Question about Maxtor One Touch III 500GB FireWire/USB2.0 External w/16M buffer Retail ****... 500 GB USB 2.0 Hard Drive

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Need to know about a component in pcb 302180101 rev A. the componet is right after the USB connector, between R2, R33 and R34. I believe the whole little junction is also marked with FN1 and they connect to pin 47 and 48 on the PL 2507 chip= High Speed DMINUS signal and High Speed DPLUS signal respectively. Many thanks in advance.

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SOURCE: New PCB power circuit. Can't find one?

I don't think it would be worth it...

Posted on Dec 30, 2008

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How check pcb after lightning strikes??


Over voltages as little as 20% greater than expected (under the right circumstances) can cause components to fail with no outward indication of failure. Other times, these same or greater voltages will obliterate a component and without the benefit of a schematic will make identifying & replacing it impossible.

Nearby lightning strikes often cause multiple components on different PCB to fail at the same time, complicating troubleshooting significantly. Faults can appear on power supply PCBs and in the RF stages along antenna / cable inputs and out to cable boxes DVD players, etc.

These are usually not fixed by DIYers without specialized test equipment and manufacturer's service manuals.

Jan 30, 2015 | Televison & Video

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Is there a way to make the sound of the reverb on my deville 2-12 sound better ?


modding the reverb takes some electronics experience...if you know where the reverb circuit is. all you can really do is change the input caps that make the tone bright or dull... larger uf for dull... lower cap values for bright... it's in the signal circuits... dont mess with power caps. The schematic shows op amp into the tank and out of the tank to another op amp...Output of the tank to opamp.. Id double that input cap ( 330 pf ) to see if you get more response into the opamp... then look at the circuit C17-C18/R33-R34 894cf4a0-46f7-4f21-9667-be620f05b31d.png

Jun 06, 2012 | Fender R) Hot Rod DeVille III 212 Guitar...

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I have a 36v ac 3640 cv charger with a burnt out thermistor i need to know rating for the thrmistor marked up on pcb as r2


hi mate i know its 2 years over later if u have red flashing led this normally fixes fault..replace R2 ON CHARGER,

www.uk.farnel.com then search this,,,:- B57236S500M

Mar 09, 2011 | Bosch Drills

1 Answer

Nothing happens when I plug this in. I've tried eSATA and USB, both with the power adapter. The blue light comes on but nothing else. The hard drive works in other enclosures so I know that isn't the...


Your assumptions are leading in the right direction.
  • The blue light would just be denoting power to the device the red light would denote drive activity. The limitation on this enclosure is that its white papers states a "Hard Drive Compatibility: 320GB HDD capacity", but I have seen people use a 500GB drive that seemed to work. If your using a drive larger then 320GB this may be an issue.
  • The enclosure HDD combo is Plug-N-Play via USB so this would mean drivers most likely are not the issue. I don't believe drivers are even packaged with the device which would mean they use protocol standard drivers from the OS.
  • Make sure that you are not hooking the USB up to a external USB hub (especially a bus-powered one) while trouble shooting as it may not provide enough power. Connect the drive up to system USB controller directly while trouble shooting.
  • I believe this device has the ability to hook up 2 USB cables at the same time for extra power (mainly while using the eSATA connection). Try hooking up the USB mini-B connector and the USB +5VDC connector and then hooking both up to the system on two different USB ports. This should then correct the possibility that your drive may not be getting enough power.
  • Lastly, the enclosure could have a faulty IC on the PCB. Exchanging it would provide the answer for that.
Hope this was helpful. Thanks for visiting FixYa.com

Feb 02, 2011 | Eagle Tech ET-CS2XMESU2-BK 2.5" SATA to...

1 Answer

My mitsubishi 46 inch wont turn on, when you click power on green power button light goes off then flashes 3 times


This is not something that I believe the average joe can do aYoiu need to have it serviced. the fix is below and i amn sure you wil then understand why I said get a tech.


Cause #1 1. Red status LED, self-diagnosis error 44, check for open F9A06 on the Power PCB part # 283P128050 on the Power PCB 2. Red lamp LED, self diagnosis error 34. Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if missing replace the Power PCB part # 930B921002 3. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature, this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds 4. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector LE pin 3 and 4 on the Control PCB, if low suspect problems with the switches/buttons on the Control PCB part # 935D776001 5. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector LE pin 3 and 4 check good. Suspect the E2P PCB part # 934C121001 6. (LED does not stop blinking after plug in) Disconnect the USB connector from the card reader to the front from the Chassis, if the LED stops blinking after 70 seconds replace the Card Reader part # 299P271010. 7. (LED does not stop blinking after plug in) Disconnecting the USB connector from the Card Reader did not help. Remove connector FC from the FMT PCB and plug the unit in, if the LED stops blinking after 70 seconds with FC removed suspect a problem on the FMT PCB (part # 930B924002), if the LED keeps blinking with connector FC removed suspect a problem on the DM PCB (part # 934C116002). 8. (LED does not stop blinking after plug in) On the DM PCB (part # 934C116002) check C81A2, C81A3, C81B3 and C81B4 (1000 UFD, 16V, 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C). See Service Tip VS-78A 9. (LED does not stop blinking after plug in) On the FMT PCB (part # 930B924002) check C8F19, C8F21, C8F22, and C8F27 (16V 1000 UFD 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C).

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1 Answer

1997 Maxima low on freon


be careful... the low side is the only one your can will work on but you need to open the hi pressure switch by arching switch connector w/ a paper clip in the 2 hole in the plug befor putting freon in if not it will read full when not.. open switch first then fill

Jun 26, 2009 | 1996 Pontiac Grand Am

2 Answers

Nissan R34 CRASH BAR


when saying crash bar do you mean roll bar? or the front bumper support?

if roll bar, i believe it will fit with minor adjustments on the floorboard.

if the bumper support. i dont think so. the r34 has a slightly more square design on the front end and would not make for a good switch.

in theory if you can weld you can get anything to fit. good luck hope they put a skyline section up for ya...ya lucky bastard. youve got my dream car. have a nice day

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i found out by going down to repco and buying an alsortment of bulbs then found out which was right when un did the front kit light

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I do believe that if you go to add or remove programs there should be a tab that has add remove windows components.

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Check the component jacks where they connect to the pcb for cracked solder joints and resolder to board.

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