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Kicker zx1000.1 input board help
Kicker zx1000.1 input board help
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Old 4th November 2018, 04:40 PM   #31
PapaZBill is offline PapaZBill  United States
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This is part of the protection circuit. Check the test points in the attached photo.
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Last edited by PapaZBill; 4th November 2018 at 04:47 PM.
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Old 4th November 2018, 06:01 PM   #32
rhempz01 is offline rhempz01  United States
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Ok so when I test for the 5v at the ic on pin 4 it causes a audible sound to emmit from the power terminal area, it reads -8.67vdc then shoots up to 5 and the relay clicks. When I probe pin 6 it's the -8.67vdc
I used the RCA sheild for ground.
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Old 4th November 2018, 06:03 PM   #33
rhempz01 is offline rhempz01  United States
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Its swings the voltage to 5vdc, It also if I do that draws a around 3amps of current.no shorts in the transistors.

Last edited by rhempz01; 4th November 2018 at 06:09 PM.
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Old 4th November 2018, 08:43 PM   #34
rhempz01 is offline rhempz01  United States
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Not sure why this photo never went up for the forum. I connected it to r205 positive, and to the bottom ground and made a jumper for the topside. I'll clean this up later.
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Old 8th November 2018, 02:52 PM   #35
PapaZBill is offline PapaZBill  United States
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Quote:
Originally Posted by rhempz01 View Post
Ok so when I test for the 5v at the ic on pin 4 it causes a audible sound to emmit from the power terminal area, it reads -8.67vdc then shoots up to 5 and the relay clicks. When I probe pin 6 it's the -8.67vdc
I used the RCA sheild for ground.
Check the resistance between the RCA shield and the Power Ground terminal. You should see near zero ohms. If this is not the case check R70-0 Ω resistor. It's also possible there is a blown trace or an open via connecting the top and bottom side of board.
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Old 8th November 2018, 06:47 PM   #36
rhempz01 is offline rhempz01  United States
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It was open. So it read in the mega ohms range. I replaced the resistor, still no audio. If I test pin 4 now it trips the relay. D7 is still removed from the Amplifier. It only .2vdc on pin 4 and on pin 6, 3.45v

Last edited by rhempz01; 8th November 2018 at 07:01 PM.
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Old 9th November 2018, 02:26 AM   #37
PapaZBill is offline PapaZBill  United States
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Check the transistors in the yellow boxes with an ohmmeter.

Because the voltages on Pin 4 and Pin 6 are low, it possible that there is a shorted transistor, or the IC has failed.

Be sure to check the DC voltages on the header socket for the Class D daughter board.
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Old 11th November 2018, 07:17 PM   #38
rhempz01 is offline rhempz01  United States
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The +-15volts header socket is present. There is full rail voltage on Q101,Q111 transistors. +-86.1vdc. they test good.

Last edited by rhempz01; 11th November 2018 at 07:29 PM.
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Old 12th November 2018, 07:55 PM   #39
PapaZBill is offline PapaZBill  United States
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Do you have 5 volts on the header socket with and without the Class D board?
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Old 12th November 2018, 10:36 PM   #40
rhempz01 is offline rhempz01  United States
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Yes 5.144vdc
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