| Subject | Text |
| pnp npn transistor | excuse me for my bad english..
For test npn you have to use a multimeter and put positive lead to b |
| hi,
many thanks for replying.
is there a way to test the fbt.
the horizontal transistor see |
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| Replace DP53 and CP51 with NEW components. They will check ok on your multimeter but will be probabl |
| Grundig ST-70 574 SAT--CUC 5820 | I make a post a week ago about a thermic problem, problem who now it is turn out to be a total failu |
| Acer hates AC power! Is ok only with battery | Proud owner of an Acer Aspire 1510 series that I am :D , I keep resoldering the power jack back into |
| You need to check the output transistors for shorts. Test the forward junction voltage drop with a m |
| Sony KV-X2982U | Similar problems to another post on this site.
When switched on, standby light comes on and stays |
| Aiwa Tv, Model No TV-C201KER is not turning on, Help Plz. | Hi, I have Aiwa Tv of Model No TV-C201KER, but now it is not working, I have checked the power cord, |
| data sheet | I was delighted to locate a data sheet for my MASTECH M-830b multimeter.
I have blown R5 and R18 an |
| power problems | Check the High Voltage Transistor and the Voltage IC it is most likely one of those. The Transistor |
| Sharp 51DT25H stuck in standby | Hi everyone. I'm not a TV repair engineer by trade, but have been landed with a Sharp 51DT25H to rep |
| if you have a multimeter i would suggest you check any other transistors around the one you replaced |
| Lacie External DVD-RW Power Supply | Hi guys,
I purchased a Lacie External USB DVD-RW with no power supply. I am able to build a powe |
| 27ax1b no power | I've got the same set with the same blown c724 cap. The HOT tests OK with my multimeter. I'm not fi |
| The HT (high-tension) transformer is the transformer usually referred to as the flyback transformer |
| Welcome to the Board, Hugh. It is correct that the HOT doesn't appear to blow when the set is powere |
| Tektronix DM5120 | please HELPME i need a manual (MAINTENANCE,SERVICE OR OPERATION) for programmable digital multimeter |
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| Need tektronix 466 service manual with DM44 | I have an osciloscope tek 466 with the optional digitla multimeter DM44, the scope has a problem and |
| Electronic Basketball Game Repair - where do I start? | Hi all, I'm new to the forum and relatively new to dabbling in electronics. I'd like to get my feet |
| check out | if you have multimeter ...check out for all speaker outputs for signal (AC ~20V) |
| Re: Too complex for me, what about you? | [quote:e041229171="thezman007"]Hi all and thanks for reading,
I have an uninterruptible power su |
| Motherboard missing chip capacitor | hello i have a nice motherboard and unfortunately the floppy drive hit it and knocked off a chip cap |
| MS1181-2 CD Player Power control voltage low | Hello all
I have a koss MS1181-2 CD Player and when I use the power control to run a amp the amp |
| Sony subwoofer WMSP87 | Hi, sorry if this isnt the correct place, but i need help. I have a sony subwoofer with built-in amp |
| 57 hitachi died after power surge - HELP, PLEASE!!!! | [size=18:e6949c0a51]Hi guys--hope you can help me out. The set i have is about 4 yrs old and is a 57 |
| Excellent, I indeed did mean C48 not C47 in my post! :D
Hmm, next problem then.
Look in the circui |
| For Sale: Keithley 178 5 1/2 Digit Bench Digital Multimeter | For Sale: Keithley 178 5 1/2 Digit Digital Multimeter. It is a lab quality digital multimeter with a |
| I tried to post last night but it would not take it. this is what I wrote, I hope it explains:-
The |
| [quote:d7cf46b57b="absorbentgnome"]The HT (high-tension) transformer is the transformer usually refe |
| Samsung 52inch RPTV video problem SP52Q7HRX/AA | The video started to go out, first by giving lines on all high def content, and then on the tuner an |