SUB Bright, Sub, Contrast, SUB Colour, PAL Colour

Item	Measuring	Test point	Adjustment part		Description
Item	instrument	Test point	Adjustment part		Description
	instrument

SUB BRIGHT	Remote		[2. V/C]	(1) Receive a NTSC broadcast.
	control unit		4. BRIGHT	(2) Set the PICTURE MODE to BRIGHT.
				(3)	Select 2. V/C from the SERVICE MODE.
				(4)	Select <4. BRIGHT>.
				(5)	Set the initial setting value of <4. BRIGHT>.
				(6) If the brightness is not best with the initial setting value,
					make fine adjustment until you get the best brightness.
				(7)	Press the [OK] key to memorize the set values.
SUB	Remote		[2. V/C]	(1) Receive a NTSC broadcast.
CONTRAST	control unit		5. CONT	(2) Set the PICTURE MODE to BRIGHT.
				(3)	Select 2. V/C from the SERVICE MODE.
				(4)	Select <5. CONT>.
				(5)	Set the initial setting value of <5. CONT>.
				(6)	If the contrast is not best with the initial setting value,
					make fine adjustment until you get the best contrast.
				(7)	Press the [OK] key to memorize the set values.
SUB COLOUR	Remote		[2. V/C]	[Method of adjustment without measuring instrument]
	control unit		6. COLOUR	PAL COLOUR
				(1)	Receive a PAL M broadcast.
				(2)	Set the PICTURE MODE to BRIGHT.
				(3)	Select 2. V/C from the SERVICE MODE.
				(4)	Select <6. COLOUR>.
				(5)	Set the initial setting value of <6. COLOUR>.
				(6)	If the colour is not the best with the initial set value,
					make fine adjustment until you get the best colour.
				(7)	Press the [OK] key to memorize the set values.

						SECAM COLOUR
						(1)	Receive a SECAM broadcast.
						(2)	Follow the same step 2 to 7 as in PAL COLOUR.
						NTSC 3.58 COLOUR
						(1)	Receive a NTSC 3.58MHz broadcast.
						(2)	Follow the same step 2 to 7 as in PAL COLOUR.
						NTSC 4.43 COLOUR
						• When NTSC 3.58 COLOUR is set, NTSC 4.43
						COLOUR will be automatically set.
Signal		TP-47B		[2. V/C]		[Method of adjustment using measuring instrument]
generator		TP-E		6. COLOUR		PAL COLOUR
		[CRT SOCKET				PAL COLOUR
Oscilloscope		[CRT SOCKET				(1) Receive a PAL M colour bar signal (full field colour
Oscilloscope		PWB]					bar 75% white).
						(2)	Connect the oscilloscope between TP-47B and TP-E.
Remote						(3) Set the PICTURE MODE to BRIGHT.
control unit						(4) Select 2. V/C from the SERVICE MODE.
						(5)	Select <6. COLOUR>.
						(6)	Set the initial setting value of <6. COLOUR>.
						(7)	Adjust the value of (A) to the value in the voltage
Y	G		R				table in the left.
						(8)	Press the [OK] key to memorize the set values.
						SECAM COLOUR
						(1)	Receive a SECAM colour bar signal (full field colour
				(-)			bar 75% white)
				(-)
				(A)		(2)	Follow the same step 2 to 8 as in PAL COLOUR.
W	C	M	B	0		(2)	Follow the same step 2 to 8 as in PAL COLOUR.
W	C	M	B			NTSC 3.58 COLOUR
				(+)		NTSC 3.58 COLOUR
						(1)	Receive a NTSC 3.58MHz broadcast.
				Voltage setting		(2) Follow the same step 2 to 8 as in PAL COLOUR.
VOLTAGE (W-B)			PAL	NTSC	SECAM	NTSC 4.43 COLOUR
			PAL	NTSC	SECAM	NTSC 4.43 COLOUR
						• When NTSC 3.58 COLOUR is set, NTSC 4.43
AV-21MXP6/V			+27V	+22V (RF)	+1V	COLOUR will be automatically set.
						COLOUR will be automatically set.
AV-25MXP6/V			+25V	+27V (RF)	+5V
AV-29MXP6/V			+39V	+24V (RF)	+7V

(No.YA476)1-37

AV-29MXP6/V, AV-21MXP6/V, AV-25MXP6/V specifications

The JVC AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V are a trio of high-performance CRT televisions that represent a combination of cutting-edge technology and practical design, catering to the diverse needs of home entertainment enthusiasts. These models are characterized by their impressive picture quality, robust build, and user-friendly features, making them a prominent choice during their production era.

One of the key features of these models is their screen sizes, which cater to different room sizes and viewing preferences. The AV-25MXP6/V offers a compact 25-inch display, ideal for smaller living spaces or bedrooms, while the AV-21MXP6/V with its 21-inch screen is perfect for desk setups or as a secondary television. The AV-29MXP6/V, on the other hand, boasts a larger 29-inch display, making it suitable for home theaters or larger family rooms.

JVC is renowned for its superior picture technology, and these models are no exception. They utilize a high-quality CRT screen that provides deep contrast, vivid colors, and sharp details. The picture performance is further enhanced by JVC's proprietary circuitry, including a dynamic contrast system that adjusts brightness and contrast levels based on the content being displayed, resulting in a more immersive viewing experience.

Moreover, these televisions come equipped with several input options, including RF, composite, and S-video inputs, allowing users to connect multiple external devices such as DVD players, game consoles, and VCRs. With built-in tuners, viewers can easily access over-the-air broadcasting, making these models versatile entertainment hubs.

Another noteworthy characteristic is the user-friendly interface that JVC has engineered into the AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V models. The on-screen menu provides quick access to settings and customization options, allowing users to tailor the viewing experience to their preferences, including the ability to adjust color tones and picture settings.

In addition to their functionality, these televisions also sport an elegant design that incorporates a sleek frame and aesthetically pleasing finish, making them a suitable complement to any home décor.

Overall, the JVC AV-25MXP6/V, AV-21MXP6/V, and AV-29MXP6/V models represent a harmonious blend of technology, style, and user-centric features, making them reliable choices for anyone seeking quality CRT televisions for their home entertainment needs. Though newer technologies have since emerged, these models remain a fond memory for many who experienced their remarkable performance.

JVC AV-21MXP6/V SUB Bright, Sub, Contrast, SUB Colour, PAL Colour, Secam Colour, Ntsc 3.58 Colour

Models: AV-29MXP6/V AV-21MXP6/V AV-25MXP6/V

Measuring

SUB BRIGHT

Select <4. BRIGHT>.

Set the initial setting value of <4. BRIGHT>.

SUB

CONTRAST

Select <5. CONT>.

Set the initial setting value of <5. CONT>.

SUB COLOUR

PAL COLOUR

Select <6. COLOUR>.

SECAM COLOUR

NTSC 3.58 COLOUR

NTSC 4.43 COLOUR

[CRT SOCKET

PWB]

AV-29MXP6/V, AV-21MXP6/V, AV-25MXP6/V specifications