Sony KX-21HV1: Difference between revisions

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|label=RGB21

|signal=RGBS

|connector=~~SCART~~

|connector=JP21

|count=1

|audio=Stereo

|audio_connector=~~RCA (connector)~~

|audio_connector=Integrated

|location=rear

|notes=~~Japanese RGB21 (JP21)~~ connector~~, physically similar to SCART but with different pinout~~. Directly accepts ~~analog~~ RGB from ~~sources like~~ MSX computers.

|notes=TTC-003 compliant analog RGB connector. Directly accepts RGB from MSX computers and other Japanese sources. Requires adapter for European SCART sources due to different pinout.

}}

{{CRT input

|label=Digital RGB

|signal=~~RGBS~~

|signal=TTL RGB

|connector=DB-9

|connector=EIAJ-8

|count=1

|audio=None

|location=rear

|notes=~~Proprietary Sony 34~~-pin ~~Digital RGB input~~ for TTL-level RGB ~~signals~~.

|notes=8-pin rectangular connector for TTL-level digital RGB with separate H-sync and V-sync (active low). Used for connection to computers with TTL RGB output.

}}

{{CRT input

|label=Video

|label=Video 1

|signal=Composite (CVBS)

|connector=8-pin DIN 45326

|count=1

|audio=Stereo

|audio_connector=Integrated

|location=rear

|notes=8-pin DIN multi-input carrying composite video, stereo audio, and Control S signals.

}}

{{CRT input

|label=Video 2/3/4

|signal=Composite (CVBS)

|connector=RCA (connector)

|count=2

|count=3

|audio=Stereo

|audio_connector=RCA (connector)

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}}

{{CRT output

|label=~~Video~~ Out

|label=Monitor Out

|output_type=Video

|signal=Composite (CVBS)

|connector=RCA (connector)

|count=1

|audio=Stereo

|audio_connector=RCA (connector)

|location=rear

}}

{{CRT output

|label=Audio Out

|output_type=Audio

|signal=Analog stereo

|connector=RCA (connector)

|count=1

|location=rear

|notes=Fixed/variable level output with switch. 408mVrms at 5kΩ impedance.

}}

{{CRT output

|label=Speaker

|output_type=Audio

|signal=Analog stereo

|connector=Binding post

|count=2

|location=rear

|notes=8-16Ω impedance speaker terminals. 15W + 15W output (EIAJ 8Ω).

}}

{{CRT control port

|label=Control S In

|signal=Control S

|connector=3.5mm TRS

|direction=Input

|count=1

|location=rear

|notes=5Vp-p control signal input for system integration with compatible Sony equipment.

}}

{{CRT control port

|label=Control S Out

|signal=Control S

|connector=3.5mm TRS

|direction=Output

|count=1

|location=rear

|notes=5Vp-p control signal output for chaining to other Sony components.

}}

{{CRT link

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}}

The '''Sony KX-21HV1''' is a professional 21-inch ~~color~~ monitor manufactured and released by Sony in 1986 as part of the Profeel Pro series. It uses Sony's Black Trinitron system to provide a high-quality display with 560 lines of horizontal resolution.

The '''Sony KX-21HV1''' is a professional 21-inch presentation monitor manufactured and released by Sony in August 1986 as part of the Profeel Pro series. It uses Sony's Black Trinitron system to provide a high-quality display with 560 lines of horizontal resolution.

== Overview ==

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The KX-21HV1 is the smaller sibling of the [[Sony KX-27HV1|KX-27HV1]], sharing the same Profeel Pro design language and feature set in a more compact 21-inch form factor. Like its larger counterpart, it was nicknamed "Yagura TV" (やぐらテレビ, "tower TV") internally during development due to its distinctive angular frame design that allowed units to be stacked at events and exhibitions.

The monitor features an extensive array of connectors including a Digital RGB input, ~~RGB21 (~~JP21) connector for analog RGB, and ~~two~~ Control S ~~connectors (~~input and output) ~~for system integration~~. The included remote control (RM-543) is shared with the KX-27HV1.

The monitor features an extensive array of connectors including an [[EIAJ-8]] Digital RGB input for [[TTL RGB|TTL-level signals]], a [[JP21]] connector for analog RGB (TTC-003 compliant), an [[8-pin DIN 45326]] multi-input, and three additional composite video inputs. For system integration, the monitor includes [[Control S]] input and output jacks (3.5mm mini-jack, 5Vp-p) allowing remote control of compatible Sony equipment. The included remote control (RM-543) is shared with the KX-27HV1.

== Variants ==

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* [[Sony KX-27HV1]] - 27-inch version (¥275,000 / ¥278,000 for S variant)

The series was succeeded by the KX-~~21HV1S variant in 1988~~ which added S-Video ~~input~~.

The series was succeeded by the HV2 series in 1989 (KX-27HV2, KX-34HV2) which added native S-Video support to all models.

== Accessories ==

The monitor was designed to work with Sony's VT-X5R television tuner unit, which could be connected via a single Multi-Connector cable that carried both video and control signals. The smaller size made the KX-21HV1 popular with MSX computer users and home video enthusiasts who wanted professional-grade picture quality in a desktop form factor.

Included accessories:

* Remote commander RM-543

* Connection cord (video, RCA to RCA, 1.5m)

* User manual

* Usage notes

* Warranty card

* Service center information

* Circuit diagram

[[Category:Sony]]

@@ Line 25: / Line 25: @@
 |label=RGB21
 |signal=RGBS
-|connector=SCART
+|connector=JP21
 |count=1
 |audio=Stereo
-|audio_connector=RCA (connector)
+|audio_connector=Integrated
 |location=rear
-|notes=Japanese RGB21 (JP21) connector, physically similar to SCART but with different pinout. Directly accepts analog RGB from sources like MSX computers.
+|notes=TTC-003 compliant analog RGB connector. Directly accepts RGB from MSX computers and other Japanese sources. Requires adapter for European SCART sources due to different pinout.
 }}
 {{CRT input
 |label=Digital RGB
-|signal=RGBS
+|signal=TTL RGB
-|connector=DB-9
+|connector=EIAJ-8
 |count=1
 |audio=None
 |location=rear
-|notes=Proprietary Sony 34-pin Digital RGB input for TTL-level RGB signals.
+|notes=8-pin rectangular connector for TTL-level digital RGB with separate H-sync and V-sync (active low). Used for connection to computers with TTL RGB output.
 }}
 {{CRT input
-|label=Video
+|label=Video 1
+|signal=Composite (CVBS)
+|connector=8-pin DIN 45326
+|count=1
+|audio=Stereo
+|audio_connector=Integrated
+|location=rear
+|notes=8-pin DIN multi-input carrying composite video, stereo audio, and Control S signals.
+}}
+{{CRT input
+|label=Video 2/3/4
 |signal=Composite (CVBS)
 |connector=RCA (connector)
-|count=2
+|count=3
 |audio=Stereo
 |audio_connector=RCA (connector)
@@ Line 51: / Line 61: @@
 }}
 {{CRT output
-|label=Video Out
+|label=Monitor Out
 |output_type=Video
 |signal=Composite (CVBS)
+|connector=RCA (connector)
+|count=1
+|audio=Stereo
+|audio_connector=RCA (connector)
+|location=rear
+}}
+{{CRT output
+|label=Audio Out
+|output_type=Audio
+|signal=Analog stereo
 |connector=RCA (connector)
 |count=1
 |location=rear
+|notes=Fixed/variable level output with switch. 408mVrms at 5kΩ impedance.
+}}
+{{CRT output
+|label=Speaker
+|output_type=Audio
+|signal=Analog stereo
+|connector=Binding post
+|count=2
+|location=rear
+|notes=8-16Ω impedance speaker terminals. 15W + 15W output (EIAJ 8Ω).
+}}
+{{CRT control port
+|label=Control S In
+|signal=Control S
+|connector=3.5mm TRS
+|direction=Input
+|count=1
+|location=rear
+|notes=5Vp-p control signal input for system integration with compatible Sony equipment.
+}}
+{{CRT control port
+|label=Control S Out
+|signal=Control S
+|connector=3.5mm TRS
+|direction=Output
+|count=1
+|location=rear
+|notes=5Vp-p control signal output for chaining to other Sony components.
 }}
 {{CRT link
@@ Line 64: / Line 112: @@
 }}
-The '''Sony KX-21HV1''' is a professional 21-inch color monitor manufactured and released by Sony in 1986 as part of the Profeel Pro series. It uses Sony's Black Trinitron system to provide a high-quality display with 560 lines of horizontal resolution.
+The '''Sony KX-21HV1''' is a professional 21-inch presentation monitor manufactured and released by Sony in August 1986 as part of the Profeel Pro series. It uses Sony's Black Trinitron system to provide a high-quality display with 560 lines of horizontal resolution.
 == Overview ==
@@ Line 70: / Line 118: @@
 The KX-21HV1 is the smaller sibling of the [[Sony KX-27HV1|KX-27HV1]], sharing the same Profeel Pro design language and feature set in a more compact 21-inch form factor. Like its larger counterpart, it was nicknamed "Yagura TV" (やぐらテレビ, "tower TV") internally during development due to its distinctive angular frame design that allowed units to be stacked at events and exhibitions.
-The monitor features an extensive array of connectors including a Digital RGB input, RGB21 (JP21) connector for analog RGB, and two Control S connectors (input and output) for system integration. The included remote control (RM-543) is shared with the KX-27HV1.
+The monitor features an extensive array of connectors including an [[EIAJ-8]] Digital RGB input for [[TTL RGB|TTL-level signals]], a [[JP21]] connector for analog RGB (TTC-003 compliant), an [[8-pin DIN 45326]] multi-input, and three additional composite video inputs. For system integration, the monitor includes [[Control S]] input and output jacks (3.5mm mini-jack, 5Vp-p) allowing remote control of compatible Sony equipment. The included remote control (RM-543) is shared with the KX-27HV1.
 == Variants ==
@@ Line 82: / Line 130: @@
 * [[Sony KX-27HV1]] - 27-inch version (¥275,000 / ¥278,000 for S variant)
-The series was succeeded by the KX-21HV1S variant in 1988 which added S-Video input.
+The series was succeeded by the HV2 series in 1989 (KX-27HV2, KX-34HV2) which added native S-Video support to all models.
 == Accessories ==
 The monitor was designed to work with Sony's VT-X5R television tuner unit, which could be connected via a single Multi-Connector cable that carried both video and control signals. The smaller size made the KX-21HV1 popular with MSX computer users and home video enthusiasts who wanted professional-grade picture quality in a desktop form factor.
+Included accessories:
+* Remote commander RM-543
+* Connection cord (video, RCA to RCA, 1.5m)
+* User manual
+* Usage notes
+* Warranty card
+* Service center information
+* Circuit diagram
 [[Category:Sony]]