Sony KDL-22EX420 / KDL-26EX420 / KDL-32EX420 / KDL-32EX520 / KDL-32EX523 / KDL-40EX520 / KDL-40EX523 / KDL-46EX520 / KDL-46EX523 Service Manual ▷ View online
2-1. Overview of Control Buttons
SECTION 2
SELF DIAGNOSTIC FUNCTION
1
2
3
4
5
Power
Program
Volume
Input Select/
Home
Enter
6
7
8
9
Remote
Sensor
Picture
Timer
Off/Standby
Indicator
Power
Indicator
16
Status
Pic off /
Connecting /
Timer
Standby Pow er/REC
Blinking Pattern
POWER ON
Off
Off
Green
Standby
(by Remote Control Off)
(by Remote Control Off)
Off
Red Lit
Off
Self Diagnosis
Off
Red Blink Off
Refer to Blinking
Pattern of Self
Diagnosis Mode
Pattern of Self
Diagnosis Mode
End of the Aging Mode
Off
Off
Green Blink 3sec On / 3sec Off
Aging Mode
Off
Off
Green Blink 0.5sec On / 0.5sec
Off
Softw are Updating
Orange Blink
Red Lit
Off
5sec On / 1sec Off
Softw are Update Finish
Orange Lit
Off
Green Lit
Test Reset
Orange Lit
Red Lit
Green Lit
Error on Panel ID
Orange Blink
Off
Green Blink 0.5sec On / 0.5sec
Off
(REC)(Sleep Timer)(Pow er
ON)
ON)
Orange
Off
Red
(Picture Off) (On Timer)
(REC) (Pow er On)
(REC) (Pow er On)
Green
Off
Red
LED Type
Description
Remark
POWER
Green: LED
Red : LED
Red : LED
Green lights at Pow er On.
Red lights w hen recording (Japan and Europe models only)
Red lights w hen recording (Japan and Europe models only)
STANDBY
Red:One LED
Red lights during standby
Timer/ Pic Off
Orange/Green:
Tw o LEDs
Tw o LEDs
Green Lights during Picture Off and Orange Lights during Timer Activation.
2-2. LED Display Specification
2-3. LED Display Control
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523
RM-GD020
2-5. Standby LED Error Display
Self Diagnostic Function
Blinking
Times
Error
Countermeasure to replaced either / all
2
Main Power Error
Panel ID NVM Error
6
Backlight Error
7
Temperature Error
8
Software Error
9
Reserved
Reserved
10
Emitter Board Power
Error
Not applicable for this manual
5
4
3
Main Board / DC Alert
Error / Audio Error
Balancer Error / MM
SPI Error / VLED Error Not applicable for this manuall
Tcon Error / HFR Error /
FRC No
Not applicable for this manuall
Power Supply Board
Main Board
Main Board
Power Supply Board
Main Board
Panel
Main Board
Wifi (Not applicable for this manual)
Main Board
Tcon
Panel Module
17
2-4. LED Pattern
When safety shutdown occurs, Standby LED display reports the cause by using
the lighting 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 second interval
of lighting off is fixed regardless of abnormal state types.
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523
RM-GD020
2-6. Triage Chart
Self Diagnostic Function
Segment
Size
B* Board
Type
G* Board
Type
H* Board
Type
P-1
22
BAT-S
G1A
HLR2
P-1
26
BAT-S
G1B
HLR2
P-1
32
BAT-V
GE2A
HLR2
P-1
40
BAT-V
GE3A
HLR2
P-1
46
BAT-V
GE3A
HLR2
18
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523
RM-GD020
Green LED
Blinking
No
Power
Remote
Network
Audio
Skype
2
3
4
5
6
7
8
10
Green LED
non-stop
Blinking
No Green Power
LED (Dead Set)
Stationary
colored
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
▲
l
▲
▲
▲
l
l
▲
▲
▲
l
l
▲
▲
l
▲
G* BOARD
l
▲
▲
▲
l
▲
l
▲
H* BOARD（IR）
▲
l
l
RF Module（RF）
l
SPEAKER
▲
l
Skype Module
l
Wifi Module
l
l
▲
LD B OARD**
l
▲
LVDS CABLE
▲
▲
▲
▲
TCON
l
▲
LCD Panel
l
l
▲
l
l
POWER POWER POWER
PANEL
(TCON)
PANEL
(Backlight) TEMP
EMIT-TER
AUDIO
FAN
(N/A)
*
Not applicable for this manual
Doubtful Part
Few Possibility
Few Possibility
Reference
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
Video
- missing or distorted
Problem
**
*
*
*
*
Skype
**
*
*
*
*
No Power
Check STBY 3.3V
at 10 pin of CN6001
on the B* Board
Harness
G* Board
Replace the Harness
Between G* Board and
B* Board
Turn on the Switch
B* Board
Check
*Power Saving Switch
NG
OK
NG
SW OFF
SW ON
*Power Saving Switch：Only for BAT-L model
(2b-1,2b-2,3a-1)
2-times blinking
Check REG12V at
pins 2/3 of CN6001 on
the B* Board
B* Board
Harness
G* Board
Replace the Harness
Between G* Board and
B* Board
NO 12V
12V OK
NG
SECTION 3
TROUBLESHOOTING
3-1. Power Problem
Symptom
improvement
Symptom
improvement
Segment
Size
B* Board Type
G* Board Type
P-1
22
BAT-S
G1A
26
BAT-S
G1B
32
BAT-V
GE2A
40
BAT-V
GE3A
46
BAT-V
GE3A
Note: B* and G* Board
3-2-1. 2-times blinking (Main Power Error)
3-2. Standby LED Blinking
19
KDL- 22, 26 EX420, 32,40,46 EX520
RM-GD020, CD013
KDL- 22 EX423, 26 EX423, 32 EX420, 32, 40, 46 EX523
RM-GD020
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