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Sharp 21V-R70M, Руководство по обслуживанию

Service Manual для телевизора Sharp 21V-R70M теперь доступен для загрузки бесплатно на нашем сайте. Руководство поможет вам разобраться с настройками и функциями вашего устройства. Загрузите его сейчас с manualshive.com и получите полезную информацию для использования телевизора в полную силу.

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CHASSIS LAYOUT

21V-R70M

DUNTKD373WE

PR701

Содержание 21V-R70M

Страница 1: ...10 230 V AC 50 60 Hz POWER RATING 82 W PICTURE SIZE 1 240 cm2 192sq 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 3 W SPEAKER SIZE 9 cm x 5 cm VOICE COIL IMPEDANCE 16 ohm at 400 Hz ANTE...

Страница 2: ...xceed 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 to locate the ...

Страница 3: ...15uF capacitor in 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 BEFORE RETURNING THE RECEIVER Fire Shock Hazard Before returning the receiver to the user perform the following safe...

Страница 4: ...al video INPUT 2 mode Press 3 times Switch back to the original TV mode Selects next higher channel Selects next lower channel presetting Press Accesses MAIN MENU Press again Exits MAIN MENU DISPLAY Press Displays receiving channel for four seconds Press again Removes display Temporarily displays receiving channel when in Closed Caption mode Increases sound Decreases sound In menu mode changes or ...

Страница 5: ...operation 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 v oltage is not adjustab le but must be c hecked 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...

Страница 6: ...t MENU SERVICE MODE 6 AFT processing is disabled during service mode PLL setting data is set to fo data 7 All user data are set to default during service mode FAO and SPEAKER user settings are off and on respectively in service mode Energy Save is off 8 Sleep timer View timer on timer and off timer are inactivated in Service mode 9 Sound is muting in service mode except at Adjustment Items V20 M01...

Страница 7: ... CUTOFF 1 Chip R CUTOFF 0 255 127 V12 G CUTOFF 1 Chip G CUTOFF 0 255 127 V13 B CUTOFF 1 Chip B CUTOFF 0 255 127 V14 R DRIVE 1 Chip R DRIVE 0 127 64 V15 B DRIVE 1 Chip B DRIVE 0 127 64 V16 SUB COLOR YUV 1 Chip COLOR 0 127 64 V17 SUB TINT YUV 1 Chip BASEBAND TINT 0 127 64 V18 CC POS MICON CC POS 0 255 32 V19 SCREEN CUT OFF 1 Chip CUT OFF 0 2 0 V20 SUB VOL 1 Chip A ATT 0 127 127 V21 H VCO 1 Chip H VC...

Страница 8: ...et as AD input 4 By decreasing RF AGC 1chip data from current RF AGC adjustment value to 0 AFT input voltage becomes the maximum setting value 5 Increase RF AGC 1chip data when AFT input voltage is at max 0 3V point adjustment is completed 6 When adjustment completed OSD display and RF AGC self adjustment status data of EEPROM are updated 7 Intelligent monitor output and IM input mode are recovere...

Страница 9: ...FSET R DRI OFFSET 32 32 0 F24 R DRI R OFFSET R DRI OFFSET 32 32 0 F25 R DRI B OFFSET R DRI OFFSET 32 32 0 F26 B DRI R2 OFFSET B DRI OFFSET 32 32 0 F27 B DRI R OFFSET B DRI OFFSET 32 32 0 F28 B DRI B OFFSET B DRI OFFSET 32 32 0 F29 V FREE 1 Chips V FREE 0 1 0 F30 GAMMA 1 Chips GAMMA 0 3 0 F31 TRAP TV 1 Chips TRAP FINE 0 3 2 F32 TRAP AV 1 Chips TRAP FINE 0 3 2 F33 H FREE 1 Chips H FREE 0 1 0 F34 1W ...

Страница 10: ... 0 F61 OFFSET ADJ TINT 1 Chips TINT 32 32 0 F62 OFFSET ADJ TINT YUV 1 Chips BASEBAND TINT 32 32 0 F63 TIMER4 LOW SPEED 1 Chips TIMER4 VALUE 0 225 50 F64 TIMER4 HIGH SPEED 1 Chips TIMER4 VALUE 0 225 125 F65 R CUT YUV 1 Chips R CUT OFFSET 63 63 0 F66 G CUT YUV 1 Chips G CUT OFFSET 63 63 0 F67 B CUT YUV 1 Chips B CUT OFFSET 63 63 0 F68 R DRI YUV 1 Chips R DRI OFFSET 63 63 0 F69 B DRI YUV 1 Chips B DR...

Страница 11: ... system AV2 system 1 015 MTS Without MTS With MTS 1 016 TONE CTRL Without S ADJ With S ADJ 1 017 AUTO OFF Without AUTO OFF With AUTO OFF 1 018 INIT LANG ENGLISH SPANISH 1 019 SETUP FLAG NO SET UP AUTO SET UP 1 020 AV FR 0 NO AV 1 REAR 2 FRONT 3 REAR FRONT 3 021 AV3 S IN Without AV3 S IN With AV3 S IN 0 022 COMB Without COMB With COMB 0 023 AUTO INPUT Without AUTO INPUT With AUTO INPUT 1 024 CLOCK ...

Страница 12: ...03 SUB COLOR COLOR 0 127 64 V04 SUB BRIGHT BRIGHT 0 255 128 V05 SUB SHARP VIDEO TONE 0 63 43 V06 V SHIFT V SHIFT 0 7 4 V07 H SHIFT H PHASE 0 31 16 V08 RF AGC RF DELAY 0 127 127 V09 V SIZE V SIZE 0 63 32 V10 PIF VCO VIF VCO 0 63 32 V11 R CUTOFF R CUTOFF 0 255 127 V12 G CUTOFF G CUTOFF 0 255 127 V13 B CUTOFF B CUTOFF 0 255 127 V14 R DRIVE R DRIVE 0 127 64 V15 B DRIVE B DRIVE 0 127 64 V16 SUB COLOR Y...

Страница 13: ...0 F23 R DRI R2 R DRI OFFSET 32 32 0 F24 R DRI R R DRI OFFSET 32 32 0 F25 R DRI B R DRI OFFSET 32 32 0 F26 B DRI R2 B DRI OFFSET 32 32 0 F27 B DRI R B DRI OFFSET 32 32 0 F28 B DRI B B DRI OFFSET 32 32 0 F29 V FREE V FREE 0 1 0 F30 GAMMA GAMMA 0 3 0 F31 TRAP TV TRAP FINE 0 3 2 F32 TRAP AV TRAP FINE 0 3 2 F33 H FREE H FREE 0 1 0 F34 1W TV V WINDOW 0 1 0 F35 1W AV V WINDOW 0 1 0 F36 YLPF YSW LPF 0 1 1...

Страница 14: ...04 SPEAKER SPEAKER DISABLE ENABLE 1 005 FAO FAO DISABLE ENABLE 1 006 P PREF P REF DISABLE ENABLE 1 007 UNIV UNIV DISABLE ENABLE 1 008 VIEW TIMER VIEW TIMER DISABLE ENABLE 1 009 EZ SETUP EZ SETUP AUTO PRESET 0 010 PON CH POWER ON DISABLE ENABLE 0 011 FAV COL FAV COL COL TEMP 1 012 COMPONENT COMPONENT DISABLE ENABLE 1 013 AV AV DISABLE ENABLE 1 014 AV2 AV1 AV2 1 015 MTS MTS DISABLE ENABLE 1 016 TONE...

Страница 15: ...MP 018 0 ENGLISH 1 SPANISH 019 0 NO SET UP 1 AUTO SETIP 025 0 SEMEX SPEC 1 SPC SPEC SYMBOL REVISED CONTENT DATA SETUP FOR FIRST AND SECOND STAGE SERVICE DATA DATA SETUP FOR FIRST AND SECOND STAGE SERVICE DATA BUS SET UP REFER AS BELOW STEP RANGE REFER AS BELOW OSD CHECKING ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HISTORY...

Страница 16: ...B ADJ FROM THE BEST POINT SO THAT B SLIDELY SMALLER THAN A CHECKING SPEC LEFT AND RIGHT SYMMETRICAL SYMBOL REVISED CONTENT A B ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HISTORY OF REVISION ADJUST THE V09 BUS DATA UNTILL THE OVERSCAN BECOME AS SPECIFIED BELOW CAUTION PLEASE AGING TV MORE THAN 10 MINUTES BEFORE ADJUSTMENT V...

Страница 17: ...BALANCE IN VERTICAL POSITION NOTE THE DATA FOR V06 LIMIT AT 04 EVEN POSITION GOOD ENOUGH CHECKING CONFIRMATION SYMBOL REVISED CONTENT ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HISTORY OF REVISION 1 BY SELECTING THE V18 BOX BLK TEXT WILL BE APPEARED 2 ADJUST THE V18 BUS DATA TO HAVE A BALANCE POSITION TO SPEC OF A B CLOSED...

Страница 18: ...HISTORY OF REVISION ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HISTORY OF REVISION AT SELF ADJUSTMENT MODE 1 GO INTO SERVICE MODE BY SELECTING THE SERVICE DATA V10 2 PRESS THE R C FOR AUTO PIF VCO KEY OSD APPEAR OK AT SCREEN 3 IF APPEAR NG PLS REPEAT STEP 2 AT MANUAL ADJUSTMENT MODE 1 GO INTO SERVICE MODE BY SELECTING THE ...

Страница 19: ... BEAT VOLTAGE CONFIRMATION MAX 0 1V dc SYMBOL REVISED CONTENT ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HISTORY OF REVISION 1 IN SERVICE MODE SET V04 V11 V12 V13 TO 127 V14 V15 TO 64 GET IN Y MUTE BY R C AND SET V19 TO 1 PICTURE APPEAR IN CUT OFF CONDITION 2 ADJUST THE SCREEN SO THAT CUT OFF LINE APPEAR IN LOW BRIGHT THEN...

Страница 20: ...F THE VALUE SHIFTED AWAY FROM THE DATA ADJUSTED IN STEP 1 ADJUST AGAIN THE TWO SERVICE DATA WHICH HAVE CHOSEN AT SCREEN ADJUST SO THAT TO OBTAIN THE SIMILAR AXIS AS ABOVE WARNING DO NOT DISTURB THE MINI STEP GUN DATA DURING THIS ADJUSTMENT REPEAT STEP 1 2 TO GET A REGULATED POSITION CHECKING CONFIRMATION X 0 273 Y 0 280 11 600 K 1 MPCD SYMBOL REVISED CONTENT BLACK US14 WHITE ADJUSTMENT ITEM ADJUST...

Страница 21: ... T MATCH THE SPEC VOLTAGE CONFIRMATION BRIGHTNESS Y 150 cd m2 SYMBOL REVISED CONTENT US14 WHITE ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUT ADJUSTMENT PROCEDURE HISTORY OF REVISION 1 GET IN Y MUTE FUNCTION BY R C 2 ADJUST THE V02 BUS DATA TO GET A WAVEFORM AS BELOW 3 DISABLE THE Y MUTE PLS TAKE NOTE THAT SERVICE MODE DATA F61 NEED TO SET 8 SUB ...

Страница 22: ...ITION VOLTAGE CONFIRMATION CHECK THE VOLTAGE OF P603 PIN 3 AS SPECIFIED BELOW OPERATION CONFIRMATION SUPPLY THE DC VOLTAGE TO P603 PIN 3 AND MAKE SURE THE PRO TECTOR IS FUNCTIONED HORIZONTAL OSCILATION STOP AND PICTURE DISAPPEAR RECOVER INFORMATION PULL OUT THE AC CORD CAUTION FROM THE RECOVER CONFIRMATION MENTIONED ABOVE THE AC CODE MUST BE PULLED OUT AT LEAST 4 SECOND BEFORE PLUG GING IN AGAIN I...

Страница 23: ... CONFIRM THE VOLTAGE OF CRT ANODE BY HIGH VOLTAGE METER AND MAKE SURE THE READING IS AS BELOW CAUTION POINT USE ELECTROSTATIC HI VOLTAGE METER AND FOLLOW THE UL DHHS STANDARD TO MAKE CORRECTION AND CONTROL SYMBOL REVISED CONTENT ADJUSTMENT ITEM ADJUSTMENT POSITION CONTROL PRE ADJUST REQUIREMENT CONTENT INPUT CONDITION OUTPUTW ADJUSTMENT PROCEDURE HISTORY OF REVISION HIGH VOLTAGE BELOW 28 5kV 21V R...

Страница 24: ...24 WAVEFORMS 21V R70M ...

Страница 25: ...25 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT 21V R70M DUNTKD373WE PR701 ...

Страница 26: ...26 6 5 4 3 2 1 A B C D E F G H CRT BLOCK DIA GRAM 21V R70M ...

Страница 27: ...27 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MAIN BLOCK DIAGRAM 21V R70M C APC FSC 2 TV AUDIO OUT AUDIO BYPASS EX AUDIO IN VIF VCO VIF APC VIF AGC2 VIF AGC1 NC VOLUME IC303 IC3002 REAR FRONT ...

Страница 28: ...28 21V R70M 10 11 12 13 14 15 16 17 18 19 FILT HLF V HOLD SAV L VOL FR P MONO POW ...

Страница 29: ... 2 All voltages measured with 1000mV 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 waveforms are measured from point indicated t...

Страница 30: ...220 47 R609 27 1 2 W C720 1u 50V 22 0 0022 21V R70M 1 FA123WJ 100K 47K 22K 2 7 8500P 852 220u 25V 47u 0 56u 13K 33K 1 5 5 6K 15K 1 ...

Страница 31: ...21V R230S 21V R70M 21V R75M 21V R80M 560P 330P 220P VB540ADAC1S1E ...

Страница 32: ...3 720 R462 123 605 C451 R846 R837 601 609 R1058 909 R1076 R1055 908 911 R1007 C1015 607 R1894 417 R1014 R753 R662 R 3 9 1 R 3 8 2 R 3 8 4 429 C321 R825 R827 C332 C311 C310 C304 R304 C312 B E 145 116 R826 R812 606 204 DUNTKD373WE QPWBFD373WJZZ 33 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES 21V R70M ...

Страница 33: ...18 5 5 C1 0 1 3 C1 0 1 1 C1 0 0 9 R8 1 7 R8 0 7 C8 1 4 R1 0 6 4 R1 0 6 3 Q8 0 4 R8 4 2 R1 0 6 5 C8 2 3 R8 1 5 C1 0 0 8 C8 1 5 R8 1 4 R8 1 6 R8 1 2 R1 0 6 2 C8 1 6 R1 0 6 1 C8 2 6 R8 3 2 C8 1 9 C8 2 1 D1 0 8 6 R8 4 7 C8 2 8 C8 3 0 R8 4 4 C8 3 1 C8 3 3 C8 3 2 R8 4 5 C1 8 5 6 R8 5 3 C8 5 3 R1 8 5 4 RJ 2 5 C8 3 9 C8 3 6 C8 4 1 R8 3 3 C1 8 6 7 C8 4 7 C8 4 5 C8 4 6 R8 3 5 RJ 2 6 F DC3 R8 2 8 I C8 0 1 C8...

Страница 34: ...35 6 5 4 3 2 1 A B C D E F G H 21V R70M PWB B CRT Unit Wiring Side ...

Страница 35: ... DX0441CE D510 RH DX0131CEZZ DX0131CE D601 VHD1SS119 1 D1SS119 D602 VHD1SS244 1 1SS244 D603 RH EX0667GEZZ Zener EX0667GE D606 RH DX0131CEZZ DX0131CE D701 RH DX0476CEZZ DX0476CE D706 RH DX0066GEZZ DX0066GE D707 RH DX0066GEZZ DX0066GE D709 RH DX0066GEZZ DX0066GE D710 VHD1SS119 1 D1SS119 D715 RH EX0615GEZZ Zener EX0615GE D721 RH DX0066GEZZ DX0066GE D722 RH EX0669GEZZ Zener EX0669GE D723 RH EX0640GEZZ...

Страница 36: ...r C610 VCEA0A1EW227M 220 25V EL CF201 RFILC0447CEZZ Ceramic Filter C611 VCFPVC2DB474J 0 47 200V M Poly CF802 RFILC0446CEZZ Ceramic Filter C642 VCEA0A1EW476M 47 25V EL L203 VP DF270K0000 Peaking 27 µH C643 VCEA0A1CW477M 470 16V EL L204 VP XF1R2K0000 Peaking 1 2 µH C650 VCKYPA2HB101K 100p 500V Ceramic L701 RCILFA187WJZZ Coil C701 RC FZ029SCEZZ 0 22 275V M Poly L751 RCILP0179CEZZ Coil C702 RC KZ0029C...

Страница 37: ... ox C838 VCEA0A1CW106M 10 16V EL R366 VRS CY1JF332J 3 3k 1 16W M Ox C839 VCKYCY1HB332K 3300p 50V Ceramic R391 VRN VV3ABR22J 0 22 1W M Film C840 VCFYFA1HA105J 1 50V M Poly R436 VRD RA2BE101J 100 1 8W Carbon C841 VCCCCY1HH101J 100p 50V Ceramic R461 VRS CY1JF750J 75 1 16W M Ox C842 VCEA0A1HW474M 0 47 50V EL R462 VRD RA2BE101J 100 1 8W Carbon C843 VCEA0A1HW105M 1 50V EL R501 VRD RA2BE103J 10k 1 8W Car...

Страница 38: ... M Ox R802 VRS CY1JF682J 6 8k 1 16W M Ox R1047 VRS CY1JF183J 18k 1 16W M Ox R803 VRS CY1JF103J 10k 1 16W M Ox R1048 VRS CY1JF101J 100 1 16W M Ox R804 VRS CY1JF222J 2 2k 1 16W M Ox R1049 VRS CY1JF183J 18k 1 16W M Ox R805 VRS CY1JF222J 2 2k 1 16W M Ox R1051 VRD RA2BE473J 47k 1 8W Carbon R806 VRS CY1JF222J 2 2k 1 16W M Ox R1054 VRD RA2BE101J 100 1 8W Carbon R807 VRS CY1JF222J 2 2k 1 16W M Ox R1055 VR...

Страница 39: ...8W Carbon P1001 QPLGNA110WJZZ Plug 5 pin K R852 VRD RA2BE470J 47 1 8W Carbon P1002 QPLGNA110WJZZ Plug 5 pin BC R854 VRD RA2BE391J 390 1 8W Carbon RDA301 PRDARA121WJFW S Out Heatsink R855 VRD RA2BE391J 390 1 8W Carbon RDA501 PRDARA120WJFW V Out Heatsink R859 VRS VV3DB153J 15k 2W M Ox RDA601 PRDARA181WJFW IC601 Heatsink R861 VRS VV3DB153J 15k 2W M Ox RDA602 PRDARA361WJFW Horizontal Heatsink R863 VRS...

Страница 40: ...D622WJZZ Packing Case SPAKAA323WJZZ P Add Top SPAKAA324WJZZ P Add Bottom SSAKA0172PFZZ Polybag SSAKH0207PJZZ Polybag for Unit CCABAB162WEA0 Front Cab Assy GCABAB162WJSA Front Cabinet HBDGB0206PJSA Sharp Badge HDECQ0316PJOT R C LED Lens JBTNC0109PJSA Control Button A JBTNC0106PJSB Control Button B JBTNP0120PJSA Power Button LANGSA011WJZZ Speaker Bracket LX TZ3004CEFD Screw for Button MSPRC0005PEFW ...

Страница 41: ...e packing case Operation Manual Guarantee Card Service List Batteries MARK H Not replacement items FRONT REAR H Polyethylene Sack H Infrared R C Unit H Rod Antenna H Polystyrene Bag H Buffer Material H Packing Case PACKING OF THE SET ...

Страница 42: ...I NAKAMURA M GABIT A UGALDE S VERZOSA 1 Noted Approved Checked Prepared Issue No Date Received by ...

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