Sony KDL-22EX550 / KDL-22EX553 / KDL-22EX555 / KDL-26EX550 / KDL-26EX553 / KDL-26EX555 / KDL-32EX650 / KDL-32EX653 / KDL-32EX655 Service Manual ▷ View online
KDL-22/26EX550,553,555,32EX650,653,655(AEP/UK/IT)
73
ADJUSTMENT
SET TO SHIPPING CONDITION
How to do shipping condition.
a. Move to “Digital” service mode.
Press “8” on remote.
It shows green “
SERVICE
” changes to green “
RST-
”.
Press “mute” on remote.
Added green “
EXE
” after green “
RST-
” .
d. Press “0” on remote. Green “
EXE-RST
” changes to red “
EXE-RST
”. It indicate writing is processing.
After a while, red “
EXE-RST
” changes to green “
SERVICE
”.
And all LED lights.
Writing process is done at this point.
<Another way>
You can set to shipping condition w/o entering Service Mode.
-> “Cursor Up” on remote + “Power Key” on Front panel.
TIMER
Standby
POWER
KDL-22/26EX550,553,555,32EX650,653,655(AEP/UK/IT)
74
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE CHART
Note: B board and Power board are different in name every inch. Therefore this section displays difference point in"*".
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
G* BOARD
HL BOARD
SPEAKER
Skype MODULE
LVDS CABLE
T-CON
LCD PANEL
Problem
POWER
POWER
AUDIO
POWER
PANEL
(TCON)
PANEL
(INVERTER)
TEMP
Software EMITTER
: doubtful part
: Few possibility
Reference
Video - missing or distorted
Symptoms - Shutdown. Power LED
blinking red diagnostics sequences
KDL-22/26EX550,553,555,32EX650,653,655(AEP/UK/IT)
75
TROUBLE SHOOTING
3-2. FLOW CHART
START
Does the Power Led
stay on when the
TV is switched on ?
Is the Standby Led
blink ?
Is the Picture and
Sound OK ?
END
See
No Power
No Power
See
Standby LED Blink
Standby LED Blink
See
No Picture / No Sound
No Picture / No Sound
Is the network
connection OK?
See
Network malfunction
Network malfunction
No
Yes
Yes
No
No
Yes
See
Skype malfunction
Skype malfunction
No
Yes
Do the buttons
on the TV & Remote
Commander work
properly?
See
TV/ Commander
button malfunction
TV/ Commander
button malfunction
No
No
Yes
No
Yes
Is the Power Led
blink ?
See
Power LED Blink
Power LED Blink
Yes
No
Is the Skype
function OK?
See
HDD Rec malfunction
HDD Rec malfunction
No
Is the HDD Rec
function OK?
Yes
KDL-22/26EX550,553,555,32EX650,653,655(AEP/UK/IT)
76
TROUBLE SHOOTING
3-3. NO POWER
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
B* board
NG
OK
NG
Symptom
improvement
improvement
Long AC off
(> 15 min.).
Power protection or
CPU abnormal stop
NG
OK
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