ICStation RDA5807 87-108MHz FM Radio DIY Kit
3
4>.Every time the power is turned on, the radio station and volume need to be readjusted.
5>.The display screen will remain ON all the time after power ON.
8.Installation Tips:
1>.User needs to prepare the welding tool at first.
1.1>.Soldering iron (<50 Watt)
1.2>.Rosin core ("radio") solder
1.3>.Wire cutters
1.4>.Wire strippers
1.5>.Philips screwdriver
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.
9. Installation Steps(
Please be patient
):
1>.Step 1: Install 1pcs SMD components SOP-16 74HC595D Register FM Receiver at U3. There is a
white gap on PCB silk screen at U3 and there is a mark(dot) on IC. These two marks are corresponding
to each other and are used to specify the installation direction.
2>.Step 2: Randomly choose a pad on the PCB, and then melt the solder on this pad.
3>.Step 3: Fix 74HC595D:
3.1.Use a soldering iron to melt tin on the pad just now and hold IC with tweezers in the other hand
to place/press on U3 to prevent movement.
3.2.Take care to match and align each pins to pads.
3.3.Then remove soldering iron after align pins.
3.4.Then remove tweezers after solder tin cooling and solidification.
4>.Step 4: Connect others pads on 74HC595D to pads on PCB by tin and soldering iron. Tips for one
method:
4.1>.Use a large amount of solder tin to cover all pads.
4.2>.Make sure all pins and pads are covered with tin.
4.3>.Use a soldering iron to keep the tin in the melting state. At the same time, use a solder sucker
or desoldering braid to remove the excess solder.
5>.Step 5: Install 1pcs SOT-223 AMS1117-3.3V Voltage Converter at U10 by the same method.
6>.Step 6: Install 1pcs SMD RDA5807M FM Receiver at U1 by the same method.
7>.Step 7: Install 8pcs 510ohm Metal Film Resistor at R7-R14.
8>.Step 8: Install 5pcs 1Kohm Metal Film Resistor at R6,R17-R20.
9>.Step 9: Install 5pcs 10Kohm Metal Film Resistor at R2-R5,R16.
10>.Step 10: Install 1pcs 2Pin SMD Micro USB Socket at DC.
11>.Step 11: Install 1pcs DIP-28 IC Socket at U2.There is a gap mark on one end of the IC Socket and
Summary of Contents for HU-017ASW
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