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DREW028 6th April 2012 11:55 PM

eclipse xa5000
Does anyone have a repair manual for this amp? Or know the layout?

First time owning and working on a 5 channel amp. The sub channel power supply if burnt q35 through q38. The gate resistors are damaged also. They are marked 470. 47 ohms correct?

DREW028 7th April 2012 02:52 AM

Testing irf9640 P channel FET red probe drain black probe source I'm reading .819 on one fet and .732 on 2 other fets. Are they bad? 7th April 2012 03:50 AM

Testing in circuit or out? I only asked because other components can alter your reading.

sent from an IRFZ48N

DREW028 7th April 2012 03:53 AM

Out, and reverse procedure of testing an n channel.

Perry Babin 7th April 2012 06:33 AM

470 = 47 ohms (4, 7, and 0x10 multiplier).

The probe orientation is reversed when checking P-channel FETs.

DREW028 7th April 2012 11:56 AM

Yes, i got the test procedure from your website. Are my readings from the drain and source ok or do you think they are defective?

DREW028 7th April 2012 05:56 PM

resistors r30 marked 102=1kohm. Value is .431ohms so its bad. How do I determine the watt rating. One side is connected to the source of the PS FETs and amp ground terminal. I cannot trace the other side 7th April 2012 07:27 PM

Is that .431k ohms? Or .431 ohms? The latter would suggest its bad or something in parallel is shorted.

sent from an IRFZ48N

DREW028 7th April 2012 08:28 PM

413.7 ohms. I was in a hurry typing, sorry. There is a another resistor in the circuit r40 which reads .959kohms so I'm thinking its just the r30 resistor thats bad. Also the power supply FETs are removed (this is the sub channel). 8th April 2012 12:23 AM

Remove it and measure out of the circuit.

sent from an IRFZ48N

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