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25L-M100/180/S100/180
CL25M10,CL25S18

SERVICE MANUAL

COLOR TELEVISION

Chassis No. SN-91

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.

S49F325L-M100

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 ELECTRICAL SPECIFICATIONS ........................................................................................................ 1

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 IMPORTANT SERVICE SAFETY PRECAUTION ............................................................................... 2

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 LOCATION OF USER'S CONTROL .................................................................................................... 6

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 INSTALLATION AND SERVICE INSTRUCTIONS ............................................................................ 10

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 CHASSIS LAYOUT ........................................................................................................................... 16

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 BLOCK DIAGRAM ............................................................................................................................ 18

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 SCHEMATIC DIAGRAMS ................................................................................................................. 20

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 PRINTED WIRING BOARD ASSEMBLIES ....................................................................................... 38

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 REPLACEMENT PARTS LIST .......................................................................................................... 41

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 PACKING OF THE SET ..................................................................................................................... 49

Page

25L-S100/180
CL25S18

25L-M100/180
CL25M10

SHARP CORPORATION

This document has been published to be used for after
sales service only.
The contents are subject to change without notice.

CONTENTS

25L-M100/180, 25L-S100/180
CL25M10, CL25S18

MODELS

ELECTRICAL SPECIFICATIONS

POWER INPUT ................................................... 120 V  AC 60 Hz
POWER RATING

25L-M100/180, CL25M10 ................................................. 105 W
25L-S100/180, CL25S18 .................................................. 110 W

PICTURE SIZE ........................................... 2,032cm

2

 (315sq 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

25L-M100/180, CL25M10 ............... 1.3W (at 10% distortion and

Dual CH Operate)

25L-S100/180, CL25S18 .... 1.3W +1.3W (at 10% distortion and

Dual CH Operate)

SPEAKER

SIZE ...................................................................... 8 cm (Round)
VOICE COIL IMPEDANCE ............................. 32 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.)

Specifications are subject to change without
prior notice.

Содержание 25L-M100

Страница 1: ...The contents are subject to change without notice CONTENTS 25L M100 180 25L S100 180 CL25M10 CL25S18 MODELS ELECTRICAL SPECIFICATIONS POWER INPUT 120 V AC 60 Hz POWER RATING 25L M100 180 CL25M10 105 W 25L S100 180 CL25S18 110 W PICTURE SIZE 2 032cm2 315sq inch CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi Bi Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45...

Страница 2: ...ischarging the high voltage anode completely X RADIATION AND HIGH VOLTAGE LIMITS 1 Be sure all service personnel are aware of the procedures and instructions covering X radiation The only potential source of X ray in current solid state TV receivers is the picture tube However the picture tube does not emit measurable X Ray radiation if the high voltage is as specified in the High Voltage Check in...

Страница 3: ...acity networks mechanical insulators and etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed metal cabinet parts and a known earth ground ...

Страница 4: ...manipuler le tube image qu en porant des lunettes incassables et qu après avoir déchargé totalement la haute tension LIMITES DES RADIATIONS X ET DE LA HAUTE TENSION 1 Tout le personnel réparateur doit être instruit des instructions et procédés relatifs aux radiations X Le tube image seule source de rayons X dons les téleviseurs transistorisés n émet pourtant pas de rayons mesurables si la haute te...

Страница 5: ...es réseaux de résistance capacité les isolateurs mécaniques etc 3 S assurer qu il n y ait pas de danger d électrocution en vérifiant la fuite de courant de la facon suivante Brancher le cordon d alimentation directem ent à une prise de courant de 120V Ne pas utiliser de transformateur d isolation pour cet essai A l aide de deux fils à pinces brancher une résistance de 1 5 kΩ 10 watts en parallèle ...

Страница 6: ...6 25L M100 180 S100 180 CL25M10 CL25S18 LOCATION OF USER S CONTROL 25L M100 CL25M10 ...

Страница 7: ...7 25L M100 180 S100 180 CL25M10 CL25S18 LOCATION OF USER S CONTROL Continued 25L M180 ...

Страница 8: ...8 25L M100 180 S100 180 CL25M10 CL25S18 LOCATION OF USER S CONTROL Continued 25L S100 ...

Страница 9: ...9 25L M100 180 S100 180 CL25M10 CL25S18 LOCATION OF USER S CONTROL Continued 25L S180 CL25S18 ...

Страница 10: ...n 7 If the operation of the horizontal oscillator does not stop in step 5 the circuit must be repaired before the set is returned to the customer HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified checks should be as follows 1 Connect an accurate high voltage meter between ground a...

Страница 11: ...reset function in the video adjustment menu to ensure customer controls are in their proper reset position 2 Service number selection Once in the service mode press the Ch up or Ch down button on the remote controller or at the set The service adjustment number will vary in increments of one from S01 to OP 25L M100 180 CL25M10 S01 to M05 25L S100 180 CL25S18 Select the item you wish to adjust 3 Da...

Страница 12: ...3 TUNER SETUP 00 00 01 Must be set to 00 OP OPTION Set to each mode 30 00 FF 0A 25L M180 02 25L M100 CL25M10 26 25L S100 3E 25L S180 CL25S18 M01 MTS LEVEL 0A 00 0F M02 STEREO VCO 20 00 3F M03 FILTER 1C 00 3F M04 LOW SEPARATION 20 00 3F M05 HIGH SEPARATION 1B 00 3F Only for Models 25L S100 180 CL25S18 NECESSARY UNNECESSARY ADJUSTMENT NOTES PART REPLACED IC2001 IC2101 CRT IC201 Data is stored in IC2...

Страница 13: ...e service mode and select the service adjustment S03 and set to 00 minimum color Record original data code under adjustment S03 before changing S03 does not have to be adjusted if you selected a B W picture or monoscope pattern 3 Alternately adjust service adjustment data of S14 and S15 until a good grey scale with normal whites is obtained 4 Select the service adjustment S03 and adjust data to ob...

Страница 14: ... Enter the service mode and select the service adjustment S18 3 A black text box appears on the screen see Figure C below 4 Adjust S18 data value so that text box is positioned in the center of the screen Figure C 3 58MHz Trap Adjustment 1 Receive a good local channel 2 Enter the service mode and select the service adjustment S16 3 This is a two position adjustment 00 is ON 01 is OFF 4 Adjust data...

Страница 15: ...lot signal to pin 14 of IC3001 Stereo pilot signal 9 4kHz 600mVrms 2 Enter the service mode and select the service adjustment M03 3 Adjust the data at the point where OK appears on the screen The OK represents the approximate center of the adjustable range of the data Separation Adjustment 1 Connect the rms voltmeter to pin 39 of IC3001 2 Receive the following composite stereo signal 1 Composite s...

Страница 16: ...16 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L M100 180 CL25M10 CHASSIS LAYOUT PWB A PWB B PWB H 6 5 4 3 2 1 A B C D E F G H ...

Страница 17: ...17 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H MODELS 25L S100 180 CL25S18 CHASSIS LAYOUT PWB A PWB B PWB H ...

Страница 18: ...18 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H MODELS 25L M100 180 CL25M10 BLOCK DIAGRAM ...

Страница 19: ...19 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H MODELS 25L S100 180 CL25S18 BLOCK DIAGRAM ...

Страница 20: ...rmal picture unless otherwise indicated 2 All voltages measured with 1000µ V B W or Color signal WAVEFORM MEASUREMENT CONDITIONS 1 Photographs taken on a standard gated color bar signal the tint setting adjusted for proper color The wave shapes at the red green and blue cathodes of the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart wavef...

Страница 21: ...21 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT and FRONT AV Unit Ë 25L M100 180 CL25M10 Ë 25L S100 180 CL25S10 ...

Страница 22: ...22 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L M100 CL25M10 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 23: ...23 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 24: ...24 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L M100 CL25M10 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 25: ...25 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 26: ...26 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L M180 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 27: ...27 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 28: ...28 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L M180 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 29: ...29 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 30: ...30 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L S100 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 31: ...31 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 32: ...32 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L S100 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 33: ...33 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 34: ...34 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L S180 CL25S18 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 35: ...35 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 36: ...36 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODELS 25L S180 CL25S18 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 37: ...37 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 ...

Страница 38: ...38 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side 6 5 4 3 2 1 A B C D E F G H ...

Страница 39: ...39 25L M100 180 S100 180 CL25M10 CL25S18 17 16 19 18 15 14 13 12 11 10 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Страница 40: ...40 25L M100 180 S100 180 CL25M10 CL25S18 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side PWB H FRONT AV Unit Wiring Side ...

Страница 41: ...A7809Pi 1 M KA7809PI AE IC951 VHiMM1111XF1E J MM1111XFBE AE 25L S100 180 CL25S18 IC2001 RH iX3256CEZZ J TMPA8701CMF142 AX IC2040 VHiKiA7045P 1 J KIA7045P AD IC2101 VHiM24C01B 1 J M24C01 BN6 AF IC3001 VHiCXA2074Q 1 J CXA2074Q AY 25L S100 180 CL25S18 TRANSISTORS You can substitute VS2SD601AR 1 for VS2SC2412 C 1 Q201 VS2SC2735 1E J 2SC2735 AC Q301 VS2SD601AR 1 J 2SD601AR AC 25L S100 180 CL25S18 Q401 ...

Страница 42: ...tal AF or RCRSB0001PEZZ FILTERS CF301 RFiLC0029TAZZ J Ceramic Filter AD CF401 RFiLC0013CEZZ J Ceramic Filter AE CF631 RFiLA0034CEZZ J Ceramic Filter AD CF2040 RFiLC0121GEZZ J Ceramic Filter AD SF201 RFiLC0405CEZZ J SAW Filter AH COILS L201 VP XF1R2K0000 J Peaking 1 2µH AB L202 RCiLi0588CEZZ J VCO Coil AF L301 VP XF8R2K0000 J Peaking 8 2µH AB L302 RCiLi0613CEZZ J IF Coil AE L401 VP XF6R8K0000 J Pea...

Страница 43: ... VCKYPA2HB102K J 1000p 500V Ceramic AA C741 VCKYPA2HB102K J 1000p 500V Ceramic AA C742 VCKYPA2HB102K J 1000p 500V Ceramic AA C753 VCEA0A1CW107M J 100 16V EL AC C755 VCEA0A1CW476M J 47 16V EL AB C772 VCEA0A1VW477M J 470 35V EL AB C801 RC QZA223TAYK J 0 022 50V Mylar AB C802 VCEA0A1HW474M J 0 47 50V EL AB C803 VCCCCY1HH110J J 11p 50V Ceramic AA C804 VCKYCY1CB104K J 0 1 16V Ceramic AB C805 VCKYCY1CB1...

Страница 44: ...J J 1 0k 1 8W Carbon AA R456 VRD MN2BE682J J 6 8k 1 8W Carbon AA R458 VRD MN2BE152J J 1 5k 1 8W Carbon AA å R501 VRN RL3ABR56J J 0 56 1W Metal Film AA R510 VRD MN2BE471J J 470 1 8W Carbon AA R511 VRD RA2BE104G J 100k 1 8W Carbon AA R512 VRD RA2BE124G J 120k 1 8W Carbon AA R513 VRD RA2BE473J J 47k 1 8W Carbon AA R514 VRD MN2BE101J J 100 1 8W Carbon AA PWB A DUNTK9806WEK0 25L M100 CL25M10 PWB A DUNT...

Страница 45: ...2BE102J J 1 0k 1 8W Carbon 25L S180 CL25S18 AA R904 VRS CY1JF683J J 68k 1 16W M Ox 25L S180 CL25S18 AA R905 VRS CY1JF223J J 22k 1 16W M Ox 25L S180 CL25S18 AA R906 VRS CY1JF392J J 3 9k 1 16W M Ox 25L S180 CL25S18 AA R907 VRS CY1JF182J J 1 8k 1 16W M Ox 25L S180 CL25S18 AA R908 VRS CY1JF102J J 1 0k 1 16W M Ox 25L S180 CL25S18 AA R910 VRD MN2BE102J J 1 0k 1 8W Carbon 25L S180 CL25S18 AA R911 VRS CY1...

Страница 46: ...5 1 8W Carbon AA R3017 VRD RA2BE102J J 1 0k 1 8W Carbon AA 25L S100 180 CL25S18 R3018 VRD RA2BE102J J 1 0k 1 8W Carbon AA 25L S100 180 CL25S18 SWITCHES S2501 QSW K0079GEZZ J Power AB S2502 QSW K0079GEZZ J VOL Down AB S2503 QSW K0079GEZZ J VOL Up AB S2504 QSW K0079GEZZ J CH Down AB S2505 QSW K0079GEZZ J CH Up AB MISCELLANEOUS PARTS å RY701 RRLYJ0081CEZZ J Relay AL å F701 QFS B4023CEZZ J Fuse 4A 125...

Страница 47: ... RA2BE181J J 180 1 8W Carbon AA R861 VRD RA2BE121J J 120 1 8W Carbon AA R863 VRD RA2BE471J J 470 1 8W Carbon AA R864 VRD RA2BE221J J 220 1 8W Carbon AA å R865 VRS VV3LB123J J 12k 3 0W M Ox AB R866 VRD RM2HD222J J 2 2k 1 2W Carbon AA R867 VRD RA2BE470J J 47 1 8W Carbon AA R868 VRD RA2BE181J J 180 1 8W Carbon AA R869 VRD RA2BE121J J 120 1 8W Carbon AA R871 VRD RA2BE471J J 470 1 8W Carbon AA R872 VRD...

Страница 48: ...W 25L M180 25L S180 CL25S18 CABINET PARTS 25L M100 180 CL25M10 1 CCABA1277MES1 M Front Cabinet Ass y BE 25L M100 CL25M10 1 CCABA1297MES1 M Front Cabinet Ass y BE 25L M180 1 1 Not Available Front Cabinet 1 2 HBDGB1008MESA M Badge SHARP AA 1 3 JBTN 1086MEKA M Button Power Vol up down AD 1 4 JBTN 1087MEKA M Button CH up down AD 1 5 GCOVA1028MEKA M Cover for R C AD 2 GCABB1145MEKA M Rear Cabinet AZ 25...

Страница 49: ...0 180 S100 180 CL25M10 CL25S18 PACKING OF THE SET REAR Use tapes to fix the packing case Bar Code Label Packing Case MARK Not replacement items FRONT Buffer Material Polyethylene Foam Sheet Polyethylene Bag Operation Manual Registration Card U S A Infrared R C Unit Batteries ...

Страница 50: ...o part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan TQ0633 S Apr 1999 Printed in Japan SY KG ...

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