Sharp 25N-M100 Service Manual Download Page 38

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25N-M100/M180/S100/S180
CN25M10,CN25S18/20

PWB-K: S-VIDEO Unit (Wiring Side)

(Only for 25N-S100)

PWB-K: DIGICOM/S-VIDEO Unit (Wiring Side)

(Only for 25N-S180, CN25S20)

C1417

R1424

Q1403

R1417

R1419

Q1406

C1425

Q1405

C1416

C1403

IC1401

C1407

C1409

C1411

R1416

R1412

C1424

IC1451

R1425

R1403

C1426

R1422

R1404

R1401

R1402

C1401

R1405

R1406

R1454

C1453

R1452

R1455

R1420

C1405

C1406

C1404

C1420

CJ1

RJ1

R1407

RJ2

RJ3

Q1401

C1412
C1410
R1408

C1413

R1409

Q1405

Q1404
R1413

RJ5

C1454

R1418

R1415

C1423

R1414

C1421

R1451

R1453

R1410

RJ4

C1451

C1428

Q1402

R1421

Q1407

Q 1 5 0 4

Q1503

R1501

R1510

R1509

C1506

C1505

C1504

R1505

C1502

R1506

R1503

R 1 5 0 2

Q 1 5 0 1

Q 1 5 0 2
R 1 5 0 4

R1508

R1507

R 1 5 1 1

L 1 5 0 2

L1501

L1503

C1507

R1513

R1512

IC1501

P1503

R1517R1515

C1513

D1504

D1501

C 1 5 0 1

R 1 5 1 8

J 5

J 4

C 1 5 1 1

C 1 5 0 8

C 1 5 0 3

R 1 5 1 6

R 1 5 1 9

D 1 5 0 2

C 1 5 0 9

C 1 5 1 2

K B

D 1 5 0 3

C 1 5 1 0

R 1 5 1 4

P 1 5 0 2

K A

P 1 5 0 1

Summary of Contents for 25N-M100

Page 1: ...ELS ELECTRICAL SPECIFICATIONS POWER INPUT 120 V AC 60 Hz POWER RATING 25N M100 180 CN25M10 105 W 25N S100 180 CN25S18 20 110 W PICTURE SIZE 2 032cm2 315sq inch CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi Bi Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75 MHz Sound IF Carrier Frequency 41 25 MHz Color Sub Carrier Frequency 42 17 MHz Nominal AUDIO POWE...

Page 2: ... discharging 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 ...

Page 3: ...apacity 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 groun...

Page 4: ...Ne 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...

Page 5: ... les 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 parallèl...

Page 6: ...r seconds Press again Removes display Temporarily displays receiving channel when in Closed Caption mode Front Panel VIDEO AUDIO IN TERMINALS CHANNEL UP DOWN Selects next higher channel Selects next lower channel SENSOR AREA FOR REMOTE CONTROL VOLUME UP DOWN Increases sound Decreases sound POWER Press On Press again Off Basic Remote Control Functions POWER Press On Press again Off REMOTE KEYPAD Ac...

Page 7: ...gain Switch to external video INPUT 2 mode Press 3 times Switch back to the original TV mode ENTER Used in some instances where a VCR or Cable Converter Box requires an enter command after selecting channels when using the REMOTE KEYPAD button CHANNEL UP DOWN Selects next higher channel Selects next lower channel Moves the mark of the MENU screens MUTE Press Mutes sound Press again Restores sound ...

Page 8: ...es Switch back to the original TV mode ENTER Used in some instances where a VCR or Cable Converter Box requires an enter command after selecting channels when using the REMOTE KEYPAD button CHANNEL UP DOWN Selects next higher channel Selects next lower channel Moves the mark of the MENU screens MUTE Press Mutes sound Press again Restores sound CLOSED CAPTION appears when sound is muted POWER Press...

Page 9: ...en 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 ...

Page 10: ... 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 OP2 25N M100 180 CN25M10 S01 to M05 25N S100 180 CN25S18 20 Select the item you wish to adjust...

Page 11: ... mode 00 00 FF B0 25N M100 B3 25N M180 B3 25N S100 B7 25N S180 A0 CN25M10 A7 CN25S18 A7 CN25S20 OP2 OPTION 2 00 00 FF 04 25N M100 04 25N M180 A7 25N S100 A7 25N S180 04 CN25M10 07 CN25S18 A7 CN25S20 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 25N S100 180 CN25S18 20 NECESSARY UNNECESSARY ADJUSTMENT NOTE...

Page 12: ...the 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 ...

Page 13: ... sure the customer brightness control is set to center position 3 Enter the service mode and select the service adjustment S04 4 Adjust S04 data value to obtain normal brightness level Vertical Size Adjustments 1 Receive a good local channel 2 Enter the service mode and select the service adjustment S09 3 While observing the top and bottom of the screen adjust S09 data value to proper vertical siz...

Page 14: ...o pilot 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 Composi...

Page 15: ...15 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODELS 25N M100 180 CN25M10 CHASSIS LAYOUT PWB A PWB H PWB B ...

Page 16: ...16 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODELS 25N S100 180 CN25S18 20 CHASSIS LAYOUT PWB B PWB A 25N S180 CN25S20 PWB K 25N S100 PWB K PWB H ...

Page 17: ...17 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODELS 25N M100 180 CN25M10 BLOCK DIAGRAM ...

Page 18: ...18 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODEL 25N S100 BLOCK DIAGRAM ...

Page 19: ...19 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODELS 25N S180 CN25S20 BLOCK DIAGRAM ...

Page 20: ...20 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODEL CN25S18 BLOCK DIAGRAM ...

Page 21: ...nless 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 waveforms are measu...

Page 22: ...23 25N M100 M180 S100 S180 CN25M10 CN25S18 20 22 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODELS 25N M100 CN25M10 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 23: ...25 25N M100 M180 S100 S180 CN25M10 CN25S18 20 24 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODELS 25N M100 CN25M10 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 24: ...27 25N M100 M180 S100 S180 CN25M10 CN25S18 20 26 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL 25N M180 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 25: ...29 25N M100 M180 S100 S180 CN25M10 CN25S18 20 28 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL 25N M180 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 26: ...31 25N M100 M180 S100 S180 CN25M10 CN25S18 20 30 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL 25N S100 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 27: ...33 25N M100 M180 S100 S180 CN25M10 CN25S18 20 32 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL 25N S100 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 28: ...35 25N M100 M180 S100 S180 CN25M10 CN25S18 20 34 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODELS 25N S180 CN25S20 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 29: ...37 25N M100 M180 S100 S180 CN25M10 CN25S18 20 36 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODELS 25N S180 CN25S20 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 30: ...39 25N M100 M180 S100 S180 CN25M10 CN25S18 20 38 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL CN25S18 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 31: ...41 25N M100 M180 S100 S180 CN25M10 CN25S18 20 40 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL CN25S18 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 32: ...42 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT and FRONT AV Units Ë 25N M100 180 CN25M10 Ë 25N S100 180 CN25S18 20 ...

Page 33: ...43 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODEL 25N S100 SCHEMATIC DIAGRAM S VIDEO Unit ...

Page 34: ...44 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H MODELS 25N S180 CN25S20 SCHEMATIC DIAGRAM DIGICOM S VIDEO Unit ...

Page 35: ...45 25N M100 M180 S100 S180 CN25M10 CN25S18 20 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 PRINTED WIRING BOARD ASSEMBLIES ...

Page 36: ...46 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side ...

Page 37: ...47 25N M100 M180 S100 S180 CN25M10 CN25S18 20 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Page 38: ...1410 R1408 C1413 R1409 Q1405 Q1404 R1413 RJ5 C1454 R1418 R1415 C1423 R1414 C1421 R1451 R1453 R1410 RJ4 C1451 1 C1428 Q1402 R1421 Q1407 1 Q 1 5 0 4 Q 1 5 0 3 R 1 5 0 1 R 1 5 1 0 R 1 5 0 9 C 1 5 0 6 C 1 5 0 5 C 1 5 0 4 R 1 5 0 5 C 1 5 0 2 R 1 5 0 6 R 1 5 0 3 R 1 5 0 2 Q 1 5 0 1 Q 1 5 0 2 R 1 5 0 4 R 1 5 0 8 R 1 5 0 7 R 1 5 1 1 L 1 5 0 2 L 1 5 0 1 L 1 5 0 3 C 1 5 0 7 R 1 5 1 3 R 1 5 1 2 J 3 J 6 I C 1...

Page 39: ...0002MEZZ M Spring for CRT AA PMAGF3003CEZZ M Magnet Ass y AK QEARC2508MEZZ M Grounding Part AF PRINTED WIRING BOARD ASSEMBLIES NOT REPLACEMENT ITEM Ref No Part No Description Code Ref No Part No Description Code PARTS LIST PARTS REPLACEMENT Replacement parts which have these special safety characteristics identified in this manual electrical components having such features are identified by å and ...

Page 40: ... Diode AB çå D654 VHD1SS119 1 J Diode AB å D701 RH DX0154CEZZ J Diode AC å D702 RH DX0154CEZZ J Diode AC å D703 RH DX0154CEZZ J Diode AC å D704 RH DX0154CEZZ J Diode AC D705 VHD1SS82 1A J Diode AC D706 RH DX0066GEZZ J Diode AB D707 VHD1SS82 1A J Diode AC D708 RH DX0066GEZZ J Diode AB å D709 RH DX0229CEZZ J Diode AF å D712 RH DX0407CEZZ J Diode AD å D713 RH EX0673GEZZ J Zener Diode 32V AB å D715 RH...

Page 41: ...80 PWB A DUNTKA126WEK2 K3 25N S100 25N S180 PWB A DUNTKA126WEK6 CN25M10 PWB A DUNTKA126WEK7 L5 CN25S18 CN25S20 MAIN UNIT Continued C510 VCFYSA1JB564J M 0 56 63V Mylar AB C511 VCKYPA2HB391K J 390p 500V Ceramic AA C512 VCQYTA1HM473K J 0 047 50V Mylar AB C513 VCQYTA1HM103K J 0 01 50V Mylar AB C514 VCEA0A1VW107M J 100 35V EL AC C515 VCEA0A1HW105M J 1 50V EL AB C516 VCEACA1HC105K J 1 50V EL AC C517 VCE...

Page 42: ...2BE000J J 0 1 8W Carbon AA RJ64 VRD MN2BE000J J 0 1 8W Carbon AA RJ67 VRS CY1JF000J J 0 1 16W M Ox AA å R51 VRS RG3AB151J M 150 1W M Ox AA å R52 VRS RG3DB123J J 12k 2W M Ox AA C908 VCEA0A1HW225M J 2 2 50V EL AB 25N S100 180 CN25S18 20 C909 VCEA0A1HW225M J 2 2 50V EL AB C910 VCKYCY1HB681K J 680p 50V Ceramic AA 25N S180 CN25S18 20 C911 VCKYCY1HB681K J 680p 50V Ceramic AA 25N S180 CN25S18 20 C922 VCE...

Page 43: ... 180 CN25S20 R421 VRD MN2BE152J J 1 5k 1 8W Carbon AA 25N M100 180 CN25M10 CN25S18 R422 VRS CY1JF472J J 4 7k 1 16W M Ox AA 25N M100 180 CN25M10 CN25S18 R423 VRS CY1JF152J J 1 5k 1 16W M Ox AA 25N M100 180 CN25M10 CN25S18 R424 VRS CY1JF102J J 1k 1 16W M Ox AA 25N M100 180 CN25M10 CN25S18 å R451 VRS RG2HC103J J 10k 1 2W M Ox AA R452 VRD RM2HD153J J 15k 1 2W Carbon AA R453 VRD RA2EE683J J 68k 1 4W Ca...

Page 44: ...A 25N M100 180 CN25M10 R2008 VRD MN2BE333J J 33k 1 8W Carbon AA R2009 VRD RA2BE102J J 1k 1 8W Carbon AA R2010 VRD MN2BE102J J 1k 1 8W Carbon AA R2011 VRD RA2BE561J J 560 1 8W Carbon AA 25N M100 CN25M10 R2012 VRS CY1JF471J J 470 1 16W M Ox AA 25N M180 25N S100 180 CN25S18 20 R2012 VRS CY1JF561J J 560 1 16W M Ox AA 25N M100 CN25M10 R2016 VRS CY1JF223J J 22k 1 16W M Ox AA R2020 VRS CY1JF223J J 22k 1 ...

Page 45: ...CEZZ J Relay AL or RRLYJ0088CEZZ or RRLYJ0094CEZZ å F701 QFS B4023CEZZ J Fuse 4A 125V AC or QFS B4021GEZZ FB601 RBLN 0047CEZZ J Ferrite Bead AB FB702 RBLN 0036CEZZ J Ferrite Bead AB FB704 RBLN 0037CEZZ J Ferrite Bead AB FB706 RBLN 0037CEZZ J Ferrite Bead AB FH701 QFSHD1013CEZZ J Fuse Holder AC FH702 QFSHD1014CEZZ J Fuse Holder AC J931 QSOCD0430CEZZ J Socket S Video AE 25N S100 180 CN25S20 P351 QPL...

Page 46: ...ug 4 pin YBN AB SC851 QSOCV0937CEZZ M CRT Socket AF PWB B DUNTK9510WEK1 CRT UNIT PWB K DUNTKA114WEK0 25N S100 S VIDEO UNIT INTEGRATED CIRCUIT IC1501 VHiM52055FP 1 J M52055FP AH TRANSISTORS You can substitute VS2SD601AR 1 for VS2SC2412KQ 1 Q1501 VS2SC2412KQ 1 J 2SC2412K AA Q1502 VS2SB709AR 1 J 2SB709AR AC or VS2SA1037KR 1 Q1503 VS2SC2412KQ 1 J 2SC2412K AA Q1504 VS2SC2412KQ 1 J 2SC2412K AA DIODES Yo...

Page 47: ...1HH120J J 12p 50V Ceramic AA C1424 VCKYCY1CB104K J 0 1 16V Ceramic AB C1425 VCKYCY1CB104K J 0 1 16V Ceramic AB C1426 VCKYCY1HB102K J 1000p 50V Ceramic AA C1427 VCE9GA1CW106M J 10 16V EL N P AB C1428 VCCCCY1HH270J J 27p 50V Ceramic AA C1451 VCKYCY1HF103Z J 0 01 50V Ceramic AA C1452 VCEA0A1CW106M J 10 16V EL AB C1453 VCKYCY1HF103Z J 0 01 50V Ceramic AA C1454 VCKYCY1HB103K J 0 01 50V Ceramic AA C1455...

Page 48: ...CN25S18 20 CABINET PARTS 25N M100 180 CN25M10 1 CCABA1321MES0 M Front Cabinet Ass y BE 25N M100 CN25M10 1 CCABA1322MES0 M Front Cabinet Ass y BE 25N 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 25N S100 180 CN25S1...

Page 49: ...e 59 25N M100 M180 S100 S180 CN25M10 CN25S18 20 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 Sheet Polyethylene Bag Operation Manual Infrared R C Unit Batteries ...

Page 50: ... No 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 TQ0880 S Apr 2000 Printed in Japan MK KG ...

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