1. DL manuals
  2. Daewoo
  3. Portable DVD Player
  4. DPC-7600
  5. Service Manual

Daewoo DPC-7600 Service Manual

Summary of DPC-7600

  • Page 1

    S/m no.：sm20101a service manual portable dvd player model name：dpc-7600 certain specifications in this service manual are subject to change without notice to improve quality and function. Jun. 2006 dpc-8600

  • Page 2

    1 1 1 g g g e e e n n n e e e r r r a a a l l l d d d e e e s s s c c c r r r i i i p p p t t t i i i o o o n n n s s s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 3: 1 General Descriptions

    - 1 - 1 general descriptions 1.1 model features z tablet display and portable dvd player z video: dvd, vcd, kodak picture cd, jpeg readable z audio: cd, cd-r, cd-rw, mp3 z 7” ,8” active-matrix tft lcd panel with wide-screen aspect ratio z credit-card-size wireless remote control z rechargeable batte...

  • Page 4

    - 2 - 1.2 information disk format dvd, vcd, cd, cd-r, cd-rw, mp3, kodak picture cd video : video system ntsc / pal video decompression mpeg-4, mpeg-2, mpeg-1 video output 1.0 vpp / 75Ω sync , minus audio : audio characteristic 2 – channel analog 5.1 – channel digital output analog output 2.0 v / 10k...

  • Page 5

    - 3 - accessories ¾ remote controller with 3v battery ¾ 12-volt car cigarette lighter cable ¾ audio / video signal cable ¾ p-scan cable (option) ¾ rechargeable battery pack ¾ universal ac/dc power adapter ¾ carry bag and car harness (option).

  • Page 6: 2 Electrical Characteristics

    - 4 - 2 electrical characteristics 2.1 optical characteristics parameter specifications unit screen size 7” (16:9) / 8” (16:9) inch display format 154.08 (h) x 86.58 (v) / 180.72 (h) x 94.27(v) dot dot pitch 0.321 (h) x 0.37 (v) / 0.378 (h) x 0.429 (v) mm outline dimension 164.9 (w) x 100.0 (h) x 5....

  • Page 7

    - 5 - 2.3 system block diagram.

  • Page 8: 3 Power

    - 6 - 3 power 3.1 power supply z input voltage: normal voltage: 100 to 240 vac. Variation range: 90 to 264 vac. Z input frequency: normal frequency: 50 to 60 hz. Variation range: 47 to 63 hz. Z input current: 0.6 arms max. At any input voltage and max. Dc output rated load. Z inrush current: 70 amps...

  • Page 9

    - 7 - z the battery pack shall return to normal operation only after the fault has been removed. Z a thermal fuse must be added on the surface of cell body to protect the battery pack. Z a polyswitch must be added to protect the battery pack. Z charge & play time of battery pack charge time (hr) dvd...

  • Page 10: 4 Physical Characteristics

    - 8 - 4 physical characteristics.

  • Page 11

    - 9 -.

  • Page 12

    - 10 - 4.1 outline dimension z 210mm(l) x 155mm(w) x 43.68mm(h).

  • Page 13

    - 11 - 4.2 spare parts structure drawing dpc-7600

  • Page 14

    - 12 -.

  • Page 15

    - 13 -.

  • Page 16

    - 14 -.

  • Page 17

    - 15 - dpc-8600

  • Page 18

    - 16 -.

  • Page 19

    - 17 -.

  • Page 20

    - 18 -.

  • Page 21: 5. Regulatory Standards

    - 19 - 5. Regulatory standards 5.1 safety z etl z tuv-gs z lvd z cb 5.2 emi z ce z fcc 5.3 ergonomics z dolly z macrovision.

  • Page 22: Trouble Shooting

    - 20 - 6. Trouble shooting 6.1 error code table code descriptions of error note power test t01 no power no action t02 power led indicator is not on or insufficient brightness t03 loading time too long t04 remote control bad sensing or not functional t05 system stays in the run in condition after pow...

  • Page 23

    - 21 - waveform (sound) abnormal t33 mp3 abnormal sound t34 audio no waveform (sound) or waveform (sound) abnormal earphone test t41 earphone no sound or the sound has pause, abnormal sound, noise, echo t42 earphone (right) no sound or the sound has pause, abnormal sound, noise t43 earphone (left) n...

  • Page 24

    - 22 - 9 main board a. Open the cover of the portable dvd-player to inspect if led（d12）functions normally. B. Measure pin 199 on u1 to see if the voltage is high. C. Measure r175 to see if the voltage is high and the negative end of d12 must be low voltage. D. Disassemble f/w, replace with a good on...

  • Page 25

    - 23 - b. Disassemble u6 f/w, replace with a good one or re-plug it to see if the symptom will disappear. C. Check the resistors or capacitors of j1,j2 , u8 ,u1on the main board, or those adjacent to ic to see if there is any hollow soldering, cold soldering, wrong part, or misplaced soldering. D. I...

  • Page 26

    - 24 - working, replace the loader. 9 dvd rom a. Check the loader to see if it can’t read. If so, replace the loader. Z t12 、 disc drive no action or locked 9 main board a. Remove the cover. Check to see if mis-assembly causes it. B. Check the resistors or capacitors of j1, j2,u8,u1 on the main boar...

  • Page 27

    - 25 - correctly plugged to the fixed positions, or re-plug them. B. Check the resistors or capacitors of u8 on the main board, or those adjacent to ic to see if there is any hollow soldering, cold soldering, wrong part, or misplaced soldering. C. If the above actions are not working, replace the lo...

  • Page 28

    - 26 - 9 dvd rom a. If the abnormal picture is the problem of pause or skipping tracks, then making sure if the disc has any scratches or dirt, if no such problems then replace the loader. Z t24 、 dvd abnormal picture 9 main board a. Check u1 to see if there is any cold or hollow soldering and short...

  • Page 29

    - 27 - b. Check all parts following aor to see if there is any cold or hollow soldering, short circuit, broken circuit, parts missing, wrong parts and rule out the problem. C. If the above actions are not working, replace the main board. Z t33 、 mp3 abnormal sound 9 main board a. Remove the top cove...

  • Page 30

    - 28 - 9 remote control a. If the main body of the system works normally, then making sure that the battery of the remote control has sufficient power, if it is not, replace the battery. 9 main board a. Check to see if u1 and u15 is damaged, and check all parts following u1 and u15 to see if there i...

  • Page 31

    - 29 - b. Check devices u1 ccir656 signal to see if there is any cold or hollow soldering and reverse soldering of ic or parts missing. C. Check u1 to see if there is any cold or hollow soldering and reverse soldering of ic or parts missing. D. If the above actions are not working, replace the main ...

  • Page 32

    - 30 - 9 driver board a. Check j1、j2 to see if there is any cold or hollow soldering. B. Check the j1 cable connected to the main board to see if there is any problem of plugging. Rule out the problem. C. Check u1 to see if there is any cold or hollow soldering and reverse soldering of ic or parts m...

  • Page 33

    - 31 - a. If the above actions are not working, replace the main board. Z t82 、 can’t read sd card 9 main board a. Check j15 on the main board to see if there is any problem of plugging. Rule out the problem. B. Check u1 to see if there is any cold or hollow soldering and reverse soldering of ic or ...

  • Page 34: 7.Schematic

    - 32 - 7.Schematic 7.1 main board.

  • Page 35

    - 33 -.

  • Page 36

    - 34 -.

  • Page 37

    - 35 -.

  • Page 38

    - 36 -.

  • Page 39

    - 37 -.

  • Page 40

    - 38 -.

  • Page 41: 7.2 Driver Board

    - 39 - 7.2 driver board dpc-7600

  • Page 42

    - 40 - c85 1uf/16v/0805 c27 470nf c24 10nf emi r3 5 75r (0402) dc:2v; vp-p:5v +5v scl c1 5 100nf c6 5 1 00nf fb7 bead/600r vcc c9 10uf /10v/ 080 5 r6 4 4k7 dc_pwm1 r99 47k(0402) ec 4 47u/ 10v (3528) cph1 c49 39nf + c 110 10uf /10v/ 0805 vad33 c4 7 1uf /16v/ 0805 q2 2sd965/sot89 b e c r42 fb120 r14 7...

  • Page 43

    - 41 - u5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 in n cm p lo a d ct o s c time r on /o f f gn d no ut 2 n o u t 1 vd d pw m o u t ct p w m pw m d c cl a m p is e n m o d sel ignd ignd r81 200k r80 910r c97 820p(0805) ignd ignd f1 1.5a 32v (1206) r75 51k vin:5~13v pin:3.2~3.6w ilamp:3.9ma lamp frequ...

  • Page 44

    - 42 - ignd inverter_on/off fgnd ignd fb u4 p5506hv6 4 3 1 2 8 7 6 5 fb r23 0 f1 10uh dpc-8600 pin 3 .2 w~3 .6 w ignd l5 10uh(bc43) 1 2 c96 15pf/3kv/1808 ignd nout2 r99 0/1206 ignd isen ignd r105 200k dual n 60v nout2 ignd isen c117 100nf c104 103 c99 820p/0805 ignd ignd c98 820p/0805 nout1 c95 4.7u...

  • Page 45

    - 43 - r4 0 22 k c1 1 2 10 0nf r66 fb120 aor+_p ccir656_d4 clkv c3 3 4 .7u f /2 5 v/ 120 6 aol- vgout c69 33pf tp1 r8 3 4k 7 lrc tp3 + - u3a njm3414 3 2 1 4 8 r58 fb120 emi 對策 nc->47p vrout r6 4 nc c76 100n c6 22uf/6v3 c1 4 1 00n f c29 10n c77 33pf d1 bat54c 1 2 3 v33pll c5 10 0nf c 122 100 nf r32 0...

  • Page 46

    - 44 - 7.3 battery board.