Sharp LC-C3242U Service manual

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LC-C3242U
SERVICE MANUAL
No. S17B8LCC3242U
LCD COLOR TELEVISION
MODEL
LC-C3242U
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-32D42U and is changed some parts. This Service Manual covers the modifications
alone. For the other points, refer to the LC-32/37D42U Service Manual.
CONTENTS
DIFFERENCES FROM BASE MODEL
LIST OF CHANGED PARTS ...............................i
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRECAUTION ...........................................................ii
PRECAUTIONS A PRENDRE LORS DE
LA REPARATION .............................................. iii
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ...........................................................iv
PRECAUTIONS IN SERVICING THE
HDCP-KEY ROM ...............................................v
Parts Guide
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.
LC-C3242U
LC-C3242U
DIFFERENCES FROM BASE MODEL
Service Manual
LIST OF CHANGED PARTS
Ref. No.
Description
PWB ASSEMBLIES
MAIN Unit
R/C, LED Unit
KEY Unit
AV TERMINAL Unit
POWER Unit
LC-32D42U
DUNTKD862FM04
DUNTKD909FM02
DUNTKD910FM02
DUNTKD999FM04
RDENCA198WJQZ
LC-C3242U
Note
←
←
←
←
←
—
—
—
—
—
LCD PANEL
32" WIDE LCD Panel Module Unit
R1LK315T3LZ4BX
CABINET AND MECHANICAL PARTS
Please refer to a Parts list.
PACKING PARTS AND ACCESSORIES
Please refer to a Parts list.
i
R1LK315T3LZ50Z
—
LC-C3242U
LC-C3242U
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.
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.
2. Disconnect AC power before servicing.
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.)
C A U T I O N : F O R C O N T I N U E D PROTECTION
AGAINST A RISK OF FIRE REPLACE ONLY WITH
SAME TYPE FUSE.
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.
F7001 (250V 6.3A)
DVM
AC SCALE
„BEFORE RETURNING THE RECEIVER (Fire &
Shock Hazard)
1.5k ohm
10W
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.
0.15 µF
TEST PROBE
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 120 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.
TO EXPOSED
METAL PARTS
CONNECT TO
KNOWN EARTH
GROUND
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
SAFETY NOTICE
Many electrical and mechanical parts in LCD color television have
special safety-related characteristics.
For continued protection, replacement parts must be identical to those
used in the original circuit.
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.
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.
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.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
ii
LC-C3242U
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.
AVERTISSEMENT
• 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.
1. N'entreprendre aucune modification de tout circuit. C'est dangereux.
2. Débrancher le récepteur avant toute réparation.
• Utiliser un voltmètre CA d'une sensibilité d'au moins 5000Ω/V pour
mesurer la chute de tension en travers de la résistance.
PRECAUTION: POUR LA PROTECTION CONTINUE CONTRE LES RISQUES D'INCENDIE,
REMPLACER LE FUSIBLE
• 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.
F7001 (250V 6.3A)
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.
DVM
ECHELLE CA
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.
1.5k ohm
10W
5. S'assurer qu'il n'y ait pas de danger d'électrocution en vérifiant la
fuite de courant, de la facon suivante:
•
0.15 µF
SONDE D'ESSAI
Brancher le cordon d'alimentation directem-ent à une prise de courant de 120V. (Ne pas utiliser de transformateur d'isolation pour
cet essai).
AUX PIECES
METALLIQUES
EXPOSEES
BRANCHER A UNE
TERRE CONNUE
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
AVIS POUR LA SECURITE
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.
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.
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
iii
LC-C3242U
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.
Lead-free wire solder for servicing
PARTS CODE
ZHNDAi123250E
ZHNDAi126500E
ZHNDAi12801KE
PRICE
RANK
BL
BK
BM
PART
DELIVERY
J
J
J
DESCRIPTION
φ0.3mm 250g (1roll)
φ0.6mm 500g (1roll)
φ1.0mm 1kg (1roll)
iv
LC-C3242U
PRECAUTIONS IN SERVICING THE HDCP-KEY ROM
Applied part:
HDCP-KEY ROM
IC8451 RH-IXB979WJQZY (updated ROM)
The HDCP-KEY ROM shall be protected and managed for its information inside. In servicing this ROM, therefore, take the following information protection/management measures.
1) When disposing of the component parts and PWBs, destruct the IC itself in a proper way.
(For repairing or replacing the component parts and PWBs as well as clearing those in stock)
2) In storing the component parts, protect and manage them against theft and disclosure.
(For storing the service parts, service units, etc.)
v
LC-C3242U
PartsGuide
PARTS GUIDE
No. S17B8LCC3242U
Note:
The reference numbers on the PWB
are arranged in alphabetical order.
MODEL
LC-C3242U
CONTENTS
[1]
LCD PANEL (NOTE: THE PARTS
HERE SHOWN ARE SUPPLIED AS
AN ASSEMBLY BUT NOT
INDEPENDENTLY.)
[2]
CABINET AND MECHANICAL
PARTS
[3]
SUPPLIED ACCESSORIES
[4]
PACKING PARTS (NOT
REPLACEMENT ITEM)
[5]
SERVICE JIGS (USE FOR
SERVICING)
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.
LC-C3242U
NO.
PARTS CODE
PRICE NEW
RANK MARK
DESCRIPTION
PART
DELIVERY
[1] LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.)
N
R1LK315T3LZ50Z
EE
N
J
32" WIDE LCD Panel Module Unit
2
LC-C3242U
[2] CABINET AND MECHANICAL PARTS
36
47
3
41
36
41
3-1
3-2
36
KEY Unit
48
36
47
41
26
41
4
39
49
43-2
14
43-1
32
1-7
1
43
14
1-11
1-1
1-8
40
1-6
1-5
1-8
1-6
39
1-11
1-8
1-9
1-12
1-8
1-13
1-8
2
34
36
7-2
36
7-2
36
34
5-2
6
13
38
6-2
8
9
5-1
16
6-1
5
22
40
12
44
45
10
36
AV TERMINAL Unit
3
2-4
5-2
36
15
28
36
5-2
37
7
2-4
20
7-3
36
7-1
17
36
7-2
35
2-2
46
36
18
23
7-4
2-4
34
19
25
2-3
2-4
34
24
27 MAIN Unit
21
2-1
34
46
30
42
2-5
R/C, LED Unit
1-2
1-4
POWER Unit
11
1-8
1-8
1-10
35
33
29
1-7
1-11
1-3
36
31
45
LC-C3242U
NO.
PARTS CODE
PRICE NEW
RANK MARK
DESCRIPTION
PART
DELIVERY
[2] CABINET AND MECHANICAL PARTS
1
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-8
1-9
1-10
1-11
1-12
1-13
2
2-1
2-2
2-3
2-4
2-5
3
3-1
3-2
4
5
5-1
5-2
6
6-1
6-2
7
7-1
7-2
7-3
7-4
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
43-1
43-2
44
45
46
47
48
49
CCABAB612WJ04
Not Available
Not Available
Not Available
Not Available
HPNLSA100WJSB
Not Available
Not Available
Not Available
TLABZB392WJSA
TLABZA635WJZZ
XJPSN30P08XS0
HDECSA014WJSA
Not Available
CCABBA950WJ01
Not Available
Not Available
LHLDWA057WJKZ
Not Available
LHLDWA055WJKZ
CCOVAB929WJ01
Not Available
Not Available
R1LK315T3LZ50Z
CSLDMB061WJ01
Not Available
LHLDWA102WJKZ
CANGKA902WJ01
Not Available
Not Available
CCHSMA346WJ01
Not Available
LHLDWA102WJKZ
LHLDWA120WJKZ
Not Available
GCOVAA678WJKA
GCOVAB931WJKA
HINDPB715WJSA
HINDPC377WJSA
LANGKA913WJM1
LANGKA914WJFW
LX-HZA003WJFN
LX-NZ3047GEZZ
NSFTZ0134CEFW
PCLICA004WJKZ
PRDARA414WJFW
PSPAZA635WJKZ
PSPAZA917WJKZ
PSPAZB030WJKZ
QCNCWA496WJZZ
QCNW-E249WJPZ
QCNW-E257WJQZ
QCNW-E258WJQZ
QCNW-E266WJQZ
QCNW-E278WJQZ
QCNW-E703WJPZ
QCNW-F250WJQZ
QCNW-F300WJQZ
QCNW-F316WJQZ
RSP-ZA215WJZZ
RSP-ZA216WJZZ
XBBS740P06000
XBBS930P06000
XBPS730P06WS0
XBPS830P06000
XEBS930P08000
XEBS930P10000
XEBS940P16000
XEBSN40P10000
TLABNB037WJZZ
CANGKA930WJ01
Not Available
LHLDWA120WJKZ
CDAI-A332WJ04
Not Available
LANGTA414WJM1
LANGHA052WJFW
LANGHA051WJFW
LANGKA929WJFW
N
AY
AF
AC
AA
AQ
BL
AE
AC
AM
EE
AX
AB
AN
AZ
AB
AB
AE
AL
AF
AH
BC
AL
AC
AA
AD
AC
AK
AC
AH
AB
AK
AH
AH
AG
AF
AH
AX
AL
AL
AG
AY
AY
AA
AA
AA
AA
AA
AA
AB
AB
AD
AL
AB
AP
AG
AG
AK
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
X
X
X
J
J
X
X
J
J
X
J
X
J
X
X
J
J
J
X
X
X
X
X
J
J
J
J
X
J
J
J
X
J
J
J
J
J
X
X
X
X
X
X
J
J
J
J
J
J
J
J
X
X
J
X
X
X
X
X
Front Cabinet Ass'y
Front Cabinet
LED Cover
Front Cover
Badge, SHARP
SP-Net
Spacer, x2
Spacer, x2
Double Tape, x7
POP Label
Label
Screw (for Front Cover), x3
Shaine Trim
Spacer
Rear Cabinet Ass'y
Rear Cabinet
Terminal Label
Wire Holder
Spacer, x6
Wire Holder
Top Cover Ass'y
Top Cover
Operation Button
32" WIDE LCD Panel Module Unit
MAIN Shield Ass'y
MAIN Shield
Wire Holder, x3
Jack Angle Ass'y
Jack Angle
Jack Indicator
Tray Chassis Ass'y
Tray Chassis
Wire Holder, x3
Wire Holder
Barrier Sheet
SD Card Cover
Stand Area Cover
Terminal Label
Model Label
Stand Fix Angle
Stand Assist Angle
Screw (for SP-BOX), x4
Nut
Shaft, x2
Rivet, x3
Heat Sink
Cool Sheet
Cool Sheet
Spacer
Connector (F-RCA)
Connecting Cord (ANT IN)
Connecting Cord (PE)
Connecting Cord (PD)
Connecting Cord (KM)
Connecting Cord (SH)
Connecting Cord (LV)
Connecting Cord (RA)
Connecting Cord (LA-LA_LB)
Connecting Cord (SP)
Speaker (L)
Speaker (R)
Screw (for ANG), x6
Screw (for CAB-B), x5
Screw (for PWB,ANG), x42
Screw (for HDMI), x2
Screw (for JACK)
Screw (for LED), x2 (for KEY), x2
Screw (for CAB-B), x10
Screw (for PANEL), x4
No. Label
Rug Angle Bottom R Ass'y
Rug Angle Bottom R
Wire Holder
Stand Unit
Screw (for Stand), x9
Center Angle, x2
Rug Angle Top, x2
Center Angle Top
Rug Angle Bottom L
4
LC-C3242U
[3] SUPPLIED ACCESSORIES
X1
Cable Band
Operation Manual
X5
X2
Cable Clamp
X3
AC Cord
X6
"AAA" Size Battery
X9
Stand Unit
X4
X9-1
NO.
PARTS CODE
PRICE NEW
RANK MARK
DESCRIPTION
PART
DELIVERY
[3] SUPPLIED ACCESSORIES
!
X1
X2
X3
X4
X5
X6
X7
X8
X9
X9-1
X10
LHLDWA083WJ00
LHLDWA131WJKZ
QACCDA039WJPZ
RRMCGA535WJSA
TINS-D085WJZZ
Not Available
TCADEA208WJZZ
TCAUHA263WJZZ
CDAI-A332WJ04
UKOGLA001WJZZ
TGAN-A768WJZZ
AD
AE
AQ
AY
AN
AD
AD
N
N
AK
AD
J
J
J
X
X
X
X
X
X
X
Cable Band
Cable Clamp
AC Cord
Remote Control Unit
Operation Manual
"AAA" Size Battery
Enquete Card
Caution Card
Stand Unit
Tool for Stand
Guarantee Card
5
Remote Control Unit
LC-C3242U
[4] PACKING PARTS (NOT REPLACEMENT ITEM)
S8
S9
S7
S7
S3
S5
S6
S10
S2
S4
S7
S7
S11
S1
6
LC-C3242U
NO.
PARTS CODE
PRICE NEW
RANK MARK
DESCRIPTION
PART
DELIVERY
[4] PACKING PARTS (NOT REPLACEMENT ITEM)
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
SPAKCD468WJZZ
SPAKFB119WJZZ
SPAKFB120WJZZ
SPAKPA794WJZZ
SPAKPA796WJZZ
SPAKPA798WJZZ
SPAKXB306WJZZ
SSAKA0101GJZZ
SSAKAA032WJZZ
SSAKHA035WJZZ
TLABKA009WJZZ
-
N
N
-
Packing Case
Stand Case
Stand Pad
Wrapping Paper (Monitor)
Mirror Mat Base
Mirror Mat Sup
Packing Add.
Polyethylene Bag
Polyethylene Bag
Polyethylene Bag (for Screw)
No. Label
Connecting Cord (PE (PA) 12pin 100cm)
MAIN to POWER Unit
Connecting Cord (PD (MI) 6pin 100cm)
MAIN to POWER Unit
Connecting Cord (LA/LB 4p-8p 130cm)
MAIN to INVERTER Unit
Connecting Cord (LA 10p-14p 100cm)
POWER to INVERTER Unit
Connecting Cord (LV 30pin 100cm)
MAIN to LCD CONTROL Unit
Connecting Cord (SH 7pin 100cm)
MAIN to LCD CONTROL Unit
[5] SERVICE JIGS (USE FOR SERVICING)
N
N
N
N
N
N
N
N
N
N
N
N
QCNW-D483WJQZ
AX
J
QCNW-E068WJQZ
AS
J
QCNW-F304WJQZ
AV
J
QCNW-E673WJPZ
BP
J
QCNW-E674WJQZ
AS
J
7
LC-C3242U
COPYRIGHT
2007 BY SHARP CORPORATION
ALL RIGHTS RESERVED.
No part of this publication may be reproduced,
stored in a retrieval system, or transmitted in
any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise, without
prior written permission of the publisher.
SHARP CORPORATION
Mar. 2007 Printed in Japan
TQ2128-S MI. KD
AV Systems Group
CS Promotion Center
Yaita, Tochigi 329-2193, Japan