https://wiki.everycrt.com/index.php?action=history&feed=atom&title=JVC_AV-21RM4SP 2026-08-02T03:53:17Z Revision history for this page on the wiki MediaWiki 1.43.6 https://wiki.everycrt.com/index.php?title=JVC_AV-21RM4SP&diff=1268&oldid=prev 2026-01-10T07:23:49Z

<p>Fixed signal value: RGB → RGBS (correct format for SCART RGB input) (via update-page on MediaWiki MCP Server)</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <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 07:23, 10 January 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l36">Line 36:</td> <td colspan="2" class="diff-lineno">Line 36:</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>}}</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>}}</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>{{CRT input</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>{{CRT input</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>|signal=<del style="font-weight: bold; text-decoration: none;">RGB</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>|signal=<ins style="font-weight: bold; text-decoration: none;">RGBS</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>|connector=SCART</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>|connector=SCART</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>|count=1</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>|count=1</div></td></tr> </table>

Arclight-MCP-Bot https://wiki.everycrt.com/index.php?title=JVC_AV-21RM4SP&diff=1190&oldid=prev 2026-01-10T06:36:09Z

<p>Fixed template field names to match Form:CRT model, added CRT input templates, moved categories properly (via update-page on MediaWiki MCP Server)</p> <a href="https://wiki.everycrt.com/index.php?title=JVC_AV-21RM4SP&amp;diff=1190&amp;oldid=1008">Show changes</a>

Arclight-MCP-Bot https://wiki.everycrt.com/index.php?title=JVC_AV-21RM4SP&diff=1008&oldid=prev 2026-01-08T13:49:21Z

<p>Creating page for JVC AV-21RM4SP CRT television from user manual 50052453 (via create-page on MediaWiki MCP Server)</p> <p><b>New page</b></p><div>{{CRT model<br /> | Manufacturer = JVC<br /> | Brand = JVC<br /> | Model = AV-21RM4SP<br /> | Year released = 2004<br /> | Discontinued year = <br /> | Chassis = AK-30<br /> | Size = 21<br /> | Type = Consumer<br /> | Usage type = Standard Definition Television<br /> | Screen type = Direct View<br /> | Native resolution = <br /> | TV lines (horizontal) = <br /> | Degaussing coil = <br /> | CRT type = <br /> | CRT manufacturer = <br /> | Refresh rates = 50Hz/60Hz<br /> | Video scan rates = 15.625 kHz (PAL), 15.734 kHz (NTSC)<br /> | Inputs = RF (VHF/UHF), Composite Video (2x rear, 1x front), S-Video (1x), Euroconnector SCART (1x)<br /> | Geometry adjustment = <br /> | Service adjustments type = <br /> | Service adjustments = <br /> | Modchip available = <br /> | RGB moddable = Unknown<br /> | Other mods = <br /> }}<br /> <br /> The &#039;&#039;&#039;JVC AV-21RM4SP&#039;&#039;&#039; is a 21-inch consumer CRT television manufactured by JVC (Victor Company of Japan, Limited) in 2004. Part of JVC&#039;s RM4 series, this model was designed for specific European markets.<br /> <br /> == Overview ==<br /> The AV-21RM4SP is a multi-system CRT television supporting PAL, SECAM B/G L broadcast standards. It features mono audio output and includes teletext functionality. The television uses the AK-30 chassis and was manufactured with model code 50052453.<br /> <br /> == Specifications ==<br /> === Display ===<br /> * Picture tube: 21 inches<br /> * Screen type: Direct View CRT<br /> * Supported TV systems: PAL, SECAM B/G L<br /> <br /> === Audio ===<br /> * Audio system: Mono<br /> * Audio output power: 5.5W (1% THD)<br /> * Sound features: Sound Mute<br /> <br /> === Power ===<br /> * Power input: AC 220-240V, 50 Hz<br /> * Power consumption: 85W maximum<br /> <br /> === Physical ===<br /> * Dimensions (W x H x D): 606 x 475 x 470 mm<br /> * Weight: 21 kg<br /> <br /> === Features ===<br /> * 100 preset channels<br /> * On-screen display channel indicator<br /> * Teletext support with:<br /> - Page search while watching TV<br /> - Double height text<br /> - Concealed information reveal<br /> - Automatic page change stop<br /> - Subcode page selection<br /> * NTSC playback support<br /> * Remote control operation<br /> <br /> === Inputs/Outputs ===<br /> * RF aerial input: 75 Ohm (unbalanced)<br /> * AV-1 (EXT.I): Euroconnector (21-pin SCART) with S-Video support<br /> * Front AV: Composite video and audio inputs<br /> * Additional rear composite inputs<br /> * Headphone jack: 3.5mm<br /> <br /> === Channel Reception ===<br /> * VHF (Band I/III)<br /> * UHF (Band U)<br /> * HYPERBAND<br /> * Cable TV: <br /> - B/G: S01-S41 / S75-S79<br /> - L: S01-S41 / S75-S77<br /> <br /> == Remote Control ==<br /> The AV-21RM4SP includes a remote control with dedicated buttons for:<br /> * Direct channel selection (0-9)<br /> * Menu navigation<br /> * Volume and channel control<br /> * Teletext functions<br /> * VCR control<br /> * AV input selection<br /> * Mute function<br /> <br /> == Service Information ==<br /> * Service manual code: 50052453<br /> * Chassis: AK-30<br /> * Region: EP-LL (Eastern Europe-LL)<br /> <br /> == Notes ==<br /> * The AV-21RM4SP supports SECAM L standard, making it suitable for French-standard regions<br /> * S-Video capability is available through the SCART connector when set to AV-1 S mode<br /> * This model has specific cable TV channel support for L standard (S75-S77) compared to other variants<br /> <br /> == See Also ==<br /> * [[JVC AV-20RM4SE]] - 20-inch multi-standard version<br /> * [[JVC AV-21RM4SE]] - 21-inch version supporting D/K standards<br /> * [[JVC AV-21RM4SN]] - 21-inch version for PAL B/G only<br /> <br /> == External Links ==<br /> * [[Category:JVC CRT TVs]]<br /> * [[Category:21 inch CRT TVs]]<br /> * [[Category:2004 CRT TVs]]<br /> * [[Category:Direct View CRT TVs]]<br /> * [[Category:Consumer CRT TVs]]<br /> * [[Category:RGB mod status unknown]]</div>

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