1. DL manuals
  2. Daewoo
  3. MiniDisc Player
  4. AKD-80C
  5. Service Manual

Daewoo AKD-80C Service Manual

Manual is about: COMPACT DISC CHANGER

Summary of AKD-80C

  • Page 1

    Service manual car audio compact disc changer model:akd-80c daewoo electronics co., ltd.

  • Page 2: Daewoo

    Daewoo contents - 1 - general specifications......................................................2 general....................................................................................3 disassembly............................................................................7 diagrams.............

  • Page 3: General Specifications

    General specifications daewoo compact disc digital audio system material : gaaias wavelength : 780nm emission duration : continuous laser output power : less than 44.6uw 5-20,000hz + 1db below measurable limit 90db line output (for changer connector only) 800ma (cd play back) 800ma (during loading o...

  • Page 4: General

    General daewoo 1.Identification of parts 2. Installation parts and supplied mounting hardware - 3 -.

  • Page 5: Daewoo

    Daewoo horizontal position installation (with bracket stud) vertical position installation (with bracket stud) horizontal position installation (without bracket stud) suspended position installation (with bracket stud) vertical position installation (without bracket stud) - 4 - use the wing nut to h...

  • Page 6: Daewoo

    Daewoo 3. Installation method (how to install the unit) - 5 - remove transit screw 3 each before installation part bracket dash(l type) adhere to the unit after setting the installation selector levers both sides(left, right) setting the installation selector levers adjust for unit (prior to install...

  • Page 7: Daewoo

    Daewoo 4.Installation method (how to install the vehicle) 5.Preparations - 6 - should be determined before the unit install under carpet. Adjust the installation bracket with bolts to suit the place of installation. 1.Remove the floor carpet and decide on the place to install. 2.Remove the separator...

  • Page 8

    Disassembly daewoo 1. Disassembly - 7 - size:a3.

  • Page 9

    Daewoo 2. Pick-up/mechanism/magazine assembly - 8 - size:a3.

  • Page 10: Daewoo

    Daewoo 3. Identification of magazine - 9 -.

  • Page 11

    Diagrams daewoo 1. Schematic diagram - 10 - size:a3.

  • Page 12: Diagrams

    Diagrams daewoo 2.Electrical specification test disc : sony yeds 18 type 4 or tcd-784 play ability test (25 o c) - 11 - no item test condition unit nominal limit 1 2 remark 1 2 3 4 5 6 7 8 20hz 100hz db db db db db db v ma % 10khz 20khz 1khz -2.6 0.01 4db 2db 2db 3db 80db 75db 3db 3db 70db 60db 0.8 ...

  • Page 13: Daewoo

    3. Micom pin configuration & descriptions daewoo pin configurations (lc865016b-xxxx) - 12 -.

  • Page 14: Daewoo

    Daewoo pin description - 13 - pin no function d-gnd data data eject d-gnd d-gnd test acc stby d-gnd d-gnd test sl + option sled motor control pulse sled motor control pulse 1 2 3 4 5 6 7 8 9 10 11 12 13 pin name p70 p71 p72 p73 p30 p31 p32 p33 p34 p35 p36 p37 p40 i/o i/o i i i i/o i/o i/o i/o i/o i/...

  • Page 15: Daewoo

    Daewoo - 14 - pin description pin no function sk coin sqout cqck rwc wrq test do xt1 xt2 vss power pin (-) option 41 42 43 44 45 46 47 48 49 50 51 52 pin name p11 p12 p13 p14 p15 p16 p17 test1 xt1/ p74 xt2 vss i/o i/o i/o i/o i/o i/o i/o i/o o res rest pin res i i o cf1 53 cf1 i cf2 54 cf2 o connect...

  • Page 16: Daewoo

    4. Ic block diagram & terminal voltage daewoo ic 101(la9240m) -rf+assp+audio filter - 15 - 1. Pin configuration 2. Block diagram.

  • Page 17: Daewoo

    3. Terminal voltage & description daewoo - 16 - pin no pickup photodiode connection pin. Added to fin1 pin to generate the rf signal, subtracted from fin1 pin to generate the fe signal. 1 fin2 pickup photodiode connection pin. 2 fin1 symbol contents pickup photodiode connection pin. Subtracted from ...

  • Page 18: Daewoo

    Daewoo - 17 - pin no rf output pin. 41 rfsm rf gain setting and efm signal 3t compensation constant setting pin, along with the rfsm pin. 42 rfs- slice level control is an output pin that controls the data slice level used by the dsp for the rf wave form. 43 slc symbol contents input pin used by dsp...

  • Page 19: Daewoo

    Daewoo - 18 - ic 501 (lb 1836) - 2ch. Bidirectional motor driver ic 1. Pin configuration 2. Block diagram.

  • Page 20: Daewoo

    Daewoo ic 201(lc 78626) - dsp for cdp - 19 - 1. Pin configuration 2. Block diagram.

  • Page 21: Daewoo

    Daewoo 3. Terminal voltage & description - 20 - defect detection signal(def)input. When not used,must be connected to 0v for the pll test input.Equipped with internal pull-down resistor.Must be connected to 0v external vco control phase comparator output internal vco ground.Must be connected 0v pdo ...

  • Page 22: Daewoo

    Daewoo - 21 - general i/o pin 2.This controls the commands from the microcontroller.When not used,either set this as an input port and connect to 0v, or set this as an output port and leave it open. I/o cont2 33 pin no general i/o pin4.This controls the commands from the microcontroller.This pin is ...

  • Page 23: Daewoo

    Daewoo - 22 - pin no dram address bus dram address bus dram address bus dram address bus dram address bus remaining dram output remaining dram output remaining dram output dram write terminated. (an rzp pulse is output when there is an overflow or a shock.)) data contact point detection complete sig...

  • Page 24: Daewoo

    Daewoo ic 401 (ba6790fp) - 4ch. Btl driver for cdp 1. Pin configuration - 23 - 2. Block diagram pin no function driver channel 1 negative output driver channel 1 positive output driver channel 1 input driver channel 1 input,gain adjustment pin connect external transistor base constant voltage output...

  • Page 25: Daewoo

    Daewoo 5. Printed circuit boards top view - 24 -.

  • Page 26: Daewoo

    Daewoo bottom view - 25 -.

  • Page 27: Daewoo

    Daewoo electrical parts list - 26 - ic lc865016b-xxxx ic lc78626e ic la9240m tr dtc114yk tr dta123yk tr dtc323tk tr 2sb1238 tr ksd1691y charge 0.047f/5.5v elec 100/10v elec 220/10v elec 10/16v elec 47/16v elec 1000/16v elec 4.7/16v elec 0.22/50v elec 0.33/50v elec 0.47/50v elec 1/50v elec 2.2/50v ch...

  • Page 28: Daewoo

    [diode] [others] [resistor] daewoo - 27 - description choke trans ex-19/3mh wafer 18p connector 9p connector 4p 8p din plug(250mm) pcb-main / fr-4 135 x 111mm t=1.2 pcb-control / fr-4 50 x 39mm t=1.2 ffc 11p / 11p x 120mm(ul20696) card cable ref - no crystal 16.9344mhz c-resonator cst 12.0mtw xt301 ...

  • Page 29: Daewoo Electronics Co., Ltd

    Daewoo electronics co., ltd 9 9 1 2 0