LG 20LH1DC1 User manual

20LH1DCl
Please read this manual carefully before operating
your set.
Retain it for future reference.
Record model number and serial number of the set.
See the label attached on the back cover and quote
this information to your dealer when you require
service.

NG/
This reminder is provided to call the CATV system
installer's attention to Article 820-40 of the National
Electric Code (U.S.A.). The code provides guidelines for
proper grounding and, in particular_ specifies that the
cable ground shall be connected to the grounding
system of the building, as close to the point of the
cable entry as practical.
IT IS FORBIDDEN TO CONNECT THIS TV
TO ANY TELECOMMUNICATION
NETWORK /TELEPHONE.
This equipment has been tested and found to
comply with the limits for a Class B digital device,
pursuant to Part ]5 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference when the
equipment is operated in a residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instruction manual, 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.
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user's authority to operate the equipment.
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Do not attempt to modify this product in any way
without written authorization from LG Electronics
Corporation.
Unauthorized modification could void the user's
authority to operate this product.
Apparatus shall not be exposed to dripping or
splashing and no objects filled with liquids, such as
vases, shall not be placed on the apparatus.
THESE SERVICING INSTRUCTIONS ARE FOR USE BY
QUALIFIED SERVICE PERSONNEL ONLY. TO REDUCE
THE RISK OF ELECTRIC SHOCK, DO NOT PERFORM
ANY SERVICING OTHER THAN THAT CONTAINED
IN THE OPERATING INSTRUCTIONS UNLESS YOU
ARE QUALIFIED TO DO SO.
1. Do not put this product next to the patient's bed
where it can be reached by the patient.
2. Install product in such a way that patients will not
be able to touch this product.
3. This product should only be mounted on a wall.
When used outside of the U.S., it may be used HAR
cord with fitting of an approved agency is employed.
(When used outside of U.S., other power supply cords
may be used if the cord is approved by the local
regulating agency.)
Clean the exterior of this television by removing dust
with a lint-free cloth.
CAUTION: To avoid damage to the surface of the
television, do not use abrasive or chemical cleaning
agents.
Main plug is the disconnecting device. The plug must
remain readily operable.
YOUR PRODUCT HAS BEEN MANUFACTURED AND TESTED WITH YOUR SAFETY IN MIND. HOWEVER,
IMPROPER USE CAN RESULT IN POTENTIAL ELECTRICAL SHOCK OR FIRE HAZARDS. TO AVOID DEFEATING
THE SAFEGUARDS THAT HAVE BEEN BUILT INTO YOUR NEW PRODUCT, PLEASE READ AND OBSERVE THE
FOLLOWING SAFETY POINTS WHEN INSTALLING AND USING YOUR NEW PRODUCT, AND SAVE THEM FOR
FUTURE REFERENCE. OBSERVING THE SIMPLE PRECAUTIONS DISCUSSED IN THIS MANUAL CAN HELP YOU
GET MANY YEARS OF ENJOYMENT AND SAFE OPERATION THAT ARE BUILT INTO YOUR NEW PRODUCT.
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SAFETY [NST S
IMPORTANT SAFETYINSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
Z Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or
the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
PORTABLE CART WARNING
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in
any way, such as power-supply cord or plug is damaged, liquid has been spilled or object have fallen into the
apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
4
Outdoor Antenna Grounding
If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded
so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National
Electrical Code (U.S.A.), ANSI/NFPA 70 provides information with regard to proper grounding of the mast and
supporting structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors,
location of antenna-discharge unit, connection to grounding electrodes, and requirements for the grounding
electrode.
Example of Grounding According to National Electrical Code Instructions
Ground Clamp _--"_k Antenna Lead in Wire
Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductor
(NEC Section 810-21 )
Ground Clamps
Power Service Grounding
_11_ I_t_ Electrode System (NEC
Art 250, Part H)
NEC - National Electrical Code

CONTENTS
WARNING /CAUTION ........................... 2
SAFETY INSTRUCTIONS ........................ 4
CONTENTS ............................................ S
Accessories ................................................. 6
Front Panel Information ............................... 7
Back Panel Information ................................ 8
VESA Wall Mounting .................................... 9
Antenna or Cable Connection ...................... 10
HD Receiver Setup ...................................... 11
DVD Setup ............................................... 13
VCR Setup ................................................ 14
PC Setup ................................................. 16
Pillow Speaker Setup .................................. 18
User Remote Control Button Functions .......... 19
Installer Remote Control Button Functions ..... 20
On-Screen Menus Selection .......................... 21
Channel Search .......................................... 22
Clock Setting ........................................... 26
Daylight Saving ................................... 28
Time Zone Settings .............................. 28
TV Activation Time Settings .................. 29
TV Deactivation Time Settings ............... 29
Auto Off ............................................ 30
Set Password &Lock System ....................... 31
Movie &TV Ratings .................................. 33
Caption /Text .......................................... 37
Preset Sound Settings .......................... 39
Sound Setting Adjustment-user Mode ...... 39
Sound Balance Setup ............................ 40
Automatic Volume Control Settings ........ 40
Analog Audio Settings .......................... 41
Digital Audio Language ....................... 41
Using External Speakers ........................ 42
Menu Language ................................... 42
Menu Transparency Settings ................... 43
Set ID .............................................. 43
Preset Picture Settings .............................. 44
Screen Format Adjustments .................. 4S
Noise Reduction ................................ 46
Film Mode Options ............................ 46
Managing the Channel Banks ....................... 47
Installer Overview ..................................... SO
Commercial Mode Setup ............................ 51
Cloning Connections/Learning Setup ............ 52
Clone Programmer/Learning Setup .............. 53
Cloning Connections/Teaching Setup ............ 54
Installer Menu .......................................... $6
Peference ................................................ 61
Troubleshooting ....................................... 66
Clone Troubleshooting Flow Chart .............. 70
TV Operating Check .................................. 71
Glossary of Terms ..................................... 72
Installer Quick Setup Guide ......................... 73 5