Kenwood KDC-MP4028 Service Manual

Also see for KDC-MP4028: Instruction manual Instruction manual Service manual Instruction manual

Contents

Kenwood KDC-MP4028 Service Manual Manual pdf 10 page image

KDC-MP4028/MP428/MP602910TEST MODE● How to enter the test modeWhile simultaneously pressing “1” and “3” keys, press “RE-SET” 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.• AUX is “ON”.• SWPRE is “SW”.● Special displays when all indicator lights are lightedWhen keys are pressed while all indicators for the STANDBYsources are lighted, the following displays will appear.“1” Version displaykey (Display) Example : 416K -1.02(416K : Development name, -1.02 : Version)“2” Serial number display (8 digits)key (Display) : x x x x x x x x“3” • When pressed for less than 1 secondkey : POWER ON time display(Display) : PON x x x x x MAX 65,535 (hours)* The display is cleared by pressing the key for more than2 seconds.“4” • When pressed for less than 1 secondkey : CD operation time display(Display) : CDT x x x x x MAX 65,535 (hours)* The display is cleared by pressing the key for more than2 seconds.“5” • When pressed for less than 1 secondkey : CD EJECT number display(Display) : EJC x x x x x MAX 65,535 (times)* The display is cleared by pressing the key for more than2 seconds.“6” • When pressed for less than 1 secondkey : Panel open/close number display(Display) : PC x x x x x x MAX 65,535 (times)* The display is cleared by pressing the key for more than2 seconds.“ ” • When pressed for less than 1 secondkey : CD mechanism error log display(Display) : I2C_OK_ _ → ERR_1-xx → ERR_2-xx →ERR_3-xx → All lights light upI2C_NG_ _ → ERR_1-xx → ERR_2-xx →ERR_3-xx → All lights light up(“ERR_1-xx” is the most recent error.)Communication OK : I2C_OK_ _Communication error : I2C_NG_ _Communication error not detected: ERR_n – – – (n : 1~3)Communication error detected: ERR_n-xx (n : 1~3 xx : Error code)* The display is cleared by pressing the key for more than2 seconds.