Sony KDL-46BX427 Service Manual ▷ View online
KDL-46BX427 16
SECTION 2 - SERVICE ADJUSTMENTS
OVERVIEW
The 2011 models utilize a “generic” type main board, therefore
certain service adjustments settings must be confirmed when either
the main Board, LCD Panel, or TCON Board are replaced.
UPDATING THE SOFTWARE
After replacing the main Board, LCD Panel, or TCON Board, you
MAY NEED TO UPDATE the SOFTWARE to the latest version.
ACCESSING SERVICE ADJUSTMENT
MODE
You can access the Self diagnosis history page from Service Mode.
1. TV must be in Standby mode. (Power On).
2. Press the following buttons on the Remote Commander within
2. Press the following buttons on the Remote Commander within
a second of each other:
DISPLAY
Channel
5
Volume
+
POWER
Onscreen cursor
and select button
DISPLAY
RM-YD066
5
VOLUME+
POWER
KDL-46BX427 17
SECTION 2 - SERVICE ADJUSTMENTS
Status Information
>>
Self diagnosis history
>>
Panel Selection
<[
SONY_WXGA_32_2 ]>
NO_SIGNAL_MUTE
<[
Off
]>
TUNING SYSTEM
<[
AUTO
]>
LVDS Spectrum (%0)
<[
20
]>
Low of HPD
<[
5
]>
[</>]Set [Home] Exit
Service Mode
SELECTING THE PANEL CODE AFTER REPLACING
THE PANEL
After replacing the main Board or the LCD Panel, you must update
the software to the latest version and then select the Panel ID from
Factory Mode.
3. In Service Mode, use the button to scroll down to select
Panel Selection.
Status Information
>>
Self diagnosis history
>>
Panel Selection
<[
SONY_WXGA_32_2 ]>
NO_SIGNAL_MUTE
<[
Off
]>
TUNING SYSTEM
<[
AUTO
]>
LVDS Spectrum (%0)
<[
20
]>
Low of HPD
<[
5
]>
[</>]Set [Home] Exit
Service Mode
4. Press the or Onscreen cursor buttons to select the
correct panel from the
Panel Selection.
5. To exit Service Adjustment Mode without turning Off the TV,
press the
RETURN
button.
KDL-46BX427 18
SECTION 3 - DIAGRAMS
CIRCUIT BOARDS LOCATION
H
SWITCH
UNIT
A
TCON
INV
G3
KDL-46BX427 19
SECTION 3 - DIAGRAMS
BLOCK DIAGRAM
1Gb x 2
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