Sharp LC-15A2U Service Manual Page 1

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LC-15A2U
1
S60B6LC-15A2U
LCD COLOR TELEVISION
SERVICE MANUAL
MODEL
LC-15A2U
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
Page
» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2
» ELECTRICAL SPECIFICATIONS ......................................................................................................... 4
» OPERATION MANUAL ......................................................................................................................... 5
» SUPPLIED ACCESSORIES ................................................................................................................. 6
» OUTLINE DIMENSION FIGURE .......................................................................................................... 7
» DISASSEMBLY OF THE SET ............................................................................................................... 8
» ADJUSTING PROCEDURE OF EACH SECTION ............................................................................... 9
» TROUBLE SHOOTING TABLE ........................................................................................................... 11
» CHASSIS LAYOUT ............................................................................................................................. 14
» BLOCK DIAGRAM .............................................................................................................................. 16
» DESCRIPTION OF SCHEMATIC DIAGRAM ..................................................................................... 18
» SCHEMATIC DIAGRAM ..................................................................................................................... 19
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 26
» PARTS LIST
Ë
ELECTRICAL PARTS..................................................................................................................... 31
MAIN UNIT ..................................................................................................................................... 31
TERMINAL UNIT ............................................................................................................................ 36
SWITCH UNIT ................................................................................................................................ 37
R/C UNIT ........................................................................................................................................ 37
Ë
ACCESSORIES PARTS ................................................................................................................. 37
Ë
PACKING PARTS ........................................................................................................................... 37
Ë
CABINET PARTS LIST................................................................................................................... 38
Ë
CABINET AND MECHANICAL PARTS.......................................................................................... 39
» PACKING OF THE SET ...................................................................................................................... 40
CONTENTS
SERVICE MANUAL LCD COLOR TELEVISION
MODEL LC-15A2U
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
SHARP CORPORATION
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Summary of Contents

Page 1 - SERVICE MANUAL

LC-15A2U1S60B6LC-15A2ULCD COLOR TELEVISIONSERVICE MANUALMODELLC-15A2UIn the interests of user-safety (Required by safety regula-tions in some countrie

Page 2

LC-15A2U103. Cancel of special modeTurn off the main unit power.4. AdjustmentsAdjustment Adjusting conditions Adjusting method1 B+ Adjustment 1. Conne

Page 3 - ECHELLE CA

LC-15A2U11TROUBLE SHOOTING TABLENo picture at allYesNoAre inputs and outputs of IC802 as specified?Check all the settings on the microprocessor’s adju

Page 4 - ELECTRICAL SPECIFICATIONS

LC-15A2U12TROUBLE SHOOTING TABLE (Continued)No picture and soundNo colorNo TV colorNo S-VIDEO colorYesNoDo F3701 and F3702 function?Check all the sett

Page 5 - OPERATION MANUAL

LC-15A2U13TROUBLE SHOOTING TABLE (Continued)No sound from front speakersYesNoIs Pin (53) of IC2001 at “L”?No sound from rear speakersCheck all the set

Page 6 - SUPPLIED ACCESSORIES

14LC-15A2UABCDEFGHIJ12345678910CHASSIS LAYOUTMAIN Unit (Side-A)MAIN Unit (Side-B)

Page 7 - OUTLINE DIMENSION FIGURE

15LC-15A2UABCDEFGHIJ12345678910TERMINAL UnitSWITCH UnitR/C Unit

Page 8 - DISASSEMBLY OF THE SET

LC-15A2U LC-15A2UBLOCK DIAGRAM16-17

Page 9

18LC-15A2UDESCRIPTION OF SCHEMATIC DIAGRAM1. When the exclusive-use AC adapter is used, the colorbar signal of color bar generator for service is inpu

Page 10 - 5. Shipping setting list

19LC-15A2UËSWITCH and R/C UnitABCDEFGHIJ12345678910

Page 11 - TROUBLE SHOOTING TABLE

LC-15A2U LC-15A2U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ20-21å AND SHADED COMPONENTS=SAFETY RELATED PARTSËMAIN Unit -1/2

Page 12 - (Continued)

LC-15A2U2SAFETY NOTICEMany electrical and mechanical parts in LCD televisionhave special safety-related characteristics.These characteristics are ofte

Page 13

LC-15A2U LC-15A2U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ22-23å AND SHADED COMPONENTS=SAFETY RELATED PARTSËMAIN Unit -2/2

Page 14 - CHASSIS LAYOUT

LC-15A2U LC-15A2U1234567891011 12 13 14 15 16 17 18 19 20ABCDEFGHIJ24-25å AND SHADED COMPONENTS=SAFETY RELATED PARTSËTERMINAL Unit

Page 15 - SWITCH Unit

26LC-15A2UABCDEFGHIJ12345678910PRINTED WIRING BOARD ASSEMBLIESMain Unit (Side-A)

Page 16 - BLOCK DIAGRAM

27LC-15A2UMain Unit (Side-B)ABCDEFGHIJ12345678910

Page 17 - LC-15A2U

28LC-15A2UABCDEFGHIJ12345678910Terminal Unit (Side-A)

Page 18 - SWITCH and R/C Unit

29LC-15A2UABCDEFGHIJ12345678910Terminal Unit (Side-B)

Page 19 - MAIN Unit -1/2

30LC-15A2UABCDEFGHIJ12345678910Switch Unit (Side-A)Switch Unit (Side-B)R/C Unit (Side-A)R/C Unit (Side-B)

Page 20 - MAIN Unit -2/2

31Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2UPARTS LISTPARTS REPLACEMENTReplacement parts which have these specia

Page 21

32LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeCAPACITORSC201 VCKYTV1HF104Z J 0.1 50V Ceramic AAC202 VCKYCY1EF104Z

Page 22 - Main Unit (Side-A)

33Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2UC940 VCKYCY1HB152K J 1500p 50V Ceramic AAC941 VCKYCY1HB152K J 1500p

Page 23 - Main Unit (Side-B)

LC-15A2U3SAFETY NOTICEDe nombreuses pièces, électriques et mécaniques, dansles téléviseurs présentent des caractéristiques spécialesrelatives à la séc

Page 24 - Terminal Unit (Side-A)

34LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeR708 VRS-CY1JF272F J 2.7k 1/16W Metal Oxide AAR709 VRS-CY1JF123F J 1

Page 25 - Terminal Unit (Side-B)

35Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2UR1217 VRS-CY1JF101J J 100 1/16W Metal Oxide AAR1218 VRS-CA1JF101J J

Page 26 - R/C Unit (Side-B)

36LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeC3421 VCE9PF1CW106M J 10 16V Electrolytic ACC3422 VCKYCY1EF104Z J 0.

Page 27 - LISTE DES PIECES

37Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2UDUNTKA146DE01TERMINAL PWB UNIT(Continued)J3403 QJAKE0200CE04 J Jack,

Page 28

38LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code1 CCABA2402CE02 J Cabinet A Ass'y BF1-1 – Cabinet A —1-2 GCOVA1

Page 29

39Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2UABCDEFGH123456CABINET AND MECHANICAL PARTS27373330451514166127212130

Page 30

40LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code★ Not Replacement ItemPACKING OF THE SETAC Cord QACCD3088CEZZAC Adap

Page 31

41Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2U- M E M O -

Page 32

42LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description Code- M E M O -

Page 33

43Ref. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeLC-15A2U

Page 34

LC-15A2U4ELECTRICAL SPECIFICATIONSPower input ...DC 12V (Receiver)

Page 35 - CABINET AND MECHANICAL PARTS

44LC-15A2URef. No. Part No. ★ Description CodeRef. No. Part No. ★ Description CodeSHARP CORPORATIONAV Systems GroupQuality & Reliability Control C

Page 36 - PACKING OF THE SET

LC-15A2U5OPERATION MANUALPower/standby indicatorA green indicator lights when the power is on and a red indicatorlights when in the standby mode (the

Page 37 - - M E M O

LC-15A2U6SUPPLIED ACCESSORIESOperation Manual (×1) Wireless Remote Control (×1)AC CordAntenna CableSize AAA Dry Battery (×2)AC Adapter (×1)LCD COLOR T

Page 38

LC-15A2U7OUTLINE DIMENSION FIGURE3/64 (1.5)13-3/8 (341.4)12-3/32 (310.6)5-7/16 (138.7)ø 8-1/16 (205.0)9-3/32 (231.1)12-3/32 (307.4)14-1/8 (359.0)14-1/

Page 39

LC-15A2U8DISASSEMBLY OF THE SET1. Insert your finger into the center of the terminal coverand pull it toward you to detach the terminal cover.2. Remov

Page 40

LC-15A2U9ADJUSTING PROCEDURE OF EACH SECTIONThe best adjustment is made before shipping. If any position deviation is found or after part replace is p

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