In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
OUTLINE
The above model is based on the LC-15S2U-S. Its desktop stand has been redesigned. This Service Manual
covers the modifications only. For other technical data, refer to the Service Manual for LC-15S2U-S (S83G7LC15S2U).
CONTENTS
» IMPORT ANT SER VICE SAFETY PRECAUTION.........................................................................................2
» REPLACEMENT P ARTS LIST....................................................................................................................10
» P ACKING OF THE SET..............................................................................................................................13
LC-15S1U-B
Page
SHARP CORPORATION
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
LC-15S1U-S
2
3
3
LC-15S1U-B
IMPORTANT SERVICE SAFETY PRECAUTION
Ë
Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow:
WARNING
1. For continued safety, no modification of any circuit
should be attempted.
2. Disconnect AC power before servicing.
CAUTION: FOR CONTINUED
PROTECTION AGAINST A RISK OF
FIRE REPLACE ONL Y WITH SA ME
TYPE F3701 (2.0A, 250V), F3301
A V
(1.25A, 250V), F6501 (1.25A, 250V)
AND F6502 (1.25A, 250V) FUSE.
BEFORE RETURNING THE RECEIVER
(Fire & Shock Hazard)
Before returning the receiver to the user, perform
the following safety checks:
1. Inspect all lead dress to make certain that leads are
not pinched, and check that hardware is not lodged
between the chassis and other metal parts in the
receiver.
2. Inspect all protective devices such as non-metallic
control knobs, insulation materials, cabinet backs,
adjustment and compartment covers or shields, isolation
resistor-capacitor networks, mechanical insulators, etc.
3. To be sure that no shock hazard exists, check for
leakage current in the following manner.
• Plug the AC cord directly into a 110~240 volt AC outlet,
and connect the DC power cable into the receiver's DC
jack. (Do not use an isolation transformer for this test).
• Using two clip leads, connect a 1.5k ohm, 10 watt
resistor paralleled by a 0.15µF capacitor in series with
all exposed metal cabinet parts and a known earth
ground, such as electrical conduit or electrical ground
connected to an earth ground.
• Use an AC voltmeter having with 5000 ohm per volt, or
higher, sensitivity or measure the AC voltage drop
across the resistor.
• Connect the resistor connection to all exposed metal
parts having a return to the chassis (antenna, metal
cabinet, screw heads, knobs and control shafts,
escutcheon, etc.) and measure the AC voltage drop
across the resistor.
All checks must be repeated with the AC cord plug
connection reversed. (If necessary, a nonpolarized
adaptor plug must be used only for the purpose of
completing these checks.)
Any reading of 0.75V peak (this corresponds to 0.5 mA.
peak AC.) or more is excessive and indicates a potential
shock hazard which must be corrected before returning
the monitor to the owner.
Many electrical and mechanical parts in LCD television
have special safety-related characteristics.
These characteristics are often not evident from visual
inspection, nor can protection afforded by them be
necessarily increased by using replacement components
rated for higher voltage, wattage, etc.
Replacement parts which have these special safety
characteristics are identified in this manual; electrical
and shaded areas in the
Schematic Diagrams
For continued protection, replacement parts must be
identical to those used in the original circuit.
The use of a substitute replacement parts which do not
have the same safety characteristics as the factory
recommended replacement parts shown in this service
manual, may create shock, fire or other hazards.
components having such features are identified by " å"
Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement
accoutumé à toute vérification de sécurité et aux conseils suivants.
AVERTISSEMENT
conduite électrique ou une prise de terre branchée à la
terre.
1. N'entreprendre aucune modification de tout circuit.
C'est dangereux.
2. Débrancher le récepteur avant toute réparation.
• Utiliser un voltmètre CA d'une sensibilité d'au moins
5000Ω/V pour mesurer la chute de tension en travers
de la résistance.
• Toucher avec la sonde d'essai les pièces métalliques
A V
PRECAUTION: POUR LA
PROTECTION CONTINUE
CONTRE LES RISQUES
D'INCENDIE, REMPLACER LE
FUSIBLE P AR UN FUSIBLE DE
MEME TYPE F3701 (2.0A, 250V),
F3301 (1.25A, 250V), F6501 (1.25A,
250V), F6502 (1.25A, 250V).
exposées qui présentent une voie de retour au châssis
(antenne, coffret métallique, tête des vis, arbres de
commande et des boutons, écusson, etc.) et mesurer
la chute de tension CA en-travers de la résistance.
T outes les vérifications doivent être refaites après avoir
inversé la fiche du cordon d'alimentation. (Si nécessaire,
une prise d'adpatation non polarisée peut être utilisée
dans le but de terminer ces vérifications.)
Tous les courants mesurés ne doivent pas dépasser
VERIFICA TIONS CONTRE L'INCEN-DIE ET
LE CHOC ELECTRIQUE
Avant de rendre le récepteur à l'utilisateur, effectuer
0.5 mA.
Dans le cas contraire, il y a une possibilité de choc
électrique qui doit être supprimée avant de rendre le
récepteur au client.
les vérifications suivantes.
1. Inspecter tous les faisceaux de câbles pour s'assurer
que les fils ne soient pas pincés ou qu'un outil ne soit
pas placé entre le châssis et les autres pièces
métalliques du récepteur.
2. Inspecter tous les dispositifs de protection comme les
boutons de commande non-métalliques, les isolants,
le dos du coffret, les couvercles ou blindages de réglage
et de compartiment, les réseaux de résistance-capacité,
les isolateurs mécaniques, etc.
3. S'assurer qu'il n'y ait pas de danger d'électrocution en
vérifiant la fuite de courant, de la facon suivante:
• Brancher le cordon d'alimentation directem-ent à une
prise de courant de 110-240V. (Ne pas utiliser de
transformateur d'isolation pour cet essai).
• A l'aide de deux fils à pinces, brancher une résistance
de 1.5kΩ 10 watts en parallèle avec un condensateur
de 0.15µF en série avec toutes les pièces métalliques
exposées du coffret et une terre connue comme une
De nombreuses pièces, électriques et mécaniques, dans
les téléviseurs présentent des caractéristiques spéciales
relatives à la sécurité, qui ne sont souvent pas évidentes
à vue. Le degré de protection ne peut pas être
nécessairement augmentée en utilisant des pièces de
remplacement étalonnées pour haute tension,
puissance, etc.
Les pièces de remplacement qui présentent ces
caractéristiques sont identifiées dans ce manuel; les
pièces électriques qui présentent ces particularités sont
identifiées par la marque " å " et hachurées dans la
liste des pièces de remplacement et les diagrammes
schématiques.
Pour assurer la protection, ces pièces doivent être
identiques à celles utilisées dans le circuit d'origine.
L'utilisation de pièces qui n'ont pas les mêmes
caractéristiques que les pièces recommandées par
l'usine, indiquées dans ce manuel, peut provoquer des
électrocutions, incendies, radiations X ou autres
accidents.
3
LC-15S1U-S
LC-15S1U-B
Precautions for using lead-free solder
1 Employing lead-free solder
"All PWBs" of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on
the PWBs and service manuals. The alphabetical character following LF shows the type of lead-free solder.
Example:
L Fa
Indicates lead-free solder of tin, silver and copper.
2 Using lead-free wire solder
When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional
lead wire solder may cause damage or accident due to cracks.
As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40°C, we recommend
you to use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit,
contact our service station or service branch in your area.
3 Soldering
As the melting point of lead-free solder (Sn-Ag-Cu) is about 220°C which is higher than the conventional lead
solder by 40°C, and as it has poor solder wettability, you may be apt to keep the soldering bit in contact with the
PWB for extended period of time. However, Since the land may be peeled off or the maximum heat-resistance
temperature of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering
condition.
Lead-free solder contains more tin, and the end of the soldering bit may be easily corroded. Make sure to turn on
and off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder . Clean the bit after
every use of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
Be careful when replacing parts with polarity indication on the PWB silk.
Lead-free wire solder for servicing
Part No,★DescriptionCode
ZHNDAi123250EJφ0.3mm250g(1roll)BL
ZHNDAi126500EJφ0.6mm500g(1roll)BK
ZHNDAi12801KEJφ1.0mm1kg(1roll)BM
4
SPECIFICATIONS
LC-15S1U-S
LC-15S1U-B
Items
LCD panel
Number of dots921,600 dots VGA
Video color systemsN358, N443, PAL, PAL-M, PAL-N, SECAM, PAL-60
AntennaF-Type
HeadphoneMini-jack for stereo (ø3.5 mm)
Model
LC-15S1U
15” Advanced Super View & BLACK TFT LCD
2
2.1 W x 2
3 x 7.5 cm, 2 pcs.
41 W (0.5 W Standby) AC 120 V (with AC adapter)
37 W: DC 12 V
9.3 lbs. (4.2 kg),w/o accessories
AC cord, Cable clamp, Operation manual
As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for
product improvement without prior notice. The performance specification figures indicated are nominal values of
production units. There may be some deviations from these values in individual units.
5
LC-15S1U-S
12°
35°
• TV/VIDEO, CH (
)/( ), VOL (–)/(+), and MENU on the main unit have the same functions as the same buttons
on the remote control. Basically, this operation manual provides a description based on operation with the remote
control.
DISPLAY AND CONTROL OVERVIEW
MAIN POWER
TV/VIDEO
MENU
CH (
)/( )
VOL (–)/(+)
Upper control panel
Speaker
Controls
* The examples used throughout this manual are based
on the LC-20S1U model.
HEADPHONE jack
Plug the headphone mini-plug into the HEADPHONE
jack located on the front of the TV set.
The screen can be
adjusted backwards to an
angle between 12
degrees and 35 degrees.
The screen cannot be set
up straight. When
changing the angle, make
sure to hold the stand and
adjust the screen to the
best viewable angle.
OPC sensor
Remote control sensor
OPC indicator (Optical Picture Control)
The Optical Picture Control indicator lights up green
when the BRIGHTNESS is set to AUTO.
POWER indicator
A green indicator lights when the power is on and a red
indicator lights when in the standby mode (the indicator
will not light when the main power is off).
Adjustable
range
S-VIDEO
(INPUT ONLY)
P
R
AUDIO (L)
P
B
VIDEO
AUDIO (R)
AUDIO (L)
COMPONENT
AUDIO (L)
AUDIO (R)
VIDEO
Y
AV-IN1
Carrying handle
Terminals
AUDIO (R)
S-VIDEO
ANT. (Antenna terminal)
POWER INPUT
(DC12V)
AV-IN2AV-OUT
Stand
* Be careful to prevent the
product from falling over
when adjusting the angle.
Also place the product on
a stable base.
» The screen can be
adjusted backwards to
an angle between 12
and 35 degrees.
When changing the
angle, make sure to hold
the stand and adjust to
the best viewable angle.
Round lock for Kensington
Security Standard Slot.
LC-15S1U-B
OPERATION MANUAL
6
CHVOL
POWER
ENTER
BRIGHT
MUTE
SLEEPPIC. FLIP
AUDIO
ONLY
CC
TV/VIDEO
FLASH-
BACK
DISPLAYMENU
REMOTE CONTROL
1 POWER
Switch the Liquid Crystal Television power
on or off.
2 SLEEP
Set the sleep timer.
3 ENTER
Execute a command.
4 DISPLAY
Display the channel and time information.
5 AUDIO ONLY
Output audio without screen image.
6 MUTE
Mute the sound.
7 VOL (+)/(–)
Set the volume.
8 CH (
)/(
)
Select channel.
9 MTS
Select audio settings.
10 BRIGHT
Adjust the brightness of the screen.
11 PIC. FLIP
Set the orientation of the picture.
12
'/"/\/|
(Cursor control)
Select a desired item on the screen.
13 MENU
Display the menu screen.
14 CC
Display Closed Caption subtitles.
15 TV/VIDEO
Select a Liquid Crystal Television input
source.
16 FLASHBACK
Return to the previous channel.
17 Channel Select
Set the channel.
1
10
2
3
5
6
7
8
9
11
12
14
15
16
17
4
13
PREPARATION
Batteries for the Remote Control
Before using the LCD TV set for the first time, install two (“AAA” size) batteries (supplied). When the
batteries become depleted and the remote control fails to operate, replace the batteries with new
(“AAA” size) batteries.
1
Open the battery
cover.
2
Insert two (“AAA” size)
batteries.
3
Close the battery
cover.
Ë
Slide the cover while
pressing the ( ) part.
Ë Position the positive and
negative ends of the batteries
as indicated in the compart-
ment.
+
–
+
–
Ë Engage the claw on the
cover into the battery
housing and slide shut.
LC-15S1U-S
LC-15S1U-B
7
LC-15S1U-S
CONNECTING EXTERNAL DEVICES
You can enjoy picture and sound by connecting a VCR or a home video game system to the terminals
located on the rear of the TV set.
When connecting an external device, turn off the power of the main unit first to prevent any possible
damage.
<Example>
• Camcorder
• Home video game system
To AV-IN2 terminal
• PC connection is not possible.
• For the cable, use a commercially available audio/video cable.
• Only connect audio/video signals to AV-IN1 and 2 terminals. Connecting other signals may result in a malfunction.
• AV-IN1 has 2 video input terminals: VIDEO and S-VIDEO. When you connect external devices to both terminals
(and if you select AV-IN1), you can only view pictures from the S-VIDEO terminal. To view the picture from the
VIDEO terminal, do not connect any external device to the S-VIDEO terminal.
• For more information about external device connections, see the manuals of your external devices.
• If HDTV (720P/1080I) signals are input to the COMPONENT terminals, “NOT COMPATIBLE WITH THIS SIGNAL”
will appear and playback cannot be viewed.
Example of external devices that can be connected
To AV-IN1 terminal
* If your external device has a component
terminal, COMPONENT connection is recom-
mended (you can view high-quality pictures).
<Example>
• DVDPlayer, etc.
Playback from 480 progressive output
for DVD and DTV is available.
<Example>
• VCR
• Laser disc player
* If your external device has an S-video
terminal, S-VIDEO connection is recom-
mended.
To COMPONENT terminal
Connecting a VCR, DVD player or a video camera (AV-IN1/2/COMPONENT)
• If your VCR (or other external devices) has an S-video terminal, S-VIDEO connection is recommended. (Use an
S-video cable.)
• When you connect external devices to both S-VIDEO and VIDEO terminals (and if you select AV-IN1), you can
only view pictures from the S-VIDEO terminal.
• You cannot view multiple or synthesized pictures by connecting two or more external devices. When connecting
an external device, use care to connect the video and audio cables to the corresponding terminals.
Replacement parts which have these special safety characteristics identified in this manual ; electrical components having such features are
identified by å and shaded areas in the Replacement Parts Lists and
Schematic Diagrams. The use of a substitute replacement part which
does no have the same safety characteristic as the factory recommended
replacement parts shown in this service manual may create shock, fire
or other hazards.
"HOW TO ORDER REPLACEMENT P ARTS"
To have your order filled promptly and correctly, please furnish the following informations.
1. MODEL NUMBER2. REF. NO.
3. PAR T NO.4. DESCRIPTION
in USA:Contact your nearest SHARP Parts Distributor to order . For
2CCABBA266WJ06 X Cabinet B Ass’yBC
2-1
2-2GLEGGA027WJSA J Rubber Leg, x2AF
2-3JBTN-A182WJKAJ Operation ButtonAK
2-4JBTN-A185WJKAJ Power ButtonAF
2-5LANGF2155CEFW J Round LockAD
2-6LANGTA079WJFW J Reinforcement AngleAM
2-7MSPRCA014WJFW J Power Button SpringAB
2-8PMLT-A090WJZZJ Light Shielding Spacer, x1 AD
2-9PMLT-A091WJZZJ Light Shielding Spacer, x2 AC
2-10XEBSN30P08000J Screw, x3AA
2-11GCOV AA501WJKA J Terminal CoverAK
2-12TLABZA480WJZZX Material Label
Not Available
Not Available
Not Available
– Cabinet A Ass’y Unit—
(LC-15S1U-S)
(LC-15S1U-B)
– Cabinet A—
– Cabinet B—
Les pi`eces de rechange qui pr élelesentent ces caract éleristiques sp
éleciales de s élecurit éle, sont identifi élees dans ce manuel : les pi`eces
élelectriques qui pr élesentent ces particularit éles, sont rep éler élee
par la marque å et sont hachur élees dans les listes de pi`eces et dans
les diagrammes sch élematiques.
La substitution d'une pi`ece de rechange par une autre qui ne pr éLesente
pas les m éoemes caract éLeristiques de s élecurit éle que la pi`ece
recommand élee parl'usine et dans ce manuel de service, peut provoquer
une éLelectrocution, un incendie ou toutautre sinistre.
"COMMENT COMMANDER LES PIECES DE RECHANGE"
Pour que votre commande soit rapidement et correctement remplie,
veuillez fournir les renseignements suivants.
1. NUMERO DU MODELE2. NO. DE REF
3. NO. DE PIECE4. DESCRIPTION
in CANADA:Contact SHARP Electronics of Canada Limited
★ MARQUE: SECTION LIVRAISON DES PIECES DERECHANGE
3CDAi-A088WJ01J Stand Ass’yBB
3-1CDAi-A088WJ02J Stand Base Ass’yAZ
3-1-1
3-1-2GLEGGA029WJSA J Rubber Leg, x1AF
3-1-3PSPAZA083WJZZJ Spacer, x2AB
3-2JHNDPA004WJSA J Stand HandleAT
3-3XESSN40P10000J Screw, x8AB
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted in
any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without
prior written permission of the publisher.
TQ1744-S
Apr. 2004 Printed in Japan
Design and Production Information
Design: Japan
Production : SEMEX
MI. KG
SHARP CORPORATION
AV Systems Group
Quality & Reliability Control Center
Y aita, Tochigi 329-2193, Japan
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