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
This model is based on the LC-42D83X, LC-46D83X and partially modified.
For the contents not covered in this Service Manual, accordingly, please refer to the LC-42D83X, LC-46D83X
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.
Page 2
LC-42D63X/LC-46D63X
LC42D63X
OUTLINE AND DIFFERENCES FROM BASE MODEL
ServiceManual
OUTLINE
This model is based on the LC-42D83X, LC-46D83X and partially modified.
For the contents not covered in this Service Manual, accordingly, please refer to the LC-42D83X, LC-46D83X (S97R1LC52D83X)
Service Manual.
MINI-AV UnitDUNTKE188FM05DUNTKE188FM05No Changes
KEY UnitDUNTKE266FM03DUNTKE266FM03No Changes
MAIN UnitDUNTKE186FM11DUNTKE186FM11No Changes
SUB UnitDUNTKE183FM01DUNTKE183FM01No Changes
LED, R/C UnitDUNTKE264FM03DUNTKE264FM03No Changes
POWER UnitRDENCA237WJQZRDENCA237WJQZNo Changes
AC INLET UnitRUNTKA341WJQZRUNTKA341WJQZNo Changes
LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.)
R1LK460D3LZ60WR1LK460D3LZ50WChanges
i
Page 3
LC-42D63X/LC-46D63X
LC42D63X
SAFETY PRECAUTION
ServiceManual
IMPORTANT SERVICE SAFETY PRECAUTION
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 circuits 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 AC outlet.
• 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 non polarized adaptor plug must be used
only for the purpose of completing these checks.)
Any reading of 0.74 V rms (this corresponds to 0.5 milliamp. rms
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 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 PartsLists 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.
• “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.
Indicates lead-free solder of tin, silver and copper.
L F a/a
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.
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.
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.
Displays the channel or input information.
DTV mode: Displays the time information included in the DTV
broadcast.
TELETEXT mode: Displays the time information included in the
Teletext broadcast.
18 CH/CH
TV input mode: Select the channel.
TELETEXT mode: Select the page.
19 SLEEP
Set the Sleep timer.
20 INFO
DTV mode: Display the programme information.
21 MENU
Display the menu screen.
22/ / /(Cursor)
Select a desired item on the setting screen.
ENTER
Execute a command.
23 RETURN
MENU mode: Return to the previous menu screen.
24 Colour (Red/Green/Yellow/Blue)
TELETEXT mode: Select a page.
25 AQUOS LINK buttons
TV mode: If external equipment such as a AQUOS BD Player is
connected via HDMI cables and is AQUOS LINK compatible, you
can use these AQUOS LINK buttons.
DVD/VCR mode: Press OPTION to pause the picture.
The buttons except OPTION are correspondingly used to
select the items on the screen.
STB mode: Only thebutton can be used to operate on STB.
2 – 3
Page 9
LC-42D63X/LC-46D63X
y
Attaching the stand
Before attaching (or detaching) the stand, unplug the AC cord from the AC INPUT terminal.
Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being
damaged.
CAUTION
Attach the stand in the correct direction.
Be sure to follow the instructions. Incorrect installation of the stand may result in the TV falling over.
Confirm the 8 screws supplied with the TV.
13
Short screws ( x 4)
(usedinstep3)
Attach the supporting post for the stand unit
2
onto the base as shown below.
LC-42D63X
Long screws (x4)
(used in step 2)
Long screw
Hex
key
Insert the stand into the openings on the
1
bottom of the TV.
Insert and tighten the 4 short screws into
2
the 4 holes on the rear of the TV.
Hex ke
Short
screw
Soft
cushion
LC-46D63X
Long screw
Hex
key
NOTE
To detach the stand, perform the steps in reverse order.
LC-42D63X
15°
15°
CAUTION
Adjust the screen with both hands. Put one hand on
the TV and rotate the screen while steadying the stand
with your other hand.
The TV can be rotated up to 15 degrees to the right or left.
2 – 4
Page 10
LC-42D63X/LC-46D63X
LC42D63X
CHAPTER 3. DIMENSIONS
[1] DIMENSIONS
ServiceManual
LC-42D63X
708
400
64662
200
933.2
1004
400
526.2
409
114
Unit: mm
550
95
LC-46D63X
760
400
698
62
175
1023.4
1101
400
575.6
434
305
550
12495
325
3 – 1
Page 11
LC-42D63X/LC-46D63X
4 – 1
LC42D63X
ServiceManual
CHAPTER 4. OVERALL WIRING DIAGRAM
[1] LC-42D63X
Page 12
LC-42D63X/LC-46D63X
4 – 2
[2] LC-46D63X
Page 13
PartsGuide
LC-42D63X/LC-46D63X
PARTS GUIDE
No. S97R2LC46D63X
LCD COLOR TELEVISION
Note:
The reference numbers on the PWB
are arranged in alphabetical order.
[1]PRINTED WIRING BOARD
ASSEMBLY (NOT RELPACEMENT
ITEM)
[2]LCD PANEL (NOTE: THE PARTS
HERE SHOWN ARE SUPPLIED AS
AN ASSEMBLY BUT NOT
INDEPENDENTLY.)
MODELS
CONTENTS
LC-42D63X
LC-46D63X
[3]CABINET PARTS (LC-42D63X)
[4]CABINET PARTS (LC-46D63X)
[5]SUPPLIED ACCESSORIES
[6]PACKING PARTS (NOT
REPLACEMENT ITEM)
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.
NDUNTKE183FM01NVSUB Unit
NDUNTKE186FM11NVMAIN Unit
NDUNTKE188FM05NVMINI-AV Unit
NDUNTKE264FM03APVLED Unit
NDUNTKE266FM03AGNVKEY Unit
NRDENCA237WJQZBTNVPOWER Unit
NRUNTKA341WJQZAYNVAC-INLET Unit
[2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN-
S1SPAKCD762WJZZ-N-CASE-TOP (LC-42D63X)
S1SPAKCD718WJZZ-N-P-CASE-TOP (LC-46D63X)
S2SPAKCD692WJZZ-N-P-CASE-BOTTOM (LC-42D63X)
S2SPAKCD730WJZZ-N-P-CASE-BOTTOM (LC-46D63X)
S3SPAKPA801WJZZ--PP-HONTAI (LC-42D63X)
S3SPAKPA931WJZZ-S-PP-HONTAI (LC-46D63X)
S4SPAKXB626WJZZ--TOP-PAD (LC-42D63X)
S4SPAKXB641WJZZ-N-TOP PAD L_R (LC-46D63X)
S5SPAKXB627WJZZ--BOTTOM-PAD (LC-42D63X)
S5SPAKXB643WJZZ-N-BOTTOM-PAD (LC-46D63X)
S6SPAKXB646WJZZ-N-TOP PAD C (LC-46D63X)
S7SPAKXB648WJZZ-N-BOTTOM CENTER (LC-46D63X)
S8SSAKA0128AJZZ--SACK
S2
S1
DESCRIPTION
10
Page 23
LC-42D63X/LC-46D63X
NO.PARTS CODE
PRICE
RANK
NEW
MARK
PART
DELIVERY
[6] PACKING PARTS (NOT REPLACEMENT ITEM)
S9SSAKA0005PEZZ--SACK
S10TLABV0182AJZZ--NO. CARD
S11SPAKFB267WJ1Z-N-STAND PAD (LC-42D63X)
S11SPAKFB266WJ1Z-N-STAND PAD (LC-46D63X)
S12SPAKFB287WJ1Z-N-STAND CASE (LC-42D63X)
S12SPAKFB265WJ1Z-N-STAND CASE (LC-46D63X)
No Part of this publication may be reproduced,
stored in a retrieval system, or transmitted in
any from or by any means, electronic, mechanical,
photocopying , recording, or otherwise, without
prior written permission of the publisher.
Sep. 2007 Printed in Japan
TQ2288-S
SY. KY
SHARP CORPORATION
AV Systems Group
CS Promotion Center
Yaita, Tochigi, 329-2193, Japan
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