DOWNLOAD Sony KDL-55BX520 Service Manual ↓ Size: 1.25 MB | Pages: 53 in PDF or view online for FREE

Model
KDL-55BX520
Pages
53
Size
1.25 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-55bx520.pdf
Date

Sony KDL-55BX520 Service Manual ▷ View online

KDL-55BX520 1
WARNINGS AND CAUTIONS - ENGLISH
CAUTION
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 contained in the operating instructions unless you are qualified to do so.
CARRYING THE TV
• Carry the TV with the adequate number of people; larger size TVs require two or more people.
• Correct hand placement while carrying the TV is very important for safety and to avoid damage.
• Disconnect all cables when carrying the TV.
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis. The chassis of this receiver is 
directly connected to the AC power line.
!
SAFETY-RELATED COMPONENT WARNING!!
Components identified by shading and 
!
 
mark on the exploded views are critical for safe operation. 
Replace all components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony. It is essential 
that all critical parts be replaced only with the part number specified in this manual to prevent electric shock, fire, or other hazard.
Circuit adjustments that are critical for safe operation are identified in this manual. 
Follow these procedures whenever critical components are replaced or improper operation is suspected. 
NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the original parts and labor 
guarantee.
SECTION 1 - SAFETY AND FEATURES
KDL-55BX520 2
SECTION 1 - SAFETY AND FEATURES
CAUTION
W
 
Do Not
 use paper towels, any type of abrasive pad, rags, rubber or vinyl materials to clean the screen. Using these materials could easily 
scratch the screen which may result in permanent damage.
W
 
Do Not
 use any cleaning product containing alkaline/acid cleaner, scouring powder, or volatile solvent, such as alcohol, ammonia,  
  benzene, thinner or insecticide. Using any of these harsh cleaners may result in permanent damage to the screen.
W
 
Do Not 
spray water or detergent directly onto the TV screen . If liquid drips into the bottom of the screen it may cause a failure.
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.
R
  Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water.
R
  If using a chemically pretreated cloth, please follow the instruction provided on the package.
R
  Never use strong solvents such as a thinner, alcohol or benzine for cleaning. 
R
  Periodic vacuuming of the ventilation openings is recommended to ensure to proper ventilation.
KDL-55BX520 3
SECTION 1 - SAFETY AND FEATURES
SAFETY-RELATED WARNINGS
USE CAUTION WHEN HANDLING THE LCD PANEL
When repairing the LCD panel, be sure you are grounded by using a wrist band.
When installing the LCD panel on a wall, the LCD panel must be secured using the 4 mounting holes on the rear cover. 
1.  Do not press on the panel or frame edge to avoid the risk of electric shock.
2.  Do not scratch or press on the panel with any sharp objects.
3.  Do not leave the module in high temperatures or in areas of high humidity for an extended period of time.
4.  Do not expose the LCD panel to direct sunlight.
5.  Avoid contact with water. It may cause a short circuit within the module.
6.  Disconnect the AC power when replacing the backlight or inverter circuit. 
 
(High voltage occurs at the inverter circuit at 650Vrms).
7.  Always clean the LCD panel with a soft cloth material.
8.  Use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short.
9.  Protect the panel from ESD to avoid damaging the electronic circuit (C-MOS).
10. During the repair, 
DO NOT leave the Power On for more than 1 hour while the TV is face down on a cloth
.
KDL-55BX520 4
SECTION 1 - SAFETY AND FEATURES
WARNINGS AND CAUTIONS - FRENCH
ATTENTION!!
Ces instructions de service sont à l’usage du personnel de service qualifié seulement. Pour prévenir le risque de choc électrique, ne pas faire 
l’entretien autre que celui contenu dans le Mode d’emploi à moins que vous soyez qualifié faire ainsi.
POUR TRANSPORTER LE TÉLÉVISEUR
• T ransportez le téléviseur avec le nombre de personnes approprié ; un téléviseur de grande  
taille doit être transporté par au moins deux personnes.
•   Lors du transport du téléviseur , l’emplacement des mains est très important pour votre  
sécurité, ainsi que pour éviter de causer des dommages.
ALERTE!!
Afin d’eviter tout risque d’electrocution provenant d’un chássis sous tension, un transformateur d’isolement doit etre utilisé lors de tout dépannage. 
Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.
!
 
ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!
Les composants identifies par une trame et par une marque 
!
sur les schemas de principe, les vues explosees et les listes de pieces sont 
d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants Sony dont le numero de piece est 
indique dans le present manuel ou dans des supplements publies par Sony. Les reglages de circuit dont l’importance est critique pour la securite 
du fonctionnement sont identifies dans le present manuel. Suivre ces procedures lors de chaque remplacement de composants critiques, ou 
lorsqu’un mauvais fonctionnement suspecte.
Page of 53
Display

Click on the first or last page to see other KDL-55BX520 service manuals if exist.