JK6839   usb sd fm aux car mp3 player circuit 

1,usb sd fm aux car mp3 player circuit  function.

  USB/SD/MP3/Line in (AUX)/FM

  MP3 decorder support 32–320kbps

  FAT16 or FAT32 systems supported

  4 Keys: MODE, NEXT/V+, PLAY/PAUSE/SCAN, PRE/V-

  With Remote control

2, Keys function:

MODE: USB/SD/AUX/FM switch.
Long press 3 seconds for power ON/OFF
NEXT/V+: Under MP3 mode,  short press NEXT, long press VOL+.
         Under AUX mode, press VOL+.
         Under FM mode, short press to selection up, long press VOL+.
PLAY/PAUSE:Under MP3 mode, short press PLAY/PAUSE, long press STOP..
             Under AUX mode, press PLAY/PAUSE.
             Under FM mode, short press to automatic selection.
PRE/V-: Under MP3 mode, short press LAST, long press VOL-.
       Under AUX mode, press VOL-
       Under FM mode, short press to selection down, long press VOL-.

3, Power supply DC5V (Optional 12V)

4, Remote Control--- Keys function
Power :ON/OFF  (standby)
Mode : Same function with Long press Play/Pause button on pannel for switch the working Mode
PREV: For Previous song in USB/SD state
NEXT: For Next song in USB/SD state
VOL+ : Volume up
VOL-: Volume down
RPT: For switching one song repeat or all song repeat in USB/SD state, default is all song repeat .
U/SD: Switch USB/SD /FM scan.
MUTE: First press mute , press again will release from mute.
EQ : NORMAL/JAZZ/ROCK/POP/CLASSIC/COUN
PLAY/PAUSE : For play and pause in USB/SD state.
Button 0-9 : Select song in USB/SD state, if the song number over 9 , just input the numbers in series .

5,Panel  dimension :105*25.5mm

usb sd fm aux car mp3 player circuit photo  .

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Shenzhen J&K Ideal Electronic Technology Co., Ltd.  is a professional manufacturer and is devoted to the integrated business modes of R&D, manufacturing, sales and services. Our main product series includes USB, SD MP3/MP5 module, amplifier module, wireless module, etc.

With a powerful R&D team, good quality, competitive price and unique design, we will present more advanced professional technology and sincere service for customers.

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