FM Radio Receiver Module DIY Electronic Kit 76-108MHz DIY Radio Speaker Kit Frequency Modification LCD Display Soldering Practice COD

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It is an 76.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit. It has a built-in high-definition display LCD display screen which can clearly display the receiving frequency and it can store 22 radio stations, which is enough to meet your needs.

1. LCD Display FM Radio Receiver DIY Kit

2. Work Voltage: DC 3.0V~5.0V

3. Output impedance: 8ohm

4. Output power: 5W

5. Output channel: Mono for speaker and Dual channel for earphone

5. Frequency: 87.0MHz~108.0MHz (Disable CampussBroadcasting Band)

6. Frequency:76.0MHz~108.0MHz (Enable CampussBroadcasting Band)

7. Equivalent noise: >=30dB

8. Automatically search for radio stations

9. Built-in 30-level digital volume adjustment

10. Automatic memory function after power off

11. Built-in rechargeable module

12. Power saving mode with backlight off for 20 seconds

13. Support speaker and earphone audio output

2. Automatically name searchable stations like P01,P02,P02 and so on.

4. Press V+ and V- to adjust volume from V00 to V30.

6. Enable backlight mode: Keep press P+ and P- before power ON and then turn ON work power switch. It means keep backlight ON if display B1 on LCD. It means the backlight will turn OFF after 20second if display B0 on LCD(This is the power saving mode).Available after restart.

Note:
1. It cannot receive radio while it is charging.

3. Input charging voltage form micro USB on the bigger PCB.



2. Please be patient until the installation is complete.

4. The soldering iron can't touch the components for a long time(1.0 second), otherwise it will damage the components.

6. Strictly prohibit short circuit.

8. Install complex components preferentially.

10. It is strongly recommended to read the installation manual before starting installation!!!


Installation Steps (Please be patient install!!!):
Step 1: Install 1pc 39Kohm Metal Film Resistor at R1.

Step 3: Install 1pc SOP-16 IC LM4863 at U1.There is a mark on one end of the IC and there is a mark on PCB where the IC can place on.These two marks are corresponding to each other and are used to specify the installation direction of the IC Socket.

Step 5: Prepare 6pcs pin header.

Step 7: Remove black fixed block from 6pcs pin header and fix Charging Module.

Step 9: Install 1pc 1uF 50V Electrolytic Capacitor at C1.Pay attention to distinguish between positive and negative.The Longer pin is positive pole.

Step 11: Cut a pin from 16Pin Female Socket.

Step 13: Install 1pc Self-locking Button at S6.

Step 15: Install 1pc Self-locking Button Cap on Self-locking Button.

Step 17: Install 1pc 18650 Battery Box at J1,J3.Pay attention to the positive and negative.Red wire is positive pole.

Step 19: Connect speaker to PCB at SP. The speaker does not distinguish between positive and negative.

Step 21: Tear off the protective film on the surface of the acrylic shell.

Step 23: Fixed speaker on acrylic bottom plate by 4pcs M3*6mm Screw.

Step 25: Fixed main PCB on acrylic bottom plate by 3pcs M3 Nut.Note that the wire should not be placed between the PCB and the acrylic.

Step 27: Fix other acrylic plate by 6pcs M3*6mm Screw and 6pcs M3 Nut.

		PCB Marker
	LM4863	R7	SOP-14
	3.5mm Audio Socket	R1,R2.R4,R5,R8~R14	5Pin
	Monolithic Capacitor	R3
	Electrolytic Capacitor	Y1
	Metal Film Resistor
	Metal Film Resistor	TEA5767
	FM Audio Receiver	LM386
	Black Button		6*6*20mm
	Micro USB Socket	R6	SMD
	Antenna	C4,C5,C6	80mm-255mm
	Female Pin		16Pin
	Self-locking Button
	Self-locking Button Cap	Q1-Q4	Red
	18650 Battery Box	5V
	Male Pin	D13	7Pin
	Charging Module	056SMC_4	26*18mm
	Cable	S4	15cm
	Speaker	S4	8ohm 5W
	Acrylic Shell
	Copper Pillar	LM386	*15mm
	Screw		M3*10mm
	Screw
	Nut		M3
	PCB	SP

Package Include:
1x LM4863

1x 3.5mm Audio Socket

1x Monolithic Capacitor

1x Electrolytic Capacitor

2x Metal Film Resistor(10KΩ)

1x Metal Fim Resistor(39KΩ)

1x FM Audio Receiver

5x Black Buttons

1x Micro USB Socket

1x Antenna

1x Female Pin

1x Self-locking Button

1x Self-locking Button Cap

1x 18650 Battery Box

1x Male Pin

1x Charging Module

2x Cables

1x Speaker

6x Acrylic Shells

4x Copper Pillars

4x Screws(M3*10mm)

14x Screws(M3*6mm)

12x Nuts

1x PCB