Hitachi LE42S606 User manual

CAUTION: Be sure to read this manual before servicing. To ensure safety from fire, electric shock, injury,

harmful radiation and materials, various measures are provided in this LCD TV. Be sure to read cautionary items

described in the manual before servicing. These servicing instructions are for use by qualified service personnel

only. To reduce the risk of electric shock, do not perform any servicing other than that described in the operating

instructions unless you are qualified to do so.

SERVICE WARNING

1. Replacement work should be started after the Panel Module and the AC/DC Power supply have become

sufficiently cool.

2. Special care should be taken when working near the display area in order not to damage its surface.

3. The Panel Module should not be touched with bare hands in order to protect its surface from blemishes and

damage.

4. It is recommended that you use clean soft gloves during the replacement work in order to protect not only the

display area of the Panel Module but also yourself.

LE42S606

LE46S606 2012.08 v1

HITACHI TV

HITACHI

Schematic Diagram……...………………………...………17

Connection Diagram……..……….………….……..……..34

Main Parts View.……..……….………………....…….......35

PCB Layout…………..………………………....……….....37

Exploded View…………..……………..……….................45

Parts List………...…..……..............................................48

Features…….……….…........................................……......3

Dimensions………..……..………………………….…..……4

General Specification...................................…………........6

Firmware Upgrade.………….………….……………..........7

Adjustment…….…………..………..….…………….……...10

Troubleshooting…………...……………………...….........11

Block Diagram.........………………...………….………......15

Table of Contents

LE42S606

LE46S606

-NOTICE-

All warranty parts are provided through Hitachi Customer

Service.

Authorized servicers in the US and Canada should call :

800-654-7013 for warranty parts.

10/17/2012

LE42S606/LE46S606

Caution for Safety

Please read this page before repair the TV.

The following safety precautions are designed to help you stay safe and prevent accidents during the repair work.

●Please take note of these cautionary flags.

WARNING This means "Potential to sustain injury or even death."

CAUTION This means "Potential to sustain breakage or irreparable damage."

●Also note these cautionary icons.

This means "CAUTION" This means "MUST"

This means "POTENTIAL

ELECTRIC SHOCK" This means "DO NOT"

WARNING

■Follow instructions. ■Must use same types of wires and components.

The cabinet, chassis, and labels

are parts that require attention.

You must follow the caution notes

and safety instructions presented

throughout this User Manual to

prevent damage to them or injury

to yourself.

The TV uses special tubes and

tapes made from insulated

materials. Moreover, some

materials are kept from making

contact with the PWB for the sake

of safety. Internal leads are kept

from hot parts or high voltage

parts by means of clamps or

other measures. As such, you

must restored these parts to their

original conditions in order to

prevent electric shock or fire.

■Prevent electric shock.

Exercise caution while working

on the device as the TV contains

high voltage parts and supply. It

is possible to sustain severe

injury or death if you accidentally

touch the wrong parts. You must

disconnect the power supply

while servicing, reassembling, or

change parts. If you touch a live

connection it is possible to

sustain severe injury or death.

■Perform safety check when done.

Every part (such as removed

screws, components, and wiring)

must be restored to their prior

conditions after servicing. Be

sure to check everything that was

repaired for damage or mistakes.

Also measure the insulated

impedance with a meg-ohm

meter to confirm that the

impedance value is more than 4M

ohm. If the impedance value is

less than 4M ohm, then electric

shock or fire may result.

■Use recommended components.

Use only the recommended

components or components that

structurally identical to the

originals. This is to ensure safety

and reliability. Pay special

attention to parts in the parts list

and circuit diagrams marked with

. If you use

non-recommended components,

then electric shock or fire may

result.

LE42S606/LE46S606

PRECAUTIONS

●Cleaning the TV’s LCD screen panel

Before cleaning the TV, turn it off and disconnect the power plug from the power outlet. To prevent scratching or

damaging of the LCD screen face, do not knock or rub the surface with sharp or hard objects. Clean the screen with

a soft cloth moistened with warm water and dry with a second soft cloth. If it is not enough, then use a cloth with mild

detergent. Do not use harsh or abrasive cleaners.

●Cleaning the TV's cabinet

Use a soft cloth to clean the TV's cabinet and control panel. When excessively soiled, dilute a neutral detergent in

water, wet and wring out the soft cloth in it, gently clean the cabinet, and then wipe it down with a dry soft cloth.

Never use acid/alkaline detergents, alcoholic detergents, abrasive cleaners, powder soaps, OA cleaners, car wax,

glass cleaners, and so on. They will cause discoloration, scratches or cracks.

Features

●Enhanced definition LCD display panel

This specification applies to the 46.0 inch Color TFT-LCD Module T460HVN03.1. This LCD module has a TFT

active matrix type liquid crystal panel 1,920x1,080 pixels, and diagonal size of 46.0 inch. This module supports

1,920x1,080 mode. Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical

stripes. Gray scale or the brightness of the sub-pixel color is determined with a 10-bit gray scale signal for each dot.

The T460HVN03.1 has been designed to apply the 10-bit 4 channel LVDS interface method. It is intended to support

displays where high brightness, wide viewing angle, high color saturation, and high color depth are very important.

Picture Performance:

• 120Hz 1080p Perfected (1920 x 1080)

• Reel120® Motion Correction

• HDMI® Key Features

- InstaPort

- CEC(Consumer Electronics Control)

- ARC(Audio Return Channel)

- 1080p/60/24

• MHL (Mobile High-Definition Link)

• 3D Y/C Comb Filter

• 3 Preset Color Temperatures

• Custom White Balance

•Game Mode

LE42S606/LE46S606

Dimensions

LE42S606/LE46S606

General Specification

Inputs

• Power Input: AC 120V, 60Hz

• Power Consumption

Maximum Power LE42S605: 100W, 0.85A

Maximum Power LE46S605: 140W, 1.15A

• Antenna Input Impedance: 75 Ohm

• Channel Coverage: 191ch.

VHF-Band: 2~13

UHF-Band: 14~69

CATV Mid Band: A5~A1, A~I

Super Band: J~W

Hyper Band: W+1~W+28

Ultra Band: W+29~W+94

• Television System: NTSC Standard;

ATSC Standard (8VSB, 64-QAM, 256-QAM)

• Video: 1.0Vp-p, 75 Ohm

• Component Video

Luminance(Y): 1.0Vp-p, 75 Ohm

Chrominance(Pb/Pr): 0.7Vp-p, 75 Ohm

• Audio Input Impedance: >10k Ohm

• Audio Input Sensitivity: 500mVrms

• HDMI: (19 PIN)

Convenience Features

• Picture Modes:

Dynamic/Standard/Movie/Game/Custom/Pro-Day/Pro-Night

PRO-Mode Lockable Day/Night Memories

PRO-Mode Timer

Picture Memory by Input

• Screen Aspect Modes: (Auto/4:3/16:9/Zoom1/Zoom2/Full)1

• Intelligent Light Sensor

• V-Chip Parental Control

Audio Performance Features

• CONEQ™ Hearing Aid Mode

• CONEQ™ 3D Sound

• 4 Sound Modes (Custom, Standard, Movie, News)

• Rated Output Power: 10W+10W (L/R)

Inputs/Outputs

• (3) HDMI®

• (1) Component 1 Y, Pb, Pr / Composite Video Input

• (1*) RGB/Component 2 Y, Pb, Pr Input

• (1) RGB/DVI/Component 2 Audio Input (3.5mm Stereo)

• (1) USB Multimedia/Service Input

• (1) Antenna (RF) Input

• (1) Audio (L,R) Output (3.5mm Stereo)

• (1) Digital Audio Output (Optical)

• (1) Headphone Output (3.5mm Stereo)

* RGB/Component2 (Shared D-Sub 15, Adapter Not Included)

LE42S606/LE46S606

Firmware Upgrade

Step 1: Ready for F/W Upgrade

1.1 Prepare a USB memory (The file system of USB memory is FAT16 or FAT 32 best).

1.2 Copy the file (Take LE46S605 for example:

HTC_LE46S605_USA_ZR748-A2_PCB4491-D_V0.05_20110218_72DB.ecc) from your computer to the folder

named “USB Update" then copy this folder to USB memory root path, and remove it from computer’s USB port!

Note:

1) The version of this F/W is V0.05.

2) Make sure there is only one F/W file in the “USB Update” folder.

Step 2: F/W Upgrade

2.1 AC ON TV(Power plug Figure 2.1/2.2)

Figure2.1 Figure2.2

2.2 Press the power key on the Remote Control or the right side of TV to turn on TV.

Figure2.3 Figure2.4

LE42S606/LE46S606

2.3 Plug the USB memory on the USB port on the side I/O port of TV.(Figure 2.5)

Figure 2.5

2.4 When TV detect the USB memory and display below Upgrade info (Figure 2.6), press “Left” & “OK” button(on

the Navigation Keys on the Remote control, to select “Yes” option to download F/W. Take LE46S605 for

example:

Figure 2.6

2.5 TV will upgrade automatically.

Note: When Upgrade on the process, please don’t Power-Off! (Figure 2.7)

Figure 2.7

2.6 When upgrade 100% and prompt for Upgrade Success info, remove the USB Drive and AC off and on to reset

TV.

Step 3: Check the F/W version and reset to default.

LE42S606/LE46S606

3.1 Press “MENU”+”1”+”9” +”9” +”9”+”SELECT” key to enter the factory mode (Figure 3.1).

Figure 3.1

3.2 Check the F/W version on the fifth row of the factory mode info. If F/W version is incorrect, please check the

version of F/W in your USB memory, else let’s go to Step 3.3. Take LE46S605 for example:

Figure 3.2

3.3 If F/W version is correct, exit factory menu and do reset in OSD. Restart the TV last.

DDC Upgrade

As the DDC data were included in the software, this model does not need a separate DDC upgrade.

Do the following steps rapidly:

1. Press “MENU”;

2. Press”1”+”9” +”9” +”9”;

3. Press “SELECT”

LE42S606/LE46S606

Adjustment

ADC Adjustment

1. Prepare chroma23291, or equivalent equipment.

2. Connect TV and equipment with a wire.

3. Ypbpr source:

a. Set equipment: T314, P185(720x480@60Hz, SMTPE Bar).

b. Press “MENU+1999+SELECT” into factory menu, then press the item “Current Source” to “Ypbpr”.

c. Press the item “Auto Color” and the process will show “Doing”.

d. Finish ADC and “Doing” will disappear.

4. VGA(RGB) source:

a. Set equipment: T137, P14 (1024x768@60Hz, 16Gray).

b. Press “MENU+1999+SELECT” into factory menu, then press the item “Current Source” to “RGB”.

c. Press the item “Auto Color” and the process will show “Doing”.

d. Finish ADC and “Doing” will disappear.

This manual suits for next models

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