Denon AV receiver 100V Power Transformer Convertion to 220V
First thing to do is to check the actual secondary voltage using a 220V to 100V step down transformer so as you have a record. The…
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Burnt Audio IC
Possible causes : 1. Abnormal voltage applied ( too highor polarity is reversed ). 2. Prolonged shorted speaker lines. 3. User abu…
Flex Wire On Older Pioneer CD Radio
A close up pic shows a broken flex wire on older model Pioneer CD Radios. Spare part for this is still available. Repair job for t…
Water Damaged Car Amplifer
A pic of the bottom side of the circuit board reveals the extent of damage done by a water splash. In this case, all power mosfets…
Mosfet IC Audio Amplifier ( Pioneer Car CD Radio Series )
This is Pioneer's audio ic amplifier. Although exclusive to Pioneer's service center, this is available tru ebay. But I have a rep…
SMD Mosfet Driver Transistors
A close up pic of damaged smd transistors used for driving power mosfets.…
