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26SL71
29SL81

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.

S60B526SL71//

MODELS

SHARP CORPORATION

OUTLINE

SERVICE MANUAL

26SL71
29SL81

COLOR TELEVISION

Chassis No. SN-91A

POWER

POWER

PUSH OPEN

MTS STEREO

This Service Manual covers the modifications from Models 26SL70 and 29SL80. For data and information
not discussed here, please refer to the 26SL70/29SL80 Service Manual (S69J129SL80//).

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Summary of Contents for 26SL71

Page 1: ... identical to those specified should be used S60B526SL71 MODELS SHARP CORPORATION OUTLINE SERVICE MANUAL 26SL71 29SL81 COLOR TELEVISION Chassis No SN 91A POWER POWER PUSH OPEN MTS STEREO This Service Manual covers the modifications from Models 26SL70 and 29SL80 For data and information not discussed here please refer to the 26SL70 29SL80 Service Manual S69J129SL80 ...

Page 2: ...istor VRS CY1JF223J Added R2017 Resistor VRS CY1JF223J Added R2023 Resistor VRS CY1JF223J Added R2030 Resistor VRS CY1JF103J Abolished R2033 Resistor VRS CY1JF102J Abolished P704 Plug QPLGN0304CEZZ QPLGN0360CEZZ or QPLGN0304CEZZ POWER UNIT IC5771 I C VHiKA7809Pi 1 VHiKA7809AP 1 or VHiKA7809Pi 1 P5701 Plug QPLGN0404CEZZ QPLGN0460CEZZ or QPLGN0404CEZZ SUPPLIED ACCESORRIES Infrared R C Unit RRMCG1339...

Page 3: ...RJ16 Resistor VRS CY1JF000J Abolished R2016 Resistor VRS CY1JF223J Added R2017 Resistor VRS CY1JF223J Added R2026 Resistor VRD RA2BE682J VRD RA2BE562J R2033 Resistor VRS CY1JF102J Abolished P704 Plug QPLGN0304CEZZ QPLGN0360CEZZ or QPLGN0304CEZZ POWER UNIT IC5771 I C VHiKA7809Pi 1 VHiKA7809AP 1 or VHiKA7809Pi 1 P5701 Plug QPLGN0404CEZZ QPLGN0460CEZZ or QPLGN0404CEZZ SUPPLIED ACCESORRIES Infrared R ...

Page 4: ...5 26SL71 29SL81 4 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 7001GEFW MODEL 26SL71 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 5: ...7 26SL71 29SL81 6 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL 26SL71 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 6: ...9 26SL71 29SL81 8 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 7001GEFW MODEL 29SL81 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 7: ...11 26SL71 29SL81 10 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H MODEL 29SL81 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 8: ...12 26SL71 29SL81 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM POWER Unit ...

Page 9: ...13 26SL71 29SL81 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side ...

Page 10: ...14 26SL71 29SL81 PWB A MAIN Unit Component Side 6 5 4 3 2 1 A B C D E F G H ...

Page 11: ...0 MAIN Unit 26SL71 PWB A DUNTKA270WEV1 MAIN Unit 29SL81 INTEGRATED CIRCUITS å IC751 VHiKA7809AP 1 J KA7809AP AE or VHiKA7809Pi 1 IC2001 RH iX3366CEZZ J I C AU IC2101 VHiBR24C02 1 J BR24C02 AF COIL L2040 RCiLB0131CEZZ J Oscillation Coil AE RESISTORS M Ox Metal Oxide J799 VRD RA2BE102J J 1 0k 1 8W Carbon AA R2016 VRS CY1JF223J J 22k 1 16W M Ox AA R2017 VRS CY1JF223J J 22k 1 16W M Ox AA R2023 VRS CY1...

Page 12: ...0907 S Jun 2000 Printed in Japan MI KG COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED 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 ...

Page 13: ...E 26SL40 26SL70 2 032 cm2 315 sq inch 29SL80 2 193 cm2 340 sq 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 SHARP CORPORATION CONTENTS ELECTRICAL SPECIFICATIONS Specifications are subject to change without prior...

Page 14: ...age 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 receiver Do not operate the receiver longer than is necessary ...

Page 15: ...tworks 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 110 220 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 such...

Page 16: ...oves display Temporarily displays receiving channel when in Closed Caption mode POWER Press On Press again Off REMOTE KEYPAD Accesses any channel from keypad FLASHBACK Returns to previous channel VOLUME UP DOWN Increases sound Decreases sound In menu mode changes or selects the TV adjustments MUTE Press Mutes sound Press again Restores sound CLOSED CAPTION appears when sound is muted CHANNEL UP DO...

Page 17: ...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 and anode of picture t...

Page 18: ... Use the 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 control unit or at the set The service adjustment number will vary in increments of one from S01 to OP 26SL40 M05 26SL70 29SL80 Select the item you wish to adjust 3 Data number selecti...

Page 19: ...2 OSD SETUP 00 00 03 Must be set to 02 S23 TUNER SETUP 00 00 01 Must be set to 00 OP OPTION Set to each model 02 36 00 FF Must be set to 02 26SL40 36 26SL70 29SL80 M01 INPUT LEVEL 0A 00 0F M02 ST VCO 20 00 3F M03 FILTER 1C 00 3F M04 WIDE BAND 20 00 3F M05 SPECTRAL 1B 00 3F NECESSARY UNNECESSARY ADJUSTMENT NOTES PART REPLACED IC2001 IC2101 X IC3001 X CRT X IC201 X X Data is stored in IC2101 The adj...

Page 20: ...t where raster is barely seen 7 Adjust the service adjustments S11 red S12 green and S13 blue to obtain a good grey scale with normal whites at low brightness level 8 Select the service adjustment S19 and reset data to 00 Select the service adjustment S03 and reset data to obtain normal color level 9 Remove oscilloscope and reset the master screen control to obtain normal brightness range White Ba...

Page 21: ...elect the service adjustment S18 3 A black text box appears on the screen see Figure B below 4 Adjust S18 data value so that text box is positioned in the center of the screen 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 value to 00 26SL40 70 01 29SL80 for n...

Page 22: ...al to pin 14 of IC3001 Stereo pilot signal 9 4 kHz 600 mVrms 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 stereo ...

Page 23: ... 26SL40 26SL70 29SL80 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 CHASSIS LAYOUT 26SL70 29SL80 only 29SL80 only 29SL80 only 29SL80 only 26SL40 26SL70 only 26SL70 29SL80 only 26SL70 29SL80 only ...

Page 24: ...12 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H MODEL 26SL40 BLOCK DIAGRAM ...

Page 25: ...13 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H MODEL 26SL70 BLOCK DIAGRAM ...

Page 26: ...14 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H MODEL 29SL80 BLOCK DIAGRAM ...

Page 27: ...0 220V AC and all controls set for normal 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 ...

Page 28: ...16 26SL40 26SL70 29SL80 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 26SL40 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 29: ...17 26SL40 26SL70 29SL80 17 16 19 18 15 14 13 12 11 10 7001GEFW ...

Page 30: ...18 26SL40 26SL70 29SL80 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 26SL40 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 31: ...19 26SL40 26SL70 29SL80 17 16 19 18 15 14 13 12 11 10 ...

Page 32: ...20 26SL40 26SL70 29SL80 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 26SL70 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 33: ...21 26SL40 26SL70 29SL80 17 16 19 18 15 14 13 12 11 10 7001GEFW ...

Page 34: ...22 26SL40 26SL70 29SL80 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 26SL70 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 35: ...23 26SL40 26SL70 29SL80 17 16 19 18 15 14 13 12 11 10 ...

Page 36: ...24 26SL40 26SL70 29SL80 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 29SL80 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Page 37: ...25 26SL40 26SL70 29SL80 17 16 19 18 15 14 13 12 11 10 7001GEFW ...

Page 38: ...26 26SL40 26SL70 29SL80 8 7 10 9 6 5 4 3 2 1 A B C D E F G H MODEL 29SL80 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Page 39: ...27 26SL40 26SL70 29SL80 17 16 19 18 15 14 13 12 11 10 ...

Page 40: ...28 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit A63AFW32X 26SL40 70 A68KRQ58X 29SL80 ...

Page 41: ...29 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM FRONT AV Unit MODEL 26SL40 MODELS 26SL70 29SL80 ...

Page 42: ...30 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H MODEL 26SL40 SCHEMATIC DIAGRAM POWER Unit ...

Page 43: ...31 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H MODEL 26SL70 29SL80 SCHEMATIC DIAGRAM POWER Unit ...

Page 44: ...32 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H MODEL 29SL80 SCHEMATIC DIAGRAM Y C Unit ...

Page 45: ...33 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB P POWER Unit Wiring Side ...

Page 46: ...34 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side ...

Page 47: ...35 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Page 48: ...36 26SL40 26SL70 29SL80 6 5 4 3 2 1 A B C D E F G H PWB K Y C Unit Chip Parts Side only for 29SL80 PWB F Front AV Unit Wiring Side PWB B CRT Unit Wiring Side PWB K Y C Unit Wiring Side only for 29SL80 ...

Page 49: ...H FX0034CEZZ J PC817 AE å IC703 VHiSE120N 1 J SE120N AG å IC751 VHiKA7809Pi 1 J KA7809PI AE IC951 VHiMM1111XF1E J MM1111XF 26SL70 AE IC951 VHiMM1113XF1E J MM1113XF 29SL80 AE IC2001 RH iX3256CEZZ J I C AX IC2040 VHiKiA7045A 1 M KIA7045A AC IC2101 VHiM24C01B 1 J M24C01BN AF or RH iX2447CEN1 IC3001 VHiCXA2074Q 1 J CXA2074Q AY 26SL70 29SL80 TRANSISTORS You can substitute VS2SD601AR 1 for VS2SC2412KQ 1...

Page 50: ...TORS EL Electrolytic M Poly Metalized Polypro Film C51 VCEA0A1CW476M J 47 16V EL AB C53 VCEA0A1HW105M J 1 0 50V EL AB C54 VCEA0A1HW475M J 4 7 50V EL AB C55 VCEA0A1CW108M J 1000 16V EL AD C103 VCEA0A1CW228M J 2200 16V EL AD C201 VCKYPA1HB102K J 1000p 50V Ceramic AA C202 VCKYCY1HF103Z J 0 01 50V Ceramic AA C203 VCKYCY1HB102K J 1000p 50V Ceramic AA C204 VCKYCY1HF103Z J 0 01 50V Ceramic AA C205 VCEA0A...

Page 51: ...0 29SL80 C922 VCEA0A1HW335M J 3 3 50V EL AB 26SL70 29SL80 C923 VCEA0A1HW335M J 3 3 50V EL AB 26SL70 29SL80 C931 VCKYCY1EB183K J 0 018 25V Ceramic AA 26SL70 29SL80 C932 VCKYCY1EB183K J 0 018 25V Ceramic AA 26SL70 29SL80 C951 VCEA0A1HW106M J 10 50V EL AB 26SL70 29SL80 C952 VCEA0A1HW106M J 10 50V EL AB 26SL70 29SL80 C954 VCKYCY1HF103Z J 0 01 50V Ceramic AA 26SL70 29SL80 C955 VCEA0A1CW106M J 10 16V EL...

Page 52: ...RA2BE152J J 1 5k 1 8W Carbon AA 26SL70 29SL80 R401 VRS CY1JF682J J 6 8k 1 16W M Ox AA R402 VRS CY1JF331J J 330 1 16W M Ox AA R403 VRS CY1JF391J J 390 1 16W M Ox AA R404 VRD RA2BE102J J 1 0k 1 8W Carbon AA R405 VRS CY1JF470J J 47 1 16W M Ox AA R406 VRS CY1JF680J J 68 1 16W M Ox AA R407 VRS CY1JF102J J 1 0k 1 16W M Ox AA R408 VRS CY1JF471J J 470 1 16W M Ox AA R409 VRD RA2BE562J J 5 6k 1 8W Carbon AA...

Page 53: ...M Ox AA 26SL70 29SL80 R905 VRS CY1JF223J J 22k 1 16W M Ox AA 26SL70 29SL80 R906 VRS CY1JF392J J 3 9k 1 16W M Ox AA 26SL70 29SL80 R907 VRS CY1JF182J J 1 8k 1 16W M Ox AA 26SL70 29SL80 R908 VRS CY1JF102J J 1 0k 1 16W M Ox AA 26SL70 29SL80 R910 VRD RA2BE102J J 1 0k 1 8W Carbon AA 26SL70 29SL80 R911 VRS CY1JF683J J 68k 1 16W M Ox AA 26SL70 29SL80 R912 VRS CY1JF223J J 22k 1 16W M Ox AA 26SL70 29SL80 R9...

Page 54: ...D RA2BE750J J 75 1 8W Carbon AA R3017 VRD RA2BE102J J 1 0k 1 8W Carbon AA 26SL70 29SL80 R3018 VRD RA2BE102J J 1 0k 1 8W Carbon AA 26SL70 29SL80 MISCELLANEOUS PARTS 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 P352 QPLGN0661CEZZ J Plug 6 pin FA AD P401 QSOCN0585CEZZ J Socket 5 pin KB AC 29SL80...

Page 55: ...J 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 RA2BE221J J 220 1 8W Carbon AA å R873 VRS VV3LB123J J 12k 3 0W M Ox AB R874 VRD RM2HD222J J 2 2k 1 2W Carbon AA R881 VRD RA2BE102J J 1 0k 1 8W Carbon AA R882 VRD RA2BE331J J 330 1 8W Carbon AA R883 VRD RA2BE561J J 560 1 8W Carbon AA R884 VRD RA2BE152J J 1 5k 1 8W Carbon AA R895 VRD RA2BE...

Page 56: ... 0 1 16V Ceramic AB C1417 VCCCCY1HH390J J 39p 50V Ceramic AA C1418 VCEA0A1HW106M J 10 50V EL AB C1419 VCEA0A1HW106M J 10 50V EL AB C1420 VCKYCY1HB103K J 0 01 50V Ceramic AA C1421 VCCCCY1HH120J J 12p 50V Ceramic AA C1423 VCCCCY1HH120J J 12p 50V Ceramic AA C1424 VCKYCY1CB104K J 0 1 16V Ceramic AB C1425 VCKYCY1CB104K J 0 1 16V Ceramic AB C1426 VCKYCY1HB102K J 100p 50V Ceramic AA C1427 VCEA0A1HW106M J...

Page 57: ...RBLN 0037CEZZ J Ferrite Bead AB FB5702 RBLN 0037CEZZ J Ferrite Bead AB FB5771 RBLN 0037CEZZ J Ferrite Bead AB FH5701 QFSHD1013CEZZ J Fuse Holder AC FH5702 QFSHD1014CEZZ J Fuse Holder AC P5301 QPLGN0461CEZZ J Plug 4 pin S AB P5302 QPLGN0661CEZZ J Plug 6 pin PA AD P5701 QPLGN0404CEZZ J Plug 4 pin M AB P5703 QPLGN0269GEZZ J Plug 2 pin P AB P5751 QPLGN0361CEZZ J Plug 3 pin PB AB P5771 QPLGN0304CEZZ J ...

Page 58: ...ch 1 8 HiNDP0001GJZZ X Indication Plate 2 GCABB0006GJKA X Rear Cabinet å ACC701 QACCZ3008PEZZ R AC Cord AN QCNW 0101GJZZ X Connecting Cord 29SL80 QCNW 0102GJZZ X Connecting Cord QCNW 0103GJZZ X Connecting Cord QCNW 0106GJZZ X Connecting Cord QCNW 0107GJZZ X Connecting Cord QCNW 0108GJZZ X Connecting Cord QCNW 0109GJZZ X Connecting Cord 26SL40 26SL70 SP1 VSP1206PB378E X Speaker 8 ohm L SP2 VSP1206P...

Page 59: ...e PACKING OF THE SET REAR Use 12 staples to fix the bottom side of packing case Bar Code Label MARK Not replacement items FRONT Buffer Material Wrapping Paper Polyethylene Bag Operation Manual Registration Card Infrared R C Unit Batteries Packing Case The packing case top is tape sealed ...

Page 60: ... 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 TQ0695 S Jul 1999 Printed in Japan SO KG ...

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