Sharp 27U-F810 Manuale di Servizio

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27U-F500
27U-F810
SHARP CORPORATION
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
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.
COLOR TELEVISION
Chassis No. MS-B
Page
» ELECTRICAL SPECIFICATIONS .........................................................................................................1
» IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2
» LOCATION OF USER'S CONTROL .....................................................................................................4
» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................6
» SERVICE ADJUSTMENT ...................................................................................................................10
» CHASSIS LAYOUT .............................................................................................................................13
» BLOCK DIAGRAM ..............................................................................................................................15
» SCHEMATIC DIAGRAMS ...................................................................................................................17
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................37
» REPLACEMENT PARTS LIST ............................................................................................................43
» PACKING OF THE SET ......................................................................................................................57
CONTENTS
SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
VOICE COIL IMPEDANCE............................... 8 ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF ..................................................... 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ...............................................................2 thru 13
UHF-Channels ............................................................14 thru 69
CATV Channels ...........................................................1 thru 125
(EIA, Channel Plan U.S.A.)
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 152W
PICTURE SIZE ....................................... 2,193.5 cm
2
(339sq inch)
CONVERGENCE ............................................................. Magnetic
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 45.75 MHz
Sound IF Carrier Frequency ...................................... 41.25 MHz
Color Sub-Carrier Frequency .................................... 42.17 MHz
(Nominal)
AUDIO POWER
OUTPUT RATING .............. 5.0W + 5.0W (at 10% distortion and
Dual CH Operate)
Specifications are subject to change without
prior notice.
ELECTRICAL SPECIFICATIONS
MODELS
SERVICE MANUAL
27U-F500
27U-F810
S42H327U-F500
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Sommario

Pagina 1 - SERVICE MANUAL

27U-F50027U-F810SHARP CORPORATIONThis document has been published to be used for aftersales service only.The contents are subject to change without no

Pagina 2

1027U-F50027U-F810SERVICE ADJUSTMENTRF AGC Adjustment1. Receive a good local channel.2. Enter the service mode and select the serviceadjustment "

Pagina 3 - (Fire & Shock Hazard)

1127U-F50027U-F810Focus Adjustment1. Receive a good local channel.2. Adjust the VR-1 (upper knob) and VR-2 (middle knob)of the flyback transformer to

Pagina 4 - (27U-F500)

1227U-F50027U-F810ËP-IN-P ADJUSTMENT (Only for 27U-F810)ËMTS ADJUSTMENTMTS Level Adjustment1. Set the sound volume above 1.Monoral signal: 400Hz, 100

Pagina 5 - (27U-F810)

1327U-F50027U-F810654321ABCDEFGHMODEL 27U-F500 CHASSIS LAYOUT

Pagina 6 - HIGH VOLTAGE CHECK

1427U-F50027U-F810654321ABCDEFGHMODEL 27U-F810 CHASSIS LAYOUT

Pagina 7

1527U-F50027U-F810654321ABCDEFGHMODEL 27U-F500 BLOCK DIAGRAM

Pagina 8 - INITIAL VALUE

1627U-F50027U-F810654321ABCDEFGHMODEL 27U-F810 BLOCK DIAGRAM

Pagina 9

1727U-F50027U-F810DESCRIPTION OF SCHEMATIC DIAGRAMNOTES:1. The unit of resistance "ohm" is omitted.(K=kΩ=1000Ω, M=MΩ)2. All resistors are

Pagina 10 - SERVICE ADJUSTMENT

1827U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F500 SCHEMATIC DIAGRAM: MAIN-1 Unit

Pagina 11 - 27U-F810

1927U-F50027U-F8101716 1918151413121110

Pagina 12 - MTS ADJUSTMENT

227U-F50027U-F810IMPORTANT SERVICE SAFETY PRECAUTIONËService work should be performed only by qualified service technicians who arethoroughly familiar

Pagina 13 - MODEL 27U-F500 CHASSIS LAYOUT

2027U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F500 SCHEMATIC DIAGRAM: MAIN-2 Unit

Pagina 14 - MODEL 27U-F810 CHASSIS LAYOUT

2127U-F50027U-F8101716 1918151413121110

Pagina 15 - MODEL 27U-F500 BLOCK DIAGRAM

2227U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F810 SCHEMATIC DIAGRAM: MAIN-1 Unit

Pagina 16 - MODEL 27U-F810 BLOCK DIAGRAM

2327U-F50027U-F8101716 1918151413121110

Pagina 17 - WAVEFORMS

2427U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F810 SCHEMATIC DIAGRAM: MAIN-2 Unit

Pagina 18

2527U-F50027U-F8101716 1918151413121110

Pagina 19 - 1716 1918151413121110

2627U-F50027U-F81087109654321AB CDEFGHSCHEMATIC DIAGRAM: AV Unit

Pagina 20

2727U-F50027U-F8101716 1918151413121110

Pagina 21

2827U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F500 SCHEMATIC DIAGRAM: MTS MODULE Unit

Pagina 22

2927U-F50027U-F8101716 1918151413121110

Pagina 23

327U-F50027U-F810SAFETY NOTICEMany electrical and mechanical parts in televisionreceivers have special safety-related characteristics.These characteri

Pagina 24

3027U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F810 SCHEMATIC DIAGRAM: MTS MODULE Unit

Pagina 25

3127U-F50027U-F8101716 1918151413121110

Pagina 26 - SCHEMATIC DIAGRAM: AV Unit

3227U-F50027U-F81087109654321AB CDEFGHMODEL 27U-F810 SCHEMATIC DIAGRAM: P-IN-P Unit

Pagina 27

3327U-F50027U-F8101716 1918151413121110

Pagina 28

3427U-F50027U-F810654321ABCDEFGHSCHEMATIC DIAGRAM: CRT Unit

Pagina 29

3527U-F50027U-F810654321ABCDEFGHSCHEMATIC DIAGRAM: DF MODULE Unit

Pagina 30

3627U-F50027U-F810654321ABCDEFGHMODEL 27U-F810 SCHEMATIC DIAGRAM: 2-TUNER Unit

Pagina 31

3727U-F50027U-F810654321ABCDEFGHPWB-S: MTS MODULE Unit (Wiring Side)PWB-B: CRT Unit (Wiring Side)PWB-S: MTS MODULE Unit (Chip Parts Side)PRINTED WIRIN

Pagina 32

3827U-F50027U-F810654321ABCDEFGHPWB-A: MAIN Unit (Wiring Side)

Pagina 33

3927U-F50027U-F810654321ABCDEFGHPWB-A: MAIN Unit (Chip Parts Side)

Pagina 34 - SCHEMATIC DIAGRAM: CRT Unit

427U-F50027U-F810LOCATION OF USER'S CONTROL(27U-F500)POWER MENU – VOL + CH PULL-OPENPOWER MENU – VOL + CH Front PanelPOWERPress → On.Press

Pagina 35

4027U-F50027U-F810654321ABCDEFGHPWB-C: AV Unit (Chip Parts Side)PWB-C: AV Unit (Wiring Side)

Pagina 36

4127U-F50027U-F810654321ABCDEFGHPWB-R: P-IN-P Unit (Wiring Side)(Only for 27U-F810)PWB-R: P-IN-P Unit (Chip Parts Side)(Only for 27U-F810)

Pagina 37 - PWB-B: CRT Unit (Wiring Side)

4227U-F50027U-F810654321ABCDEFGHPWB-K: 2-TUNER Unit (Wiring Side)(Only for 27U-F810)PWB-H: DF MODULE Unit (Wiring Side)

Pagina 38

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4327U-F50027U-F810PICTURE TUBE★ MARK: SPARE PARTS-DELIVERY SECTION' MA

Pagina 39

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4427U-F50027U-F810PWB-A: DUNTKA526WED0(27U-F500)PWB-A: DUNTKA526WEC8(27U-F810

Pagina 40 - PWB-C: AV Unit (Wiring Side)

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4527U-F50027U-F810PWB-A: DUNTKA526WED0(27U-F500)PWB-A: DUNTKA526WEC8(27U-F810

Pagina 41 - (Only for 27U-F810)

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4627U-F50027U-F810PWB-A: DUNTKA526WED0(27U-F500)PWB-A: DUNTKA526WEC8(27U-F810

Pagina 42

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4727U-F50027U-F810PWB-A: DUNTKA526WED0(27U-F500)PWB-A: DUNTKA526WEC8(27U-F810

Pagina 43 - PARTS LIST

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4827U-F50027U-F810PWB-A: DUNTKA526WED0(27U-F500)PWB-A: DUNTKA526WEC8(27U-F810

Pagina 44 - MAIN UNIT (Continued)

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code4927U-F50027U-F810LX-BZ3049GEFD J Screw AALX-BZ3100CEFD J Screw AALX-HZ3007ME

Pagina 45 - MAIN UNIT(Continued)

527U-F50027U-F810LOCATION OF USER'S CONTROL(27U-F810)POWER MENU – VOL + CH PULL-OPENAV-2 INVIDEO(MONO)L-AUDIO-RPOWER MENU – VOL + CH Front

Pagina 46

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5027U-F50027U-F810PWB-B: DUNTKA527WEB4CRT UNIT(Continued)R875 VRD-RM2HD184J J

Pagina 47

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5127U-F50027U-F810PWB-C: DUNTKA602WEA1AV UNIT(Continued)C1910 VCEA0A1HW105M J

Pagina 48

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5227U-F50027U-F810PWB-H: DUNTKB225WEA2DF MODULE UNITINTEGRATED CIRCUITSIC1680

Pagina 49 - PWB-B: DUNTKA527WEB4

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5327U-F50027U-F810PWB-K: DUNTKB223WEA0(27U-F810)2-TUNER UNITTUNERNOTE: THE PA

Pagina 50 - [EL.··· Electrolytic]

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5427U-F50027U-F810PWB-R: DUNTKA533WEA1(27U-F810)P-IN-P UNIT(Continued)C1863 V

Pagina 51 - [M-Ox.··· Metal Oxide]

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5527U-F50027U-F810PWB-S: DUNTKB224WEA2(27U-F500)PWB-S: DUNTKB224WEA0(27U-F810

Pagina 52

Ref. No. Part No. ★ Description Code Ref. No. Part No. ★ Description Code5627U-F50027U-F810MISCELLANEOUS PARTSåACC701QACCD3065CESA J AC Cord(AC120V, 6

Pagina 53

5727U-F50027U-F810PACKING OF THE SET★ Packing Case★ MARK : Not replacement items.FRONT★Buffer Material★ Polyethylene Sheet★ Polyethylene BagOperation

Pagina 54

27U-F50027U-F810COPYRIGHT © 2002 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part of this publication may be reproduced,stored in a retrieval system, o

Pagina 55

627U-F50027U-F810CIRCUIT PROTECTIONThe receiver is protected by a 4.0A fuse (F701),mounted on PWB-A, wired into one side of the ACline input.X-RADIATI

Pagina 56 - CABINET PARTS LOCATION

727U-F50027U-F810Figure A.V0102CHANNELSERVICE ADJUSTMENT NUMBERDATA NUMBERFor adjustments of this model, the bus data is converted to various analog s

Pagina 57 - PACKING OF THE SET

827U-F50027U-F810SERVICE NUMBERDATAADJUSTMENT ITEMINITIAL VALUERANGEADJUSTMENT CONTENTSTable - AV01 PICTURE 3(03h) 0-15(00h-0Fh)V02 TINT 62(3Eh) 0-127

Pagina 58

927U-F50027U-F810SERVICE NUMBERDATAADJUSTMENT ITEMINITIAL VALUERANGEADJUSTMENT CONTENTSD06 V-S CORRECTION 8(08h) 0-15(00h-0Fh) Must be set to “08”D07

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