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Sharp SX76NF200, Руководство по обслуживанию


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SX76NF200

PWB-D IP UNIT

Содержание SX76NF200

Страница 1: ...8 DESCRIPTION OF SCHEMATIC DIAGRAM 26 SCHEMATIC DIAGRAM Ë CRT UNIT 27 Ë MAIN UNIT 28 Ë LED UNIT 35 Ë KEY UNIT 35 Ë POWER UNIT 36 Ë IP UNIT 38 Ë CONTROL UNIT 40 Page PRINTED WIRING BOARD ASSEMBLIES 42 REPLACEMENT PARTS LIST Ë ELECTRICAL PARTS MAIN UNIT 52 POWER UNIT 57 CRT UNIT 60 IP UNIT 61 CONTROL UNIT 63 LED UNIT 63 KEY UNIT 63 Ë MISCELLANEOUS PARTS 64 Ë SUPPLIED ACCESSORIES 64 Ë PACKING PARTS 6...

Страница 2: ...e of the same type number for continued safety 3 Do not lift picture tube by the neck 4 Handle the picture tube only when wearing shatterproof goggles and after discharging the high voltage completely X RAY This receiver is designed so that any X Ray radiation is kept to an absolute Minimum Since certain malfunctions or servicing may produce potentially hazardous radiation with prolonged exposure ...

Страница 3: ...e by Wide mode key 3 About geometry adjustment it is necessary to adjust 2 pattern 50hz interlace signal 60hz interlace signal About Reset TV set 1 When replacing the flash ROM or EEPROM the TV may need to be reset 2 Unless necessary do not reset the TV because the adjustment data will be initialized 3 To reset the TV enter the Reset TV set menu and press the SURROUND key After about 30 seconds th...

Страница 4: ...ntering mode 6 Turn the screen VR in the opposite direction to the point where the horizontal centering raster goes out Note1 Apply the adjustment after aging with the beam current 1 600 50mA or more for 30 min or more 7 Press key of the remote controller to select the normal mode 2 WHITE BALANCE BACKGROUND CUT OFF BKGD I2C bus adjustment 1 Receive E 5CH Monoscope pattern 2 Select Picture Normal w...

Страница 5: ...el for adjustment shown in Fig 1 1 WAVEFORM OR OTHERS NTSC CHROMA ADJUSTMENT NO 1 ADJUSTMENT POINT SUB TINT I2C bus adjutment RF signal ADJUSTMENT CONDITION PROCEDURE 1 Select the sub tint adjustment mode to receive NTSC colour bar 2 Connect the oscilloscope to TP1803 Range 20mV Div AC Use Probe 10 1 Sweep time 10µsec Div 3 Vary the sub tint data to adjust the waveform to be gained as shown in Fig...

Страница 6: ...eive the Monoscope Pattern signal 2 Press R C to set Picture NORMAL condition 3 Select full mode 4 Adjust the focus control to get the best focusing WAVEFORM OR OTHERS Adjusted point PROTECTOR OPERATION CHECKING NO 1 2 ADJUSTMENT POINT H V PROTECTOR OTHER PROTECTOR ADJUSTMENT CONDITION PROCEDURE 1 Receive Monoscope Pattern signal 2 Connect output of Bias Box to D757 cathode 3 Set voltage of Bias B...

Страница 7: ...ANCE BASS ADJUSTMENT CONDITION PROCEDURE 1 Receive the PAL COLOUR BAR signal press the COLOUR SYSTEM key to select modes except PAL check the COLOUR is not working properly Then select the PAL mode Check again its colour so that it is working properly 2 Receive SECAM COLOUR BAR signal press COLOUR SYSTEM key to select modes except SECAM check the COLOUR is not working properly Then select the SECA...

Страница 8: ...wn key to check whether the V SCROLL effect is OK or not WAVEFORM OR OTHERS CHECKING FUNCTION OPERATION TEXT MODE NO 1 2 ADJUSTMENT POINT TEXT TEXT key ADJUSTMENT CONDITION PROCEDURE 1 Receive E 10ch signal 2 Press TEXT key to check change TEXT mode TELETEXT mode MIXED mode TEXT off 1 Receive E 10ch signal 2 Press HALF PAGE HOLD REVEAL CLOCK CANCEL LIST INDEX and RESET key to check whether each ef...

Страница 9: ...f SE connector Does noise or signal appear Check IC4003 RGB output Normal Check pin 3 of IC1801 IC1802 IC1803 Signal or Noise Check R651 Heater Screen connection and Peripheral circuits of T630 FBT and CRT Check TU201 tuner SF201 and Peripheral parts Check IC201 Q205 and their Peripheral circuits Check IC4003 and their Peripheral circuits Check KY connection IC1801 IC1802 IC1803 and their Peripher...

Страница 10: ...X76NF200 TROUBLE SHOOTING FLOWCHART NO SOUND Check sound setting by R C Siganl should be received Check C1302 C1309 Voltage Approx 13V 13V Check IC1301 IC1302 and Speaker 0V Check L1302 L1303 D746 and D748 ...

Страница 11: ...light Check 3pin of SD connector Check C2751 Voltage Approx 6V Check C2705 Voltage Refer to No Picture trouble shooting Check IC2700 GREEN RED Approx 320V Completely 0V No Input Pulse Check Vertical Circuit Check IC1001 62pin RY701 Check R2702 F701 and AA connection 0V No Light Check Q1002 Q1001 ...

Страница 12: ...FLOWCHART NO VERTICAL SCAN Check the Voltage at pin 15 1 of IC502 Normal approx 14V Check IC502 and related circuits Check D613 D615 R647 and R646 Check IC4003 and peripheral parts Check vertical trigger pulse at pin 12 13 of IC502 ...

Страница 13: ...13 SX76NF200 WAVEFORMS ...

Страница 14: ...14 SX76NF200 ...

Страница 15: ...15 SX76NF200 ...

Страница 16: ...16 SX76NF200 CHASSIS LAYOUT ...

Страница 17: ...17 SX76NF200 ...

Страница 18: ...18 SX76NF200 BLOCK DIAGRAM PWB A MAIN UNIT ...

Страница 19: ...19 SX76NF200 ...

Страница 20: ...20 SX76NF200 PWB B POWER UNIT ...

Страница 21: ...21 SX76NF200 ...

Страница 22: ...22 SX76NF200 PWB D IP UNIT ...

Страница 23: ...23 SX76NF200 ...

Страница 24: ...24 SX76NF200 PWB C CRT UNIT PWB E CONTROL UNIT ...

Страница 25: ...25 SX76NF200 PWB F LED UNIT PWB H KEY UNIT ...

Страница 26: ...SED BY THIS LINE IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE WHEN SERVICING THE AREA CONNECT AN ISOLATING TRANS FORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK NOTES 1 The unit of resistance ohm is omitted K 1000 ohms M Meg ohm 2 All resistors are 1 16 watt unless otherwise noted 3 All capacitors are µF unless therwise noted P µµF VOLTAGE MEASUREMENT CONDITIONS 1 Volta...

Страница 27: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 27 SX76NF200 CRT UNIT SCHEMATIC DIAGRAM ...

Страница 28: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 28 SX76NF200 MAIN UNIT 1 4 ...

Страница 29: ...10 11 12 13 14 15 16 17 18 19 29 SX76NF200 ...

Страница 30: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 30 SX76NF200 MAIN UNIT 2 4 ...

Страница 31: ...10 11 12 13 14 15 16 17 18 19 31 SX76NF200 ...

Страница 32: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 32 SX76NF200 MAIN UNIT 3 4 ...

Страница 33: ...10 11 12 13 14 15 16 17 18 19 33 SX76NF200 ...

Страница 34: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 34 SX76NF200 MAIN UNIT 4 4 ...

Страница 35: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 35 SX76NF200 LED UNIT KEY UNIT ...

Страница 36: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 36 SX76NF200 POWER UNIT ...

Страница 37: ...10 11 12 13 14 15 16 17 18 19 37 SX76NF200 ...

Страница 38: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 38 SX76NF200 IP UNIT ...

Страница 39: ...10 11 12 13 14 15 16 17 18 19 39 SX76NF200 ...

Страница 40: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 40 SX76NF200 CONTROL UNIT ...

Страница 41: ...10 11 12 13 14 15 16 17 18 19 41 SX76NF200 ...

Страница 42: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 42 SX76NF200 PWB A MAIN UNIT Wiring side PRINTED WIRING BOARD ASSEMBLIES ...

Страница 43: ...10 11 12 13 14 15 16 17 18 19 43 SX76NF200 ...

Страница 44: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 44 SX76NF200 PWB A MAIN UNIT Chip Parts Side ...

Страница 45: ...10 11 12 13 14 15 16 17 18 19 45 SX76NF200 ...

Страница 46: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 46 SX76NF200 PWB B POWER UNIT Wiring side ...

Страница 47: ...10 11 12 13 14 15 16 17 18 19 47 SX76NF200 ...

Страница 48: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 48 SX76NF200 PWB C CRT UNIT Wiring side ...

Страница 49: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 49 SX76NF200 PWB D IP UNIT A side PWB D IP UNIT B Side ...

Страница 50: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 50 SX76NF200 PWB E CONTROL UNIT Wiring side ...

Страница 51: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 51 SX76NF200 PWB F LED UNIT Wiring side PWB H KEY UNIT Wiring side ...

Страница 52: ...37VF040 90 AW IC1003 VHiBA033FP 1Y R BA033FP E2 AG IC1004 VHiBA025FP 1Y R BA25BC0FP E2 AG IC1005 VHiBR24C64F 1Y R BR24C64F E2 AL IC1006 VHiPST600H 1 R IC PST600H 2 AD IC1201 VHiPQ05RD11 1 R PQ05RD11 AG IC1202 VHiPQ05RD11 1 R PQ05RD11 AG IC1203 VHiPQ1CG21H1E R PQ1CG21H2RZ AH IC1204 VHiPQ09RD11 1 R PQ09RD11 AG IC1205 VHiKA7812AP 1 R KIA7812API AE IC1207 VHiUPC358C 1 R UPC358C AD IC1301 VHiTDA7480 1 ...

Страница 53: ...aking 100µH AB L1301 RCiLP0195CEZZ R Coil AC L1302 VP CF3R3K0000Y R Peaking 3 3µH AC L1303 VP CF3R3K0000Y R Peaking 3 3µH AC L1304 VP CF3R3K0000Y R Peaking 3 3µH AC L1305 VP CF3R3K0000Y R Peaking 3 3µH AC L1306 RCiLP0195CEZZ R Coil AC L1307 VP CF3R3K0000Y R Peaking 3 3µH AC L1308 VP CF3R3K0000Y R Peaking 3 3µH AC L1309 RCiLP0195CEZZ R Coil AC FILTERS SF201 RFiLC0444CEZZ R Filter AN SF202 RFiLC0445...

Страница 54: ...22p 50V Ceramic AA C1034 VCCCCY1HH220JY R 22p 50V Ceramic AA C1036 VCEA0A1CW476M R 47 16V Electrolytic AB C1037 VCEA0A1HW105M R 1 50V Electrolytic AB C1039 VCKYCY1HF103ZY R 0 01 50V Ceramic AA C1040 VCKYCY1EF104ZY R 0 1 25V Ceramic AA C1041 VCKYCY1EF104ZY R 0 1 25V Ceramic AA C1042 VCEA0A1CW476M R 47 16V Electrolytic AB C1091 VCKYCY1HF103ZY R 0 01 50V Ceramic AA C1092 VCCCCY1HH560JY R 56p 50V Cera...

Страница 55: ...Oxide AA R246 VRS CY1JF103JY R 10k 1 16W Metal Oxide AA R251 VRS CY1JF000JY R 0 1 16W Metal Oxide AA R252 VRS CY1JF473JY R 47k 1 16W Metal Oxide AA R253 VRS CY1JF683JY R 68k 1 16W Metal Oxide AA R254 VRS CY1JF271JY R 270 1 16W Metal Oxide AA R255 VRS CY1JF271JY R 270 1 16W Metal Oxide AA R256 VRD RA2BE123JY R 12k 1 8W Carbon AA R257 VRS CY1JF680JY R 68 1 16W Metal Oxide AA R258 VRS CY1JF101JY R 10...

Страница 56: ...082 VRS CY1JF562JY R 5 6k 1 16W Metal Oxide AA R1083 VRS CY1JF331JY R 330 1 16W Metal Oxide AA R1084 VRS CY1JF562JY R 5 6k 1 16W Metal Oxide AA R1085 VRS CY1JF000JY R 0 1 16W Metal Oxide AA R1091 VRS CY1JF103JY R 10k 1 16W Metal Oxide AA R1092 VRD RA2BE562JY R 5 6k 1 8W Carbon AA R1093 VRS CY1JF332JY R 3 3k 1 16W Metal Oxide AA R1094 VRS CY1JF562JY R 5 6k 1 16W Metal Oxide AA R1095 VRS CY1JF103JY ...

Страница 57: ...PLGNA110WJZZ R Plug 5Pin XD AB P1005 QPLGNA109WJZZ R Plug 4Pin XF AB P1006 QPLGNA109WJZZ R Plug 4Pin XJ AB P1008 QPLGNA108WJZZ R Plug 3Pin XG AB P1009 QPLGNA108WJZZ R Plug 3Pin XH AB P1011 QPLGNA108WJZZ R Plug 3Pin RT AB P1012 QPLGNA111WJZZ R Plug 6Pin RA AB P1301 QPLGNA109WJZZ R Plug 4Pin SS AB P1302 QPLGNA107WJZZ R Plug 2Pin SW AA P9503 QPLGZ1040CEZZ R Plug 10Pin XA AE P9504 QPLGZ1040CEZZ R Plug...

Страница 58: ...zed Polypro Film C612 VCQYTA1HM103J R 0 01 50V Mylar AB C614 VCEA0A1HW226M R 22 50V Electrolytic AB C615 VCE9GA1HW335M R 3 3 50V Electrolytic N P AB C616 VCFYFA1HA224J R 0 22 50V Mylar AB C617 VCKYPA1HB391K R 390p 50V Ceramic AA C618 VCKYPA1HB391K R 390p 50V Ceramic AA C619 VCEA0A1EW108M R 1000 25V Electrolytic AD C620 VCKYPA2HB102K R 1000p 500V Ceramic AA C621 VCKYPA2HB102K R 1000p 500V Ceramic A...

Страница 59: ...ement AG å R705 VRW KQ41C1R5K R 1 5 15W Cement AG R709 VRD RM2HD270JY R 27 1 2W Carbon AA R710 VRD RA2BE473JY R 47k 1 8W Carbon AA R711 VRD RA2BE102JY R 1k 1 8W Carbon AA R712 VRD RM2HD102JY R 1k 1 2W Carbon AA R713 VRD RA2BE333JY R 33k 1 8W Carbon AA R714 VRD RA2BE562JY R 5 6k 1 8W Carbon AA R715 VRN VV3DBR12J R 0 12 2W Metal Film AB R716 VRD RM2HD122JY R 1 2k 1 2W Carbon AA R717 VRN VV3DBR12J R ...

Страница 60: ...CQYTA1HM102J R 1000p 50V Mylar AB C1817 VCEA0A2EW106M R 10 250V Electrolytic AD C1820 VCKYPA1HF103Z R 0 01 50V Ceramic AA C1821 VCEA0A1HW106M R 10 50V Electrolytic AB C1827 VCKYPA1HF103Z R 0 01 50V Ceramic AA C1851 VCEA0A1EW476M R 47 25V Electrolytic AB C1852 VCKYPA1HF103Z R 0 01 50V Ceramic AA C1853 VCKYPA1HF103Z R 0 01 50V Ceramic AA C1854 VCKYPA2HB472K R 4700p 500V Ceramic AB C1855 VCKYPA2HB472...

Страница 61: ...V AD D4008 VHDDAN202K 1Y R DAN202K AB D4017 VHDDAN202K 1Y R DAN202K AB D4021 RH EX1394CEZZY R Zener Diode 5 6V AB D4023 RH EX1394CEZZY R Zener Diode 5 6V AB D4024 RH EX1394CEZZY R Zener Diode 5 6V AB D4025 RH EX1394CEZZY R Zener Diode 5 6V AB PACKAGED CIRCUITS X4005 RCRSB0102SEZZ R Crystal AH X4006 RCRSAA021WJZZ R Crystal AF COILS L4002 VPACK4R7J0000 R Peaking 4 7µH AB L4004 VPACK4R7J0000 R Peakin...

Страница 62: ...00 1 16W Metal Oxide AA R4084 VRS CY1JF101JY R 100 1 16W Metal Oxide AA R4085 VRS CY1JF682JY R 6 8k 1 16W Metal Oxide AA R4087 VRS CY1JF682JY R 6 8k 1 16W Metal Oxide AA R4088 VRS CY1JF682JY R 6 8k 1 16W Metal Oxide AA R4091 VRS CY1JF102JY R 1k 1 16W Metal Oxide AA R4094 VRS CY1JF101JY R 100 1 16W Metal Oxide AA R4096 VRS CY1JF000JY R 0 1 16W Metal Oxide AA R4113 VRS TV1JD000JY R 0 1 16W Metal Oxi...

Страница 63: ... 1k 1 8W Carbon AA R2003 VRD RA2BE103JY R 10k 1 8W Carbon AA R2004 VRD RA2BE391JY R 390 1 8W Carbon AA R2005 VRD RA2BE391JY R 390 1 8W Carbon AA R2011 VRD RA2BE101JY R 100 1 8W Carbon AA R2012 VRD RA2BE101JY R 100 1 8W Carbon AA R2020 VRD RA2EE750JY R 75 1 4W Carbon AA R2021 VRD RA2BE104JY R 100k 1 8W Carbon AA R2022 VRD RA2BE104JY R 100k 1 8W Carbon AA R2029 VRD RA2EE102JY R 1k 1 4W Carbon AA R27...

Страница 64: ...D PZETV0031PEZZ R Insulator AC PCLiC0002PEZZ R Clip AB PSLDMA416WJFW R Shield SUPPLIED ACCESSORIES ACCESSORIES RRMCGA207WJSA R Infrared Remote Control Unit TiNS A939WJZZ R Operation Manual PACKING PARTS NOT REPLACEMENT ITEM SPAKCA948WJZZ Packing Case SPAKPA048WJZZ Wrapping Paper SPAKXA154WJZZ Buffer Material SSAKA0031PEZZ Polyethylene Bag CABINET PARTS 1 CCABAA416WEV0 R Front Cabinet Ass y 1 1 Not...

Страница 65: ...ET Polystyrene Bag Operation Manual Batteries Infrared Remote Control Unit Buffer Material Packing Case Fix the packing case with 22 staples Number Card Polyethylene Mat Mark Not Replacement Item Buffer Material Serial Number Card ...

Страница 66: ...d 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 TQ1723 S Mar 2004 Printed in Japan In Japan gedruckt MY DS Design and Production Information Design JAPAN Production SREC ...

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