Sharp AQUOS LC-42D64U User manual

SERVICE MANUAL
Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY
PRECAUTION............................................................ i
PRECAUTIONS A PRENDRE LORS DE LA
REPARATION ........................................................... ii
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ...................................................................iii
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS .................................................1-1
CHAPTER 2. OPERATION MANUAL
[1] OPERATION MANUAL ..........................................2-1
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS (LC-42D64U) ..................................3-1
[2] DIMENSIONS (LC-46D64U) ..................................3-2
[3] DIMENSIONS (LC-52D64U) ..................................3-3
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS
(LC-42D64U)..........................................................4-1
[2] REMOVING OF MAJOR PARTS
(LC-46/52D64U).....................................................4-7
CHAPTER 5. ADJUSTMENT
[1] ADJUSTMENT PROCEDURE ...............................5-1
CHAPTER 6. TROUBLE SHOOTING TABLE
[1] TROUBLE SHOOTING TABLE..............................6-1
CHAPTER 7. MAJOR IC INFORMATIONS
[1] MAJOR IC INFORMATIONS..................................7-1
CHAPTER 8. OVERALL WIRING/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM
(LC-42D64U)..........................................................8-1
[2] OVERALL WIRING DIAGRAM
(LC-46/52D64U).....................................................8-3
[3] SYSTEM BLOCK DIAGRAM .................................8-5
CHAPTER 9. PRINTED WIRING BOARD ASSEMBLIES
[1] MAIN Unit...............................................................9-1
[2] TERMINAL Unit......................................................9-9
[3] SIDE Unit ............................................................. 9-11
[4] R/C, LED Unit.......................................................9-13
[5] KEY Unit...............................................................9-14
CHAPTER 10. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIAGRAM .......10-1
[2] R/C, LED Unit.......................................................10-2
[3] MAIN Unit.............................................................10-3
[4] TERMINAL Unit..................................................10-37
[5] SIDE Unit ...........................................................10-43
[6] KEY Unit.............................................................10-47
Parts Guide
TopPage
CONTENTS
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.
LCD COLOR TELEVISION
No. S77L2LC42D64U
LC-42D64U
LC-46D64U
LC-52D64U
MODELS
LC-42/46/52D64U

LC-42/46/52D64U
i
LC-42/46/52D64U Service Manual
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRECAUTION
WARNING
1. For continued safety, no modification of any circuit should be
attempted.
2. Disconnect AC power before servicing.
BEFORE RETURNING THE RECEIVER (Fire &
Shock Hazard)
Before returning the receiver to the user, perform the following
safety checks:
3. 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.
4. 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.
5. 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 50/60Hz AC outlet.
• Using two clip leads, connect a 1.5k ohm, 10 watt resistor paral-
leled by a 0.15µF capacitor in series with all exposed metal cabinet
parts and a known earth ground, such as electrical conduit or elec-
trical ground connected to an earth ground.
• Use an AC voltmeter having with 5000 ohm per volt, or higher, sen-
sitivity 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 0.75 Vrms (this corresponds to 0.5 mA rms AC.) or
more is excessive and indicates a potential shock hazard which
must be corrected before returning the monitor to the owner.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
SAFETY NOTICE
Many electrical and mechanical parts in LCD color 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 components having such features
are identified by " " and shaded areas in the Replacement Parts List
and 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.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the
servicing guidelines which follow:
CAUTION: FO R CO NT IN UE D PROTECTION
AGAINST A RISK OF FIRE REPLACE ONLY WITH
SAME TYPE FUSE.
F7000 (250V 6.3A)
DVM
AC SCALE
1.5k ohm
10W
TO EXPOSED
METAL PARTS
CONNECT TO
KNOWN EARTH
GROUND
0.15 µ F
TEST PROBE

LC-42/46/52D64U
ii
PRECAUTIONS A PRENDRE LORS DE LA REPARATION
De nombreuses pièces, électriques et mécaniques, dans les télévi-
seur ACL présentent des caractéristiques spéciales relatives à la sé-
curité, qui ne sont souvent pas évidentes à vue. Le degré de protec-
tion 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 " " 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, incen-
dies, radiations X ou autres accidents.
AVERTISSEMENT
1.
2.
3.
4.
5.
•
•
•
•
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux
conseils suivants.
N'entreprendre aucune modification de tout circuit. C'est danger-
eux.
Débrancher le récepteur avant toute réparation.
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 châs-
sis et les autres pièces métalliques du récepteur.
Inspecter tous les dispositifs de protection comme les boutons de
commande non-métalliques, les isolants, le dos du coffret, les cou-
vercles ou blindages de réglage et de compartiment, les réseaux
de résistancecapacité, les isolateurs mécaniques, etc.
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 cou-
rant de 110-240V 50/60Hz. (Ne pas utiliser de transformateur
d'isolation pour cet essai).
A l'aide de deux fils à pinces, brancher une résistance de 1.5 kΩ
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 conduite électrique ou une prise de terre
branchée à la terre.
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 exposées qui
présentent une voie de retour au châssis (antenne, coffret métalli-
que, tête des vis, arbres de commande et des boutons, écusson,
etc.) et mesurer la chute de tension CA en-travers de la résistance.
Toutes 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 termin-
er ces vérifications.)
La tension de pointe mesurèe ne doit pas dépasser 0.75V (corre-
spondante au courant CA de pointe de 0.5mA).
Dans le cas contraire, il y a une possibilité de choc électrique qui
doit être supprimée avant de rendre le récepteur au client.
PRECAUTION: POUR LA PROTECTION CON-
TINUE CONTRE LES RISQUES D'INCENDIE,
REMPLACER LE FUSIBLE
F7000 (250V 6.3A)
VERIFICATIONS CONTRE L'INCEN-DIE ET LE
CHOC ELECTRIQUE
Avant de rendre le récepteur à l'utilisateur, effectuer les vérifica-
tions suivantes.
DVM
ECHELLE CA
1.5k ohm
10W
0.15
µ F
SONDE D'ESSAI
AUX PIECES
METALLIQUES
EXPOSEES
BRANCHER A UNE
TERRE CONNUE
AVIS POUR LA SECURITE

LC-42/46/52D64U
iii
PRECAUTIONS FOR USING LEAD-FREE SOLDER
Employing lead-free solder
• “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:
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 dam-
age 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.
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
Indicates lead-free solder of tin, silver and copper. Indicates lead-free solder of tin, silver and copper.
PARTS CODE PRICE
RANK
PART
DELIVERY DESCRIPTION
ZHNDAi123250E BL J φ0.3mm 250g (1roll)
ZHNDAi126500E BK J φ0.6mm 500g (1roll)
ZHNDAi12801KE BM J φ1.0mm 1kg (1roll)

LC-42/46/52D64U
1 – 1
LC-42/46/52D64U Service Manual
CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS
Item Model: LC-42D64U Model: LC-46D64U Model: LC-52D64U
LCD panel
42" Advanced Super View
& BLACK TFT LCD
(Screen size 42 " " "
1/64
measured diagonally)
46" Advanced Super View
& BLACK TFT LCD
(Screen size 45 63/64
measured diagonally)
52" Advanced Super View
& BLACK TFT LCD
(Screen size 52 1/32
measured diagonally)
Number of dots 6,220,800 dots (1920 1080 3 dots)
TV
Function
TV-standard (CCIR) American TV Standard ATSC/NTSC System
Receiving
Channel
VHF/UHF VHF 2-13ch, UHF 14-69ch
CATV 1-135ch (non-scrambled channel only)
Digital Terrestrial
Broadcast (8VSB)
2-69ch
Digital cable
*1
(64/256 QAM)
1-135ch (non-scrambled channel only)
Audio multiplex BTSC System
Audio out 15W 2
Terminals
Rear
INPUT 1 AV in, COMPONENT in
INPUT 2 AV in, S-VIDEO in
INPUT 5 HDMI in with HDCP
INPUT 6 Audio in, HDMI in with HDCP
INPUT 7 15-pin mini D-sub female connector, Audio in (Ø 3.5 mm jack)
ANTENNA 75 Unbalance, F Type 1 for Analog (VHF/UHF/CATV) and Digital (AIR/CABLE)
DIGITAL AUDIO OUTPUT Optical Digital audio output 1 (PCM/Dolby Digital)
OUTPUT Audio out
RS-232C 9-pin D-sub male connector
Side
INPUT 3 AV in, COMPONENT in
INPUT 4 HDMI in with HDCP
USB Software update
OSD language English/French/Spanish
Power Requirement AC 120 V, 60 Hz (FOR NORTH AMERICA)
AC 110-240 V, 50/60 Hz (FOR OTHERS)
Power Consumption 215 W (0.6 W Standby
with AC 120V)
256 W (0.6 W Standby
with AC 120V)
290 W (0.6 W Standby
with AC 120V)
Weight TV + stand 60.6 lbs./27.5 kg 66.1 lbs./30.0 kg 74.9 lbs./34.0 kg
TV only 48.5 lbs./22.0 kg 54.0 lbs./24.5 kg 62.8 lbs./28.5 kg
Dimension
*2
(W H D)
(in inches)
TV + stand 39
17
/
32
27
7
/
8
12
13
/
16
43
23
/
64
29
59
/
64
12
13
/
16
48
45
/
64
32
59
/
64
12
13
/
16
TV only 39
17
/
32
25
7
/
16
3
3
/
4
43
23
/
64
27
31
/
64
3
3
/
4
48
45
/
64
30
31
/
64
3
3
/
4
Operating temperature 32°F to 104°F (0°C to 40°C)
*1 Emergency alert messages via Cable are unreceivable.
*2 The dimensional drawings are shown on the inside back cover.
As 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.





    



++ +

LC-42/46/52D64U
2 – 1
LC-42/46/52D64U Service Manual
CHAPTER 2. OPERATION MANUAL
[1] OPERATION MANUAL
Part names
TV (Front)
OPC indicator
POWER indicator
OPC sensor
Remote control sensor
SLEEP indicator
TV (Rear/Side)
INPUT 3
terminals
RS-232C
terminal
DIGITAL AUDIO
OUTPUT terminal
HDMI terminals
(INPUT 6)
INPUT 7 terminals
(PC-IN)
HDMI terminal
(INPUT 5)
Antenna/Cable in INPUT 1 terminals
AC INPUT terminal
INPUT 2 terminals
AUDIO OUTPUT
terminals
POWER button
MENU button
INPUT button
Channel buttons
(CH /)
Volume buttons
(VOL /)
HDMI terminal
(INPUT 4)
USB terminal

LC-42/46/52D64U
2 – 2
3
2
116
5
6
4
8
19
17
18
20
21
7
22
10
9
23
11
13
12
25
26
27
14
15 29
24
28
Part names
1 TV POWER: Switch the TV power on or enters standby.
2 DISPLAY: Display the channel information.
3 SOURCE POWER: Turns the power of the external equipment
on and off.
4 External equipment operational buttons: Operate the external
equipment.
50
_9: Set the channel.
6 (DOT):
7INPUT:
Select a TV input source. (TV, INPUT 1, INPUT 2, INPUT 3,
INPUT 4, INPUT 5, INPUT 6, INPUT 7)
8VOL/:Set the volume.
9 SURROUND: Select Surround settings.
10 FREEZE: Set the still image. Press again to return to normal
screen.
11 EXIT: Turn off the menu screen.
12 OPTION: Display the AQUOS LINK MENU screen. This button
will function only when AQUOS LINK is used.
13 REC STOP: Stops one touch recording. This button will function
only when AQUOS LINK is used.
14 SLEEP: Set the sleep timer.
15 AUDIO: Selects the MTS/SAP or the audio mode during multi-
channel audio broadcasts.
16 FUNCTION: Switches the remote control for TV, CBL/SAT, VCR,
DVD and AUDIO operation. Indicator lights up for the current
mode.
*Toenterthecoderegistrationmode,youneedtopress
FUNCTION and DISPLAY at the same time.
17 LIGHT : When pressed all buttons on the remote control unit
will light. The lighting will turn off if no operations are performed
within about 5 seconds. This button is used for performing
operations in low-light situations.
18 VIEW MODE: Select the screen size.
19 ENT: Jumps to a channel after selecting with the 0_9buttons.
20 FLASHBACK:Return to the previous channel or external input
mode.
21 CH / : Select the channel.
22 MUTE: Mute the sound.
23 MENU: Display the menu screen.
24 ////ENTER: Select a desired item on the screen.
25 RETURN: Return to the previous menu screen.
26 FAVORITE CH
A, B, C, D: Select 4 preset favorite channels in 4 different
categories.
While watching, you can toggle the selected channels by pressing
A, B, C and D.
27 FAVORITE: Set the favorite channels.
28 CC: Display captions from a closed-caption source.
29 AV MODE: Select an audio or video setting.
(When the input source is TV, INPUT 1, 2 or 3: STANDARD,
MOVIE, GAME, USER, DYNAMIC (Fixed), DYNAMIC. When the
input source is INPUT 4, 5, 6 or 7: STANDARD, MOVIE, GAME,
PC, USER, DYNAMIC (Fixed), DYNAMIC)
Remote control unit
NOTE
When using the remote control unit, point it at the TV.

LC-42/46/52D64U
2 – 3
Vertical mounting Angular mounting
0
/
5
/
1
0
/
1
5
/
2
0
°
Removing the stand
Before detaching (or attaching) the stand, unplug the AC cord from the AC INPUT terminal.
CAUTION
Do not remove the stand from the TV unless using an optional wall mount bracket to mount it.
Before attaching/detaching the stand
Before performing work make sure to turn off the TV.
Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being
damaged.
Setting the TV on the wall
CAUTION
This TV should be mounted on the wall only with the AN-52AG4 (SHARP) wall mount bracket. The use of other wall
mount brackets may result in an unstable installation and may cause serious injuries.
Installing the TV requires special skill that should only be performed by qualified service personnel. Customers
should not attempt to do the work themselves. SHARP bears no responsibility for improper mounting or mounting
that results in accident or injury.
Using an optional bracket to mount the TV
You can ask a qualified service professional about using an optional AN-52AG4 bracket to mount the TV to the wall.
Carefully read the instructions that come with the bracket before beginning work.
Hanging on the wall
AN-52AG4 wall mount bracket.
Unfasten the four screws used to secure the stand in
place.
Detach the stand from the TV. (Hold the stand so it
will not drop from the edge of the base area.)
Appendix
NOTE
To attach the stand, perform the above steps in reverse order.
12
NOTE
Detach the cable clamp on the rear of the TV when using the optional mount bracket.
To use this TV mounted on a wall, first remove the adhesive tape at the 4 locations on the rear of the TV, and then use the
screws supplied with the wall mount bracket to secure the bracket to the rear of the TV.
About setting the TV angle
Hex key

LC-42/46/52D64U
2 – 4
Troubleshooting
Possible Solution
Is the volume too low?
Is "Variable" selected in "Output Select"?
Have you pressed MUTE on the remote control unit?
Cautions regarding use in high and low temperature environments
Appendix
Problem
No power
Unit cannot be operated.
Remote control unit does not
operate.
Picture is cut off/with sidebar
screen.
Strange color, light color, or color
misalignment
Power is suddenly turned off.
No picture
No sound
Check if you pressed TV POWER on the remote control unit.
If the indicator on the TV does not light up, press POWER on the TV.
Is the AC cord disconnected?
Has the power been turned on?
External in-influences such as lightning, static electricity, may cause improper operation.
In this case, operate the unit after first turning on the power of the TV or unplugging
the AC cord and replugging it in after 1 or 2 minutes.
Is the FUNCTION set correctly? Set it to the TV setting position.
Are batteries inserted with polarity ( , ) aligned?
Are batteries worn out? (Replace with new batteries.)
Are you using it under strong or fluorescent lighting? -
Is a fluorescent light illuminated near the remote control sensor?
Is the image position correct?
Are screen mode adjustments such as picture size made correctly?
Adjust the picture tone.
Is the room too bright? The picture may look dark in a room that is too bright.
Check the input signal setting.
Is the sleep timer set?
Check the power control settings.
The unit's internal temperature has increased. Remove any objects blocking vent or
clean.
Is connection to other components correct?
Is correct input signal source selected after connection?
Is the correct input selected?
Is picture adjustment correct?
Is "On" selected in "Audio Only"?
Is a non-compatible signal being input?
When the unit is used in a low temperature space (e.g. room, office), the picture may leave trails or appear slightly delayed.
This is not a malfunction, and the unit will recover when the temperature returns to normal.
Do not leave the unit in a hot or cold location. Also, do not leave the unit in a location exposed to direct sunlight or near a
heater, as this may cause the cabinet to deform and the Liquid Crystal panel to malfunction.
Storage temperature: 4°F to 140°F ( 20°C to 60°C)
Troubleshooting-Digital broadcasting
The error message about reception of broadcast
Failed to receive broadcast.
E203 Check the broadcast time in the program guide.
The example of an error message
displayed on a screen
No broadcast now.
Error code
E202
Possible Solution
Check the antenna cable. Check that the antenna is correctly
setup.
This is not a malfunction. This happens when the cabinet slightly expands and
contracts according to change in temperature. This does not affect the TV's
performance.
The TV sometimes makes a
cracking sound.
++
__

LC-42/46/52D64U
2 – 5
PC
31.5 kHz
31.5 kHz
37.9 kHz
37.5 kHz
35.1 kHz
37.9 kHz
48.1 kHz
46.9 kHz
48.4 kHz
56.5 kHz
60.0 kHz
47.7 kHz
640 x 480
720 x 400
VGA
800 x 600SVGA
XGA 1024 x 768
WXGA 1360 x 768
70 Hz
60 Hz
72 Hz
75 Hz
56 Hz
60 Hz
72 Hz
75 Hz
60 Hz
70 Hz
75 Hz
60 Hz
O
O
O
O
O
O
O
O
O
O
O
64.0 kHzSXGA 1280 x 1024 60 Hz O
64.0 kHzSXGA+ 1400 x 1050 60 Hz O
75.0 kHzUXGA 1600 x 1200 60 Hz O
Preparation
PC compatibility chart
It is necessary to set the PC correctly to display XGA and WXGA signal.
DDC is a registered trademark of Video Electronics Standards Association.
Power Management is a registered trademark of Sun Microsystems, Inc.
VGA and XGA are registered trademarks of International Business Machines Corp.
PC Horizontal Frequency VESA StandardResolution Vertical Frequency

LC-42/46/52D64U
2 – 6
Picture Picture
Basic adjustment settings
Menu items for TV/INPUT 1/2/3 Menu items for HDMI/PC-IN
Audio
Treble
Bass
Balance
Surround
Bass Enhancer
Reset
NOTE
Some menu items may not be displayed depending on the
selected input source.
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
C.M.S.-Hue
C.M.S.-Saturation
Color Temp.
Active Contrast
Fine Motion
I/P Setting
Film Mode
3D-Y/C
Monochrome
Range of OPC
Reset
Audio
Treble
Bass
Balance
Surround
Bass Enhancer
Reset
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
C.M.S.-Hue
C.M.S.-Saturation
Color Temp.
Active Contrast
Fine Motion
I/P Setting
Film Mode
Monochrome
Range of OPC
Reset
Power Contr ol
No Signal Off
No Operation Off
Power Contr ol
No Signal Off
No Operation Off
Setup
EZ Setup
CH Setup
Antenna Setup-DIGITAL
Input Skip
Input Label
Parental CTRL
Position
Language
Reset
Setup
Input Skip
Input Signal
Auto Sync.
Input Label
Fine Sync.
Position
Language
Reset
Option
AQUOS LINK Setup
Audio Only
Digital Noise Reduction
HDMI Setup
Output Select
Game Play Time
Operation Lock Out
Option
AQUOS LINK Setup
Audio Only
Digital Noise Reduction
Input Select
Output Select
Color System
Caption Setup
Digital Caption Info. .
Program Title Display
Favorite CH
Game Play Time
Operation Lock Out
Digital Setup
Audio Setup
Identification
Software Update
Digital Setup
Software Update

LC-42/46/52D64U
3 – 1
LC-42/46/52D64U Service Manual
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS (LC-42D64U)
Unit: inch (mm)
LC-42D64U
36
3
/
4
(933.2)
20
47
/
64
(526.2)
27
7
/
8
(708)
25
7
/
16
(646)
39
17
/
32
(1004)
15
7
/
64
(409)
2
29
/
64
(62)
7
7
/
8
(200)
15
3
/
4
(400)
15
3
/
4
(400)
21
21
/
32
(550)
12
13
/
16
(325)
4
59
/
64
(125)
3
3
/
4
(95)

LC-42/46/52D64U
3 – 2
[2] DIMENSIONS (LC-46D64U)
LC-46D64U
40
19
/
64
(1023.4)
22
43
/
64
(575.6)
29
59
/
64
(760)
27
31
/
64
(698)
43
23
/
64
(1101)
17
9
/
64
(435)
2
29
/
64
(62)
15
3
/
4
(400) 6
57
/
64
(175)
15
3
/
4
(400)
21
21
/
32
(550)
12
13
/
16
(325)
4
59
/
64
(125)
3
3
/
4
(95)
Unit: inch (mm)

LC-42/46/52D64U
3 – 3
[3] DIMENSIONS (LC-52D64U)
Unit: inch (mm)
LC-52D64U
48 45/64 (1237)
25 21/32
(651.6)
32 59/64 (836)
30 31/64 (774)
525/64
(137)
457/64
(124)
12 13/16
(325)
21 21/32 (550)
45 9/16 (1157.0)
18 5/8(473)
15 3/4(400)
33/4
(95)
229/64
(62)
15 3/4(400)

LC-42/46/52D64U
4 – 1
LC-42/46/52D64U Service Manual
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] REMOVING OF MAJOR PARTS (LC-42D64U)
1. Remove the Black Sheet, and remove the 7 lock screws, 1 lock screw, 7 lock screws and detach the Rear Cabinet.
2. Remove the 4 lock screws and detach the Stand Base Ass'y.
CAUTION: For 42/46, In the case of assembly, the new sheet (PSPAKA237WJ00) can be stuck on a flat head screw.
1
2
2
Stand Base Ass'y
Rear Cabinet
Front Cabinet
Black Sheet
Flat head screw
1
1
1

LC-42/46/52D64U
4 – 2
3. Remove the 8 lock screws and detach the Main Shield.
4. Remove the 6 lock screws and detach the AV Shield.
AV Shield
Main Shield
3
4

LC-42/46/52D64U
4 – 3
5. Disconnect all the connectors from all the PWBs.
[PD]
[PL]
[LB]
[LA1]
[AC]
[LA1]
[AC]
5
5
5
5
[LW] [LP] [LB]
[RA]
[US]
[HM]
[PD]
[KM] [MA]
[MA]
[VD]
[PE]
[PE]
[SP]
[VD]
[HM]
[US]
[KM]
[PL] [LW] [LP]

LC-42/46/52D64U
4 – 4
6. Remove the Speaker-L and R.
7. Remove the 5 lock screws, 2 lock screws and detach the Tray Chassis and Terminal Bottom Angle.
Tray Chassis
Speaker-R Speaker-L
7
6 6
Terminal Bottom Angle
7

LC-42/46/52D64U
4 – 5
8. Remove the 2 lock screws, 2 lock Shaft, 2 lock Shaft and detach the Terminal Side Angle.
9. Remove the 3 lock screws and detach the AC INLET Unit.
10.Remove the 6 lock screws and detach the POWER Unit.
11.Remove the 5 lock screws and detach the TERMINAL Unit.
12.Remove the 3 lock screws and detach the MAIN PWB Radiator.
13.Remove the 2 lock screws and detach the MAIN Unit.
AC INLET Unit
POWER Unit
TERMINAL Unit
Terminal Side Angle
MAIN PWB Radiator
MAIN Unit
9
10
8
8
8
11
12
13

LC-42/46/52D64U
4 – 6
14.Remove the R/C, LED Unit.
15.Remove the 2 lock screws and detach the Mini AV Ass’y.
16.Remove the 2 lock screws, 2 lock screws and detach the Mini AV Shield and SIDE Unit from the Mini AV Ass’y.
17.Remove the KEY Unit from the Mini AV Ass’y.
18.Remove the 4 lock screws and detach the LCD Control Shield.
19.Remove the 14 lock screws and detach the Panel Support Angle.
20.Remove the 8 lock screws and detach the LCD Panel Module.
Panel Support Angle
LCD Control Shield
Operation Button
KEY Unit
R/C, LED Unit
Mini AV Angle
Mini AV KEY Cover
SIDE Unit
Mini AV Shield
15
16
17
18
19 19
14
20
16
20