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Sharp 27K-X2000, Руководство по обслуживанию

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27K-X2000

27K-X2000

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SCHEMATIC DIAGRAM: SUB and SURROUND Unit

Содержание 27K-X2000

Страница 1: ...2 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 Nominal AUDIO POWER OUTPUT RATING 1 3W 1 3W at 10 distortion and Dual CH Operate SHARP CORPORATION This document has been published to be used for after sales servic...

Страница 2: ... 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 E...

Страница 3: ...ty 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 metal cabinet parts and a known earth ground such as...

Страница 4: ...4 27K X2000 LOCATION OF USER S CONTROL ...

Страница 5: ...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 Operate rece...

Страница 6: ...ure 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 A05 Select the item you wish to adjust 3 Data number selection Press the Vol up or down button to adjust the data number To enter the service mod...

Страница 7: ...C IC401 adjusted S10 TINT 0 63 20 S11 COLOR SUB COLOR 0 31 13 S12 BRIGHT BRIGHTNESS 0 101 58 S13 SHARP SHARPNESS 0 27 5 0 S14 V POSITION 0 7 0 0 S15 H POSITION 0 31 17 S16 R CUT OFF 0 255 64 S17 G CUT OFF 0 255 64 S18 B CUT OFF 0 255 64 S19 G R DRIVE 0 127 64 S20 B DRIVE 0 127 64 S21 Y MUTE V OFF 0 2 0 00 Normal 01 Y mute 03 Horizontal Y mute S22 Y γ CURVE 0 3 0 3 VCJ IC IC401 adjusted S23 VSM PHA...

Страница 8: ...A 0 255 9 10 P06 BGP HADJ 0 15 0 00 P07 FREE RUN FREE_RUN_ADJ 0 15 11 11 C01 PICTURE C SUB CONTRAST 0 31 28 14 Component signal input VCJ IC IC401 adjusted C02 TINT C 0 63 20 14 C03 COLOR C SUB COLOR 0 63 13 3 C04 BRIGHT C BRIGHTNESS 0 101 58 C05 SHARP C SHARPNESS 0 27 5 0 C06 V POSITION C 0 7 0 0 C07 H POSITION C 0 31 19 C08 R CUT OFF C 0 255 64 C09 G CUT OFF C 0 255 64 C10 B CUT OFF C 0 255 64 C...

Страница 9: ...nsate for characteristics of parts including IC401 Data is stored in IC2002 X IC2001 Holding down both the CH up down bottons on the TV set in the service mode for more than 2 seconds will automatically write the above initial values into IC2002 Then perform a complete adjustment Adjust items related to MTS only M01 M05 Adjust items related to picture tube only Adjust items related to P IN P only ...

Страница 10: ...e same contrast as that with the antenna B Sub Tint Adjustment 1 Receive a good local channel through the antenna B 2 Set customer tint control to center of it s range 3 Enter the service mode and select the service adjustment S10 4 Adjust S10 data value to obtain normal flesh tones 5 Receive the same local channel through the antenna A 6 Adjust the A02 setting to achieve the same tint as that wit...

Страница 11: ...service mode and select the service adjustment S01 3 While observing the top and bottom of the screen adjust S01 data value to proper vertical size Vertical Phase Adjustment 1 Enter the service mode and select the service adjustment S14 2 Adjust data value to 00 Note This must be set 00 when changed data retrace line will appear Figure B Horizontal Position Adjustment 1 Have unit receive a good lo...

Страница 12: ...f the rms voltmeter 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 8 again for fine adjustment P IN P Y LEVEL Adjustment 1 Receive a good local ...

Страница 13: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT PWB B PWB H PWB K PWB L PWB R PWB A 13 14 ...

Страница 14: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM 15 16 ...

Страница 15: ... 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 waveform check points See ...

Страница 16: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 19 20 SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 17: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 21 22 SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 18: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 23 24 SCHEMATIC DIAGRAM SUB and SURROUND Unit ...

Страница 19: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 25 26 SCHEMATIC DIAGRAM P IN P Unit ...

Страница 20: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 27 28 PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side ...

Страница 21: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 30 29 PWB A MAIN Unit Chip Parts Side ...

Страница 22: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 31 32 PWB K SUB Unit Wiring Side PWB L SURROUND Unit Wiring Side PWB R P IN P Unit Wiring Side ...

Страница 23: ...27K X2000 27K X2000 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H 33 34 PWB K SURROUND Unit Chip Parts Side PWB L SURROUND Unit Chip Parts Side PWB R P IN P Unit Chip Parts Side ...

Страница 24: ...VHiKiA7045P 1 J KIA7045P AD IC2701 VHiKA78S05P 1 J KIA78S05P AD TRANSISTORS You can substitute VS2SC2462 C 1 or VS2SC2412 C 1 for VS2SD601AR 1 Q451 VS2SA1266 Y 1 J 2SA1266 AA Q601 VS2SC2655Y 1 J 2SC2655 AE å Q602 VS2SD2539 1E M 2SD2539 AL or VS2SD1556 1E J 2SD1556 AP Q602 R603 R609 COMBI 2SD2539 12 3W 12 3W NATION 2SD1556 18 3W 18 3W Q606 VS2SC3198 Y 1 J 2SC3198 AA å Q751 VS2SC1983 2 J 2SC1983 AF ...

Страница 25: ... PACKAGED CIRCUITS å PR701 RMPTP0088CEZZ J Packaged Circuit AM or L702 G0038ME RMPTP0026CEZZ L702 G0032ME AF X801 RCRSB0001PEZZ J Crystal AL or RCRSB0205CEZZ FILTERS CF501 RFiLA0034CEZZ J Filter AD CF2001 RFiLC0121GEZZ J Filter AD COILS DL1401RCiLZ0938CEZZ J Coil AW L601 RCiLZ0621CEZZ J Coil AH å L701 RCiLF0025PEZZ J Coil AE or RCiLF0029PEZZ AH or RCiLF0087PEZZ or RCiLF0235CEZZ AK or RCiLF0019PEZZ...

Страница 26: ... J 330 16V EL AC C760 RC QZA393TAYK J 0 039 50V Mylar AB C781 VCEA0A1HW106M J 10 50V EL AB C782 VCEA0A1HW106M J 10 50V EL AB C803 VCKYCY1HB103K J 0 01 50V Ceramic AA C806 VCKYCY1CB104K J 0 1 16V Ceramic AB C807 VCEA0A1HW225M J 2 2 50V EL AB C812 VCEAGA1HW224T J 0 22 50V EL AB C813 VCQYTA1HM222J J 2200p 50V Mylar AA C814 VCCCCY1HH110J J 11p 50V Ceramic AA C817 VCCCCY1HH1R0C J 1p 50V Ceramic AA C818...

Страница 27: ...1JF000J J 0 1 16W M Ox AA RJ56 VRS CY1JF000J J 0 1 16W M Ox AA RJ57 VRS CY1JF000J J 0 1 16W M Ox AA RJ58 VRS CY1JF000J J 0 1 16W M Ox AA RJ59 VRS CY1JF000J J 0 1 16W M Ox AA RJ60 VRS CY1JF000J J 0 1 16W M Ox AA RJ65 VRS CY1JF000J J 0 1 16W M Ox AA RJ66 VRS CY1JF000J J 0 1 16W M Ox AA RJ67 VRS CY1JF000J J 0 1 16W M Ox AA RJ68 VRS CY1JF000J J 0 1 16W M Ox AA RJ70 VRS CY1JF000J J 0 1 16W M Ox AA R407...

Страница 28: ...DUNTK9640WEK0 MAIN UNIT Continued R820 VRS CY1JF101J J 100 1 16W M Ox AA R821 VRS CY1JF101J J 100 1 16W M Ox AA R822 VRS CY1JF101J J 100 1 16W M Ox AA R823 VRS CY1JF101J J 100 1 16W M Ox AA R827 VRD RA2BE101J J 100 1 8W Carbon AB R828 VRD RA2BE101J J 100 1 8W Carbon AB R830 VRS CY1JF101J J 100 1 16W M Ox AA R1301 VRS CY1JF750J J 75 1 16W M Ox AA R1302 VRS CY1JF750J J 75 1 16W M Ox AA R1305 VRS CY1...

Страница 29: ...S CY1JF682J J 6 8k 1 16W M Ox AA R2028 VRS CY1JF222J J 2 2k 1 16W M Ox AA R2030 VRS CY1JF682J J 6 8k 1 16W M Ox AA R2033 VRS CY1JF471J J 470 1 16W M Ox AA R2034 VRS CY1JF105J J 1M 1 16W M Ox AA R2035 VRS CY1JF153J J 15k 1 16W M Ox AA R2036 VRS CY1JF102J J 1k 1 16W M Ox AA R2037 VRD RA2BE102J J 1k 1 8W Carbon AA R2038 VRD RA2BE223J J 22k 1 8W Carbon AA R2039 VRD RA2BE102J J 1k 1 8W Carbon AA R2040 ...

Страница 30: ... RDA752PRDAR5072CEFW J Heat Sink for IC751 AC PWB A DUNTK9640WEK0 MAIN UNIT Continued PWB B DUNTK9510WEK0 CRT UNIT TRANSISTORS Q851 VS2SC3198 Y 1 J 2SC3198 AA Q852 VS2SC3789 2E M 2SC3789 or VS2SC3619LB1E 2SC3619 AD Q853 VS2SC3198 Y 1 J 2SC3789 AA Q854 VS2SC3789 2E M 2SC3789 or VS2SC3619LB1E 2SC3619 AD Q855 VS2SC3198 Y 1 J 2SC3198 AA Q856 VS2SC3789 2E M 2SC3789 or VS2SC3619LB1E 2SC3619 AD Q881 VS2S...

Страница 31: ... BB å TU71 VTUVTBT5UR201 M Tuner BB INTEGRATED CIRCUITS IC351 VHiTDA7233 1 J TDA7233 AF IC352 VHiTDA7233 1 J TDA7233 AF å IC771 VHiKA7809Pi 1 J KiA7809PI AE IC791 VHiKA7805Pi 1 J KiA7805PI AE IC1501 RH iX2448CEN1 J ST24C02B6 AN IC3001 VHiCXA2074Q 1 J CXA2074Q AY IC3101 VHiMM1111XF1E J MM1111XFBE AE TRANSISTORS You can substitute VS2SC2462 C 1 for VS2SD601AR 1 Q61 VS2SB709AR 1 J 2SB709 AC or VS2SA8...

Страница 32: ... 16V Tantalum AC C3016 VCE9GA1HW475M J 4 7 50V EL N P AB C3017 VCSATA1CE106K J 10 16V Tantalum AD C3018 VCEA0A1HW105M J 1 50V EL AB C3025 VCKYCY1CB473K J 0 047 16V Ceramic AA C3027 VCKYCY1CB473K J 0 047 16V Ceramic AA C3029 VCKYCY1HB682K J 6800p 50V Ceramic AA C3030 VCKYCY1HB682K J 6800p 50V Ceramic AA C3101 VCEA0A1HW106M J 10 50V EL AB RESISTORS M Ox Metal Oxide RJ3 VRS CY1JF000J J 0 1 16W M Ox A...

Страница 33: ...PLGN0361CEZZ J Plug 3 pin KJ AB P3009 QPLGN0361CEZZ J Plug 3 pin KH AB SC3201 QSOCN0685CEZZ J Socket 6 pin LA AC SC3202 QSOCN0685CEZZ J Socket 6 pin LB AC RDA771 PRDAR5072CEFW J Heat Sink for IC771 AC PWB L DUNTK9657WEK0 SURROUND UNIT INTEGRATED CIRCUITS IC3201 VHiAN5285K 1 J AN5285K AP IC3301 VHiNJM2178M 1 J NJM2178M AR CAPACITORS EL Electrolytic C3201 VCE9GA1HW475M J 4 7 50V EL N P AB C3202 VCEA...

Страница 34: ...2SD601 AC Q1882 VS2SD601AR 1 J 2SD601 AC Q1883 VS2SD601AR 1 J 2SD601 AC Q1921 VS2SD601AR 1 J 2SD601 AC Q1941 VS2SB709AR 1 J 2SB709 AC or VS2SA1037KR 1 2SA1037 AA Q1942 VS2SB709AR 1 J 2SB709 AC or VS2SA1037KR 1 2SA1037 AA Q1991 VS2SC1959Y 1E J 2SC1959 AC DIODES You can substitute RH DX0475CEZZ for VHD1SS119 1 D1801 VHD1SS119 1 J Diode AB D1821 VHD1SS119 1 J Diode AB D1991 RH EX0604GEZZ J Zener Diod...

Страница 35: ...JF000J J 0 1 16W M Ox AA R1801 VRS CY1JF473J J 47k 1 16W M Ox AA R1821 VRS CY1JF103J J 10k 1 16W M Ox AA R1822 VRS CY1JF103J J 10k 1 16W M Ox AA R1823 VRS CY1JF183J J 18k 1 16W M Ox AA R1825 VRS CY1JF183J J 18k 1 16W M Ox AA R1828 VRS CY1JF153J J 15k 1 16W M Ox AA R1831 VRS CY1JF332J J 3 3k 1 16W M Ox AA R1832 VRS CY1JF682J J 6 8k 1 16W M Ox AA R1833 VRS CY1JF682J J 6 8k 1 16W M Ox AA R1834 VRS CY...

Страница 36: ...Z M Connecting Cord AF QCNW 0209MEZZ M Connecting Cord AE QCNW 0210MEZZ M Connecting Cord AB QCNW 0211MEZZ M Connecting Cord AB SP1 VSP0080PBM98A M Speaker L AN SP2 VSP0080PBM98A M Speaker R AN å UBUP 0012CEZZ M ANT AS SPAKC0602MEZZ Packing Case SPAKX0165MEZZ Buffer Material SSAKA0004MEZZ Polyethylene Sack SUPPLIED ACCESSORIES PACKING PARTS NOT REPLACEMENT ITEM TGAN 1006MEZZ M Guarantee Card AA Ti...

Страница 37: ...No Description Code 49 27K X2000 PACKING OF THE SET REAR Use 2 tapes fix the packing case Packing Case MARK Not replacement items FRONT Buffer Material Polyethylene Sack Polystyrene Bag Operation Manual Guarantee Card Infrared R C Unit Batteries ...

Страница 38: ... 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 TQ0482 S Jun 1998 Printed in Japan YO KG ...

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