Question about Crown XLS202 2Channel Amplifier
There is a "driver" stage that sets up the voltages for the output stage as well as a bias circuit. Any of these can have a problem. I would suggest that you take voltage readings at each of the output transistor pins and post the readings here. I might be able to give you a few things to check. Crown designs are not the simplest to diagnose, but we should be able to track it down a bit. Measure each of the pins to gound and post the values here.
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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All modern TV's have fuse devices,some glass,some chemical.
However,a blown fuse comes from a short circuit,which I'm sure
you are well aware.Let's talk diagnosis--What is your set doing
or not doing?? Is it dead?==No "on"?? If there is no bad fuse,the
most common solution is a bad capacitor in the power circuitry
number sequence==900's. Ex..C953 value== 1000mf/35v.
Other caps in power supply may be weak.
2) Check Horiz output transistor---shorted? Look for blown B+
fuse + weak or open C523 1mf/160v in horiz drive circuit.Replace
horiz out with high-quality OEM transistor only.I use JVC only
on 32" size & bigger ( you have 36" ).
Let me know by rating this solution...thanks...T.
Oct 22, 2007 | JVC AV-36260 TV
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