Sharp LC-70UD20KN (serv.man4) Service Manual ▷ View online
9
LC-60UD20
LC-70UD20
Operation Manual (Continued)
Operation overview
Follow the steps below one by one when using the TV
. Some steps may not be necessary
depending on your TV installation and connection.
1. Pr
eparation — Connecting the TV
NOTE
•
The cable tie can be moved fr
om
to
.
•
Place the TV close to the AC
outlet, and keep the power
plug within r
each.
•
Pr
oduct shape varies in some
countries.
n
Plug the standar
d DIN45325 plug (IEC 169-2)
75
q
coaxial cable.
o
Connect the satellite antenna cable.
p
Insert a CA car
d into the CI slot to watch scrambled
br
oadcasts
q
Plug in the AC cor
d.
2. Pr
eparation — Setting the TV
n
Pr
ess
a
on the TV
o
Run the initial auto installation
w
Language setting
w
Home/Stor
e setting
w
Country setting
w
PIN setting
w
Channel sear
ch setting
• Digital
sear
ch
−
T
err
estrial
−
Cable
• Analogue
sear
ch
• Satellite
sear
ch
Start sear
ching channels
p
Congratulations!
Now you can watch TV
.
•
If necessary
, adjust the antenna to attain maximum signal
reception
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
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