Sales Promotion Activity Wireless Bt Audio Receiver Board USB Wireless Dongle Serial Bt MP3 Module

Product Overview

Description

 Title: bt audio receiver board

Details:
Design pcb board	Hareware and Software
Input Power volt	5V
Design Date	7days(customizable)
MCU IC Chip	AC6902/JL6902
Foundation	Since 2006
Main Function	Wireless Bt
Size of Plastic	19*54MM
audio format	mp3 wmv WMA
Surface Finishing	Solder Coating
Min. Line Spacing	0.17mm
Min. Line Width	0.23mm
Min. Hole Size	0.4mm
Board Thickness	1.2mm +/-0.1mm
Copper Thickness	70 Micrometer
Base Material	FR4

 

 

 

 

 

 

 

 

 

Product packaging:                                                                                             

 

Volume:410*410*400mm, 1000pcs/carton;

 

weight :10KG/carton:

 

 

Our factory:                                                                                                          

 

 

 

certificate:                                                                                                         

 

physical distribution:                                                                                       

 

 

 

Our Services                                                                                         

      We wish you are fully satisfied with each item that you purchase from JLH One year Warranty

 

1,One year Manufactruer’s Warranty for defective items(excluding items damaged or misused after receipt)

2,Defective items must be reported and returned to us within the warranty period(and in the original packaging, if possible).You must tell us what the defcet is and prove,we do not rpaite or replace items

3,With an expired warranty. However,the expenses in the process of repair shall be paid by the buyers.

 

    For all youe inquiries,please contact us immediately,we will reply you as soon as possible

 

Company Information                                                                            

    Our production range:speaker module,mp3 decoding module,mini card speakers MP3 circuit board PCBA,no disc on-board machine such as circuit board,harware,SMT,plug-in,assembly,testing,packing,delivery through-train service.

 

FAQ                                                                                                     

1,open the power supply decoding board shows that”HI”

 

    Connect the power cord will connect the audio line at the same time,did not answer the audio line will show”HI”in decoding board

 

2,use some customers connected to their audio power amplifier will have noise

 

    One:using the multimeter,check whether the ground of the power amplifier on a board under the connected(audio ground wire and ground wire of power supply),then com pare the decoding ground wire is connected on the board(audio ground wire and power supply ground wire)must be broken,if the ground wire of power amplifier board is broken,so the decoding board(audio ground wire and power supply ground wire)must be connected.

 

    Two:the connection between offensive and defensive board and decoding board line if it is too long can also cause murmur voice,use a shorter wire connecting the two board is ok.

fm radio bt record module audio player circuit board

fm radio bt record module audio player circuit board

fm radio bt record module audio player circuit board