Read Sony KDL-24R400A / KDL-24R405A / KDL-24R407A / KDL-32R400A / KDL-32R405A / KDL-32R407A / KDL-32R421A / KDL-32R425A / KDL-40R450A / KDL-40R455A / KDL-40R457A / KDL-40R471A / KDL-40R475A / KDL-46R450A / KDL-46R455A / KDL-46R457A / KDL-46R471A Service Manual online
LCD DIGITAL COLOR TV
SERVICE MANUAL
9-883-556-51
LEVEL
3
CONFIDENTIAL
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ELECTRICAL SERVICE
INTERNAL DISTRIBUTION ONLY
REVISION DATE
SUBJECT
11/15/2013
Original Manual Release Date
Self Diagnosis
Supported model
MODEL
COMMANDER
DESTINATION
KDL-24R400A
RM-YD092
Mexico / Latin America
KDL-24R405A
RM-YD093
Chile / Peru / Venezuela
KDL-24R407A
RM-YD093
Colombia
KDL-32R400A
RM-YD093
US / Canada
KDL-32R400A
RM-YD092
Mexico / Latin America
KDL-32R405A
RM-YD093
Chile / Peru / Venezuela
KDL-32R407A
RM-YD093
Colombia
KDL-32R421A
RM-YD092
Mexico
KDL-32R425A
RM-YD093
Chile / Peru / Venezuela
KDL-40R450A
RM-YD092
US / Canada
KDL-40R450A
RM-YD092
Mexico / Latin America
KDL-40R471A
RM-YD092
Mexico
KDL-40R457A
RM-YD093
Colombia
KDL-40R455A
RM-YD093
Chile / Peru / Venezuela
KDL-40R475A
RM-YD093
Chile / Peru
KDL-46R450A
RM-YD092
Mexico / Latin America
KDL-46R450A
RM-YD092
Canada
KDL-46R455A
RM-YD093
Chile / Peru / Venezuela
KDL-46R457A
RM-YD093
Colombia
KDL-46R471A
RM-YD092
Mexico
RB1FK
CHASSIS
Segments: BA
ORIGINAL MANUAL ISSUE DATE: 11/2013
Chassis: RB1FK, BA
Chassis: RB1FK, BA
2
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION 1: DIAGRAMS ...................................................................................................................................................................................................3
1-1. Printed Circuit Boards and Schematic Diagrams Information ....................................................................................................................3
1-2. Connector Diagrams ........................................................................................................................................................................................4
1-3. Main Board (A Board) ......................................................................................................................................................................................5
1-2. Connector Diagrams ........................................................................................................................................................................................4
1-3. Main Board (A Board) ......................................................................................................................................................................................5
A Board Component Side ................................................................................................................................................................................5
A Board Conductor Side ..................................................................................................................................................................................6
A Board Schematic ..........................................................................................................................................................................................7
1-4. Electrical Parts List / Main Board (A) ..........................................................................................................................................................27
SECTION 2: POWER SUPPLY BOARD (G BOARD) .....................................................................................................................................................28
G Board Component Side .............................................................................................................................................................................28
G Board Schematic ........................................................................................................................................................................................29
SECTION 3: IR BOARD (H BOARD) ..............................................................................................................................................................................30
H Board Component Side ..............................................................................................................................................................................30
H Board Conductor Side ...............................................................................................................................................................................30
H Board Schematic ..........................................................................................................................................................................................31
APPENDIX A: ENCRYPTION KEY COMPONENTS ..................................................................................................................................................... A-1
Chassis: RB1FK, BA
CAUTIONS AND WARNINGS
CAUTION
. To reduce the risk of electric shock, do not
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, in case of live chassis.
!
SAFETY-RELATED COMPONENT WARNING!!
shading and
!
mark on the schematic diagrams and the parts list. It is essential that these critical parts be replaced only
NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the
original parts and labor warranty.
ATTENTION!!
ainsi.
ALERTE!!
lors de tout dépannage.
!
ATTENTION AUX COMPOSANTS
RELATIFS A LA SECURITE!!
!
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
present manuel. Suivre ces procedures lors de chaque remplacement de composants critiques, ou lorsqu’un mauvais
fonctionnement suspecte.
Chassis: RB1FK, BA
3
Chassis: RB1FK, BA
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.
To avoid damaging the LCD panel:
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.
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
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.
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 proper ventilation.
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.
Do Not
use any cleaning product containing alkaline/acid cleaner, scouring powder, or volatile solvent, such as
alcohol, ammonia, benzine, thinner or insecticide. Using any of these harsh cleaners may result in permanent
damage to the screen.
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.
SETTING UP AND CARRYING THE TV
• Disconnect all cables when 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.
Chassis: RB1FK, BA
4
