Sharp 27SC260 Manuel de service

SHARP CORPORATIONThis document has been published to be used for aftersales service only.The contents are subject to change without notice.In the inte

Sub-Tint Adjustment1. Receive the half color bar signal.• RF INPUT (TU1101)2. Get into Y-Mute by R/C, or by setting the "V11" busdata to &qu

ËMTS ADJUSTMENTMTS Level Adjustment1. Set the sound volume above 1.Monoral signal: 400Hz, 100% modulation2. Confirm "EX4" data is "5Ah

CHASSIS LAYOUT27SC26012

BLOCK DIAGRAM27SC26013

DESCRIPTION OF SCHEMATIC DIAGRAMSNOTES:1. The unit of resistance "ohm" is omitted.(K=kW=1000W, M=MW)2. All resistors are 1/16 watt, unles

654321ABCDEFGHSCHEMATIC DIAGRAM: CRT Unit1527SC260

ABCDEFGH10987654321SCHEMATIC DIAGRAM: MAIN-1 Unit1627SC260

1716 19181514131211101727SC260

ABCDEFGH10987654321SCHEMATIC DIAGRAM: MAIN-1 Unit1827SC260

1716 19181514131211101927SC260

IMPORTANT SERVICE SAFETY PRECAUTIONËService work should be performed only by qualified service technicians who arethoroughly familiar with all safety

ABCDEFGH10987654321SCHEMATIC DIAGRAM: MAIN-1 Unit2027SC260

1716 19181514131211102127SC260

87109654321AB CDEFGHPRINTED WIRING BOARD ASSEMBLIESPWB-A: MAIN Unit (Wiring Components Side)27SC26022

1716 191815141312111027SC26023

87109654321AB CDEFGHPWB-A: MAIN Unit (Components side)27SC26024

1716 191815141312111027SC26025

87109654321AB CDEFGHPWB-D: 2-LINE Y/C Unit (Wiring Side)PWB-B: CRT Unit (Wiring Side)PWB-D: 2-LINE Y/C Unit (Chip Parts Side)27SC26026

PRINTED WIRING BOARD ASSEMBLIESPARTS LISTPARTS REPLACEMENTReplacement parts which have these special safety characteristicsidentified in this manual;

PWB-A: DUNTKD571WEA6MAIN UNITCAPACITORS [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]Ref. No. Part No.  Description CodeD454 RH-EX0628GEZZ

PWB-A: DUNTKD571WEA6MAIN UNITRef. No. Part No.  Description CodeC436 VCKYCY1CF104ZY X 0.1 16V Ceramic AAC437 VCKYCY1CF104ZY X 0.1 16V Ceramic AAC438

SAFETY NOTICEMany electrical and mechanical parts in televisionreceivers have special safety-related characteristics.These characteristics are often n

PWB-A: DUNTKD571WEA6MAIN UNITCAPACITORS [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]Ref. No. Part No.  Description CodeC1108 VCKYCY1CF104

PWB-A: DUNTKD571WEA6MAIN UNITRESISTORS[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]Ref. No. Part No.  Description CodeR446 VRS-CY1JF332JY X 3.3k 1/16

PWB-A: DUNTKD571WEA6MAIN UNITRef. No. Part No.  Description CodeR935 VRS-CY1JF101JY X 100 1/16W M-Ox. AAR936 VRS-CY1JF223JY X 22k 1/16W M-Ox. AAR937

PWB-A: DUNTKD571WEA6MAIN UNITRef. No. Part No.  Description CodeR2501 VRS-CY1JF183JY X 18k 1/16W M-Ox. AAR2502 VRS-CY1JF183JY X 18k 1/16W M-Ox. AAR25

PWB-B: DUNTKB568WEV0CRT UNITPWB-D: DUNTKB572WEV02 LINE Y/C UNITRESISTORS[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]CAPACITORS [EL.··· Electrolytic,

MISCELLANEOUS PARTSSUPPLIED ACCESSORIESRef. No. Part No.  Description CodeSP1 VSP9050PB35WA X Speaker (L) AGSP2 VSP9050PB35WA X Speaker (R) AGQCNW-01

PACKING OF THE SETFRONTPacking FoamPacking CaseREARUse tape tofix the top side ofpacking case.Use 12 staples tofix the bottom sideof packing case.27SC

27SC26037

27SC260COPYRIGHT © 2006 BY SHARP CORPORATIONNo part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or b

TVENTERVOLUME UP/DOWN (+) Increases sound.(–) Decreases sound.CHANNEL UP/DOWN() Selects next higher channel.() Selects next lower channel.VIDEO/AUDIO

CIRCUIT PROTECTIONThe receiver is protected by a 4.0A fuse (F701),mounted on PWB-A, wired into one side of the ACline input.X-RADIATION PROTECTOR CIRC

For adjustments of this model, the bus data is converted to various analog signals by the D/A convertercircuit.Note: There are still a few analog adju

V01 PICTURE 0-15 (00h-0Fh) 08 (08h)V02 TINT 0-127 (00h-7Fh) 66 (42h)V03 COLOR 0-127 (00h-7Fh) 56 (38h)V05 BRIGHT 0-127 (00h-7Fh) 64 (40h)V06 R CUT-OFF

SERVICE NUMBERDATAADJUSTMENT ITEMINITIAL VALUENOTES FIXED VALUE(HEX)RANGEEX1 FAO VOLUME 0-50 (00h-32h) 36 (24h) 24EX2 CC-POSITION 0-127 (00h-7Fh) 27 (

SERVICE ADJUSTMENTRF AGC Adjustment1. Receive a good local channel.2. Enter the service mode and select the serviceadjustment "R01".3. Set t