Sony KDL-60EX720 / KDL-60EX723 Service Manual ▷ View online
KDL-60EX720/60EX723
28
SECTION 3 - CHASSIS OVERVIEW
(Only Interface between board and board)
1
1
VLED_VCC
2
2
VLED_VCC
NC
3
NC
NC
4
NC
7
5
VLED_GND
8
6
VLED_GND
9
7
VLED_GND
10
8
VLED_GND
11
9
LD_ERR
NC 10
NC
13 11
GL_CTRL
14 12
LED_ON
CN1002
0-844-177-01
JST
SM12B-PBVSS-TB(LF)(SN)
1
1
V
2
1
2
2
V
2
1
r
e
tt
i
m
E
D
3
3
3
D
N
G
V
-
a
3
Except EX720 Model
4
4
D
N
G
5
5
L
R
T
C
_
S
L
G
GLS_CTRL2
GLS_CTRL2
6
6
EMI_FAIL
7
7
8
8
8
C
N
1-821-135-11
1-821-135-11
CN6101
SJM20-28WLB
To B board (100106)
T-CON_Vcc12V
28
1
GND
27
3
T-CON_VCC12V
26
2
GND
25
4
T-CON_VCC_12V To B
24 NC
GND
23 NC
BDR_ASU_12V
22 NC
GND
21 NC
BDR_ASU_12V
20 NC
GND
19 NC
REG12V
18
2
GND
17
4
REG12V
16
3
GND
15
5
AU_12V
14
8
AU_GND
13
6
AU_12V
12
9
AU_GND
11
7
STBY3.3V
10
10
GND
9
1
T-CON_ON
8
3
AC_OFF_DET
7
9
BL_ERR
6
7
NC
5
NC
NC
4
NC
PFC_ON
3
2
NC
2
NC
POWER_ON
1
8
V
2
1
_
G
E
R
1
1
1
1
V
2
1
_
G
E
R
VLED_VCC
1
1
D
N
G
2
2
2
2
D
N
G
VLED_VCC
2
2
C
N
3
3
3
3
C
N
NC
3
NC
R
R
E
_
L
B
4
4
4
4
R
R
E
_
L
B
NC
4
NC
C
N
5
5
5
5
C
N
NC
5
NC
C
N
6
6
6
6
C
N
NC
6
NC
T
E
D
_
F
F
O
_
C
A
7
7
7
7
T
E
D
_
F
F
O
_
C
A
VLED_GND
7
5
CN6102
1-821-888-11
1-821-888-11
VLED_GND
8
6
JST L 7p
JST L 7p
CN6701
VLED_GND
9
7
VLED_GND
10
8
C
C
V
_
I
R
P
1
1
1
1
C
C
V
_
I
R
P
LD_ERR
11
9
D
N
G
_
I
R
P
2
2
2
2
D
N
G
_
I
R
P
NC
12 NC
CN6502
1-817-207-11
1-817-207-11
CN6601
GL_CTRL
13 11
JST
JST
LED_ON
14 12
D
N
G
_
C
F
P
1
1
1
1
D
N
G
_
C
F
P
1
1
-
9
3
3
-
2
2
8
-
1
T
U
O
_
C
F
P
2
2
2
2
T
U
O
_
C
F
P
P
4
1
A
X
T
S
J
M
A
J
B
L
W
2
0
-
9
7
P
F
S
CN6700
SFP79-02WLB JAM
1-822-908-11
CN6600
CN6501
1-822-908-11
AC_IN
AC-N
AC-N
1
1
AC-L
2
2
CN6001
SFP79-02WLB JAM
1-822-908-11
SFP79-02WLB JAM
1-822-908-11
B board
T-con
Optio
BLK board
BLK Board
28
1
12V
26
2
12V
27
3
GND
D
N
G
4
5
2
JST(VA)
1-842-566-11
1-842-566-11
V
2
1
1
1
V
2
1
2
2
D
N
G
3
3
D
N
G
4
4
L
R
T
C
_
S
L
G
5
5
2
L
R
T
C
_
S
L
G
6
6
7
7
7
EMI_FAIL
8
8
NC
Molex
1-842-558-11
1-842-558-11
T-con Board(PEL3)
HEM2 Board
T-con
B board
AC pigtail
10
10 STBY_+3.3V
12
9 AUDIO+12.5V
14
8 AUDIO+12.5V
11
7 AUDIO+12.5V_GND
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
6
3
1
15
15
D
N
G
_
V
5
.
2
1
+
G
E
R
5
D
N
G
_
V
5
.
2
1
+
G
E
R
4
7
1
16
V
5
.
2
1
+
G
E
R
3
V
5
.
2
1
+
G
E
R
2
8
1
NC
C
C
V
_
N
O
C
-
T
1
1
0
0
6
N
C
1
1
-
9
6
5
-
2
4
8
-
1
HEADER ASSEMBLY FOR PWB 10P
HEADER ASSEMBLY FOR PWB 10P
T
E
D
_
F
F
O
_
C
A
9
7
1
1
N
O
R
E
W
O
P
8
R
R
E
_
L
B
7
6
NC
6
NC
NC
5
NC
NC
4
NC
N
O
_
N
O
C
T
3
8
3
3
R
W
P
_
C
F
P
2
9
D
N
G
1
2
0
0
6
N
C
1
1
-
9
5
5
-
2
4
8
-
1
BAT-V board
1
D
N
G
2
X
T
_
D
T
R
A
U
3
X
R
_
D
T
R
A
U
4
T
E
S
E
R
5
V
3
.
3
+
_
Y
B
T
S
6
M
V
T
_
E
D
O
M
7
X
R
_
A
T
R
A
U
8
)
2
D
M
(
C
N
UARTC_RX
UARTC_RX
9
UARTC_TX
10
1
1
D
N
G
2
1
X
T
_
A
T
R
A
U
3
1
X
I
R
T
A
M
_
S
C
E
STBY_+3.3V
STBY_+3.3V
14
MODE_PEM
15
PEM_LOG_RX
16
7
1
X
T
_
G
O
L
_
M
E
P
8
1
D
N
G
4
0
0
9
N
C
1
5
-
7
6
6
-
4
7
7
-
1
P
8
1
C
P
F
/
C
F
F
,r
o
t
c
e
n
n
o
C
1
X
E
-
L
T
TL-EX1JIG board
[3a-2 60 2/2]
FIGURE 3-5. CONNECTOR DIAGRAM (2 OF 2)
KDL-60EX720/60EX723 29
OVERVIEW
This chapter provides information regarding the Self Diagnosis
feature in our TVs.
UPDATING THE SOFTWARE
As mentioned in
“Section 2 - Software Requirements” on page
18
there are several issues that may be resolved by updating
the software to the latest version. For a list of possible correctable
issues see
“Examples of Software Correctable Symptoms” on page
20
.
SECTION 4 - TROUBLESHOOTING
Self Diagnosis
Supported model
KDL-60EX720/60EX723 30
SECTION 4 - TROUBLESHOOTING
TRIAGE CHART
Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
Before you make the service call…
1. Confirm the symptom from the customer.
5. Chart Color Code
2. Select that symptom from the chart.
▲
RED DOT: (Primary) Most likely defective part
3. Bring the primary component listed for that symptom.
BLUE Triangle: (Secondary) Possible defective part
3D LAN Power
Audio
2X
Power
3X
Audio
4X**
BL
4X*
BL
5X
TCON/
HFR
6X
BL
7X
Temp
8X
Temp
10X No
WIFI
No RED
STBY LED
(Dead Set)
No Video
(BL OK)
Whole
Screen
Distortion
Isolated
Area
Distortion
No 3D
No Audio
Main
Speakers
Main Board
▲
*
▲
▲
G6
▲
G8
HEM2
LD
Service Bulletin
(See Appendix
Section)
Software Update
LCD Panel
TCON
WIFI
PROBLEM
Power
Audio/
Power
BACK-
LIGHT
BACK-
LIGHT
TCON
CONV
TEMP
WDT
IR
SYNC
4. Follow the associated flowcharts in the Service/Training Manual to isolate the board.
*NOTE: REFER TO LCD PANEL SERVICE MANUAL IN REFERENCE
LIBRARY DATABASE FOR CORRECT REPLACEMENT PARTS BASED
ON SERIAL NUMBER.
▲*
Sharp Vertical or Horizontal Lines, Missing Pixels
4X* Momentary Backlight before Shut OFF
Protection Modes
Board Reference
* Immediate Shutdown After Power ON & 7X
4X** No Backlight before Shut OFF
Video
This Triage document is for general reference purposes. To access the most recent version of the Triage documents for the models listed in this
manual, login into the Sony Authorized Servicer Portal at
http://www.sony.com/asp
.
Click on the first or last page to see other KDL-60EX720 / KDL-60EX723 service manuals if exist.