Sharp LC-42RD2EA User manual

OUTLINE AND MODIFIED PARTS LIST
OUTLINE.............................................................i
MODIFIED PARTS LIST .....................................i
CHAPTER 1. WIRING DIAGRAM
[1] WIRING DIAGRAM ........................................ 1-1
CHAPTER 2. SCHEMATIC DIAGRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................2-1
[2] SCHEMATIC DIAGRAM ................................2-2
Parts Guide
SERVICE MANUAL
LC-42RD2EA/SA/RUA
No. S97P8LC42RD2A
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.
TopPage
CONTENTS
LCD COLOUR TELEVISION
LC-42RD2EA/SA/RUA
MODELS
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
This Service Manual covers the differences from LC-42RD2E/S/RU. For other technical information, refer to the
LC-42RD2E/S/RU (No. S37C2LC42RD2E) Service Manual.
OUTLINE

LC-42RD2EA/SA/RUA
i
Service Manual
OUTLINE AND MODIFIED PARTS LIST
OUTLINE
This Service Manual covers the differences from LC-42RD2E/S/RU.
For other technical information, refer to the LC-42RD2E/S/RU (No. S37C2LC42RD2E) Service Manual.
MODIFIED PARTS LIST
Ref. No. Description LC-42RD2E/S/RU (Base Model) LC-42RD2EA/SA/RUA Remark
PRINTED WIRING BOARD ASSEMBLIES (NOT REPLACEMENT ITEM)
N D-TUNER Unit DUNTKD984FM01 DUNTKD984FM01 No Changes
N R/C LED Unit DUNTKD909FM05 DUNTKD909FM05 No Changes
N SIDE TERMINAL Unit DUNTKE099FM01 DUNTKE099FM01 No Changes
N KEY Unit DUNTKD910FM01 DUNTKD910FM01 No Changes
N AV Unit DUNTKD604FM26 DUNTKD604FM26 No Changes
N DIGITAL Unit DUNTKD628FM18 DUNTKD628FM18 No Changes
N MAIN Unit DUNTKD981FM03 DUNTKD981FM04 Changes
N POWER Unit RDENCA209WJQZ RDENCA209WJQZ No Changes
LCD PANEL (NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.)
N 42 LCD PANEL MODULE R1T420XW01++A R1LK420T3LZ20Y Changes
DUNTKD981FM04 (MAIN Unit)
C1787 Capacitor 100p 50V Ceramic - VCCCCY1HH101JY Add.
C1791 Capacitor 100p 50V Ceramic - VCCCCY1HH101JY Add.
C2381 VCKYTV1CB105KY - Delete
C2382 VCKYCY1HB102KY - Delete
C3303 Capacitor 1 6.3V Ceramic VCKYCZ1CF104ZY RC-KZA146WJZZY Change
FB2381 RBLN-A215WJZZY - Delete
FB2382 RBLN-A215WJZZY - Delete
IC2362 VHiTC7W66U/-1Y - Delete
LUG1710 Lug - QLUGZA002WJZZY Add.
P2381 QPLGNA173WJZZY - Delete
R2329 VRS-CY1JF000JY - Delete
R2373 VRS-CY1JF101JY - Delete
R2374 VRS-CY1JF000JY - Delete
CABUNET PARTS
Refer to Parts List.
SUPPLIED ACCESSORIES
Refer to Parts List.
Packing Parts
Refer to Parts List.
SERVICE JIGS
Refer to Parts List.

LC-42RD2EA/SA/RUA
1 – 1
Service Manual
CHAPTER 1. WIRING DIAGRAM
[1] WIRING DIAGRAM
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A
B
C
D
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F
G
H
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WIRING DIAGRAM
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LC-42RD2EA/SA/RUA
2 – 1
Service Manual
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.
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.

LC-42RD2EA/SA/RUA
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[2] SCHEMATIC DIAGRAM
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MAIN Unit-1
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MAIN Unit-2
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MAIN Unit-3
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MAIN Unit-4
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2 – 6
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MAIN Unit-5
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2 – 7
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MAIN Unit-6
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