Wednesday, February 18, 2015

SONY KDL-32L504 SERVICE MODE AND DISASSEMBLING

SONY KDL-32L504

LCD TV


SERVICE MODE AND DISASSEMBLING 

Self Check
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:
DISPLAY > Channel 5 > Volume > POWER .
The Self Check list displays. This differs from accessing Service Adjustments. Results for all of the following diagnostic items are displayed on screen. No error has occurred if the screen displays a “0”.
NOTE: If the Service Menu display text is not completely visible, press the Menu HOME button on the Remote Commander to refresh the display.

3. To exit Self Check display, turn the power off. Press [Menu] Exit.
4. To return to Service Mode screen select the BACK button.

Clearing the Self Check Diagnostic List
In Service Mode, press the Channel 8 > Channel 0 .
RESETTING TO FACTORY DEFAULTS
Use the following instructions to restore the User Controls and Channel Memory settings to the preset factory conditions.
1. While holding down the UP arrow  on the Remote Commander, press the POWER button on the right side of the set. The set restarts and displays the initial setup screen. This may take several minutes.
Note: Additonal information regarding the Self-Diagnostic function, will be reviewed in the Training Manual for this model.
SERVICE MODE
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander within a second of each other:

DISPLAY > Channel 5 > Volume + > POWER .

DISASSEMBLING 

REAR COVER REMOVAL1 Remove 12 screws from Rear Cover
2 Remove 1 screw from Side Jack position
3 Remove 2 screws from Terminal position
4 Remove 2 screws from Rear Cover
5 Push side of Power Switch to release tab while removing Rear Cover.

SWITCH UNIT REMOVAL (CONTAINS H1 BOARD)
Push side of Power Switch and release Bezel tab while lifting up Switch Unit from Bezel
2 Slide out Switch unit from Bezel, then disconnect 1 connector from
Switch Unit (Contains H1 Board)

TABLE-TOP STAND ASSEMBLY AND UNDER COVER REMOVAL
1 Gently place the TV set face down onto a soft cloth
2 Remove 1 screw from Under Cover
3 Remove 4 screws Table-Top Stand Assembly
4 Slide Table-Top Stand Assembly out away from Bottom Bracket


LOUDSPEAKER REMOVAL
1 Remove 1 screw from each Speaker Baffl e Plate (2 total)
2 Remove 4 screws from each loudspeaker (8 total)
3 Disconnect speaker wire


BRACKETS AND SPINE REMOVAL
1 Remove 1 screw from Main Bracket and Bezel
2 Remove 2 screws from Spine (L) and Top Bracket
3 Remove 2 screws from Top Bracket
4 Remove 2 screws from Spine (R)
5 Remove 2 screws from Bottom Bracket


H2 BOARD AND LCD PANEL REMOVAL
1 Disconnect LVDS connector from TCON
2 Remove 2 screws from bottom of panel and release LCD panel from Bezel
3 Disconnect 1 connector from Inverter Board
4 Disconnect 1 connector from H2 Board
5 Remove 1 screw from H2 Board.



CLEANING THE LCD PANEL
CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.
Clean the cabinet of the TV with a dry soft cloth. Wipe the LCD screen gently with a soft cloth. Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water. If using a chemically pretreated cloth, please follow the instruction provided on the package. Never use strong solvents such as a thinner, alcohol or benzine for cleaning. Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation.

ETC-INVERTER MT BOARD REMOVAL
1 Remove 5 screws from Board cover
2 Pull out the Board from Lamp socket.