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Daewoo DG-R520 Service Manual

Manual is about: DVD Recorder

Summary of DG-R520

  • Page 2: Contents

    1 1 specifications..............................................................................................................................................3 block diagram................................................................................................................................

  • Page 3

    2 dw-q73d2n-ls/dvr06/dvr08/dg-r520/dg-r521 dvr07.

  • Page 4: Specifications

    3 specifications dvd recorder specification sheet(preliminary) north america bs mtk/sony traverse broadcast system ntsc o (tv system) pal x pal-m/ntsc x pal-n/ntsc x regional code region code 1 playable disc dvd (pal) o format dvd (ntsc) o audio-cd(cd-da) o cd-r/-rw o mp3 decoding o mp3 id3 tag x dv...

  • Page 5

    4 specifications dvd recorder specification sheet(preliminary) north america bs mtk/sony traverse record mode vr mode ( +rw ) hq(60 min) o 4 .7giga dvd +r/rw dksc ( -rw, ±r after finalize ) sp(120 min) o ep(240 min) o sep(480 min) o video mode hq(60 min) o sp(120 min) o ep(240 min) o sep(480 min) o ...

  • Page 6

    5 specifications dvd recorder specification sheet(preliminary) north america bs mtk/sony traverse convenience zoom o marker x marker search x closed caption x resume o initial logo o screen saver x parental lock o subtitle still o auto play o program play (favorite program) x random play o pbc on/of...

  • Page 7

    6 specifications dvd recorder specification sheet(preliminary) north america bs mtk/sony traverse main solution remarks region(sales area) buyer model(buyer) dvr06 timer record 8pgm/1m otr(one toutch timer record) o 3 0min (max 8hr) function osd on/off o cm skip(30sec skip) x vcr plus+(north america...

  • Page 8

    7 specifications dvd recorder specification sheet(preliminary) north america bs mtk/sony traverse front panel tool no display led power on/off o open/close o play/pause o stop o prev o next o rec o channel up o channel down o front av input o s-video input x pcmcia x multi memory card slot x usb x d...

  • Page 9

    8 dvd recorder specification sheet(preliminary) north america bs mtk/sony traverse main solution remarks region(sales area) buyer model(buyer) dvr06 digital video out dvi x hdmi x ieee1394 x video input composite o component rca type(y/pb/pr) o scart 1 (composite/rgb switchable) x scart 2 (by-pass) ...

  • Page 10

    9 block diagram 5 5 4 4 3 3 2 2 1 1 d d c c b b a a micom ic601 tuner mts a-sw ic103 njm4052bm buffer rf101 ic la72702 ic ic101 q210 ic102 v-sw ic (njm4051bm) c/s s-clock s-in s-out iic_clk iic_data iic_clk iic_data iic_data normal_audio normal_audio a-r a-l rf_video line1_video(from_jack_701) for_r...

  • Page 11

    10 block diagram 5 5 4 4 3 3 2 2 1 1 d d c c b b a a mpeg2 cs4344 adr/ctl audio dac data reset ddram(256m bit) dv 1394 input cvbs in from analog board flash 16m bit codec adr/ctl mt8105 tsb41ab1 data option audio adc cs5340 audio r in form analog board remocon receiver arsdat arclk arlrck arbck asda...

  • Page 12

    11 block diagram.

  • Page 13

    12 block diagram.

  • Page 14

    13 block diagram p201 p201 ic201 a-sw(njm4052bm) ic101.

  • Page 15

    14 block diagram.

  • Page 16

    15 block diagram.

  • Page 17

    16 block diagram.

  • Page 18

    17 block diagram.

  • Page 19

    18 schematic diagram.

  • Page 20

    19 schematic diagram.

  • Page 21

    20 schematic diagram.

  • Page 22

    21 schematic diagram.

  • Page 23

    22 schematic diagram.

  • Page 24

    23 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 +5v_stby +12v_o/f +3v3_stby +3v3_o/f +5v_o/f sdv25 +3v3_stby +1v8_stby +1v8_stby +12v_o/f +5v_stby +12v_o/f +3v3_o/f vcc +3v3_stby +5v_stby +3v3_stby +3v3_o/f power_on(l)_dvd [ 2 ] cc13 0.1uf cc13 0.1uf cc26 0.1uf cc26 0.1uf + cc16 220uf/16v +...

  • Page 25

    24 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 a_d qs1 vc s-cs rst sd a sd at a-ou t sc l vc lk scl usbm1 phy_ctl11 vdata-in phy_lreq1 vclk phy_ctl01 rst sda vstb phy_sclk usbp1 vr ef p a_dqs1 piderst# f_a[0..22] a_cke a_c ke a_clk# a_d q6 a_d q2 a_d q1 f_a[0..22] apda[0..2] f_a22 f_d[0..7...

  • Page 26

    25 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 d_dqs0 d_dqm0 d_cs# d_cas# d_we# d_ba1 d_ba0 d_dqm1 d_dqs1 d_cke d_clk d_clk# d_ra3 d_ra2 d_ra1 d_ra0 d_ra7 d_ra6 d_ra5 d_ra4 d_ra12 d_ra9 d_ra8 d_ra11 d_ra10 d_dq3 d_dq2 d_dq0 d_dq1 d_dq7 d_dq6 d_dq5 d_dq11 d_dq10 d_dq9 d_dq8 d_dq15 d_dq14 d_...

  • Page 27

    26 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 apiocs16# apdd[0..15] apdiow# piderst# apdd2 apdd1 apdd3 apiordy apdmarq apintrq apdior# apda1 apda0 apdd5 apdd6 apda2 apdmack# apcs1# apdd0 apdd7 apdd4 ide28 apdd[0..15] apdd15 apdd14 apdd13 apdd12 apdd11 apdd10 apda[0..2] apdd9 apdd8 apcs0# ...

  • Page 28

    27 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 33lk 33lk 33phy 33phy + 3 v3_o/f 33lk ixi phy_lps phy_lreq1 ixo phy_sclk ixo tpa0- tpb0+ phy_d0 tpb0- pc2 phy_ctl01 33phy iso tpbias0 phy_ctl11 pc0 phy_d1 ixi tpa0+ pc1 tpa0+ tpa0- tpb0+ tpb0- usbp1 usbm1 reset# +3v3_o/f 33lk 33lk 33phy 33phy ...

  • Page 29

    28 schematic diagram 5 5 4 4 3 3 2 2 1 1 d d c c b b a a adc_vcc adc_vcc vcc adc_vcc adc_vcc +3v3_o/f adc_vcc adc_vcc vcc audio_out(l) [ 4 ] audio_out(r) [ 4 ] audio_in(r) [ 4 ] audio_in(l) [ 4 ] asdat0 [ 2 ] alrck [ 2 ] abck [ 2 ] aclk [ 2 ] arsdat [ 2 ] arclk [ 2 ] arlrck [ 2 ] arbck [ 2 ] vrst# [...

  • Page 30

    29 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 dv25 prst avcc d2.5v vcc d3.3vs d3.3lvds +3v3_o/f rvcc mvcc vcc +3v3_o/f +3v3_o/f prst [ 8 ] reset_mt1818 [ 2 ] digital ground plane rf 5v name gnd_earth mvcc flash & ttl ic gnd_signal motor drive digital 5v power supply gnd_power +5v dvcc mt1...

  • Page 31

    30 schematic diagram 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 a a b b c c d d rfi1 rd[0..15] dv25 18-gio3 18-gio2 piderst# apdd5 apdd4 apdd10 apdd11 apdd1 apdd14 apdd0 apdd7 apdd15 apdd9 apdd12 apdd13 apdd3 apdd2 rf2 rf1 sr3 sr5 hrst# sh1 sh2 wid7 rfs apcs1# apda2 apda0 apcs0# apda1 apdmack# apdd8 apdd6 apdi...

  • Page 32

    31 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 ras1 dqmh1 cas1 rcs1 dqml1 ba0 rwe1 clk1 cke1 clk1 dqmh1 cke1 rcs1 ba0 ba1 ra2 ra0 ra7 rd15 ra10 ra5 rd3 ra6 rd12 ra5 ra4 ra10 rd10 rd5 ra3 rd0 rd11 rd11 ra9 rd2 ra1 rd10 rd8 rd5 ra3 rd6 rd0 ra8 rd9 ra4 ra7 ra9 rd14 rd7 rd1 rd2 ra6 ra2 rd6 ra0...

  • Page 33

    32 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 wid2 rf2 vr 0 st by p uh3 p uh7 sh2 eep_di o vr 1 sr4 sdata fr wid7 rrf1 p uh4 gi o2 wid4 sr2 po6 p uh2 2 vr 2 puh8 p uh1 2 slat wid6 p uh1 led 1 sr3 p uh4 sr6 mclk p uh1 1 po10 wid1 p uh5 eep_cs p uh2 1 sh4 vr 6 p uh2 rf1 vr 5 sr5 p uh3 sr1 s...

  • Page 34

    33 schematic diagram a a b b c c d d e e 4 4 3 3 2 2 1 1 tilt- tilt- tilt+ fr+ 18-gio0 tr+ tr- fr- tilt+ pwm4 hb- hu- a+ b- mute_1 b+ b- a- a+ hu+ hb+ hb- hv+ a- v u hw- b+ load+ w w hv+ pdm2 fg hw- pwm2 tr+ hw+ hv- hu- pwm1 load- fr+ v hu+ hw+ pwm5 pwm3 hv- u mute_2 tr- fr- pdm1 a- b- b+ a+ hv+ hw-...

  • Page 35: Waveforms

    34 waveforms ! ! (p201- ) 2.0vp-p 500mv/10usec/cm rec(s-y) @ (p201- % ) 2.0vp-p 500mv/10usec rec(v-out) # (p201- & ) 2.0vp-p 500mv/10usec rec(y(g)) $ (ic601- g ) 4.8vp-p 1v/20usec c-sync ! (p201- 35 ) 500vp-p 200mv/0.5msec rec(a-out l/r) % (rf101- 3 ) 400vp-p 200mv/20usec rec(sif out) @ (p201- 79 ) ...

  • Page 36

    35 waveforms 1. System waveforms & +3.3v stby >.

  • Page 37

    36 waveforms & +3.3v on/off > & +3.3v on/off > & +3.3v on/off >.

  • Page 38

    37 waveforms 2. Video waveforms(test signal : 100% color bar).

  • Page 39

    38 waveforms 3. Audio waveforms(test signal : 1khz sinewave) : ica02.7&10 >.

  • Page 40

    39 waveforms 4. Front end waveforms.

  • Page 41: Voltage Charts

    40 voltage charts 1. Sw & mts ic voltage chart mode v-sw(ic102) pin no. Stop rec play 1 0.0 0.0 0.0 2 0.0 0.0 0.0 3 2.4 2.3 2.3 4 0.0 0.0 0.0 5 0.0 0.0 0.0 6 0.0 0.0 0.0 7 0.0 0.0 0.0 8 0.0 0.0 2.0 9 0.0 0.0 0.0 10 4.2 4.2 4.2 11 7.6 7.6 7.6 12 2.5 2.5 2.5 13 0.0 0.0 0.0 14 2.5 2.5 2.5 15 2.5 2.5 2....

  • Page 42: Disassembly

    41 disassembly dw-q73d2n-ls/dvr06/dvr08/dg-r520/dg-r521.

  • Page 43

    42 disassembly dvr07.

  • Page 44: Troubleshooting

    43 troubleshooting d806~d809 pj822 is 0 voltage check q821~q827.

  • Page 45

    44 troubleshooting 2. System circuit no led display. Is 5v obtained at ic701 pin # 9, 25? Oscillation at ic701 pin #1? Check l703, pin#6 of pj701 exchange ic701. Check ic 701 pin #6, 7, 8 check ic 701 pin # 10-12,14,15 no yes yes no check pcb no no key output at port of ic701? Is there key/seg signa...

  • Page 46

    45 troubleshooting no broadcasting signal received is the output at ic601 pin# 71(clk), 72 (data) normal? Is sif,video output at tmi(rf101) pin#13,16 normal? Check ic 601. Check ic103. Check ic104 yes yes no no no is sif signal at pin #5 of ic103? Is c-sync signal at pin #58 of ic 601? Check tmi (rf...

  • Page 47

    46 troubleshooting 3. Video circuit a. Ee screen doesn't appear ee mode picture ng is video signal input into jk101? Is 5v supplied at ic102? Is select signal input at pin#10, 11 of ic102? Check jk101, jk701 and rf101. Check power 5v circuit. Check ic601 pin #30,31. No yes yes no no yes is data, clo...

  • Page 48

    47 troubleshooting.

  • Page 49

    48 troubleshooting 12 pin #16 of ic101? At pin #5 of ic103? At pin #5,14 of ic101? At pin #1, 12 of ic101? At pin #17, 18 of ic103? At pin#9,10 of ic103? At pin #20 of ic101? Mode p201 p201 p201.

  • Page 50

    49 troubleshooting.

  • Page 51

    50 troubleshooting.

  • Page 52

    51 troubleshooting.

  • Page 53

    52 troubleshooting.

  • Page 54

    53 troubleshooting.

  • Page 55: Pcb Circuit Board

    54 pcb circuit board analog board parts.

  • Page 56

    55 pcb circuit board power board parts.

  • Page 57

    56 pcb circuit board front pannel parts(dw-q73d2n-ls/dvr06/dvr08/dg-r520/dg-r521).

  • Page 58

    57 pcb circuit board front pannel parts(dvr07).

  • Page 59

    58 pcb circuit board ¥ mpeg system parts.

  • Page 60

    59 pcb circuit board ¥ mpeg video parts.

  • Page 61

    60 pcb circuit board ¥ mpeg audio parts.

  • Page 62

    61 pcb circuit board ¥ mpeg frontend parts.

  • Page 63: Electrical Partslist

    62 loc part code part name part description remark 01 pvacpsn731 accessroy as dc-b8cb1n-ps(n619,aaa dp01 97p95600n0 manual owerns ntsc model dp02 97p880rn15 cable rf ntsc 1.5m dp03 97p0424100 cover accessory ld-pe t0.05 dp04 486a716202 battery aaa 1.5v(supergard) dp08 97p880p815 cable rca 3p-3p wel-...

  • Page 64

    63 electrical partslist loc part code part name part description remark r107 hrfs102jba r chip 1/16 1k ohm j 1608 r108 hrfs474jba r chip 1/16 470k ohm j 1608 r109 hrfs474jba r chip 1/16 470k ohm j 1608 r110 hrfs474jba r chip 1/16 470k ohm j 1608 r111 hrfs474jba r chip 1/16 470k ohm j 1608 r112 hrfs1...

  • Page 65

    64 electrical partslist loc part code part name part description remark rj003 hrf8000-ea r chip 1/8 0 ohm 3216 rj004 hrf8000-ea r chip 1/8 0 ohm 3216 rj005 hrf8000-ea r chip 1/8 0 ohm 3216 rj006 hrf8000-ea r chip 1/8 0 ohm 3216 rj007 hrf8000-ea r chip 1/8 0 ohm 3216 rj008 hrf8000-ea r chip 1/8 0 ohm...

  • Page 66

    65 loc part code part name part description remark r232 rd-az750j- r carbon film 1/6 75 ohm j r234 rd-az750j- r carbon film 1/6 75 ohm j r236 rd-az750j- r carbon film 1/6 75 ohm j r240 rd-4z751j- r carbon film 1/4 750 ohm j r241 rd-4z751j- r carbon film 1/4 750 ohm j r242 rd-4z751j- r carbon film 1/...

  • Page 67

    66 electrical partslist loc part code part name part description remark jp102 85801065gy wire copper awg22 1/0.65 tin coating jp103 85801065gy wire copper awg22 1/0.65 tin coating jp104 85801065gy wire copper awg22 1/0.65 tin coating jp105 85801065gy wire copper awg22 1/0.65 tin coating jp106 858010...

  • Page 68

    67 electrical partslist loc part code part name part description remark ca22 hcbk182kba c chip cera x7r 50v 1800pf k 1608 cc06 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc08 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc10 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc12 hcfh104zba c chip cera 25v...

  • Page 69

    68 electrical partslist loc part code part name part description remark cm23 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cm25 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cm26 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cm27 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cm28 hcfh104zba c chip cera 25v ...

  • Page 70

    69 electrical partslist loc part code part name part description remark cs37 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cs38 hcff105zba c chip cera 16v y5v 1mf z 1608 cs39 hcff105zba c chip cera 16v y5v 1mf z 1608 cs40 hcff105zba c chip cera 16v y5v 1mf z 1608 cs41 hcff105zba c chip cera 16v y5v 1m...

  • Page 71

    70 electrical partslist loc part code part name part description remark ra21 hrfs101jba r chip 1/16 100 ohm j 1608 ra22 hrfs101jba r chip 1/16 100 ohm j 1608 ra23 hrfs472jba r chip 1/16 4.7k ohm j 1608 ra24 hrfs472jba r chip 1/16 4.7k ohm j 1608 rc57 hrfs101jba r chip 1/16 100 ohm j 1608 rc58 hrfs47...

  • Page 72

    71 electrical partslist loc part code part name part description remark rm08 hrfs330jba r chip 1/16 33 ohm j 1608 rm09 hrts8e330j r chip array 1/16 8p 33 ohm j 3216 rm10 hrfs330jba r chip 1/16 33 ohm j 1608 rm11 hrfs330jba r chip 1/16 33 ohm j 1608 rm12 hrfs330jba r chip 1/16 33 ohm j 1608 rm13 hrfs...

  • Page 73

    72 electrical partslist loc part code part name part description remark ap01 2193100801 solder wire sn:pb=63:37 3pi(no flux) ap02 2193011100 solder wire 60 sna 1.2d ap03 2291050305 flux liquid rf-800kn ap04 2291050306 flux thinner rf-800add ap05 2291140501 wax cover c801 cl2ee3104m c line across ac ...