Kenwood KDC-MP2028 Service Manual

Also see for KDC-MP2028: Service manual Instruction manual

Contents

Kenwood KDC-MP2028 Service Manual Manual pdf 10 page image

10KDC-MP2028/MP228/MP3029KDC-MP4029/MP4029GTEST MODEHow to enter the test modeWhile simultaneously press PRESET “1” key and PRESET “3”key, press “RESET” button.How to release the test modePress “RESET” button. (The release cannot be achieved inthe conditions of POWER OFF and ACC OFF.)Initial conditions of the test mode• The source is “STANDBY”.• The displays all lit up.• The volume is at –10dB (The display shows “30”.)• LOUD is “OFF”.• CRSC is “OFF”.• SYSTEM Q is “NATURAL”.• BEEP is sounded at all time with the key depressed for lessthan 1 second.Special displays when all indicator lights are lightedWhen “PRESET” keys are pressed while all indicators for theSTANDBY sources are lighted, the following displays will ap-pear.PRESET • Version display (8 digits : month, date, hour, minute)“1” key (Display) : x x x x x x x xPRESET • Serial number display (8 digits)“2” key (Display) : x x x x x x x xPRESET • When pressed for less than 1 second : POWER ON“3” key time display (STANDBY source time is not counted.)(Display) : PON x x x x x MAX 60,000 (hours)* The display is cleared by pressing the key for morethan 2 seconds.PRESET • When pressed for less than 1 second : CD operation“4” key time display(Display) : PLY x x x x x MAX 60,000 (hours)* The display is cleared by pressing the key for morethan 2 seconds.PRESET • When pressed for less than 1 second : CD EJECT“5” key number display(Display) : EJC x x x x x MAX 60,000 (times)* The display is cleared by pressing the key for morethan 2 seconds.PRESET • When pressed for less than 1 second : Panel open/“6” key close number display(Display) : PNL x x x x x MAX 600,000 (times)* The display is cleared by pressing the key for morethan 2 seconds.“FM” • ROM CORRECTION version displaykey (Display)Effective : ROM _ Rxxx (x : number)Not effective (When not able to read) : ROM _ R – – –Not effective (When version is different) : ROM _ R✳✳✳“AM” • IC10 adjustment status (Refer to “ADJUSTMENT” onkey the following page.)(Display)Adjustment complete : E2P _ OK _ _Adjustment not completed : E2P _ ER _ _Communication error : I2C _ ER _ _* When other than “E2P _ OK _ _” , Pin No. 30 willbecome “H”.“ ” • Mechanism error detection statuskey • Communication error → Error No. 1 → Error No. 2 →Error No. 3 → Communication error (Error No. 1 is themost recent error.)(Display)Communication OK : I2C _ OK _ _Communication error : I2C _ NG _ _Not detected : ERR _ n – – – (n : 1~3)Detected : ERR _ n-✳✳ (✳✳ : error code)* The display is cleared by pressing the key for morethan 2 seconds.