Daewoo DTW - 28W2F Service Manual Download Page 16 | Manualshive

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Daewoo DTW - 28W2F Service Manual Download Page 16

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PRINTED CIRCUIT BOARD

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Summary of Contents for DTW - 28W2F

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 EU...

Page 2: ...ATIONS 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 dw...

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...

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 Swit...

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: ...e 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...

Page 9: ...enerator 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...

Page 10: ...t 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 U...

Page 11: ...tma 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...

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

Page 13: ...12...

Page 14: ...X44 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...

Page 15: ...EAT 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 71...

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

Page 17: ...0 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...

Page 18: ...PA02 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 LIN...

Page 19: ...A 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 HCFK103...

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...

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 DE...

Page 22: ...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 5X...

Page 23: ...PPING 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...

Page 24: ...ZCA 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 CH...

Page 25: ...RT 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...

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 P...

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: ...ontroller 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 WF...

Page 29: ...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 crys...

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

Page 31: ...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 Horizont...

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 CC...

Page 33: ...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...

Page 34: ...nalog 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 digi...

Page 35: ...e 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 co...

Page 36: ...f 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 Cap...

Page 37: ...stive 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...

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...

Page 39: ...peration 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 Out...

Page 40: ...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 Po...

Page 41: ...a 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 def...

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 Ran...

Page 43: ...ed 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 B...

Page 44: ...nformatoion 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...

Page 45: ...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...

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...

Page 47: ...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...

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