LG M237wd Owners Manual

70
PARENTAL CONTROL / RATINGS
DOWNLOADABLE RATING
This function may become available in the future and will be available only for digital channel signal.
This function operates only when TV has received Region5 Rating data.
Select LOCK.
2
Select D Do
ow
wn
nl
lo
oa
ad
da
ab
bl
le
e 
 R
Ra
at
ti
in
ng
g
.
1
3
Select desired D Do
ow
wn
nl
lo
oa
ad
da
ab
bl
le
e 
 R
Ra
at
ti
in
ng
g 
 
option.
MENU
ENTER
4
Select desired option and block it.ENTER
Lock System : Off
Set Password
Block Channel
Movie Rating
TV...

71
PARENTAL CONTROL / RATINGS
INPUT BLOCK
Enables you to block an input.
Select LOCK.
2
Select I In
np
pu
ut
t 
 B
Bl
lo
oc
ck
k
.
1
3
Select input source.
ENTER
ENTER
4
Select O On
n
or O Of
ff
f
.ENTER
Lock System : Off
Set Password
Block Channel
Movie Rating
TV Rating-Children
TV Rating-General
Downloadable Rating
Input Block
LOCKMoveEnter
Input Block
Lock System : Off
Set Password
Block Channel
Movie Rating
TV Rating-Children
TV Rating-General
Downloadable Rating
Input Block
LOCKMoveEnter
Input...

72
No picture & No sound
No color, poor color,
or poor picture
Poor reception on 
some channels
Lines or streaks
in pictures
Horizontal/vertical bars
or picture shaking Picture appears slowly 
after switching on
ACheck whether the product is turned on.
ATry another channel. The problem may be with the broadcast.
AIs the power cord inserted into wall power outlet?
ACheck your antenna direction and/or location.
ATest the wall power outlet, plug another product’s power cord into the outlet
where the...

73
APPENDIX
N No
o 
 A
Au
ud
di
io
o.
.
APress the VO L+ + 
 
or- -
button.
ASound muted? Press MUTEbutton.
ATry another channel. The problem may be with the broadcast.
AAre the audio cables installed properly?
AAdjust Balancein menu option.
AA change in ambient humidity or temperature may result in an unusual noise
when the product is turned on or off and does not indicate a problem with
the product. Picture OK but no sound
Unusual sound from
inside
the product
No output from one 
of the speakers
N No
o...

74
APPENDIX
T Th
he
e 
 s
sc
cr
re
ee
en
n 
 i
im
ma
ag
ge
e 
 l
lo
oo
ok
ks
s 
 a
ab
bn
no
or
rm
ma
al
l.
.
AAdjust the Position menu in OSD.
ASee if the video card resolution and frequency are supported by the product.   
If the frequency is out of range, set to the recommended  resolution using
the display settings on the PC.
AAdjust the Clock menu in OSD.
AAdjust the Phase menu in OSD. Is the picture offset?
Horizontal noise appears
or the characters look
blurred.
Do thin lines appear on
the...

75
MAINTENANCE
Careful and regular cleaning can extend the amount of time you can enjoy your new set. 
Caution: Be sure to turn the power off and unplug the power cord before you begin any cleaning.
Cleaning the Screen
To keep the dust off your screen for a while, wet a soft cloth in a mixture of lukewarm water and a little fab-
ric softener or dishwashing detergent. Wring the cloth until it’s almost dry, and then use it to wipe the
screen.
Make sure the excess water is off the screen, and then let it...

76
APPENDIX
PRODUCT SPECIFICATIONS
The specifications shown above may be changed without prior notice for quality improvement.
Powe rAC 100-240V ~50/60 Hz 1.0A
On Mode      :  50W (typ.)
Sleep Mode      1W (RGB)
Off Mode         1W
LCD PanelScreen Type
Pixel Pitch23 inches Wide (584.2 mm) TFT (Thin Film Transistor)
LCD (Liquid Crystal Display) Panel
Visible diagonal size : 584.2 mm
0.266(H) x 0.266(V) mm
Max. Resolution
Recommended Resolution
Horizontal Frequency
Vertical Frequency
Synchronization...

77
PROGRAMMING CODE
APPENDIX
PROGRAMMING THE REMOTE CONTROL
Programming a code into a remote mode
To find out whether your remote control can operate the component without programming, turn on the
component such as a VCR and press the corresponding mode button (such as a D DV
VD
D
or V VC
CR
R
) on the
remote control. While pointing at the component, test the P PO
OW
WE
ER
R
and P PR
R 
 +
+ 
 /
/ 
 -
-
buttons to see if the
component responds properly. If not, the remote requires programming to operate...

78
APPENDIX
Brand Codes Brand Codes Brand Codes
AIWA 034
AKAI 016 043 046 124
12 5 14 6
AMPRO 072
ANAM 031 033 103
AUDIO DYNAMICS012 0 23 0 39 0 43
BROKSONIC 035 037 129
CANON 028 031 033
CAPEHART 108
CRAIG 003 040 135
CURTIS MATHES 031 033 041
DAEWOO 005 007 010 064
0 6 5 1 0 8 11 0 111
11 2 11 6 11 7 11 9
DAYTRON 108
DBX 012 023 039 043
DYNATECH 034 053
ELECTROHOME 059
EMERSON 006 017 025 027
029 031 034 035
036 037 046 101
12 9 131 13 8 15 3
FISHER 003 008 009 010
FUNAI 034
G E 031 033 063 072
10 7 10...

79
APPENDIX
IR CODES
AConfiguration of frame 
1st frame
Repeat frame
ALead code
ARepeat code
AB Bi
it
t 
 d
de
es
sc
cr
ri
ip
pt
ti
io
on
n
AF
Fr
ra
am
me
e 
 i
in
nt
te
er
rv
va
al
l:
: 
 T
Tf
f 
 
The waveform is transmitted as long as a key is depressed.
C0C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
 Lead code Low custom code High custom code Data code  Data code 
Repeat  code
Tf
4.5 ms 9 ms 
2.25 ms  9 ms 0.55 ms 
0.56 ms
1.12 ms0.56 ms
2.24 ms
TfTf...