Audio

Intellecta Technologies Pty Ltd

for PICAXE education, Roland CAM, Techsoft CAD, Intellecta control, Atmel, Arm and Microchip education

Assembly of HB 0 08M Board 2

Note: There are two 08M main boards.

One board has the programming audio connector (*Board 2)on board and the other board has a box header ( Board 1).

The assembly instructions define a sequence of installing components and soldering them. You may be proficient to load all the components and solder at the same time.

We have found this sequenced approach to be very useful because the sequence is in order of component heights.

Low components are installed and soldered and these means the components are pushed in place when the board is flipped on its back.

Part Type	Designator	Footprint	Description
100nF	C1	C0.2	Capacitor
1UF	C12	C0.2	Tantalum capacitor polarised
DIODE	D1	AXIAL0.4	Diode
SERIAL PORT	J1	STEREO1	3.5mm stereo audio connector
CON2	J3	SIP2	not used
CON2	J4	SCREW2	Connector
HEADER 5X2	JP1	IDC10	not used
HEADER 10X2	JP2	IDC20
HEADER 5X2	JP3	IDC10	10 way female socket
22K	R1	AXIAL0.3
10K	R2	AXIAL0.3
PICAXE - 08M	U1	DIP8
LM7805	U3	TO-92B

Step 1. Solder shorting link

1. Locate components. Go the hardware bag a single wire link. Bend into a shape that fits between the two pads on the board.

2. Fit the components.

.2. Flip the board.

3. Solder into place.


	Step 2. Solder resistors and diode 1. Locate components. Go the resistor bag and locate the two resistors, R1 and R2. These are 22K and 10K. Go to the semiconductor bag and locate the diode, D1. Insert into the location ensuring that the band on the device is as the figure. 2. Fit the components. .2. Flip the board. 3. Solder into place.

Step 3. Solder connectors and IC socket.

1. Locate components. Go the hardware bag and locate the 10X2 way connector, female, the stereo connector and the IC socket.

2. Insert the components. Insert the components ensuring that the notch on the IC Socket is as the figure

3. Flip the board.

3. Solder into place.

Step 4. Solder capacitors

1. Locate components. Go the capacitor bag and locate the two components, C1 and C2.

2. Insert the components. Insert the components ensuring that the + mark on capacitor C2, is as the figure.

3. Flip the board.

3. Solder into place.

Step 5. Solder linear regulator

1. Locate components. Go the semiconductor bag and locate the long linear regulator component.,

2. Insert the components. Insert the component ensuring that the orientation is as the figure..

3. Flip the board.

3. Solder into place.

Step 6 Solder power supply connector

1. Locate components. Go the hardware bag and locate the lscrew power connector.

2. Insert the components. Insert the component ensuring that the orientation is such that the entry points for the cables are on the outside of the board.

3. Flip the board.

3. Solder into place.


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