Sony KDL-32EX720 / KDL-32EX723 / KDL-40EX720 / KDL-40EX723 / KDL-46EX720 / KDL-46EX723 / KDL-55EX720 / KDL-55EX723 / KDL-60EX720 Service Manual ▷ View online
Self Diagnostic Function
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
2-5. Standby LED Error Display
Blinking
Times
Error
Countermeasure to replaced either / all
2
Main Power Error
Power Supply Board (*)
2-4. LED Pattern
When safety shutdown occurs, Standby LED display reports the cause by using
the lighting patterns as indicated below.
the lighting patterns as indicated below.
2
Main Power Error
3
Main Board / DC Alert
Error / Audio Error
Error / Audio Error
Balancer Error / MM
pp y
( )
Main Board (*)
Main Board (*)
5
4
Balancer Error / MM
SPI Error / VLED Error
SPI Error / VLED Error
Tcon Error / HFR Error /
FRC No
FRC No
LED driver board
Panel Module
Panel Module
Power Supply Board (*)
Main Board (*)
Panel
Main Board (*)
Panel
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
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 second interval
Panel ID NVM Error
6
Backlight Error
Power Supply Board (*)
Main Board (*)
Panel
Main Board (*)
Panel
Tcon
Panel Module
Panel Module
and has a 3 seconds interval of lighting off. Please note that a 3 second interval
of lighting off is fixed regardless of abnormal state types.
of lighting off is fixed regardless of abnormal state types.
7
Temperature Error
8
Software Error
9
Reserved
Reserved
Main Board (*)
Wif i (Not applicable f or this model)
Wif i (Not applicable f or this model)
Main Board (*)
10
Emitter Board Power
Error
Error
3D sync transmitter board
Size
B* Board
Type
G* Board
Type
(*)
32
BAT-V G10A
40
BAT-V
G4B
46
BAT-V
G5D
55
BAT V
G6A/G8A
2
0
55
BAT-V
G6A/G8A
60
BAT-V
G6A/G8A
2-6. Triage Chart
Self Diagnostic Function
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
Green LED
Blinking
No
Power
Remote
Network
Audio
Skype
Green LED
Stationary
colored
No video
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Video
- missing or distorted
Skype
2
3
4
5
6
7
8
10
Green LED
non-stop
Blinking
No Green Power
LED (Dead Set)
colored
lines or
lines or
dots
No video
One of
Inputs
No video
all Inputs
No Remote
Wireless
can't connect
No Audio
Skype
Can't Work
B* BOARD
▲
▲
▲
▲
▲
▲
▲
▲
▲
▲
G* BOARD
▲
▲
▲
▲
▲
H* BOARD
（IR）
▲
*
*
RF Module
（RF）
SPEAKER
▲
Skype Module
Wifi Module
▲
LD BOARD
▲
*
*
*
*
*
*
LD BOARD
▲
LVDS CABLE
▲
▲
▲
▲
TCON
▲
LCD Panel
▲
PANEL
PANEL
POWER POWER POWER (TCON) (Backlight) TEMP
EMIT-TER
AUDIO
FAN
(N/A)
Doubtful Part
Problem
*
Not applicable for this m odel
Doubtful Part
Few Possibility
Size
B* Board
Type
G* Board
Type
H* Board
Type
*
32
BAT-V G10A
HLR2
40
BAT-V
G4B
HLR2
46
BAT-V
G5D
HLR2
55
BAT V
G6A/G8A
HLR2
2
1
55
BAT-V
G6A/G8A
HLR2
60
BAT-V
G6A/G8A
HLR2
SECTION 3
TROUBLESHOOTING
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
3-1. Power Problem
3-2-1. 2-times blinking (Main Power Error)
3-2. Standby LED Blinking
No Power
Turn on the Switch
Check
*Power Saving Switch
SW OFF
2-times blinking
Ch
k REG12V t
Check STBY 3.3V
at 10 pin of CN6001
G* Board
Replace the Harness
Between G* Board and
NG
NG
SW ON
Check REG12V at
pins 2/3 of CN6001 on
the B* Board
G* Board
Replace the Harness
Between G* Board and
B* Board
NO 12V
12V OK
NG
Symptom
on the B* Board
B* Board
OK
B* Board
Harness
y p
improvement
Symptom
improvement
improvement
Harness
B* Board
Note: B* and G* Board
Size
B* Board
Type
G* Board
Type
*Power Saving Switch：Only for BAT-L model
(2b-1,2b-2,3a-1)
32
BAT-V G10A
40
BAT-V
G4B
46
BAT-V
G5D
55
BAT V
G6A
(
,
,
)
2
2
55
BAT-V
G6A
60
BAT-V
G6A
Trouble Shooting
KDL- 32, 40, 46, 55, 60 EX720, 32, 40, 46, 55 EX723
RM-GD019
3-2-2. 3-times blinking( DC Alert & Audio Error)
3-times blinking
Check AUDIO
+12.5V at pin 8/9 of
CN6001 on
G* Board
DC_ALERT
AUDIO
NG
Check D+1.2V at
JL6007
on the B* Board
F6001,IC6005,etc
(B* Board)
the B* Board
NG
OK
Check +3.3V_MAIN
JL9234
F6003 IC6003 etc
Check +12.5V
at F4601 on
the B* Board
F4601,IC4601,etc
(B* Board)
OK
NG
NG
at JL9234 on
the B* Board
F6003,IC6003,etc
(B* Board)
IC4601,etc
(B* Board)
OK
AUDIO
OK
Speaker
Check
Speaker Impedance
at SP Connector
AUDIO
NG
Note: B* and G* Board
Size
B* Board
Type
G* Board
Type
32
BAT V
G10A
OK
32
BAT-V
G10A
40
BAT-V
G4B
46
BAT-V
G5D
55
BAT-V
G6A
2
3
60
BAT-V
G6A
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