Sharp Lc32lb370u Maintenance Manual

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LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
Remote control
General
Poor picture.
• Make sure that the room is not 
too bright. Light reflecting off the 
screen can make the picture 
difficult to see.
•If an S-VHS camera or a 
camcorder is connected while 
another connected device is 
turned on, the picture may be 
poor. Turn off one or more 
devices.
Good sound, but 
poor color.• Adjust the contrast, color, and 
brightness settings. See 
“Adjusting the T V picture” on 
page44.
Audio noise.
• Other devices (for example, a 
surround sound receiver, external 
speakers, fans, or hair dryers) may 
be interfering with your TV. Try 
turning off one device at a time to 
determine which device is 
causing interference. After you 
have determined which device is 
causing interference, move it 
further from the TV to eliminate 
the interference.
No output from 
one of the 
speakers.• Adjust the audio balance. See 
“Adjusting sound settings” on 
page46.
• Make sure that the audio cables 
are connected correctly and 
securely to your TV.
After images 
appear.• Do not display a still image, such 
as a logo, game, or computer 
image, for an extended period of 
time. This can cause a permanent 
after-image to be burned into the 
screen. This type of damage is not 
covered by your warranty.
ProblemSolution
ProblemSolution
Remote 
control does 
not work.• Make sure that the power cord is 
correctly connected to your TV and 
a power outlet.
• Make sure that there are no 
obstructions between the remote 
control and the remote control 
sensor on the front of the TV.
• Point the remote control directly at 
the remote control sensor on your 
TV. For the location of the remote 
control sensor, see “Front” on 
page9.
• The supplied batteries are wrapped 
tightly in clear plastic. Make sure 
that you have removed this plastic 
from the batteries.
• Make sure that the batteries are 
installed correctly. See “Installing 
remote control batteries” on 
page32.
• Replace dead batteries with new 
batteries. See “Installing remote 
control batteries” on page32.
ProblemSolution
No power.
• Make sure that the power cord is 
correctly connected to your TV 
and a power outlet.
• Unplug the power cord, wait 60 
seconds, then plug the cord back 
in and turn on your TV.
• Other devices (for example, a 
surround sound receiver, external 
speakers, fans, or hair dryers) may 
be interfering with your TV. Try 
turning off one device at a time to 
determine which device is 
causing interference. After you 
have determined which device is 
causing interference, move it 
further from the TV to eliminate 
the interference.
“No signal” 
error message is 
displayed.• Press INPUT and make sure that 
you have selected the correct 
input for the device or service you 
are trying to use.
• If you are using a cable or satellite 
box, use the remote that came 
with that box to change channels.
• Make sure that you have the 
correct input selected to view 
channels from the cable or 
satellite box. 
						

							68
 LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
CEC-compatible device
After Auto 
Channel Search, 
there are no 
channels.• Reception can vary by channel 
depending on the broadcast 
power level of a given station. 
Contact your cable or satellite T V 
provider. 
• Make sure that the antenna or 
cable/satellite TV is connected 
securely to your TV. 
• Try replacing the cable between 
the antenna/cable or 
cable/satellite box and your TV.
One or more 
channels do not 
display.• Make sure that the channels are 
not blocked. See “Setting 
parental control levels” on 
page54.
• Make sure that the channels are 
not hidden. The channel may 
have been deleted from the 
channel list. You can tune to the 
channel by pressing the number 
buttons or you can add the 
channel back to the channel list. 
See “Hiding channels” on 
page49.
• If you are using a cable or satellite 
box, use the remote that came 
with that box to change channels.
• Make sure that you have the 
correct input selected to view 
channels from the cable or 
satellite box.
• If you are using an antenna, the 
digital channel signal may be low. 
To check the digital channel 
signal strength, see “Checking 
the digital signal strength” on 
page52.
Password is lost.
•Enter 9999 to access parental 
controls, then set a new 
password. See “Setting or 
changing the password” on 
page52.
Some settings 
cannot be 
accessed.• If a setting is grayed, the setting is 
not available in the current video 
input mode.
TV cabinet 
creaks.• When the TV is in use, the 
temperature rises naturally and 
may cause the cabinet to expand 
or contract which can cause a 
creaking noise. This is not a 
malfunction.
Control buttons 
do not work.• Make sure that the Button Lock 
option is set to Off. See “Locking 
control buttons” on page56.
• Unplug the power cord, wait a 
few seconds, then plug the cord 
back in and turn on your TV.
TV keeps 
turning off.• Make sure that the sleep timer is 
not turned on. See “Setting the 
sleep timer” on page60.
ProblemSolution
A retail banner 
is displayed.• You selected “Store” mode when 
you ran the EZ SETUP wizard. 
Reset your TV to the factory 
defaults, then select Home on the 
What is your viewing environment 
screen. See “Restoring settings to 
the defaults” on page64.
ProblemSolution
My TV is not 
displaying the 
video from the 
connected CEC 
device.• Make sure that the HDMI cable is 
connected securely to your TV 
and the device.
• Make sure that the device is 
connected to your TV with an 
HDMI cable.
• Make sure that the device is a 
CEC-compatible device. See the 
documentation that came with 
the device for more information.
• Make sure that the correct video 
input source is selected. See 
“Selecting the video input 
source” on page36.
• Make sure that the CEC Control 
feature is turned on. See “Turn ing 
CEC Control on or off” on 
page38.
• Try adjusting the TV picture. See 
“Adjusting the T V picture” on 
page44.
• If the device is not a Sharp device, 
it may not be compatible with 
your TV.
ProblemSolution 
						

							69
LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
My TV is not 
playing the 
audio from the 
connected CEC 
device.• Make sure that the HDMI cable is 
connected securely to your TV 
and the device.
• Make sure that the device is 
connected to your T V with an 
HDMI cable.
• Make sure that the device is a 
CEC-compatible device. See the 
documentation that came with 
the device.
• Make sure that the TV volume is 
turned up and not muted.
• Try adjusting the TV sound. See 
“Adjusting sound settings” on 
page46.
• Make sure that the TV speakers 
are turned on and not muted. See 
“Adjusting sound settings” on 
page46.
• Make sure that the CEC control 
feature is turned on. See “Turn ing 
CEC Control on or off” on 
page38.
• If you have connected an HDMI 
CEC audio receiver, adjust the 
volume on the receiver. When 
your TV detects an audio receiver, 
the TV speakers turn off and 
sound plays through receiver 
speakers only.
My TV’s remote 
control does 
not control the 
device.• Make sure that there are no 
obstructions between the remote 
control and the remote control 
sensors on your TV and the 
device.
• If the device is not a Sharp device, 
all the buttons may not work.
• Make sure that the CEC Control 
feature is turned on. See “Turn ing 
CEC Control on or off” on 
page38.
• If you are trying to control the 
volume on an HDMI CEC audio 
receiver using your TV remote 
control, make sure that the Audio 
Return Channel option on the 
CEC menu is set to On. See 
“Turning Audio Return Chan nel 
on or off” on page40.
• The device may not support this 
feature. See the documentation 
that came with the device for 
more information.
ProblemSolution
The device does 
not show up in 
the CEC Device 
list.• Make sure that the device is 
turned on.
• Make sure that the HDMI cable is 
connected securely to your TV 
and the device.
• Make sure that the device is 
connected to your TV with an 
HDMI cable.
• Make sure that the CEC Control 
feature is turned on. See “Turn ing 
CEC Control on or off” on 
page38.
• Make sure that the device is a 
CEC-compatible device. See the 
documentation that came with 
the device.
• If the device is not a Sharp device, 
it may not be compatible with 
your TV.
My device does 
not turn off 
when I turn off 
my TV.• Make sure that the CEC Control 
feature is turned on. See “Turn ing 
CEC Control on or off” on 
page38.
• Make sure that Device Auto 
Power Off is set to On on the CEC 
menu. See “Turn ing Device Auto 
Power Off on or off” on page39.
• The device may not support this 
feature. See the documentation 
that came with the device for 
more information.
My TV does not 
turn on when I 
turn on my 
device.• Make sure that the CEC Control 
feature is turned on. See “Turn ing 
CEC Control on or off” on 
page38.
• Make sure that TV Auto Power 
On is set to On on the CEC menu. 
See “Tu r n i n g T V Au to  Po we r On  
on or off” on page39.
• The device may not support this 
feature. See the documentation 
that came with the device for 
more information.
ProblemSolution 
						

							70
 LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
The Audio 
Return 
Channel 
setting on the 
CEC menu 
keeps turning 
back on after it 
is turned off.• When Audio Return Channel is 
set to Off and CEC Control is set 
to On and you adjust the volume 
on the audio receiver, Audio 
Return Channel is automatically 
set to On. To prevent this from 
happening, turn off the CEC 
Control feature. See “Turning CEC 
Control on or off” on page38.
ProblemSolution
I cannot select 
the Root Menu 
option on the 
CEC menu.
OR
The device’s 
root menu does 
not open when 
I select Root 
Menu on the 
CEC menu.• The device may not support this 
feature. See the documentation 
that came with the device for 
more information.
Note
If the problem is not solved by using these 
troubleshooting instructions, turn off your 
TV, then turn it on again.
ProblemSolution 
						

							71
LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
Specifications
Specifications are subject to change without notice.
Dimensions and weight
Screen
Display resolutions (both models)
Tu ne r  ( b o t h  m o d e l s )
Inputs (both models)Outputs (both models)
Audio (both models)
Power
Miscellaneous LC-32LB370U LC-50LB370U
Without stand28.6× 17.2 × 3 in. 
(72.7 × 43.7 × 7.7 cm)
10.7 lb. (4.9 kg)44.2× 25.9 × 3 in. 
(112.4 × 65.7 × 7.7 cm)
28.1 lb. (12.8 kg)
With stand28.6 × 18.3 × 7.2 in. 
(72.7 × 46.4 × 18.4 cm)
11.3 lb. (5.1 kg)44.2 × 27 × 7.2 in. 
(112.4 × 68.4 × 31 cm)
29.2 lb. (13.3 kg)
LC-32LB370U LC-50LB370U
Screen size measured 
diagonally31.5 in.  49.7 in. 
Display typeLED LED
Screen refresh rate60Hz 60Hz
Display resolution1080p 1080p
Panel resolution1920 (H) × 1080 (V) 1920 (H) × 1080 (V)
Aspect ratio16:9 16:9
Contrast ratio (typical)–panel
1,400:1 3,000:1
Dynamic contrast ratio– 
list value2,000,000:1 4,000,000:1
TV Brightness (minimum) cd/m
2160 nits 240 nits
Comb filter3d y/c digital 3d y/c digital
Response time8 ms 8 ms
Horizontal viewing angle178° 178°
Vertical viewing angle178° 178°
HDMI suggested resolutions1080p, 1080i, 720p, 480p, 480i
Component video suggested 
resolutions1080i, 720p, 480p, 480i
AnalogNTSC
DigitalAT S C ,  8 -V S B,  C l e a r - QA M
HDMI3 (side)
EDID and HDCP compliant
Component video1 (back)
Composite video1 (back)
Shared with component Y
Shared audio (component 
and composite)Ye s
PC/VGANo
3.5mm PC audio inputNo
USB1 (side)
Supports JPEG and firmware upgrade
Antenna/Cable1 (back)
VideoNo
Analog audio/Headphone1 (back)
Digital audio1 (optical) (back)
WiFiNo
EthernetNo
LC-32LB370U LC-50LB370U
DTS Tuning PackageDTS Sound DTS Sound
SpeakersNumber: 2
Watts per channel: 5WNumber: 2
Watts per channel: 8W
LC-32LB370U LC-50LB370U
Power consumptionOn: 47W
Standby: 
						

							72
 LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
Legal notices
FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is 
subject to the following two conditions: (1) this device may not cause 
harmful interference, and (2) this device must accept any interference 
received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits 
for a Class B digital device, pursuant to Part 15 of the FCC Rules. These 
limits are designed to provide reasonable protection against harmful 
interference in a residential installation. This equipment generates, 
uses and can radiate radio frequency energy and, if not installed and 
used in accordance with the instructions, may cause harmful 
interference to radio communications. However, there is no guarantee 
that interference will not occur in a particular installation. If this 
equipment does cause harmful interference to radio or television 
reception, which can be determined by turning the equipment off and 
on, the user is encouraged to try to correct the interference by one or 
more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from 
that to which the receiver is connected. 
• Consult the dealer or an experienced radio/TV technician for 
help.
Wa r n i n g
Changes or modifications not expressly approved by the party 
responsible for compliance could void the user's authority to operate 
the equipment. 
Cables
Connections to this device must be made with shielded cables with 
metallic RF/EMI connector hoods to maintain compliance with FCC 
Rules and Regulations.
Canadian Notice
CAN ICES-3 (B)/NMB-3(B)
Standard Television Receiving Apparatus – Appareil de réception 
télévision ordinaire, NORMES CANADIENNES BETS-7 / NTMR-7
IC Statement
This device complies with Industry Canada licence-exempt RSS 
standard(s).
Operation is subject to the following two conditions: (1) this device 
may not cause interference, and (2) this device must accept any 
interference, including interference that may cause undesired 
operation of the device.
This equipment complies with IC radiation exposure limits set forth for 
an uncontrolled environment. 
Dolby License Notice and Trademark Acknowledgement
Manufactured under license from Dolby 
Laboratories. Dolby and the double-D symbol are 
trademarks of Dolby Laboratories.
HDMI
The terms HDMI and HDMI High-Definition 
Multimedia Interface, and the HDMI Logo are 
trademarks or registered trademarks of HDMI 
Licensing LLC in the United States and other 
countries.
DTS Sound™
For DTS patents, see http://patents.dts.com. Manufactured 
under license from DTS Licensing Limited. DTS, the Symbol, & 
DTS and the Symbol together are resigtered trademarks and DTS 
Sound is a trademark of DTS, Inc. © DTS, Inc. All Rights Reserved.
Open Source
Font name: Arimo
Version 1.23
Copyright 2013 Steve Matteson
Licensed under the Apache License, Version 2.0 (the “License”); you 
may not use this file except in compliance with the License. You may 
obtain a copy of the License at 
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software 
distributed under the License is distributed on an “AS IS” BASIS, 
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 
or implied. See the License for the specific language governing 
permissions and limitations under the License.
If you require additional information please call the Insignia support 
line at 1-877-467-4289.  
						

							73
LC-32LB370U/LC-50LB370U Sharp 32"/50" LED TV
One-year limited 
warranty - Sharp 
Te l e v i s i o n s
Definitions:
Best Buy (“Warrantor”) warrants to you, the original purchaser of this new 
Sharp-branded television (“Product”), that the Product shall be free of defects 
in the or iginal manufac turer of the material or work manship for a period of one 
(1) year from the date of your purchase of the Product (“Warranty Period”). For 
this warranty to apply, your Product must be purchased in the United States or 
Canada from a Best Buy or Future Shop authorized dealer of Sharp brand 
products only that are packaged with this warranty statement.
How long does the coverage last? 
The Warranty Period lasts for 1 year (365 days) from the date you purchased the 
Product.  Your purchase date is printed on the receipt you received with the 
Product. 
What does this warranty cover? 
During the Warranty Period, if the original manufacture of the material or 
workmanship of the Product is determined to be defective by an authorized 
Warrantor repair center or store personnel, Warrantor will (at its sole option): (1) 
repair the Product with new or rebuilt parts; or (2) replace the Product at no 
charge with new or rebuilt comparable products or parts. Products and parts 
replaced under this warranty become the property of Warrantor and are not 
returned to you. If service of Products or parts are required after the Warranty 
Period expires, you must pay all labor and parts charges. This warranty lasts as 
long as you own your Sharp Product during the Warranty Period. Warranty 
coverage terminates if you sell or otherwise transfer the Product. 
How to obtain warranty service? 
If you purchased the Product at a Best Buy or Future Shop retail store location 
and your television Product has a screen size of less than 42 inches, please take 
your original receipt and the Product to any Best Buy store. Make sure that you 
place the Product in its original packaging or packaging that provides the same 
amount of protection as the original packaging. If you purchased the Product 
from a Best Buy or Future Shop online web site, mail your original receipt and 
the Product to the address listed on the web site. Make sure that you put the 
Product in its original packaging or packaging that provides the same amount 
of protection as the original packaging.
To obtain in-home warranty service for a television with a screen 42 inches or 
larger, in the United States call 1-888-BESTBUY, Canada call 1-866-BESTBUY for 
Future Shop call 1-800-663-2275. Call agents will diagnose and correct the 
issue over the phone or will have an Sharp-approved repair technician 
dispatched to your home.
Where is the warranty valid? 
This warranty is valid only in the United States and Canada at Best Buy branded 
retail stores or websites to the original purchaser of the product in the county 
where the original purchase was made.
What does the warranty not cover? 
This warranty does not cover: 
• Customer instruction/education 
•Installation 
• Set up adjustments 
• Cosmetic damage 
• Damage due to acts of God, such as power surges
•Accident(s) 
• Misuse, unintentional or intentional 
• Abuse, unintentional or intentional
• Negligence 
• Commercial purposes/use, including but not limited to use in a place of 
business or in communal areas of a multiple dwelling condominium or 
apartment complex, or otherwise used in a place of other than a private 
home.
• Modification of any part of the Product, including the antenna 
• Damage due to incorrect operation or maintenance 
• Connection to an incorrect voltage or power supply 
• Outages, static or other problems with over-the-air reception of the 
television broadcast signals.
• Attempted repair by any person not authorized by Warrantor to service 
the Product • Products sold “as is” or “with all faults” 
• Consumables, including but not limited to batteries (i.e. AA, AAA, C etc.)
• Products where the factory applied serial number has been altered or 
removed 
• Loss or Theft of this product or any part of the product
• Failures or Damage caused by any contact including but not limited to 
liquids, gels or pastes.
• Up to three (3) pixel failures (dots that are dark or incorrectly illuminated) 
grouped in an area smaller than one tenth (1/10) of the display size or up 
to five (5) pixel failures throughout the display. (Pixel based displays may 
contain a limited number of pixels that may not function normally.)
• Problems with delay in motion or action of video images while playing 
first-person style video games.
REPAIR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS YOUR 
EXCLUSIVE REMEDY FOR BREACH OF WARRANTY. WARRANTOR SHALL NOT BE 
LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR THE BREACH 
OF ANY EXPRESS OR IMPLIED WARRANTY ON THIS PRODUCT, INCLUDING, BUT 
NOT LIMITED TO, LOST DATA, LOSS OF USE OF YOUR PRODUCT, LOST BUSINESS 
OR LOST PROFITS. WARRANTOR MAKES NO OTHER EXPRESS WARRANTIES WITH 
RESPECT TO THE PRODUCT, ALL EXPRESS AND IMPLIED WARRANTIES FOR THE 
PRODUCT, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 
AND CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE, ARE LIMITED IN DURATION TO THE WARRANTY PERIOD SET FORTH 
ABOVE AND NO WARRANTIES, WHETHER EXPRESS OR IMPLIED, WILL APPLY 
AFTER THE WARRANTY PERIOD. SOME STATES, PROVINCES AND 
JURISDICTIONS DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED 
WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. THIS 
WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE 
OTHER RIGHTS, WHICH VARY FROM STATE TO STATE OR PROVINCE TO 
PROVINCE. 
Product information:
For the U.S., go to: http://www.sharpusa.com/manuals/hd.aspx
For Canada (English), go to:
http://www.sharp.ca/en-CA/CustomerSupport/Support/ProductDownloads.as
px
For Canada (French), go to:
http://www.sharp.ca/fr-CA/CustomerSupport/Support/ProductDownloads.asp
x
Product support (855) 544-2030
This product is manufactured for Best Buy China Ltd, as trustee for Best Buy 
China, and distributed and warranted by Best Buy Purchasing, LLC (7601 Penn 
Avenue South, Richfield, Minnesota, U.S.A. 55423-3645) under brand license by 
SHARP Corporation.
©2015 Best Buy China LTD. All rights reserved.
SHARP is a registered trademark of Sharp Corporation; used under license by 
SHARP Corporation . All other trademarks are property of their respective 
owners. 
						

							Product information:
For the U.S., go to:
http://www.sharpusa.com/manuals/hd.aspx
For Canada (English), go to:
http://www.sharp.ca/en-CA/CustomerSupport/Support/ProductDownloads.aspx
For Canada (French), go to:
http://www.sharp.ca/fr-CA/CustomerSupport/Support/ProductDownloads.aspx
Product support (855) 544-2030
This product is manufactured for Best Buy China Ltd, as trustee for Best Buy China, and distributed and 
warranted by Best Buy Purchasing, LLC
(7601 Penn Avenue South, Richfield, Minnesota, U.S.A. 55423-3645) under brand license by SHARP 
Corporation.
©2015 Best Buy China LTD. All rights reserved.
SHARP is a registered trademark of Sharp Corporation; used under license by SHARP Corporation. 
All other trademarks are property of their respective owners.V3 ENGLISH
14-1335