Sony KDL-32EX729 / KDL-40EX729 / KDL-46EX729 Service Manual ▷ View online
KDL-32EX729/40EX729/46EX729
28
SECTION 3 - CHASSIS OVERVIEW
NC
1
12V
NC
2
12V
NC
3
GND
D
N
G
4
C
N
SM04B-PASS-TBT(LF)(SN)
1
1
-
0
6
4
-
9
1
8
-
1
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
1
D
N
G
L
I
A
F
_
I
M
E
7
7
2
X
T
_
D
T
R
A
U
V
3
.
3
+
_
Y
B
T
S
0
1
0
1
C
N
8
8
3
X
R
_
D
T
R
A
U
V
5
.
2
1
+
O
I
D
U
A
9
2
1
B
T
-
S
H
G
-
B
8
0
M
S
T
S
J
4
T
E
S
E
R
V
5
.
2
1
+
O
I
D
U
A
8
4
1
11
1-819-468-11
5
V
3
.
3
+
_
Y
B
T
S
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
7
6
M
V
T
_
E
D
O
M
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
6
3
1
1
1
VLED_VCC
15
7
X
R
_
A
T
R
A
U
D
N
G
_
V
5
.
2
1
+
G
E
R
5
2
2
VLED_VCC
8
)
2
D
M
(
C
N
D
N
G
_
V
5
.
2
1
+
G
E
R
4
7
1
NC
3
NC
16
9
X
R
_
C
T
R
A
U
V
5
.
2
1
+
G
E
R
3
NC
4
NC
0
1
X
T
_
C
T
R
A
U
V
5
.
2
1
+
G
E
R
2
8
1
7
5
VLED_GND
24
1
1
D
N
G
C
C
V
_
N
O
C
-
T
1
8
6
VLED_GND
2
1
X
T
_
A
T
R
A
U
1
0
0
6
N
C
9
7
VLED_GND
3
1
X
I
R
T
A
M
_
S
C
E
1
1
-
9
6
5
-
2
4
8
-
1
10
8
VLED_GND
HEADER ASSEMBLY FOR PWB 10P
4
1
V
3
.
3
+
_
Y
B
T
S
11
9
LD_ERR
5
1
M
E
P
_
E
D
O
M
NC 10
NC
6
1
X
R
_
G
O
L
_
M
E
P
13 11
GL_CTRL
7
1
X
T
_
G
O
L
_
M
E
P
T
E
D
_
F
F
O
_
C
A
9
7
14 12
LED_ON
1
8
1
D
N
G
N
O
R
E
W
O
P
8
CN1002
4
0
0
9
N
C
R
R
E
_
L
B
7
6
0-844-177-01
NC
6
NC
1-774-667-51
JST
NC
5
NC
TL-EX1 Connector,FFC/FPC 18P
SM12B-PBVSS-TB(LF)(SN)
1
1
V
2
1
NC
4
NC
N
O
_
N
O
C
T
3
8
2
2
V
2
1
r
e
tt
i
m
E
D
3
3
3
D
N
G
V
-
a
3
3
2
PFC_PWR
Except EX720 Model
GND
4
4
9
1
GND
2
2
0
0
6
N
C
5
5
L
R
T
C
_
S
L
G
1
1
-
9
5
5
-
2
4
8
-
1
6
6
2
L
R
T
C
_
S
L
G
EMI_FAIL
EMI_FAIL
7
7
8
8
C
N
1-821-135-11
1-821-135-11
CN6704 (37" G10A)
To B board (100106)
T-CON_Vcc12V
28
NC
GND
27 NC
T-CON_VCC12V
26
NC
GND
25 NC
T-CON_VCC_12V To B
24
1
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
VLED_VCC
1
1
VLED_VCC
2
2
VLED_VCC
3
NC
VLED_VCC
4
NC
NC
5
NC
6
NC
VLED_GND
VLED_GND
7
5
VLED_GND
8
6
VLED_GND
9
7
VLED_GND
10
8
LD_ERR
11
9
NC
12
NC
GL_CTRL
13
11
LED_ON
14
12
CN6801 (40" G4B)
CN6705 (32" G10A)
1-822-339-11
JST XA 14P
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
CN6151 (40" G4B)
SJM20-28WLB
B board
T- con
Option
BLK board
BAT- V board
T- con Board(PEL3)
HEM2 Board
T- con
B board
TL- EX1JIG board
AC pigtail
BLK Board
BLK Board
BLK board
AC pigtail
FIGURE 3-9. CONNECTOR DIAGRAM FOR KDL-40EX729 ONLY (2 OF 2)
KDL-32EX729/40EX729/46EX729 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 14
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 16
.
SECTION 4 - TROUBLESHOOTING
Self Diagnosis
Supported model
KDL-32EX729/40EX729/46EX729 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.
Chassis:
AZ2F
2. Select that symptom from the chart.
3. Bring
3. Bring
ONLY THE MOST LIKELY PART
for that symptom.
4. Follow the troubleshooting charts in the technical guides to isolate the board.
RED DOT: Most likely defective part
LAST UPDATED:
6/2/2011
No
Power
Remote
Audio
2
3
4
No Backlight
4
Momentary
Backlight
5
6
*7
8
10
No Green
Power LED
(Dead Set)
No video
Whole
Screen
Distortion
Isolated
area
Distortion
No 3D
Double
images on
3D
No
Remote
No Audio
BATV Board
▲
▲
▲
▲
Power Supply Board
▲
HLR2 Board
HEM2 Board
LD Board
Service Bulletin
See Appendix Section
Software Update
TCON Board
LCD Panel
Problem
POWER
AUDIO/
POWER
BACK-LIGHT
BACK-LIGHT
TCON
CONV
TEMP
WDT
IR
SYNC
5. Chart Color Code
BLUE TRIANGLE: Secondary possible defective part
Reference
* ONLY IF 7X SHUTDOWN OCCURS IMMEDIATLEY
Video
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
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-32EX729 / KDL-40EX729 / KDL-46EX729 service manuals if exist.