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PWB-C: MTS Unit (Wiring Side)

PWB-C: MTS Unit (Chip Parts Side)

3015

033

R3 0 1 6

R3 0 1 8

3017

036

Q3 0 0 7

R3 0 3 2

R3 0 8 5

R3 0 3 1

Q3 0 0 6

R3 0 8 3

Q3 0 0 5

R3 0 8 2

R3 0 8 4

R3 0 2 8

R3 0 3 5

3019

3027

C3 0 4 2

Q3 0 0 2

Q3 0 0 1

3021

R3 0 2 9

3011

Q3 0 0 4

R3 0 3 4

3026

3036

007

013

3008

3025

008

R3 0 0 5

3012

I C3 0 0 1

3010

3035

C3 0 0 2

R3 0 0 3

3013

RJ 1 0 1

3033

026

3025

C3 0 2 8

C3 0 3 2

C3 0 3 1

C3 0 2 3

C3 0 2 4

3027

R3 0 0 4

001

002

20F550

Содержание 20F550

Страница 1: ...IAGRAM 21 SCHEMATIC DIAGRAMS 22 PRINTED WIRING BOARD ASSEMBLIES 26 REPLACEMENT PARTS LIST 30 PACKING OF THE SET 36 CONTENTS SPEAKER SIZE 12 x 5 cm 2pcs VOICE COIL IMPEDANCE 16 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 AC 120 V 60 Hz POWER RATING 88W PICTURE...

Страница 2: ...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 receiver Do not operate the re...

Страница 3: ...ic control knobs insulating materials cabinet backs adjustment and compartment 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...

Страница 4: ...ATV TV DVD VCR POWER Press On Press again Off REMOTE KEYPAD Accesses any channel from keypad FLASHBACK Returns to previous channel PERSONAL PREFERENCE With the Personal Preference buttons you can program your favorite programs by using the 4 categories A B C and D The channels can be accessed quickly by using these buttons VOLUME UP DOWN k Increases sound l Decreases sound Changes or selects the T...

Страница 5: ... If the 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 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 ...

Страница 6: ...ut 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 M0...

Страница 7: ... V02 SUB TINT TINT 0 127 64 V03 SUB COLOR COLOR 0 127 64 V04 SUB BRIGHT BRIGHT 0 255 128 V05 SUB SHARP VIDEO TONE 0 63 32 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 D...

Страница 8: ... set 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 recove...

Страница 9: ...FFSET 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: ...T YUV 1 Chips BASEBAND TINT 32 32 0 F63 WAIT MD TIMER 1 Chips SLOW MODE 0 1 1 F64 R CUT YUV 1 Chips R CUT OFFSET 63 63 0 F65 G CUT YUV 1 Chips G CUT OFFSET 63 63 0 F66 B CUT YUV 1 Chips B CUT OFFSET 63 63 0 F67 R DRI YUV 1 Chips R DRI OFFSET 63 63 0 F68 B DRI YUV 1 Chips B DRI OFFSET 63 63 0 F69 CONTRAST OFFSET 1 Chips CONTRAST OFFSET 63 63 0 F70 BRIGHTNESS OFFSET 1 Chips BRIGHT OFFSET 63 63 0 F71...

Страница 11: ...1 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 0 019 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: ...UTOFF 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 VCO ...

Страница 13: ...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 F37 BS ...

Страница 14: ... CHIP V CHIP DISABLE ENABLE 1 004 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 MT...

Страница 15: ...15 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT 20F550 ...

Страница 16: ...16 6 5 4 3 2 1 A B C D E F G H CRT BLOCK DIAGRAM 20F550 ...

Страница 17: ...17 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MAIN BLOCK DIAGRAM 20F550 ...

Страница 18: ...18 10 11 12 13 14 15 16 17 18 19 20F550 ...

Страница 19: ...19 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 MTS BLOCK DIAGRAM 20F550 ...

Страница 20: ...20 WAVEFORMS 20F550 ...

Страница 21: ...tages 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 waveforms are measured from point indicated to chassis...

Страница 22: ...22 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit 20F550 ...

Страница 23: ...23 A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 SCHEMATIC DIAGRAM MAIN Unit 20F550 ...

Страница 24: ...24 10 11 12 13 14 15 16 17 18 19 20F550 ...

Страница 25: ...25 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MTS Unit 20F550 ...

Страница 26: ...26 6 5 4 3 2 1 A B C D E F G H PWB B CRT Unit Wiring Side PRINTED WIRING BOARD ASSEMBLIES 20F550 ...

Страница 27: ...27 6 5 4 3 2 1 A B C D E F G H PWB A MAIN Unit Wiring Side 20F550 ...

Страница 28: ...RJ 1 2 C1 0 0 4 I C1 0 0 3 R5 0 4 C5 1 8 R5 2 8 C5 1 9 R5 2 0 RJ 3 2 RJ 3 1 Q6 0 4 R6 6 2 R1 0 4 0 RJ 3 0 Q8 0 1 R8 0 1 RJ 2 9 C1 8 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 C7 5 7 C8 2 1 D1 0 8 6 R 8 4 7 C8 2 8 C8 3 0 R8 4 4 C8 3 1 C8 3 3 C8 3 2 R8 4 ...

Страница 29: ...0 8 2 R3 0 8 4 R3 0 2 8 R3 0 3 5 R3 0 1 9 R3 0 2 7 R3 0 3 0 C3 0 4 2 Q3 0 0 2 Q3 0 0 1 R3 0 1 4 R3 0 2 1 R3 0 2 9 R3 0 1 1 C3 0 4 3 Q3 0 0 4 R3 0 3 4 R3 0 2 6 C3 0 3 6 R3 0 0 7 C3 0 1 3 C3 0 0 8 R3 0 2 5 R3 0 0 8 R3 0 0 5 R3 0 1 2 I C3 0 0 1 R3 0 1 0 C3 0 3 5 C3 0 0 2 R3 0 0 3 R3 0 1 3 RJ 1 0 1 C3 0 3 3 C3 0 2 6 C3 0 2 5 C3 0 2 8 C3 0 3 2 C3 0 3 1 C3 0 2 3 C3 0 2 4 C3 0 2 7 R3 0 0 4 R3 0 0 1 R3 0 ...

Страница 30: ... U IC703 VHISE125N F X SE125N AF IC801 VHIM61251CF1EQ X M61251CP AR IC1001 RH IXB301WJN1 X M37150EFFP AP IC1003 VHIBR24L16F 1Y X BR24L16F AE Q201 VS2SC2735 1EY X 2SC2735 AB Q601 VS2SC2235Y 1E X 2SC2235 Y AE Q602 VSTT2140 F X TT2140LS AF Q603 VS2SC3198 G 1 X 2SC3198 G AB Q604 VS2SD601AR 1Y X 2SD601AR AA Q701 VS2SD601AR 1Y X 2SD601AR AA Q702 VS2SD601AR 1Y X 2SD601AR AA Q751 VS2SD468 C 1 X 2SD468ACTZ...

Страница 31: ...C435 VCE9GA1CW106M X 10 16V EL AB C436 VCKYCY1EF104ZY X 0 1 25V Ceramic AA C437 VCE9GA1HW106M X 10 50V EL AC C438 VCEA0A1CW106M X 10 16V EL AA C439 VCKYCY1HF103ZY X 0 01 50V Ceramic AA C452 VCE9GA1CW106M X 10 16V EL AB C505 VCEA0A1HW107M X 100 50V EL AB C508 VCFYAA2AA224J X 0 22 100V M Poly AC C511 VCEA0A1VW477M X 470 35V EL AC C512 VCKYPA2HB102K X 1000p 500V Ceramic AA C513 RC EZA332WJZZ X 1000 3...

Страница 32: ...01JY X 100 1 16W M Ox AA R202 VRS CY1JF101JY X 100 1 16W M Ox AA R205 VRS CY1JF680JY X 68 1 16W M Ox AA R206 VRS CY1JF122JY X 1 2k 1 16W M Ox AA R207 VRS CY1JF221JY X 220 1 16W M Ox AA R208 VRS CY1JF331JY X 330 1 16W M Ox AA R209 VRS CY1JF392JY X 3 9k 1 16W M Ox AA R216 VRS RG3LB333J X 33k 3 0W M Ox AB R220 VRS CY1JF221JY X 220 1 16W M Ox AA R301 VRS CY1JF102JY X 1k 1 16W M Ox AA R302 VRN RL3DB1R2...

Страница 33: ...rbon AA R1012 VRD RA2BE101JY X 100 1 8W Carbon AA Ref No Part No Description Code R1023 VRD RA2BE271JY X 270 1 8W Carbon AA R1024 VRS CY1JF101JY X 100 1 16W M Ox AA R1027 VRS CY1JF104JY X 100k 1 16W M Ox AA R1031 VRD RA2BE101JY X 100 1 8W Carbon AA R1032 VRS CY1JF103JY X 10k 1 16W M Ox AA R1034 VRS CY1JF104JY X 100k 1 16W M Ox AA R1035 VRD RA2BE101JY X 100 1 8W Carbon AA R1036 VRS CY1JF103JY X 10k...

Страница 34: ...ET CRT AD PWB C DUNTKC574WEA2 MTS UNIT INTEGRATED CIRCUITS Ref No Part No Description Code IC3001 VHICXA2194Q 1Y X CXA2194Q AR Q3001 VS2SD601AR 1Y X 2SD601AR AA Q3002 VS2SD601AR 1Y X 2SD601AR AA Q3004 VS2SD601AR 1Y X 2SD601AR AA Q3005 VS2SD601AR 1Y X 2SD601AR AA Q3006 VS2SD601AR 1Y X 2SD601AR AA Q3007 VS2SD601AR 1Y X 2SD601AR AA C3001 VCE9GA1HW475M X 4 7 50V EL AB C3002 VCKYCY1HB562KY X 5600p 50V ...

Страница 35: ...M Ox AA R3082 VRS CY1JF103JY X 10k 1 16W M Ox AA R3083 VRS CY1JF103JY X 10k 1 16W M Ox AA R3084 VRS CY1JF103JY X 10k 1 16W M Ox AA R3085 VRS CY1JF103JY X 10k 1 16W M Ox AA P3007 QPLGZ0610CEZZ X plug 6Pin AC P3008 QPLGZ0610CEZZ X plug 6Pin AC P3009 QPLGZ0810CEZZ X plug 32 AD U ACC701 QACCDA015WJPZ X AC Cord AG SP301 VSP1205PB09WA X speaker AM SP302 VSP1205PB09WA X speaker AM QCNW A871WJZZ X Wire H ...

Страница 36: ... to fix the top side of packing case Packing Case FRONT Buffer Material Wrapping Paper Polyethylene Bag Operation Manual Infrared R C Unit Batteries MARK Not replacement items Use 10 staples to fix the bottom side of packing case 20F550 ...

Страница 37: ...this 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 ELECTRONICA MEXICO S A DE C V Quality Reliability Control Center Blvd SHARP No 3510 Parque Industrial Rosarito Playas de Rosarito México B C 22710 20F550 ...

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