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  • KDL-32EX720, KDL-32EX721, KDL-32EX723, KDL-32EX724, KDL-32EX725, KDL-32EX726, KDL-32EX727, KDL-32EX728, KDL-32EX729, KDL-37EX720, KDL-37EX723, KDL-37EX725, KDL-40EX720, KDL-40EX721, KDL-40EX723, KDL-40EX724, KDL-40EX725, KDL-40EX726, KDL

DOWNLOAD Sony KDL-32EX720 / KDL-32EX721 / KDL-32EX723 / KDL-32EX724 / KDL-32EX725 / KDL-32EX726 / KDL-32EX727 / KDL-32EX728 / KDL-32EX729 / KDL-37EX720 / KDL-37EX723 / KDL-37EX725 / KDL-40EX720 / KDL-40EX721 / KDL-40EX723 / KDL-40EX724 / KDL-40EX725 / KDL-40EX726 / KDL Service Manual ↓ Size: 26.46 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-32EX720 KDL-32EX721 KDL-32EX723 KDL-32EX724 KDL-32EX725 KDL-32EX726 KDL-32EX727 KDL-32EX728 KDL-32EX729 KDL-37EX720 KDL-37EX723 KDL-37EX725 KDL-40EX720 KDL-40EX721 KDL-40EX723 KDL-40EX724 KDL-40EX725 KDL-40EX726 KDL
Pages
127
Size
26.46 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / S/N RANGE 3,000,001-5,500,000
File
kdl-32ex720-kdl-32ex721-kdl-32ex723-kdl-32ex724-kd.pdf
Date
PREV: Sony KDL-32EX720 / KDL-32EX723 / KDL-40EX720 / KDL-40EX723 / KDL-46EX720 / KDL-46EX723 / KDL-55EX720 / KDL-55EX723 (serv.man2) Service Manual

Sony KDL-32EX720 / KDL-32EX721 / KDL-32EX723 / KDL-32EX724 / KDL-32EX725 / KDL-32EX726 / KDL-32EX727 / KDL-32EX728 / KDL-32EX729 / KDL-37EX720 / KDL-37EX723 / KDL-37EX725 / KDL-40EX720 / KDL-40EX721 / KDL-40EX723 / KDL-40EX724 / KDL-40EX725 / KDL-40EX726 / KDL Service Manual ▷ View online

KDL-32/37/40/46/55EX720,721,723,724,725,726,726,727,728,729(AEP/UK/RUSS)
109
3-5. NO PICTURE
No Picture
Press HOME Key
OSD displayed?
Replace the B-T-con,
T-con-LD* FFC
G* Board
Check the G*-LD* Harness
No
Change B* Board
Change G* Board
B* Board
Harness
B-T-con,
T-con-LD* FFC
B* Board
LCD Panel
(T-con, LD*)
Yes
OK
NG
NG
OK
NG
OK
NG
OK
TROUBLE SHOOTING
KDL-32/37/40/46/55EX720,721,723,724,725,726,726,727,728,729(AEP/UK/RUSS)
110
TROUBLE SHOOTING
3-6. NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the B* Board
B* Board
Speaker
OK
NG
NG
OK
Check the 
“Speakers setting”
Change to 
“TV Speaker”
“Audio System”
“TV Speakers”
KDL-32/37/40/46/55EX720,721,723,724,725,726,726,727,728,729(AEP/UK/RUSS)
111
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
Replace the Harness
between B* to
Switch Unit
Switch Unit
Harness
Switch Unit change
B* Board
OK
NG
OK
NG
KDL-32/37/40/46/55EX720,721,723,724,725,726,726,727,728,729(AEP/UK/RUSS)
112
TROUBLE SHOOTING
2) IR remote commander malfunction
TV isn’t controlled 
by remote commander
Green LED light
at power indicator
OK
NG
Sensor is broken
HLR Board
B* Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the B* Board
and the HLR Board
Exchange the Harness
Exchange the
HLR Board
Harness
OK
NG
OK
OK
NG
NG
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