In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
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.
inal condition and only parts identical to those specified should be used.
LC-42HT3U
OUTLINE
This Service Manual covers the differences from LC-32/37D42U. For other technical information, refer to the LC32/37D42U (No. S06X9LC32D42U) Service Manual.
CONTENTS
DIFFERENCES FROM BASE MODEL
LIST OF CHANGED PARTS...............................i
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.
MAIN UnitDUNTKD862FM04DUNTKE285FM01Change
R/C, LED UnitDUNTKD909FM02DUNTKD909FM02No Changes
KEY UnitDUNTKD910FM02DUNTKD910FM02No Changes
AV-Terminal UnitDUNTKD999FM04DUNTKD999FM04No Changes
POWER UnitRDENCA198WJQZRDENCA198WJQZNo Changes
DIGITAL MINI PWB Unit—DUNTKD537FM03Addition
Refer to PARTS GUIDE for CABINET PARTS, SUPPLIED ACCESSORIES, PACKEING PARTS and SERVICE JIGS.
i
LC-32HT3U/LC-37HT3U/LC-42HT3U
LC32HT3U
SAFETY PRECAUTION
Service Manual
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 circuit should be
attempted.
2. Disconnect AC power before servicing.
CAUTION: FOR CONTINUED
PROTECTION AGAINST A RISK OF
FIRE REPLACE ONLY WITH SAME
TYPE FUSE.
AV
F701 (125V 8A),
F4701, F5701 (250V 3A ~ 115
O
C)
• 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 0.75 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.
DVM
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.
• P lug the AC cord directly into a 120 volt AC outlet.
• Using two clip leads, connect a 1.5k ohm, 10 watt resistor paralleled by a
parts and a known earth ground, such as electrical conduit or electrical ground connected to an earth ground.
0.15µF capacitor in series with all exposed metal cabinet
TO EXPOSED
METAL PARTS
AC SCALE
1.5k ohm
10W
0.15µF
TEST PROBE
CONNECT TO
KNOWN EARTH
GROUND
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.
ii
LC-32HT3U/LC-37HT3U/LC-42HT3U
PRECAUTIONS A PRENDRE LORS DE LA REPARATION
Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux
conseils suivants.
A l'aide de deux fils à pinces, brancher une résistance de 1.5 k
AVERTISSEMENT
1.
N'entreprendre aucune modification de tout circuit. C'est dangereux.
2.
Débrancher le récepteur avant toute réparation.
PRECAUTION:POURLAPROTECTION CONTINUE CONTRE
LES RISQUES D'INCENDIE, REMPLACER LE FUSIBLE
AV
F701 (125V 8A),
F4701, F5701 (250V 3A ~ 115
O
C)
VERIFICATIONS CONTRE L'INCEN-DIE ET LE
CHOC ELECTRIQUE
Avant de rendre le récepteur à l'utilisateur, effectuer les vérifications suivantes.
3.
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.
4.
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 résistancecapacité, les isolateurs mécaniques, etc.
S'assurer qu'il n'y ait pas de danger d'électrocution en vérifiant la
5.
fuite de courant, de la facon suivante:
Brancher le cordon d'alimentation directem-ent à une prise de cou-
•
rant de 120V. (Ne pas utiliser de transformateur d'isolation pour
cet essai).
•
10 watts en parallèle avec un condensateur de
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 5000 /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 métallique, 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 terminer ces vérifications.)
La tension de pointe mesurèe ne doit pas dépasser 0.75V (correspondante 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.
De nombreuses pièces, électriques et mécaniques, dans les téléviseur ACL 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 "" 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.
iii
LC-32HT3U/LC-37HT3U/LC-42HT3U
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:
Indicates lead-free solder of tin, silver and copper.Indicates lead-free solder of tin, silver and copper.
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.
42
& BLACK TFT LCD
(Screen size 42
measured diagonally)
American TV Standard ATSC/NTSC System
VHF 2-13ch, UHF 14-69ch
1-135ch (non-scrambled channel only)
2-69ch
1-135ch (non-scrambled channel only)
BTSC System
10W
2
AV in, COMPONENT in
AV in , S-VIDEO in
Audio in, COMPONENT in
AV in , COMPONENT in
AV in , S-VIDEO in
HDMI in with HDCP
Audio in, HDMI in with HDCP
15 pin mini D-sub female connector, Audio in (Ø 3.5 mm jack)
Unbalance, F Type1 (VHF/UHF/CATV/ATSC/QAM)
75
Optical Digital audio output1 (PCM/Dolby Digital)
Audio out
Model: LC-42HT3U
Advanced Super View
1
/
64
TRANSPORTRJ-11
OSD language
Power Requirement
Power Consumption
TV only
Weight
TV
Dimension*2
(W
HD)
TV only
TV
Operating temperature
stand
stand
English/French/Spanish
AC 120 V, 60 Hz
152 W
35.3 lbs.16.0 kg
40.8 lbs./18.5 kg
3111/322059/64353/64inch
3111/322313/64937/64inch
32°F to104°F (0°C to40°C)
*1Emergency alert messages via Cable are unreceivable.
*2 The dimensional drawings are shown on the inside back cover.
•
There may be some deviations from these values in individual units.
Optional accessory
The listed optional accessory is available for the Liquid
Crystal Television. Please purchase it at your nearest shop.
• Additional optional accessories may be available in the near
future. When purchasing, please read the newest catalogue for
compatibility and check the availability.
185 W
43.0 lbs./19.5 kg
50.7 lbs./23.0 kg
61
/642337/64353/64inch
35
3561/642527/321135/64inch
Part name
Wall mount bracket
235 W
59.5 lbs./27.0 kg
67.2 lbs./30.5 kg
19
/322637/6459/32inch
40
4019/32287/8111/2inch
Model number
AN-37AG2/
AN-52AG1 (LC-42HT3U only)
1 – 1
[2] OPERATION MANUAL
Part names
TV (Top/Front)
LC-32HT3U/LC-37HT3U/LC-42HT3U
Channel buttons(CH/)
Volume buttons (VOL
/ )INPUT button
POWER button
Remote control sensor
OPC sensor*
POWER indicator**
NOTE
* OPC: Optical Picture Control (See OPERATION MANUAL FOR HOTEL OPERATOR.)
** See page for TV status indicator Operation Manual.
SLEEP indicator**
OPC indicator**
1 – 2
LC-32HT3U/LC-37HT3U/LC-42HT3U
Part names
TV (Rear)
LC-32HT3U/LC-37HT3U
HDMI terminal (INPUT 4)
HDMI terminal (INPUT 5)
PC IN terminal (INPUT 6)
Antenna/Cable in
AUDIO input terminals (INPUT 5)
DIGITAL AUDIO OUTPUT terminal
TRANSPORT terminal*
INPUT 3 terminals
INPUT 2 terminals
INPUT 1 terminals
AUDIO OUTPUT
terminals
AC INPUT terminal
NOTE
* The TRANSPORT terminal is designed for hotel communication. Do not use it for other purposes.
1 – 3
Part names
TV (Rear)
LC-42HT3U
Antenna/Cable in
AUDIO input terminals
(INPUT 5)
DIGITAL AUDIO OUTPUT
terminal
TRANSPORT terminal*
LC-32HT3U/LC-37HT3U/LC-42HT3U
HDMI terminal (INPUT 4)
HDMI terminal (INPUT 5)
PC IN terminal (INPUT 6)
INPUT 3 terminals
INPUT 1 terminals
AUDIO OUTPUT terminals
NOTE
* The TRANSPORT terminal is designed for hotel communication. Do not use it for other purposes.
INPUT 2 terminals
AC INPUT terminal
1 – 4
LC-32HT3U/LC-37HT3U/LC-42HT3U
Part names
Remote control unit
(Optional accessory: AN-32HTRC)
114
2
3
4
5
6
7
8
9
10
1123
12
1327
15
16
17
18
19
20
21
22
24
25
26
1TV POWER: Switches the TV power on or enters
standby.
2DISPLAY: Displays the channel information.
3SOURCE POWER: Turns the power of the external
equipment on and off.
4External equipment operational buttons: Operates
the external equipment.
50–9:Sets the channel.
6• (DOT)
7INPUT: Selects a TV input source. (TV, INPUT 1, INPUT 2,
INPUT 3, INPUT 4, INPUT 5, INPUT 6)
8VOL
9SURROUND: Selects Surround settings.
10 FREEZE: Sets the still image. Press again to return to
11 EXIT: Turns off the menu screen.
12 SLEEP: Sets the sleep timer.
13 AUDIO: Selects the MTS/SAP or the audio mode during
14 FUNCTION: Switches the remote control for TV, CBL/
15 LIGHT
16 VIEW MODE: Selects the screen size.
17 ENT: Jumps to a channel after selecting with the 0–9
18 FLASHBACK: Returns to the previous channel or
19 CH
20 MUTE: Mutes the sound.
21 MENU: Displays the menu screen.
22
23 RETURN: Returns to the previous menu screen.
24 FAVORITE CH
25 FAVORITE: Set the favorite channels.
26 CC: Displays captions from a closed-caption source.
27 AV MODE: Selects an audio or video setting.
/ : Sets the volume.
normal screen.
multi-channel audio broadcasts.
SAT, VCR, DVD and AUDIO operation. Indicator lights up
for the current mode.
* To enter the code registration mode, you need to press
FUNCTION and DISPLAY at the same time.
: 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.
buttons.
external input mode.
/: Selects the channel.
/ / / / ENTER: Selects a desired item on the
screen.
A, B, C, D: Selects four preset favorite channels in four
different categories.
While watching, you can toggle the selected channels by
pressing A, B, C and D.
(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 or 6:
STANDARD, MOVIE, GAME, PC, USER, DYNAMIC
(Fixed), DYNAMIC)
NOTE
• When using the remote control unit, point it at the TV.
•SeetheOPERATION MANUAL FOR HOTELOPERATOR for details on the functions of each button.
1 – 5
Part names
LC-32HT3U/LC-37HT3U/LC-42HT3U
Remote Replicator
(Optional accessory: AN-H06RCU)
1
2
3
4
11
5
6
7
8
9
10
1 LEARN indicator: Lights up while storing the TV
settings from the TV to the Remote Replicator.
2 DONE indicator: Lights up when storing or
transferring is
3 TEACH indicator: Lights up while transferring the
TV settings from the Remote Replicator to the TV.
4 MEMORY SELECT indicator: Indicates which
memory bank is selected.
5 LEARN button: Store the TV settings from the TV
to the Remote Replicator.
6 TEACH button: Transfer the TV settings from the
Remote Replicator to the TV.
7 ROOM button: The TV turns off and enters the
ROOM mode when the TV is in the MASTER mode.
You can turn on or off the TV when the TV is in the
ROOM mode.
8 MASTER button: The TV is turned on and enters
the MASTER mode when the TV is turned off. The
menu screen displays when the TV is turned on in
the MASTER mode or the ROOM mode. The TV is
turned off and enters the PPV TV mode when the
TV is in the Normal TV mode.
• When using the Remote Replicator, point it at the TV.
•SeetheOPERATION MANUAL FOR HOTEL OPERATOR
for details on the functions of each button.
• The TRANSPORT (RJ-11) connector is designed for hotel
communication. Do not use it for other purposes.
The Remote Replicator is only for hotel operators.
1 – 6
LC-32HT3U/LC-37HT3U/LC-42HT3U
Preparation
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.
LC-32HT3U/37HT3U
13
2
rm that there are 9 screws (all the same
size) supplied with the TV.
Set the post for the stand unit onto the
box.
Attach the base to the post.
Insert and tighten the 5 screws into the 5
holes on the bottom of the base.
Hex key
Screw
Insert the stand into the openings on the
bottom of the TV.
Insert and tighten the 4 screws into the 4
holes on the rear of the TV.
Hex key
Screw
Soft cushion
NOTE
• To detach the stand, perform the steps in reverse order.
1 – 7
LC-32HT3U/LC-37HT3U/LC-42HT3U
Preparation
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.
LC-42HT3U
13
2
rm that there are 8 screws supplied with
the TV.
Short screws ( 4)
(Usedinstep2)
Long screws (
(Used in step 3)
Set the post for the stand unit onto the
box.
4)
Attachthebasetothepost.
Insert and tighten the 4 short screws into
the 4 holes on the bottom of the base.
Hex key
Short screw
Insert the stand into the openings on the
bottom of the TV.
Insert and tighten the 4 long screws into
the 4 holes on the rear of the TV.
Hex key
Long screw
Soft cushion
NOTE
• To detach the stand, perform the steps in reverse order.
1 – 8
LC-32HT3U/LC-37HT3U/LC-42HT3U
Preparation
Connecting to the PPV terminal box
Connect the TV and the PPV terminal box as shown.
To power outlet
To room antenna terminal
(Supplied by Pay Per View
RJ-11 cable
provider)
Coaxial cable
(Commercially available)
PPV terminal boxHotel server
1 – 9
Appendix
Troubleshooting
LC-32HT3U/LC-37HT3U/LC-42HT3U
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.
Possible Solution
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 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 (+,
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.
-
) aligned?
No picture
No sound
The TV sometimes makes a
cracking sound.
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?
Is the volume too low?
Is "Variable" selected in "Output Select"
Have you pressed MUTE on the remote control unit?
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.
Troubleshooting-Digital broadcasting
The error message about reception of broadcast
The example of an error message
displayed on a screen
Failed to receive broadcast.
No broadcast now.
Error code
E202
E203Check the broadcast time in the program guide.
Check the antenna cable. Check that the antenna is correctly
setup.
Possible Solution
Cautions regarding use in high and low temperature environments
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)
1 – 10
LC-32HT3U/LC-37HT3U/LC-42HT3U
Appendix
PC compatibility chart
It is necessary to set the PC correctly to display XGA and WXGA signal. Refer to set PC input signals.
PCHorizontal FrequencyVESA StandardResolutionVertical Frequency
720 x 400
VGA
PC
XGA1024 x 768
WXGA1360 x 768
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 Co., Inc.
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
Color Temp.
Black
I/P Setting
Film Mode
3D-Y/C
Monochrome
Range of OPC
Reset
Treble
Bass
Balance
Surround
Reset
Picture
Audio
Power Control
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
Color Temp.
Black
I/P Setting
Film Mode
Monochrome
Range of OPC
Reset
Treble
Bass
Balance
Surround
Reset
Picture
Audio
Power Control
No Signal Off
No Operation Off
Setup
Input Skip
Input Label
Position
Language
Option
Digital Noise Reduction
HDMI Setup
NOTE
Some menu items may not be displayed depending on the
selected input source.
PPV TV
Refer to page 1-15
No Signal Off
No Operation Off
Setup
Input Skip
Input Signal
Auto Sync.
Input Label
Fine Sync.
Language
Option
Digital Noise Reduction
NOTE
Some menu items may not be displayed depending on the
selected input source.
PPV TV
Refer to page 1-15
1 – 14
LC-32HT3U/LC-37HT3U/LC-42HT3U
PPV TV SETTING LIST by PPV SERVICE PROVIDERS
TV Mode
PPV System
Function Menu Setup
Default Channel
Default Volume
Room Mode
CH Re-Map
Reset
ONCOMMAND
TV Mode
PPV System
Default Channel
Default Volume
Room Mode
Label Input
CH Re-Map
Reset
LODGENET
NXTV
TV Mode
PPV System
Function Menu Setup
Default Channel
Default Volume
Room Mode
CH Re-Map
Reset
TV Mode
PPV System
Default Channel
Default Volume
Room Mode
Label Input
CH Re-Map
Reset
nSTREAMS
SeaChange
TV Mode
PPV System
Default Channel
Default Volume
Room Mode
CH Re-Map
Reset
1 – 15
Basic adjustment settings
LC-32HT3U/LC-37HT3U/LC-42HT3U
Normal Mode TV
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
Color Temp.
Black
I/P Setting
Film Mode
3D-Y/C
Monochrome
Range of OPC
Reset
Treble
Bass
Balance
Surround
Reset
Picture
Audio
Normal Mode INPUT1/2/3
Picture
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
Color Temp.
Black
I/P Setting
Film Mode
3D-Y/C
Monochrome
Range of OPC
Reset
Audio
Treble
Bass
Balance
Surround
Reset
No Signal Off
No Operation Off
EZ Setup
CH Setup
Antenna Setup-DIGITAL
Input Skip
Parental CTRL
Position
Language
Reset
Audio Only
Digital Noise Reduction
Input Select
Output Select
Caption Setup
Program Title Display
Favorite CH
Audio Setup
Identification
Power Control
Setup
Option
Digital Setup
Power Control
No Signal Off
No Operation Off
Setup
Input Skip
Input Label
Parental CTRL
Position
Language
Reset
Option
Audio Only
Digital Noise Reduction
Input Select (except for INPUT3)
Output Select
Color System
Caption Setup
Program Title Display
Digital Setup
Audio Setup
Identification
1 – 16
LC-32HT3U/LC-37HT3U/LC-42HT3U
Basic adjustment settings
Normal Mode HDMI (INPUT4/5)
Picture
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
Color Temp.
Black
I/P Setting
Film Mode
Monochrome
Range of OPC
Reset
Audio
Treble
Bass
Balance
Surround
Reset
Menu items for HDMI/PC-IN
Picture
OPC
Backlight
Contrast
Brightness
Color
Tint
Sharpness
Advanced
Color Temp.
Black
I/P Setting
Film Mode
Monochrome
Range of OPC
Reset
Audio
Treble
Bass
Balance
Surround
Reset
Power Control
No Signal Off
No Operation Off
Setup
Input Skip
Input Label
Position
Language
Reset
Option
Audio Only
Digital Noise Reduction
HDMI Setup
Output
Select
NOTE
Some menu items may not be displayed depending on the
selected input source.
Power Control
No Signal Off
No Operation Off
Setup
Input Skip
Input Signal
Auto Sync.
Input Label
Fine Sync.
Language
Reset
Option
Audio Only
Digital Noise Reduction
Output Select
NOTE
Some menu items may not be displayed depending on the
selected input source.
1 – 17
[3] DIMENSIONS
15
35
/
64
(394.6)
LC-32HT3U/LC-37HT3U/LC-42HT3U
LC-32HT3U
(531)
(589)
64
/
64
59
/
13
20
23
(58)
32
/
9
2
(85)
64
/
23
3
(200)
8
/
7
7
9
27
/16(700.0)
11
31
/32(796)
1945/64(500)
77/8(200)
(394.6)
64
/
35
15
(343)
2
/
1
13
9
3
/32(83)
Unit: inch/(mm)
45
/64(500)
19
53
3
/64(97)
LC-37HT3U
(599)
(656)
64
32
/
/
37
27
23
25
(57)
4
/
1
2
(85)
64
/
23
3
25
32
/64(822.6)
61
35
/64(913)
2135/64(547)
77/8(200)
(463.8)
64
/
17
18
(377)
32
/
27
14
5
4
/8(117)
37
9
/64(243)
2135/64(547)
353/64(97)
(200)
8
/
7
7
1 – 18
11
35
/64(293)
LC-32HT3U/LC-37HT3U/LC-42HT3U
20
23
/
32
(526)
LC-42HT3U
(733)
8
/
/64 (675)
7
37
28
26
/32 (58)
9
2
/64 (85)
23
3
/8 (200)
7
7
36
47
/64(933)
19
/32 (1031)
40
2117/64 (540)
77/8(200)
(526)
32
/
23
20
/64 (421)
37
16
25
3
/32 (95)
21
17
/64 (540)
Unit: inch/(mm)
9
(134)
5
/
32
111/2(292)
1 – 19
LC32HT3U
CHAPTER 2. REMOVING OF MAJOR PARTS
Service Manual
[1] REMOVING OF MAJOR PARTS (LC-32HT3U/LC-37HT3U)
1. Remove the SD Card Cover.
2. Remove the 4 lock screws and detach the Stand Base Ass'y.
3. Remove the 9 lock screws, 5 lock screws and detach the Rear Cabinet.
Front Cabinet
3
SD Card Cover
1
3
LC-32HT3U/LC-37HT3U/LC-42HT3U
2
Stand Base Ass'y
Rear Cabinet
2 – 1
LC-32HT3U/LC-37HT3U/LC-42HT3U
4. Remove the 2 lock screws and detach the Stand Assist Angle.
5. Remove the 4 lock screws and detach the Center Angle-L and R.
6. Remove the 1 lock screw and detach the Stand Area Cover.
7. Remove the 4 lock screws and detach the Stand Fix Angle.
8. Remove the 6 lock screws and detach the MAIN Shield.
5
MAIN Shield
Center Angle-R
8
Center Angle-L
5
Stand Fix Angle
Stand Area Cover
2 – 2
6
Stand Assist Angle
7
4
LC-32HT3U/LC-37HT3U/LC-42HT3U
9. Disconnect all the connectors from all the PWBs.
10.Remove the Top Cover Ass'y. Remove the 2 lock screws from the Top Cover Ass'y and detach the KEY Unit.
Top Cover Ass'y
KEY Unit
10
9
9
9
9
2 – 3
LC-32HT3U/LC-37HT3U/LC-42HT3U
11.Remove the 4 lock screws and detach the Speaker-L and R.
12.Remove the 2 lock screws and detach the R/C, LED Unit.
13.Remove the 5 lock screws and detach the Tray Chassis.
Tray Chassis
13
Speaker-R
11
R/C, LED Unit
Speaker-L
12
11
2 – 4
LC-32HT3U/LC-37HT3U/LC-42HT3U
14.Remove the 2 lock screws, 2 lock screws, 1 lock screw and 2 lock screws. Detach the Jack Angle and DIGITAL MINI PWB Unit.
15.Remove the 6 lock screws and detach the POWER Unit.
16.Remove the 4 lock screws and detach the AV TERMINAL Unit.
17.Remove the 5 lock screws, 3 lock rivets and detach the MAIN PWB Radiator and MAIN Unit.
14
14
14
14
Jack Angle
DIGITAL MINI
MAIN PWB Radiator
17
PWB Unit
MAIN Unit
17
17
15
POWER Unit
AV TERMINAL Unit
16
2 – 5
LC-32HT3U/LC-37HT3U/LC-42HT3U
18.Remove the 6 lock screws and detach the Rug Angle Top-L and R.
19.Remove the 7 lock screws and detach the Rug Angle Bottom-L and R. (LC-32HT3U)
Remove the 6 lock screws and detach the Rug Angle Bottom-L and R. (LC-37HT3U)
20.Remove the 2 lock screws and detach the Chassis Fix Angle Top. (LC-32HT3U)
Remove the 3 lock screws and detach the Chassis Fix Angle Top. (LC37HT3U)
21.Remove the LCD Panel Module.
LC-32HT3U
18
Rug Angle Top-R
Rug Angle Bottom-R
19
Chassis Fix Angle Top
18
19
20
18
18
Rug Angle Top-L
Rug Angle Bottom-L
19
19
LC-37HT3U
18
Rug Angle Top-R
Rug Angle Bottom-R
19
Chassis Fix Angle Top
18
19
20
19
18
18
Rug Angle Top-L
Rug Angle Bottom-L
19
2 – 6
[2] REMOVING OF MAJOR PARTS (LC-42HT3U)
1. Remove the SD Card Cover.
2. Remove the 4 lock screws and detach the Stand Base Ass'y.
3. Remove the 12 lock screws, 5 lock screws and detach the Rear Cabinet.
3
1
SD Card Cover
3
2
LC-32HT3U/LC-37HT3U/LC-42HT3U
Rear Cabinet
Stand Base Ass'y
2 – 7
LC-32HT3U/LC-37HT3U/LC-42HT3U
4. Remove the 4 lock screws and detach the Chassis Fixing Angle.
5. Remove the 4 lock screws and detach the Center Angle (L)(R).
6. Remove the 2 lock screws and detach the Stand Assist Angle.
7. Remove the 2 lock screws and detach the Stand Assist Cover.
8. Remove the 4 lock screws and detach the Stand Fixing Angle.
9. Remove the 7 lock screws, detach the MAIN Shield.
5
MAIN Shield
9
Center Angle (R)
Center Angle (L)
5
Stand Fixing Angle
Stand Assist Cover
2 – 8
7
Stand Assist Angle
8
Chassis Fixing Angle
6
4
4
LC-32HT3U/LC-37HT3U/LC-42HT3U
10.Disconnect all the connectors from all the PWBs.
11.Remove the Top Cover Ass'y. Remove the 1 lock screw from the Top Cover Ass'y and detach the KEY Unit.
Top Cover Ass'y
KEY Unit
11
10
10
10
10
2 – 9
LC-32HT3U/LC-37HT3U/LC-42HT3U
12.Remove the 7 lock screws and detach the Tray Chassis.
13.Remove the 2 lock screws, 3 lock screws, 2 lock screws, 2 hexagonal shaft for D-sub and 2 lock screws. Detach the Terminal Angle and DIGITAL
MINI PWB Unit.
14.Remove the 7 lock screws and detach the POWER Unit.
15.Remove the 4 lock screws and detach the TERMINAL Unit.
16.Remove the 5 lock screws, 3 rivet and detach the Heat Sink and MAIN PWB.
17.Remove the 2 lock screws and detach the Speaker (L)(R).
18.Detach the R/C, LED Unit.
16
13
13
13
13
13
Terminal Angle
Heat Sink
DIGITAL MINI
PWB Unit
16
16
15
MA FC SA
14
MAIN PWB
POWER Unit
12
Tray Chassis
TERMINAL Unit
Speaker (R)
17
R/C, LED Unit
2 – 10
Speaker (L)
18
17
19.Remove the 4 lock screws and detach the Tray Fixing Angle (L)(R).
20.Remove the 7 lock screws and detach the Lug Angle Top.
21.Remove the 9 lock screws and detach the Lug Angle Bottom.
22.Remove the LCD Panel Module.
LC-32HT3U/LC-37HT3U/LC-42HT3U
2019
Lug Angle Top Center
Lug Angle Bottom
19
Lug Angle Top LLug Angle Top R
21
2 – 11
LC-32HT3U/LC-37HT3U/LC-42HT3U
LC32HT3U
CHAPTER 3. ADJUSTMENT
Service Manual
[1] ADJUSTMENT PROCEDURE
The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is
required due to part replacement, make an adjustment according to the following procedure.
1. After replacement of any PWB unit and/or IC for repair, please note the following.
• When replacing the following units, make sure to prepare the new units loaded with updated software.
MAIN Unit: DUNTKE285FM01
AV TERMINAL Unit: DUNTKD999FM04
2. Upgrading of each microprocessor software
Caution: Never “POWER OFF” the unit when software upgrade is ongoing.
Otherwise the system may be damaged beyond recovery.
2.1. Software version upgrade
The model employs the following software.
•Main software
• Monitor microprocessor software
The main software and the monitor microprocessor software can be upgraded by using a general-purpose SD memory card.
The followings are the procedures for upgrading, explained separately for each of the main software, the monitor microprocessor software.
2.2. Main software version upgrade
Get ready before you start
• SD memory card of 32MB or higher capacity
• PC running on Windows 98/98SE/ME/2000/XP operating system
• SD memory card reader/writer with USB connectivity.
• SD memory card formatting software
(Downloadable at http://panasonic.jp/support/audio/sd/download/sd_formatter_e.html)
Preparations
To upgrade the main software, it is necessary to get ready the SD card for version upgrade before you start.
Follow the steps below and create the SD card for version upgrade.
1. Insert the SD card into the SD card reader/writer. Start the SD card formatting software. Click [Format].
(When you have the drive options, select the drive where the SD card is inserted before you proceed.)
3 – 1
LC-32HT3U/LC-37HT3U/LC-42HT3U
2. When the formatting is over, the following window appears. Click [OK].
3. Click [Exit] to finish the formatting.
NOTE: When you are done, take out the SD card once to make sure it is finished, and then insert it again.
4. Copy the binary image file HT3UAxxx.SDC (named temporarily) for version upgrade to the root directory (folder) of the SD card drive.
NOTE: In the SD card drive, do not store other folders or unrelated files, or more than one binary image files for version upgrade.
Now the SD card for version upgrade is ready.
How to upgrade the software
5. Shut off the AC power (i.e. unplug the AC cord).
6. Insert the SD card for version upgrade (prepared as above) into the service socket located lower side from center at terminals, under DIGITAL
AUDIO OUTPUT terminal in the rear of the unit, in a way that the cut corner of the SD card comes at the upper side.
NOTE: If the SD card is inserted in a wrong way, the card will go deep inside the unit beyond retrieval. Take due care to insert the SD card correctly.
7. Turn on the AC power (i.e. plug in the AC cord).
8. After the unit startup, the system upgrade screen as shown below appears within 15~30 seconds.
< SYSTEM UPGRADE >
MAINEEPROM
26 %
MONITOR
NO DATA
NG
OK
NG
OK
OLD Version
NEW Version
Boot Version
100 %
SD-CARD
DETECT
U0611093
U0611152
CFE-HT3U 1.00
BOISE_HT3U
OK
NG
NG
OK
3 – 2
LC-32HT3U/LC-37HT3U/LC-42HT3U
9. Even a single failure in the process will trigger the upgrade failure screen as shown below. The word “NG” changes to red for the item failed.
NOTE: In the event of a failure, repeat the upgrading process. If the process repeatedly fails, it is likely that the hardware is troubled.
< UPGRADE FAILURE >
MAINEEPROM
0%
MONITOR
NO DATA
NG
OK
NG
OK
OLD Version
NEW Version
Boot Version
100 %
SD-CARD
DETECT
U0611093
U0611152
CFE-HT3U 1.00
BOISE_HT3U
OK
NG
OK
NG
10.Upon completion of the whole process, the upgrade success screen as shown below appears. You can check the new software version on this
screen. The version information appears after the upgrade is complete.
< UPGRADE SUCCESS >
MAINEEPROM
100 %
MONITOR
NO DATA
NG
OK
NG
OK
OLD Version
NEW Version
Boot Version
100 %
SD-CARD
DETECT
U0611093
U0611152
CFE-HT3U 1.00
BOISE_HT3U
NG
OK
NG
OK
11.Shut off the AC power to the unit (unplug the AC cord), and remove the SD card for version upgrade.
12.Now the software version upgrade is complete.
NOTE: When you are done with the software version upgrade, start the set, go to the top page of the adjustment process screen and check the main
software version information.
3 – 3
LC-32HT3U/LC-37HT3U/LC-42HT3U
2.3. Monitor microprocessor software version upgrade
NOTE: If “Monitor version” in the process menu is “2.00M”, the monitor microprocessor software can not be rewritten (because IC2002 has been
replaced with the mask type).
Get ready before you begin
Get ready the same items as listed in the “Main software version upgrade”.
Preparation
Create the SD card for monitor microprocessor software version upgrade in the same manner as explained in the “Main software version upgrade”.
Copy the binary image files HT3UVxxx.SDC and D42UMxxx.BIN (named temporarily) for monitor microprocessor software version upgrade to the SD
card drive.
How to upgrade the software
1. Shut off the AC power to the unit (i.e. unplug the AC cord).
2. Insert the SD card for version upgrade (prepared as above) into the service socket located lower side from center at terminals, above S-VIDEO
terminal in the rear of the unit, in a way that the cut corner of the SD card comes at the upper side.
NOTE: If the SD card is inserted in a wrong way, the card will go deep inside the unit beyond retrieval. Take due care to insert the SD card correctly.
3. Turn on the AC power (i.e. plug in the AC cord).
CAUTION: The moment this operation is done, the upgrading of the monitor microprocessor software starts. While the upgrade is ongoing,
never power off the unit. Otherwise the upgrade will fail and the system may have a serious damage beyond recovery (inability
to start).
4. After the unit startup, the system upgrade screen as shown below appears within 15~30 seconds.
< UPGRADE FAILURE >
MAINEEPROM
0%
MONITOR
NO DATA
MAINEEPROM
100 %
MONITOR
NO DATA
NG
OK
NG
OK
OLD Version
NEW Version
Boot Version
< UPGRADE SUCCESS >
NG
OK
NG
OK
OLD Version
NEW Version
Boot Version
100 %
SD-CARD
DETECT
U0611093
U0611152
CFE-HT3U 1.00
100 %
SD-CARD
DETECT
U0611093
U0611152
CFE-HT3U 1.00
BOISE_HT3U
OK
NG
OK
NG
BOISE_HT3U
NG
OK
NG
OK
5. A failure in the process will trigger the upgrade failure screen. The word “NG” changes to red for the item failed.
NOTE: In the event of a failure, repeat the upgrading process. If the process repeatedly fails, it is likely that the hardware is troubled.
6. Upon completion of the whole process, the upgrade success screen as shown below appears. You can check the new software version on this
screen. The version information appears after the upgrade is complete.
7. Shut off the AC power to the unit (unplug the AC cord), and remove the SD card for version upgrade.
8. Now the software version upgrade is complete.
NOTE: When you are done with the software version upgrade, start the set, go to the top page of the adjustment process screen and check the mon-
itor microprocessor software version information.
3 – 4
LC-32HT3U/LC-37HT3U/LC-42HT3U
2.4. LCD Adjustment Item
2.4.1 MICON SOFTWARE writing
1. Monitor Micon and Main Micon software writing (Main PWB: QPWBXE285WJZZ)
*(i): Connect the tool to write Main software to P9301 (TL9301, TL9302, TL9310~TL9355, TL9357, TL9359, TL9375, TL9378, TL9380~TL9383)
that is mounted on the MAIN PWB, and insert SD-card with Monitor Micon software to MAIN PWB.
Monitor connect to TL8112 that denoted figure.
Load stated voltage to MAIN PWB, write the lastest version Main software to IC8451, and write the Monitor Micon software to IC2002, after
all completed, turn off the AC power.
NOTE: When the SD-card can’t insert to MAIN PWB or read out is error. Main Micon software must be writed again.
2.4.2 Signal adjustment
1. Checking the Device
Before starting the adjustment, make sure the adjustment tool and signal generator are set for Sharp LCD US.
Checking the signal generator level adjustment (Set to the standard level.)
1SettingFor detailed adjustment procedure, refer to “Kameyama Model Integral Monitor WB
Adjustment Specifications V1.4”.
1) Make the following settings for the set.
AV MODE: [DYNAMIC]
Backlight: +16
Aging time: Min. 60 minutes
2) Connect the white balance adjustment tool to the set.
2Automatic adjust-
ment execution
[Command]
Process mode
KRSW0001
KKT10037
Setting
KYOF0000
OSDS0001
SBSL0016
Multi-point adjustment
mode
MSET0001
Adjustment value initialization
MSET0004
Point 6
WBI60928
MG6G****
MG6B****
MG6R****
Point 5
WBI50800
MG5G****
MG5B****
MG5R****
[Adjustment procedure]
1) Using the remote controller, transmit the “monitor adjustment process” code.
2) Set the 6th point to the specified gradation level. With the strongest color being fixed,
turn down the R, G and B settings to their reference levels.
3) Set the 5th point to the specified gradation level. Correct the G setting (800 x 6thpoint G setting / 928) (rounded off), and make the R and B settings to their reference
levels.
4) Set the 4th point to the specified gradation level. Correct the G setting (480 x 6thpoint G setting / 928) (rounded off), and make the R and B settings to their reference
levels.
5) Set the 3rd point to the specified gradation level. Correct the G setting (312 x 6thpoint G setting / 928) (rounded off), and make the R and B settings to their reference
levels.
6) Set the 2nd point to the specified gradation level. Correct the G setting (232 x 6thpoint G setting / 928) (rounded off), and make the R and B settings to their reference
levels.
7) Set the 1st point to the specified gradation level. Correct the G setting (184 x 6thpoint G setting / 928) (rounded off), and make the R and B settings to their reference
levels.
8) With the MSET0003 command, write the adjustment values and turn off the AC
power.
* Initial R, G and B settings at point 6: Gradation level set at 928
* Initial R, G and B settings at points 1 thru 5: Corrected G setting at each point
(This is because the adjustment is made to achieve the same remainder of RGB setting /
4 at each point.)
[Adjustment value]
•As per the “standard set” submitted by Engineering Department
“LC-37HT3U” Teaching set
[Adjustment reference] Instrument: Minolta CA-210 Engineering instrument
Point 4LevelReferenceAdj. specIns. spec
WBI40480Point 6928X=0.272±0.0025±0.0050
MG4G****y=0.277
MG4B****Point 5800X=0.272±0.0025±0.0050
MG4R****y=0.277
Point 4480X=0.272±0.0035±0.0070
Point 3y=0.277
WBI30312Point 3312X=0.272±0.0050±0.0100
MG3G****y=0.277
MG3B****Point 2232X=0.272±0.0080±0.0150
MG3R****y=0.277
Point 1184X=0.272±0.0110±0.0200
y=0.277
Point 2
WBI20232
MG2G****
MG2B****
MG2R****
Point 1
WBI10184
MG1G****
MG1B****
MG1R****
Writing
MSET0003
NoteSet conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Monochro: ON
Black: OFF
Color Temp: High
Back Light: +16
Aging Time: Min. 60 minutes
3 – 6
LC-32HT3U/LC-37HT3U/LC-42HT3U
2.6. Key writing
1. Adjustment sequence (adjustment according to the G adjustment value of gradation 6)
* Make sure the adjusting point gradations are correct since they are different for each model.
PCSet
Set the light level to MAX with the light control command
(SBSL0016 for 45).
SBSL0016
Adjust RGB to the target xy values.
MG6RXXXX
MG6GXXXX
MG6BXXXX
* XXXX indicates the adjusted values between 0000 and 1023
(4 digit decimal number with zero fill).
* In order to adjust by reducing the value, set the strongest color
as the fixed color.
* The default adjustment value of RGB is the parameter value of
the WBI6 command multiplied by 2.
Correction of G value
MG5GXXXX
When G is changed at gradation 6, calculate the ratio of the
change and set the following value to XXXX: (the value set with
WBI5) x 2 x (the ratio).
Adjustment values are set.
OK
3 – 7
Start measurement
Repeat until RGB
become the target
values.
LC-32HT3U/LC-37HT3U/LC-42HT3U
PCSet
Adjust RB to the target xy values.
MG5RXXXX
MG5BXXXX
* XXXX indicates the adjusted values between 0000 and 1023
(4 digit decimal number with zero fill).
*Gisfixed.
* The default adjustment value of RGB is the parameter value
of the WBI5 command multiplied by 2.
Correction of G value
MG4GXXXX
When G is changed at gradation 6, calculate the ratio of the
change and set the following value to XXXX: (the value set with
WBI4) x 2 x (the ratio).
Adjustment values are set.
OK
Adjust RB to the target xy values.
MG4RXXXX
MG4BXXXX
* XXXX indicates the adjusted values between 0000 and 1023
(4 digit decimal number with zero fill).
*Gisfixed.
* The default adjustment value of RGB is the parameter value of
Correction of G value
MG3GXXXX
When G is changed at gradation 6, calculate the ratio of the
change and set the following value to XXXX: (the value set with
WBI3) x 2 x (the ratio).
Adjustment values are set.
OK
3 – 8
LC-32HT3U/LC-37HT3U/LC-42HT3U
PCSet
Start measurement
Adjust RB to the target xy values.
MG3RXXXX
MG3BXXXX
* XXXX indicates the adjusted values between 0000 and 1023
(4 digit decimal number with zero fill).
* G is fixed.
Repeat until RGB
become the target
values.
* The default adjustment value of RGB is the parameter value of
the WBI3 command multiplied by 2.
Correction of G value
MG2GXXXX
When G is changed at gradation 6, calculate the ratio of the
change and set the following value to XXXX: (the value set with
WBI2) x 2 x (the ratio).
The adjustment value is
reflected in the image.
Adjustment values are set.
OK
Pattern display
Adjustment values are set.
OK
Start measurement
Repeat until RGB
become the target
values.
Adjustment values are set.
OK
Adjust RB to the target xy values.
MG2RXXXX
MG2BXXXX
* XXXX indicates the adjusted values between 0000 and 1023
(4 digit decimal number with zero fill).
* G is fixed.
* The default adjustment value of RGB is the parameter value of
the WBI2 command multiplied by 2.
Correction of G value
MG1GXXXX
When G is changed at gradation 6, calculate the ratio of the
change and set the following value to XXXX: (the value set with
WBI1) x 2 x (the ratio).
Adjustment values are set.
OK
3 – 9
Start measurement
Repeat until RGB
become the target
values.
LC-32HT3U/LC-37HT3U/LC-42HT3U
PCSet
Adjust RB to the target xy values.
MG1RXXXX
MG1BXXXX
* XXXX indicates the adjusted values between 0000 and 1023
(4 digit decimal number with zero fill).
* G is fixed.
* The default adjustment value of RGB is the parameter value of
the WBI1 command multiplied by 2.
The adjustment value is
reflected in the image.
Adjustment values are set.
OK
Writing of adjusted values
MSET0003
Writing is complete.
OK
Deleting adjustment patterns
MSET0000
Deletion is complete.
OK
Completion of adjustment
2.7. Menu list in process A mode
Page LineItemExplanation
1MAIN VersionMain microcomputer software version
BOOT Version
Monitor VersionMonitor microcomputer software version
PLIA VersionPLIA software version
PI Status
EQ DATA CHECKSUMSound parameter checksum
TEMPERATURERead value of temperature sensor
LAMP ERRORNumber of lamp error
NORMAL STANDBY CAUSEReasons of standby at normal time
ERROR STANDBY CAUSEReasons of standby in the event of error
4TUNER VCHIP TEST (69ch)Execute TUNER TEST
TUNER VCHIP TEST (7ch)
TUNER VCHIP TEST (4ch)
TUNER VCHIP TEST (10ch)
TUNER VCHIP TEST (15ch)
Pro idiom operating status
3 – 10
LC-32HT3U/LC-37HT3U/LC-42HT3U
LC32HT3U
CHAPTER 4. TROUBLE SHOOTING TABLE
Service Manual
[1] TROUBLE SHOOTING TABLE
No Picture/Sound signals of PPV come out
Is the PPV signal outputted to the following pins from the J10
(RJ-11) of PPV unit?
Is the signal inputted to the following pin from P12 of connector
of PPV unit?
Pin (2): [RXD]Pin (1): [TXD]
NONO
Check the Main unitCheck the PPV unit
No PPV-Remote Control (R/C) signal of PPV comes out
Is the PPV signal outputted to the following pins from the J10 (RJ-11) of PPV unit?
Pin (6): [TVIR]
NO
Is the signal inputted to the following pin from P11 of connector of PPV unit?
Pin (1): [TVIR]
NO
Check the MAIN unit
YESIs the PPV signal inputted to the following pins from the J10 (RJ-
YESIs the signal outputted to the following pin from P12 of connector
11) of PPV unit?
NO
Check the Terminal External Box
of PPV unit?
4 – 1
LC32HT3U
CHAPTER 5. OVERALL WIRING DIAGRAM/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM (LC-32HT3U)
OVERALL WIRING DIAGRAM (LC-32HT3U)
LC-32HT3U/LC-37HT3U/LC-42HT3U
Service Manual
5 – 1
LC-32HT3U/LC-37HT3U/LC-42HT3U
[2] OVERALL WIRING DIAGRAM (LC-37HT3U)
OVERALL WIRING DIAGRAM (LC-37HT3U)
,
+
*
)
(
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%
$
#
5 – 2
[3] OVERALL WIRING DIAGRAM (LC-42HT3U)
OVERALL WIRING DIAGRAM (LC-42HT3U)
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
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&
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$
#
5 – 3
LC-32HT3U/LC-37HT3U/LC-42HT3U
[4] SYSTEM BLOCK DIAGRAM
SYSTEM BLOCK DIAGRAM
5 – 4
LC32HT3U
CHAPTER 6. PRINTED WIRING BOARD
[1] MAIN UNIT PRINTED WIRING BOARD
MAIN Unit (Side A)
,
+
*
LC-32HT3U/LC-37HT3U/LC-42HT3U
Service Manual
)
(
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$
#
6 – 1
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit (Side A Chip)
,
R8139
R8140
L1512
R8173
R9032
R9033
R8122
R8124
R8118
R8120
L1513
R2629
R8197R8198R8199
FL8102
R8222
TP8113
R8334
C2605
R8141
L2601
IC1506
R2043C2030
P2601
R2630
R8223
C8210
R8332
IC8302
C1537
R1576
L2602
C2607
C2606
IC2602
C2603
C8109
IC2009
Q1502
C8110
D1501
R1634
L2603
R2611
R2631
C8111
R8313
R1520
Q1501
R1533
R1530
R1527
C8112
C8264
C8265
R1516
L2604
C2609
C2608
C8252
R1531
C8211
C8324
C1536
C2604
C2602
R2612
C2601
R1524
FB2602
C8113
R1523
IC1504
L2605
FB2601
C8107
R1511
R1513
C1531
D1519
R1522
C8212
L1505
C1523
C8104
R8209
C8214
R1521
C2612
C2611
X8101
R8191
D1512
R8185
IC8101
C1524
D1508
C8103
R8315
C1522
FB2603
R8208
C8215
L8101
R8314
R1571
IC1503
R1529
FB1509
R8190
R1561
R1526
C8254
C8255
C8256
C1641
R1528 D1507
R1525
FB1505
SC1503
C8114
R8331
L1107
C1144
C8257
C1521
C8209
C1640
L1106
C1139
C1140
Q1511
FB1506 C1529R1566
R1173
R1575
R1567
C1141
R8329
R1550C1530
TP8110
C1146
R1172
C1639
R1570R1579
R8161
R8189
Q1510
FB1508 C1527R1564
R8155
R1574
R1565
R8156
TP8106
R8328
IC8301
R1549C1528
R8152
C1638
R1569R1578
R8131
Q1509
R8151
FB1507 C1525R1562
R2615
R1573
R1563
D8101
D8102
R1548C1526
R1568R1577
R8145
R8146
TP8102
TP8104
C8258
C8259
R8181
TP8112
R8177
R8183
R8184
TP8105
R8174
R9313
TP8103
C8251
TP8101
TP8111
C8323
R9324
R9303
R9315
R9316
R8221
R8112
R8102
R8204
R8171
R9302
IC8601
R8134
R8144
R8210
R9314
R9310
R8169
J1502
R8212
TP9201
P9202
FB1501
FB1502
FB2616
C1502C1501
P2603
R9330
FB2617
R9211
TP8116
R1504C1505 R1503C1507
R2625
C1509
C1510
R1515R1508 R1514R1509
IC9301
FB2608
C9301
LUG1108
R9006
R9008
R9328
R9327
R9325
R1177
R9019
IC9001
IC9002
R9003
LUG1107
R9007
R9004
LUG1105
TP2204
C2233
C9001
C9002
C1506
R1510
C1512R1180
R9020
D2003R2041
FB1504
R1518R1507
R2231
P9301
R2233
R2222
LUG1103
C1504
Q2208
C1145
R1178
R2225
C2205
C2210
L2202
C1135
R1115
R1171
C9618
C9619
R2217
C2202
C1155
C1156
C1503FB1503
J1501
L9601
R1122
R2214
Q2204
R1127
D9602
C9631
R2206
R2201
R1179
R1506
C1122 Q1102
P9201
R1512
R1517
R1132
C1508
Q1103
R9215R9216
R9615
R1129
P9701
TP2203
R1196
C1511
D9606
R9624
D9603
R1130
R1160
P1103
R1133
R1106C1127R1131
R1311
R2234
TP2005
IC1304
R9628D9607
R2232
D9605
R2250
D1306C1310R1333
R9617
TP2202
R2244
TP2009
TP9102
TP9111
Q1312
C1313
C9622
C9621
C9620
Q2213
R2245
TP2004
TP9110
L1301
C2216
R1165
TP9101
TP9108
TP8119
TP8115
R2249
R2248
R2010
R9116
R9117
R9305
R9113
C1311
C1312
TP8117
TP8114
R1110R2223
TP2003
C9107C9108
R2224
TP2001
R9130
D9002
C9613
Q2207
R1105
R9108
C9102
L9602
R2226
R1111
C9106
R9122
C9617
C2206
L2201
R2228
Q2209
TU1101
TP2002
R9104
C2211
C2207
R9109
C2203
C2212
L2203
R9106
P9005
R2218
R9124
IC9101
D9003
Q9602
C2204
R2219
R9105
R9103
R9115
R2215
Q2201
C9105
D9004R9101
R2216
C9104
R9102
R2207
R2202
Q2205
P2001
R2068
C9614
R2208
R2203
R9131
R9114
R9110
P9702
R1414
TP1101
R2025
R9111
IC9703
C9718
R1426
C9103
C9101
C1420
R1461
C1461
IC1407
L1401
R9107 R9112
C1463
C1458
R1462
C1421
C9713
X1402
R1463
C1464R1470
C1459
C1465
P9101
C1460
R1469
R1472
FB9707
FB1401
C1462
C1467
R1409
C1466
R1413
SC8701
P1401
C8706
R1401
C1403
C1432
R8730
C8707
C1405
R1425
C1426
R1417
Q1401
R1434
R1424
Q1402
C1425
R1431
R1309
R1429
R1428
R1430
R1433
C1430
R1432
R8720
R8719
C1302
R1310
Q1304
C1431
R8703
R8704
D1313
R8705
R1323
D1307
R1448
D1303
D1314
R1447
SC8401
FB8401C8405
D1312
LUG1102
D1308
P8401
C8406
VA8401
C1306
D1310
C1451
C1450
R8404
R8405
D1309
VA8402
IC8402
R1336
Q1311
C1474
C8404
FB8402
Q1308
R1332
R8403
R1317
C1109C1410
C1106C1119
R9015
R1102
R1329
Q1314
R1342
R9014
FDC1
C1124
SC1101SC1301
SC1102
LUG1101
P2602
R2618
R2620
R2621
R2614
FL2606
FL2611
R2613
FL2604
FB2604
C2613
+
R1169
R1168LUG1106
R9011
C3332
C3322
D1526
R3331
IC3304
R1633R1559
C9616
P9001
R9035
R1604R1572
R9002
C3324
R3318
C3304
D9604
R1605R1580
R1502
SC1501
R9001
C3321
C1596 R1616
C1551
L1506
R9034
C1599 R1611
R3337
C3337
L1507
C3333
C3307
C1543
L1508
R9010
R1636R1632
C1544
C3334
R3335
C3338
R1607
R1608
L1509
R3319
C3315
C3314
C3310
C3309
C3313
R3320
R3312
C3329
C9005
IC1507
R3311
R3310
C3345
R3309
X3301
R1583
C3325
R1618
C1549
C1550
R1551
D1511
Q1505
R1606
Q1520
R1505
Q1507R1595
R1601
Q1518
R1598
Q1525
R1557
R1584
R1599
D1527
R1519D1523
R1597
L1510
SC1502
R8138
R8137
C8253
C8261
C8262
C8263
Q1524
L1511
kame2
*
)
(
'
&
%
$
kame5
FDC5
R3338
R3334
R3333
LUG1104
KOU1
C3335
C3330
C3328
C3316
C3327
C3312
C3311
C3308
C3326
C3336
P2002
SC8703
kame1
FB3301
C3303
R3301
LUG1109
IC3302
C9615
C3318
L1503
L1504
L1502
L1501
C3344
D1525
C3343
Q1517
R1501
R3326
Q1513
R1585 D1528
Q1506
R1555
Q1521 Q1519
R1582
R1181
R1182
L9603
Q1516
Q1508
C3305
C3306
R1544
R1558
D1514
C9626
#
6 – 2
MAIN Unit (Side B)
,
+
*
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LC-32HT3U/LC-37HT3U/LC-42HT3U
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$
#
6 – 3
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit (Side B Chip)
,
FDC2
TL1321
TL1305
TL1326
TL1316
TL1331
TL1318
TL1319
TL1320
TL1324
TL1325
TL1327
TL1329
TL1176
TL1175
TL1174
TL1172
TL1169
TL1163
TL1161
TL1159
TL1157
TL1155
TL1153
TL1149
TL1145
TL1143
TL1141
TL1139
TL1137
TL1135
TL1133
TL1131
TL1129
TL1128
TL1315
TL1322
TL1323
TH2001
TL1330
R1330
TL1328
TL1170
TL1173
TL1171
TL1168
TL1162
TL1160
TL1158
TL1156
TL1151
TL1147
TL1127
TL1142
TL1140
TL1136
TL1134
TL1132
TL1130
C1309
R1318
TL1150
TL1138
R1321
C1305
R1316
Q1313
TL1144
R8407
Q8401
TL8402
Q1307
R1466
R1320
R1327
Q1303
R1331
Q1310
+
*
TL1301
)
(
'
&
%
$
C1314
TL1154
TL1152
TL1148
TL1146
TL8409
C8403
R1319
Q1306
R1457
C8402
IC1303
C1307
R1328
C1472
R1315R1314
R1334
TL8406
C1304
C1303
R1326
TL8408
R8402
IC8401
R1313
R1312
R1337
R1325
R1450
R1455
R8406
D1311
R1335
R1439
IC1408
TL8401
R8401
R1458R1460
D1302
D1301
C1449
C1447
C1444
C1443
C1441
C1440
C1437
C1436
C1439
R1440
R1452
IC1104
R1136
TL8411
TL8412
TL8404
R8409
R1451
C8401
R1340
R1454
C1473
R1135
C1115
R1108
R8408
TL8403
TL8405
R1446
C1471
R1456
R1465
C1116
R1341
Q1302
Q1309
TL1166
C1433
TL1101
R1107
R1308
R1338
C1435
R1453
C1434
IC1403
R1125
C8711
IC1302
TL1164
C1438
D1304
R1305
C1308
R1339
R1449
C1424
C1118
IC1103
R8725
R8724
R8723
R8722
R1443
C1470
R8727
R8721
D1305
R1422
R1423
C1427
C8710
R8726
R1307
R1303
R1441
C1469
Q1301
R1442
C1448
R1304
R1438
R1101
C1101
C8709
TL8709
R1306
C1429
IC1404
R1437
R1435
C1468
R8718
R1436
R8717
R1302
Q1305
X1401
C1452
C1442
R8716
R8708R8713
R1427
C1428
R8715
IC1301
R1324
TP1402
IC1405
R8714
R8728
R1322
R1420
TP1401
R8712
IC8702
R8711
C8708
TL8701
R1301
C1301
R1421
TL8702
C1422
R1415
R1467
C1446
TL1404
TL1403
C1423
R1416
TL1102
TL8703
TL1402
R2001
R2006
FB8701
TL8704
R1402
C1406
C1402
TL1405
TL1401
R1407
IC1402
C1401
C8702
C8705
R8710C8704
C8703
TL8705
C1404
TL1103
C1105
IC8701
R1464
C1407
C1103
TL9101
TL9102
TL9103
TL9104
R8706
R8707
TL8706
TL8713
FB9706
R1404
C1408
TL1104
IC1101
IC2005
TL9105
C8701
TL8707
C9710
TL9722
R1405
R1408
IC1401
C1409
TL1105
TL9707TL9714
R1459
C1411
R1406
C2025
IC2004
TL8710
TL8708
Q9702
D9702
R1471
C1453
TL1106
TL8451
TL9719
FB9702
R9704
C1412
R1410
C1414
TL8456
C2020
TL8711
Q9701FB9710
C9711
R9715
R1445
C1454
C1415
TL1107
C1108
C2021R2065
C2019
C2013
R2044
TL8712
TL9703
C1104
R2064
R2061
R2060
R9714
IC1406
R1444
R1411
C1417
C2022
IC2003
R2066
IC2006
TL9723
TL9713
D9701
C1456
C1445
C1419
C1413
C1418
TL1108
IC1105
R2059
R2062
C2017
TL2011
R2053
R2005
FB9709
C1455
C1416
R2063
TL2013
TL9706
TL1109
R2012
C2018
R2069
R2029
R2011
C2024
R2004
C2023
TL2014
Q2003
R2058
TL2010
FB9708
R9705
C9717
C1457
TL1110
C1102
R2057
IC2007
R2002R2031
Q2002
TL9042TL9041TL9040
R2204
R2212
R2210
R2205
R2032R2033
IC9705
C9714
R2221
TL1111
R2045
R2042
TL9039
R2054
TL2008
Q2202
TL1112
TL2012
R2055
TL2001
IC2002
R2008
R2019
Q2206
R2037
R2038
R2056
R2009
C2004
R2237
R2213
C2026
R2072
C2005
TL2007
TL1543
C2229
TL1113
C2015
C2008
R2023R2024
TL9718TL9712
R9606
C2226
C2201
R2235
IC2008
R2051
C2012
C2003
R2076
FB9701
C9610C9612
R9613
R9604
C2232
L2205
C2214
TL1114
R2052
C2014
R2007
Q2007R2035IC2001
TL9708
C9602
C2209
Q2212
R2227
C2230
C2227
C1107
FB9713
TL9702
C9609
R9605
C9603
Q9604
L2206
TL1115
C2010
Q2001
C2002
Q2006
C2001
FB1103
FB1102
TL1303
IC9601
R9601
R9602
Q9601
R9626
R2016
R2070
R2050
R2071
R2003
FB9711
TL9711
C9611
C9605
TL9604
R9627
R2242
R2230
TL1116
R2046
C2016
R2049
R2047
R2048
R2067
TL2009
TL2006
TL1304
R9603
R9607
C9601
R9608
C9606
R9619
Q2210
R2036
R2034
R2027R2028
FB1101
TL9717
FB9705
TL9601
Q9705R9609
TL1117
X2002
R2026
TL9210
TL9209
TL9220
TL1302
TL9715
R9622
R2246
R2247
TP2201
R2240
TL9211
R9213
R9217
TL9226
TL9225
Q8451
D9703
R9712
Q9603
TL1118
X2001
TL9212
TL9227
FB9712
C9708
D9601
R2209
R2211
TL9213
TL9228
D8451
R8451
C9629
R2220
TL1119
TL9215
TL9214
R9219
TL9230
TL9229
TL9710TL9716
FB9704
C9624
TL1121
TL9216
R9214
TL9219
TL9231
Q2203
TL9217
TL9218
R9218
TL9232
TL9233
TL9701
TL8407
IC9701
IC9602
R2236
TL1122
C2009C2011
TL8452
Q8452
TL9709
C2228
TL1538
C9607
R9625
L2204
R8452
TL9705
C2215
TL1123
R8453R8469
FB9703
R9611
R9610
C2231
C9604R9612
Q2211
R2229
C2213
R2241C2208
TL9332
TL1540
TL9333
TL1539
TL9720
C8454
TL9334
C9707
R9702
R9306
TL9335
R9701
TL9310
TL9355
TL9354
TL9352
TL9353
TL9318
TL9382
TL9350
TL9351
TL9320
TL9319
TL9348
TL9349
TL9322
TL9321
IC8452
TL9346
TL9347
TL9383
TL9324
TL9323
TL9344
TL9345
TL9312
TL9325
TL9375
TL9301
TL9379
TL9311
TL9313
TL9384
TL9326
TL9302
TL9359
TL9315
TL9327
TL2622
R9017
R9005
R9009
TL9314
TL9317
TL9329
TL9328
C2616
R2616
R9016
TL9316
TL9330
TL2621
FL2610
TL9331
TL9339
TL2620
C2615
R9317
TL9337
TL9380
FL2609
TL9378
C8456
C8458
TL2619
C2614
TL8410
R9209
TL9357
TL2610
FL2608
TL9343
TL9342
TL9340
TL9338
R8608
R8610
TP8626
R8601
R8605
R8603
C8606
TL9336
R8607
TL1541
TL1542
TL9341
R8609
R8619
R8618
R8602
C8605
R8613
R8614
R8604
R8617
R8606
C8609
TL9381
C8611
C8610
R8611
R8150
R8163R8164
R8162
R8200R8214
TP8622
TP8625
R8615
R8612
C8607
C8197
R9304
R8170
C8608
R8168
FB8102
R8202
R8324
R8303
R8318
R8321
R8616
TL1501
TL8104
R8188
R8172
C8122
TL1531
TL8105
TL8106
FL8105
R8136
C8121
R8217
R8323
TL8103
TL8113
TL8102
R8115
R8176
R8167
C8160
R8133
TL8114
R8175
R8165
C8120
TL1518
TL8107
TL8108
TL8101
C8172
C8138
R8143
R8135
R8327
TL1532
R1552
TL1507
C8108
D1516
C8161
R8253
TL1506
R8154
R8153
R8114
C8125
C8117
TL1533
R1553
R8149
R8113
C8168
R8180
R8178
C8123
D1517
C8169
C8158
C8150
C8144
C8141
FB8106
C8167
C8156
C8152
C8148
C8143
FB8101
C8119
R8310
R8254
TL1505
TL1515
R8166
C8188
C8208
C8165
R8127
R8330
R1554
C8207
C8185
C8176
C8163
C8200
C8134
C8131
R8132
C8102
C8106
R8128
TL1503
TL1504
FB8116
C8191
C8205
C8124
D1518
C8193
TL2609
TL2623
R8160
C8201
C8202
C8187
C8133
R8306
C1534
C1535
R1591
TL1502
FB8114
C8182
C8179
C8164
C8128
R1590
FB2615
C8198
C8183
C8136C8162FB8115
R8305
Q1512
TL1514
FL2602
FB8113
C8189
FB8105
C8166
C8135
C8129
TL1516
R2627
TL2616
C2610
FB8112
C8190
C8170
C8137
C8116
R8304
R2626
TL2615
FB8107
C8192
C8184
C8203
C8171
C8157
C8153
C8147
C8142
R8302
FB1512
D1520
C1533
FL2601
R8182
FB8108
C8186
C8175
FB8109
C8149
C8130
R1589
R1588D1504
R1587
C8180
C8159
R1586
C1532
R8159
C8195
C8174
R8301
TL2614
R8158
FB8111
C8196
C8178
C8194
C8140
FB8103
C8127
TL1545
FB2614
R8187
FB8117
C8204
R8142
C8181
C8151
C8132
D1522
R8157
C8206
C8173
C8177
C8155
C8139
R8312
IC1505
TL1547
R8148
C8154
R8311
D1521
R8147
C8145
C8126
C8101
C8105
R8179
C8199
C8146
FB8104
R8125
R8251
R8320
R8325
R8322
R8319
R8326
R8186
TL8120
R8129
R8130
TL2613
R8207
R8203
R8126
C8118C8115
R8252
C1520
FB2613
R8107
R8103
R8104
R8206
R8205
R8219
R8218
R8211
R8201
R8213
R8105
R8121
R8123
R8117
R8119
R8333
TL1517
C1518
R1556Q1504
R8192
R8106
R8195
R8220
R8116
R8194
R8216
R8215
TL1511
R1547
TL1510
TL2612
R8193
FL8104
R8109
R1543
R1542
R1538
R1534
R1537
R2628
R2604
R8110
R8111
FB1511
R8101
FL8101
TL8112
D1515
TL1513
FB2612
TL2611
TL8109
FB2611
IC1502
D1506
D1510
TL2617
TL8111
C1514
FB2610
C1516
TL8110
R8196
R8108
D1502
TL2618
FB1515
TL1535
TL1521
C1608
C1538
C1582C1591
C8461
C1583C1589
Q1515
R8475
C1592
TL9605
C1597
C1517
R8474
C1615
C1616
C8462
C1519
IC8454
R8470
C8460
TL8453
R9018
TL3316
TL3312
TL3308
R1546
C1547
C1548
TL8455
C1614
C1613
TL1508
R1545
R1594
Q1514
TL2601
R3327
R3328
TL3314
TL3310
R3321
R3322
C3301
R3305
R3302
Q1503
C1546
C1545
FB2609
R8457
R1593
TL1509
TL2602
R2617
TL2603
FL2603
C8452
C8453
TL8454
C3331
TL3313
TL3309
C3320
C3319
C3317
R3303
R3304
TL1523
TL1522
C1587
C1586
C1579
C1578
TL1520
IC8451
R8456
TL3307
TL3315
TL3311
R3314
R3317
R3316
C3342
C9625
TL9001
R1536
TL1534
TL2604
C8451
C3323
TL1524
TL2605
FL2605
R3329
R3330
FB3303
TL3302
IC3301
R9620
R9621
TL9002
TL2606
R2619
TL3306
FB3307
Q9606
D1513
R1540
R1539
R1532
C1515
TL1512
TL2607
R2622
R9012
R9013
R9618
C9628
R9623
TL9003
R1560
R1535
TL2608
FB3304
TL9603
R9616
C9608
C1513
FL2607
TL9005
D1524R1541
D1509
IC1501
D1505
IC9603
R1581
VA1505
VA1508
VA1507
VA1506
TL1519
TL1528
FB1510
R3325
TL3303
TL3301
FB2001
FB2005
FB2004
FB2003
VA1503
VA1504
VA1502
VA1501
TL1526
TL1530
TL1548
TL1546
TL1544
R3336R3332
TL3305
TL3304
TL2005
TL2004
C2027C2028C2029
TL2003
TL2002
TL1525
D1503
FL3301
C9623
TL1527
TL1537
TL1529
TL1536
Q1523
Q1522
D1529
kame3
kame4
FDC6
R1596
R1592
#
6 – 4
[2] DIGITAL MINI UNIT PRINTED WIRING BOARD
LC-32HT3U/LC-37HT3U/LC-42HT3U
DIGITAL MINI
J
I
H
G
Unit (Side-A)
F
DIGITAL MINI
E
D
C
B
A
Unit (Side-A Chip)
LUG10
1
3
D11
TL15
TL14
TL16
TL17
TL18
D14
R16
R15
D12
R14
D13
IC11
C11
TL23
C12
P11
TL22
R17
C14
C13
LUG11
R12
R13
R11
TL21
R24
C16
IC10
X10
C15
D15
TP13
TL20
TL10
TL13
TL12
TL11
P12
TL24
D10
R10
TL19
R23
TP14
C10
TL25
R19
R20
4
P10
1
23
4567910
8
6 – 5
LC-32HT3U/LC-37HT3U/LC-42HT3U
LC32HT3U
CHAPTER 7. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIAGRAM
VOLTAGE MEASUREMENT CONDITION:
1. The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 230V.
Signals are fed by a colour bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
INDICATION OF RESISTOR & CAPACITOR:
RESISTOR
1. The unit of resistance “Ω” is omitted.
(K=kΩ=1000 Ω, M=MΩ).
2. All resistors are ± 5%, unless otherwise noted.
(K= ± 10%, F= ± 1%, D= ± 0.5%)
3. All resistors are 1/16W, unless otherwise noted.
CAPACITOR
1. All capacitors are µF, unless otherwise noted.
(P=pF=µµF).
2. All capacitors are 50V, unless otherwise noted.
Service Manual
CAUTION:
This circuit diagram is original one, therefore there may be a
slight difference from yours.
SAFETY NOTES:
1. DISCONNECT THE AC PLUG FROM THE AC
OUTLET BEFORE REPLACING PARTS.
2. SEMICONDUCTOR HEAT SINKS SHOULD BE
REGARDED AS POTENTIAL SHOCK HAZARDS
WHEN THE CHASSIS IS OPERATING.
IMPORTANT SAFETY NOTICE:
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.
7 – 1
[2] SCHEMATIC DIAGRAM
MAIN Unit-1/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 2
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-2/20
,
+
*
)
(
'
&
%
$
#
7 – 3
MAIN Unit-3/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 4
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-4/20
,
+
*
)
(
'
&
%
$
#
7 – 5
MAIN Unit-5/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 6
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-6/20
,
+
*
)
(
'
&
%
$
#
7 – 7
MAIN Unit-7/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 8
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-8/20
,
+
*
)
(
'
&
%
$
#
7 – 9
MAIN Unit-9/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 10
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-10/20
,
+
*
)
(
'
&
%
$
#
7 – 11
MAIN Unit-11/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 12
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-12/20
,
+
*
)
(
'
&
%
$
#
7 – 13
MAIN Unit-13/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 14
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-14/20
,
+
*
)
(
'
&
%
$
#
7 – 15
MAIN Unit-15/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 16
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-16/20
,
+
*
)
(
'
&
%
$
#
7 – 17
MAIN Unit-17/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 18
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-18/20
,
+
*
)
(
'
&
%
$
#
7 – 19
MAIN Unit-19/20
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
%
$
#
7 – 20
LC-32HT3U/LC-37HT3U/LC-42HT3U
MAIN Unit-20/20
,
+
*
)
(
'
&
%
$
#
7 – 21
DIGITAL MINI PWB Unit
,
+
*
)
LC-32HT3U/LC-37HT3U/LC-42HT3U
(
'
&
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$
#
7 – 22
LC-32HT3U/LC-37HT3U/LC-42HT3U
— M E M O —
7 – 23
PartsGuide
LC-32HT3U/LC-37HT3U/LC-42HT3U
PARTS GUIDE
No. S97P6LC32HT3U
LCD COLOR TELEVISION
LC-32HT3U
LC-37HT3U
LC-42HT3U
CONTENTS
[1]PRINTED WIRING BOARD
ASSEMBLIES
[2]LCD PANEL (NOTE: THE PARTS
HERE SHOWN ARE SUPPLIED AS
AN ASSEMBLY BUT NOT
INDEPENDENTLY.)
[3]DUNTKD537FM03
(DIGITAL MINI PWB Unit)
MODELS
[6]CABINET PARTS (LC-37HT3U)
[7]CABINET PARTS (LC-42HT3U)
[8]SUPPLIED ACCESSORIES
[9]PACKING PARTS
(LC-32HT3U/37HT3U)
[10] PACKING PARTS (LC-42HT3U)
LC-32HT3U
LC-37HT3U
LC-42HT3U
[4]DUNTKE285FM01 (MAIN Unit)
[5]CABINET PARTS (LC-32HT3U)
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.
[11] SERVICE JIGS
(USE FOR SERVICING)
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
LC-32HT3U/LC-37HT3U/LC-42HT3U
NO.PARTS CODE
PRICE
RANK
NEW
MARK
PAR T
DELIVERY
DESCRIPTION
[1] PRINTED WIRING BOARD ASSEMBLIES
N DUNTKD537FM03NRDIGITAL MINI PWB Unit
N DUNTKE285FM01NRMAIN Unit
[2] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPEN-
DENTLY.)
N R1LK315T3LF21DVJ32" LCD Panel Module
N R1LK370T3LZ6CZEZNJ37" LCD Panel Module
N R1LK420T3LZ1AZNJ42" LCD Panel Module