| Subject | Text |
| Measuring Pulse width modulation PWM | How do i measure Pulse width Modulation (PWM) ?
with a oscilloscope?
How do i measure the Duty |
| intermittent on off on Sony Bravia LCD | I have experienced similarbehaviour recently that had me stack for a few days. I had found a few fet |
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| Sony KLV37s400 | I've been hassling with a Sony KLV37S400. Turns on fine, then turns off at random times with a loud |
| Custom Power Supply | I need a power supply for the load of 10KW, which will feed it with the alternative current, but by |
| Voltage = distance in cm × volts/cm
Example: peak-peak voltage = 4.2cm × 2V/cm = 8.4V
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| Re: Mx3900d Power cycle | I have had the same problem. I cannot tell you which component is bad because I have not found it y |
| 120 cycle hum of death! | I'm working on Kyocera receiver that is giving a nasty 120 Hz hum. It plays fine and sounds good onc |
| Hp officejet 4110 error 0xf0af8004 cycle power | what would be the fault... what causes this.. can anybody help. the power led started blinking with |
| Denon AVR-1601 | Someone gave me one of these after it stopped working for them. When you power it on, you can see th |
| Hitachi V-1150 Oscilloscope problem and cure. | I offer this in the hope it will save someone hours of frustration!
I was delighted to be given a H |
| Samsung 191t power problem | The Unit will power up but intermittently the unit will power cycle. this appears to happen only wh |
| [b:0ac8d97c54][url=http://www.opentip.com/products/Emerson_Portable_Stereo_w_iPod_Dock_iPod_Electron |
| SONY Book Shelf Stereo FH-B511 Model No. HCD-H550 No Power | Hi All,
Hope you can help with the above unit.
The Power supply appears to be generating the r |
| Sony - KV32LS35U service manual/help | Hi all,
I wonder if anyone could help me to help my Dad out. He is a retirred TV engineer, but no |
| dishwasher | first fault to occur would be mechanical sensors exposed to harsher environment than your pcb. Is it |
| Re: car battery charger repair? | [quote:dadb3f482a="flat battery"]Hi reader,
I have dropped my car battery charger an |
| Philips 42"lasma TV | have a philips Philips 42" Plasma TV. The TV certainly stops and red light blinks. The red ligh |
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| "Fixing" an electric heater for lower wattage | I have an old house and the kid's room was designed with inadequate heat vents. Last year I bought |
| AT49F002T-50TC data | [b:0e0ec7fbac]Features[/b:0e0ec7fbac]
• Single-voltage Operation
– 5V Read
– 5V Reprogramming
• |
| "Err" on RCA VCR display | I have an RCA VCR, model number VR701HF, that's about 5 years old. It's never had a problem until r |
| KLH R7000 Repair | I am new to the board and I need some help. I have an older mid range KLH R7000. No where nesr top o |
| I'm no expert by any means, but I'm thinking leaky capacitors. Only because that seems to be my big |
| Re: Sony WEGA KV-34HS510 Discoloration | [quote:8d29c685b8="TNGAL"]I have some discoloration in this set at the Upper Top Right and Lower Bot |
| Alba STBX3 losing channels.. | I was given one of these models some time ago.
When i installed it, it was fine, found all availabl |
| Re: Sony KV-32XBR45 - No Picture and clicking on/off | [quote:9cf0b7c4d5="Anonymous"]Hello and Happy Thanksgiving....I am a nubee so I hope someone can hel |
| U r welcomed! 8)
I'll still give your original controller a 2nd go. Most problems for controlle |
| Old CRT televisions - interesting failure report | Hi everyone,
I am new here & thought this might interest readers & its not a help request. |
| RCA HD50LPW166 Chassis # ATC332 Projector TV problem | I've searched, and haven't quite found any posts with the exact same problem.
The TV powers up fi |
| Anyone Recognise LC320EUD-SCA1 32" Full-HD 120Hz LED Pa | I've embarked on a project to build an HD picture monitor (not a TV - no audio circuits; no tuners) |
| No ideas for the moment, but it seems to be a common fault. I know of two such AOC displays which ha |