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  5. Service Manual

Daewoo DS-2000D Service Manual - Table Of Contents

Other manuals for DS-2000D: Owner's Manual, User Manual

Summary of DS-2000D

  • Page 1

    Service manual model ds-2000n caution : before servicing this chassis, read the "product safety service for video products" section on page 2 of this manual. Dvd and cd player.

  • Page 2: Sepecification

    Dvd video player general signal system laser frequency response signal/noise ratio power supply power consumption dimensions operating temperature weight audio distortion+noise channel separation dynamic range video outputs s-video outputs audio outputs (digital audio) audio outputs (analog audio) o...

  • Page 3

    Caution: do not attempttomodifythisproductinanywayand n e v e r p e r f o r m c u s t o m i z e d i n s t a l l a t i o n s w i t h o u t manufacturer'sapproval. Unauthorizedmodificationswill not only void the warranty, but may lead to your beingliable for anyresultingpropertydamageoruserinjury. Ser...

  • Page 4: Servicing Precautions

    Caution : before servicing the dvd covered by this service data and its supplements and addendums, read and follow the : if unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions in this publications, always follow the safety precaution...

  • Page 5: Table Of Contents

    Table of contents 1. Controls and functions 1 2. Electrical adjustments 3. Electrical trouble shooting guide 4. Waveeforms on video circuit 5. Action of port 6.Voltage chart 7. Circuit diagram 8. Components location guide on pcb bottom view 9. Disassembly 10. Electrical parts list 4 5 16 22 26 30 34...

  • Page 6

    3 7 4 5 1 2 8 9 6 front panel power disc tray play stop skip/search pause display 1 2 4 5 6 7 8 9 1 3 1. Controls and functions open/close remote sensor.

  • Page 7

    Cd indicator play indicator pause indicator title indicator remain indicator chapter/track indicator lock indicator program indicator angle indicator dolby digital indicator repeat play indicator track calendar dvd indicator title/chapter/track indicator hour indicator minute indicator second indica...

  • Page 8

    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 osd dimmer number buttons ff/fr set up title play/enter prev/next(skip/search) stop directions system language mute volume(-/+) subtitle audio mode a-b repeat repeat menu pause/step slow play zoom remain resume time sea...

  • Page 9: 2. Electrical Adjustments

    2. Electrical adjustments all circuits needn't adjust if you find clock (27.000mhz) is changed, only trim cap c004 beside the crystal osc g102. 4.

  • Page 10

    Connectionoftheunitiscorrect. Isfluoresce displaycorrect? Is power normal? Is open/close normal? Candisc be read? Isvideonormal? Is audio normal? Normal operation. Setting of the unit iscorrect refer to audio . Guide refer to video . Guide refertoreaddisc . Guide refertoopen/close . Guide refertodis...

  • Page 11

    F301 is open. Xp301 is open. Xp302 is open. Power cord isn't inserted firmly or power cord is open. Start normal is c328 ac 220v? Is c301 dc 310v? Is xp303 normal? Checkiftransformeris damaged. Checksecondary commutecircuit. Check secondaryfeedback circuit. Check if secondary short. Check v304. Repl...

  • Page 12

    Start normal does thescreen appear? Is display normal? Checkifvoltage of screen f1andf2is3.3v. Check if voltage of 34 pin of upd16311is-24v. Check groundednegativevoltage of screen f1 and f2. Replace upd16311. Check if connectioncordbetweenscreen and mainboard is broken? Check if upd16311pinisconnec...

  • Page 13

    C open/close abnormal 8.

  • Page 14

    Disc in normal focus on? Doesthediscturn? Islasernormal? Can toc beread? Refer to focus guide. Refer to focus . Guide refer to laser . Guide refer t o t o c . Guide yes yes yes yes no no no no d read disc abnormal 9.

  • Page 15

    Is voltageofxs109normal? No picture, no sound. Nopicture, have sound. Have picture, no color or color disappearedduring playback . Havepicture, but picture disappearedduring playback . Checkconnectionbetween video encoder and xs109. Checkjack of output board or replace mainboard. Check main boardand...

  • Page 16

    Havepicture, no sound check if voltage o f r , l p i n of xp202 is normal is n202 and n203signal output? Istransistor v208 and v209 for mute usage brokendown? Normal replace transistor check 4558andsurrounding components check connectionbetween r, l pinofxp202 and pcm1723 yes yes yes no no no f audi...

  • Page 17

    No focus normal check fcs+ and fcs- of xs100. Does normal voltage a t d107pin33, 34? Does dataoutput at d101 pin 93? Does dataoutput at d108pin27-31? 1. Check connection between 33, 34pin of cxd3008q and fcs+, fcs- of xs100. 2. Check if g101, g102 normal operation. 3. Check cxd3008q and peripheral c...

  • Page 18

    No laser normal isldpinofxs100 4.5v? Does voltage at d111 pin 22? Does normal voltage at d108 p i n 7 ? 1. Checkconnectionbetweenpickup and mainboard. 2. Replace pickup. 1. Check connection between cxd1889 of pin ld and xs100. 2. Check cxd1889andperipheral components. 1. Checkconnection between cpu ...

  • Page 19

    Disc doesn't turn. Normal check if voltage of sp+ and sp- of xs103aredifferent. Check if voltage o f 11 and 12pinofd113aredifferent. Check if voltage o f 1 4 4 p i n of d101 is normal. Checkifvoltage of 91-99 pin, 24-31 pin of d108 is normal. 1. Check connections between cpu address bus, data bus an...

  • Page 20

    Toc doesn't read. Normal limited switch is closed. Is laser on? Is foknormal? Does normal voltage at d111 pin 57? Have sound, no picture. Havepicture, nosound. 1. Check atapi channel. 2. Check svd3811 andperipheral components. 3. Check bt865andperipheral components. 4. Check connection between svd38...

  • Page 21

    4. Waveforms on video circuit 16.

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    17.

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    18.

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    19.

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    20

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    21.

  • Page 27: 5. Action Of Port

    5. Action of port bt865 pin description pin no. Pin name i/o 1 fsadjust i 2 vbias o 3 vref o 4 vaa - 5 comp o 6 cvbs/b agnd 7 cvbs/g agnd 8 cvbs/b o 9 c/r agnd 10 cvbs/g o 11 y/cvbs agnd 12 c/r o 13 y/cvbs o 14 rgbout i 15 field o 16~21,24,25 y[0:7] i 22,36,45 gnd - 23,37, 46 add - 26 altaddr i 27 t...

  • Page 28

    Cxd 1866 pin description pin no. Pin name i/o 1 mdb3 i/o 2 vss 3 mdb4 i/o 4 mdb5 i/o 5 mdb6 i/o 6 mdb7 i/o 7 xmwr o 8 xras o 9 vdd 10 vss 11 ma0 o 12 ma1 o 13 ma2 o 14 ma3 o 15 ma4 o 16 ma5 o 17 ma6 o 18 vss 19 ma7 o 20 ma8 o 21 ma9 o 22 ma10 o 23 ma11 o 24 vdd 25 xmoe o 26 xcas o 27 mdb8 i/o 28 mdb...

  • Page 29

    Pin no. Pin name i/o 73 xpdi i 74 vdds 75 ha0 i 76 ha2 i 77 hcs0 i 78 hcs1 i 79 dasp i/o 80 vss 81 c2po i 82 xrci i 83 wfck i 84 scor i 85 sbin i 86 vdds 87 exck o 88 grst o 89 senin i 90 vss 91 vdd 92 sclkout o 93 datout o 94 xltout o 95 clkout o 96 gscor i 97 ifs0 i 98 ifs1 i 99 tst0 i 100 tst1 i ...

  • Page 30

    Pin no. Pin name i/o 147 mdin1 i 148 vcca 149 clvs o 150 mdsout o 151 mdpout o 152 apeo o 153 vss 154 gfs o 155 vcoin-ext i 156 vdd 157 vss 158 dbck o 159 blck i 160 vdd 161 ddat o 162 mdat i 163 dlrc o 164 lrck i 165 vdd5v 166 xtl2 o 167 vss 168 xtl1 i 169 xrst i 170 vdds 171 d0 i/o 172 d1 i/o 173 ...

  • Page 31: 6. Voltage Chart

    6. Voltage chart doo1 vs2811e pin no. Voltage 1 3.8v 9 3.8v 11 3.8v 18 3.8v 27 3.8v 35 3.8v 44 3.8v 51 3.8v 59 3.8v 68 3.8v 75 3.8v 83 3.8v 92 3.8v 99 3.8v 104 3.8v 121 3.8v 130 3.8v 139 3.8v 148 3.8v 157 3.8v 164 3.8v 172 3.8v 183 3.8v 193 3.8v 201 3.8v d008 bt865 pin no. Voltage 1 1.34v 2 2.9v 3 1...

  • Page 32

    Pin no. Voltage 44 22mv 45 22mv 46 4.8v 47 4.8v 48 4.8v 49 4.8v 50 4.5v 51 16mv 52 12mv d009 74hc04. Pin no. Voltage 1 24mv 2 3.8v 3 24mv 4 3.8v 5 24mv 6 3.8v 7 24mv 8 3.8v 9 9.3 10 16v 11 / 12 / 13 / 14 3.8v d101 1866 pin no. Voltage 1,3~8,11~17,19~23,25~29,31,32,34~3 6,97~101,106~108,111,112,114~1...

  • Page 33

    D111 1889 pin no. Voltage 1 3.3v 2 3.3v 3 2.4v 4 2.4v 5 3.3v 6 3.3v 7 3.3v 8 3.3v 9 3.3v 10 3.3v 11 2.6v 12 2.5v 13 2.6v 14 2.5v 15 2.8v 16 2.5v 17 4.1v 18 2.4v 19 4.3v 20 4.1v 21 173mv 22 3.2v 23 2.4v 24 4.8v 25 0.5v 26 2.4v 27 2.4v 28 4.8v 29 60mv 30 2.4v 31 2.4v 32 4.8v 33 2.4v 34 2.4v 35 2.4v 36...

  • Page 34

    D113 5983 pin no. Voltage 1 2.5 2 1.7v 3 1.7v 4 2.4v 5 1.9v 6 1.9v 7 2.4v 8 18mv 9 17mv 10 2.9v 11 7.6v 12 3.8v 13 3.8v 14 3.8v 15 3.8v 16 3.5v 17 3.5v 18 3.6v 19 3.4v 20 7.6v 21 2.98v 22 18mv 23 18mv 24 2.5v 25 1.2v 26 1.2v 27 2.5v 28 2.2v 29 2.2v 30 7.6v d114 2901 pin no. Voltage 1 103mv 2 9.2mv 3...

  • Page 35

    7. Circuit diagram 30

  • Page 36

    Kl 2 kl 1 kl 3 kl 0 kl 4 ccs kl 5 ki/o 0 ki/o 1 ki/o 2 ki/o 3 ki/o 4 ki/o 5 ki/o 6 ki/o 0 kl 6 kl 7 rem v dd sel osco oscl v ss lmp 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 pt2222 infraredremotecontroltransmitter(s) the pt2222 is remote control transmitters utilizing cmos techn...

  • Page 37

    Application circuits pin description pin name i/o description pin number pt2222-00x vss ki ku 0 3 ki ku 4 7 rem v dd sel osco osci ccs lmp - i i o - i o i i - i/o power supply key input pin nos. 0 3 key input pin nos. 4 7 data output pin power supply select pin oscillator pin oscillator pin output l...

  • Page 38

    Order information valid part number package pt2221-001 pt2221-002 pt2222-001 pt2222-002 20 pins, so 20 pins, so 24 pins, so 24pins, so pt 2222 - 00x ptcprefix product number versionnumber: (001, 002) 33.

  • Page 39

    8. Components location guide on pcb bottom view 34.

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    35.

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    36.

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    37.

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    38.

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    39.

  • Page 45

    Daewoo - 2000n 9. Disassembly 36 power button board 1 35 b5437 top panel bracket 1 34 a2774 screw st3 10ft 4 33 s2096 power board 1 32 b3780 clip 1 31 b3183 wire clip 4 30 b5484 mechanism spacer 4 29 s2428 mechanism ass’y 1 28 a2779 screw st3 14 4 27 b3767j top panel 1 26 a2761 screw st3 6 7 25 s265...

  • Page 46: 10. Electrical Parts List

    10. Electrical parts list ds-2000n total parts list no. Part code part name q’ty 1 s2428 dvd210 loader 1 2 d3838k operate board 1 3 ds4.12 decoding board 1 4 s2096 ad20a power board 1 5 s2108 pout-830-212 output board 1 6 ds-2000n instructions manual 1 7 ds-2000 wire 1 8 s2655 av cord rca cord audio...

  • Page 47

    Ref. Part code part name q’ty r213,r217,r232, r238, g0712 rt13-0.167w-100 5% 4 r214,r231,r236 g0748 rt13-0.167w-47k 5% 3 r215,r216,r237, r251,r252 g0728 rt13-0.167w-4.7k 5% 5 r220,r229,r234, r235 g0735 rt13-0.167w-10k 5% 4 r221,r222,r233 g0773 rt13-0.167w-200 5% 3 r223 a0519 ry15-1w-15 5% 1 r227,r22...