Sony KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 (serv.man2) 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
C
16200
Pin3
on BAA board
Power Board
No standby3.3V
3.3V_DC
C
16200
Pin3
on BAA board
12.5V_DC
C
16200
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
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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
– 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
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
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
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 (%)
<[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 (%)
<[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 (%)
<[10]>
Low of HPD
<[5]>
VCR1
<[off]>
GAISOU
<[0]>
Service Mode
Status Information >>
Status Information >>
Test Reset
<[Off]>
Tuning System
<[Auto]>
No_Signal_Mute
<[Off]>
Serial Number Edit
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.
BLOCK DIA
GRAM
5-1-1.
-KL
V
-32,40 NX500
Video 1
MON Out
Video 1/Mon
L/R
Video 2
Video 2
L/R
Component 1
/Video3
Comp1/Video3
L/R
PC
DCC
PC/HDMI2
L/R
HDMI1
PC
EDID
RGB
HV
PC/HDMI3 L/R
TMDS0
DDC0
HDMI2
HDMI4
USB1
HDMI3
HDMI1
EDID
HDMI
SW
HDMI2
EDID
HDMI3
EDID
HDMI4
EDID
TMDS2
DDC2
TMDS1
DDC1
M_I2C
RGB
Ambient
sensor
Main
NVM
16KByte
Temp
Sensor
SIRCS
LED
HP
Line out
LPF
LPF
PWM
16Bit
16Bit
Contro I/O
IF_In
MT5388
BGA
32Bit
PDD0~7
Odd Channel 8bit
Conventional INVERTER
CCFL
PANEL
8bit
(FHD)
Eve Channel 8bit
Memory
Memory
DDR2
32Mx16bits
Tu I2C
SAW
(38Mz)
Tuner
CVBS Out
SW
SW
In
L/R
CVBS1/Mon
Video1/Mon L/R
CVBS2
Video2 L/R
Yuv1/CVBS3
Comp1/Video3 L/R
CVBS In
NAND
FLASH
64MByte
CVBS
Out x 2ch
CVBS
In x 4ch
Audio
In x 7ch
YUV
In x 2ch
RGB
In x 1ch
TMDS
In x 3ch
Audio
out x 2ch
Memory
I/F
Dual
Ch LVDS
PWM
TPA3110D2
NJM2779
AMP
LED
JTAG
Hotel
UART
ECS
STBY
UART0
SIRCS
TMDSB
DDCB
TMDSA
DDCA
D+/D-
Click on the first or last page to see other KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 (serv.man2) service manuals if exist.