Hitachi LE55S606 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.
LE55S606
LE55T506
LE55T516
LE55U516
2011.05 v1b
HITACHI TV
HITACHI
Schematic Diagram……...………………………...………16
Connection Diagram……..……….………….……..……..31
Main Parts View.……..……….………………....…….......32
PCB Layout…………..………………………....……….....33
Exploded View…………..……………..……….................38
Parts List………...…..……..............................................43
Features…….……….…........................................……......3
Dimensions………..……..……………………………………4
General Specification...................................…………........5
Firmware Upgrade.………….………….……………..........6
Adjustment…….…………..………..….…………….……...9
Troubleshooting…………...……………………...….........10
Block Diagram.........………………...………….………......14
Table of Contents
LE55S606
LE55T506
LE55T516
LE55U516
LE55S606/LE55T506/LE55T516/LE55U516
2
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.
LE55S606/LE55T506/LE55T516/LE55U516
3
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
LE55S606/LE55T506/LE55T516/LE55U516
This specification applies to the 54.6 inch Color TFT-LCD Module T550HVN01.1. This LCD module has a TFT
active matrix type liquid crystal panel 1,920x1,080 pixels, and diagonal size of 54.6 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 8-bit gray scale signal for each dot.
The T550HVN01.1 has been designed to apply the 8-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
LE55S606/LE55T506/LE55T516/LE55U516
4
Dimensions
55” model (Includes Table Top Stand) Weight (lbs./kg): 56.5/25.6
LE55S606/LE55T506/LE55T516/LE55U516
5
General Specification
Inputs
•Power Input:. AC 120V, 60Hz
• Power Consumption
Maximum Power (55”): 175 W, 1.46A
• 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)
Cable Standard (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/Game/Custom/Pro-Day/Pro-Night
PRO-Mode Lockable Day/Night Memories
Picture Memory by Input
• Screen Aspect Modes: (Normal/Cinema/Zoom/Wide/ Auto)1
• V-Chip Parental Control
• Lighting LOGO l
Audio Performance Features • 6 Sound Modes (Custom, Standard, Movie, Music, News, Equalizer)
• Rated Output Power: 10W+10W (L/R)
Inputs/Outputs
• (4) HDMI®
• (1) MHL (Shared HDMI 4)
• (1) Component Y, Pb, Pr / Composite Video Input
• (1) RGB Video Input
• (1) RGB/DVI Audio Input (3.5mm Stereo)
• (1) USB Multimedia/Service Input
• (1) Antenna (RF) Input
• (1) Digital Audio Output (Optical)
• (1) Headphone/Lineout Output (3.5mm Stereo))
LE55S606/LE55T506/LE55T516/LE55U516
6
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
LE55S606/LE55T506/LE55T516/LE55U516
7
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.
LE55S606/LE55T506/LE55T516/LE55U516
8
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”
LE55S606/LE55T506/LE55T516/LE55U516
9
Adjustment
ADC Adjustment
1. Prepare chroma23291, or equivalent equipment.
2. Connect TV and equipment with a wire.
3. component source:
a. Set equipment: TIM314, PAT185
b. Press “MENU+1999+SELECT” into factory menu, then press the item “Current Source” to “Component
mode”.
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: TIM137, PAT42
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.
LE55S606/LE55T506/LE55T516/LE55U516
10
Troubleshooting
1). No Picture, No Sound
First, confirm the status of Stand-by / On lamp (LED), then survey by following the flowchart as shown below.
Status of Stand-by / On lamp (LED) Estimated cause, method of survey
Not lighting Confirm the connection of AC cord is complete, and AC
switch is turned on, then forward to (1).
Lighting in red Power save mode of Video or PC input. It is not defect.
Lighting in red Turn power on by remote controller.
If it does not turn power on, forward to (2).
Lighting in blue Forward to (2).
(1) Stand-by / On lamp (LED)
is not lighting
The voltage of
pin No.11,No.12 of
CN701 on
Main Board is 5V?
Power Board
No
Yes
Main Board
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