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TROUBLESHOOTING GUIDE

Appendix

Drain

I801 MR2520

Vin

Vcc

GND

F / B

Z / C

Source
/OCL

FB01

L801

R801

C803

C802

D801

125V 5A

L805

C820

C814

R814

R813

R822

C818

D804

R862

C819

OCP

+133V

+45V

+12V

(Sound)

+5V

(St-By)

Q871

R827

Q873

R877

(Micom Power on/off)
PWR on : H
PWR off : L

R873

D806

R802

567

321

D871

I803

R868

I804

LTV817

I804

LTV827

I805

LTV817

D811

C891

D804

D802

C892

C807

R805

D810

R892

R891

L802

C809

Check

Waveform

#11

#10

+12V

C871

R872

R869

R879

R870

R878

C812

R818

R817

Q805

C706

D812

D813

C832

C815

D808

C817

D807

L807

C813

+133V

R807

C804

T801

TSM-5345B9

L806

+45V

+13.5V

#14

#12

#13

R893

R874

R876

Check

F801(125V/5A)

Check

R801(10W,1)

Check

Voltage

Check
voltage

Check

Voltage

1.NO POWER

Содержание DTQ 27U4SC

Страница 1: ...del DTQ 20U4SC DTQ 2033SC DTQ 27U4SC Mar 2003 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 ...

Страница 2: ...GRAM 13 ELECTRICAL PARTS LIST 17 DIFFERENT PARTS LIST 37 EXPLODE VIEW 42 PRINTED CIRCUIT BOARD 45 IC DESCRIPTION 48 WAVEFORMS 54 TROUBLE SHOOTING GUIDE 57 NO POWER 57 NO PICTURE 58 NO SOUND 59 CH DON T STOP 60 NO COLOR 61 NO VERTICAL DEFLECTION 61 NO ON SCREEN DISPLAY 62 NO REMOCON RECEIPT 62 TABLE OF CONTENTS APPENDIX Appendix is provide only by internet http svc dwe co kr ...

Страница 3: ... COLOR SETS ALWAYS RE INSTALL THEM 3 IT IS ESSENTIAL THAT SERVICE PERSONNEL HAVE AVAILABLE AN ACCU RATE AND RELIABLE HIGH VOLTAGE METER THE CALIBRATION OF THE METER SHOULD BE CHECKED PERIODICALLY AGAINST A REFERENCE STANDARD SUCH AS THE ONE AVAILABLE AT YOUR DISTRIBUTOR 4 WHEN THE HIGH VOLTAGE CIRCUITRY IS OPERATING PROPERLY THERE IS NO POSSIBILITY OF AN X RADIATION PROBLEM EVERY TIME A COLOR CHAS...

Страница 4: ...must be corrected imme diately The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the service personnel to the presence of uninsu lated dangerous voltage that may be of suffi cienty magnitude to constitute a risk of electric shock The exclamation point within an equilateral tri angle is intended to alert the service personnel to the presence of important ...

Страница 5: ...ventilation 4 Wall and shelf mounted installations using a commercial mounting kit must follow the factory approved mounting instructions A receiver mounted to a shelf or platform must retain its original feet or the equivalent thickness in spacers to provide adequate are flow across the bottom bolts or screws used for fasteners must not touch and parts or wiring Perform leakage test on cus tomize...

Страница 6: ... UHF W 12 W 84 Sound Output 3W 3W 5W 5W Speaker 8 ohm 3W x 2EA 8 ohm 7W x 2EA Antenna Input Impedance 75 ohm Unbalanced Auxiliary Input Terminal Front Video Audio L R AV3 Rear Video Audio L R AV1 Video Audio L R AV2 Y Cb Cr Audio L R CVI Auxiliary Output Terminal Rear Video Audio L R MONITOR OUT Intermediate Frequencies Picture IF Carrier Frequency 45 75MHz Sound IF Carrier Frequency 41 25MHz Colo...

Страница 7: ... 6 CIRCUIT BLOCK DIAGRAM ...

Страница 8: ...utton to turn the TV s menu system on and off 6 DISPLAY Use this button to display the channel numbeer and status 7 INPUT Use this button to select the TV s signal source 8 VIDEO Use this button to display video adjustment 9 0 9 Use these buttons to change channels 10 SLEEP Use this button to program the TV to turn off after a certain time 11 PREVIOUS Use this button to return to the previous chan...

Страница 9: ... the red Press the volume up or down button to enter in the service mode you wish to adjust 2 How to memorize the adjusted values in the service mode Must press DISPLAY button the state which the screen is displaying each of service menus after all adjustments are completed each of all service menu Table A Adjust the values of service mode when a part is replaced PART REPLACED ADJUSTMENT NOTES NEC...

Страница 10: ... 0 0 0 1020 PKINV 0 0 0 1 BLE 1 1 0 1 BTLT 8 0 0 15 BAM 12 9 0 31 SVG1 20 20 0 63 SVD1 7 2 0 7 SVLIM 127 100 0 127 SVDEL 0 7 0 15 OSDBR 130 255 0 511 OSDCO 130 120 0 511 S8 1 RD 700 800 0 1023 GD 700 800 0 1023 BD 700 800 0 1023 RB 350 350 0 511 GB 350 350 0 511 BB 350 350 0 511 S8 2 SCR R BIAS 0 0 0 511 SCR G BIAS 0 0 0 511 SCR B BIAS 450 470 0 511 SCR R DRIVE 0 0 0 1023 SCR G DRIVE 0 0 0 1023 SC...

Страница 11: ...cal Position Adjustment Select V POSI item adjust V POSI data value to center the raster properly on the screen 2 ASSEMBLY ADJUSTMENTS 1 SCREEN ADJUSTMENT S2 Enter the service mode and select service adjustment S2 You can see the one horizontal line on the screen Adjust the Screen Control Volume located on FBT so that the horizontal line onscreen may be disappeared Press the volume up or down butt...

Страница 12: ...st service adjustment data of RD GD BD and RB GB BB until a good gray scale with normal whites is obtained ALIGNMENT INSTRUCTIONS Press the DISPLAY button to memorize the data 5 DIGITAL PRESET D P ADJUSTMENTS S9 SUBBRIGHTNESS ADJUSTMENT Receive a good local channel Enter the service mode and select service adjustment S9 You can see the OSD as shown in below RD 800 GD 800 BD 800 RB 350 GB 350 BB 35...

Страница 13: ...lue to obtain normal brightness level Press the DISPLAY button to memorize the data CONTRAST Fixed value 13 TINT Fixed value 200 COLOR Fixed value 100 6 FACTORY OUTGOING MODE S12 FACT If you select the S12 then the set becomes factory outgoing status You can see the OSD outgoing OK ...

Страница 14: ... 13 SCHEMATIC DIAGRAM 20U4 SHEET 1 ...

Страница 15: ... 14 SCHEMATIC DIAGRAM 20U4 SHEET 2 ...

Страница 16: ... 15 SCHEMATIC DIAGRAM 27U4 SHEET 1 ...

Страница 17: ... 16 SCHEMATIC DIAGRAM 27U4 SHEET 2 ...

Страница 18: ...V901 4859636160 CRT A51QDK090X030 P38 24 ZZ200 PTFMSJJ954 MASK FRONT AS DTQ 21U4SC 25 M191 4851948100 BUTTON CTRL AS 4952500 5546800 26 M191A 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN 27 M201 4852081000 MASK FRONT FR HIPS GY 21U4 28 M481 4854862100 BUTTON POWER FR ABS GY 21U4 29 M481A 4856716000 SPRING SWPA PIE0 5 30 M561 4855617500 MARK BRAND CU AU ABS BK 31 ZZ210 PTSPPWJ954 SPEAKER AS DTQ 21U4...

Страница 19: ...NK ASS Y 1K78R05 7174300811 62 00001 1K78R05 IC REGULATOR KIA78R05PI 63 0000A 4857026902 HEAT SINK AL EX BK 64 0000B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN 65 I501 1VDP3130Y IC VDP3130Y 66 I502 1LP295033 IC REGULATOR LP2950 3 3V 67 I601 1MSP3420V3 IC SOUND PROCESSOR MSP3420G PP B8 V3 68 I602 PTG2SW8210 HEAT SINK ASS Y 1TDA8944J 7174300811 69 00001 1TDA8944J IC SOUND TDA8944J 70 0000A 485702821...

Страница 20: ...UARTZ HC 49 U 20 2500MHZ 30PPM 109 X601 5XE18R432E CRYSTAL QUARTZ HC 49 U 18 43200MHZ 30PPM 110 X701 5XYR03276C CRYSTAL QUARTZ C 001R 32 768000KHZ 20PPM 111 ZZ200 PTMPJ0J954 PCB MAIN RHU AS DTQ 21U4SC 112 C405 CEXA2D229E C ELECTRO 200V RUL 2 2MF 10X16 TP 113 C409 CMXE2G273J C MYLAR 400V PU 0 027MF J TP 114 C414 CEXF1V471V C ELECTRO 35V RSS 470MF 10X20 TP 115 C415 CEXF1C102V C ELECTRO 16V RSS 1000M...

Страница 21: ...0 EYE LET BSR T0 2 R2 3 152 E027 4856310600 EYE LET BSR T0 2 R2 3 153 E028 4856310600 EYE LET BSR T0 2 R2 3 154 E030 4856310600 EYE LET BSR T0 2 R2 3 155 E031 4856310600 EYE LET BSR T0 2 R2 3 156 E032 4856310600 EYE LET BSR T0 2 R2 3 157 E033 4856310600 EYE LET BSR T0 2 R2 3 158 E034 4856310300 EYE LET BSR T0 2 R1 6 159 E035 4856310300 EYE LET BSR T0 2 R1 6 160 E036 4856310300 EYE LET BSR T0 2 R1 ...

Страница 22: ...Y PIN 199 N401 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 200 N402 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 201 N403 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 202 N404 4857417500 TERM PIN DA IB0214 D2 3 DY PIN 203 P601 485923172S CONN WAFER YW025 04 STICK 204 R101 RS02Z910JS R M OXIDE FILM 2W 91 OHM J SMALL 205 R102 RS02Z910JS R M OXIDE FILM 2W 91 OHM J SMALL 206 R405 RS02Z241JS R M OXIDE FILM 2W ...

Страница 23: ... C502 CCXB1H561K C CERA 50V B 560PF K TAPPING 243 C503 CEXF1C470V C ELECTRO 16V RSS 47MF 5X11 TP 244 C507 CEXF1C101V C ELECTRO 16V RSS 100MF 6 3X11 TP 245 C512 CCXB1H122K C CERA 50V B 1200PF K TAPPING 246 C513 CEXF1C470V C ELECTRO 16V RSS 47MF 5X11 TP 247 C519 CEXF1H228V C ELECTRO 50V RSS 0 22MF 5X11 TP 248 C521 CEXF1H228V C ELECTRO 50V RSS 0 22MF 5X11 TP 249 C523 CEXF1H100V C ELECTRO 50V RSS 10MF...

Страница 24: ...O 50V RSS 0 33MF 5X11 TP 286 C640 CEXF1H338V C ELECTRO 50V RSS 0 33MF 5X11 TP 287 C643 CEXF1H229V C ELECTRO 50V RSS 2 2MF 5X11 TP 288 C701 CEXF1C101V C ELECTRO 16V RSS 100MF 6 3X11 TP 289 C703 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP 290 C704 CEXF1H229V C ELECTRO 50V RSS 2 2MF 5X11 TP 291 C705 CEXF1H109V C ELECTRO 50V RSS 1MF 5X11 TP 292 C706 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP 293 C742 ...

Страница 25: ...5K OHM J SMALL 333 SW701 5S50101090 SW TACT THVH472GCA 334 SW702 5S50101090 SW TACT THVH472GCA 335 SW703 5S50101090 SW TACT THVH472GCA 336 SW704 5S50101090 SW TACT THVH472GCA 337 SW705 5S50101090 SW TACT THVH472GCA 338 SW706 5S50101090 SW TACT THVH472GCA 339 ZZ200 PTMPJAJ954 PCB MAIN AXIAL AS DTQ 21U4SC 340 10 2TM14006LB TAPE MASKING 3M 232 6 0X2000M 341 20 2TM10006LB TAPE MASKING 3M 232 MAP C 6 2...

Страница 26: ...V F 0 01MF Z 376 C608 CCZF1H103Z C CERA 50V F 0 01MF Z 377 C619 CCZF1H103Z C CERA 50V F 0 01MF Z 378 C622 CCZF1H103Z C CERA 50V F 0 01MF Z 379 C624 CCZF1H103Z C CERA 50V F 0 01MF Z 380 C625 CCZF1H103Z C CERA 50V F 0 01MF Z 381 C627 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z 382 C641 CCZF1H103Z C CERA 50V F 0 01MF Z 383 C642 CCZF1H103Z C CERA 50V F 0 01MF Z 384 C644 CCZF1H103Z C CERA 50V F 0 01MF Z 385 C...

Страница 27: ...G 426 J102 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 427 J103 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 428 J104 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 429 J105 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 430 J107 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 431 J108 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 432 J109 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING...

Страница 28: ...G 467 J147 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 468 J149 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 469 J150 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 470 J151 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 471 J152 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 472 J153 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 473 J154 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING...

Страница 29: ...G 512 J213 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 513 J214 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 514 J219 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 515 J222 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 516 J225 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 517 J228 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 518 J229 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING...

Страница 30: ...G 557 J331 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 558 J332 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 559 J335 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 560 J336 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 561 J337 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 562 J338 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 563 J339 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING...

Страница 31: ... COATING 601 J817 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 602 J823 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 603 J827 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 604 J857 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 605 J860 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 606 J861 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 607 J862 85801065GY WIRE COPPER AWG22 1 0 65 TIN ...

Страница 32: ...2K OHM J 647 R312 RD AZ133J R CARBON FILM 1 6 13K OHM J 648 R313 RD AZ204J R CARBON FILM 1 6 200K OHM J 649 R314 RD 4Z564J R CARBON FILM 1 4 560K OHM J 650 R315 RD AZ391J R CARBON FILM 1 6 390 OHM J 651 R351 RD 4Z102J R CARBON FILM 1 4 1K OHM J 652 R352 RN AZ1003F R METAL FILM 1 6 100K OHM F 653 R353 RN 4Z8201F R METAL FILM 1 4 8 2K OHM F 654 R359 RD AZ333J R CARBON FILM 1 6 33K OHM J 655 R360 RD ...

Страница 33: ...BON FILM 1 6 33 OHM J 692 R545 RD AZ330J R CARBON FILM 1 6 33 OHM J 693 R546 RD AZ330J R CARBON FILM 1 6 33 OHM J 694 R547 RD AZ152J R CARBON FILM 1 6 1 5K OHM J 695 R548 RD AZ220J R CARBON FILM 1 6 22 OHM J 696 R549 RD AZ750J R CARBON FILM 1 6 75 OHM J 697 R550 RD AZ271J R CARBON FILM 1 6 270 OHM J 698 R551 RD AZ750J R CARBON FILM 1 6 75 OHM J 699 R553 RD AZ101J R CARBON FILM 1 6 100 OHM J 700 R5...

Страница 34: ...N FILM 1 6 4 7 OHM J 737 R702 RD AZ103J R CARBON FILM 1 6 10K OHM J 738 R703 RD AZ101J R CARBON FILM 1 6 100 OHM J 739 R704 RD AZ102J R CARBON FILM 1 6 1K OHM J 740 R705 RD AZ472J R CARBON FILM 1 6 4 7K OHM J 741 R706 RD AZ472J R CARBON FILM 1 6 4 7K OHM J 742 R707 RD AZ102J R CARBON FILM 1 6 1K OHM J 743 R709 RD AZ152J R CARBON FILM 1 6 1 5K OHM J 744 R711 RD AZ102J R CARBON FILM 1 6 1K OHM J 745...

Страница 35: ...1 6 360 OHM J 782 R795 RD AZ103J R CARBON FILM 1 6 10K OHM J 783 R796 RD AZ102J R CARBON FILM 1 6 1K OHM J 784 R797 RD AZ471J R CARBON FILM 1 6 470 OHM J 785 R798 RD AZ103J R CARBON FILM 1 6 10K OHM J 786 R802 RN AZ5601F R METAL FILM 1 6 5 6K OHM F 787 R804 RD 2Z105J R CARBON FILM 1 2 1M OHM J 788 R806 RD AZ102J R CARBON FILM 1 6 1K OHM J 789 R813 RD AZ363J R CARBON FILM 1 6 36K OHM J 790 R818 RD ...

Страница 36: ...Y TR KTA1270Y TP 827 ZZ200 PTCPJAJ954 PCB CRT AXIAL AS DTQ 21U4SC 828 A002 4859828813 PCB CRT 108X72 246X246 6 C1B 829 C903 CCZB1H102K C CERA 50V B 1000PF K AXIAL 830 C905 CCZB1H102K C CERA 50V B 1000PF K AXIAL 831 C907 CCZB1H102K C CERA 50V B 1000PF K AXIAL 832 C910 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z 833 D901 D1N4148 DIODE 1N4148 TAPPING 834 D902 D1N4148 DIODE 1N4148 TAPPING 835 D903 D1N4148 DI...

Страница 37: ...330 OHM J 856 R914 RD AZ432J R CARBON FILM 1 6 4 3K OHM J 857 R915 RD 2Z683J R CARBON FILM 1 2 68K OHM J 858 R916 RD AZ751J R CARBON FILM 1 6 750 OHM J 859 R917 RC 2Z102K R CARBON COMP 1 2 1K OHM K 860 R918 RD AZ301J R CARBON FILM 1 6 300 OHM J 861 R919 RD AZ301J R CARBON FILM 1 6 300 OHM J 862 R920 RD AZ301J R CARBON FILM 1 6 300 OHM J 863 C801 CL1UC3104M C LINE ACROSS WORLD AC250V 0 1UF M R 47 N...

Страница 38: ...BS606GU 7174300811 27 D801A 4857018902 HEAT SINK A1050P H24 28 D801B 7174300811 SCREW TAPPTITE TT2 RND 3X8 MFZN 29 D904 DLT2A05G DIODE LT2A05G TP 30 J823 RD 4Z100J R CARBON FILM 1 4 10 OHM J 31 L401 58H0000064 COIL H LINEARITY TRL 350B 32 L406 5MC0000100 COIL BEAD HC 3550 33 L801 5PLF30A1 FILTER LINE LF 30A1 34 L805 58C0000096 COIL CHOKE 610G0233 470K 35 M191 4851948700 BUTTON CTRL 4954900 5549100...

Страница 39: ...MALL 80 R822 RD AZ223J R CARBON FILM 1 6 22K OHM J 81 R862 RD AZ203J R CARBON FILM 1 6 20K OHM J 82 R863 RD AZ203J R CARBON FILM 1 6 20K OHM J 83 R870 RN AZ1302F R METAL FILM 1 6 13K OHM F 84 R903 RN02B240JS R METAL FILM 2W 24 OHM J SMALL 85 R904 RS01Z683J R M OXIDE FILM 1W 68K OHM J TAPPING 86 R905 RD AZ511J R CARBON FILM 1 6 510 OHM J 87 R906 RD AZ332J R CARBON FILM 1 6 3 3K OHM J 88 R907 RS01Z6...

Страница 40: ... 1MF 6 3X11 TP 137 C407 CMYH3C752J C MYLAR 1 6KV BUP 7500PF J 138 C413 CCXB2H102K C CERA 500V B 1000PF K TAPPING 139 C416 CCXB2H102K C CERA 500V B 1000PF K TAPPING 140 C417 CCXB2H102K C CERA 500V B 1000PF K TAPPING 141 C535 CCZF1H103Z C CERA 50V F 0 01MF Z 142 C536 CCZB1H561K C CERA 50V B 560PF K 143 C537 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z 144 C539 CCZB1H821K C CERA 50V B 820PF K AXIAL 145 C708 ...

Страница 41: ...G 102 A1 1 0KV TAP 194 J178 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 195 J908 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 196 J910 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 197 J913 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 198 J914 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 199 J915 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING 200 J916 85801065GY WIRE COPPER AWG22 1...

Страница 42: ...82 OHM J 242 R940 RD AZ122J R CARBON FILM 1 6 1 2K OHM J 243 R941 RD AZ152J R CARBON FILM 1 6 1 5K OHM J 244 R942 RD AZ683J R CARBON FILM 1 6 68K OHM J 245 R943 RD AZ683J R CARBON FILM 1 6 68K OHM J 246 R944 RD AZ123J R CARBON FILM 1 6 12K OHM J 247 R945 RD AZ122J R CARBON FILM 1 6 1 2K OHM J 248 R946 RD AZ152J R CARBON FILM 1 6 1 5K OHM J 249 R947 RD 4Z620J R CARBON FILM 1 4 62 OHM J 250 R948 RD ...

Страница 43: ...W CRT FIXING 2 30X80 BK 9 4856219502 WASHER RUBBER 4 CR T2 0 BLACK 10 4856716000 SPRING 1 SWPA PIE0 5 11 12 13 7121301212 SCREW TAPPING 3 14 7122401412 5 15 7178301011 SCREW TAPPTITE 8 TT2 WAS 3X10 MFZN Designedby Checkedby Inspectedby Approvedby BAE J H DTQ 20U4SC ASSY NAME DEVELOPMENT DWG 485009M6 2 18 17 16 19 4855415800 SPEC PLATE 1 15ART P E FILM C TV 4852161700 CLOTH BLACK FELT 400X20X0 7 2 ...

Страница 44: ... 4856013300 4856013303 WASHER RUBBER 4856219502 7178301011 4851946500 48583014010 4852081900 4855617500 4856717900 4854862100 7178301011 DW 3 EPS TT2 TRS 4X14 MFZN TT2 WAS 3X10 MFZN FR HIPS GY 30X250 YL 30X80 BK CR T2 0 BLACK TT2 WAS 3X10 MFZN 4952500 5546800 TT2 WAS 3X10 MFZN SP_5070F01 FR HIPS GY CU AU ABS BK SWPA PIE 0 5 ABS GY SAMSUNG 21 FLAT CRT TT2 AWS 3X10 MFZN TT2 TRS 4X14 MFZN MODEL REFER...

Страница 45: ...SD 4 4856716000 4854862100 3 2 SPRING 7172401612 SCREW TAPPTITE 15 4858310810 7178301011 7172401212 4856219502 4856015821 4855549100 4854954900 7 6 5 9 8 12 11 10 14 13 SPEAKER SCREW TAPPTITE SCREW TAPPTITE DECO SENSOR BUTTON CH MAIN PCB WASHER RUBBER COVER BACK 4857817630 4855415800 7178301212 18 16 17 CLOTH BLACK SPEC PLATE SILVER DIA CUTTING 1 SWPA PIE0 5 FR ABS GY 1 1 9 SP 58126F01 SWRW SK5 L ...

Страница 46: ... 45 PRINTED CIRCUIT BOARD CN 230F MAIN ...

Страница 47: ... 46 PRINTED CIRCUIT BOARD CN 230F 20U4 CRT ...

Страница 48: ... 47 PRINTED CIRCUIT BOARD CN 230F 27U4 CRT ...

Страница 49: ...C Spare Vss XT1 XT2 VDD KEY IN AFT IN NC A D RESET FILTER CVBS in VS inv HS inv POWER D G SW A mute V SW MSPRES NC VDPRES ST LED RC IN I O I P I O S VHS SCL1 SDA1 SCL2 SDA2 OSD I OSDblk OSD B OSD G OSD R I701 DW8638TA1 SCL1 SDA1 VDP MSP EEPROM SCL2 SDA2 TUNER Appendix ...

Страница 50: ... H 22 R OSD RED Signal OUTPUT H O 23 G OSD GREEN Signal OUTPUT H O 24 B OSD BLUE Signal OUTPUT H O 25 BL OSD BLANKING Signal OUTPUT H O 26 I OSD Intensity 27 SDA0 Tuner serial data OUTPUT H O U 28 SCLK0 Tuner clock OUTPUT H O U 29 SDA1 IC serial data INPUT OUTPUT H I O U 30 SCLK1 IC clock OUTPUT H O U 31 S VHS S JACK H input DEFAULT H P70 L H I 32 P71 NC I 33 P72 NC 34 P73 Remote control Signal IN...

Страница 51: ...W VIN4 VIN3 VIN2 VIN1 CIN1 VOUT VSUPAF VRT SGND GNDAF CBIN CIN2 CRIN XTAL2 XTAL1 HOUT CLK20 FBLIN2 BIN2 GIN2 RIN2 FBLIN BIN GIN RIN VRD BOUT GOUT ROUT VSUPAB GNDAB SVMOUT XREF I501 VDP3130Y 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 Appendix ...

Страница 52: ...Port 1 Bit 1 20 P2 IN OUT Port 1 Bit 2 21 P3 IN OUT Port 1 Bit 3 22 P4 IN OUT Port 1 Bit 4 23 P5 IN OUT Port 1 Bit 5 24 P6 IN OUT Port 1 Bit 6 25 GNDD SUPPLY Digital Ground 26 RSW2 OUT Range Switch 2 for Measurement ADC 27 RSW1 OUT Range Switch 1 for Measurement ADC 28 SENSE IN Sense ADC Input 29 GNDM SUPPLY Ground MADC Input 30 VERTQ OUT Inverted Vertical Sawtooth Output 31 VERT OUT Vertical Sawt...

Страница 53: ...rystal Input 52 XTAL2 OUT Analog Crystal Output 53 CIN2 CRIN IN Analog chroma2 component CR Input 54 CBIN IN Component CB Input 55 GNDAF SUPPLY Analog Ground Frontend 56 SGND IN Signal Ground for Analog input 57 VRT IN Reference Voltage Top 58 VSUPAF SUPPLY Analog Supply Voltage 5 0V Frontend 59 VOUT OUT Analog Vodeo output 60 CIN1 IN Analog Chroma 1 Input 61 VIN1 IN Analog Video 1 Input 62 VIN2 I...

Страница 54: ... 53 WAVEFORMS 2 T801 PIN17 POWER ON 2 T801 PIN17 STAND BY 0 1 I801 PIN7 POWER ON 1 I801 PIN7 STAND BY 4 T402 PIN1 HOR OUT 3 I501 PIN50 HOUT Appendix ...

Страница 55: ... 54 WAVEFORMS Appendix 5 T402 PIN3 200V LINE 6 T402 PIN9 HEATER LINE 7 T402 PIN4 12V LINE 8 T402 PIN6 27V LINE 9 I501 PIN31 VERTICAL RAMP 10 I501 PIN32 E W ...

Страница 56: ... 55 WAVEFORMS Appendix 11 CVBS Composite Video 12 I501 PIN52 VDP X TAL 13 I501 PIN11 VSYNC 14 SVM Q902 BASE 15 SVM Q906 BASE 16 SVM Q907 BASE ...

Страница 57: ... 56 WAVEFORMS Appendix 17 SVM Q909 BASE 18 I901 PIN7 ROUT ...

Страница 58: ... PWR on H PWR off L R873 D806 R802 4 5 6 7 8 3 2 1 D871 I803 R868 I804 LTV817 I804 LTV827 I805 LTV817 D811 C891 D804 D802 C892 C807 R805 D810 R892 R891 L802 C809 Check Waveform 8 7 11 10 12V C871 R872 R869 R879 R870 R878 C812 R818 R817 Q805 C706 D812 D813 C832 C815 D808 C817 D807 L807 C813 133V 2 3 4 R807 C804 T801 TSM 5345B9 L806 45V 13 5V 9 14 12 13 R893 R874 R876 Check F801 125V 5A Check R801 1...

Страница 59: ...ystal d Check composite video 61 Check Vsup 5V 58 17 check Vsup 3 3V Check HOUT 50 15 39 I501 Check RGB Signal OUTPUT 38 37 Check 200V LINE Check Vsup 5V 36 D405 T402 FBT D406 Check heater voltage Check clock data signal MICOM check the waveform of I501 61 I501 VDP3130Y NG Go to the figure c OK Go to the figure d U101 TUNER CVBS T DATA T CLOCK I701 Check the VOLTAGE ...

Страница 60: ... 32 768KHz ST BY 5V Check clock data signal Check the crystal f Check Vcc of sound AMP Sound B 14V 3 16 Check audio output signal 1 Speaker L 14 Speaker R Audio input L 6 I602 TDA8944J Audio input R 12 4 H phone L MUTE 10 17 H phone R Check audio input signal Check MSP output data signal of I601 28 29 U101 TUNER SIF T DATA T CLOCK NG Go to the figure e OK Go to the figure f I701 MICOM I601 MSP ...

Страница 61: ...Composite Video Signal TUNER CVBS T DATA T CLOCK Check T SDA SCL 27 28 61 29 SDA 4 30 SCL 3 10 11 12 SDA X701 32 768KHz ST BY 5V SCL Check the crystal 5 6 Check SDA SCL 8 ST BY 5V Check the input signal conditions I701 NG Loss of signal or weak signal OK Go to the figure g MICOM I501 VDP I703 EEPROM ...

Страница 62: ...36 58 51 Check the crystal Check the Voltage Check Vout signal Check Vertical signal Vertical D Y Check the Voltage 27V I301 Vcc 27V Check R G B signal X501 X501 Vsup 5V Vsup 5V Vsup 3 3V 61 I501 VDP3130Y I501 VDP3130Y I301 LA7848 52 38 39 16 15 51 52 31 5 Vin 2 Vout 6 Vcc Vertical OUTPUT G OUT B OUT ...

Страница 63: ... I501 VDP3130Y IL701 REMOCON PREAMP I701 MICOM I701 MICOM H SYNC ST BY 5V ST BY 5V ST BY 5V 20 22 23 24 25 41 42 43 44 12 11 10 12 34 11 10 X701 Check the crystal X701 Check the crystal Check OSD R G B BLANK signal Check the waveform If OSD doesn t operate I701 replace new product Check the signal 15 73Hz SDA SCL OSD R OSD G OSD B BLANK OUT 21 ...

Страница 64: ...PRINTED DATE Mar 2003 ...

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