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SCHEMATIC DIAGRAM: CRT Unit

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Содержание 27F830

Страница 1: ...RAMS 17 PRINTED WIRING BOARD ASSEMBLIES 28 REPLACEMENT PARTS LIST 33 PACKING OF THE SET 43 CONTENTS SPEAKER SIZE 12 x 6 cm oval 2 pcs VOICE COIL IMPEDANCE 8 ohm at 400 Hz ANTENNA INPUT IMPEDANCE VHF UHF 75 ohm Unbalanced TUNING RANGES VHF Channels 2 thru 13 UHF Channels 14 thru 69 CATV Channels 1 thru 125 EIA Channel Plan U S A POWER INPUT 120V AC 60 Hz POWER RATING 135W PICTURE SIZE 2 193 5 cm2 3...

Страница 2: ...gh voltage with a meter to be certain that the high voltage does not exceed 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 receiv...

Страница 3: ...ent covers or shields isolation resistor capacity 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...

Страница 4: ... by using the 4 categories A B C and D The channels can be accessed quickly by using these buttons VOLUME UP DOWN Increases sound Decreases sound Changes or selects the TV adjustments on On Screen Display MENU Press Accesses MAIN MENU Press again Exits MAIN MENU MUTE Press Mutes sound Press again Restores sound When sound is muted CLOSED CAPTION appears if available POWER DVD VCR Press On Press ag...

Страница 5: ... 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 picture tub...

Страница 6: ... in the video adjustment menu to ensure 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 V01 to P08 Select the item you wish to adjust 3 Data number selection Press the Vol up or Vol down button to adjust ...

Страница 7: ... Input V46 R CUT OFF COMPONENT 64 255 00h FFh 64 40h Component Input V47 G CUT OFF COMPONENT 64 255 00h FFh 64 40h Component Input V48 B CUT OFF COMPONENT 64 255 00h FFh 64 40h Component Input V49 G R DRIVE COMPONENT 0 127 00h 7Fh 64 40h Component Input V50 B DRIVE COMPONENT 0 127 00h 7Fh 64 40h Component Input V51 SHARP COMPONENT 0 63 00h 3Fh 44 2Ch Component Input 2C V52 TINT S 0 127 00h 7Fh 62 ...

Страница 8: ...NT ITEM INITIAL VALUE NOTES FIXED VALUE HEX RANGE SERVICE NUMBER DATA ADJUSTMENT ITEM INITIAL VALUE NOTES FIXED VALUE HEX RANGE B SPECIAL SETTING EX1 FAO VOLUME 0 50 00h 32h 36 24h 24 EX2 CC POSITION 0 127 00h 7Fh 27 1Bh 1C EX3 INT 0 255 00h FFh 122 7Ah Interrupt period adjustment 7A EX4 A ATT 0 127 00h 7Fh 90 5Ah 5A EX5 TUNER data 0 3 00h 03h 0 00h 00 EX6 Sync chip Slice LEVEL 0 255 00h FFh 54 36...

Страница 9: ... MTS only M01 M20 Adjust items related to P IN P only P01 P08 X X X X SERVICE NUMBER DATA ADJUSTMENT ITEM INITIAL VALUE NOTES FIXED VALUE HEX RANGE M14 BBE L Effect 0 15 00h 0Fh 15 0Fh 0F M15 BBE H Effect 0 15 00h 0Fh 15 0Fh 0F M16 AGC Level 0 7 00h 07h 1 01h 01 M17 BASS Offset 0 31 00h 1Fh 15 0Fh 0F M18 TREBLE Offset 0 31 00h 1Fh 15 0Fh 0F M19 BASS Offset BBE 0 31 00h 1Fh 17 11h 11 M20 TREBLE Off...

Страница 10: ...ice mode and select the service adjustment V03 and set to 00 minimum color Record original data code under adjustment V03 before changing V03 does not have to be adjusted if you selected a B W picture or monoscope pattern 3 Alternately adjust the service adjustment data of V09 and V10 until a good grey scale with normal whites is obtained RF Input 4 For component input the data value of V49 and V5...

Страница 11: ...of 00h on D01 2 Adjust D18 data value so that picture is centered SCREEN FORMAT 16 9 3 Input data of 00h on D20 4 Input data of D34 same as D18 data Horizontal Position Adjustment 1 Receive a good local channel SCREEN FORMAT 4 3 2 Enter the service mode and select the service adjustment D02 3 Adjust D02 data value so that picture is centered SCREEN FORMAT 16 9 4 Input data of D21 same as D02 data ...

Страница 12: ...t the minimun AC voltage to pin 39 of IC3001 4 Input SIGNAL 2 and very the M08 bus data to get the minimun AC voltage to pin 39 of IC3001 Note SIGNAL 1 Adj for widebando SIGNAL 2 Adj for spectral Check the output of the speaker at the maximum volume as stated below Confirmation spec ADJ spec above 25 dB CHK spec above 20 dB P IN P Y LEVEL Adjustment 1 Receive a good local channel 2 Enter the servi...

Страница 13: ...13 27F830 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT ...

Страница 14: ...14 27F830 6 5 4 3 2 1 A B C D E F G H BLOCK DIAGRAM ...

Страница 15: ... 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 char...

Страница 16: ...22 1 Vp p 3 1 0Vp p 40 75 Vp p 55 0 Vp p 65 0 Vp p 70 85 Vp p 812 5 Vp p 932 Vp p 056 Vp p q2 0 Vp p w0 8 Vp p e160 Vp p r14 Vp p t1150 Vp p y450 Vp p u250 Vp p i29 5 Vp p o3 0 Vp p p3 0 Vp p a3 0 Vp p s130 Vp p d125 Vp p f130 Vp p ...

Страница 17: ...17 27F830 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit ...

Страница 18: ...18 27F830 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit ...

Страница 19: ...19 27F830 17 16 19 18 15 14 13 12 11 10 ...

Страница 20: ...20 27F830 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 2 Unit ...

Страница 21: ...21 27F830 17 16 19 18 15 14 13 12 11 10 ...

Страница 22: ...22 27F830 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM 3 LINE Y C Unit ...

Страница 23: ...23 27F830 17 16 19 18 15 14 13 12 11 10 ...

Страница 24: ...24 27F830 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM P IN P Unit ...

Страница 25: ...25 27F830 17 16 19 18 15 14 13 12 11 10 ...

Страница 26: ...26 27F830 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM 2 TUNER Unit ...

Страница 27: ...27 27F830 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM AUDIO Unit ...

Страница 28: ...28 27F830 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Components Side PRINTED WIRING BOARD ASSEMBLIES ...

Страница 29: ...29 27F830 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Chip Parts Side ...

Страница 30: ...30 27F830 6 5 4 3 2 1 A B C D E F G H PWB C 3 LINE Y C Unit Wiring Side PWB B CRT Unit Wiring Side PWB C 3 LINE Y C Unit Chip Parts Side ...

Страница 31: ...31 27F830 6 5 4 3 2 1 A B C D E F G H PWB E 2 TUNER Unit Wiring Side PWB S AUDIO Unit Wiring Side PWB S AUDIO Unit Chip Parts Side ...

Страница 32: ...32 27F830 6 5 4 3 2 1 A B C D E F G H PWB R P IN P Unit Wiring Side PWB R P IN P Unit Chip Parts Side ...

Страница 33: ...C602 VHiBA15218F2E X BA15218F E2 AB å IC701 VHiTEA1507 1 X TEA1507P N1 AE å IC702 RH FXA003WJZZ X PC123Y82 AB å IC703 VHiSE130N 1 X SE130N AF IC751 VHiPQ09RD11 1 X PQ09RD11 AD IC900 VHiCXA2089Q 2Y X CXA2089Q 6T AK IC1403 VHiPQ05RD11 1 X PQ05RD11 AD IC2001 RH iXA418WJZZQ X I C AN IC2040 VHiKIA7045A 1 X KIA7045AP AB IC2101 VHiBR2416E2 1 X BR24C16F AD IC3001 VHiCXA2074Q 1 X CXA2074Q AP TRANSISTORS Q2...

Страница 34: ...M X 1000 6 3V Electrolytic AB C58 VCKYCY1HF103Z X 0 01 50V Ceramic AA C59 VCKYPA1HF103Z X 0 01 50V Ceramic AA C101 VCEA0A0JW108M X 1000 6 3V Electrolytic AB C103 VCEA0A1CW108M X 1000 16V Electrolytic AB C201 VCKYCY1HB102K X 1000p 50V Ceramic AA C202 VCKYCY1HB103K X 0 01 50V Ceramic AA C203 VCKYCY1HB102K X 1000p 50V Ceramic AA C223 VCKYCY1CF104Z X 0 1 16V Ceramic AA C224 VCEA0A1HW474M X 0 47 50V El...

Страница 35: ... AA C805 VCEA0A0JW108M X 1000 6 3V Electrolytic AB C806 VCKYCY1CF104Z X 0 1 16V Ceramic AA C807 VCKYCY1CF104Z X 0 1 16V Ceramic AA C808 VCKYCY1CF104Z X 0 1 16V Ceramic AA C809 VCKYCY1CF104Z X 0 1 16V Ceramic AA C810 VCEA0A1CW477M X 470 16V Electrolytic AB C812 VCQYTA1HM104J X 0 1 50V Mylar AB C901 VCKYCY1HB103K X 0 01 50V Ceramic AA C902 VCKYCY1HB103K X 0 01 50V Ceramic AA C903 VCKYCY1HB681K X 680...

Страница 36: ...Oxide AA R361 VRD RA2BE224J X 220k 1 8W Carbon AA R362 VRS CY1JF182J X 1 8k 1 16W Metal Oxide AA R363 VRS CY1JF182J X 1 8k 1 16W Metal Oxide AA R364 VRD RA2BE152J X 1 5k 1 8W Carbon AA R365 VRS CY1JF152J X 1 5k 1 16W Metal Oxide AA å R367 VRN RL3DB1R2J X 1 2 2W Metal Film AB R368 VRD RA2BE222J X 2 2k 1 8W Carbon AA R369 VRD RA2BE822J X 8 2k 1 8W Carbon AA R371 VRS CY1JF102J X 1k 1 16W Metal Oxide ...

Страница 37: ...8W Carbon AA R764 VRD RM2HD562J X 5 6k 1 2W Carbon AA R767 VRD RM2HD151J X 150 1 2W Carbon AA R768 VRD RA2BE473J X 47k 1 8W Carbon AA R770 VRS CY1JF102J X 1k 1 16W Metal Oxide AA R771 VRS CY1JF103J X 10k 1 16W Metal Oxide AA R772 VRS CY1JF103J X 10k 1 16W Metal Oxide AA R773 VRD RM2HD823J X 82k 1 2W Carbon AA R774 VRD RA2BE272J X 2 7k 1 8W Carbon AA R775 VRS CY1JF332J X 3 3k 1 16W Metal Oxide AA R...

Страница 38: ...X 18k 1 16W Metal Oxide AA R2502 VRS CY1JF183J X 18k 1 16W Metal Oxide AA R2503 VRS CY1JF103J X 10k 1 16W Metal Oxide AA R2504 VRS CY1JF103J X 10k 1 16W Metal Oxide AA R2505 VRD RA2BE822J X 8 2k 1 8W Carbon AA R2506 VRD RA2BE822J X 8 2k 1 8W Carbon AA R2507 VRD RA2BE183J X 18k 1 8W Carbon AA R2508 VRD RA2BE183J X 18k 1 8W Carbon AA R2509 VRS CY1JF000J X 0 1 16W Metal Oxide AA R2601 VRD RA2BE100J X...

Страница 39: ...AA R875 VRD RM2HD104J X 100k 1 2W Carbon AA R876 VRD RM2HD104J X 100k 1 2W Carbon AA R877 VRD RA2BE103J X 10k 1 8W Carbon AA å R878 VRS SV2HC120J X 12 1 2W Metal Oxide AA R1511 VRD RA2BE101J X 100 1 8W Carbon AA å R1513 VRS VV3DB561J X 560 2W Metal Oxide AB R1514 VRD RA2BE100J X 10 1 8W Carbon AA R1515 VRD RA2BE820J X 82 1 8W Carbon AA R1516 VRD RA2BE820J X 82 1 8W Carbon AA R1517 VRD RA2BE122J X ...

Страница 40: ...A1266 Y 1 X 2SA1266 Y AB Q62 VS2SA1266 Y 1 X 2SA1266 Y AB DIODE D62 RH EX0676GEZZ X Zener Diode 33V AB COIL L61 VP CF100K0000 X Peaking 10µH AB CAPACITORS C61 VCKYPA1HF103Z X 0 01 50V Ceramic AA C62 VCEA0A0JW108M X 1000 6 3V Electrolytic AB C64 VCEA0A1HW105M X 1 50V Electrolytic AA C65 VCKYPA1HF103Z X 0 01 50V Ceramic AA C67 VCE9GA1CW106M X 10 16V Elect N P AB C70 VCEA0A1HW105M X 1 50V Electrolyti...

Страница 41: ...32 VRS CY1JF682J X 6 8k 1 16W Metal Oxide AA R1833 VRS CY1JF272J X 2 7k 1 16W Metal Oxide AA R1834 VRS CY1JF222J X 2 2k 1 16W Metal Oxide AA R1841 VRS CY1JF153J X 15k 1 16W Metal Oxide AA R1842 VRS CY1JF471J X 470 1 16W Metal Oxide AA R1843 VRS CY1JF391J X 390 1 16W Metal Oxide AA R1861 VRS CY1JF153J X 15k 1 16W Metal Oxide AA R1862 VRS CY1JF102J X 1k 1 16W Metal Oxide AA R1863 VRS CY1JF102J X 1k ...

Страница 42: ...Case SPAKP0109GJZZ Wrapping Paper SPAKXA180WJZZ Buffer Material SSAKA0101GJZZ Polyethylene Bag RRMCGA123WJSA X Infrared R C Unit AX TiNS A433WJZZ X Opearation Manual AE Including Warranty TGAN 0001GJZZ X Regist card AB CABINET PARTS CABINET PARTS LOCATION 1 CCABAA186WEH0 X Front Cabinet Ass y BD 1 1 Front Cabinet 1 2 HBDGB3141CESA X SHARP Badge AD 1 3 GCOVAA282WJKA X RC Cover AC 1 4 GCOVHA017WJKZ ...

Страница 43: ...Case MARK 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 ...

Страница 44: ...n 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 TQ1483 S Feb 2003 Printed in Japan In Japan gedruckt MY DS Design and Production Information Design JAPAN Production SEMEX ...

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