Daewoo DTW - 2810F Service Manual Download Page 27 | Manualshive

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DAEWOO ELECTRONICS CO., LTD

686, AHYEON-DONG MAPO-GU
SEOUL, KOREA
C.P.O. BOX 8003 SEOUL, KOREA
TELEX : DWELEC K28177-8
CABLE : “DAEWOOELEC”
E-mail : [email protected]
TEL : 82-2-360-7806
FAX : 82-2-360-7877

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Summary of Contents for DTW - 2810F

Page 1: ... Watts 10 10 Watts 10 THD at RF 60 mod 1 kHz 12W 8 ohm x 2 EA TUNER JACKAUDIO TERMINAL AUDIO OUT L R R 22D05 or R 23D05 with 2 AAA type batteries TOP 5 Page memory FLOF 7 Page memory TELETEXT 21 pin EURO SCART jack AV input S VHS input Headphone jack 3 5 mm West option English German Dutch Flemish French Italian Spanish Portuguese Swedish Finnish Danish Hungarian Rumanian Turkish East option Polis...

Page 2: ...CATIONS 3 CIRCUIT BLOCK DIAGRAM 4 ALIGNMENT INSTRUCTION 5 SCHEMATIC DIAGRAM 11 EXPLODED VIEW 13 PRINTED CIRCUIT BOARD 15 SERVICE PARTS LIST 16 APPENDIX Appendix is provided only by internet http svc dwe co kr IC DESCRIPTION 1 IC DC VOLTAGE CHARTS 18 ...

Page 3: ... potential of the picture tube before handling the tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled 2 If any Fuse in this TV receiver is blown replace it with the FUSE specified in the Replacement Parts List 3 When replacing a high wattage resistor oxide metal film resistor in circuit board keep the resistor 10mm away from circuit board 4 Keep wire...

Page 4: ... 5Vrms Imp 10 k RF 60 MOD 7 Blue in 0 7Vpp 2dB Imp 75 8 Slow Function Switching TV 0 2V PERI 9 5 12V Imp 10 k 9 Green Earth 10 NC 11 Green In 0 7Vpp 2dB Imp 75 12 NC 13 Red Earth 14 Rapid Blanking Switching Earth 15 Red In C In 0 7Vpp 2dB Imp 75 16 Rapid Blanking switching Logic 0 0 0 4V Logic 1 1 3V Imp 75 17 Video Earth 18 Rapid Blanking Earth 19 Video Out 1Vpp 2dB Imp 75 20 Video In Y In 1Vpp 2...

Page 5: ...4 CIRCUIT BLOCK DIAGRAM ...

Page 6: ...5 ALIGNMENT INSTRUCTIONS User Remocon 1 R 22D05 ...

Page 7: ...6 2 R 23D05 ALIGNMENT INSTRUCTIONS ...

Page 8: ...te controller are used to move the selection bar up or down the Menus 6 The VOL UP DOWN buttons on the remote controller are used to adjust levels 7 If you want to exit from Service Mode then power the TV off You can see the SVC Menu by OSD in TV set V Slope V Center V Size S Curve H Center H Width EW Para EW Cor T EW CB EW Sym R b G b B b R d G d B d G2 Sub Bri DT Wide 005 995 220 019 190 510 382...

Page 9: ...Generator with RF Frequency 210 25MHz 10CH Pattern RETMA 2 Select the G2 in Menu 3 And a Horizontal Line will appear on the screen 4 Adjust the SCREEN VOLUME on FBT barely to see the Horizontal Line 5 Press the PR UP DOWN keys to finish the SCREEN adjustment FOCUS 1 Apply a RETMA PATTERN signal 2 Adjust the FOCUS VOLUME on FBT to obtain optimal resolution GEOMETRY 1 VERTICAL SLOPE Fixed Adjust if ...

Page 10: ...st picture centering with the select H Center by volume UP DOWN keys EW 1 WIDTH 1 Apply a RETMA PATTERN Signal 2 Adjust the horizontal width to make a perfect circle with the select H Width by volume UP DOWN keys 2 PARA 1 Apply a CROSSHATCH PATTERN Signal 2 Adjust the vertical line to straight with the select E W Para by volume UP DOWN keys 3 CORNER Fixed Adjust if need be 1 Apply a CROSSHATCH PAT...

Page 11: ...etma 2 Adjust the SUB BRIGHT with the select Sub Bri by volume UP DOWN keys so that only H Center parts of picture can be seen DOUBLE TEXT CENTER 1 Pattern Pattern RED 2 Select Menu 3 Select DT in SVC menu time to see the Double Text Picture Left RF Picture Right Text Picture 4 Change the Double Text control keys volume UP DOWN keys so that the left edge of text picture concur with the right edge ...

Page 12: ...11 SCHEMATIC DIAGRAM ...

Page 13: ...12 ...

Page 14: ...1X44 4859630260 CLAMP CORD 4858180700 4858215600 485805085K 4855415800 97P4602700 4856015820 4856215402 TT2 TRS 4X16 MFZN BK PS T0 5 28W2 L EPS 28W3 1 26 PE FOAM t0 5X1600X1270 1 25 DW 3 1 24 150ART P E FILM C TV 1 23 NYLON 66 BLK 5280N 1 22 SWRM SK5 L 35 4 CR T2 0 4 21 1 20 WP 811 1 19 17 FR HIPS GY 778A 1 16 FR HIPS BK 1 15 PVC T0 5 1 14 PC GY 1 13 SILVER DIA CUTTING 1 12 SWPA PIE0 5 1 11 ABS GY...

Page 15: ...HEAT SINK 50 51 52 53 54 48 49 46 47 36 35 43 38 37 39 40 41 42 44 34 45 21 30 24 25 28 29 27 40 44 48 41 45 49 32 31 33 37 36 TT2 TRS 4X16 MFZN BK SCREW TAPPTITE 1 TT2 RND 3X8 MFZN 1 AL050P H24 T 2 7174300811 4857025403 HEAT SINK SCREW TAPPTITE 1 TT2 RND 3X8 MFZN 1 AL EX 7174300811 4857031000 HEAT SINK SCREW TAPPTITE 1 AL EX 4857027910 HEAT SINK 1 AL EX 4857027710 HEAT SINK T2S WAS 3X10 MFZN 4 SC...

Page 16: ...15 PRINTED CIRCUIT BOARD ...

Page 17: ...50 RH51BGRW HPF01 4859105240 JACK PHONO LGT1516 0100 R is a recommendable part for stock is safety component so it must be used the same component Caution IF01 1SR5HP IC PREAMP SR 5HP JPF01 4859105450 JACK PIN BOARD YSC03P 4120 9S P502A 4850706S02 CONNECTOR YH025 06 YST025 ULW 400 P603A 4850704S04 CONNECTOR YH025 04 YST025 ULW 400 P702A 4850703S21 CONNECTOR YH025 03 YST025 ULW 600 P703A 4850705S04...

Page 18: ...JPA02 4859200401 SOCKET RGB YRS21 R1 JPA05 4859100680 JACK AUDIO SI T55220P 4P TERMINAL LOC PART CODE PART NAME DESCRIPTION SERVICE PARTS LIST L103 5 80E 42 COIL AFT TRF A005 L401 58H0000054 COIL H LINEARITY TRL 040F L403 58C0000118 COIL CHOKE CH 191A L821 5PLF24A1 FILTER LINE LF 24A1 M351 4853529903 HOLDER CORD FR HIPS GY 778A M351A 7172401412 SCREW TAPPTITE TT2 TRS 4X14 MFZN BK M361 4853631102 T...

Page 19: ...CA C CHIP CERA 50V Y5V 1MF Z 2012 CC666 HCFK105ZCA C CHIP CERA 50V Y5V 1MF Z 2012 CC701 HCBK102KCA C CHIP CERA 50V X7R 1000PF K 2012 LOC PART CODE PART NAME DESCRIPTION SERVICE PARTS LIST CC702 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 CC704 HCBK472KCA C CHIP CERA 50V X7R 4700PF K 2012 CC705 HCBK222KCA C CHIP CERA 50V X7R 2200PF K 2012 CC707 HCFK103ZCA C CHIP CERA 50V Y5V 0 01MF Z 2012 CC708 HC...

Page 20: ... R CHIP 1 10 6 8K OHM J 2012 LOC PART CODE PART NAME DESCRIPTION SERVICE PARTS LIST RC544 HRFT102JCA R CHIP 1 10 1K OHM J 2012 RC546 HRFT202JCA R CHIP 1 10 2K OHM J 2012 RC603 HRFT512JCA R CHIP 1 10 5 1K OHM J 2012 RC604 HRFT512JCA R CHIP 1 10 5 1K OHM J 2012 RC605 HRFT303JCA R CHIP 1 10 30K OHM J 2012 RC606 HRFT303JCA R CHIP 1 10 30K OHM J 2012 RC607 HRFT272JCA R CHIP 1 10 2 7K OHM J 2012 RC608 H...

Page 21: ... EYE LET BSR T0 2 R1 6 E110 4856310300 EYE LET BSR T0 2 R1 6 E111 4856310300 EYE LET BSR T0 2 R1 6 E112 4856310300 EYE LET BSR T0 2 R1 6 E113 4856310600 EYE LET BSR T0 2 R2 3 LOC PART CODE PART NAME DESCRIPTION SERVICE PARTS LIST E114 4856310600 EYE LET BSR T0 2 R2 3 E115 4856310300 EYE LET BSR T0 2 R1 6 E116 4856310300 EYE LET BSR T0 2 R1 6 E117 4856310300 EYE LET BSR T0 2 R1 6 E118 4856310300 EY...

Page 22: ...F 5X11 TP C671 CEXF1H339V C ELECTRO 50V RSS 3 3MF 5X11 TP C672 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP LOC PART CODE PART NAME DESCRIPTION SERVICE PARTS LIST C673 CEXF1H100V C ELECTRO 50V RSS 10MF 5X11 TP C674 CEXF1H479C C ELECTRO 50V RUS 4 7MF 5X11 TP C675 CEXF1H479C C ELECTRO 50V RUS 4 7MF 5X11 TP C676 CEXF1H479C C ELECTRO 50V RUS 4 7MF 5X11 TP C677 CEXF1H479C C ELECTRO 50V RUS 4 7MF 5X11 TP C...

Page 23: ...APPING DA16 DUZ5R1B DIODE ZENER UZ 5 1B UNIZON DA17 DUZ5R1B DIODE ZENER UZ 5 1B UNIZON DA18 DUZ5R1B DIODE ZENER UZ 5 1B UNIZON DA19 DUZ5R1B DIODE ZENER UZ 5 1B UNIZON DA22 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING DA23 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING DA24 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING DA25 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING DA27 DUZ5R6BM DIODE ZENER UZ 5 6BM TAPPING DA30 DUZ5R1B DIODE...

Page 24: ...5ZCA C CHIP CERA 50V Y5V 1MF Z 2012 CCD07 HCQK121JCA C CHIP CERA 50V CH 120PF J 2012 CCD08 HCFK105ZCA C CHIP CERA 50V Y5V 1MF Z 2012 CCD09 HCQK309CCA C CHIP CERA 50V CH 3PF C 2012 CCD10 HCQK309CCA C CHIP CERA 50V CH 3PF C 2012 CCD12 HCBK473KCA C CHIP CERA 50V X7R 0 047MF K 2012 CCD13 HCBH224KCA C CHIP CERA 25V X7R 0 22MF K 2012 CCD14 HCBH224KCA C CHIP CERA 25V X7R 0 22MF K 2012 CCD15 HCBH224KCA C ...

Page 25: ...ART NAME DESCRIPTION SERVICE PARTS LIST RCD53 HRFT431JCA R CHIP 1 10 430 OHM J 2012 RCD54 HRFT101JCA R CHIP 1 10 100 OHM J 2012 RCD55 HRFT101JCA R CHIP 1 10 100 OHM J 2012 RCD56 HRFT101JCA R CHIP 1 10 100 OHM J 2012 RCD57 HRFT101JCA R CHIP 1 10 100 OHM J 2012 RCD61 HRFT152JCA R CHIP 1 10 1 5K OHM J 2012 RCD62 HRFT151JCA R CHIP 1 10 150 OHM J 2012 RCD63 HRFT151JCA R CHIP 1 10 150 OHM J 2012 RCD64 H...

Page 26: ... 6 10K OHM J RS01 RD 4Z200J R CARBON FILM 1 4 20 OHM J RS02 RD 4Z200J R CARBON FILM 1 4 20 OHM J RS03 RD 4Z471J R CARBON FILM 1 4 470 OHM J RS05 RD 4Z331J R CARBON FILM 1 4 330 OHM J ZZ200 PTMAJ1D359 PCB MAIN MODULE DTW 28W2F CHIP ID01 1VPC3215CT IC CHIP VIDEO VPC3215C ID02 1C1P3250AT IC CHIP VIDEO CIP3250A ID03 1MSM54122Q IC MEMORY MSM5412222 ID04 1DDP3310BT IC CHIP DDP3310B LOC PART CODE PART NA...

Page 27: ...DAEWOO ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail djkoo web dwe co kr TEL 82 2 360 7806 FAX 82 2 360 7877 ...

Page 28: ...controller keep running at a frequency programmable via the CCU In this mode the power consumption of the device can be reduced by more than 95 LP WFI Wait For Interrupt Mode The Wait For Inter rupt WFI instruction and if the Watchdog is not enable the CPU and its peripherals stop operation and the I O ports enter high impedance mode A reset is necessary to exit from Halt mode 1 1 3 I O Ports Up t...

Page 29: ...M 56 lead Shrink DIP package 28 fully programmable I O pins Serial Peripheral Interface Flexible Clock controller for OSD Data Slicer and Core clocks running from one single low frequency external crystal Enhanced Display Controller with 26 rows of 40 80 characters Serial and Parallel attributes 10x10 dot Matrix 512 ROM characters definable by user 4 3 and 16 9 supported 2 Feature 0 C O 70 C O _ R...

Page 30: ...3 3 Block Diagram IC DESCRIPTION APPENDIX ...

Page 31: ...r inverter and internal clock generator OSCOUT is the output of the oscillator inverter VSYNC Vertical Sync Vertical video synchronisation input to OSD Positive or negative polarity HYNC CSYNC Horizontal Composite sync Horizontal or composite video synchronisation input to OSD Posi tive or negativety PXFM Analog pin for the Display Pixel Frequency Multi plier AVDD Analog VDD of PLL This pin must b...

Page 32: ... submicron CMOS technology Pin 1 Ground Analog Front End GND Pin 2 Ground Analog Front End GND Pin 3 CCU 5 MHz Clock Output CLK5 This pin provides a clock frequency for the TV microcon troller e g a CCU 3000 controller It is also used by the DDP 3300A display controller as a standby clock Pin 4 Standby Supply Voltage V In standby mode only the clock oscillator is active GND should be ground refere...

Page 33: ...p to 8 sources to the back end processor Switching for different sources is prioritized and can be on a per pixel basis Pin 51 Ground Output Pad Circuitry GND Pin 52 VGAV Input This pin is connected to the vertical sync signal of a VGA signal Pin 53 Front End Back End Data FPDAT This pin interfaces to the DDP 3300A back end processor The information for the deflection drives and for the white driv...

Page 34: ...analog input for RGB or YUV and Fast Blank triple 8 bit analog to digital converters for RGB YUV with internal programmable clamping single 6 bit analog to digital converter for Fast Blank singnal digital matrix RGB YUV Y B Y R Y luma contrast and brightness correction for signals from analog input color saturation and hue correction for signals from analog input digital input for DIGIT 2000 or DI...

Page 35: ...te nibble multiplex format In a stand alone application where the CIP 3250A serces as an AD converter these are the outputs for the digital Red sig nal pure binary or the digital chroma V signal 2 s compo nent Leave vacant if not used Pin 29 AVI Active Video Input In a DIGIT 2000 application this input can be connected to ground In a DIGIT 3000 application this input expects the DIGIT 3000 AVI sig...

Page 36: ...of the chip i e 18 52 58 60 62 64 66 and 68 must be connected together low resistive The layout of the PCB must take into consideration the need for a low noise ground Pin 59 ADREF Connect External Capacitor This pin should be connected to ground over a 10uF and a 100nF capacitor in parallel Pin 60 SUBSTRATE This is connected to the platform which carries the die and must be cvonnected to the grou...

Page 37: ...istive The layout of the PCB must take into consideration the need for a low noise ground Pin 67 RV Analog Red V Chroma Input This input pin takes the AC coupled analog component signal Red or V Chroma The amplitude is 1 0V maximum at 75ohms and a coupling capacitor of 220nF Internally the DC offset of the input signal is adjusted via the pro grammable internal clamping circuit Connect to ground i...

Page 38: ... can be halted high or low for any duration as long as the power is on Internal conflicts of memory access and refreshing operations are prevented by special arbitration logic The MSM5412222 s function is simple and similar to a digital delay device whose delay bit length is easily set by reset timing The delay length and the number of read delay clocks between write and read is determined by exte...

Page 39: ...operation High speed asynchronous serial access Read write cycle time 25 ns 30 ns Access time 23 ns 25 ns Direct cascading capability Write mask function Input enable control Data skipping function Output enable control Self refresh No refresh control is required 3 BLOCK DIAGRAM IC DESCRIPTION APPENDIX ...

Page 40: ...d Enable 21 IE Input Enable 24 OE Output Enable 18 RSTW Write Resert Clock 27 RSTR Read Reset Clock 2 3 5 6 7 8 10 11 12 13 15 16 Data Input 29 30 32 33 34 35 37 38 39 40 42 43 Data Output 22 23 Vcc Power Supply 5V 1 31 44 Vss Ground 0V 4 9 14 19 26 36 41 NC No Connection D 0 D 11 IN IN D 0 D 11 OUT OUT IC DESCRIPTION APPENDIX ...

Page 41: ...ma correction color transient improvement programmable RGB matrix picture frame generator two analog RGB Fast Blank inputs Deflection processing scan velocity modulation output high performance H V deflection EHT compensation for vertical East West soft start stop of H Drive vertical angle and bow differential vertical output horizontal and vertical protection circuit adjustable horizontal frequen...

Page 42: ...in in the event of a malfunction of the vertical deflection stage If the peak to peak value of the vertical sawtooth signal is too small the RGB output signals are blanked Pin 12 H Drive Frequency Range Select FREQSEL This pin selects the frequency range for the horizontal drive signal Pin 13 Clock Select 40 5 or 27 32 MHzCM1 Low level selects 27 32 MHz High level selects 40 5 MHz Pin 14 Clock Sel...

Page 43: ...ired Pin 30 34 Fast Blank Input FBLIN1 2 These pins are used to switch the RGB outputs to the external analog RGB inputs FBLIN1 switches the RIN1 GIN1 and BIN1 inputs FBLIN2 switches the RIN2 GIN2 and BIN2 inputs The active level Low or High can be selected by software Pin 31 32 33 Analog RGB Input1 RIN1 GIN1 BIN1 These pin are used to insert an external analog RGB sig nal e g from a SCART connect...

Page 44: ...informatoion Either single or double vertical frequency or VGA vertical sync signal Pin 65 66 Crystal Output Input XTAL2 XTAL1 These pins are connectecd to an 5 MHz crystal oscillator The security unit for the HOUT signal uses this clock sig nal as reference Pin 67 Data Input Output SDA Via this pin the bus data are written to or read from the DDP 3310B Pin 68 Clock Input SCL Via this pin the cloc...

Page 45: ...1 12 13 14 15 16 17 18 19 20 V DC 2 4 2 4 0 0 2 0 2 0 2 0 2 4 9 0 0 2 Pin No 21 22 23 24 25 26 27 28 29 30 V DC 0 0 0 4 9 0 1 0 1 0 0 1 0 1 0 Pin No 31 32 33 34 35 36 37 38 39 40 V DC 0 1 0 3 7 3 7 0 3 7 3 7 6 9 8 0 6 9 Pin No 41 42 43 44 45 46 47 48 49 50 V DC 0 3 7 3 7 3 7 0 3 7 3 7 0 3 7 3 7 Pin No 51 52 53 54 55 56 57 58 59 60 V DC 0 3 7 3 7 2 6 3 7 0 5 0 1 5 1 5 0 3 Pin No 61 62 63 64 V DC 0 ...

Page 46: ... 25 26 27 28 29 30 V DC 5 0 2 0 0 5 0 0 2 1 8 0 2 2 2 0 3 Pin No 31 32 33 34 35 36 37 38 39 40 V DC 5 0 5 0 0 3 1 4 0 0 0 2 0 5 0 0 5 Pin No 41 42 43 44 45 46 47 48 49 50 V DC 0 3 0 0 0 1 5 0 0 0 0 0 2 3 Pin No 51 52 53 54 55 56 V DC 2 3 5 0 4 9 0 2 2 7 0 1 Pin No 1 2 3 4 5 6 7 8 V DC 0 0 5 0 0 5 0 5 0 0 5 0 Pin No 1 2 3 4 5 V DC 2 0 0 254 0 18 0 0 Pin No 1 2 3 4 5 6 7 8 9 10 V DC 3 4 12 1 3 4 3 4...

Page 47: ...V DC 0 5 0 1 1 0 8 0 1 8 0 0 0 0 5 Pin No 11 12 13 14 15 16 17 18 V DC 0 3 0 4 9 0 0 4 0 4 0 4 12 1 Pin No 1 2 3 4 5 6 7 8 9 10 V DC 0 8 0 0 0 8 0 0 0 0 0 0 Pin No 11 12 13 14 15 16 17 18 V DC 5 5 71 0 2 0 2 8 2 8 2 8 IC DC VOLTAGE CHARTS APPENDIX ...

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