JVC AV-21RM4SN: Difference between revisions

Latest revision as of 07:23, 10 January 2026

Description

The JVC AV-21RM4SN is a 21-inch consumer CRT television manufactured by JVC in 2004. Part of JVC's RM4 series, this regional variant supports only PAL B/G (unlike the multi-standard AV-21RM4SE).

Teletext Features

Page search while watching TV
Double height text
Concealed information reveal
Automatic page change stop
Subcode page selection

Channel Reception

VHF (Band I/III)
UHF (Band U)
HYPERBAND
Cable TV: S01-S41 / S75-S79

Related Models

JVC AV-20RM4SE - 20" multi-standard
JVC AV-21RM4SE - 21" multi-standard
JVC AV-21RM4SP - 21" variant

@@ Line 1: / Line 1: @@
 {{CRT model
-| Manufacturer = JVC
+|brand=JVC
-| Brand = JVC
+|model_code=AV-21RM4SN
-| Model = AV-21RM4SN
+|crt_type=TV
-| Year released = 2004
+|screen_size_in=21
-| Discontinued year =
+|aspect_ratio=4:3
-| Chassis = AK-30
+|chassis=AK-30
-| Size = 21
+|mfg_date=2004
-| Type = Consumer
+|weight=21 kg
-| Usage type = Standard Definition Television
+|power_consumption=85 W
-| Screen type = Direct View
+|dimensions_whd_in=23.86 × 18.70 × 18.50
-| Native resolution =
+|audio_output=5.5 W
-| TV lines (horizontal) =
+|speakers=1
-| Degaussing coil =
+|features=Teletext, NTSC Playback, 100 Preset Channels, On-Screen Display
-| CRT type =
+}}
-| CRT manufacturer =
+{{CRT input
-| Refresh rates = 50Hz/60Hz
+|signal=RF
-| Video scan rates = 15.625 kHz (PAL)
+|connector=RF (Belling-Lee)
-| Inputs = RF (VHF/UHF), Composite Video (2x rear, 1x front), S-Video (1x), Euroconnector SCART (1x)
+|count=1
-| Geometry adjustment =
+|location=rear
-| Service adjustments type =
+|notes=75 Ohm unbalanced, PAL B/G only
-| Service adjustments =
+}}
-| Modchip available =
+{{CRT input
-| RGB moddable = Unknown
+|signal=Composite (CVBS)
-| Other mods =
+|connector=RCA (connector)
+|count=3
+|location=rear/front
+|notes=2x rear, 1x front
+}}
+{{CRT input
+|signal=S-Video (Y/C)
+|connector=SCART
+|count=1
+|location=rear
+|notes=Via SCART EXT.I in S-Video mode
+}}
+{{CRT input
+|signal=RGBS
+|connector=SCART
+|count=1
+|location=rear
+|notes=Via Euroconnector (21-pin SCART)
 }}
-The '''JVC AV-21RM4SN''' is a 21-inch consumer CRT television manufactured by JVC (Victor Company of Japan, Limited) in 2004. Part of JVC's RM4 series, this model was designed for specific European markets.
+== Description ==
+The JVC AV-21RM4SN is a 21-inch consumer CRT television manufactured by JVC in 2004. Part of JVC's RM4 series, this regional variant supports only PAL B/G (unlike the multi-standard AV-21RM4SE).
-== Overview ==
+== Teletext Features ==
-The AV-21RM4SN is a CRT television supporting PAL B/G broadcast standards. It features mono audio output and includes teletext functionality. The television uses the AK-30 chassis and was manufactured with model code 50052501.
+* Page search while watching TV
+* Double height text
+* Concealed information reveal
+* Automatic page change stop
+* Subcode page selection
-== Specifications ==
+== Channel Reception ==
-=== Display ===
-* Picture tube: 21 inches
-* Screen type: Direct View CRT
-* Supported TV systems: PAL B/G
-=== Audio ===
-* Audio system: Mono
-* Audio output power: 5.5W (1% THD)
-* Sound features: Sound Mute
-=== Power ===
-* Power input: AC 220-240V, 50 Hz
-* Power consumption: 85W maximum
-=== Physical ===
-* Dimensions (W x H x D): 606 x 475 x 470 mm
-* Weight: 21 kg
-=== Features ===
-* 100 preset channels
-* On-screen display channel indicator
-* Teletext support with:
-  - Page search while watching TV
-  - Double height text
-  - Concealed information reveal
-  - Automatic page change stop
-  - Subcode page selection
-* NTSC playback support
-* Remote control operation
-=== Inputs/Outputs ===
-* RF aerial input: 75 Ohm (unbalanced)
-* AV-1 (EXT.I): Euroconnector (21-pin SCART) with S-Video support
-* Front AV: Composite video and audio inputs
-* Additional rear composite inputs
-* Headphone jack: 3.5mm
-=== Channel Reception ===
 * VHF (Band I/III)
 * UHF (Band U)
@@ Line 75: / Line 59: @@
 * Cable TV: S01-S41 / S75-S79
-== Remote Control ==
+== Related Models ==
-The AV-21RM4SN includes a remote control with dedicated buttons for:
+* [[JVC AV-20RM4SE]] - 20" multi-standard
-* Direct channel selection (0-9)
+* [[JVC AV-21RM4SE]] - 21" multi-standard
-* Menu navigation
+* [[JVC AV-21RM4SP]] - 21" variant
-* Volume and channel control
-* Teletext functions
-* VCR control
-* AV input selection
-* Mute function
-== Service Information ==
-* Service manual code: 50052501
-* Chassis: AK-30
-* Region: EN-BG (England-Bulgaria)
-== Notes ==
-* The AV-21RM4SN is a regional variant supporting only PAL B/G, unlike the multi-standard AV-21RM4SE
-* S-Video capability is available through the SCART connector when set to AV-1 S mode
-* This model appears in documentation specific to English and Bulgarian markets
-== See Also ==
-* [[JVC AV-20RM4SE]] - 20-inch multi-standard version
-* [[JVC AV-21RM4SE]] - 21-inch multi-standard version
-* [[JVC AV-21RM4SP]] - 21-inch variant for different markets
-== External Links ==
+[[Category:JVC CRT TVs]]
-* [[Category:JVC CRT TVs]]
+[[Category:21 inch CRT TVs]]
-* [[Category:21 inch CRT TVs]]
+[[Category:2004 CRT TVs]]
-* [[Category:2004 CRT TVs]]
+[[Category:Consumer CRT TVs]]
-* [[Category:Direct View CRT TVs]]
-* [[Category:Consumer CRT TVs]]
-* [[Category:RGB mod status unknown]]