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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.

Service Manual

Feb. 2004

S/M No. :DSJ112FEFO

REAR PROJECTION TV
CHASSIS : SJ-112

MODEL : DSJ-4710CRA/5510CRA

DSJ-4720CRA/5520CRA

Содержание DSJ-5510CRA

Страница 1: ...out 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 Service Manual Fe...

Страница 2: ...gram 1 Block Diagram 76 2 Power 77 3 Rear IO 78 4 AV main 79 5 deflection 80 6 Convergence Amp Sound Amp 81 7 Convergence Module 82 8 CRT Amp 83 9 Control side 84 9 PRINTED CIRCUIT BOARD 1 Main PCB 85...

Страница 3: ...of this manual when a part needs to be replaced Because some electronic parts and appliances have safety related features an electric shock file or X RAY radiation can be caused if no equal rated par...

Страница 4: ...voltage cable 1 How to remove a high voltage cable a Make a discharger to discharge a high voltage b Remove the power cord and wait for 30 sec c Remove the anode cable after discharging as the method...

Страница 5: ...erminal for UHF VHF Cable Screen size 139cm 55 119cm 47 16 9 Aspect Ratio Scanning type DTV 1080I 33 75KHz NTSC DVD 480p 31 5KHz 1080I 33 75KHz CRT size 7 Sound system 3D Stereophonic sound NTSC voice...

Страница 6: ...d utilities TV VIDEO Use this function to make video input selection It changes in the following sequence TV VIDEO1 2 3 TV VOLUME Dolby Virtual CHANNEL ADD ERASE This feature either memorizes the curr...

Страница 7: ...igure 1 2 Adjust the slant and position of DY so that the rectangle projections of DY are shown in front of the set Figure 1 Front part of CRT assembly Step 2 Fixation of VM coil 1 Tighten the screw c...

Страница 8: ...he line disappears completely 3 Control Red VR Green VR and Blue VR in the order 4 Fix the VR by lock paint after the control is completed Note This control should be performed in a darkroom Step 2 Co...

Страница 9: ...2 Perform the focus readjustment or correction if the entire screen isn t focused even after the completion of focus control 3 Project R G B signal only by one color using a lens cover and control G...

Страница 10: ...he center of green image at the center of the screen Refer to Figure 1 3 Adjusting the centering magnet of R and B locate R left and B right on the basis of G in the center 4 Fit the horizon in the ce...

Страница 11: ...32 CH with external input 3 2 Select the screen mode as standard 3 Locate the sensor of 3298 system at the center of High Low Beam 4 Execute the projection program of control PC 5 When OSD of OK appe...

Страница 12: ...LIN to control BLUE color accord Measuring unit VG 858 ASTRO Initial data S7 RH LIN 53 BH LIN 127 Step 10 Control of sub brightness Press the S9 key to enter the Sub Brightness control mode Screen mod...

Страница 13: ...am 2 3 Composition of power supply 2 4 Explanation for power supply operation 3 Deflection 3 1 Outline 3 2 Block diagram 3 3 Composition of deflection part 3 4 Explanation for operation 4 Video signal...

Страница 14: ...278 x 1351 7 x 591mm 5520 1110 x 1210 x 532 5mm 4710 1110 x 1210 x 529 5mm 4720 Weight 77 9Kg 55 66 5Kg 47 Antenna input One 75 ohm external input terminal for UHF VHF Cable Screen size 139cm 55 119cm...

Страница 15: ...Block diagram The block diagram of this power is as follows 2 3 Composition of power supply This power supply is formed in Fly back type to provide various powers The design specification of this pow...

Страница 16: ...ND BY power IC I801 and the second TRANS supplies a STAND BY power for U COM 2 Main power start When the U COM supplies a PWR SWITCH ON signal for Q801 base via PA802 connector a positive terminal rel...

Страница 17: ...oltage 4 5 VIN ON 14 4 16 17 6 V Operation stop power voltage 4 5 VIN OFF 9 10 11 V Circuit current at operation 4 5 IIN ON 30 mA Circuit current at non operation4 5 IIN OFF 100 Maximum OFF time TOFF...

Страница 18: ...e is rectified and smoothed via R813 R818 D810 D813 C815 and C822 and approx 15V voltage is supplied for Vin terminal of 6656 Since VIN OFF voltage is set to 10V TYP in 6656 the terminal voltage suppl...

Страница 19: ...cts the Vin terminal of control circuit from overvoltage The normal Vin terminal is supplied from an auxiliary coil of trans and this voltage is proportioned to the output voltage Thus this circuit wo...

Страница 20: ...c of bipolarity can be input l A vertical blanking generating and video clamp generating circuit are included Sand castle output m A vertical waveform of bipolarity is output n A horizontal lock detec...

Страница 21: ...rizontal output voltage is approx 1000V to 1200V and the retrace time is approx 4 0 sec The horizontal output current via the deflection coil is supplied for CS condenser C409 C410 3 Vertical drive pa...

Страница 22: ...mum A D F waveform from 1403 pin32 is amplified approx 100 times in an amplifying circuit composed of OP AMP and a parabola waveform is amplified approx 1000Vp p in an amplifying circuit composed of Q...

Страница 23: ...22 Explanation for circuit operation Explanation for circuit operation...

Страница 24: ...23 Explanation for circuit operation...

Страница 25: ...24 Explanation for circuit operation...

Страница 26: ...25 Explanation for circuit operation...

Страница 27: ...26 Explanation for circuit operation...

Страница 28: ...27 Explanation for circuit operation...

Страница 29: ...ching in a IA01 AV switch and 2 pairs of component input is switching in a IA05 video selector CXA1855Q outputs 4 pairs as switching IC with 5 pairs input and CXA2151Q outputs a YCbCr signal by 4 pair...

Страница 30: ...l ABL ACL gain and start level by contrast brightness sharpness color tint Hue control function and ABL ACL input terminal And it performs black white gradation correction and has a voltage input term...

Страница 31: ...ualizing and balancing The SIF signal that is input to 67 goes through AGC A D demodulation and demphosis block The audio signal detected by FM is demodulated and output For sound output the main L R...

Страница 32: ...ls EEPROM I503 24WC32 which stores the convergence control data by the order of Master U Com The main features of this IC are as follows 1 1 Feature Multiscan NTSC PAL HDTV Progressive Interlace 6ch 1...

Страница 33: ...rential Non Linearity Error 1 LSB Operate on 1H to Over 3H Application Center Voltage Output Same Electrical Characteristics of Center Voltage Output and RH GH BH RV GV BV s Zero Cord Outputs Mute Fun...

Страница 34: ...tputs a video near to Vdd according to gain control voltage when Vdd is 200V The following figure shows the internal block diagram of TDA6111Q Block diagram of TDA6111Q There are two cathode outputs a...

Страница 35: ...heck IC201 input output Input ICD1 Output Y 69 Cb 68 Cr 67 H 66 B 65 IA5 Output Y 5 Cb 4 Cr 3 OSD R G B 50 51 52 BL 49 Output R G B 35 37 39 HS 29 VS 28 Check external input signal Check LA1 output si...

Страница 36: ...Check DC601 DC602 RC602 RC603 LC601 C601 CC601 RC601 L601 C618 CC615 LC602 C602 Check CC607 Check IA01 44 46 sound Check CC120 CC122 CCK2 CCK3 RCK4 RCK5 DCK5 DCK6 DCK7 DCK8 Check CC102CCI04C CK5CCK6...

Страница 37: ...3 DCK24 DCK25 Check I650 L R Input 7 11 L R Output 2 4 8 10 A MUTE 5 Check RC610 RC611 C612 C613 CCK12 CCK13 RCK22 RCK23 DCK26 DCK27 DCK28 DCK29 Check X601 CC605 CC606 When IC601 67 SIF doesn t work c...

Страница 38: ...e signal input in Q402 base Check H driver B voltage in T402 7 Check Q404 collector 135V Check R443 Check IIC bus communication between main assy and I403 Check I403 8 H drive output 5Vp p 0 7Vp p 45V...

Страница 39: ...ND is near 0 horizontal output TR has been destroyed Replace the TR High voltage drive Check F401 10 HVG B 135V Check R445 Check F401 High Voltage Generator font Check F401 7 OVP high voltage control...

Страница 40: ...03 12 vertical SAW waveform Check I403 12 voltage waveform Check I403 5 vertical deflection waveform Check vertical deflection circuit near I301 Check vertical deflection circuit near I403 60Hz 60Hz 6...

Страница 41: ...I801 4 drain voltage waveform If I801 4 2 source impedance is near 0 I801 has been destroyed Replace with a new one Check if PA802 S B voltage is supplied for PW364 assy Check if power LED turns from...

Страница 42: ...normally RLY1 Switch relay works normally Check a part causing 2nd power short Check I802 I803 3 voltage waveform 580VP p 30 50KHz END Replace a part causing short or troubleshoot Replace a part causi...

Страница 43: ...r part is short Replace a part causing an error PA801 135V voltage normal R847 848 normal R823 normal D810 813 normal Check I802 PA803 25V voltage normal R809 normal Replace D813 R813 Check I803 END R...

Страница 44: ...3X12 MFZN M214 4952102600 BRKT SCREEN B SECC 1 2T M214A 7178301211 SCREW TAPTITE TT2 WAS 3X12 MFZN M215 4952102700 BRKT SCREEN S SECC 1 2T M215A 7178301211 SCREW TAPTITE TT2 WAS 3X12 MFZN M261 495260...

Страница 45: ...CABLE NYLON66 DA100 PT13 4950702003 CONNECTOR YFH800 02 YDT236 ULW 1300 PWA2A 4850K01000 CORE FERRITE BNF 18 ZZ310 PTPCSWG003 PANEL CONTROL AS DSJ 5510CRA M231 4952301800 BUTTON POWER ABS M321 4953201...

Страница 46: ...A 50V X7R 0 1MF K 1608 CC506 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC507 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC508 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC509 HCBK104KBA C CHIP CER...

Страница 47: ...504 DMMBD1203B DIODE CHIP MMBD1203 DC507 DMMBD1203B DIODE CHIP MMBD1203 DC508 DMMBD1203B DIODE CHIP MMBD1203 DC509 DMMBD1203B DIODE CHIP MMBD1203 DC510 DMMBD1203B DIODE CHIP MMBD1203 DC511 DMMBD1203B...

Страница 48: ...5K OHM J 1608 RC120 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC121 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC122 HRFT102FBA R CHIP 1 10 1K OHM F 1608 RC123 HRFT112JBA R CHIP 1 10 1 1K OHM J 1608 RC124 HRF...

Страница 49: ...R CHIP 1 10 6 2K OHM F 1608 RC571 HRFT101FBA R CHIP 1 10 100 OHM F 1608 RC572 HRFT561FBA R CHIP 1 10 560 OHM F 1608 RC573 HRFT561FBA R CHIP 1 10 560 OHM F 1608 RC574 HRFT103FBA R CHIP 1 10 10K OHM F...

Страница 50: ...TRO 50V RSM 1MF 4X7 TP C121 CEXF1H100A C ELECTRO 50V RSM 10MF 5X7 TP C122 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP C123 CEXF1H100A C ELECTRO 50V RSM 10MF 5X7 TP C124 CEXF1H100A C ELECTRO 50V RSM 10MF 5...

Страница 51: ...J TAPPING L515 5CPX821J COIL PEAKING 820UH J RADIAL L516 5CPX102J COIL PEAKING PL 1000UH J TAPPING QC101 TKTA1266Y TR KTA1266Y TP SW1 5S50101Z90 SW TACT THVV502GDA SW2 5S50101Z90 SW TACT THVV502GDA SW...

Страница 52: ...RF02Z121J R FUSIBLE 2W 120 OHM J R970 RF02Z121J R FUSIBLE 2W 120 OHM J R971 RF02Z121J R FUSIBLE 2W 120 OHM J ZZ200 PTAPJRG003 PCB AMP RADIAL AS DSJ 5510CRA C650 CEXF1E101C C ELECTRO 25V RUS 100MF 6 3...

Страница 53: ...01065GY WIRE COPPER AWG22 1 0 65 TIN COATING J928 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J929 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J930 85801065GY WIRE COPPER AWG22 1 0 65 TIN COAT...

Страница 54: ...M 1 2 4 7 OHM F R958 RN 2Z4708F R METAL FILM 1 2 4 7 OHM F R959 RN 2Z4708F R METAL FILM 1 2 4 7 OHM F R960 RN 2Z4708F R METAL FILM 1 2 4 7 OHM F R961 RN 2Z4708F R METAL FILM 1 2 4 7 OHM F R962 RN 2Z47...

Страница 55: ...16V RSS 47MF 5X11 TP CN37 CEXF1C470V C ELECTRO 16V RSS 47MF 5X11 TP CN38 CCXB2H561K C CERA 500V B 560PF K TAPPING CN39 CMXL2E104K C MYLAR 250V MEU 0 1MF K LN11 5CPX471J COIL PEAKING 470UH J RADIAL LN1...

Страница 56: ...LB02 5PYK5385 FILTER LPF K5385 LB03 5PYK5404 FILTER LPF K5404 LB04 5PYK5404 FILTER LPF K5404 M171 4851715100 TERM ANT AS 58002 32013 M171A 7173301212 SCREW TAPPTITE TT2 BIN 3X12 MFZN BK M171B 71724014...

Страница 57: ...43 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC244 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC250 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC251 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC2...

Страница 58: ...4KBA C CHIP CERA 50V X7R 0 1MF K 1608 CCB23 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CCB24 HCQK220JBA C CHIP CERA 50V CH 22PF J 1608 CCB25 HCQK220JBA C CHIP CERA 50V CH 22PF J 1608 CCB26 HCBK103KBA...

Страница 59: ...3421Q3 IC CHIP AUDIO PROCESSOR MSP3421G QA B8 IC701 1CAT24WC D IC CHIP EEPROM CAT24WC16 ICB01 1UPD64083Q IC CHIP Y C SEPERAT UPD64083GF ICB02 1M29372MPD IC CHIP REGULATOR LM2937IMP 2 5 L68B ICD01 1VSP...

Страница 60: ...FT393JBA R CHIP 1 10 39K OHM J 1608 RC208 HRFT104JBA R CHIP 1 10 100K OHM J 1608 RC209 HRFT103JBA R CHIP 1 10 10K OHM J 1608 RC210 HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC211 HRFT103JBA R CHIP 1 10 1...

Страница 61: ...IP 1 10 1 2K OHM J 1608 RC612 HRFT122JBA R CHIP 1 10 1 2K OHM J 1608 RC613 HRFT122JBA R CHIP 1 10 1 2K OHM J 1608 RC614 HRFT122JBA R CHIP 1 10 1 2K OHM J 1608 RC615 HRFT220JBA R CHIP 1 10W 22 OHM J 16...

Страница 62: ...1 10 100 OHM J 1608 RC779 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC780 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC781 HRFT101JBA R CHIP 1 10 100 OHM J 1608 RC782 HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC...

Страница 63: ...SJ 5510CRK P903 4857417500 TERM PIN DA IB0214 D2 3 DY PIN PB701 485923522S CONN WAFER YW025 09 STICK ZZ200 PTAVJRG018 PCB A V RADIAL AS DSJ 5510CRK A001 4859815892 PCB MAIN 330X246 FR 4 2L 1 6T C202 C...

Страница 64: ...8C0000143 COIL CHOKE ELC 0809 470K L601 58C0000143 COIL CHOKE ELC 0809 470K L701 5CPX100J COIL PEAKING PL 10UH J TAPPING L702 5CPX220J COIL PEAKING 22UH J RADIAL L703 58C0000143 COIL CHOKE ELC 0809 47...

Страница 65: ...CTRO 16V RSS 2200MF 16X31 5 TP C450 CEXF1C102V C ELECTRO 16V RSS 1000MF 10X20 TP C473 CEXF1E471V C ELECTRO 25V RSS 470MF 10X16 TP C476 CMXF2E154J C MYLAR 250V MPP 0 15MF J CF11 CH1AEE472M C CERA AC 2...

Страница 66: ...FILM 3W 75K OHM J SMALL RF44 RS03Z753JS R M OXIDE FILM 3W 75K OHM J SMALL RF45 RF01Z278K R FUSIBLE 1W 0 27 OHM K TP RF46 RF01Z278K R FUSIBLE 1W 0 27 OHM K TP RF47 RF01Z278K R FUSIBLE 1W 0 27 OHM K TP...

Страница 67: ...1 5CPX102J COIL PEAKING PL 1000UH J TAPPING LV12 5CPX102J COIL PEAKING PL 1000UH J TAPPING Q301 TKTC3198Y TR KTC3198Y Q401 TKTC1026Y TR KTC1026Y TP Q403 TKTC1026Y TR KTC1026Y TP Q406 TKTC3198Y TR KTC3...

Страница 68: ...PPER AWG22 1 0 65 TIN COATING J428 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J429 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J430 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J431 858010...

Страница 69: ...0 65 TIN COATING L408 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING L409 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING L410 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING R301 RN AZ6801F R METAL...

Страница 70: ...560 OHM J R474 RD AZ272J R CARBON FILM 1 6 2 7K OHM J R475 RD AZ563J R CARBON FILM 1 6 56K OHM J R477 RD AZ221J R CARBON FILM 1 6 220 OHM J R479 RD AZ101J R CARBON FILM 1 6 100 OHM J R480 RD AZ101J R...

Страница 71: ...LECTRO 400V FHS 470MF 35X45 C817 CMYH3C122J C MYLAR 1 6KV BUP 1200PF J C820 CMYH3C752J C MYLAR 1 6KV BUP 7500PF J C821 CMYH3C122J C MYLAR 1 6KV BUP 1200PF J C825 CH1BFE152M C CERA AC U C V 4KV AC400V...

Страница 72: ...R812 RX10T339J R CEMENT 10W 3 3 OHM J TRIPOD R820 RW02Z158JN R WIRE WOUND 2W 0 15 OHM J NON INDUCT R828 RW02Y158FS R WIRE WOUND 2W 0 15 OHM F SMALL R833 RW02Y158FS R WIRE WOUND 2W 0 15 OHM F SMALL RLY...

Страница 73: ...6 4856310600 EYE LET BSR T0 2 R2 3 E827 4856310300 EYE LET BSR T0 2 R1 6 E828 4856310300 EYE LET BSR T0 2 R1 6 E829 4856310600 EYE LET BSR T0 2 R2 3 E830 4856310600 EYE LET BSR T0 2 R2 3 E831 48563106...

Страница 74: ...869 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C870 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C872 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C873 CCXB3A102K C CERA 1KV B 1000PF K TAPPING C874 CCXB3A102K C...

Страница 75: ...AWG22 1 0 65 TIN COATING J827 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J828 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J829 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J830 85801065GY...

Страница 76: ...R827 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING R831 RD 2Z103J R CARBON FILM 1 2 10K OHM J R837 RD 4Z222J R CARBON FILM 1 4 2 2K OHM J R838 RD 4Z203J R CARBON FILM 1 4 20K OHM J R839 RD 4Z102J R...

Страница 77: ...76 8 Schematic Diagram 1 Block Diagram...

Страница 78: ...77 Schematic Diagram 2 Power...

Страница 79: ...78 Schematic Diagram 3 REAR IO...

Страница 80: ...79 Schematic Diagram...

Страница 81: ...80 Schematic Diagram 5 Deflection...

Страница 82: ...81 6 Converergence Amp Sound Amp Schematic Diagram...

Страница 83: ...82 7 Convergence Module Schematic Diagram...

Страница 84: ...83 8 CRT Amp Schematic Diagram...

Страница 85: ...84 9 Control Side Schematic Diagram...

Страница 86: ...85 1 MAIN PCB 9 PRINTED CIRCUIT BOARD...

Страница 87: ...86 2 POWER PCB PRINTED CIRCUIT BOARD...

Страница 88: ...87 3 AMP PCB PRINTED CIRCUIT BOARD...

Страница 89: ...88 4 CRT PCB PRINTED CIRCUIT BOARD...

Страница 90: ...89 5 DEF PCB PRINTED CIRCUIT BOARD...

Страница 91: ...90 6 UNION 1 PCB CONTROL SIDE PRINTED CIRCUIT BOARD...

Страница 92: ...91 7 UNION 2 PCB CONV MODULE REAR IO PRINTED CIRCUIT BOARD...

Страница 93: ...92 1 DSJ 4710 10 EXPLODED VIEW...

Страница 94: ...93 2 DSJ 4720 EXPLODED VIEW...

Страница 95: ...94 3 DSJ 5510 EXPLODED VIEW...

Страница 96: ...95 4 DSJ 5520 EXPLODED VIEW...

Страница 97: ......

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