Sharp LC-32D653E, LC-32D654E Schematic
TopPage
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
SERVICE MANUAL
No. SX8S6LC32D653
LCD COLOUR TELEVISION
LC-32D653E
LC-32D654E
LC-37D653E
LC-37D654E
LC-46D653E
MODELS
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 Service Manual covers the differences from LC-32D65E/RU, LC-37D65E/RU and LC-46D65E/RU. For other
technical information, refer to the LC-32D65E/RU, LC-37D65E/RU (No. S88N7LC32D65E) or LC-46D65E/RU
(S08R9LC46D65E) Service Manual.
CONTENTS
OUTLINE AND MODIFIED PARTS LIST
OUTLINE.............................................................i
MODIFIED PARTS LIST
(LC-32/37D653E/D654E) ....................................i
MODIFIED PARTS LIST
(LC-46D653E/D654E) ........................................ii
SAFETY PRECAUTION
IMPORTANT SERVICE SAFETY PRE-
CAUTION .......................................................... iii
Precautions for using lead-free solder ..............iv
CHAPTER 2. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................2-1
[2] SCHEMATIC DIAGRAM
(LC-32/37D653E/D654E) ..............................2-2
[3] SCHEMATIC DIAGRAM
(LC-46D653E/D654E) .................................2-18
Parts Guide
LC-46D654E
CHAPTER 1. ADJUSTMENT PROCEDURE
[1] ADJUSTMENT PROCEDURE ....................... 1-1
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-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
LC32D653E
OUTLINE AND MODIFIED PARTS LIST
Service Manual
OUTLINE
This Service Manual covers the differences from LC-32D65E/RU, LC-37D65E/RU and LC-46D65E/RU. For other technical information, refer to the
LC-32D65E/RU, LC-37D65E/RU (No. S88N7LC32D65E) or LC-46D65E/RU (No. S08R9LC46D65E) Service Manual.
MODIFIED PARTS LIST (LC-32/37D653E/D654E)
Ref.No. Description No. S88N7LC32D65E (Base Models) No. SX8S6LC32D653 (This Model) Remarks
PRINTED WIRING BOARD ASSEMBLIES (LC-32D653E)
N MAIN Unit DUNTKE685FM01 DUNTKE685FM31 Changes
N R/C LED Unit DUNTKE687FM01 DUNTKE687FM31 Only unit code changes
N POWER/INVERTER Unit RUNTKA456WJQZ RUNTKA456WJQZ No changes
PRINTED WIRING BOARD ASSEMBLIES (LC-32D654E)
N MAIN Unit DUNTKE685FM01 DUNTKE685FM33 Changes
N R/C LED Unit DUNTKE687FM01 DUNTKE687FM33 Only unit code changes
N POWER/INVERTER Unit RUNTKA456WJQZ RUNTKA456WJQZ No changes
PRINTED WIRING BOARD ASSEMBLIES (LC-37D653E)
N MAIN Unit DUNTKE685FM03 DUNTKE685FM32 Changes
N R/C LED Unit DUNTKE687FM03 DUNTKE687FM32 Only unit code changes
N POWER Unit RDENCA267WJQZ RDENCA267WJQZ No changes
N INVERTER Unit RUNTKA457WJQZ RUNTKA457WJQZ No changes
PRINTED WIRING BOARD ASSEMBLIES (LC-37D654E)
N MAIN Unit DUNTKE685FM03 DUNTKE685FM34 Changes
N R/C LED Unit DUNTKE687FM03 DUNTKE687FM34 Only unit code changes
N POWER Unit RDENCA267WJQZ RDENCA267WJQZ No changes
N INVERTER Unit RUNTKA457WJQZ RUNTKA457WJQZ No changes
LCD PANEL
N 32" LCD Panel Module R1LK315D3LW1AY R1LK315D3LW1AS Changes
N 37" LCD Panel Module R1LK370D3LW1AY R1LK370D3LW10Y Changes
CABINET PARTS
Refer to Parts List.
SUPPLIED ACCESSORIES
Refer to Parts List.
PAC K I NG PART S
Refer to Parts List.
Service Jigs
Refer to Parts List.
i
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MODIFIED PARTS LIST (LC-46D653E/D654E)
Ref.No. Description No. S08R9LC46D65E (Base Models) No. SX8S6LC32D653 (This Model) Remarks
PRINTED WIRING BOARD ASSEMBLIES (LC-46D653E)
N KEY Unit DUNTKE266FM01 DUNTKE266FM01 No Changes
N MAIN Unit DUNTKE685FM05 DUNTKE685FM36 Changes
N LED Unit DUNTKE687FM05 DUNTKE687FM36 Only unit code changes
N
PRINTED WIRING BOARD ASSEMBLIES (LC-46D654E)
N KEY Unit DUNTKE266FM01 DUNTKE266FM01 No Changes
N MAIN Unit DUNTKE685FM05 DUNTKE685FM37 Changes
N LED Unit DUNTKE687FM05 DUNTKE687FM37 Only unit code changes
N
LCD PANEL
N 46" LCD Panel Module R1LK460D3LW6AY R1LK460D3LW6AY No Changes
CABINET PARTS
Refer to Parts List.
SUPPLIED ACCESSORIES
Refer to Parts List.
POWER Unit
(Unit Replacement Item)
POWER Unit
(Unit Replacement Item)
RDENCA308WJQZ RDENCA308WJQZ No Changes
RDENCA308WJQZ RDENCA308WJQZ No Changes
PAC K I NG PART S
Refer to Parts List.
Service Jigs
Refer to Parts List.
ii
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
LC32D653E
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.
F7101 (3.15A/250V), F7102 (1A/250V),
• 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 1.05 V peak (this corresponds to 0.7 mA peak AC.)
or more is excessive and indicates a potential shock hazard which
must be corrected before returning the monitor to the owner.
F7103 (3.15A/250V) (LC-32/37D653E/D654E)
F7000 (4A/250V), F7001 (4A/250V)
(LC-46D653E/D654E)
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 220~240 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.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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.
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
TO EXPOSED
METAL PARTS
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.
DVM
AC SCALE
1.5k ohm
10W
0.15µF
TEST PROBE
CONNECT TO
KNOWN EARTH
GROUND
iii
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
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:
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.
Lead-free wire solder for servicing
Part No. Description Code
ZHNDAi123250E J φ0.3mm 250g (1roll) BL
ZHNDAi126500E J φ0.6mm 500g (1roll) BK
ZHNDAi12801KE J φ1.0mm 1kg (1roll) BM
iv
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
LC32D653E
CHAPTER 1. ADJUSTMENT PROCEDURE
Service Manual
[1] ADJUSTMENT PROCEDURE
1. Adjustment method after PWB and/or IC replacement due to repair
The unit is set to the optimum at the time of shipment from the factory. If any value should become improper or any adjustment is necessary due to
the part replacement, make an adjustment according to the following procedure.
1. Procure the following units in order to replace the main unit, IC8101.
MAIN UNIT: DUNTKE685FM31 (LC-32D653E)
DUNTKE685FM33 (LC-32D654E)
DUNTKE685FM32 (LC-37D653E)
DUNTKE685FM34 (LC-37D654E)
DUNTKE685FM36 (LC-46D653E)
DUNTKE685FM37 (LC-46D654E)
NOTE: [Caution when replacing ICs in the main unit (IC1504)]
The above ICs are EEPROMs storing the EDID data of HDMI. Before replacing the relevant part, procure the following parts in which the data
have been rewritten.
IC1504 RH-iXC442WJN1S EDID (HDMI)
IC1503 RH-iXC697WJQZS EDID (PC)
IC2003 RH-iXC331WJNNQ UCON (LC-46D653E/D654E)
1 – 1
LC32D653E
CHAPTER 2. 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.
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
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.
2 – 1
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
[2] SCHEMATIC DIAGRAM (LC-32/37D653E/D654E)
MAIN Unit-1
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AND SHADED COMPONENTS=SAFETY RELATED PARTS
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1097654
1311 191816151412 17
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MAIN Unit-2
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-3
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MAIN Unit-4
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
F
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1
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2 – 5
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-5
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1
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MAIN Unit-6
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
F
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1
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1097654
1311 191816151412 17
2 – 7
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-7
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1
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1097654
1311 191816151412 17
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MAIN Unit-8
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
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1
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1097654
1311 191816151412 17
2 – 9
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-9
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1097654
1311 191816151412 17
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MAIN Unit-10
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
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1097654
1311 191816151412 17
2 – 11
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-11
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1
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1097654
1311 191816151412 17
2 – 12
MAIN Unit-12
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
F
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B
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1
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1097654
1311 191816151412 17
2 – 13
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-13
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1097654
1311 191816151412 17
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MAIN Unit-14
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LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
F
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1
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1097654
1311 191816151412 17
2 – 15
LC-32D653E/D654E, LC-37D653E/D654E, LC-46D653E/D654E
MAIN Unit-15
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1311 191816151412 17
2 – 16
MAIN Unit-16
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1311 191816151412 17
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