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Daewoo DF-4100 Service Manual

Other manuals for DF-4100: User Manual
Manual is about: DVD Recorder

Summary of DF-4100

  • Page 1

    ✔ caution : in this manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to ppl(parts price list) in service information center (http://svc.Dwe.Co.Kr). Sep, 2004 service manual dvd recorder mode...

  • Page 2

    1 specifications ...............................................................................................................2 trouble shooting....................................................................................................................3 waveforms .............................

  • Page 3

    2 troubleshooting 3 specifications general power requirements 200–240v~, 50/60 hz power consumption 32w dimensions (approx.) 16.9 x 3.54 x 14.0 inches (430 x 91 x 354 mm) (w x h x d) mass (approx.) 13.5 lbs (6.18 kg) operating temperature 41°f to 95°f (5°c to 35°c) operating humidity 5% to 90% signa...

  • Page 4

    5 troubleshooting 4 troubleshooting . 32 31 ic501 ic501 ic501 ic501 ic501 ic501 ic502 ic502 61 2. System circuit 25 ic501 ic501 (pin14).

  • Page 5

    7 troubleshooting 6 troubleshooting b. Digital board.

  • Page 6

    9 troubleshooting 8 troubleshooting noise appears on the playback screen. Is noise diminished by tracking adjustment. Noise band is trembled up and down? Re-adjust path. Is the height of ctl head normal? No dust? Is there problem in ctl input circuit and amplifier. Yes no no no is there ctl pulse at...

  • Page 7

    11 troubleshooting 10 troubleshooting cassette tape isnÕt inserted. Is 5v voltage obtained at loading parts ic501 pin#63? Is 14v voltage obtained at capstan motor p501 pin#2? Check at ever 14v check q850. Connect capstan and loading motor. Check connector and capstan motor. Yes no no no is 13v volta...

  • Page 8

    13 troubleshooting 12 troubleshooting 3. Video circuit a. Ee screen doesnÕt appear ee mode picture ng is video signal input at ic301 pin#48,50,52,54? Is 5v supplied at pin#42,55,72,91of ic301? Is c.S, data, clock signal input pin#67,68,69 of ic301? Check if and scart jack. Check power circuit. Check...

  • Page 9

    15 troubleshooting 14 troubleshooting 2) no dvd playback picture yes are there video output signal at jk601, jk101, jk102. No dvd video signal are there video signal at pin #1,3,5,7,9,11 of p100? No no check pc01, icn01(cvbs out, y/c out, component out) cvbs: check pin #61 of ic301 rgb : check pin #...

  • Page 10

    17 troubleshooting 16 troubleshooting is +5v supplied at ic301 pin#91? No no yes yes is video sw pulse input at ic301 pin#70? Is rec signal output from ic301 pin#94,95,89,90? Lp mode: 89,90 pin sp mode: 94,95pin check video head and connector. Is signal input into ic301 pin# 48,50,52,54,56? Check po...

  • Page 11

    19 troubleshooting 18 troubleshooting b. Av1 e-e no sound in av1 e-e mode. No check input av1 jack is audio signal at ic251 pin#6, 7? Is audio signal output at ic602 pin #3, 13? Is audio signal output at ic251 pin#16,17? Are clk and data obtained at ic251 pin#42,43? No is 5v obtained at ic251 pin#40...

  • Page 12

    21 troubleshooting 20 troubleshooting e. Front e-e no sound in front e-e mode. No check input front jack is audio signal at ic251 pin#10,11? Is audio signal output at ic602 pin #3, 13? Is audio signal output at ic251 pin#19, 20? Are clk and data obtained at ic251 pin#42,43? No is 5v obtained at ic25...

  • Page 13

    23 troubleshooting 22 troubleshooting b. No normal audio playback in record/playback mode(check in rec mode) no normal audio playback in record/playback mode are there audio signal at ic251 pin#2~11? Is there recording signal at ic251 pin#21? Check input scart jack. Check input front jack. Check icd...

  • Page 14

    25 waveforms 24 troubleshooting d. No hi-fi playback in record/playback mode (rec mode) are there audio signal at ic251 pin#2~11? Is fm osc signal at ic251 pin#36? Check input scart jack. Check input front jack. Check icd02(dvd). Replace drum. Yes no no no is fm osc signal at p401 pin#2? Replace ic2...

  • Page 15

    26 27 waveforms waveforms 2. Audio 2-1 audio(normal) 2-2 audio(hi-fi) * (ic301-15) 100mvp-p 20mv/0.5msec/cm rec ( (ic301-11) 1.5vp-p 0.5v/0.5msec/cm rec ) (ic301-100) 2.3vp-p 0.5v/0.5msec/cm rec 1 (ic301-8) 120mvp-p 50mv/0.5msec/cm play 2 (p202-2) 75vp-p 10v/20 µ sec/cm rec 3 (ic251-2) 80mvp-p 20mv/...

  • Page 16

    28 circuit diagram 1. Servo & syscon schematic diagram(dvdr+vcr).

  • Page 17

    29 circuit diagram 2. Av ic schematic diagram(dvdr+vcr).

  • Page 18

    30 circuit diagram 3. Hi-fi & sw & in out circuit schematic diagram(dvdr+vcr).

  • Page 19

    31 4. Adc/dac/video amp circuit diagram.

  • Page 20

    32 circuit diagram 5. Pif circuit diagram.

  • Page 21

    33 circuit diagram 6. Front part schematic diagram.

  • Page 22

    34 circuit diagram 7. Power supply schematic diagram.

  • Page 23

    35 circuit diagram 8. 8602 codec.

  • Page 24

    36 circuit diagram 9. Termination.

  • Page 25

    37 circuit diagram 10. Ddr/sdram.

  • Page 26

    38 circuit diagram 11. Rst/av/elink/connector.

  • Page 27

    39 circuit diagram 12. Flash/atapi.

  • Page 28

    40 circuit schematics 13. 1394 phy.

  • Page 29

    41 circuit schematics 14. Power connector.

  • Page 30

    42 circuit schematics 15. Video decorder (saa7115).

  • Page 31

    43 pcb circuit board 1. Main pcb.

  • Page 32

    44 pcb circuit board 2. Front panel pcb.

  • Page 33

    45 pcb circuit board 4. Mpeg pcb 3. Power pcb.

  • Page 34

    47 instrument disassembly 46 instrument disassembly.

  • Page 35

    49 electrical partslist 48 electrical partslist loc parts code parts name parts description remark 01 pvacpsd340 accessory as f342dy(bt:aaa)4 dp01 97p95600d0 manual owners ec model dp02 97p881rp10 cable rf pal 1.0m dp03 97p0424100 cover accessory ld-pe t0.05 dp04 486a716202 battery aaa 1.5v(supergar...

  • Page 36

    Loc parts code parts name parts description remark r551 hrfs104jba r chip 1/16 100k ohm j 1608 r553 hrfs203jba r chip 1/16 20k ohm j 1608 r587 hrfs000-ba r chip 1/16 0 ohm 1608 r601 hrfs153jba r chip 1/16 15k ohm j 1608 r602 hrfs391jba r chip 1/16 390 ohm j 1608 r603 hrfs391jba r chip 1/16 390 ohm j...

  • Page 37

    Loc parts code parts name parts description remark c276 cexf1c470a c electro 16v rsm 47mf (5x7) tp c278 cexf1c100a c electro 16v rsm 10mf 5x7 c279 cexf1c470a c electro 16v rsm 47mf (5x7) tp c283 cexf1c470a c electro 16v rsm 47mf (5x7) tp c292 cexf1c100a c electro 16v rsm 10mf 5x7 c302 cexf1h109a c e...

  • Page 38

    55 loc parts code parts name parts description remark u001 97p65456ma pcb main 330x246x1.6t d1b z0014 pvmpjve470 pcb main jump only as df-l71d1d-ba jp002 85801065gy wire copper awg22 1/0.65 tin coating jp003 85801065gy wire copper awg22 1/0.65 tin coating jp004 85801065gy wire copper awg22 1/0.65 ti...

  • Page 39

    Loc parts code parts name parts description remark jp501 85801065gy wire copper awg22 1/0.65 tin coating jp502 85801065gy wire copper awg22 1/0.65 tin coating jp503 85801065gy wire copper awg22 1/0.65 tin coating jp504 85801065gy wire copper awg22 1/0.65 tin coating jp505 85801065gy wire copper awg2...

  • Page 40

    58 59 electrical partslist loc parts code parts name parts description remark d713 dzn4148 - diode 1n4148 auto 52mm d715 dzn4148 - diode 1n4148 auto 52mm d716 dzn4148 - diode 1n4148 auto 52mm d717 dzn4148 - diode 1n4148 auto 52mm jp701 85801060ta wire copper 0.6x52mm taping jp702 85801060ta wire cop...

  • Page 41

    61 electrical partslist loc parts code parts name parts description remark cc12 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc14 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc18 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc20 hcfh104zba c chip cera 25v y5v 0.1mf z 1608 cc21 hcqk180jba c chip cera 5...

  • Page 42

    63 loc parts code parts name parts description remark l821 56c339k705 coil choke 3r3k(3.3uh) p801 97p62y02x2 conn wafer yfw800 str 10mm 2p p821 97p62a09a4 conn wafer 440052-4 plug 4p 2.5 p823 97p62y17ad conn wafer yw025-13 st plug 2.5mm pj822 97p885x236 conn as 12h-12s 250mm tapping q821 tfqp20n06- ...

  • Page 43

    686, ahyeon-dong mapo-gu seoul, korea c.P.O. Box 8003 seoul, korea daewoo electronics corp..