Sony KDL-32HX750 / KDL-40HX750 / KDL-46HX750 / KDL-55HX750 Service Manual ▷ View online
KDL-32/40/46/55HX750(K)
97
ADJUSTMENT
VCOM ADJUSTMENT
Note: Please execute this adjustment if necessary.
1) Change Data of “VPC” service mode.
a. Select
“002 VCOM”
category by pressing “2 / 5” on remote.
b. Select “000 ENABLE” item by pressing “1 / 4” on remote.
c. Change ENABLE from “0” to “1” to enable VCOM adjustment.
VPC
SERVICE
002
VCOM
000
ENABLE 0
d. Select
“002 VCOM”
category by pressing “2 / 5” on remote.
e. Select “001 ADJUST” item by pressing “1 / 4” on remote.
f. Change data by pressing “3 / 6” on remote controller.
g. Finish the adjustment when the picture seems OK.
Attention:
-Every time the data changed by pressing “3 / 6” Key, the VCOM pattern will display for 5s and in the mean time OSD will disappear, After the 5s period, VCOM pattern
-Every time the data changed by pressing “3 / 6” Key, the VCOM pattern will display for 5s and in the mean time OSD will disappear, After the 5s period, VCOM pattern
will disappear and OSD will display again.
The 5s time can be adjust by data change.
The 5s time can be adjust by data change.
-If pressing the “3/6” key again during the 5s period, the VCOM pattern display time will be extended to another 5s.
VPC
SERVICE
002
VCOM
001
ADJUST 64
KDL-32/40/46/55HX750(K)
98
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-32/40/46/55HX750(K)
99
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE CHART
Note: Power board is different in name every inch. Therefore this section displays difference point in "*".
Green LED
Blinking
No
Pow er
Remote
Netw ork
Audio
Skype
2
3
4
5
6
7
8
10
Green LED
non-s top
Blinking
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
BAPS BOARD
G* BOARD
HEM3 BOARD
SPEAKER
Skype MODULE
W IFI MODULE
LD BOARD
LVDS CABLE
T-CON
LCD PANEL
Problem
POWER
POWER
AUDIO
POWER
PANEL
(TCON)
PANEL
(INVERTER)
TEMP
Software EMITTER
: doubtful part
: Few pos s ibility
Reference
Video - missing or distorted
Symptoms - Shutdow n. Pow er LED
blinking red diagnostics sequences
KDL-32/40/46/55HX750(K)
100
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
3D malfunction
3D malfunction
No
Yes
Is the 3D
function OK?
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
See
Skype malfunction
Skype malfunction
No
Is the Skype
function OK?
Yes
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