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I can wait. Louie I have an AMP whose fuse and main caps
ForCustomeronly. I can wait. Louie I have an AMP whose fuse and main caps appear to be blown. Can you please explain the circuit and how to diagnose it? Please check email.… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
I can wait. Louie I have an amplifier which has problems on
ForCustomeronly. I can wait. Hey Louie I have an amplifier which has problems on the output board as well as the main power supply. I disconnected the power supply and input board connection to the ou… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
I cant wait. Louie I have an amp which has a fault on
ForCustomeronly. I cant wait. Hey Louie I have an amp which has a fault on channel 1. I have narrowed it down to the output section. Please check your email .… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Louie I have a powered speaker and it works but doesn't seem
For Benimur only. Louie I have a powered speaker and it works but doesn't seem to get to full power. I connected a 4 ohm dummy load but am only about to get 30vac and thats its. Please advise.… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Louie I have an amp which is having problems on both
ForCustomeronly. Louie I have an amp which is having problems on both channels. The output does not get to full power and after a 1 minute or so it goes into fault. Check email.… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Foronly I can wait. Louie hope all is well. have a few
For benimur only I can wait. Hey Louie hope all is well. have a few questions below.What is the best way to find a short in a circuit?What is the best way to find a culprit mosfet?What is the best way… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
I have an old Denon PMA 500V Receiver and the right channel
I have an old Denon PMA 500V Receiver and the right channel is out. The schematic number is ***** 9055-1. What does "NB" mean in the circuit of the upper left hand corner? Also R431 just smoked, any i… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
This question is foronly. Louie I have an amp which appears
This question is forCustomeronly. Louie I have an amp which appears to have a severe short. The fuse is blown and is dark on the inside. Please advise.… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Louie I have an amp which as 3 premap boards. The amp wasn't
ForCustomeronly. Louie I have an amp which as 3 premap boards. The amp wasn't producing any output. Below are my questions.Are the small board considered preamp boards?Am I correct in thinking that th… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Rusty, My Onkyo TX-SR800 receiver has no sound, today i was
Hi Rusty, My Onkyo TX-SR800 receiver has no sound, today i was playing a record on my turntable but there was a big hum trough the speakers as i play the record, so i disconnect the turntable rca plug… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
ForCustomeronly. Louie I have a cd player which has a pair
ForCustomeronly. Louie I have a cd player which has a pair of rca output jacks and only one of them is working the other isnt. Please advise.… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
For Louie only I can wait. Hey Louie I have an amp which keeps
For Louie only I can wait. Hey Louie I have an amp which keeps blowing the fuse. I replaced the fuse with a similar one not exact value and it blew instantly and it got black in the glass casing which… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
ForCustomer Hey Louie hope your doing well. I have a question
For Benimur. Hey Louie hope your doing well. I have a question regarding a amp. I have a crownmacrotech2400 and it plays fine. If I have something else plugged in the same circuit as the amp say for e… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Ok louie. Here is what I have found so far. When I check continuity
Ok louie. Here is what I have found so far. When I check continuity between the two legs of each power transistor I find: three of the four transistors show a short. and the meter will hold steady. Wh… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
ForCustomer Hey Louie I have a self powered speaker when
ForCustomer Hey Louie I have a self powered speaker when I turn the power switch on and off it pops and when I turn the volume on the amp it alos pops but plays fine if I dont touch anything afterward… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
Hi,I have an Onkyo TX-SR806 receiver that goes immediately
Hi, I have an Onkyo TX-SR806 receiver that goes immediately into standby mode whenever I try to power it on. If I press the "Zone 2" button, the display says "Zone 2: Off?" and after 10 secs or so it … read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
I have a Sansui BA2000 Amp that was working fine until I stupidly
I have a Sansui BA2000 Amp that was working fine until I stupidly disconnected the speakers to change the style speaker while the power was on and volume was full output. I ended up losing sound out o… read more
Louie
Louie
Technician
Ind. Tech.
15,870 satisfied customers
NAD T751 will not power on, protection circuit triggered
Hi there... I have come across you based on the answer you provided for the issue "nad-t751-shut-down-problem-standby-turn-on". I have exactly the same symptoms on my NAD T751. I have replaced the 100… read more
AudioExpert
AudioExpert
Owner/ Operator
1 year of AS degree + Certification
105 satisfied customers
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Meet the Experts:

Louie

Louie

Technician

15,870 satisfied customers

Have been in the business 25+ yrs., down to component level.

LOAJ3256

LOAJ3256

Technician

497 satisfied customers

35 years in Home Theater and Systems Integrator, Senior

Neil

Neil

Engineer

23 satisfied customers

Electronics engineer with 25 years of experience.

Steven

Steven

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19 satisfied customers

Certified ISF and HAA Home Theater Installer

Nathan

Nathan

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3,373 satisfied customers

Custom home theater installer. Authorized dealer top brands

Aric

Aric

Engineer

2,649 satisfied customers

15+ years in the field. Owner of AV Installation, OEM and Repair company

Rusty

Rusty

Engineer

1,318 satisfied customers

Let my expertise help solve your technical problems. Over 20 years electronics and sound equipment experience.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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