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29MR70

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.

D JAPAN P SEMEX

TQ1075-S

Jun. 2001 Printed in Japan

MI. KG

SHARP ELECTRONICA MEXICO S.A. DE C.V.

Blvd. SHARP No. 3510 Parque Industrial

Rosarito, Playas de Rosarito, B.C. 22710

Содержание 29MR70

Страница 1: ...hed to be used for after sales service only The contents are subject to change without notice MODEL POWER INPUT 120 V AC 60 Hz POWER RATING 105 W PICTURE SIZE 2 187cm2 339sq 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...

Страница 2: ...is meter should be checked periodically 3 High voltage should always be kept at the rated value no higher Operation at higher voltages may cause a failure of the picture tube or high voltage circuitry and also under certain conditions may produce radiation in exceeding of desirable levels 4 When the high voltage regulator is operating properly there is no possibilityof an X radiationproblem Every ...

Страница 3: ... a 0 15 F capacitorin series with all exposed metal cabinet parts and a known earth ground such as electrical conduit or electrical ground connected to earth ground Use an AC voltmeter having with 5000 ohm per volt or higher sensitivity to measure the AC voltage drop across the resistor 1 5k ohm 10W 0 15 F TEST PROBE TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND For continued protection rep...

Страница 4: ......

Страница 5: ...ration 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 pi...

Страница 6: ...eo adjustment menu to ensure customer control are in their proper reset position 2 Service number selection In the service mode you will see the window screen as window There are 4 adjustment categories DEF SIGNAL FEATURE FIX VALUE as show in Figure A Press CH UP DOWN button for selection and enter by VOL UP or VOL DOWN Press CH UP DOWN button to select the adjustment item and VOL UP DOWN to adjus...

Страница 7: ...Y PRI 00 03 00 00 F19 CORING 00 07 04 04 F20 DC REST 00 03 02 02 F21 BS START 00 03 01 01 F22 BS GAIN 00 03 01 01 F23 ABL START 00 07 00 00 F24 R B ANGLE 00 0F 08 08 F25 H BLK R 00 0F 04 03 F26 H BLK L 00 0F 04 00 SERVICE POSITION ADJUST ITEM DATA RANGE INITIAL VALUE Hex Table A Below are the ranges and initial values for each adjustment and in each categories DEF D01 H PHASE 00 1F 0C D02 V SIZE 0...

Страница 8: ... 00 3F 14 S02 VIDEO LEVEL 00 07 03 S03 Y MUTE 00 03 00 01 Y MUTE 02 V STOP Y MUTE 03 Activate color killer circuit S04 SUB BIAS 00 FF 40 Must be 30 S05 R BIAS 00 FF 00 S06 G BIAS 00 FF 00 S07 B BIAS 00 7F 00 S08 R DRIVE 00 7F 40 S09 B DRIVE 00 7F 40 S10 CONTRAST 00 7F 5A S11 TINT 00 7F 40 S12 COLOR 00 7F 40 S13 BRIGHTNESS 00 7F 40 SERVICE POSITION ADJUST ITEM DATA RANGE INITIAL VALUE ADJUSTMENT CO...

Страница 9: ... level 00 2 35 Vdc GND 4 Select the service adjustment S03 and set the data value to 01 to turn off the luminance signal Y mute 5 Select the service adjustment S13 and adjust the data value to obtain 2 35 volts as shown in Figure B 6 Adjust the master screen control until the raster darkens to the point where raster is barely seen 7 Adjust the service adjustment S05 red S06 green S07 blue to obtai...

Страница 10: ...eter is minimum 5 Receive the following composite stereo signal 2 Stereo signal 30 modulation left channel only noise reduction on 3kHz 6 Enter the service mode and select the service adjustment M05 7 Adjust the data until the AC voltage reading of the rms voltmeter is minimum 8 Take the above steps 1 thru 7 again for fine adjustment Vertical Size V Linearity and V S Correction Adjustments Figure ...

Страница 11: ...11 6 5 4 3 2 1 A B C D E F G H 29MR70 CHASSIS LAYOUT ...

Страница 12: ...12 6 5 4 3 2 1 A B C D E F G H 29MR70 BLOCK DIAGRAM ...

Страница 13: ...ormal 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 cathodesof the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart wavef...

Страница 14: ...15 29MR70 14 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 ...

Страница 15: ...16 6 5 4 3 2 1 A B C D E F G H 29MR70 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 16: ...17 6 5 4 3 2 1 A B C D E F G H 29MR70 SCHEMATIC DIAGRAM CRT and FRONT A V Unit ...

Страница 17: ...19 29MR70 18 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES ...

Страница 18: ...21 29MR70 20 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Страница 19: ...AM PWB A DUNTKA450WEV4 MAIN Unit PWB B DUNTK9510WEV1 CRT Unit PWB H DUNTK9310WEV4 FRONT A V Unit TUNER NOTE THE PARTS HERE SHOWN ARE SUPPLIEDAS AN ASSEMBLY BUT NOT INDEPENDENTL Y TU51 VTUVTST5UF770 J Tuner AZ or VTUENV56D82 1 INTEGRATED CIRCUITS IC201 RH iX3354CEN1 X I C AS IC351 VHiAN7511 1 J AN7511 AK IC501 VHiLA7841 1 J LA7841 AM IC701 VHiTEA1507 1 J TEA1507P N1 AL IC702 RH FX0034CEZZ J PC817 A...

Страница 20: ... VHD1SS119 1 J Diode AB or RH DX0475CEZZ D753 RH DX0441CEZZ J Diode AC or RH DX0110CEZZ D758 RH DX0131CEZZ J Diode AC D2201 VHD1SS119 1 J Diode AB or RH DX0475CEZZ D3301 VHD1SS119 1 J Diode AB VA701 RH VX0048CEZZ J Varistor AE or RH VX0035CEZZ or RH VX0019CEZZ or RH VX0074CEZZ PACKAGED CIRCUITS PR701 RMPTP0092CEZZ J Packaged Circuit AH X801 RCRSB0001PEZZ R Crystal AL or RCRSB0205CEZZ FILTERS AND C...

Страница 21: ...10 VCKYPH3DB561K J 560p 2kV Ceramic AC or RC KZ0338CEZZ C717 VCKYPA2HB472K J 4700p 500V Ceramic AB C723 RC EZ0724CEZZ J 100 160V EL AG or RC EX0659CEZZ J 47 160V EL C725 RC EZ0809CEZZ J 220 160V EL AL or RC EX0724CEZZ J 100 160V EL C727 VCKYPA2HB472K J 4700p 500V Ceramic AB C730 VCEA0A1CW108M J 1000 16V EL AD C731 VCEA0A1EW337M J 330 25V EL AC C732 VCKYCY1HF103Z J 0 01 50V Ceramic AA C735 VCCCPA1H...

Страница 22: ...8W Carbon AA R451 VRS RG2HC103J J 10k 1 2W M Ox AA R453 VRD RA2BE152J J 1 5k 1 8W Carbon AA R454 VRD RM2HD184J J 180k 1 2W Carbon AA R455 VRD RA2BE392J J 3 9k 1 8W Carbon AA R456 VRS CY1JF103J J 10k 1 16W M Ox AA R457 VRD RA2BE102J J 1k 1 8W Carbon AA R458 VRD RA2EE564J J 560k 1 4W Carbon AA R461 VRS CY1JF274J J 270k 1 16W M Ox AA R462 VRS CY1JF563J J 56k 1 16W M Ox AA R491 VRS CY1JF102J J 1k 1 16...

Страница 23: ...VRS CY1JF103J J 10k 1 16W M Ox AA R2068 VRS CY1JF103J J 10k 1 16W M Ox AA R2070 VRS CY1JF103J J 10k 1 16W M Ox AA R2072 VRS CY1JF103J J 10k 1 16W M Ox AA R2101 VRS CY1JF101J J 100 1 16W M Ox AA R2102 VRS CY1JF101J J 100 1 16W M Ox AA R2201 VRS CY1JF103J J 10k 1 16W M Ox AA R2202 VRS CY1JF473J J 47k 1 16W M Ox AA R2203 VRS CY1JF332J J 3 3k 1 16W M Ox AA R2211 VRS CY1JF222J J 2 2k 1 16W M Ox AA R221...

Страница 24: ...64 VRD RA2BE221J J 220 1 8W Carbon AA R865 VRS VV3LB123J J 12k 3W 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 RA2BE221J J 220 1 8W Carbon AA R873 VRS VV3LB123J J 12k 3W M Ox AB R874 VRD RM2HD222J J 2 2k 1 2W Carbon AA R881 VRD ...

Страница 25: ...necting Cord AE QCNW 0167MEZZ J Connecting Cord AE PWB H DUNTK9310WEV4 FRONT A V UNIT MISCELLANEOUS PARTS J1001 QJAKE0053GEZZ J Jack Video In AD J1002 QJAKE0055GEZZ J Jack Audio In L AD J1003 QJAKE0059GEZZ J Jack Audio In R AC P1001 QPLGN0541CEZZ J Plug 5 pin HA AB RRMCG1573CESA M Infrared R C Unit AW TiNS 7391GJZZ X Operation Manual AG PACKING PARTS NOT REPLACEMENTITEM SPAKC0212GJZZ Packing Case ...

Страница 26: ...t Ass y BC 1 1 Not Available Front Cabinet 1 2 GCOVA1033MEKA X Cover for R C AG 1 3 HBDGB1009MESB X SHARP Badge AG 1 4 JBTN 1101MEKB X Button Power Vol up down AG 1 5 JBTN 1102MEKB X Button CH up down AG 2 GCABB1144MEKA X Rear Cabinet AY CABINET PARTS CABINET PARTS LOCATION PIP MTS 1 1 1 2 1 4 1 3 1 2 1 5 ...

Страница 27: ...AM PWB A DUNTKA450WEV4 MAIN Unit PWB B DUNTK9510WEV1 CRT Unit PWB H DUNTK9310WEV4 FRONT A V Unit TUNER NOTE THE PARTS HERE SHOWN ARE SUPPLIEDAS AN ASSEMBLY BUT NOT INDEPENDENTL Y TU51 VTUVTST5UF770 J Tuner AZ or VTUENV56D82 1 INTEGRATED CIRCUITS IC201 RH iX3354CEN1 X I C AS IC351 VHiAN7511 1 J AN7511 AK IC501 VHiLA7841 1 J LA7841 AM IC701 VHiTEA1507 1 J TEA1507P N1 AL IC702 RH FX0034CEZZ J PC817 A...

Страница 28: ... VHD1SS119 1 J Diode AB or RH DX0475CEZZ D753 RH DX0441CEZZ J Diode AC or RH DX0110CEZZ D758 RH DX0131CEZZ J Diode AC D2201 VHD1SS119 1 J Diode AB or RH DX0475CEZZ D3301 VHD1SS119 1 J Diode AB VA701 RH VX0048CEZZ J Varistor AE or RH VX0035CEZZ or RH VX0019CEZZ or RH VX0074CEZZ PACKAGED CIRCUITS PR701 RMPTP0092CEZZ J Packaged Circuit AH X801 RCRSB0001PEZZ R Crystal AL or RCRSB0205CEZZ FILTERS AND C...

Страница 29: ...10 VCKYPH3DB561K J 560p 2kV Ceramic AC or RC KZ0338CEZZ C717 VCKYPA2HB472K J 4700p 500V Ceramic AB C723 RC EZ0724CEZZ J 100 160V EL AG or RC EX0659CEZZ J 47 160V EL C725 RC EZ0809CEZZ J 220 160V EL AL or RC EX0724CEZZ J 100 160V EL C727 VCKYPA2HB472K J 4700p 500V Ceramic AB C730 VCEA0A1CW108M J 1000 16V EL AD C731 VCEA0A1EW337M J 330 25V EL AC C732 VCKYCY1HF103Z J 0 01 50V Ceramic AA C735 VCCCPA1H...

Страница 30: ...8W Carbon AA R451 VRS RG2HC103J J 10k 1 2W M Ox AA R453 VRD RA2BE152J J 1 5k 1 8W Carbon AA R454 VRD RM2HD184J J 180k 1 2W Carbon AA R455 VRD RA2BE392J J 3 9k 1 8W Carbon AA R456 VRS CY1JF103J J 10k 1 16W M Ox AA R457 VRD RA2BE102J J 1k 1 8W Carbon AA R458 VRD RA2EE564J J 560k 1 4W Carbon AA R461 VRS CY1JF274J J 270k 1 16W M Ox AA R462 VRS CY1JF563J J 56k 1 16W M Ox AA R491 VRS CY1JF102J J 1k 1 16...

Страница 31: ...VRS CY1JF103J J 10k 1 16W M Ox AA R2068 VRS CY1JF103J J 10k 1 16W M Ox AA R2070 VRS CY1JF103J J 10k 1 16W M Ox AA R2072 VRS CY1JF103J J 10k 1 16W M Ox AA R2101 VRS CY1JF101J J 100 1 16W M Ox AA R2102 VRS CY1JF101J J 100 1 16W M Ox AA R2201 VRS CY1JF103J J 10k 1 16W M Ox AA R2202 VRS CY1JF473J J 47k 1 16W M Ox AA R2203 VRS CY1JF332J J 3 3k 1 16W M Ox AA R2211 VRS CY1JF222J J 2 2k 1 16W M Ox AA R221...

Страница 32: ...64 VRD RA2BE221J J 220 1 8W Carbon AA R865 VRS VV3LB123J J 12k 3W 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 RA2BE221J J 220 1 8W Carbon AA R873 VRS VV3LB123J J 12k 3W M Ox AB R874 VRD RM2HD222J J 2 2k 1 2W Carbon AA R881 VRD ...

Страница 33: ...necting Cord AE QCNW 0167MEZZ J Connecting Cord AE PWB H DUNTK9310WEV4 FRONT A V UNIT MISCELLANEOUS PARTS J1001 QJAKE0053GEZZ J Jack Video In AD J1002 QJAKE0055GEZZ J Jack Audio In L AD J1003 QJAKE0059GEZZ J Jack Audio In R AC P1001 QPLGN0541CEZZ J Plug 5 pin HA AB RRMCG1573CESA M Infrared R C Unit AW TiNS 7391GJZZ X Operation Manual AG PACKING PARTS NOT REPLACEMENTITEM SPAKC0212GJZZ Packing Case ...

Страница 34: ...t Ass y BC 1 1 Not Available Front Cabinet 1 2 GCOVA1033MEKA X Cover for R C AG 1 3 HBDGB1009MESB X SHARP Badge AG 1 4 JBTN 1101MEKB X Button Power Vol up down AG 1 5 JBTN 1102MEKB X Button CH up down AG 2 GCABB1144MEKA X Rear Cabinet AY CABINET PARTS CABINET PARTS LOCATION PIP MTS 1 1 1 2 1 4 1 3 1 2 1 5 ...

Страница 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 ...

Страница 36: ...eval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher D JAPAN P SEMEX TQ1075 S Jun 2001 Printed in Japan MI KG SHARP ELECTRONICA MEXICO S A DE C V Blvd SHARP No 3510 Parque Industrial Rosarito Playas de Rosarito B C 22710 ...

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