Instruction
1
Disconnect the receiver from the power source and all connected devices. If it is very hot, let it cool down. Then, remove the lid, remove the mechanism to read the tape or disc to get to the Board, and then remove the latter. All removed parts Express as parts to repair other radios.
2
Find chip amps - they are bolted to the heat sink, which is often used as back wall receiver. Unscrew them, then vipauta. Remove the old, dried thermal grease. Underneath you'll find types of chips.
3
Search the Internet or the so-called reference Datasheet to the chip. Is the document with brief information about radiocomponents containing the circuit of its connection. Its name comes from the English data sheet - a sheet with the data.
4
Wipaire from the Board all the parts specified in the circuit diagram. Collect this diagram, the amplifier again on the breadboard, using the chip and wyannie details. Never mind, if the values of some capacitors and resistors will vary slightly. When you install electrolytic capacitors polarity. Depending on your preference, assemble a monophonic amplifier on a single chip and stereo - two. Some receivers use dual-channel chips.
5
Apply on the flanges of the chips, a thin layer of thermal paste and install the heat sink back. If the heat sink is the back wall, install the built amp back in the chassis of the recorder. Make sure that the insights of parts never touched the hull.
6
Connect the speakers to the amplifier, then apply power. Using a voltmeter, verify that the constant component is missing as the outputs and the inputs. Set the volume control to minimum, then connect the device to the signal source. Then gradually increase the volume to the desired level.
7
Leave the amplifier enabled under surveillance within the hour. Make sure the heat sink is not heated to a temperature which was too long to hold my hand. If the heating was acceptable, the design can be used.
