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  • KDL-22EX320, KDL-22EX325, KDL-26EX320, KDL-26EX321, KDL-26EX325, KDL-32EX421, KDL-32EX521, KDL-40EX521, KDL-46EX521

DOWNLOAD Sony KDL-22EX320 / KDL-22EX325 / KDL-26EX320 / KDL-26EX321 / KDL-26EX325 / KDL-32EX421 / KDL-32EX521 / KDL-40EX521 / KDL-46EX521 Service Manual ↓ Size: 3.16 MB | Pages: 77 in PDF or view online for FREE

Model
KDL-22EX320 KDL-22EX325 KDL-26EX320 KDL-26EX321 KDL-26EX325 KDL-32EX421 KDL-32EX521 KDL-40EX521 KDL-46EX521
Pages
77
Size
3.16 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / S/N RANGE 3,000,001 - 4,500,000
File
kdl-22ex320-kdl-22ex325-kdl-26ex320-kdl-26ex321-kd.pdf
Date
PREV: Sony KDL-32CX525 / KDL-40CX525 / KDL-46CX525 (serv.man2) Service Manual

Sony KDL-22EX320 / KDL-22EX325 / KDL-26EX320 / KDL-26EX321 / KDL-26EX325 / KDL-32EX421 / KDL-32EX521 / KDL-40EX521 / KDL-46EX521 Service Manual ▷ View online

KDL-22EX320/325, 26EX320/325, 32EX421, 32/40/46EX521(AEP/UK/RUSS)
37
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE CHART
Note: Power board is different in name every inch. Therefore this section displays difference point in "*".
No
Pow er
Remote
Netw ork
Audio
Skype
2
3
5
6
7
8
No Green
Power LED
(Dead Set)
Stationary
colored lines
or dots
No video
one of Inputs
No video
all Inputs
No
Rem ote
Wireles s
can't
connect
No Audio
Skype
Can't Work
BATV BOARD
G* BOARD
HLR2 BOARD
SPEAKER
Skype MODULE
W IFI MODULE
LVDS CABLE
T-CON
LCD PANEL
Problem
POWER
POWER
AUDIO
PANEL
(TCON)
PANEL
(INVERTER)
TEMP
Software
: doubtful part
: Few pos s ibility
Reference
Video - missing or distorted
Symptoms - Shutdow n. Pow er LED
blinking red diagnostics sequences
KDL-22EX320/325, 26EX320/325, 32EX421, 32/40/46EX521(AEP/UK/RUSS)
38
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
See
Standby LED Blink
See
No Picture / No Sound
Is the network
connection OK?
See
Can’t connect network
No
Yes
Yes
No
No
Yes
Do the buttons
on the TV & Remote
Commander work
properly?
See
TV/ Commander 
button malfunction
No
No
Yes
No
Yes
See
Skype malfunction
No
Is the Skype
function OK?
Yes
See
HDD Rec malfunction
No
Is the HDD Rec
function OK?
Yes
KDL-22EX320/325, 26EX320/325, 32EX421, 32/40/46EX521(AEP/UK/RUSS)
39
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
Between G* Board to
B* Board Harness
B* Board
NG
OK
NG
OK
KDL-22EX320/325, 26EX320/325, 32EX421, 32/40/46EX521(AEP/UK/RUSS)
40
1) 2 times blinking (Main Power Error)
TROUBLE SHOOTING
3-4. STANDBY LED BLINK
2 times blinking
Check REG12V at
pins 2/3 of
CN6001 on
the B* Board
B* Board
Harness
G* Board
Replace
Between G* Board to
B* Board Harness
12V NG
12V OK
NG
OK
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