Read Sony KDL-40R355B Service Manual online
KDL-40R355B 12
SECTION 3 - REPAIR INFORMATION
REPLACING THE MAIN BOARD
The Main Board used in these models is available for repair. For Part
Number information refer to
Section 4 - Exploded View/Part Number
Information on page 16.
1.
Locate and disconnect all connectors and LVDS Cable. Then remove all
screws from the Main Board and lift to detach.
2.
Locate the Main Bracket, remove all screws and lift to detach.
Main Bracket
Main Bracket
3. Install the new Main Board, connectors, LVDS Cable and screws.
4.
4.
Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the Sony
Authorized Service Portal website.
a.
Insert the USB device with the latest Software into one of the TVs’
USB ports.
b. Connect TV to AC power.
c.
Wait at least 20 seconds.
d. Press Power
I/0
on the TV to turn it ON.
e.
Wait until the Software update is completed.
5.
To access
Service Mode, turn TV ON and OFF again then press the
following buttons within 1 second of each other:
DISPLAY
Channel
5
Volume
+
Power
I/0
>>
Self diagnosis history
>>
Panel Selection
Wide Band Tuning
Wide Band Tuning
>>
LVDS Spectrum (%)
29
Tuning System
Auto
Status Digital RF Information
Off
Off
Low of HPD
5
UART Selection
Factory
SERIAL NUMBER EDIT
MODEL NAME EDIT
TEST RESET
MODEL NAME EDIT
TEST RESET
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Service Mode
NS4S400DND1101
Status Information
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