Sony KLV-46EX430 (serv.man2) Service Manual ▷ View online
KLV-46EX430(PA)
9
SELF DIAGNOSIS FUNCTION
DIAGNOSTIC TEST INDICATORS
When an error occurs, the STANDBY LED will flash a set number of times to
indicate the possible cause of the problem.
indicate the possible cause of the problem.
If there is more than one error, the LED will identify the first of the problem areas.
Result for all of the following diagnostic items are displayed on screen.
If the screen displays a “0”, no error has occurred .
The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash.
The number of times the LED flashes translates to a probable source of the problem.
A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference.
If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these
problems occur.
The number of times the LED flashes translates to a probable source of the problem.
A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference.
If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these
problems occur.
STBY LED
Flash time
Service menu Item
name
(Screen Display)
Diagnostic Item Description
2
MAIN_POWER
12V _AMP Error
3
-
Not us ed
4
-
Not us ed
5
TCON_ERR
Panel Power Error
6
BACKLIGHT_ERR
Backlight Error
7
-
Not us ed
8
-
Not us ed
9
-
Not us ed
10
-
Not us ed
11
-
Not us ed
12
-
Not us ed
0.5
0.5
3
DISPLAY OF STANDBY LED FLASH COUNT
SELF-DIAGNOSTIC SCREEN DISPLAY
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for
confirmation on the screen:
For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurrences of failure for
confirmation on the screen:
[To Bring Up Screen Test]
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:
5
*
: Note that this differs from entering the service mode (volume +)
*
Info
TV POWER
Channel
Volume
KLV-46EX430(PA)
10
SELF CHECK
BACK
<<
002 MAIN_POWER
000
005 TCON_ERR
000
006 BACKLIGHT_ERR
000
12345‐67891‐23456
[Home] Exit
SELF DIAGNOSIS FUNCTION
[SELF DIAGNOSTIC SCREEN DISPLAY]
Error count
Item name
STBY LED flash time
Total operation time by hour
Boot count
Panel operation time by hour
Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen.
After you have completed the repairs, clear the result display to “0”.
After you have completed the repairs, clear the result display to “0”.
Clearing the Self Check Diagnostic List
1. Error history and Error count :
Press the Channel 8 => Channel 0 .
2. Panel operation time :
Press the Channel 7 => Channel 0 .
Exiting the Self-diagnostic screen
To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV.
To exit the Self Diagnostic screen, turn off the power to the TV by pressing the POWER button on the remote or the POWER button on the TV.
KLV-46EX430(PA)
11
• Items with no part number and no description are not stocked because they are seldom required for roution service.
• The construction parts of an assembled part are indicated with a collation number in the remark colum.
• Items marked " * " are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
• The construction parts of an assembled part are indicated with a collation number in the remark colum.
• Items marked " * " are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
SEC 1. DISASSEMBLY AND PARTS LIST
Note: LCD panel have points installing with some tapes.
About the procedure of those disassembly and assembly methods, please refer to “APPENDIX-2”.
Note: When removing the rear cover, to prevent damaging the rear cover, please refer “APPENDIX-1”.
KLV-46EX430(PA)
12
1-1. KLV-46EX430
1-1-1. STAND
REF. No. PART No.
DESCRIPTION
MARK
1
4-436-757-01
STAND (46IRS)
2
4-435-628-01
COVER AC (46IRS)
3
* 1-838-984-11
POWER SUPPLY CORD (WITH CORE)
MIDDLE EAST/INDIA
* 1-838-990-11
POWER SUPPLY CORD (WITH CORE)
SAUDI ARABIA
4
4-436-756-01
REAR COVER (46IRS)
2-580-608-01
SCREW, +PSW M5X16
7-685-661-79
SCREW, +BVTP 4X12 TYPE2 IT-3
4-256-393-01
SCREW, +PSW M3X6 W12
7-685-646-79
SCREW +BVTP 3X8 TYPE2 IT-3
2-580-600-01
SCREW, +PSW M4X8
DISASSEMBLY AND PARTS LIST
1
1-1-2. REAR COVER AND AC COVER
2
3
4
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