Integrated Stereo
What might be worng with my amplifier?
The fuse blew in my amplifier. I replaced it but the new fuse blew as soon as I turned the power on. Does anyone know what else I should check or what might be the cause of the problem?
The amp is a Marrantz pm32 integrated stereo amplifier. I used the correct rating on the fuse I replaced (250V 1.0A). I can't find a service manual for this amp online.
Thanks for all the answers so far! Just a couple of extra notes:
1. I think the problem is with the power supply stuff, not the audio.
When I used to press the power button, the red power LED would light up and after a few seconds there was a 'click' sound. Now that it's broken neither of these things happen.
2. When mentioning parts, please could you tell me what it is, what is does, what it might look like etc? I don't really know what any of the interior parts are called but can should be able to work out what you mean with a few clues.
Thanks 
What usually blows in a power amplifier is the power supply capacitors. They are the large electrolytics that just get tired of all the inrush current and short. You can usually see the bad ones by looking at the shrink tubing surrounding them and as the capacitor heats up as it goes bad, the shrink tubing pulls away from the top and no longer covers over the edge of the top. In the extreme they explode from the top through the cuts that are the strain relief.
Forget the fuse. It is doing its job.
You could also have a shorted bridge rectifier in the power supply. This is usually square with four terminals. If it goes bad it often swells and cracks.
These are good places to start.
, incredible picture quality. ViewSonic’s VX2250wm-LED features a mercury free LED backlight 22” (21.5” Vis) widescreen display with up to 40% energy savings compared to traditional CCFL backlit LCD monitors...
|
|
Beneath the A-5VL’s slim and elegant exterior lies a surprising amount of amplification muscle. You might wonder how Onkyo managed to incorporate the functionality of a pre- and power amp into such a slender integrated package...
|
|
The Yamaha A-S500BL Integrated Amplifier offers clear sound in the Yamaha A-S2000 tradition, with 85 watts per channel of pure, clean power, ToP-ART stability, Continuously Variable Loudness Control, automatic power management, and a built-in port for supported Yamaha iPod docks (sold separately).
|
|
3D Technology Checklist This product is 3D-related. To help you get a great 3D experience, use the checklist below to ensure you have everything you need. 3D viewing requires: A DisplayFirst, you'll need a 3D-ready display--whether it's a 3D HDTV, 3D projector, or 3D computer monitor...
|
|
Ideal for an active lifestyle, the Jabra SPORT Bluetooth headset allows you to both wirelessly enjoy music and take call during workout. Featuring a built-in FM radio, A2DP streaming audio technology, and powerful bass to help energize workout performance, the Jabra SPORT provides a wider variety of music options when exercising and easy-to-use controls...
|
|
With Bluetooth wireless technology, this headset gives you the convenient wireless way to enjoy the streaming stereo music transmitted from the Bluetooth A2DP source device such as a mp3 player, PC or PDA in the available range...
|
|
This highly stylish, pocket MP3 player delivers fantastic sound through two Hi-Fi quality, powerful, speakers each with an output rated at 1W. Playing MP3's directly from micro SD or TF memory cards is easy, just slot them into the integrated card reader and flick the switch...
|
|
This highly stylish, pocket MP3 player delivers fantastic sound through two Hi-Fi quality, powerful, speakers each with an output rated at 1W. Playing MP3's directly from micro SD or TF memory cards is easy, just slot them into the integrated card reader and flick the switch...
|
|
ViewSonic's new VA2448m-LED widescreen monitor features a LED backlit 24" (23.6" Visible) thin bezel display with integrated speakers. The VA2448m-LED is mercury-free, and offers a full HD 1920x1080 resolution...
|
|
(March 2011)Internet-Ready Devices Internet-ready devices use your broadband connection to deliver dynamic content to your television, whether it's streaming video from Netflix or a quick glance at today's weather forecast...
|
|
Today you can avail wide variety of 32 inch LCD TV that has outstanding picture quality and speakers to give the illusion of surround sound. You can now enjoy your home theatre with the 32 inch LCD TV and make your friends and relatives jealous with your incredible smart television. These LCD TV supplies you with superb angles for viewing. You can avail this tremendous LCD TV with numerous top-leading brands such as Samsung, LG, Panasonic, Hitachi, Matsui, Sony, Philips and a few other new brands. There are dozens of websites available that will help you to find one of the best LCD TVs. It seems there is more than one choice for compare 32 inch LCD prices and therefore, you have lots to choose from.
One such Television is Toshiba 46XV645. This very appealing TV comes with the greatest benefits for the budget-conscious home. The Toshiba 32AV615B features Active Vision, a high performance picture processing technology. This technology is constantly evolving to take advantage of technical advancements designed to enhance the colour, detail, movement and contrast of the images you watch. This LCD TV provides 1366 x 768 Resolution, 18000:1 Dynamic Contrast Ratio, 3 xs HDMI Sockets with PC Input connection and powerful audio performance from the integrated stereo speakers.
Clean, sharp, crisp, contrasting, and deeply coloured presentations are guaranteed with this highly affordable, easily attainable compare 32 inch LCD prices. Moreover, you can avail the Goodmans LD3270D integrated with Freeview tuner. It provides clear screen, Resolution 1366 - 768 pixels, colourful picture, HDMI connection and is ideal for gaming and connecting to your Blu-ray player. It is available for a best price that suits your pockets.
The LCD TV can be easily wall-mounted as well as can be kept under the cabinet wall. These are the budget priced LCD TV with good performance and mind-blowing looks. You can distinguish the various LCD TVs on the bases of performances, stylish design, features and incredible cheap prices. To learn more about the compare 32 inch LCD prices visit 32 inch LCD. Thus, browse through the website and find all kinds of feature-packed and stylish LCD TV.
US $55.99
