Sony KDL-60EX720 / KDL-60EX723 Service Manual ▷ View online
KDL-60EX720/60EX723 39
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO PICTURE OR SOUND
BATV
IC9000
X-Reality
(HDCP)
LCD Panel Assembly
TCON/HFR
(240Hz)
LED Backlight
System
CN2001
NAND FLASH
User Data
White Balance
GAMMA
User Menu (XMB)
Service Mode
LCD Panel
LVDS Cable
RF Input
Video 2
(Component / Composite)
Video 1 (Composite)
PC Input
HDMI IN 1
(ARC)
HDMI IN 2
HDMI IN 3
IC5500
HDMI
Switch
&
EQ
(EDID)
RJ45 (Ethernent)
USB 2.0
HDMI IN 4
IC1404
NTSC/ATSC
Tuner IC
14
/
42
Digital Video
Interface
Interface
USB 2.0
Interface
R
L
IC4601
Output
Amplifier
LR
Audio
CN4602
Headphone/Analog
Audio Output
Digital Audio
Output (Optical)
SPDIF
CN2700
J2702
IC4502
OPAMP
LR
Audio
Video
Audio
Video
Audio
Video
Video
Audio
Video
Video
Audio
Video
Audio
Video
Audio
Video
Video
Audio
Video
Video
Audio
To HDMI 1 for
ARC Output
From SPDIF Output
(Optical)
LED Drive
Board
FIGURE 5-4. VIDEO/AUDIO PROCESSING DIAGRAM
KDL-60EX720/60EX723 40
SECTION 5 - FLOW CHARTS AND DIAGRAMS
Missing or
Distorted Video
Is
Video Missing or
Distorted on
All
Inputs?
No
Yes
No
Can
User Menu be
Displayed?
No
Is Video
Missing or
Distorted?
Missing
Distorted
Is
Single Pixels
or
Complete Line
of Pixels
missing?
Yes
No
Yes
Is
Distortion
Present in
User Menu
OSD?
No
Yes
Is
External Device
& connection
OK?
Repair External
Device
Check
External Device
and Connections
Swap Devices and
connections
Skew (or Rock) the LVDS
connector from its socket
at the TCON Brd.
Are flashes
of color
displayed?
Yes
No
Check LVDS cable
for Physical Damage
Replace
LCD Panel
Replace
TCON Board
Replace
LVDS Cable
Yes
Sharp Horizontal
or Vertical Lines
Cable OK
Does
Distortion follow
picture size
when changing
WIDE mode?
Perform WIDE Mode Test
Replace
TCON Board
No
Yes
Replace
Main Board
Replace
Main Board
Replace
Main Board
Replace
Main Board
Replace
Main Board
NG
FIGURE 5-5. MISSING OR DISTORTED VIDEO FLOWCHART
KDL-60EX720/60EX723 41
SECTION 5 - FLOW CHARTS AND DIAGRAMS
Is Audio
Present?
Check
HP Audio Output
No
Missing or Distorted Audio
Is Audio
Missing or Distorted
on
All Inputs?
No
Yes
Yes
Check
Speaker Resistance at
(across Speakers)
& Connections
8 ohms
&
Connections
OK?
No
Check
AU12V from Power Supply
Is
12V
Present?
Yes
Yes
Replace
Speaker(s)
No
No
Yes
Is
External Device
& connection
OK?
Repair External
Device
Check
External Device
and Connections
Swap Devices and
connections
Replace
Main Board
Replace
Power Supply
Board
Replace
Main Board
Replace
Main Board
FIGURE 5-6. MISSING OR DISTORTED AUDIO FLOWCHART
KDL-60EX720/60EX723
42
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.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
NOTE: Les composants identifies per un trame et
une marque
!
sont critiques pour la securite.
Ne les remplacer que par une piece portant le
numero specifie.
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: Encryption Key Components in the back of this manual.
SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION
TABLE-TOP STAND ASSEMBLY REMOVAL
A Remove 3 screws from Table-Top Stand Assembly
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
(Check the Sony Authorized Servicer Portal at
http://www.sony.com/asp
website for any additional service related issues.)
1
4-267-504-01
STAND, HEAD(3L9)
2
4-259-187-01
NECK (3L9)
3
4-267-567-01
STAND, BASE(3L2)
4
4-259-541-01
USER SCREW ST
(SCREWS TO ATTACH HEAD STAND AND BASE STAND TO NECK)
5
2-580-608-01
SCREW, +PSW M5X16
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV
CAUTION: These screws cannot be used to secure the TV to
the Wall Mount Brackets
▲
2-580-608-01
SCREW, +PSW M5X16
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV
CAUTION: These screws cannot be used to secure the TV to
the Wall Mount Brackets
B Lift up TV set to detach from Table-Top Stand Assembly
C Gently place the LCD TV set face down onto a soft cloth
1
2
3
5
4
4
A
C
Soft Cloth
B
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