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DOWNLOAD Sony KLV-22BX300 / KLV-22BX301 / KLV-26BX300 / KLV-26BX301 / KLV-32BX300 / KLV-32BX301 / KLV-40BX400 Service Manual ↓ Size: 1.16 MB | Pages: 24 in PDF or view online for FREE

Model
KLV-22BX300 KLV-22BX301 KLV-26BX300 KLV-26BX301 KLV-32BX300 KLV-32BX301 KLV-40BX400
Pages
24
Size
1.16 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-22bx300-klv-22bx301-klv-26bx300-klv-26bx301-kl.pdf
Date
PREV: Sony KLV-22BX301 / KLV-26BX301 / KLV-32BX301 Service Manual

Sony KLV-22BX300 / KLV-22BX301 / KLV-26BX300 / KLV-26BX301 / KLV-32BX300 / KLV-32BX301 / KLV-40BX400 Service Manual ▷ View online

– 8 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
SECTION 3
TROUBLESHOOTING
3.1 FLOWCHART
3-1-1. NO POWER
No power
Destination
88-132Vac
176-264Vac
AC Cable
3.3V_DC
CV6200 Pin3
on BAA board
 
Power Board
No standby3.3V
3.3V_DC
CV6200 Pin3
on BAA board
 
12.5V_DC
CV6200 Pin10
on BAA board
 
Power Board
No REG12V
BAA Board
110V
220V-240V
No
No
Yes
Yes
No
Yes
No
Yes
– 9 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
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
No
Yes
Yes
Yes
BAA 
Board
Yes
Yes
BAA 
Board
BAA 
Board
Backlight
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
Check 
Speaker 
BAA board
No
Yes
Yes
BAA 
Board
BAA 
Board
– 10 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
4-1. Accessing Self Diagnostic Menu
1. While TV on standby mode, press the following sequence
on the Remote commander. (RM-GA019)
< 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>
2. Use the 
r
 or 
R
 button to select the item you want to refer
and press   for details.
Example Status information
SECTION 4
SERVICE ADJUSTMENT
4-3. GAISOU Adjustment
(NOT APPLICABLE FOR THIS MODEL)
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> 
p
 <5> 
p
 <Vol Up> 
p
 <Power>
3) Use the 
r
 or 
R
 button to select the GAISOU.
4) Use the 
T 
or 
t 
button to change the GAISOU data.
5) The color variation table of each TV set as below:-
00
Default
01
Glossy Gun Metallic (back print)
02
Glossy Silver (back print)
03
Red
04
Blue
05
Matt Gun Metallic
06
Flat Gun Metallic Hairline
07
Silver
08
Black
6) 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
Service Mode Menu Sample
Self Check 
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) 
Boot Count 
(max 65535) 
Total Panel Hours
(max 65535)
1 indicates an 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 
TM0.341.012 
NVM Version 
TD0.341 
Boot Version 
TB0.341 
Panel Version 
MT0000.000.0030.LT
Flash PQ 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 >> 
 
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]> 
– 11 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
SECTION 5
DIAGRAMS
5-1.
 BLOCK DIA
GRAM
5-1-1.
KL
V
-22,
 26,
 32 BX300
LPF
LPF
Contro I/O
IF_In
MT5388
BGA
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
CVBS Out
SW
SW
In
L/R
CVBS In
PDD0~7
Tu I2C
SAW
(38Mz)
Tuner
NAND
FLASH
64MByte
Conventional INVERTER
CCFL
PANEL
8bit
(WXGA)
Line out
PWM
16Bit
PWM
TPA3110D2
NJM2779
AMP
SIRCS
LED
LED
JTAG
Hotel
UART
ECS
STBY
UART0
SIRCS
M_I2C
RGB
Ambient sensor
Main NVM
16KByte
Temp Sensor
USB1
HDMI2
EDID
D+/D-
DDC0
HDMI2
HDMI1
EDID
TMDS2
DDC2
DCC
PC/HDMI2
L/R
HDMI1
PC
EDID
RGB
HV
PC/HDMI3 L/R
TMDS0
Video 1
MON Out
Video 1/Mon
L/R
Video 2
Video 2
L/R
Component 1
/Video3
Comp1/Video3
L/R
PC
CVBS1/Mon
Video1/Mon L/R
CVBS2
Video2 L/R
Yuv1/CVBS3
Comp1/Video3 L/R
Memory
DDR2
32Mbx16bits
Single Channel 8bit
PANEL_12C
Page of 24
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