Sharp 27R-S50 Скачать руководство пользователя | Manualshive

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PWB-A: MAIN Unit (Chip Parts Side)

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Содержание 27R-S50

Страница 1: ...ublished 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 1...

Страница 2: ...f this 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 possibility of an X radiation problem ...

Страница 3: ...works 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 such as e...

Страница 4: ...eceiving channel when in Closed Caption mode Basic Remote Control Functions Front Panel POWER Press On Press again Off SENSOR AREA FOR REMOTE CONTROL VOLUME UP DOWN CHANNEL UP DOWN Selects next higher channel Selects next lower channel Press both at same time to access MAIN MENU screen Increases sound Decreases sound VIDEO AUDIO TERMINALS POWER Press On Press again Off REMOTE KEYPAD Accesses any c...

Страница 5: ...ation 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 pic...

Страница 6: ...ideo 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 1 There are 4 adjustment categories 2DEF 3SIGNAL 4FEATURE 5FIX 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 ...

Страница 7: ...E SHOOT 00 03 03 00 F19 CORING 00 03 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...

Страница 8: ...ES SIGNAL S01 RF AGC 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...

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 S14 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: ...oltmeter 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 1 R...

Страница 11: ...11 6 5 4 3 2 1 A B C D E F G H 27R S50 CHASSIS LAYOUT ...

Страница 12: ...12 6 5 4 3 2 1 A B C D E F G H 27R S50 BLOCK DIAGRAM ...

Страница 13: ... 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 waveform check points See chart wa...

Страница 14: ...15 27R S50 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 27R S50 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 16: ...17 6 5 4 3 2 1 A B C D E F G H 27R S50 SCHEMATIC DIAGRAM CRT and FRONT A V Unit ...

Страница 17: ...19 27R S50 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 27R S50 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: ...22 6 5 4 3 2 1 A B C D E F G H 27R S50 PWB H FRONT A V Unit Wiring Side PWB B CRT Unit Wiring Side ...

Страница 20: ...ting Cord DY AM PWB A DUNTKA450WEV2 MAIN Unit PWB B DUNTK9510WEW3 CRT Unit PWB H DUNTK9310WEW7 FRONT A V Unit TUNER NOTE THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY å TU51 VTUVTST5UF770 J Tuner AZ or VTUENV56D82 1 INTEGRATED CIRCUITS å IC201 RH iX3354CEN1 X I C AS IC351 VHiAN7511 1 J AN7511 AK å IC501 VHiLA7841 1 J LA7841 AM å IC701 VHiTEA1507 1 J TEA1507P N1 AL å IC702 ...

Страница 21: ... D732 VHD1SS119 1 J Diode AB or RH DX0475CEZZ D753 RH DX0441CEZZ J Diode AC or RH DX0110CEZZ å D758 RH DX0131CEZZ J Diode AC D2201 VHD1SS119 1 J Diode AB or RH DX0475CEZZ D3301 VHD1SS119 1 J Diode AB å VA701 RH VX0048CEZZ J Varistor AE or RH VX0035CEZZ or RH VX0019CEZZ or RH VX0074CEZZ PACKAGED CIRCUITS å PR701 RMPTP0092CEZZ J Packaged Circuit AH X801 RCRSB0001PEZZ R Crystal AL or RCRSB0205CEZZ FI...

Страница 22: ...ic AC or RC KZ021SCEZZ or RC KZ009SCEZZ or RC KZ0106GEZZ or RC KZ0311CEZZ C710 VCKYPH3DB561K J 560p 2kV Ceramic AC or RC KZ0338CEZZ C717 VCKYPA2HB472K J 4700p 500V Ceramic AB å C723 RC EZ0724CEZZ J 100 160V EL AG or RC EX0659CEZZ J 47 160V EL å C725 RC EZ0809CEZZ J 220 160V EL AL or RC EX0724CEZZ J 100 160V EL C727 VCKYPA2HB472K J 4700p 500V Ceramic AB å C730 VCEA0A1CW108M J 1000 16V EL AD å C731 ...

Страница 23: ...arbon AA å R432 VRD RA2BE472J J 4 7k 1 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 1...

Страница 24: ...J 2 2k 1 16W M Ox AA R2064 VRD RA2BE391J J 390 1 8W Carbon AA R2065 VRS CY1JF000J J 0 1 16W M Ox AA R2066 VRS CY1JF103J J 10k 1 16W M Ox AA R2067 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 ...

Страница 25: ...Carbon AA R859 VRD RA2BE470J J 47 1 8W Carbon AA R860 VRD 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 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 Car...

Страница 26: ... Cord AE QCNW 0167MEZZ J Connecting Cord AE PWB H DUNTK9310WEW7 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 RRMCG1324CESA J Infrared R C Unit AT TGAN 0001GJZZ X Guarantee Card AB TiNS 7289GJZZ X Operation Manual AE PACKING PARTS NOT REPLACEMENT ITEM...

Страница 27: ...binet 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 1096MEKA X Button Power Vol up down AG 1 5 JBTN 1097MEKA X Button CH up down AG 2 GCABB0126GJKA X Rear Cabinet AY CABINET PARTS CABINET PARTS LOCATION 1 2 1 1 1 4 1 3 1 2 1 5 ...

Страница 28: ...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 29: ...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 Feb 2001 Printed in Japan MI KG SHARP CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan ...

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