Question about Hifonics Brutus BXi 1206D Car Audio Amplifier

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The amp not powering on

Yes all the powere entering the amp is good the + is 13,8- 14.2 so thats not it but the thing is all the parts on the power module board is smt and that **** hard to test to find the bad component so thtas y i was lookin for the entire board if that is the problem

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Post the voltage on all of the pins for the ka7500 driver IC. Look up the datasheet for the TL494 (link below) if you don't know the pin numbering scheme.

http://www.onsemi.com/pub_link/Collateral/TL494-D.PDF

If you're new to repair work, read the following page (pay special attention to the information in the yellow box).

http://www.bcae1.com/repairbasicsforbcae1/repairbasics.htm

KA7500
Pin 1:
Pin 2:
Pin 3:
Pin 4:
Pin 5:
Pin 6:
Pin 7:
Pin 8:
Pin 9:
Pin 10:
Pin 11:
Pin 12:
Pin 13:
Pin 14:
Pin 15:
Pin 16:


Posted on Jun 03, 2008

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Where can I find a A1300319A Board. Because the tech took the board out, and said something wrong with the board.


It is a Power Supply board and is a part shared with some Sony televisions.

Sony Power Supply Board A1300319A KV32HS500 ... - eBay

www.ebay.com > ... > TV Boards, Parts & Components Sony Power Supply Board, A1300319A, KV32HS500, KV34XBR800... (280925870381) in Consumer Electronics, TV, Video & Home Audio, TV, Video & Audio ...

Sony A1300319A SONY A-1300-319-A COMPLETE PC D ...

www.amazon.com/Sony-A1300319A-A-1300-319-A...BOARD/.../B001... THIS SONY A-1300-319-A COMPLETE PC D BOARD IS DESIGNED TO WORK WITH SELECT SONY TELEVISIONS. PLEASE FOLLOW THE LINK ABOVE FOR ...

Sony A-1300-319-A D Board, Complete - Encompass Parts

https://www.encompassparts.com/.../Sony/A-1300-319-A/D_Board,_Co... Image, Manufacturer, Part Number, Description, In Stock, Part Price. Pts Modules, A-1300-319-A, Sony - D Board (Deflection & Power), 271.90 ...

A1300319A, A-1300-319-A Sony TV Module, D

www.tristatemodule.com/A1300319A-A-1300-319-A-Sony.../a1300319... US$148.00 Part Number: A1300319A. Board Numbers: . TV Models: KV-32HS500, ... Home > TV Parts > PC Board > A1300319A, A-1300-319-A Sony TV Module, D ...

Jan 30, 2016 | Sony Kv-40xbr800 Fd Trinitronr Xbrr Wegatm...

2 Answers

Amp keeps blowing fuses


Blowing fuses, was caused by many thing.
Short of rectifier,resistor,elco,tube heater,tube pin, and also trafo itself (primary or secondary winding). It must check step by step.
CAUTION :
THIS IS HIGH VOLTAGE AREA.
RISK OF ELECTRIC SHOCK THAT CAN KILL.
DON'T DO THIS IF YOU ARE NOT TECHNICIAN OR NOT FAMILIAR WITH VACUM TUBE CIRCUIT. THE CIRCUIT MAY STILL CONTAINS ELECTRIC SHOCK EVEN IF IF THE AMP IS NOT POWER PLUGGED.


The simple steps (see picture) are:
  1. Disconnect all connection from secondary of power trafo (PLV,PDCH,PACH and PHV).
    Power ON the amp. If fuse is not blowing,trafo is good.
  2. Power OFF the amp. Unplug the cord.
    Connect PLV1-PLV2-PLV3 (this are Bias voltage,+/-15VDC and Backlight PCB voltage) to power trafo.Power ON the amp. If fuse is not blowing,PLV circuit is good.If fuse blowing,there are parts is damage (dioda,elco,7815/7915,resistor) in this PLV circuit.
  3. If step 2 is good,go to next step.
    Power OFF the amp. Unplug the cord.
    With PLV circuit stay connected,connect PDCH 1-2 and PACH 1-2 to power trafo. Power ON the amp.
    If fuse is not blowing,PDCH and PACH circuit is good and all tubes heater/filaments are lights after a few seconds.
    If fuse blowing,there are parts is damage (dioda,elco,tube heater pins) in this PDCH/PACH circuit.
  4. If step 3 is good,go to next step.
    Power OFF the amp. Unplug the cord.
    With PLV,PDCH,PACH circuit stay connected,connect PHV 1-2 to power trafo.
    Power ON the amp. CAUTION: HIGH VOLTAGE AREA is ON.
    If fuse is not blowing,PHV circuit is good.
    If fuse blowing,there are parts is damage (dioda,elco,tube pins) in this PHV circuit.
.amp-keeps-blowing-fuses-01sk4vtrndbaaguwe2brflsj-5-0.jpg
Notes:
  • Steps had to be done sequentially from 1 to 4, not upside down.
  • If tube/heater pin is short,it can't be repair. The tube must be replacing.
  • PDCH circuit is voltage for V1-2-3-4 heater/filaments.
  • PACH circuit is voltage for V5-6-7 heater/filaments.
  • Always replace fuse with same type.

amp-keeps-blowing-fuses-01sk4vtrndbaaguwe2brflsj-5-1.jpg

Oct 02, 2015 | Peavey 6505 Plus 120W Guitar Amp Head

1 Answer

Hpt790 staying at 94% initilising for too long


Star wheel motor assembly broken. HP part no Q6718-67017.
To confirm: Enter in to diagnostic menu as
Entering the Diagnostics Menu
1. Make sure the printer is switched off with the Power key on the front of the printer and not with the power switch on the back of the printer.
2. Press and hold the Up and OK keys. While holding the Up and OK keys down, press the Power key to turn on the printer, then release it while continuing to hold down the Up and OK keys. Wait until the HP logo appears in the front-panel display, then release all keys.
3. In the Diagnostics menu, select a diagnostic test with the arrow keys and press the OK key to begin the highlighted test.
4. Select scan axis > enter ok
5. Select star wheeler lifter > enter ok
follow the message.. check for the result.. If its OK then start wheel is good.. If any error persists.. you need to replace star wheel unit..
Only professional can do the part replacement, not suggestible to user to replace this part..

For technical guys:


1. Power off the unit, remove power & data(USB/Network) cable.
2. Remove formatter & housing
3. Remove front cover
4. Remove screws(Left cover)
5. Remove left side panel(ch 538-67005)
6. Remove pinch arm leaver
7. Remove left cover
8. Remove spit on
Follow the snaps: 9c6ef43c-a766-4620-8f8c-e3b95b9387cc.jpg fa8b1961-8828-404a-a635-46fd6634e5aa.jpg 400a58ac-8af0-4f57-9033-4d1c73d4f4b2.jpg 586b962e-67e2-4410-9f34-e11f21f4a29f.jpg 10bf5d85-2872-4004-988c-7b833ef0028f.jpg bdf7fe76-381c-401c-a359-e3c9a8d6ede4.jpg eb8f625e-6581-45da-9f74-b1be9311ce26.jpg cf0cabdb-7f73-43de-b9a8-5fffcf345e20.jpg 3915469b-2f28-4183-850d-560afe1edc61.jpg 035896bf-a3cf-4516-969e-cde6edebd47c.jpg

Best of luck....

Mar 20, 2014 | HP Designjet T610 InkJet Printer

1 Answer

So my dog chewed up the power cord to my xbox 360 while it was plugged in. I bought a brand new power supply but when I plug it in and try to turn it on nothing happens. No lights, no nothing. Could the...


lol, did the dog have a black nose, & whiskers missing.
& a bad case of sneezes....lol.
that's a new one on me, but a funny one.
you say you bought a new power supply? was that the full thing or just part of it?
if part of it & it was the plug side, then silly question but have you checked the fuse & wall socket....
if thats all good, the next you'll wanna check the top of the capacitors inside the console, swipe your finger over them, they should be perfectly flat & not domed up in any way, if they are replace with EXACT same type, some people think" if i put a bigger size capacitor in it will stop it blowing so easy again" NOT TRUE.
look for the obvious....black on board, & smell of burnning..
good look

Jan 23, 2014 | Video Game Consoles & Games

1 Answer

My samsung LN37C550 led TV has no pwer & a burt smell. I took off the back & looked at the power supply board. The fuse is blown and the is a smoll component with the number CR 814 next to it on...


If you have the components part number, you can certainly order a new component. However, I suggest you approach this repair with caution, as some of the parts you may have to replace can be very small. I would only attempt replacing the part if you have experience soldering. I've replaced several hundred SMT components in my day, but it's still difficult sometimes, and I still mess up occasionally.

Good luck finding your components! The fuse should be easy, but as for the CR 814, man, I can't find anything on google. You could try www.electronicwarehouse.com

Jan 31, 2013 | Samsung Televison & Video

2 Answers

Acer Aspire 6935g suddenly died


Yes, I suspect the motherboard also; because of -> no Power On LED condition, on motherboard.

Am I to assume you did check the condition of the DC Power Jack?

Center Pin is good? No movement?
Fortunately it is a DC Power Harness, though,

http://www.dhgate.com/dc-harness-power-jack-cable-for-acer-aspire/p-ff8080812fbab938012fc09f360f1265.html

Getting power at the DC Power Harness connector on motherboard; suggests bad Power MOSFET, or Power MOSFET's; in power section on motherboard.

(Section immediately surrounding the DC Power Harness connector, on motherboard. More to follow, will help explain)

Also may be bad MLCC's.

[ Multi-Layer Ceramic Capacitor, and is SMD/SMT. So are the Power MOSFET's.
Surface Mount Device / Surface Mount Technology, style of mounting to motherboard ]

Example using HP Pavilion dv6000 series, and Pavilion dv9000 series of Notebook PC's,

http://mayohardware.blogspot.com/2010/04/important-parts-on-dv6000-and-dv9000.html

These series of Notebook PC's, use the Fairchild Semiconductor International - FDS6679 - Power MOSFET, and the Alpha & Omega Semiconductor Limited - AO4407 - Power MOSFET.

Looking at the second photo down view the AO4407, circled in Yellow.
To the immediate Right side of it is an MLCC.
Smaller rectangular object, with a dark wide band in the middle of it.

There is one above it, one above that one; and it is the top one; plus one to the right of the top one, and one to the right of it.
All of the same value.
[ Capacitance { uf / MicroFarad }, and Voltage - DC ]

There are also four smaller examples, (And smaller values), shown to the Bottom/Left corner of the AO4407.

See if any of these are burned/blistered.

http://www.youtube.com/watch?v=5uiroWBkdFY

Also use a 25 Watt solder iron, or so. You don't need a soldering station. Keep the tip cleaned. Use a damp sponge. Use Rosin core solder, I like .030, you may want to use .060. (.030 = approximately 1/32nd of an Inch. .060 = approx. 1/16th of an Inch. Diameter )

De-soldering Braid, (Solder Wick), Rosin flux paste, solder paste brush; and old toothbrush, plus Isopropyl alcohol (Rubbing alcohol), to clean residue; after de-soldering components.
(And before soldering new ones in)

http://www.youtube.com/watch?v=b9FC9fAlfQE

Or it may be worse,

http://koti.kapsi.fi/jpa/stuff/pix/travelmate_6292/

Yeah, I know............'Just a ray of sunshine'

May be that you will need a new mobo.
(MOtherBOard)

For additional questions please post in a Comment.
Regards,
joecoolvette

Example using FDS6679, and availability, and cost;

http://www.mouser.com/Search/Refine.aspx?Keyword=FDS6679

Scroll down.
$1.01 USD

AO4407,

http://www.mouser.com/Search/Refine.aspx?Keyword=AO4407

AO4407 is phased out. Using one of the cross-reference examples,

http://www.mouser.com/ProductDetail/Diodes-Inc/DMP3020LSS-13/?qs=%2fha2pyFadujguNNSgppBRqXbOxXLwzGsZm9SWxz1EqWpzoSJOpHpWA%3d%3d

78 Cents USD.

Examples of MLCC's, that are SMD/SMT.
NOT the values you need. I do not know what ones you'll need. These are 4.7uf (MicroFarad) examples at 16 Volts DC,

http://www.mouser.com/Passive-Components/Capacitors/Ceramic-Capacitors/Multilayer-Ceramic-Capacitors-MLCC-SMD-SMT/_/N-b2cj?P=1z0wrjcZ1z0x565

Scroll down.

For additional questions please post in a Comment.
Regards,
joecoolvette

Dec 18, 2012 | Computers & Internet

1 Answer

Orion 4002 2CH Car Amp Used to get VERY hot, ran for ages powering 8 x 6.5" component speakers.... all of a sudden stopped working - Power LED just illuminates, then fades to off every 1.5 seconds...


yes i have had that problem and it was a bad ground so check yours out i bet that could be it also would explain the amp getting hot i hope this helps you give me a good rating please thank you

Jul 10, 2011 | Car Audio & Video

2 Answers

Definitive Technology Mythos STS SuperTower loudspeaker are a good match for a NAD M3 integrated amplifier?


Hello,
For the most part, it depends on the power output of the amp and the requirement of the speakers. Its a good idea to have at least 10% more power at your amp than what your speakers require.Find out what those values are if you don't already know and that will give you a better idea

Jan 06, 2011 | Audio Players & Recorders

2 Answers

1995 850 blower moter only works for a min. then shuts off, if you re start car same thing?


that is very very vague. please check with a test light if the power is being interrupted after a min. or if blower motor is getting hot, drawing in to much amps and stopping. if getting hot or drawing in too much amps it is internal short. buy new blower motor. if power to motor is being shut off. maybe has a self reseting fuse and is being tripped by short in wire somewhere. good luck

Nov 15, 2010 | 1994 Volvo 960

1 Answer

Purchased the Samsung SMT-190DN a year ago and came into our business and our screen is black. What can we do to get it fixed? Also, once fixed, can we view more than just 7 days of memory?


This seems to happen to a lot of then Either the Inverter Board is bad or the power supply board is bad. Good luck getting it fixed. Samsung seems not to even think they made them.
I emailed all over trying to get mine fixed with no luck. Do you mean the 7 day of recording,this will record til the day you turned it off YES!! even with the screen black it records DO THIS!!!
First... On the back of the monitor look for VIDEO OUT Its down near the Camera wires
Do you have a set of VIDEO and AUDIO cables there red, white,&yellow????
Get a 19'' tv with video and audio INPUTs NOW!! with the RED cable hook it to the Monitor Video out and the other red end to the tv Video in Just the RED ONE don't worry about white or yellow.
NOW turn the Security Monitor ON , NOW the TV let them warm up The tv must be in Video1 or
Video 2 ---NOW YOU SHOULD SEE THE CAMERA's or the screen POINT the remote at the monitor to do things like menu, search. Sorry I'm not to good at explaining things THIS Should work GOOD LUCK

Jul 26, 2010 | Samsung SMT-190 19" Flat Panel TFT LCD...

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