Hitachi 26ld8000ta Service Manual

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT. 
LCD Television
July  2005   Digital Media Division
YKNo.019E
SERVICE MANUAL 26LD8000TA
Be sure to read this manual before servicing. To ensure safety from fi
 re, 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 qualifi  ed service personnel only. To 
reduce the risk...

 
 
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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. 
z 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. 
 
z Also note these cautionary icons 
 
This means CAUTION 
 
This means MUST 
 
This means POTENTIAL ELECTRIC 
SHOCK 
 This means DO...

 
 
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 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. 
 
„ Prevent electric shock. 
 
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...

 
 
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PRECAUTIONS 
z 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.   
 
z Cleaning the TVs cabinet 
Use a soft...

 
 
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2. Specifications 
Display 
dimensions Approx. 26.005nches (604 (H) x 323 (V) mm, diagonal 600.53mm) 
Panel 
Resolution  1366 (H) x 768 (V) pixels 
Net dimensions  661.9 (W) x 522.5 (H) x 266.9(D) mm        (With Base) 
Net weight    18 kg (With Base) 
Temperatur  Operating: 0°C to 40°C, Storage: -15°C to 50°C Ambient 
conditions 
Relative umidity  Operating: 20% to 80%, Storage: 20% to 90% (non-condensing) 
Power supply  AC100 - 240V, 50/60Hz 
Power consumption/at standby  

 
 
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3..Component names 
¾ [Main unit] 
Control panel 
z An Adjustment buttons are located on the top of 
the control panel 
z Indications for each buttons function can be found 
on the inside of the control panel cover. 
 
 
 
 
1. SUB-POWER  4. VOL X 7.MENU 
2. PROGRAM S 
4. RIGHTX 7.ENTER 
2. UP S 5. VOL W  
3. PROGRAM T 
5. LEFT W  
3. DOWN T 6. INPUT  Normal Button Action 
  
6.EXIT            Button Action when MENU engaged
 
 
 
The main power switch is located at the right 
side of the back. 
 

 
 
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¾ [Remote Control]  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
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4.Service points   
z Lead-free solder   
This product uses lead-free solder (unleaded) to help protect the environment. Please read these instructions 
before attempting any soldering work.   
 
Caution: Always wear safety glasses to prevent fumes or molten solder from getting into   
the eyes. Lead-free solder can splatter at high temperatures (600℃).  
 
„ Lead-free solder indicator   
Printed circuit boards using lead-free solder are engraved with an 
 label. 
 
„ Properties of lead-free solder...

 
 
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5.Adjustment 
5.1 SERVICE (FACTORY) MODE ACCESS 
This model has a Factory Mode, where the technician can access and adjust some of the color temperature 
settings. The Factory Mode has several different appearances, depending on the input signal. 
 
 
 
Picture Setting   
for Factory Model NTSC   
Table1  TV 
Table2  AV (composite)/SV(S-Video) 
Table3  SV(S-video) 
Table4  480i(component) 
Table5  480p(component) 
Table6  1080i/60(component) 
Table7  720P/60(component) 
 
Picture Setting   
for...

 
 
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z FACTORY MODE NAVIGATION 
To navigate through the different menu items, use the 
S or T button on the remote control. The menu items 
will be high-lighted green as navigation occurs. To access a particular adjustment parameter, use the 
“ENTER” button on the remote control, which will cause a new menu to appear. To back up from the 
FACTORY MODE, use the RETURN or EXIT button on the remote control. To leave the FACTORY MODE, 
press POWER button on the remote control. 
 
 
ENTER