Question about Audio Players & Recorders
I suspect that this is a design problem guys. The fan in this unit is fine, it only turns on when volume is turned up high & fan speed varies with volume.
The problem I think is the STRX6759 on power board. The aluminium heatsink is too small to dissipate enough of the heat from the device. You will burn yourself touching it!!
The STRX6759, whilst I can't find the datasheet on the component it looks to be a voltage regulator with a thermal cut out. When it gets too hot (probably after an hour) it cuts itself off to protect itself until it has cooled enough. Then you need to turn unit off & then on again to reset.
I am modifying a friends unit with bigger heatsink but damaged a coil. If anyone can kindly supply me with coil. Part Number: LF902 please contact me: ian873 (at) gmail.com (in Sydney, Australia)
Posted on Apr 04, 2010
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Posted on Jan 02, 2017
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