Read Sony KDL-22BX325 / KDL-32BX325 / KDL-32BX425 / KDL-40BX425 (serv.man4) Service Manual online
LCD DIGITAL COLOR TV
SERVICE MANUAL
AZ2-TK
CHASSIS
MODEL COMMANDER DESTINATION
9-883-853-52
KDL-22BX325 RM-YD066 ARGENTINA
KDL-32BX325
RM-YD066
ARGENTINA
KDL-32BX425 RM-YD066 ARGENTINA
KDL-40BX425 RM-YD066 ARGENTINA
LEVEL
3
CONFIDENTIAL
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
CONFIDENTIAL
ELECTRICAL SERVICE MANUAL
INTERNAL ONLY
ORIGINAL MANUAL ISSUE DATE: 5/2011
REVISION
DATE
SUBJECT
5/3/2011
No revisions or updates are applicable at this time.
1/17/2012
Added Warnings and Caution information.
Updated
Safety-Related
Warning
information.
Updated Safety Check-Out information. Reissue entire manual.
2
KDL-22BX325/32BX325/32BX425/40BX425
KDL-22BX325/32BX325/32BX425/40BX425
TABLE OF CONTENTS
SECTION TITLE
PAGE
Warnings and Cautions .................................................................................................................................................................................................... 3
Safety-Related Warning .................................................................................................................................................................................................... 4
Safety Check-Out............................................................................................................................................................................................................... 5
SECTION 1: DIAGRAMS ................................................................................................................................................................................................... 7
1-1. Circuit Boards Location ...................................................................................................................................................................................... 7
1-2. Printed Wiring Boards and Schematic Diagrams Information ............................................................................................................................ 8
1-3. Block Diagram .................................................................................................................................................................................................. 10
1-4. Connector Diagrams ........................................................................................................................................................................................ 11
1-5. Schematics and Supporting Information .......................................................................................................................................................... 15
A Board Schematic Diagram (Page 1 of 18) .................................................................................................................................................... 15
A Board Schematic Diagram (Page 2 of 18) .................................................................................................................................................... 16
A Board Schematic Diagram (Page 3 of 18) .................................................................................................................................................... 17
A Board Schematic Diagram (Page 4 of 18) .................................................................................................................................................... 18
A Board Schematic Diagram (Page 5 of 18) .................................................................................................................................................... 19
A Board Schematic Diagram (Page 6 of 18) .................................................................................................................................................... 20
A Board Schematic Diagram (Page 7 of 18) .................................................................................................................................................... 21
A Board Schematic Diagram (Page 8 of 18) .................................................................................................................................................... 22
A Board Schematic Diagram (Page 9 of 18) .................................................................................................................................................... 23
A Board Schematic Diagram (Page 10 of 18) .................................................................................................................................................. 24
A Board Schematic Diagram (Page 11 of 18) .................................................................................................................................................. 25
A Board Schematic Diagram (Page 12 of 18) .................................................................................................................................................. 26
A Board Schematic Diagram (Page 13 of 18) .................................................................................................................................................. 27
A Board Schematic Diagram (Page 14 of 18) .................................................................................................................................................. 28
A Board Schematic Diagram (Page 15 of 18) .................................................................................................................................................. 29
A Board Schematic Diagram (Page16 of 18) ................................................................................................................................................... 30
A Board Schematic Diagram (Page 17 of 18) .................................................................................................................................................. 31
A Board Schematic Diagram (Page 18 of 18) .................................................................................................................................................. 32
LIPS22 Board Schematic Diagram (KDL-22BX325 Only) ................................................................................................................................ 34
GT32 Board Schematic Diagram (KDL-32BX325/32BX425 Only) (Page 1 of 2) ............................................................................................. 36
GT32 Board Schematic Diagram (KDL-32BX325/32BX425 Only) (Page 2 of 2) ............................................................................................. 37
GT40 Board Schematic Diagram (KDL-40BX425 Only) (Page 1 of 2) ............................................................................................................. 39
GT40 Board Schematic Diagram (KDL-40BX425 Only) (Page 2 of 2) ............................................................................................................. 40
H1 Board Schematic Diagram .......................................................................................................................................................................... 42
H2 Board Schematic Diagram .......................................................................................................................................................................... 44
A Board Schematic Diagram (Page 2 of 18) .................................................................................................................................................... 16
A Board Schematic Diagram (Page 3 of 18) .................................................................................................................................................... 17
A Board Schematic Diagram (Page 4 of 18) .................................................................................................................................................... 18
A Board Schematic Diagram (Page 5 of 18) .................................................................................................................................................... 19
A Board Schematic Diagram (Page 6 of 18) .................................................................................................................................................... 20
A Board Schematic Diagram (Page 7 of 18) .................................................................................................................................................... 21
A Board Schematic Diagram (Page 8 of 18) .................................................................................................................................................... 22
A Board Schematic Diagram (Page 9 of 18) .................................................................................................................................................... 23
A Board Schematic Diagram (Page 10 of 18) .................................................................................................................................................. 24
A Board Schematic Diagram (Page 11 of 18) .................................................................................................................................................. 25
A Board Schematic Diagram (Page 12 of 18) .................................................................................................................................................. 26
A Board Schematic Diagram (Page 13 of 18) .................................................................................................................................................. 27
A Board Schematic Diagram (Page 14 of 18) .................................................................................................................................................. 28
A Board Schematic Diagram (Page 15 of 18) .................................................................................................................................................. 29
A Board Schematic Diagram (Page16 of 18) ................................................................................................................................................... 30
A Board Schematic Diagram (Page 17 of 18) .................................................................................................................................................. 31
A Board Schematic Diagram (Page 18 of 18) .................................................................................................................................................. 32
LIPS22 Board Schematic Diagram (KDL-22BX325 Only) ................................................................................................................................ 34
GT32 Board Schematic Diagram (KDL-32BX325/32BX425 Only) (Page 1 of 2) ............................................................................................. 36
GT32 Board Schematic Diagram (KDL-32BX325/32BX425 Only) (Page 2 of 2) ............................................................................................. 37
GT40 Board Schematic Diagram (KDL-40BX425 Only) (Page 1 of 2) ............................................................................................................. 39
GT40 Board Schematic Diagram (KDL-40BX425 Only) (Page 2 of 2) ............................................................................................................. 40
H1 Board Schematic Diagram .......................................................................................................................................................................... 42
H2 Board Schematic Diagram .......................................................................................................................................................................... 44
SECTION 2: ELECTRICAL PARTS LIST ........................................................................................................................................................................ 46
APPENDIX A: ENCRYPTION KEY COMPONENTS ..................................................................................................................................................... A-1
3
KDL-22BX325/32BX325/32BX425/40BX425
KDL-22BX325/32BX325/32BX425/40BX425
WARNINGS AND CAUTIONS
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.
receiver is directly connected to the AC power line.
!
SAFETY-RELATED COMPONENT WARNING!!
There are critical components used in LCD color TVs that are important for safety. These components are identified with shading and
! mark on the schematic diagrams and the electrical parts list. It is essential that these critical parts be replaced only with the part
number specified in the electrical parts list to prevent electric shock, fire, or other hazard.
NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the original parts
and labor guarantee.
and labor guarantee.
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.
KDL-22BX325 Only
KDL-32BX325/32BX425/40BX425 Only
4
KDL-22BX325/32BX325/32BX425/40BX425
KDL-22BX325/32BX325/32BX425/40BX425
SAFETY-RELATED WARNING
8)
Use care when handling the wires or connectors
of the inverter circuit. Damaging the wires may
cause a short.
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).
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.
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.
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.
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.