 CCXB1H472K C CERA 50V B 4700PF K TAPPING C668 CMXM2A224J C MYLAR 100V 0 22MF J C669 CMXM2A224J C MYLAR 100V 0 22MF J C803 CCXF3A472Z C CERA 1KV F 4700PF Z T C804 CCXF3A472Z C CERA 1KV F 4700PF Z T C807 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP C810 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 T...

Page 39: ...E COPPER 1 0 6 TIN COATING J078 85801060GY WIRE COPPER 1 0 6 TIN COATING J079 85801060GY WIRE COPPER 1 0 6 TIN COATING L350 5MC0000100 COIL BEAD MD 5 HC 3550 L351 5MC0000100 COIL BEAD MD 5 HC 3550 L522 5CPZ109M02 COIL PEAKING 1UH 3 5MM M LAL02TB L650 5MC0000100 COIL BEAD MD 5 HC 3550 L801 5MC0000100 COIL BEAD MD 5 HC 3550 L803 5MC0000100 COIL BEAD MD 5 HC 3550 R310 RN AZ3301F R METAL FILM 1 6 3 3K...

Page 40: ...DAEWOO ELECTRONICS CORP PRINTED DATE JAN 2006 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA ...