Sharp 26PL83M Service Manual Download

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26PL83M

SHARP CORPORATION

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.

Page

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

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

LOCATION OF USER'S CONTROL ..................................................................................................... 4

INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5

SERVICE ADJUSTMENT ..................................................................................................................... 9

CHASSIS LAYOUT ............................................................................................................................. 12

BLOCK DIAGRAM .............................................................................................................................. 14

SCHEMATIC DIAGRAMS ................................................................................................................... 15

PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 25

REPLACEMENT PARTS LIST ............................................................................................................ 30

PACKING OF THE SET ...................................................................................................................... 39

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

POWER INPUT ..................................................... AC120V, 60 Hz

POWER RATING .................................................................. 141W

PICTURE SIZE ........................................ 2,032.5cm

(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

OUTPUT RATING ............... 5.0W +5.0W (at 10% distortion and

Dual CH Operate)

Specifications are subject to change without
prior notice.

ELECTRICAL SPECIFICATIONS

SERVICE MANUAL

S81Y926PL83M/

COLOR TELEVISION

Chassis No. MS-B

26PL83M

MODEL

POWER

PUSH OPEN

MTS STEREO

Summary of Contents for 26PL83M

Page 1: ...val 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 POWER INPUT AC120V 60 Hz POWER RATING 141W PICTURE SIZE 2 032 5cm2 315sq inch CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi Bi Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45...

Page 2: ...gh voltage with a meter to be certain that the high voltage does not exceed the specified value and that it is regulating correctly 5 Do not use a picture tube other than that specified or make unrecommended circuit modifications to the high voltage circuitry 6 When trouble shooting and taking test measurements on a receiver with excessive high voltage avoid being unnecessarily close to the receiv...

Page 3: ...ment covers or shields isolation resistor capacity networks mechanical insulators 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 meta...

Page 4: ...ts 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 1 2 3 4 5 6 7 8 9 0 100 POWER TV DVD VCR MENU MUTE PAUSE FLASHBACK DISPLAY INPUT TV CATV VCR DVD STOP REC REW PLAY FF CH SKIP VOL CH CH VOL ENTER A B C D PERSONAL PREFERENCE CATV TV DVD VCR POWER Press On Press again Off REMOTE KEYPAD Accesses any ch...

Page 5: ...izontal 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 and anode of picture tube 2 Oper...

Page 6: ...n 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 V01 to P08 Select the item you wish to adjust 3 Data number selection Press the Vol up or Vol down button to adjust...

Page 7: ... Must be set to 01 V31 RGB CONTRAST 20 0 63 00h 3Fh Must be set to 2A V32 Y DL 02 0 7 00h 07h Must be set to 02 V33 Y DL INPUT 01 0 7 00h 07h Must be set to 01 V34 VSM GAIN 07 0 7 00h 07h Must be set to 07 V35 N COMB 01 0 1 Must be set to 01 V36 BPF TOF INPUT 00 0 1 Must be set to 00 V37 CORING 00 0 1 Must be set to 00 V38 VSM PHASE 00 0 1 Must be set to 00 V39 COLOR γ 00 0 1 Must be set to 00 V40...

Page 8: ... FFh Must be set to 0A P06 HADJ PIP 00 0 15 00h 0Fh Must be set to 00 P07 FREE RUN PIP 0B 0 15 00h 0Fh Must be set to 0B P08 TINT PIP INPUT 24 0 63 00h 3Fh Must be set to 24 SERVICE NUMBER DATA ADJUSTMENT ITEM INITIAL VALUE RANGE ADJUSTMENT CONTENTS Table A NECESSARY UNNECESSARY ADJUSTMENT PART REPLACED IC2001 IC201 X Data is stored in IC2102 The adjustment is needed to compensate for characterist...

Page 9: ...ue of V46 red V47 green and V48 blue is adjusted to follow the data value of V06 V07 and V08 respectively 8 Reset the master screen control to obtain normal brightness range White Balance Adjustment 1 Receive a good local channel 2 Enter the service mode and select the service adjustment V03 and set to 00 minimum color Record original data code under adjustment V03 before changing V03 does not hav...

Page 10: ...e adjustment D01 2 Adjust D01 data value so that picture is centered Horizontal Position Adjustment 1 Receive a good local channel 2 Enter the service mode and select the service adjustment D02 3 Adjust D02 data value so that picture is centered Caption Position Adjustment Horizontal 1 Receive a good local channel 2 Enter the service mode and select the service adjustment EX2 3 A black text box ap...

Page 11: ... stereo 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 until OK appears in position on the screen Make sure the OK is displayed almost at the center of the data range Separation Adjustment 1 Connect the rms voltmeter to pin 39 of IC3001 2 Receive the following composite stereo signal 1 Composite ...

Page 12: ...13 26PL83M 12 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...

Page 13: ...14 6 5 4 3 2 1 A B C D E F G H 26PL83M BLOCK DIAGRAM ...

Page 14: ...NS 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 measured from point indicated to chassis ground WAVEFORMS 1 1 2 Vp p 2 2 3 Vp p 3 1 0 Vp p 4 0 5 Vp p 5 5 Vp p 6 5 Vp...

Page 15: ...17 26PL83M 16 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 16: ...19 26PL83M 18 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 17: ...21 26PL83M 20 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM AV Unit ...

Page 18: ...22 6 5 4 3 2 1 A B C D E F G H 26PL83M SCHEMATIC DIAGRAM CRT Unit ...

Page 19: ...23 6 5 4 3 2 1 A B C D E F G H 26PL83M SCHEMATIC DIAGRAM CONTROL Unit ...

Page 20: ...24 6 5 4 3 2 1 A B C D E F G H 26PL83M SCHEMATIC DIAGRAM MTS MODULE Unit ...

Page 21: ...25 6 5 4 3 2 1 A B C D E F G H 26PL83M PRINTED WIRING BOARD ASSEMBLIES PWB S MTS MODULE Unit Wiring Side PWB B CRT Unit Wiring Side PWB S MTS MODULE Unit Chip Parts Side ...

Page 22: ...26 6 5 4 3 2 1 A B C D E F G H 26PL83M PWB A MAIN Unit Wiring Side ...

Page 23: ...27 6 5 4 3 2 1 A B C D E F G H 26PL83M PWB A MAIN Unit Chip Parts Side ...

Page 24: ...28 6 5 4 3 2 1 A B C D E F G H 26PL83M PWB C AV Unit Chip Parts Side PWB C AV Unit Wiring Side ...

Page 25: ...29 6 5 4 3 2 1 A B C D E F G H 26PL83M PWB F CONTROL Unit Wiring Side ...

Page 26: ...K 1 J TA8427K AL å IC701 VHiTEA1507 1 J TEA1507P N1 AL å IC702 RH FX0008GEZZ J PC123FY8 AE å IC703 VHiSE120N 1 J SE120N AG IC751 VHiSTV8164 1 X I C AM IC2001 RH iX3515CEN2 X I C AT IC2040 VHiKiA7045A 1 J KIA7045AP AE or VHiKiA7045P 1 IC2101 VHiBR24C16 1 J M24C16 BN6 AG TRANSISTORS Q201 VS2SC2735 1E J C2735 AC Q205 VS2SC1623L61E J C1623L6 AB Q206 VS2SC1623L61E J C1623L6 AB Q361 VS2SA812 M51E J A812...

Page 27: ...AB C362 VCQYTA1HM123J J 0 012 50V Mylar AA C363 VCQYTA1HM123J J 0 012 50V Mylar AA C364 VCEA0A1EW227M J 220 25V EL AB C365 VCEA0A1HW105M J 1 0 50V EL AB C366 VCEA0A1CW106M J 10 16V EL AB C367 VCEA0A1VW108M J 1000 35V EL AD C368 VCKYPA1HF103Z J 0 01 50V Ceramic AA C369 VCEA0A1CW227M J 220 16V EL AC C370 VCEA0A1CW227M J 220 16V EL AC C371 VCEA0A1EW108M J 1000 25V EL AD C372 VCEA0A1EW108M J 1000 25V ...

Page 28: ...0A1AW107M J 100 10V EL AB C2063 VCKYCY1CF104Z J 0 1 16V Ceramic AA C2064 VCKYCY1CF104Z J 0 1 16V Ceramic AA C2201 VCKYCY1HB681K J 680p 50V Ceramic AA C2202 VCCCCY1HH390J J 39p 50V Ceramic AA RESISTORS M Ox Metal Oxide M Film Metal Film RJ11 VRS CY1JF000J J 0 1 16W M Ox AA RJ12 VRS CY1JF000J J 0 1 16W M Ox AA RJ13 VRS CY1JF000J J 0 1 16W M Ox AA RJ14 VRS CY1JF000J J 0 1 16W M Ox AA RJ15 VRS CY1JF00...

Page 29: ...x AA å R621 VRN RL3ABR33J X 3 3 1W M Film AE å R622 VRN RL3AB1R0J X 1 0 1W M Film AE or VRS SV2HCR56J å R623 VRN RL3AB2R7J X 2 7 1W M Film AE å R624 VRS RG3DB332J X 3 3k 2W M Ox AE R625 VRD RA2BE102J J 1 0k 1 8W Carbon AA R627 VRS KT3LB471J J 470 3W M Ox AD R631 VRS RG3AB103J J 10k 1W M Ox AB R633 VRD RA2EE103J J 10k 1 4W Carbon AA R635 VRD RA2EE683J J 68k 1 4W Carbon AA R647 VRD RM2HD220J J 22 1 ...

Page 30: ...1 16W M Ox AA R2046 VRS CY1JF101J J 100 1 16W M Ox AA R2047 VRS CY1JF221J J 220 1 16W M Ox AA R2048 VRS CY1JF562J J 5 6k 1 16W M Ox AA R2051 VRS CY1JF102J J 1 0k 1 16W M Ox AA R2052 VRD RA2BE101J J 100 1 8W Carbon AB R2054 VRS CY1JF102J J 1 0k 1 16W M Ox AA R2055 VRS CY1JF682J J 6 8k 1 16W M Ox AA R2060 VRS CY1JF221J J 220 1 16W M Ox AA R2061 VRS CY1JF562J J 5 6k 1 16W M Ox AA R2063 VRS CY1JF222J ...

Page 31: ... J Screw AA PWB C DUNTKA528WEA6 AV UNIT INTEGRATED CIRCUITS IC1401 VHiTC90A45F 1 J TC90A45F AM IC1900 VHiCXA2089Q 1 J CXA2089Q AN TRANSISTORS Q1401 VS2SC1623L61E J C1623L6 AB or VS2SD601AR 1 Q1404 VS2SC1623L61E J C1623L6 AB or VS2SD601AR 1 Q1405 VS2SC1623L61E J C1623L6 AB or VS2SD601AR 1 Q1406 VS2SA812 M51E J A812 M5 AC or VS2SB709AR 1 Q1407 VS2SC1623L61E J C1623L6 AB or VS2SD601AR 1 Q1408 VS2SA81...

Page 32: ...0k 1 16W M Ox AA R1422 VRS CY1JF473J J 47k 1 16W M Ox AA R1423 VRS CY1JF223J J 22k 1 16W M Ox AA R1424 VRS CY1JF102J J 1 0k 1 16W M Ox AA R1425 VRS CY1JF221J J 220 1 16W M Ox AA R1426 VRS CY1JF391J J 390 1 16W M Ox AA R1427 VRS CY1JF102J J 1 0k 1 16W M Ox AA R1428 VRS CY1JF473J J 47k 1 16W M Ox AA R1429 VRS CY1JF223J J 22k 1 16W M Ox AA R1430 VRS CY1JF102J J 1 0k 1 16W M Ox AA R1431 VRS CY1JF122J ...

Page 33: ...B562K J 5600p 50V Ceramic AA C3003 VCQYTA1HM123J J 0 012 50V Mylar AA C3004 VCEA0A1HW105M J 1 0 50V EL AB C3005 VCEA9A1HW475M J 4 7 50V EL AB C3006 VCEA0A1HW106M J 10 50V EL AB C3007 VCEA0A1HW475M J 4 7 50V EL AB C3008 VCKYCY1HF103Z J 0 01 50V Ceramic AA C3009 VCEA0A1CW227M J 220 16V EL AC C3010 VCE9GA1HW475M J 4 7 50V EL N P AB C3011 VCEA0A1HW475M J 4 7 50V EL AB C3012 VCE9GA1HW475M J 4 7 50V EL ...

Page 34: ... Spacer AE XTASD30P12000 J Screw AA XTASD40P20000 J Screw AA PACKING PARTS NOT REPLACEMANT ITEM SPAKC0227GJZZ Packing Case SPAKP0105GJZZ Polyethylene Sheet SPAKX0106GJZZ Buffer Material SSAKA0101GJZZ Polyethylene Bag TLABZA049WJZZ Model Name Label SUPPLIED ACCESORRIES TiNS A042WJZZ X Operation Manual AN RRMCG1639CESA X Infrared R C Unit AV CABINET PARTS 1 CCABAA012WEH0 X Front Cabinet Ass y BH 1 1...

Page 35: ...RK Not replacement items FRONT Buffer Material Polyethylene Sheet Polyethylene Bag Operation Manual Infrared R C Unit Batteries REAR Use tape to fix the top side of packing case Use 12 staples to fix the bottom side of packing case Bar Code Label ...

Page 36: ...ieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP ELECTRONICA MEXICO S A DE C V Blvd SHARPNo 3510ParqueIndustrial Rosarito Playas de Rosarito B C 22710 D SEM P SEMEX TQ0000 S June 2002 Printed in Japan MI KG ...

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