Sony Bravia KDL-46HX823 User manual

SERVICE MANUAL
Version Date Subject
1.0 4/2011 Original manual issue.
2.0 8/2012 Added (A/V) and (SCART) to the description of the CABLE CONVERSION. (P.96, P.97)
LCD Digital Color TV
9-888-424-02
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 4/2011 AZ2F CHASSIS
Segment: 2b-2
KDL-46/55HX820,823,825 (AEP/UK)
S/N range 3,000,001-3,999,999 (FX)

SERVICE MANUAL
LCD Digital Color TV
AZ2F CHASSIS
Segment: 2b-2
9-888-424-02

KDL-46/55HX820,823,825(AEP/UK) 3
MODEL LIST
MODEL COLOR COMMANDER DEST.MODEL COLOR COMMANDER DEST.
KDL-46HX820 Black RM-ED044 AEP
KDL-46HX823 Black RM-ED044 AEP/UK
KDL-46HX825 Black RM-ED044 AEP
KDL-55HX820 Black RM-ED044 AEP
KDL-55HX823 Black RM-ED044 AEP/UK
KDL-55HX825 Black RM-ED044 AEP

KDL-46/55HX820,823,825(AEP/UK) 4
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.
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.
CARRYING THE TV
Be sure to follow these guidelines to protect your property and avoid causing serious injury.
• Carry the TV with an 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 damages.
SAFETY-RELATED COMPONENT WARNING!!
Components identified by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe operation. Replace these components with Sony
parts whose part numbers appear as shown in this manual or in supplements published by Sony. 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.

KDL-46/55HX820,823,825(AEP/UK) 5
WARNINGS AND CAUTIONS -FRENCH
ATTENTION!!
Ces instructions de service sont à l’usage du personnel de service qualifi é 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 qualifi é faire ainsi.
WARNING!!
Afi n 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.
POUR TRANSPORTER LE TÉLÉVISEUR
Tenez compte de ce qui suit pendant l’installation du téléviseur :
• Débranchez tous les câbles avant de transporter le téléviseur.
• Transportez 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!!
Afi n d’eviter tout risque d’electrocution provenant d’un chassis sous tension, un transformateur d’isolement doit etre utilise lors de tout depannage. Le chassis de ce recepteur est
directement raccorde a l’alimentation du secteur.
ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!
Les composants identifi es 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 identifi es dans le present manuel. Suivre ces procedures lors de chaque remplacement de
composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.

KDL-46/55HX820,823,825(AEP/UK) 6
WARNINGS AND CAUTIONS
USE CAUTION WHEN HANDLING THE LCD PANEL
When repairing the LCD panel, be sure you are grounded by using a wrist band.
When repairing the LCD panel on the 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 (CCFL) 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) It is recommended not to exceed 1 hour of Power-On nor Burn-in period with LCD panel face down condition, in repair activity.

KDL-46/55HX820,823,825(AEP/UK) 7
- Please hold the long side more than 200mm from the short side. (Fig.1)
- When you ground Tengo panels beneath, ground it on the level slowly. (Fig.2)
More than 200mm from the short side
HANDLING THE TENGO PANEL
When handling the TENGO panel, please obey the following instructions.
WARNINGS AND CAUTIONS
Fig.1
Fig.2

KDL-46/55HX820,823,825(AEP/UK) 8
By following handling, resin separation/cracking of glass may be occurred, “restrict” the following items.
1. Temporarily putting on lower cushion with bottom of glass. (Fig.1)
2. Ground with the bottom of glass. (Fig.2)
3. Grip as palm touches glass side. (Fig.3)
4. Hold the short side. (Fig.4)
5.Hold glass only when glass side up. (Fig.5)
Easy to bent
WARNINGS AND CAUTIONS
Fig.1 Fig.2 Fig.3
Fig.5
Fig.4

KDL-46/55HX820,823,825(AEP/UK) 9
When replacing the Tengo panel at service, please note the followings.
- Unpack the carton box, pull out the panel with reinforcing plates. (Fig.3)
-Together with reinforcing plates, place the panel with face down slowly. (Fig.4)
* Please use the reinforcing plates as operating table.
NOTES ON REPLACING THE TENGO PANEL
WARNINGS AND CAUTIONS
Fig.3 Fig.4

KDL-46/55HX820,823,825(AEP/UK) 10
When replacing the Tengo panel at service, please note the followings.
- Unpack the package of Tengo panel. (Fig.5)
- Cut protection bag at the center of the back of panel. (Fig.6)
* Please cut the protection bag carefully, the bag will be used for re-packing.
WARNINGS AND CAUTIONS
Fig.6Fig.5