https://wiki.neogeodev.org/index.php?title=Power_amp&feed=atom&action=history
Power amp - Revision history
2024-03-28T08:37:43Z
Revision history for this page on the wiki
MediaWiki 1.40.0
https://wiki.neogeodev.org/index.php?title=Power_amp&diff=5998&oldid=prev
Furrtek at 19:16, 9 April 2018
2018-04-09T19:16:31Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:16, 9 April 2018</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5">Line 5:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Dead power amps tend to output no audio at all and short out, tripping the cab's or [[supergun]]'s [[power supply]] protection. Crackling audio is most often a digital issue (contacts, cut traces...) and faint audio is often caused by aged/bad capacitors or broken volume pots.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Dead power amps tend to output no audio at all and short out, tripping the cab's or [[supergun]]'s [[power supply]] protection. Crackling audio is most often a digital issue (contacts, cut traces...) and faint audio is often caused by aged/bad capacitors or broken volume pots.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [[MV1A]]: Motorola MC13308T4.</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV1F]], [[MV1FZS]]: Hitachi HA13001. Stereo. 2x 5W in 4 ohms. Replacement: ?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV1F]], [[MV1FZS]]: Hitachi HA13001. Stereo. 2x 5W in 4 ohms. Replacement: ?</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV4]], [[MV6]]: Probably HA13001.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV4]], [[MV6]]: Probably HA13001.</div></td></tr>
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Furrtek
https://wiki.neogeodev.org/index.php?title=Power_amp&diff=5818&oldid=prev
Furrtek: MV1C amp ref
2017-09-26T21:05:32Z
<p>MV1C amp ref</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:05, 26 September 2017</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">Many </del>arcade cabs don't have embedded audio amps<del style="font-weight: bold; text-decoration: none;">, so many systems had </del>to amplify their audio output theirselves to drive the cab's speaker(s).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Most </ins>arcade cabs don't have embedded audio amps<ins style="font-weight: bold; text-decoration: none;">. Systems have </ins>to amplify their audio output theirselves to drive the cab's speaker(s).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>These components can die from overheating or voltage surges on the 12V line.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>These components can die from overheating or voltage surges on the 12V line.</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV4]], [[MV6]]: Probably HA13001.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV4]], [[MV6]]: Probably HA13001.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV1B]]: Toshiba TA8201AK. Mono. 1x ~7W in 4 ohms. Replacement: ?</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[MV1B]]: Toshiba TA8201AK. Mono. 1x ~7W in 4 ohms. Replacement: ?</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[MV1C]]: <del style="font-weight: bold; text-decoration: none;">?</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [[MV1C]]: <ins style="font-weight: bold; text-decoration: none;">ST TDA7240. Mono 1x 20W in 4ohms.</ins></div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Audio system]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Audio system]]</div></td></tr>
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Furrtek
https://wiki.neogeodev.org/index.php?title=Power_amp&diff=5253&oldid=prev
Furrtek: Created page with "Many arcade cabs don't have embedded audio amps, so many systems had to amplify their audio output theirselves to drive the cab's speaker(s). These components can die from ov..."
2016-10-31T21:52:20Z
<p>Created page with "Many arcade cabs don't have embedded audio amps, so many systems had to amplify their audio output theirselves to drive the cab's speaker(s). These components can die from ov..."</p>
<p><b>New page</b></p><div>Many arcade cabs don't have embedded audio amps, so many systems had to amplify their audio output theirselves to drive the cab's speaker(s).<br />
<br />
These components can die from overheating or voltage surges on the 12V line.<br />
<br />
Dead power amps tend to output no audio at all and short out, tripping the cab's or [[supergun]]'s [[power supply]] protection. Crackling audio is most often a digital issue (contacts, cut traces...) and faint audio is often caused by aged/bad capacitors or broken volume pots.<br />
<br />
* [[MV1F]], [[MV1FZS]]: Hitachi HA13001. Stereo. 2x 5W in 4 ohms. Replacement: ?<br />
* [[MV4]], [[MV6]]: Probably HA13001.<br />
* [[MV1B]]: Toshiba TA8201AK. Mono. 1x ~7W in 4 ohms. Replacement: ?<br />
* [[MV1C]]: ?<br />
<br />
[[Category:Audio system]]<br />
[[Category:Repairs]]</div>
Furrtek