Sharp LC-70UD20KN (serv.man4) Service Manual ▷ View online
10
LC-60UD20
LC-70UD20
Operation Manual (Continued)
24
s
n
oi
t
c
e
n
n
o
c
ot
n
oi
t
c
u
d
or
t
nI
The TV is equipped with the terminals as shown
below
. Find the cable corr
esponding the TV’
s
terminal and connect the device.
Ɣ
Befor
e connecting ...
t
Be sur
e to tur
n
off
the TV and any devices befor
e
making any connections.
t
Firmly connect a cable to a terminal or terminals.
t
Car
efully r
ead the operation manual of each exter
nal
device for possible connection types. This also helps
you get the best possible audiovisual quality to
maximise the potential of the TV and the connected
device.
Connection method for other devices
Ů
PC
Ů
USB HDD
Ů
SD/USB media
Ů
Inter
net
NOTE
t
You can connect 4K equipment to all HDMI terminals.
t
Please use HDMI cable of high speed type when
connecting 4K equipment.
Audio device
V
ideo r
ecor
ding device
Game console or
camcor
der
HDMI-certified cable
HDMI-certified cable
DVI/HDMI cable
ø 3.5 mm ster
eo minijack cable
A
V
cable
Audio cable
Optical audio cable
SCAR
T cable
Component cable
Audio cable
HDMI device
or
11
LC-60UD20
LC-70UD20
Operation Manual (Continued)
T
roubleshooting
Pr
oblem
Possible solution
•
No power
.
•
Is the AC cor
d disconnected?
•
Check if you pr
essed
a
on the TV
.
•
The TV cannot be
operated.
•
Exter
nal influences such as lightning, static electricity
, etc.,
may cause impr
oper operation. In this case, operate the TV
after first tur
ning of
f the power
, or unplugging the AC cor
d
and r
e-plugging it in after one or two minutes.
•
Remote contr
ol unit
does not operate.
•
Ar
e batteries inserted with polarity (
e
,
f
) aligned?
•
Ar
e batteries wor
n out? (Replace with new batteries.)
•
Ar
e you using it under str
ong or fluor
escent lighting?
•
Is a fluor
escent light illuminating to the r
emote contr
ol
sensor?
•
Pictur
e is cut of
f.
•
Is the image position corr
ect?
•
Ar
e scr
een mode adjustments (Wide mode) such as pictur
e
size made corr
ectly?
• Strange
colour
,
light colour
, or dark
colour
, or colour
misalignment.
•
Adjust the pictur
e tone.
•
Is the r
oom too bright? The pictur
e may look dark in a r
oom
that is too bright.
•
Check the “Colour system” setting
•
Power is suddenly
tur
ned of
f.
•
The TV’
s inter
nal temperatur
e has incr
eased. Remove any
objects blocking the vent or clean.
•
Is the “Sleep timer” set? Select “Of
f” fr
om the “Sleep timer”
menu
•
Is “No signal of
f” or “No operation of
f” activated?
•
No pictur
e.
•
Ar
e connections to exter
nal equipment corr
ect?
•
Is the input signal type selected corr
ectly after connection?
•
Is the corr
ect input sour
ce selected?
•
Is a non-compatible signal being input?
•
Is the pictur
e adjustment corr
ect?
•
Is the antenna connected pr
operly?
•
Refer to “Pictur
e / Audio test”
•
No sound.
•
Is the volume too low?
•
If you do not clearly hear the sound for the visually impair
ed,
go to “TV Menu” > “Setup” > “Audio” > “Audio description
setting” > “Mix level”, and select the upper level to tur
n up
the volume.
•
Make sur
e that headphones ar
e not connected.
•
Check if you pr
essed
e
on the r
emote contr
ol unit.
•
Is the pr
oper item selected in the “Audio select” menu
when connecting devices to the HDMI 3 terminal or the PC
terminal?
•
Refer to “Pictur
e / Audio test”
•
The TV sometimes
makes a cracking
sound.
•
This is not a malfunction. This happens when the cabinet
slightly expands and contracts accor
ding to changes in
temperatur
e. This does not af
fect the TV’
s performance.
•
Net TV start page
cannot be displayed.
•
Is the ETHERNET cable connected corr
ectly?
•
Check the settings of “Network setup”
• Some
Inter
net
functions used on a
PC ar
e not available
fr
om the TV
.
•
The TV has only limited functions compar
ed with r
egular PC
br
owsers
• Miracast
image/audio
cannot be output to
the TV
.
• Check
pairing.
Cautions r
egar
ding use in high and low temperatur
e envir
onments
•
When the TV is used in a low temperatur
e space (e.g., r
oom, of
fice), the pictur
e
may leave trails or appear slightly delayed. This is not a malfunction, and the TV will
recover when the temperatur
e r
etur
ns to normal.
•
Do not leave the TV in a hot or cold location. Also, do not leave the TV in a location
exposed to dir
ect sunlight or near a heater
, as this may cause the cabinet to deform
and the LCD panel to malfunction.
Storage temperatur
e:
f
20 °C to
e
60 °C.
12
LC-60UD20
LC-70UD20
Operation Manual (Continued)
PC contr
ol of the TV
•
When a pr
ogramme is set, the TV can be contr
olled
fr
om the PC using RS-232C or IP
. The input signal (PC/
video) can be selected, the volume can be adjusted and
various other adjustments and settings can be made,
enabling automatic pr
ogrammed playing.
•
Use an RS-232C serial contr
ol cable (cr
oss type),
ETHERNET cable (commer
cially available) or wir
eless
LAN for the connections.
NOTE
•
This operation system should be used by a person who
is accustomed to using PCs.
Communication conditions for IP
ETHERNET cable (commer
cially available)
Connect to the TV with the following settings made
for IP on the PC.
IP pr
otocol
TCP/IP
Host IP addr
ess
Set the IP addr
ess on the TV
menu
Service
None (Do not select T
elnet
or SSH)
TCP port#
Set a port number on the TV
menu (Contr
ol port)
When you set your ID and passwor
d on the TV
menu, you need to enter them as soon as you
connect to the TV
.
NOTE
•
The connection will be cut of
f when ther
e has been no
communication for 3 minutes.
IP Contr
ol setup
1
Go to “Setup” > “V
iew setting” > “Network Setup”
> “IP Contr
ol/Remote app” > “Contr
ol setting” >
“Change”.
2
T
o
use IP Contr
ol, select “Enable”.
3
“Detail setting” > Set your login ID and passwor
d.
4
Set the port to use with IP Contr
ol.
5
Confirm the settings, and then pr
ess “OK”.
Communication conditions for RS-232C
RS-232C serial contr
ol cable (cr
oss type)
(commer
cially available)
Set the RS-232C communications settings on the
PC to match the TV’
s communications conditions.
The TV’
s communications settings ar
e as follows:
Baud rate
9,600 bps
Data length
8 bits
Parity bit
None
Stop bit
1 bit
Flow contr
ol
None
Communication pr
ocedur
e
Send the contr
ol commands fr
om the PC via the
RS-232C connector
.
The TV operates accor
ding to the r
eceived
command and sends a r
esponse message to the
PC.
Do not send multiple commands at the same time.
W
ait until the PC r
eceives the OK r
esponse befor
e
sending the next command.
Make sur
e to send “A” with the carriage r
etur
n and
confirm that “ERR” r
etur
ns befor
e operating.
Command format
Eight ASCII codes +CR
no
p
C1 C2 C3 C4
P1
P2
P3
P4
n
Command four digits: Command. The text of
four characters.
o
Parameter four digits: Parameter 0
_
9, blank, ?,
minus
p
Retur
n code (0DH):
?
Parameter
Input the parameter values, aligning left, and fill with
blank(s) for the r
emainder (be sur
e that four values
ar
e input for the parameter).
When the input parameter is not within an adjustable
range, “ERR” r
etur
ns (r
efer to “Response code
format”).
00
5
5
10
0
0009
0
When “?” is input for some commands, the pr
esent
setting value r
esponds.
????
Response code format
Normal r
esponse
Pr
oblem r
esponse
(communication err
or or
incorr
ect command)
OK
ER
R
Retur
n code (0DH)
Retur
n code (0DH)
LAN
13
LC-60UD20
LC-70UD20
Operation Manual (Continued)
Wir
eless installation
This TV is equipped with a wir
eless LAN function.
E
Wir
eless connection overview
n
PC
o
Wir
eless LAN r
outer/access point
p
Wir
eless LAN LCD TV
q
Network
NOTE
•
When using the SHARP wir
eless LCD TV
, try to
pr
ovide as much fr
ee space ar
ound the device for best
performance.
•
Make sur
e the fir
ewalls in your network allows access to
the TV wir
eless connection.
•
Operations cannot be guaranteed when used with
access points that do not have Wi-Fi® certification.
•
A wir
eless LAN access point is r
equir
ed to connect
the TV to the Inter
net using a wir
eless LAN. See the
operation manual of your access point for setup.
E
How to connect
1
Switch on your r
outer befor
e starting the
network installation.
2
Go to “Network setup” > “Auto setup”, and then
pr
ess
;
.
NOTE
•
Follow the on-scr
een instructions when setting
manually
.
Go to “Network setup” > “Manual setup”.
3
Pr
ess
a/b
to select “Wir
eless”, and then pr
ess
;
.
4
Confirm the WPS location and then pr
ess
;
to
go to the next step.
5
Perform “Connection test” after the connection
is completed. Pr
ess
c/d
to select “Y
es”, and
then pr
ess
;
.
6
The connection test r
esult will be displayed on
the scr
een. Follow the on-scr
een instructions for
the settings after this step.
NOTE
•
When not using “Push button”, perform the settings
fr
om “Network setup” > “Manual setup” > “Connection
type”.
•
T
o
connect your TV to the inter
net, you must have a
br
oadband inter
net connection.
•
If you do not have a br
oadband inter
net connection,
consult the stor
e wher
e you pur
chased your TV or ask
your inter
net service pr
ovider or telephone company
.
•
Ther
e is no need to enter the security key for
subsequent connections to the wir
eless network.
•
If your access point is set to a stealth mode (that
pr
events detection by other devices), you may not be
able to establish a connection. In this case, disable the
stealth mode on the access point.
•
If you want to change the IP settings manually
, go to
“Network setup” > “Manual setup” > “IP” setup” and
follow the on-scr
een instructions and the operation
manual of the r
outer
.
Click on the first or last page to see other LC-70UD20KN (serv.man4) service manuals if exist.