Hitachi UltraVision L55S603 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.
Summary
New High Gloss Black Frame; (5) HDMI™ (V.1.3 with x.v.Color™, Deep Color, CEC) - 1080p60, 1080p24 Input
Compatible; New Multi-Function Remote Control; 120Hz 1080p Perfected; Reel 120 Motion Correction;
Dynamic/Standard/Movie/Custom/Game/PRO-Day/Pro-Night Picture Memories; 3 Preset Color Temperatures;
Game Mode; Calibration Menu
Initial Edition 2009-7 v1
Revised Edition 2009-8 v2
L55S603
HITACHI LCD TV
Block Diagram.........……………..………….………......16
Schematic Diagram……...………………………………18
Connection Diagram……..…….………….……..……..37
Main Parts View.……..……..………………....…….......38
PCB Layout………..………………………....……….....39
Exploded View………..……………..……….................48
Parts List…………..……..............................................49
Summary…………..........……..........................……….........1
Features…….……….…..........................................……......4
Dimensions………..……………………………………………5
General Specification....................................…………........6
Firmware Upgrade.………….…………….……………..........7
Adjustment…….…………..………..…….………..….…….....8
Troubleshooting…………...……………………….…….......11
Table of Contents
HITACHI
- NOTICE-
All warranty parts are provided through
Hitachi Customer Service.
All Servicers should call:
800-654-7013
Revised: 041210 or

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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.

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Features
●Enhanced definition LCD display panel
V546H1-LH2 is a 54.6” TFT Liquid Crystal Display module with 22-CCFL Backlight unit and 2ch-LVDS interface.
This module supports 1920 x 1080 HDTV format and can display true 1.073G colors (10bit/color). The inverter
module for backlight is built-in.
●New High Gloss Black Frame
●(5) HDMI™ (V.1.3 with x.v.Color™, Deep Color, CEC) - 1080p60, 1080p24 Input Compatible
●New Multi-Function Remote Control
●120Hz 1080p Perfected
●Reel 120 Motion Correction
●Dynamic/Standard/Movie/Custom/Game/PRO-Day/Pro-Night Picture Memories
●3 Preset Color Temperatures
●Game Mode
●Calibration Menu

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Dimensions

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General Specification
Inputs
Power Input: AC 120V, 60Hz
Power Consumption
Maximum Power: 300 W, 2.5 A
Antenna Input Impedance: 75 Ohm
Channel Coverage: 191ch.
VHF-Band: 2~13; UHF-Band: 14~69
CATV Mid Band: A5~A1, AI
Super Band: J-W; Hyper Band: W+1 - W+28; Ultra Band: W+29 - W+94
Television System: NTSC Standard, ATSC Standard (8 VSB, 64-QAM,
256-QAM)
Video: 1.0Vp-p, 75 Ohm
S-Video
Luminance(Y): 1.0Vp-p, 75 Ohm; Chrominance(C): 0.286Vp-p, 75 Ohm
Component Video
Luminance(Y): 1.0Vp-p, 75 Ohm; Chrominance(Pb/Pr): 0.7Vp-p, 75 Ohm
Audio Input Impedance: more than 20k Ohm
Average Input Level: 470mVrms
HDMI: (19 PIN)
Video
Display Resolution: 1920 x 1080p
Wide Viewing Angle
Color Temperature Presets: High, Standard and Medium
Multiple Screen Fill Modes: (Auto/4:3/16:9/Zoom 1/ Zoom 2/Full)1
4MB 10-bit 3D Y/C Comb Filter
Picture Modes: Dynamic, Standard, Movie, Custom and Game, PRO-Day,
PRO-Night
Audio
CONEQTM Sound Quality
MTS Stereo/SAP
4 Sound Modes (Custom, Standard, Movie, News)
SRS TruSurround HDTM Sound
L55S603: 24W
Inputs/Outputs
Wideband Component Y, Pb, Pr
Composite Video
S-Video
Antenna (RF)Inputs
Audio Output
Optical Output
HDMI
USB Multimedia/Upgrade Slot
RGB Input
RGB Audio Input
Phone Jack for Headphones
DVI Audio Input

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Firmware Upgrade
Equipments and materials
1. TV remote control
2. AC power 110V/ 60Hz
3. Flash storage
Preparations
Use PC to write software to a flash storage, press “on” button to start the TV.(Take L46S603 for example)
1. Insert the flash storage into the USB port, and you will see a picture in which you can choose “YES” or “NO”
(Picture1), you choose “YES”, and then the software will update automatically. (Picture 2)
2. After software update is finished, you put out the flash storage and restart the TV.
3. Press “menu+1999+select”, check whether software version is ok. (Picture 3 the fifth row)
Picture 1
Picture 2
Picture 3

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Adjustment
1. ADC Adjustment
Ⅰ. In the TV mode adjust volume to zero, press menu key and then press number key 1 Æ9 Æ9 Æ9. It will
achieve the factory mode. Select the item of White Balance and press right key to enter it.
Take HTC factory menu for example:
Change TV, press the item “Current Source” to Component mode and change signal to 1080i mode, press the item
“Auto Color”; Change TV, press the item “Current Source” to PC mode and change signal to PC TIMING
137(1024X768) Pattern 147 (16 Grays), press the item “Auto Color”.
2. White Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
Before started adjust white balance, please set the Ca210 Channel to 05 Channel and set it’s mode to xyLv mode.
Color Temp. Cold Normal Warm
x 272 285 313
y 278 293 329
HDMI Mode
Y Panel Max Luminance
Note: The tolerance of the Cold color coordinates should be less than ± 10; The tolerance of the Normal
color coordinates should be less than ± 20; The tolerance of the Warm color coordinates should be less than
± 20;
How to setting the Ca210 channel, you can reference to Ca210 user guide or simple use the “Memory CH” up or
down to set the channel to 05 channel, and use the “Mode” key to set the mode to xyLv.
Following is the procedure to do white-balance adjust

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Note: We can use the HDMI white balance adjustment to cover the white balance of all source modes, this
method is meeting to the Zoran 775 software.
HDMI Mode:
Ⅰ. In the TV mode adjust volume to zero, press menu key and then press number key 1 Æ9 Æ9 Æ9. It will
achieve the factory mode. Select the item of White Balance and press right key to enter it.
Take HTC factory menu for example:
Ⅱ.before to adjust the white balance, please press the factory mode OSD of “Reset” to reset all white
balance factory setting.
In the White Balance you can adjust 8 items.
1> R Offset, G Offset, B Offset ÆR, G, B Offset adjust.
2> R Gain, G Gain, B Gain ÆR, G, B Gain adjust.
3> ZR-Bright adjust;
4>ZR-Contrast adjust;
5>ZR-T ÆColor Temp adjust;
Ⅲ. Gain adjustment:
A. Adjust Cool color-temperature:
1. Set the pattern generator to pattern 104 or 0 IRE pattern. And adjust the Item “ZR-Bright” to min luminance.
2. Switch the Ca210 to xyLv-mode (with press “MODE” button)
3. Switch the Ca210 channel to Channel 05 (with up or down “MEMORY CH” button)
4. The LCD-indicator on Ca210 will show x =272, y =278, Lv can adjust to max luminance.
5. Use the item R Offset and B Offset adjust to Adjust black balance: use 20 IRE(Pattern 190) signal, and adjust the

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black balance, until the Ca210 show x =272, y =278.
6. Use the item R Gain and B Gain to adjust white balance: use 100 IRE (Pattern 105) signal, and adjust the white
balance, until the Ca210 show x =272, y =278.
7. Adjust item “ZR-Contrast” to check color temperature is saturation or not: Add by 7 steps and then to adjust the
item R Gain and item B Gain to check the color temperature is saturation or not, until is saturation.
8. Enter the item “Color Temp” to select another color temperature to adjust.
B. Adjust Normal temperature:
1. Set the pattern generator to pattern 104 or 0 IRE pattern. Adjust the Item “ZR-Bright” value and can adjust to min
luminance
2. Switch the Ca210 to T△uvLv-mode (with press “MODE” button)
3. Switch the Ca210 channel to Channel 05 (with up or down “MEMORY CH” button)
4. The LCD-indicator on Ca210 will show T=9300K.
5. Adjust the Color Temp item: Normal, until Ca210 indicator reached the value T=9300k.
C. Adjust Warm color-temperature:
1. Set the pattern generator to pattern 104 or 0 IRE pattern. Adjust the Item “ZR-Bright” value and can adjust to min
luminance
2. Switch the Ca210 to T△uvLv-mode (with press “MODE” button)
3. Switch the Ca210 channel to Channel 05 (with up or down “MEMORY CH” button)
4. The LCD-indicator on Ca210 will show T=6500K.
5. Adjust the Color Temp item: Warm, until Ca210 indicator reached the value T=6500k.
Press “Exit” button on remote control to quit from factory mode.