Sony KDL-46HX729 / KDL-55HX729 Service Manual ▷ View online
KDL-46HX729/55HX729
32
SECTION 3 - CHASSIS OVERVIEW
(Only Interface between board and board)
V
2
1
1
8
2
V
2
1
2
6
2
27
27
3
GND
25
4
GND
JST(VA)
1-842-566-11
1-842-566-11
1
1
12V
V
2
1
2
2
3
3
3
GND
D
N
G
4
4
L
R
T
C
_
S
L
G
5
5
2
L
R
T
C
_
S
L
G
6
6
L
I
A
F
_
I
M
E
7
7
C
N
8
8
Molex
1-842-558-11
1-842-558-11
10
10 STBY_+3.3V
12
9
AUDIO+12.5V
14pin connector
14
8
AUDIO+12.5V
YEONHO 20022WR-14AML
11
7
AUDIO+12.5V_GND
1
D
N
G
D
N
G
_
V
5
.
2
1
+
O
I
D
U
A
6
3
1
1
1 VLED_VCC
15
2
X
T
_
D
T
R
A
U
D
N
G
_
V
5
.
2
1
+
G
E
R
5
2
2 VLED_VCC
3
X
R
_
D
T
R
A
U
D
N
G
_
V
5
.
2
1
+
G
E
R
4
7
1
3
3 VLED_VCC
16
4
T
E
S
E
R
V
5
.
2
1
+
G
E
R
3
4
4 VLED_VCC
5
V
3
.
3
+
_
Y
B
T
S
V
5
.
2
1
+
G
E
R
2
8
1
NC 5
5 NC
NC
6
M
V
T
_
E
D
O
M
C
C
V
_
N
O
C
-
T
1
6
6 VLED_GND
CN6001
7
X
R
_
A
T
R
A
U
7
7 VLED_GND
8
)
2
D
M
(
C
N
1
1
-
0
2
6
-
1
2
8
-
1
8
8 VLED_GND
HEADER ASSEMBLY FOR PWB 10P
9
X
R
_
C
T
R
A
U
9
9 VLED_GND
0
1
X
T
_
C
T
R
A
U
10
10 VLED_GND
1
1
D
N
G
T
E
D
_
F
F
O
_
C
A
9
7
11
11 LD_ERR
1
2
1
X
T
_
A
T
R
A
U
N
O
R
E
W
O
P
8
NC 12
12 NC
3
1
X
I
R
T
A
M
_
S
C
E
R
R
E
_
L
B
7
6
13
13 GL_CTRL
NC
6
NC
4
1
V
3
.
3
+
_
Y
B
T
S
14
14 LED_ON
NC
5
NC
5
1
M
E
P
_
E
D
O
M
NC
4
NC
6
1
X
R
_
G
O
L
_
M
E
P
7
1
X
T
_
G
O
L
_
M
E
P
N
O
_
N
O
C
T
3
8
1
1
V
2
1
2
2
V
2
1
r
e
tt
i
m
E
D
3
3
8
1
D
N
G
R
W
P
_
C
F
P
2
3
3
D
N
G
V
-
a
3
9
4
0
0
9
N
C
D
N
G
1
4
4
D
N
G
CN6002
1-774-667-51
GLS_CTRL
5
5
1-842-559-11
TL-EX1 Connector,FFC/FPC 18P
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
POWERON
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
VLED_VCC
3
3
R
R
E
_
L
B
4
4
4
4
R
R
E
_
L
B
VLED_VCC
4
4
C
N
5
5
5
5
C
N
NC
5
5
C
N
6
6
6
6
C
N
VLED_GND
6
6
T
E
D
_
F
F
O
_
C
A
7
7
7
7
T
E
D
_
F
F
O
_
C
A
VLED_GND
7
7
CN6102
1-821-888-11
1-821-888-11
VLED_GND
8
8
JST L 7p
JST L 7p
CN6701
VLED_GND
9
9
VLED_GND
10
10
C
C
V
_
I
R
P
1
1
1
1
C
C
V
_
I
R
P
LD_ERR
11
11
D
N
G
_
I
R
P
2
2
2
2
D
N
G
_
I
R
P
NC
12
12
CN6502
1-817-207-11
1-817-207-11
CN6601
GL_CTRL
13
13
JST
JST
LED_ON
14
14
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
SFP79-02WLB JAM
CN6600
JST XA 14P
CN6700
SFP79-02WLB JAM
1-822-908-11
G7
CN6501
1-822-908-11
AC_IN
AC-N
AC-N
1
1
2
2
2
L
-
C
A
CN6001
SFP79-02WLB JAM
1-822-908-11
CN6001
SFP79-02WLB JAM
1-822-908-11
G6
TCON Board(PEH2)
TC-EM Harness
PEL3-HEM2
LD Board
LD board
B board
TL-EX1JIG board
BAT-V board
HEM2 Board
G-B Harness
TCON
AC pigtail
B board
TCON
Option
FIGURE 3-8. CONNECTOR DIAGRAM FOR KDL-55HX729 MODELS ONLY (PAGE 2 OF 2)
KDL-46HX729/55HX729 33
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 19
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 21
.
SECTION 4 - TROUBLESHOOTING
Self Diagnosis
Supported model
KDL-46HX729/55HX729 34
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: 10/20/2011
No
Power
WIRELESS
LAN
Remote
Audio
2
3
4
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
Not working
No
Remote
No Audio
MAIN BOARD
▲
▲
POWER SUPPLY
BOARD
POWER SUPPLY BOARD
(FOR 46" MODELS)
G7 BOARD
(FOR 55" MODELS)
HLR2 BOARD
HEM2 BOARD
Service Bulletin
(See Appendix Section)
Software Update
WIRELESS LAN CARD
TCON Board
▲
▲
LCD Panel
Problem
POWER
AUDIO/
POWER
BACK-
LIGHT
TCON
CONV
TEMP
WDT
IR
SYNC
Reference
5. Chart Color Code
BLUE TRIANGLE: Secondary possible defective part
* 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-46HX729 / KDL-55HX729 service manuals if exist.