SECTION 4

ADJUSTMENTS

4.1ADJUSTMENT PREPARATION

(1)You can make the necessary adjustments for this unit with either the remote control unit or with the adjustment equipment and parts as given below.

(2)Adjustment with the remote control unit is made on the basis of the initial setting values, however, the new setting values which set the screen to its optimum condition may differ from the initial settings.

(3)Make sure that AC power is turned on correctly.

(4)Turn on the power for the set and test equipment before use, and start the adjustment procedures after waiting at least 30 minutes.

(5)Unless otherwise specified, prepare the most suitable reception or input signal for adjustment.

(6)Never touch any adjustment parts, which are not specified in the list for this variable resistors, transformers, trimmer capacitors, etc.

4.2PRESETTING BEFORE ADJUSTMENT

Unless otherwise specified in the adjustment instructions, preset the following functions with the remote control unit.

Setting item

Settings position

 

 

VIDEO STATUS

STANDARD

PICTURE

All 00

(TINT / COLOR / BRIGHT/PICTURE /

DETAIL)

 

COLOR TEMPERATURE

LOW

DIG. NOISE CLEAR

OFF

COLOR MANAGEMENT

ON

DYNAMIC GAMMA

ON

SOUND

All 00

(BASS / TREBLE / BALANCE)

 

MTS

STEREO

BBE

OFF

A.H.S

OFF

SMART SOUND

OFF

[HD-52Z585 / HD-61Z585]

 

 

 

ASPECT

FULL

4.3MEASURING INSTRUMENT AND FIXTURES

1)DC voltmeter (or Digital voltmeter)

2)Oscilloscope

3)Signal generator (Pattern generator)

[ NTSC / 525i / 750p / 1125i / DIGITAL]

4)TV audio multiplex signal generator

5)Remote control unit

4.4ADJUSTMENT ITEMS

OPTICAL BLOCK / DRIVE CIRCUIT

LENS FOCUS adjustment

DRIVE CONVERGENCE adjustment

DRIVE CENTER POSITION adjustment

VIDEO CIRCUIT

525i A-D OFFSET adjustment

1125i BRIGHTNESS adjustment

1125i A-D OFFSET adjustment

SUB SCREEN A-D OFFSET adjustment

WHITE BALANCE (HIGHT LIGHT)

MTS CIRCUIT

MTS INPUT LEVEL adjustment

MTS SEPARATION adjustment

(No.YA092B)1-23

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JVC HD-52Z575 service manual Section Adjustments

HD-52Z575 specifications

The JVC HD-52Z575, HD-61Z585, HD-61Z575, and HD-52Z585 are high-definition rear-projection televisions that were part of JVC's impressive line-up in the early 2000s. These models showcased the brand's commitment to providing quality home theater experiences with advanced features and technologies.

One of the standout characteristics of these models is their use of D-ILA (Direct-Drive Image Light Amplifier) technology. D-ILA is a type of liquid crystal display technology similar to LCoS (Liquid Crystal on Silicon) that enhances picture quality by delivering deeper blacks and more vibrant colors. This technology enables the TVs to produce stunning visuals with impressive contrast ratios, making them ideal for various viewing environments.

These models are available in different screen sizes, with HD-52Z575 and HD-52Z585 featuring 52-inch screens, while the HD-61Z585 and HD-61Z575 boast larger 61-inch displays. This range offers versatility for consumers, catering to different room sizes and viewing preferences.

All four models support 1080p resolution, providing an exceptional level of detail and clarity for HD content. This feature makes them suitable for viewing high-definition broadcasts, Blu-ray films, and gaming, allowing users to immerse themselves in their favorite content. The screens also feature a wide viewing angle, ensuring that everyone in the room gets a good view without compromising picture quality.

Connectivity is another strength of these JVC models. Equipped with multiple HDMI ports, component video inputs, and composite inputs, these televisions provide compatibility with a wide range of devices, from gaming consoles to DVD players. Users can easily connect their favorite devices, expanding their entertainment options.

In terms of audio, these JVC TVs are built to complement their visual capabilities, featuring integrated speakers that deliver decent sound quality for everyday use. For those who seek an enhanced audio experience, they offer optical digital audio outputs for external sound systems.

In conclusion, the JVC HD-52Z575, HD-61Z585, HD-61Z575, and HD-52Z585 are notable for their advanced display technologies, high-definition resolutions, and versatile connectivity options. Their D-ILA technology ensures a superior viewing experience, making these rear-projection TVs a compelling choice for any home theater enthusiast looking to enjoy high-quality visuals and sound. Although released in the early 2000s, these models remain a testament to JVC's dedication to innovation and excellence in the television market.