Sharp 27SC26BQ Wartungshandbuch

This document has been published to be used for aftersales service only.The contents are subject to change without notice.In the interests of user-saf

10no. Item. DATA REG Range Remark Revision / ChangeV31 SHPG-YUV FIXV-TONE[02h D3]0 / 1 1V32 YDL-YUV FIXY-Delay[06h D2…D0]0 … 7 1V33 CrDL-FINE-YUV FIXC

11no. Item. DATA REG Range Remark Revision / ChangeV66 BRIGHT-OFF-AV FIXBRIGHT(OFFSET)[0Ah D7…D0]-63 … +63-5V67 CON-OFF-AV FIXCONTRAST(OFFSET)[05h D6…

12D. OptionModel27SC—O 01 SPEAKER 1O 02 FAO 1O 03 VIEW TIMER 1O 04 PON-CH 1O 05 FAV-COL 1O 06 AV3/COMPONENT 1O 07 AV 1O 08 AV2 1O 09 MTS 1O 10 TONE-CT

13SERVICE ADJUSTMENTH-VCO ADJ (I2C BUS CONTROL) (Auto &Manual Adj)• Manual Adj.1. In No Signal (RASTER) condition.2. Go to service mode, choose s

14Sub-Tint Adjustment1. Receive the half color bar signal.• RF INPUT (TU1101)2. Get into Y-Mute by R/C, or by setting the "V95" busdata to &

15Vertical-Size and Linearity Adjustments1. Receive a good local channel.(SCREEN FORMAT 4:3)2. Enter the service mode and select the serviceadjustment

16CHASSIS LAYOUT27SC26BQ

17BLOCK DIAGRAM27SC26BQ

18DESCRIPTION OF SCHEMATIC DIAGRAMSNOTES:1. The unit of resistance "ohm" is omitted.(K=kW=1000W, M=MW)2. All resistors are 1/16 watt, unl

1987109654321AB CDEFGHSCHEMATIC DIAGRAM: CRT Unit27SC26BQ

2IMPORTANT SERVICE SAFETY PRECAUTIONËService work should be performed only by qualified service technicians who arethoroughly familiar with all safety

2087109654321AB CDEFGHSCHEMATIC DIAGRAM: MAIN-1 Unit27SC26BQDUNTKD872WEA1

211716 191815141312111027SC26BQ

2287109654321AB CDEFGHSCHEMATIC DIAGRAM: MAIN-2 Unit27SC26BQ

231716 191815141312111027SC26BQ

2487109654321AB CDEFGHSCHEMATIC DIAGRAM: 2-LINE Y/C Unit27SC26BQ

251716 191815141312111027SC26BQ

2687109654321AB CDEFGHPRINTED WIRING BOARD ASSEMBLIESPWB-A: MAIN Unit (Wiring Components Side)27SC26BQ

271716 191815141312111027SC26BQ

2887109654321AB CDEFGHPWB-A: MAIN Unit (Components side)27SC26BQ

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3SAFETY NOTICEMany electrical and mechanical parts in televisionreceivers have special safety-related characteristics.These characteristics are often

3087109654321AB 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)27SC26BQ

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

PWB-A: DUNTKD872WEA1MAIN UNITRef. No. Part No.  Description CodeS U D653 VHDHSS4148+-1Y X Diode AAS U D654 VHDHSS4148+-1Y X Diode AAU D673 RH-DXA0

PWB-A: DUNTKD872WEA1MAIN UNITCAPACITORS [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]Ref. No. Part No.  Description CodeU C703 RC-KZ0092GE

PWB-A: DUNTKD872WEA1MAIN UNITCAPACITORS [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]RESISTORS[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]

PWB-A: DUNTKD872WEA1MAIN UNITRESISTORS[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]Ref. No. Part No.  Description CodeR503 VRS-CY1JF101JY X 100 1/16W

PWB-A: DUNTKD872WEA1MAIN UNITRESISTORS[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]Ref. No. Part No.  Description CodeR905 VRS-CY1JF104JY X 100k 1/16

PWB-A: DUNTKD872WEA1MAIN UNITRESISTORS[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]Ref. No. Part No.  Description CodeR3036 VRS-CY1JF102JY X 1k 1/16W

PWB-D: DUNTKB572WEA12-LINE Y/C UNITCAPACITORS [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]PWB-B: DUNTKB568WEA0CRT UNITRESISTORS[M-Ox.··· M

MISCELLANEOUS PARTSCABINET PARTS1-31-41-51-1 11-22Ref. No. Part No.  Description CodeVSP9050PB35WA X Speaker (L) AHVSP9050PB35WA X Speaker (R) AHQCNW

4Precautions for using lead-free solder1 Employing lead-free solder"PWBs" of this model employs lead-free solder. The LF symbol indicates le

40PACKING OF THE SETFRONTREARUse tape tofix the top side ofpacking case.Use 12 staples tofix the bottom sideof packing case.27SC26BQ

41- M E M O -27SC26BQ

COPYRIGHT © 2007 BY SHARP CORPORATIONNo part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or by any m

5LOCATION OF USER'S CONTROLFront PanelVOLUME UP/DOWN (k) Increases sound.(l) Decreases sound.CHANNEL UP/DOWN(a) Selects next higher channel.(s)

6CIRCUIT 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 CIR

7For 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 adj

8A. Deflectionno. Item. DATA REG Range Remark Revision / ChangeD01 V-SHIFT FIXV-SHIFT[13h D2…D0]0 … 7 0D02 H-SHIFT ADJH-PHASE[16h D4…D0]0 … 31 H-PHASE

9B. VideoTV-Picture-AdjDTV-Picture-Adjno. Item. DATA REG Range Remark Revision / ChangeV01 SUB-CON ADJCONTRAST[05h D6…D0]0 … 127PIC.DTVV02 SUB-TINT AD