| Subject | Text |
| You can check (Q1 thru Q4) between each output transistor leg and ground for shorts.
You could pu |
| To (maybe) clarify what LJ told you | All this assumes you have some means of measuring resistance and voltage. How much experience desold |
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| I might be able to help, and I was able to retrieve the photo.
I think I have a clamp base like t |
| The primary circuit is the part from where your power cable enters, till the transformer.
And yes |
| Continuing onward ... | First I'll make the assumption that this speaker system has worked successfully with THIS computer i |
| It is not easy. A capacitor usually makes your meter needle move up, then slowly down as it charges |
| STR-DE598 no display from using wrong speaker (dead) | hi , new to the forum but hope som1 can help , got this str-de598 from a friend who clams to have pl |
| Still plugging away...
Re-read earlier posts and saw the fuse is supposed to be 500ma not 400, so |
| Re: Faulty UPS APC 650Va | [quote:276f2deb8a="guest"]I Have 1 UPS APC 650Va. The UPS was working fine but it has now developed |
| Sony KP53S25 | It was a neon lamp instead of a cap. I figured out it was going into protect mode, the fault was ma |
| do you have any volt meter ??? |
| TRANSISTOR | TRANSISTOR JUNCTIONS ARE NPN (NEGATIVE-POSITIVE-NEGATIVE) OR PNP (POSITIVE - NEGATIVE - POSITIVE) Y |
| I've had this problem myself. The wire was poorly soldered at the factory and became intermittent so |
| Bush DVD1005 - resistor burned | I currently have a Bush DVD player, model DVD1005, which does not work. On investigation, a resistor |
| data sheet | I was delighted to locate a data sheet for my MASTECH M-830b multimeter.
I have blown R5 and R18 an |
| Re: looking for | That's the "Location" and "Rating/Value" of [b:4805c014b2]a part[/b:4805c014b2] |
| [quote:837741ee0a="vtech"]..just remember to remove the "shorting solder bridge" before re |
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| Not even a late-comer? Good god this place is a ghost town.
All the capacitors in the area check |
| All CRT's emit X-rays. It was more of a problem with older sets. It is your job as the service perso |
| hitachi projections | These units can be very easy to repair. you need the service manual. see if it is an AP73 or AP74 c |
| I removed the traverse assembly which has the spindle and tray motors as well as the optical assembl |
| Not quite sure of the question, but here's the info;
In general, it is prefered to have an ESR me |
| thanks | thanks but how to know whith analog meter it is short |
| if led is flashing your set is not on is there acc +,
check for lose soldering on pot meter |
| Varying degrees of electronic knowledge | I've Noticed That Users of the site have varying degrees of electronic knowledge it would be helpful |
| I wish it were that simple, but with monolithic capacitors I have found that they can read their cor |
| Marconi user guide or service manual | Hello everybody,
I seek a Marconi manual, with electronic schematic, and the trace for
different |