Schematic Diagram: speaker

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Tuesday, November 18, 2014

Speaker Protector Circuit with DC Protection

Speaker protector function to protect the speakers from damage caused by spikes in the audio signal when first turned on and the DC signal from the audio signal clipping. circuit protectors speakers consist of 2 parts which can protect the speakers are part of the DC signal detection and the delay. Part detetor DC signal composed by 4 pieces arranged diode bridge and a transistor. Then agian delay on the speaker is using a tank circuit protector in the form of capacitors, where the circuit composed of R6, C3, TR2 and TR3. End part of the speaker is using a relay protector. circuit protectors speakers in detail can be seen in the following figure.

Safety Speaker circuit

Component Speaker Protector Protection

Speaker circuit surge protector is equipped with a flashing indicator made for the postponement of the power amplifier to the speakers. Speaker circuit surge protector can be used to protect the speakers in stereo audio system.

Monday, August 11, 2014

HOW TO OPEN SPEAKER BOX AIWA XH A1060

AIWA XH-A1060_SPEAKER DISASSEMBLE INSTRUCTIONS.

TOOLS REQUIRED

DISASSEMBLE PROCEDURE

* Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker unit and then remove the speaker units.

* Remove the grill frame and four pieces of rubber caps by pulling out with a flat-bladed screwdriver. Remove the screws from hole where installed rubber caps. Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Remove the screws of each speaker unit and then remove the speaker units.

* Insert a flat-bladed screwdriver into the position indicated by the arrows and remove the panel. Turn the speaker unit to counterclockwise direction while inserting a flat-bladed screwdriver into one of the hollows around speaker unit, and then remove the speaker unit. After replacing the speaker unit, install it turning to clockwise direction until "click" sound comes out.

How to Remove the PANEL, FR

* Insert the (--) flat head screwdriver tip into the gap between the PANEL, FR and the PANEL, SPKR. Tap the head of the (--) flat head screwdriver with the plastic hammer head, and create the clearance as shown.

Insert the cut chisel in the clearance, and tap the head of the cut chisel with plastic hammer as shown, to remove the PANEL, FR.

* Place the speaker horizontally. Tap head of the cut chisel with plastic hammer as shown, and remove the PANEL, FR completely.