Sony KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 Service Manual ▷ View online
– 8 –
KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500
RM-GA018
SECTION 3
TROUBLESHOOTING
3.1 FLOWCHART
3-1-1. NO POWER
No power
Destination
88-132Vac
176-264Vac
AC Cable
3.3V_DC
CN6200
Pin3
on BAA board
Power Board
No standby3.3V
3.3V_DC
CN6200
Pin3
on BAA board
12.5V_DC
CN6200
Pin10
on BAA board
Power Board
No REG12V
No REG12V
BAA Board
110V
220V-240V
No
No
Yes
Yes
No
Yes
No
Yes
PLEASE REFER TO PAGE 23-51 TO FOR DETAILS TROUBLESHOOTING
PLEASE REFER TO PAGE 23-51 FOR THE UPDATED TROUBLESHOOTING
PLEASE REFER TO PAGE 23-51 TO FOR DETAILS TROUBLESHOOTING
PLEASE REFER TO PAGE 23-51 FOR THE UPDATED TROUBLESHOOTING
– 9 –
KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500
RM-GA018
3-1-2. VIDEO PROBLEM
3-1-3. AUDIO PROBLEM
BAA
Board
Video
Problem
All inputs
have
problem?
HDMI
Problem?
RF/Analog
Input
Problem?
Digital
Input
Problem?
No
No
No
No
BAA
Board
Check LVDS harness
connection
between BAA board or
Panel or Power board
connection
between BAA board or
Panel or Power board
No
Yes
Yes
BAA
Board
Yes
Yes
BAA
Board
BAA
Board
Backlight
Turn on?
Turn on?
Only
Speaker
out?
HDMI
Problem?
RF/ Analog
Input
Problem?
Digital
Input
Problem?
BAA
Board
No
No
No
No
UI of
Audio Setting
correct? Volume,
TV Speaker
BAA
Board
Set correctly or
reset by menu
reset by menu
Check
Speaker
BAA board
No
Yes
Yes
BAA
Board
BAA
Board
PLEASE REFER TO PAGE 23-51 TO THE UPDATED TROUBLESHOOTING
PLEASE REFER TO PAGE 23-51 TO THE UPDATED TROUBLESHOOTING
– 10 –
KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500
RM-GA018
4-1. Accessing Self Diagnostic Menu
1. While TV on standby mode, press the following sequence
1. While TV on standby mode, press the following sequence
on the Remote commander.
< Display--> <5>--> <Vol Down>--> <Power>
< Display--> <5>--> <Vol Down>--> <Power>
2. To Reset Error Count & Error History
Press < 8 > --> < 0 > key
3. To Reset Panel Operation Time
Press < 7 > --> < 0 > key
4. To exit, turn the power off using Remote.
4-2. Accessing Service Mode
1. While TV on standby mode, press the following sequence
1. While TV on standby mode, press the following sequence
on the Remote commander.
< Display--> <5>--> <Vol Up>--> <Power>
< Display--> <5>--> <Vol Up>--> <Power>
2. Use the
r or R button to select the item you want to refer
and press for details.
Example Status information
Example Status information
SECTION 4
SERVICE ADJUSTMENT
4-3. GAISOU Adjustment (For Board Replacement)
1) When new board is replaced, please confirm the color
1) When new board is replaced, please confirm the color
ornamental of the TV set.
2) While TV on standby mode, press the following sequence
on the Remote commander.
<Display>
<Display>
p
<5>
p
<Vol Up>
p
<Power>
3) Use the
r or R button to select the GAISOU item.
4) The color variation table of each TV set as below:-
Self Check
002
002
Main Power
001
003
Dc_Alert
000
003
Aud_Prot
000
003
MotionFlow
000
004
Balancer_Error
000
005
T-CON Error
005
Panel ID NVM Error
000
006
Backlight Error
000
007
Temp_Error
000
00009
00027
00009
Total Hours
of Operation
(max 65535)
of Operation
(max 65535)
Boot Count
(max 65535)
(max 65535)
Total Panel Hours
(max 65535)
indicates no. of times an error
was detected.
0 indicates no error was detected
0 indicates no error was detected
Diagnostic Menu Sample
Tuning System
<[Auto]>
No_Signal_Mute
<[Off]>
Serial Number Edit
Self Diagnosis History >>
LVDS Spectrum (%)
Self Diagnosis History >>
LVDS Spectrum (%)
<[10]>
Low of HPD
<[5]>
VCR1
<[off]>
GAISOU
<[0]>
Service Mode
Status Information >>
Test Reset
<[Off]>
Tuning System
<[Auto]>
No_Signal_Mute
<[Off]>
Serial Number Edit
Self Diagnosis History >>
LVDS Spectrum (%)
Self Diagnosis History >>
LVDS Spectrum (%)
<[10]>
Low of HPD
<[5]>
Main Micro
SW Version
SW Version
TM0.341.012
NVM Version
TD0.341
Boot Version
TB0.341
Panel Version
MT0000.000.0030.LT
Flash PQ Version
AQ Version
AQ Version
AQ0.003
Chassis
Service
000
Model
002
Gaisou
00
GAISOU Menu Sample
Tuning System
<[Auto]>
No_Signal_Mute
<[Off]>
Serial Number Edit
Self Diagnosis History >>
LVDS Spectrum (%)
Self Diagnosis History >>
LVDS Spectrum (%)
<[10]>
Low of HPD
<[5]>
VCR1
<[off]>
GAISOU
<[0]>
Service Mode
Status Information >>
Test Reset
Status Information >>
Test Reset
<[Off]>
Tuning System
<[Auto]>
No_Signal_Mute
<[Off]>
Serial Number Edit
Self Diagnosis History >>
LVDS Spectrum (%)
Self Diagnosis History >>
LVDS Spectrum (%)
<[10]>
Low of HPD
<[5]>
VCR1
<[off]>
GAISOU
<[0]>
5) For example if color is Red than should select 03 in the
service mode of the TV set.
Service Mode Menu Sample
Service Mode Menu Sample
Case
Color
Model
Area
Table
Type
Name
Resolution
Inch Size
ID
00
Default
5-2
WXGA/FHD 40, 32,26, 22
ALL
01
Glossy Gun Metallic (back print)
3a-2
FHD
32,40,46
GA
02
Glossy Silver (back print)
3a-2
WXGA
22,26,32
GA
03
Red
3a-2
FHD
32
GA
04
Blue
3a-2
FHD
32
GA
05
Matt Gun Metallic
3a-2
FHD
32,40,46
CH
06
Flat Gun Metallic Hairline
3a-1, 3a-0.5
HFR/ FHD
32,40,46,55
ALL
07
Silver
5-0
FHD
32,40
ALL
08
Black
5-0
WXGA
26,32
ALL
Panel ID
– 11 –
KLV-26,32 NX400(S/B), 26,32 NX400(S/B)/S, 32,40 NX500
RM-GA018
SECTION 5
DIAGRAMS
5
-1
.
B
L
O
C
K
D
IA
G
R
A
M
5
-1
-1
.
-K
L
V
-3
2
,4
0
N
X
5
0
0
V
id
e
o
1
M
O
N
O
u
t
V
id
e
o
1
/M
o
n
L
/R
V
id
e
o
2
V
id
e
o
2
L
/R
C
o
m
p
o
n
e
n
t
1
/V
id
e
o
3
C
o
m
p
1
/V
id
e
o
3
L
/R
P
C
D
C
C
PC/HDMI2
L
/R
H
D
M
I1
P
C
EDID
R
G
B
H
V
PC/HDMI3
L/R
T
M
D
S
0
D
D
C
0
H
D
M
I2
H
D
M
I4
U
S
B
1
H
D
M
I3
H
D
M
I1
EDID
H
D
M
I
S
W
H
D
M
I2
EDID
H
D
M
I3
EDID
H
D
M
I4
EDID
T
M
D
S
2
D
D
C
2
T
M
D
S
1
D
D
C
1
M_I2C
R
G
B
Ambient
sensor
Main
N
V
M
16KByte
T
e
m
p
S
e
n
s
o
r
S
IR
C
S
L
E
D
H
P
L
in
e
o
u
t
L
P
F
L
P
F
P
W
M
16Bit
16Bit
Contro
I/O
IF
_
In
M
T
5
3
8
8
B
G
A
32Bit
P
D
D
0
~
7
O
d
d
C
h
a
n
n
e
l
8
b
it
C
o
n
v
e
n
ti
o
n
a
l
IN
V
E
R
T
E
R
C
C
F
L
P
A
N
E
L
8
b
it
(F
H
D
)
E
v
e
C
h
a
n
n
e
l
8
b
it
M
e
m
o
ry
M
e
m
o
ry
D
D
R
2
3
2
M
x
1
6
b
it
s
T
u
I
2
C
S
A
W
(3
8
M
z
)
T
u
n
e
r
C
V
B
S
O
u
t
S
W
S
W
In
L
/R
C
V
B
S
1
/M
o
n
V
id
e
o
1
/M
o
n
L
/R
C
V
B
S
2
V
id
e
o
2
L
/R
Y
u
v
1
/C
V
B
S
3
C
o
m
p
1
/V
id
e
o
3
L
/R
C
V
B
S
I
n
N
A
N
D
F
L
A
S
H
6
4
M
B
y
te
C
V
B
S
O
u
t
x
2
c
h
CVBS
In x 4ch
Audio
In x 7ch
YUV
In x 2ch
RGB
In x 1ch
TMDS
In x 3ch
Audio
out x
2ch
Me
mo
ry
I/F
Du
al
Ch
L
VD
S
P
W
M
T
P
A
3
1
1
0
D
2
N
J
M
2
7
7
9
A
M
P
L
E
D
J
T
A
G
H
o
te
l
U
A
R
T
E
C
S
S
T
B
Y
U
A
R
T
0
S
IR
C
S
T
M
D
S
B
D
D
C
B
T
M
D
S
A
D
D
C
A
D
+
/D
-
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