ICStation GY18972 User manual

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FM Radio Receiver DIY Kit
1.Introduction:
It is an 87.0MHz-108.0MHz Wireless FM Radio Receiver DIY Kit.
It has a built-in 4-Bit Red Digital Tube display screen which can clearly display the
receiving frequency.
2.Feature:
1>.Automatically search for radio stations
2>.Built-in volume adjustment
3>.Automatic memory function after power off
4>.Support 87Hz-108MHz receiver frequency
5>.Built-in 5W power amplifier
6>.Power saving mode with backlight off for 5 seconds
3.Parameter:
1>.Product Name:FM Radio Receiver DIY Kit
2>.Work Voltage:DC 4.5V~5.5V
3>.Output impedance:8ohm
4>.Output power:5W
5>.Output channel:Mono
6>.Receiver Frequency:87.0MHz~108.0MHz
7>.Frequency accuracy:0.1MHz
8>.Equivalent noise: >=30dB
9>.Work Temperature:-40℃~85℃

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10>.Work Humidity:5%~95%RH
11>.Size(Installed):83*69*53mm
4.Use Methods:
1>.Press left button to decrease receiving frequency.
2>.Press right button to decrease receiving frequency.
3>.Rotate potentiometer to adjust the volume.
5. Component List:
NO.
Component Name
PCB Marker
Parameter
QTY
1
Metal Film Resistor
R7
4.7ohm
1
2
Metal Film Resistor
R1,R2,R4,R5,R8~R14
10Kohm
11
3
Metal Film Resistor
R3
220Kohm
1
4
Crystal Oscillator
Y1
13.56MHz
1
5
Ceramic Capacitor
C1,C2
22pF
2
6
TEA5767 Audio Receiver
TEA5767
1
7
IC Socket
LM386
DIP-8
1
8
IC Socket
U1
DIP-40
1
9
Potentiometer
R6
50Kohm
1
10
Monolithic Capacitor
C4,C5,C6
0.1uF 104
3
11
Electrolytic Capacitor
C3,C9,C11
100uF 50V
3
12
Electrolytic Capacitor
C7,C8
10uF 25V
2
13
S9012 Transistor
Q1~Q4
TO-92
4
14
DC-005 Power Socket
5V
1
15
2*5*7 LED
D13
Blue
1
16
0.56" 4Bit Common Anode Digital Screen
056SMG_4
Red
1
17
Self-locking Button
S4
8*8mm
1
18
Self-locking Button Cap
S4
Red
1
19
Black Button
S1,S2
6*6*20mm
2
20
LM386
LM386
DIP-8
1
21
STC89C52
U1
DIP-40
1
22
Antenna
X1
80mm-255mm
1
23
Cable
10cm
2

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24
Speaker
SP
1
25
Acrylic Shell
6
26
Copper Pillar
M3*10mm
4
27
Screw
M3*8mm
20
28
Nut
M3
16
29
PCB
77*61*1.6mm
1
Note:Users can complete the installation according to the PCB silk screen and component list.
6.Schematic Diagram:

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7.Application:
1>.Training welding skills
2>.Student school
3>.DIY production
4>.Project Design
5>.Electronic competition
6>.Gift giving
7>.Crafts collection
8>.Home decoration
9>.Souvenir collection
10>.Graduation design
11>.Holiday gifts
8.Note:
1>The frequency can be adjusted continuously by keep press button.
2>.It is a wireless module. So do not use it in an environment with signal interference.
3>.The display can only show for 5 seconds and then enter to power saving mode.
9.Installation Tips:
1>.User needs to prepare the welding tool at first.
2>.Please be patient until the installation is complete.
3>.The package is DIY kit.It need finish install by user.
4>.The soldering iron can't touch the components for a long time(1.0 second),
otherwise it will damage the components.
5>.Pay attention to the positive and negative of the components.
6>.Strictly prohibit short circuit.
7>.User must install the LED according to the specified rules.Otherwise some LED
will not light.
8>.Install complex components preferentially.
9>.Make sure all components are in right direction and right place.
10>.It is strongly recommended to read the installation manual before starting
installation!!!
11>.Please wear anti-static gloves or anti-static wristbands when installing electronic
components.
10.Installation Steps(Please be patient install!!!):
Step 1: Install 1pcs 4.7ohm Metal Film Resistor at R7.
Step 2: Install 1pcs 220Kohm Metal Film Resistor at R3.

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Step 3: Install 11pcs 10Kohm Metal Film Resistor at R1,R2,R4,R5,R8~R14.
Step 4: Install 1pcs TEA5767 Audio Receiver at TEA5767.Pay attention to the
installation direction.
Step 5: Install 1pcs 13.56MHz Crystal Oscillator at Y1.
Step 6: Install 2pcs 22pF Ceramic Capacitor at C1,C2.
Step 7: Install 1pcs DIP-8 IC Socket at LM386.There is a mark on one end of the IC
Socket and there is a mark on PCB where the IC Socket can place on.These two marks
are corresponding to each other and are used to specify the installation direction of the IC
Socket.
Step 8: Install 1pcs DIP-40 IC Socket at U1.There is a mark on one end of the IC
Socket and there is a mark on PCB where the IC Socket can place on.These two marks
are corresponding to each other and are used to specify the installation direction of the IC
Socket.
Step 9: Install 1pcs 50Kohm Potentiometer at R6.
Step 10: Install 3pcs 0.1uF Monolithic Capacitor at C4,C5,C6.
Step 11: Install 4pcs TO-92 S9012 Transistor at Q1~Q4.
Step 12: Install 2pcs 10uF 25V Electrolytic Capacitor at C7,C8.Pay attention to
distinguish between positive and negative.The Longer pin is positive pole.
Step 13: Install 1pcs Blue 2*5*7 LED at D13.Pay attention to distinguish between
positive and negative.The Longer pin is positive pole.
Step 14: Install 1pcs Red 0.56" 4Bit Common Anode Digital Screen at
056SMG_4.Pay attention to the installation direction.
Step 15: Install 1pcs DC-005 Power Socket at 5V.
Step 16: Install 3pcs 100uF 50V Electrolytic Capacitor at C3,C9,C11. Pay attention to
distinguish between positive and negative.The Longer pin is positive pole.
Step 17: Install 1pcs Self-locking Button at S4.
Step 18: Install 2pcs 6*6*20mm Black Button at S1,S2.
Step 19: Install 1pcs DIP-8 IC LM386.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.
Step 20: Install 1pcs DIP-40 IC STC89C52.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.
Step 21: Install 1pcs Antenna at ANT.Note that the antenna should be installed on the
back of the PCB.
Step 22: Connect speaker to PCB at SP by 10cm red/black Cable. The speaker does
not distinguish between positive and negative.
Step 23: Tear off the protective film on the surface of the acrylic shell.
Step 24: Fixed speaker on acrylic bottom plate by 4pcs M3*8mm Screw and 4pcs M3

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Nut.
Step 25: Install 4pcs M3*8mm Screw and 4pcs M3 Nut on PCB.
Step 26: Install 4pcs M3*10mm Copper Pillar on PCB.
Step 27: Install 4pcs M3*8mm Screw and 4pcs M3 Nut on acrylic front plate.
Step 28: Install PCB module on acrylic front plate.
Step 29: Fix other acrylic plate by 12pcs M3*8mm Screw and 12pcs M3 Nut.
Step 30: Connect to power supply and enjoy the effect.
11. Install shown steps:

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