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21LF-90S

ELECTRICAL SPECIFICATIONS

                                            WARNING

The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug
and power receptacle, when servicing this chassis.
To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to
qualified service personnel.

Specifications are subject to change without prior notice.

AREA

21”

A

0.3

BC

1.0

DE

1.0

FGHJ

1.3

KLMN

1.2

F’G’H’J’

1.2

STUV

1.1

Picture Intermediate frequency

L’ ................................................ 33.9MHz
L, B/G, D/K .............................. 38.9MHz

Sound  Carrier Trap

L’ ................................................ 40.4MHz
L, D/K ......................................... 32.4MHz
B/G ............................................ 33.4MHz

Adjacent Sound Carrier Trap

L’ ................................................ 32.4MHz
L, D/K, B/G ................................ 40.4MHz

Adjacent  Picture  Carrier Trap

L’ ................................................ 41.9MHz
L, D/K ...................................... 30.9MHz
B/G ............................................ 31.9MHz

Aerial Input Impedance

VHF/UHF ................. 75 ohm Unbalanced

Tuning Ranges ..... 48.25MHz thru 855.25 MHz

VHF: S1 - S41 CH (Hiperband)
         E2 - E12 / F2 - F10
UHF: E21 - E69

Power Input .................... 220V-240 Volts AC 50 Hz

Power Consumption

Normal Operation (Method IEC60107) .............. 62 W
Stand-by Operation .......................................... < 3 W

Audio Power Output Rating (MPO) / Impedance

Internal Left Speaker ................................. 4 W, 16 

Internal Right Speaker ............................... 4 W, 16 

Speakers

Speaker elliptic (2 pcs) .......................... 50 x  120 mm

Convergence (Maximum Misconvergence)

White Level

Apply the rated voltage at the rated frequency to the TV set, while it is receiving full white pattern RF signal of 60
dB/µV from its RF input via the pattern generator.
Turn all picture controls to maximum value. Measure the colour temperatures at the center of the screen by
using the colour analyzer.

X=0.290 ± 0.015         Y=0.300 ± 0.015

mm

MODEL  DESTINATION (Operation Manual Languages)

21LF-90S: 

 Deutsch, Français, Nederlands.

Содержание 21LF-90S

Страница 1: ... and only parts identi cal to those specified should be used SHARP CORPORATION CONTENTS ELECTRICAL SPECIFICATIONS 3 IMPORTANT SERVICING NOTES 4 CONTROLS TERMINALS 5 PRINTED WIRING BOARD LAYOUT 6 PARTS LISTING 7 HOW TO UPDATE THE TECHNICAL INFORMATION 11 MODEL 21LF 90S SE0021LF90S00 Issued 16th Feb 2004 PAL B G SECAM L L B G D K SYSTEM COLOUR TELEVISION In order to service the model 21LF 90S refer ...

Страница 2: ...f only part number changes are required just change part number directly the part number in the Parts Listing Section If you need more information please refer to the Technical Report Bulletin SERVICE MANUAL UPDATE LOG SHEET Part No Technical Report No Technical Bulletin No Cause Solution Page No Application Data Serial No ...

Страница 3: ... B G 31 9MHz Aerial Input Impedance VHF UHF 75 ohm Unbalanced Tuning Ranges 48 25MHz thru 855 25 MHz VHF S1 S41 CH Hiperband E2 E12 F2 F10 UHF E21 E69 Power Input 220V 240 Volts AC 50 Hz Power Consumption Normal Operation Method IEC60107 62 W Stand by Operation 3 W Audio Power Output Rating MPO Impedance Internal Left Speaker 4 W 16 Ω Internal Right Speaker 4 W 16 Ω Speakers Speaker elliptic 2 pcs...

Страница 4: ...us x ray radiation levels This is a problem when in close proximity to the receiver for long periods of time To reduce any risks associated with this please observe the following precautions 1 When undertaking any servicing on this chassis DO NOT increase the EHT to more than 30 0 KV at a instantaneous beam current of 1300 µA 2 Ensure that during normal operation the EHT does not exceed 25 55 KV a...

Страница 5: ...V RGB 13 Yellow Feature Menu 14 Blue Installation Menu 15 Hold 16 Update 17 Index Page 18 Reveal 19 Expand 20 Mix 21 Teletext 22 Time 23 Red Sound Menu 24 Green Picture Menu 25 Mute 26 I II Mono Stereo Dual I II 27 Volume 28 P CH Program 29 Flash back button 30 M Menu 31 Cursor Down 32 Cursor Left CH MENU Speakers left right Power On Off Volume CH Program MENU Menu VIDEO VCR AUDIO L Audio left AUD...

Страница 6: ...6 21LF 90S CHASSIS LAYOUT Mother Unit CRT Unit Headphone Unit ...

Страница 7: ...AB D906 30001349 DIODE ZENER 11V AA AB PACKAGED CIRCUITS X100 30002852 XTAL REZ 455KHZ AA AD X401 30001749 XTAL 4 433619 MHZ AK15 AC AK X402 30015592 XTAL 3 579545 WO LOAD CAP AB AG X403 30000074 CAP MKT 100NF 63V J AA AC X501 30002851 XTAL 4MHZ L C 30PF AC AH X700 30001756 XTAL 18 432MHZ AE AP COILS L1001 30001996 FIXED COIL 22UH Q40 K AA AB L1002 30001996 FIXED COIL 22UH Q40 K AA AB L101 3001341...

Страница 8: ... CAP EL 10UF 50V M AA AB C736 30000345 CAP EL 10UF 50V M AA AB C737 30000371 CAP EL 22UF 50V M AA AB REF No PARTS DESCRIPTION SN CODE EX CODE C738 30000371 CAP EL 22UF 50V M AA AB C801 30000094 CAP MKT SAFE 220NF 275V M AC AA AB C802 30000094 CAP MKT SAFE 220NF 275V M AC AA AB C803 30000433 CAP CER 1NF 1KV M B AA AB C805 30018085 CAP VAR SAFE 510V K MFCN14D511 AA AD C806 30000433 CAP CER 1NF 1KV M...

Страница 9: ...A AA PL100 30018454 CONN HEADER 2P 2 5MM TOP BLACK AA AA PL100 30027658 CNAS 2P 3P 300 W C BLK WHT UL1007AWG24 AB AF PL101 30015053 SOCKET SCART NEW TYPE AB AF PL105 30001830 CONN HEADER 2P 2 5MM TOP BLUE SD AA AB PL107 30001835 CONN HEADER 3P 2 5MM TOP WHT SD AA AB PL109 30015192 CONN HEADER 2P 2 5MM TOP YELLOW SD AA AA PL110 30001830 CONN HEADER 2P 2 5MM TOP BLUE SD AA AB PL110 30027659 CNAS 2P ...

Страница 10: ...35000158 NUT C ZN BOTTOM M3 AA AB 35000165 KNURL WASHER C ZNSY 3 6 04 M3 AA AB 35000180 SCREW C ZN YSMB M3 6 AA AA 35000181 SCREW C ZN YSMB M3 8 AA AB 35000182 SCREW C ZN YSMB M3 10 AA AA 35000224 SCREW C SK ZN YFMB 2 9 9 5 AA AB 35004572 SCREW P C AgSYF YSB 4x20 AA AB 35005084 SCREW C ZN RYAKB 6x30 AA AB 35005418 SCREW P C ZN YSB 3 5x10 KN1031 T35X10 AA AA 35008081 SCREW P C ZN YFMB 3 9 5 AA AA 3...

Страница 11: ... www vestelservice com 2 Select Technical Support 3 Login 101278 4 Password SHPII278 By this access you can consult the latest schematic diagram or request the Parts Listing of a concrete Production Date Serial Number By this way it can be also consulted the issued Technical Reports Service Bulletins ...

Страница 12: ...cal photocopying recording or otherwise without prior written permission of the publisher Technical information and Production Vestel Electronik AS Technical information re issued SHARP ELECTRONICA ESPAÑA S A Service Manual Group Engineering Dept Polígono Industrial Can Sant Joan 08190 Sant Cugat del Vallès Barcelona Spain Think Ecology please use RECYCLED PAPER ...

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