Sony KDL-70R520A Service Manual ▷ View online
KDL-70R520A 17
SECTION 3 - REPAIR INFORMATION
19. Press
or
to select characters and then
to move to the next
space until Model Name is complete.
NOTE
: Make sure to include dash in Model Name.
Sound Adjustment
>>
Wide Band Tuning
>>
Range Scan…
>>
Self diagnosis history
>>
Status Information…
>>
LVDS Spectrum(%0)
<[
30
]>
Low of HPD
<[
5
]>
TVD_MCDONE_CNT
<[
20
]>
Demo Special
>>
Bypass AVI Info Detect
<[
On
]>
Panel Selection
<[
31_JE695D3LB4N_US
]>
UART Selection
No Log
SERIAL NUMBER EDIT
6000001
MODEL NAME EDIT
KDL-70R520A
[</>]Set [Home] Exit
Service Mode
CAUTION: The Model Name can only be selected once. Be sure
to verify the information is correct before saving the changes.
to verify the information is correct before saving the changes.
20. When the complete Model Name displays, press
.
21.
On the confirmation screen, press to select
YES and then
.
Input Data Correct?
Yes
No
Selected text displays in black
22. Press
POWER
to exit
Service Mode.
REPLACING THE POWER SUPPLY BOARD
1. Disconnect all connectors from Power Supply Board.
2. Remove 6 screws to detach from the Rear Cover.
3. Install the new Power Supply Board, screws and connectors.
KDL-70R520A 18
SECTION 3 - REPAIR INFORMATION
4. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the
Instructions are included with the Software package on the
Sony
Authorized Service Portal
website.
a. Press
POWER
to turn on the TV.
b. Insert the USB device with the latest Software into the TV.
c. Press
HOME
to display the menu options.
d. Press
to select
Settings, then press
.
e. Press
/
to select
Setup.
f. Press
/
to select
Software Update, then press
.
g. Press
/
to select
USB, then press
.
h. During the Software update, the TV automatically restarts.
i. Series of different messages will appear on the TV set.
Please follow the on screen instructions.
NOTE:
An information LED may be flashing on the front bottom
of the TV.
j. After several minutes the TV may automatically restart again to
complete the update.
CAUTION: DO NOT TURN OFF THE TV OR UNPLUG THE
POWER CORD WHILE THE UPDATE IS IN PROGRESS.
k. Remove the USB device from the TV.
REMOVING THE SWITCH UNIT
1. Lift the black locking bar and pull FFC cable to release.
2. Grab Switch Unit by both ends and pull upwards to detach.
3. Install the new Switch Unit and connectors.
KDL-70R520A 19
SECTION 3 - REPAIR INFORMATION
REMOVING THE SPEAKERS
1. Disconnect the connectors from Speakers.
2. Slide upwards to detach.
REMOVING THE BEZEL AND H BOARD
1. Using a small and narrow tool, disconnect H Board connector.
2. Gently turn the TV over and then increase gap between the LCD Panel
and Bezel to detach.
3. Carefully lift the Bezel from the bottom to separate.
4. Using a small and narrow tool, unhook H board from Bezel to remove.
KDL-70R520A 20
Components not identified by a part number or description
are not stocked because they are seldom required for routine
service.
The component parts of an assembly are indicated by the reference numbers in
the far right column of the parts list and within the dotted lines of the diagram.
NOTE: The components identified by shading and
!
mark are critical for safety.
Replace only with part number specified.
NOTE: The components identified by a red outline and a mark contain confidential
information. Specific instructions must be adhered to whenever these components are
repaired and/or replaced. (See Appendix A)
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
REF. NO.
PART NO.
DESCRIPTION
TABLE TOP-STAND
2
3
1
1
4-446-626-01
NECK (LEFT)
2
4-446-639-01
STAND SHAFT
3
4-446-627-01
NECK (RIGHT)
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