3.2 MEMORY IC REPLACEMENT 3.2.1 MEMORY IC

This memory IC stores data for proper operation of the video and Drive circuits.

When replacing, be sure to use an IC containing this (initial value) data.

3.2.2MEMORY IC REPLACEMENT PROCEDURE 1. Power off

Switch off the power and disconnect the power cord from the wall outlet.

2. Replace the memory IC

Initial value must be entered into the new IC.

3. Power on

Connect the power cord to the wall outlet and switch on the power.

4. SERVICE MENU setting

Before entering the SERVICE MENU, confirm that the setting

of TV/CATV SW of the REMOTE CONTROL UNIT is at the

"TV" side and the setting of VCR/DVD SW of the REMOTE

CONTROL UNIT is at the "VCR" side. If the switches have not

been properly set, you cannot enter the SERVICE MENU.

1) Press [SLEEP TIMER] key and while the indication of

SLEEP TIMER 0 MIN is being displayed, press

[DISPLAY] key and [VIDEO STATUS] key (Fig.2)

simultaneously.

2) The SERVICE MENU screen of Fig.1 is displayed.

3) Verify what to set in the SERVICE MENU, and set

whatever is necessary (Fig.1).

Refer to the SERVICE ADJUSTMENT for setting.

4) Press the [BACK] key to return the SERVICE MENU.

5. Receive channel setting

Refer to the OPERATING INSTRUCTIONS (USER'S

GUIDE) and set the receive channels (Channels Preset) as

described.

6. User settings

Check the user setting items according to after page.

Where these do not agree, refer to the OPERATING

INSTRUCTIONS (USER'S GUIDE) and set the items as

SERVICE MENU SCREEN

SERVICE MENU

1.ADJUST

2.SELF-CHECK

3.I2C STOP

Fig.1

3.2.3 SERVICE MENU SETTING ITEMS

Setting item

Item No.

Remark

 

 

 

1.ADJUST

 

 

 

 

 

VIDEO SYSTEM

S001~S039

Adjust

AUDIO SYSTEM

T001~T010

 

 

 

 

PANEL CONTROL SYSTEM

P001~P010

Do not adjust

DRIVE SYSTEM

D001~D187

(Fixed value)

 

 

SYSTEM SETTING

Z001~Z010

 

 

 

 

described.

TV / CATV

TV CATV

VCR DVD

ASPECT

POWER

 

 

 

 

MULTI SCREEN

 

(Set toTV)

TWIN

 

INDEX

 

 

FREEZE

SWAP

SELECT

 

 

INPUT 1

1

2

3

 

V1

Number key

INPUT 2

4

5

6

V2

 

INPUT 3

7

8

9

 

V3

 

INPUT 4

 

0

RETURN+

 

V4

TUNE

TV

 

DIGITAL-IN

THEATER

 

VIDEO

 

PRO

 

STATUS

SLEEP TIMER

D-IN

 

 

 

SLEEP TIMER

+

SOUND

LIGHT

 

 

DISPLAY

(Skip / Enter the SERVICE MENU)

 

 

 

 

MUTING (Memory key)

MUTING

CH

C.C.

 

C.C.

VOL

OK

VOL

FUNCTION

 

CH

 

(Value setting key)

MENU

 

BACK

MENU

VCR CHANNEL

VCR / DVD

TV / VCR

PREV NEXT

POWER

 

 

 

(Come out SERVICE MENU key )

REW

PLAY

FF

POWER

VCR/DVD

(Set to VCR)

SERVICE MENU ITEM SELECT KEY

1 3 & 9

VIDEO STATUS

DISPLAY

(Enter the SERVICE MENU)

FUNCTION

(SERVICE ITEM select key)

BACK

(Return key)

REC

STOP

PAUSE

OPEN CLOSE

 

STILL PAUSE

 

RM-C15G

 

Fig.2

1-20 (No.YA092B)

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JVC HD-52Z575 service manual Memory IC Replacement 3.2.1 Memory IC, Service Menu Setting Items, Adjust

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.