DAEWOO AKD-80C Service Manual

Service Manual

Car Audio

COMPACT DISC CHANGER

MODEL:AKD-80C

DAEWOO ELECTRONICS CO., LTD

CONTENTS

GENERAL SPECIFICATIONS......................................................	2
GENERAL....................................................................................	3
1.IDENTIFICATION OF PARTS...........................................................................	3
2.INSTALLATION PARTS AND SUPPLIED MOUNTING HARDWARE...........	3~4
3.INSTALLATION METHOD (HOW TO INSTALL THE UNIT)...............................	5
4.INSTALLATION METHOD (HOW TO INSTALL THE VEHICLE)........................	6
5.PREPARATIONS............................................................................................	6
DISASSEMBLY............................................................................	7
1.DISASSEMBLY..............................................................................................	7
2.PICK-UP/MECHANISM/MAGAZINE ASSEMBLY...............................................	8
3.IDENTIFICATION OF MAGAZINE.....................................................................	9
DIAGRAMS...................................................................................................	10
1.SCHEMATIC DIAGRAM.................................................................................	10
2.ELECTRICAL SPECIFICATION........................................................................	11
3.MICOM PIN CONFIGURATION & DESCRIPTIONS.................................	12~14
4.IC BLOCK DIAGRAM & TERMINAL VOLTAGE........................................	15~23
5.PRINTED CIRCUIT BOARDS...................................................................	24~25
PARTS LIST.................................................................................................	26
ELECTRICAL PARTS LIST.....................................................................	26~27

DAEWOO

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GENERAL SPECIFICATIONS

System	Compact Disc Digital Audio System
Laser Diode Properties	Material : GAAIAS
	Wavelength : 780nm
	Emission Duration : Continuous
	Laser Output Power : Less Than 44.6uW
Frequency Response	5-20,000Hz + 1dB
Wow and Flutter	Below Measurable Limit
Signal-To Noise Ratio	90dB
Outputs	Line Output (For changer Connector Only)
Current Drain	800mA (CD Play Back)
	800mA (During Loading or Ejection a Disc)
Operating Temperature	-10oC to 55oC (14oF to 131oF)
Dimensions	Appro x 245 x 85 x174mm (W x H x D)
	Not lncl. Projection Parts and Control
Weight	Approx. 2.3kg
Power Requirement	12V DC Car Battery
	(Negative Ground)
Supplied Accessories	Disc Magazine (1)
	Mounting Hardware(1Set)
	Connecting Cable (1)

NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT

. The laser diode in the optical pick-up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body.

. During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts.

. The flexible board is easily damaged and should be handled with care.

CAUTION :

USE OF CONTROLS, ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN, MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

THE COMPACT DISC PLAYER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY QUALIFIED SERVICE PERSONNEL.

DAEWOO

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GENERAL

1.IDENTIFICATION OF PARTS

2. INSTALLATION PARTS AND SUPPLIED MOUNTING HARDWARE

DAEWOO

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HORIZONTAL POSITION INSTALLATION (WITH BRACKET STUD)

Use the wing nut to hold in place the installation bracket with bolt(M6 x 25) to the installation bracket, which is attached to the unit. Then affix the cushion rubber.

Holes with the “H” marks are to be used for horizontal or suspending and “V” for vertical installation.

VERTICAL POSITION INSTALLATION (WITH BRACKET STUD)

HORIZONTAL POSITION INSTALLATION (WITHOUT BRACKET STUD)

SUSPENDED POSITION INSTALLATION (WITH BRACKET STUD)

VERTICAL POSITION INSTALLATION (WITHOUT BRACKET STUD)

Dangerous Installation

1.Only the provided screws and brackets should be used during installation. Using screws other than those specified will cause damage.

2.Before installation, check that there is no harness at the back when making a hole on the dashboard.

DAEWOO

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3. INSTALLATION METHOD (HOW TO INSTALL THE UNIT)

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)

HORIZONTAL

VERTICAL

DECLINING

After Select Mark Hole(1), (2), (3)	After Select Mark Hole (4)	After Select Mark Hole (2)
The unit fasten by the screw(M4 x 10)	The unit fasten by the screw(M4 x10)	The unit fasten by the screw(M4 x 10)

SETTING THE INSTALLATION SELECTOR LEVERS ADJUST FOR UNIT (PRIOR TO INSTALL)

DAEWOO

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4.INSTALLATION METHOD	5.PREPARATIONS

(HOW TO INSTALL THE VEHICLE) 1.USAGE OF MAGAZINE (To load the discs)

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 of the cushion rubber that is attached to the installation bracket with bolt and install accordingly.

3.Align the unit with the bolts and secure it with the wing nuts.

Load the discs with the labels facing upwards, as shown in the diagram.

2.TO LOAD THE MAGAZINE

Slide the sliding door to the right until it is completely latched on.

Load the magazine in the direction as shown in the diagram. push it in until is locked into the unit.

After the magazine has been loaded, close the sliding door.

(If not close sliding door, Dirt or dust entering it will cause damage)

3.TO REMOVE THE MAGAZINE

Notes on handling the optical pick-up block or base unit

1.The laser diode in the optical pick-up block may suffer electrostatic breakdown because of the potential difference generated by the charged electrostatic load,etc. on clothing and the human body.

2.During repair, pay attention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts.

3.The flexible board is easily damaged and should be handled with care.

Open the sliding door and depress the eject button. Remove the magazine when it has been ejected. Close the sliding door.