Sony KLV-22BX300 / KLV-22BX301 / KLV-26BX300 / KLV-26BX301 / KLV-32BX300 / KLV-32BX301 / KLV-40BX400 Service Manual ▷ View online
– 5 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
SECTION 2
SELF DIAGNOSTIC FUNCTION
2-4. LED Pattern
When safety shutdown occurs, Standby LED display reports the
cause by using the lightning patterns as indicated below.
cause by using the lightning patterns as indicated below.
Example:
The figure above shows LED display when
SHUTDOWN is caused by Balancer Error. It repeats
flashing for a specified number of times in 0.5sec/
cycle and has a 3 seconds interval of lighting off.
Please note that a 3 seconds interval of lighting off
is fixed regardless of abnormal state types.
SHUTDOWN is caused by Balancer Error. It repeats
flashing for a specified number of times in 0.5sec/
cycle and has a 3 seconds interval of lighting off.
Please note that a 3 seconds interval of lighting off
is fixed regardless of abnormal state types.
2-1. Overview of Control Buttons
2-2. LED Display Specification
2-3. LED Display Control
PROG
Power
Program
Volume
Input Select/
Enter
Enter
Menu
Remote
Sensor
Sensor
Picture
Timer
Timer
Off/Standby
Indicator
Indicator
Power
Indicator
Indicator
3.0 sec
3.0 sec
3.0 sec
0.5 sec
0.5 sec
LED Typ e
Description
Remark
Status
LED Display
Power
Remark
POWER
Green: LED
Green lights at power ON.
STANDB
Timer/
Pic off
Pic off
Y
Red: One LED
Red lights during standby.
Orange/Green :
Two LEDs
Two LEDs
Green Lights during Picture
Off and Orange Lights during
Timer activation.
Timer activation.
Power On
Green
Off
Off
Off
Off
Standby
Off
Off
Red
Red
Green
Off
Self Diagnosis
Orange
Red
Off
Orange
Error of panel ID
Others (Example)
[REC][Sleep Timer][Power ON]
Red
Off
Green
[Picture Off ][On Timer][REC][Power On]
Refer to Blinking
pattern selfdiagnosis
mode
pattern selfdiagnosis
mode
0.5sec On / 0.5sec Off
Stand By
Pic Off/Connecting/Timer
– 6 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
Blinking times
Error
Countermeasure
(Replace either/all according to sequence)
2
Main Power Error
1. GD1 (22”), POWER UNIT(G1LS) (26"), G2LE (32”),
G2HE (40”)
2. BAA board
3
DC_ALERT1/
1. BAA board
Audio Error/
2. GD1 (22”), POWER UNIT(G1LS) (26"),G2LE (32”),
Motionflow Error
G2HE (40”)
3. TCON
4. Speaker
4. Speaker
4
Balancer Error
1. Inverter board
2. Panel
3. GD1 (22”) , POWER UNIT(G1LS) (26"), G2LE (32”),
2. Panel
3. GD1 (22”) , POWER UNIT(G1LS) (26"), G2LE (32”),
G2HE (40”)
4. BAA board
5
T-CON Error/
1. T-CON
Panel ID NVM Error
2. BAA
3. LVDS Cable
4. GD1 (22”) , POWER UNIT(G1LS) (26"),G2LE (32”),
3. LVDS Cable
4. GD1 (22”) , POWER UNIT(G1LS) (26"),G2LE (32”),
G2HE (40”)
6
Backlight Error
1. Inverter board
2. GD1 (22”) , POWER UNIT(G1LS) (26"),G2LE (32”),
2. GD1 (22”) , POWER UNIT(G1LS) (26"),G2LE (32”),
G2HE (40”)
3. BAA
7
Temp Error
1. BAA
2. GD1 (22”) , POWER UNIT(G1LS) (26"), G2LE (32”),
2. GD1 (22”) , POWER UNIT(G1LS) (26"), G2LE (32”),
G2HE (40”)
2-5. Standby LED Error Display and Board Replacement Order
Perform below countermeasure according Standby LED blinking times
Note1: Each of the above blinking repeats 3 seconds.
Note2: Countermeasure is list out by priority.
Note2: Countermeasure is list out by priority.
– 7 –
KLV-22, 26, 32 BX300, 40 BX400
RM-GA019
No Video
No Video
No Video
No Tuner
Tuner OK
No HDMI
No Audio
BL OK
No BL
BL OK
Video OK
Video 1-3
OSD OK
No OSD
Bad
BAA board
GD1 (22")
G1LS (26")
G2LE (32")
G2HE (40")
GD2 (46")
T-con board
Speaker unit
RF module
Panel module
FFC cable
Joint connector
Problem
No Power
BAA board
Balancer
TCON, Panel ID
Inverter
Temperature
No Power
BAA board
BAA board
BAA board
BAA board
BAA board
BAA board
BAA board
Doubtful part
few possibility
No Power
Symptom (dead set)
Video distored or miss
ing
Reference
6Blinks
7Blinks
2Blinks
3Blinks
4Blinks
5Blinks
2-6.
T
ria
g
e
Char
t
– 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
No REG12V
BAA Board
110V
220V-240V
No
No
Yes
Yes
No
Yes
No
Yes
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