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  5. Service Manual

Daewoo DV-K211 Series Service Manual

Manual is about: Video Cassette Recorder

Summary of DV-K211 Series

  • Page 1

    Service manual s/m no. : vk811psef0 jan. 2000 daewoo electronics co., ltd. Http : //svc.Dwe.Co.Kr video cassette recorder model: dv-k841dy (vq837) f2gha0 a.

  • Page 2: Electrical Adjustment

    2 electrical adjustment 1. Playback phase adjustment procedure 1. Play back the test tape. (dp-2) 2. Set the oscilloscope to the chop mode. Connect ch1 to the sw pulse (pin 4 of p504) 3. Connect ch2 to the enve signal (pin5 of p504) 4. Insert path jig and press "rec" button on the remote control. 5....

  • Page 3: Specifications

    3 specifications channel coverage input/output jack type general power requirement power consumption temperature operating position dimensions (w x h x d) weight format tape width tape speed maximum recording time with full-size cas- sette ac 230v, 50hz max. 19w (in rec mode) 5×c ~ 35×c (operating) ...

  • Page 4: Voltage Chart

    4 voltage chart pdc/vps ic (ic151, lc74793) pin no. Rec pb 1 0 0 2 2.64 2.68 3 2.68 2.72 4 0 0 5 0 0 6 3.7 3.7 7 3.9 3.9 8 4.98 5.12 9 0 4.74 10 0 0 11 1.63 3.18 12 1.63 3.18 13 0.82 1.35 14 0.01 0.01 15 5.09 5.12 16 2.75 3.02 17 2.55 2.57 18 4.67 4.72 19 5.01 5.02 20 4.99 5.06 21 0 0 22 3.74 3.79 2...

  • Page 5

    5 voltage chart a/v ichip ic (ic301, la71594m) a/v sw ic (ic601, la7148m) pin no. Rec pb pin no. Rec pb pin no. Rec pb pin no. Rec pb 1 2.5 2.5 26 0 - 51 1.9 1.9 76 2.5 2.5 2 2.5 2.5 27 - - 52 2.4 2.4 77 - 0 3 2.5 2.5 28 - - 53 0 0 78 2.5 2.5 4 2.5 2.5 29 0.8 0.8 54 2.4 2.4 79 2.5 2.5 5 2.5 2.5 30 0...

  • Page 6

    6 voltage chart hi-fi ic (ic251, tda9605h) pin no. Rec pb pin no. Rec pb pin no. Rec pb pin no. Rec pb 1 0 0 12 0 0.03 23 3.85 3.81 34 9.42 9.36 2 3.81 3.81 13 3.83 3.83 24 3.86 3.77 35 4.21 0.53 3 3.81 3.81 14 0 0 25 3.86 3.85 36 4.2 0.53 4 0 0 15 3.33 3.31 26 0.74 0.7 37 4.18 0.53 5 0 0 16 4.56 4....

  • Page 7

    7 voltage chart tmi (rf101, lgtmi-slq1-s) pin no. Rec pb pin no. Rec pb pin no. Rec pb pin no. Rec pb 1 4.83 4.9 7 31.9 31.9 13 4.9 0 19 1.08 0 2 0 0 8 1.91 0 14 4.9 0 20 0.23 0.03 3 3.7 3.7 9 0 0 15 0 0 21 2.43 0 4 4.85 4.9 10 0 0 16 31.9 31.9 22 2.01 0.01 5 4 3.9 11 3.9 4 17 0 0 23 2.69 0 6 0 0 12...

  • Page 8

    8 circuit diagram 1. Power circuit diagram (230v only).

  • Page 9

    9 2. Syscon circuit diagram.

  • Page 10

    1 0 3. A/v circuit diagram (pal).

  • Page 11

    1 1 circuit diagram 5. Pif circuit diagram.

  • Page 12

    12 circuit diagram 6. Hifi & sw circuit diagram.

  • Page 13

    1 3 circuit diagram 7. Sw circuit diagram.

  • Page 14: Disassembly

    14 disassembly 1. Packing ass’y.

  • Page 15

    28 disassembly dv-k 841d (vq837) dv-k861d series.

  • Page 16

    16 disassembly 3. Instrument disassembly 3-1. Top cover removal ( fig.1 ) 1) remove five (5) screws holding the top cover. 2) carefully lift the back of the top cover and slide to the rear to remove..

  • Page 17

    17 disassembly 3-2. Front panel removal ( fig.2 ) 1) remove the top cover. 2) release seven (7) tabs holding the front panel. 3) remove the front panel..

  • Page 18

    18 disassembly 3-3. Bottom cover removal ( fig.3 ) 1) remove the top cover and front panel. 2) remove three (3) screws. 3) release four (4) tabs and lift out the bottom cover..

  • Page 19

    19 disassembly 3-4. F/l door removal ( fig.4 ) 1) open the f/l door 90 ° . 2) remove the f/l door in the direction of arrow..

  • Page 20

    20 disassembly 3-5. Cover pre-amp / deck as removal ( fig.5 ) 1) remove five (5) screws. 2) disconnect the connector and fpc. 3) pull out the deck as and cover pre-amp in the direction of arrow..

  • Page 21

    21 disassembly 3-6. Pcb main as removal ( fig.6 ) 1) remove two (2) screws. 2) release three (3) tabs and lift out the main pcb in the direction of arrow..

  • Page 22: Electrical Parts List

    22 electrical parts list 1. Pcb main as loc. Part-code part-name part-desc. 3 pvmcass097 chassis main as dv-k821sy-aq a001 97p0610600 chassis main hi-ps(hb) a0011 97p0800600 leg sbr 80 blk a0012 7173401211 screw tapptite tt2 bin 4x12 mfzn a002 97p9340000 label spec pe film (all model) a014 97p244560...

  • Page 23

    23 d824 d31dq06--f diode schottky 31dq06-fc5 * h501 1gp1u291u- ic unit r/receiver gp1u291u(38khz) * h502 dk829d---- led display k829d-odm-h022-hifi ic361 1ta1238n-- ic secam.L ta1238n * ic502 1ka3082--- ic driver ka3082b jk601 97p6313300 jack double scart dsam-9621 jk605 97p6314900 jack pin dpam-982...

  • Page 24

    24 c349 hclk750jca c chip cera 50v sl 75pf j 2012 c350 hcbk103kca c chip cera 50v x7r 0.01mf k 2012 c351 hcbk103kca c chip cera 50v x7r 0.01mf k 2012 c361 hcbk103kca c chip cera 50v x7r 0.01mf k 2012 c362 hcfk104zca c chip cera 50v y5v 0.1mf z 2012 c363 hcfk104zca c chip cera 50v y5v 0.1mf z 2012 c3...

  • Page 25

    25 q518 t2sc2412kb tr chip 2sc2412k-t146-br q520 t2sc2412kb tr chip 2sc2412k-t146-br rj01 hrf8000-ea r chip 1/8 0 ohm 3216 rj02 hrf8000-ea r chip 1/8 0 ohm 3216 rj03 hrf8000-ea r chip 1/8 0 ohm 3216 rj04 hrf8000-ea r chip 1/8 0 ohm 3216 rj05 hrf8000-ea r chip 1/8 0 ohm 3216 rj06 hrf8000-ea r chip 1/...

  • Page 26

    26 r313 hrft152jca r chip 1/10 1.5k ohm j 2012 r316 hrft563jca r chip 1/10 56k ohm j 2012 r318 hrft102jca r chip 1/10 1k ohm j 2012 r319 hrft105jca r chip 1/10 1m ohm j 2012 r320 hrft471jca r chip 1/10 470 ohm j 2012 r322 hrft155jca r chip 1/10 1.5m ohm j 2012 r324 hrft202jca r chip 1/10 2k ohm j 20...

  • Page 27

    27 c265 cexf1c100a c electro 16v rsm 10mf 4x7 c270 cexf1c100a c electro 16v rsm 10mf 4x7 c272 cexf1c470a c electro 16v rsm 47mf (5x7) tp c273 cexf1c100a c electro 16v rsm 10mf 4x7 c274 cexf1h229a c electro 50v rsm 2.2mf (4x7) tp c275 cexf1c100a c electro 16v rsm 10mf 4x7 c276 cexf1c470a c electro 16...

  • Page 28

    28 q204 tztc3198y- tr ktc3198y-(1815y) (auto) q205 tztc3198y- tr ktc3198y-(1815y) (auto) q206 tzta1266y- tr kta1266y- (auto)(1015y) q301 tztc3198y- tr ktc3198y-(1815y) (auto) q362 tzrc104m-- tr krc104m auto q363 tzta1266y- tr kta1266y- (auto)(1015y) q364 tztc3198y- tr ktc3198y-(1815y) (auto) q365 tz...

  • Page 29

    29 d526 dzn4003--- diode in4003(daebo) d527 dzn4003--- diode in4003(daebo) d531 dzn4148--- diode 1n4148 auto 52mm d532 dzn4148--- diode 1n4148 auto 52mm d533 dzn4148--- diode 1n4148 auto 52mm d534 dzn4148--- diode 1n4148 auto 52mm d535 dzn4148--- diode 1n4148 auto 52mm d536 dzn4148--- diode 1n4148 a...

  • Page 30

    30 r315 rd-az152j- r carbon film 1/6 1.5k ohm j r317 rd-az221j- r carbon film 1/6 220 ohm j r321 rd-az221j- r carbon film 1/6 220 ohm j r333 rd-az101j- r carbon film 1/6 100 ohm j r335 rd-az102j- r carbon film 1/6 1k ohm j r357 rd-az391j- r carbon film 1/6 390 ohm j r361 rd-az102j- r carbon film 1/6...

  • Page 31

    31 r608 rd-az512j- r carbon film 1/6 5.1k ohm j r609 rd-az273j- r carbon film 1/6 27k ohm j r610 rd-az103j- r carbon film 1/6 10k ohm j r614 rd-az750j- r carbon film 1/6 75 ohm j r615 rd-az750j- r carbon film 1/6 75 ohm j r616 rd-az151j- r carbon film 1/6 150 ohm j r617 rd-az151j- r carbon film 1/6 ...

  • Page 32

    32 2-9. Panel option loc. Normal a panel part-code part-name part-desc. Part-code part-name part-desc. P505 97p6269100 conn wafer 00-8283-0712-00000 rj88 hrft000-ca r chip 1/10 0 ohm 2012 sw506 5s50101z97 sw tact skhv10914b 9.5m auto sw507 5s50101z97 sw tact skhv10914b 9.5m auto sw508 5s50101z97 sw ...

  • Page 33

    33 1.Hi-fi 1.Mono loc. 1peri phone part-code part-name part-desc. Part-code part-name part-desc. B001 97p0720200 board ant hi-ps(hb) 97p0720500 board ant hi-ps(hb) jk602 97p6313400 jack scart dsam-9622 jk603 97p6313700 jack pin dpam-9639 q601 tzsr2001-- tr ksr2001 (auto) q602 tzrc104m-- tr krc104m a...

  • Page 34

    34 2-10. Power comp option loc. 30 min. 1 min. Part-code part-name part-desc. Part-code part-name part-desc. C503 cexf1a221v c electro 10v rss 220mf 6.3x11 c508 cexf1a101a c electro 10v rsm 100mf 6.3x7 cexf1c470a c electro 16v rsm 47mf (5x7) tp c519 hcbk103kca c chip cera 50v x7r 0.01mf k 2012 c524 ...

  • Page 35: Μ-Com Port Description

    35 µ-com port description no name port i/o assignment active cn 1 cap i lim p110/an8 o this port is usually open but outputs the capstan stop state of frame advance l deck(capstan) 2 shuttle data1 p77/an7 i shuttle data input a/d shuttle ass’y 3 pwr fail/ p76/an6 i when power is disconnected this po...

  • Page 36

    36 20 seg 2 p55/rtp25 o segment 2 pulse led display 21 seg 3 p54/rtp24 o segment 3 pulse led display 22 seg 4 p53/rtp23 o segment 4 pulse led display 23 seg 5 p52/rtp22 o segment 5 pulse led display 24 seg 6 p51/rtp21 o segment 6 pulse led display 25 seg 7 p50/rtp20 o segment 7 pulse led display 26 ...

  • Page 37

    37 56 eds in p07 i osd eds video input 57 nua nua gnd 58 c sync p06 i composite sync data input pulse video 59 n.C p05 60 ii c data p04/out1 i/o eeprom, pdc, nicam, pif, sw, hifi data serial 61 ii c clk p03/out2 o eeprom, pdc, nicam, pif, sw, hifi clk serial 62 cap f/r p02 o capstan motor forward(l)...

  • Page 38

    38 89 dfg p81/drfgin i drum fg input pulse deck(drum) 90 dpg drpgin i drum pg input pulse deck(drum) 91 amp vrefout amp vrefout amp vrefout 92 amp vrefin amp vrefin amp vrefin 93 c p80/c 94 ctl- ctl- ctl - 95 ctl+ ctl+ ctl + 96 amp c amp c 97 ctl amp ctl amp o ctl amp output path jig 98 amp vcc amp ...

  • Page 39: Service Mode

    39 service mode 1. Service mode item osd remarks 1. Press the [menu] button to go to [main menu] screen and press the number [484] in sequence then go to [service mode] screen. 2. English only for this special menu. 3. The [service mode] composes the followings. 1) svc mode for repair 2) timer check...

  • Page 40

    40 service mode 2. Svc mode for repair 2 - 1. Error check mode item osd remarks 1. Press the number 1 button , then osd 1 is displayed in the initial svc mode screen. 2. Press the number 3 button , then osd 2 is displayed in the initial svc mode for repair screen. It can be selected in tape out stat...

  • Page 41

    41 service mode 2 - 2. Deck jig connection mode 2 - 3. Ee mode without deck 3. Timer check mode 3 - 1. Fast clock operation item osd remarks 1. Press the number 1 button, off ¡ ê on is toggled in the svc mode for repair screen. * the initial state is set to off mode. Item osd remarks 1. Press the nu...

  • Page 42

    42 service mode 4. Change of eeprom data 5. Change of eeprom data during pb mode 6. Change of eeprom data during slow mode item osd remarks * [change of eeprom data] is used to change the video/audiocharacteristic data. 1. Press number [3] button to activate the mode. 2. Press [ ¡ç ] button to move ...

  • Page 43

    43 service mode 7. The method to initialize the video data 1. When [484] is sequentially pressed in menu mode, the service mode is activated. 2. Choose “change of video data” by pressing [3]. 3. The input video signal should be pal or null signal and the speed should be sp. 4. Change the first 2bits...