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Ref. No. Part No. 

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 Description Code

R1074 VRS-CY1JF103JY X 10k 1/16W M-Ox. AA
R1075 VRS-CY1JF331JY X 330 1/16W M-Ox. AA
R1076 VRS-CY1JF102JY X 1k 1/16W M-Ox. AA
R1081 VRS-CY1JF103JY X 10k 1/16W M-Ox. AA
R1849 VRS-CY1JF222JY X 2.2k 1/16W M-Ox. AA
R1850 VRS-CY1JF472JY X 4.7k 1/16W M-Ox. AA
R1851 VRS-CY1JF221JY X 220 1/16W M-Ox. AA
R1852 VRS-CY1JF221JY X 220 1/16W M-Ox. AA
R1853 VRS-CY1JF221JY X 220 1/16W M-Ox. AA
R1854 VRS-CY1JF103JY X 10k 1/16W M-Ox. AA
R1855 VRD-RA2BE102JY X 1k 1/8W Carbon AA
R1861 VRS-CY1JF121JY X 120 1/16W M-Ox. AA
R1862 VRS-CY1JF121JY X 120 1/16W M-Ox. AA

S1001 QSW-K0 X Switch, AB
S1002 QSW-K0 X Switch, AB
S1003 QSW-K0 X Switch, AB
S1004 QSW-K0 X Switch, AB
S1005 QSW-K0 X Switch, AB
S1006 QSW-K0114CEZZ X Switch, AC

FB701 RBLN-0 X Ferrite Bead AB

 ACC701 QACCDA015WJPZ X AC-Cord AE

 F701 QFS-B4023CEZZ X FUSE -  4A 125V AB

FH701 QFSHD1 X FUSE CLIP AB
FH702 QFSHD1 X FUSE CLIP AB
J1 VW7UGB3-240KK X Jumper Cable (240MM) AB
J3 VW7UGB0-090KK X Wire (Black 90MM) AA
J50 VW7UGB7-070KK X Wire (Purple 70MM) AA
J401 QJAKGA015WJZZ X Jack, 9Pin AD
J402 QJAKE0108CEZZ X Jack, 3Pin AB
J403 QJAKE0183CEZZ X Jack, 3Pin AB
J404 QJAKE0184CEZZ X Jack, 3Pin AB
J405 QJAKG0093CEZZ X Rear AV In Jack AD
J406 QJAKFA008WJZZ X Jack AC
P302 QPLGN0461CEZZA X Plug,

 

4pin (S1-4) AB

P407 QPLGN0361CEZZA X Plug, 3pin (TP651-3) AB
P601 QPLGN0660CEZZ X Plug, (6 Pins) AB
P602 QPLGN0461CEZZA X Plug,

 

4pin (S1-4) AB

P603 QPLGN0361CEZZA X Plug, 3pin (TP651-3) AB
P701 QPLGN0260CEZZ X Plug, 2pin (M1-2) AB
P705 QTIPM0083CEZZ X Tip AB
P1001 QPLGN0561CEZZA X Plug, 5Pin (KA) AB
P1002 QPLGN0561CEZZ X Plug, (5 Pins) AB
P1007 QPLGN0461CEZZA X Plug,

 

4pin (S1-4) AB

P1008 QPLGN0461CEZZA X Plug,

 

4pin (S1-4) AB

P1011 QPLGN0361CEZZA X Plug, 3pin (TP651-3) AB
P1012 QPLGN0361CEZZA X Plug, 3pin (TP651-3) AB
VA701 RH-VXA009WJZZ X VARISTOR AB
RMC1001 RRMCU0222CEZZ X R/C RECEIVER AD

 RY701 RRLYJ0093CEZZ X Relay AD

PRDAR0224PEFW X Heat Sink for Q602 AB
PRDARA010WJFW X Heat Sink for IC501 AB
PRDARA026WJFW X Heat Sink for Q701 AC

D859 VHD1SS119//-1Y X Diode AA
D898 VHD1SS119//-1Y X Diode AA

Q853 VS2SC3789//2E X 2SC3789 AB

DIODE

TRANSISTORS

FILTERS

CAPACITORS

 [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]

MISCELLANEOUS PARTS

PWB-B: DUNTKA599WEB4

CRT Unit

INTEGRATED CIRCUITS

TRANSISTOR

RESISTORS

[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]

SWITCHES

FERRITE BEAD

MISCELLANEOUS PARTS

Ref. No. Part No. 

«

 Description Code

Q854 VS2SC3789//2E X 2SC3789 AB
Q855 VS2SC3789//2E X 2SC3789 AB
Q894 VS2SA1015Y/1E+ X 2SA1015Y AB

L851 VP-MK8 X Peaking 82mH AB

C851 VCKYPA X 220p 50V Ceramic AA
C852 VCKYPA X 220p 50V Ceramic AA
C853 VCKYPA X 220p 50V Ceramic AA
C880 RC-KZ0153CEZZ X 1000p 3kV Ceramic AB
C893 VCEA0A X 33 16V EL. AB

R849 VRD-RA2BE271JY X 270 1/8W Carbon AA
R850 VRD-RA2BE470JY X 47 1/8W Carbon AA
R851 VRD-RA2BE470JY X 47 1/8W Carbon AA
R852 VRD-RA2BE470JY X 47 1/8W Carbon AA
R854 VRD-RA2BE331JY X 330 1/8W Carbon AA
R855 VRD-RA2BE331JY X 330 1/8W Carbon AA
R859 VRS-VV3DB123J X 12k 2W M-Ox. AB
R861 VRS-VV3DB123J X 12k 2W M-Ox. AB
R863 VRS-VV3DB123J X 12k 2W M-Ox. AB
R864 VRD-RA2BE470JY X 47 1/8W Carbon AA
R876 VRD-RA2BE121JY X 120 1/8W Carbon AA
R877 VRD-RA2BE121JY X 120 1/8W Carbon AA
R878 VRD-RA2BE121JY X 120 1/8W Carbon AA
R880 VRD-RM2HD332JY X 3.3k 1/2W Carbon AA
R881 VRD-RM2HD332JY X 3.3k 1/2W Carbon AA
R882 VRD-RM2HD332JY X 3.3k 1/2W Carbon AA
R889 VRD-RA2BE821JY X 820 1/8W Carbon AA
R891 VRD-RA2BE561JY X 560 1/8W Carbon AA
R892 VRD-RA2BE391JY X 390 1/8W Carbon AA
R894 VRD-RA2BE152JY X 1.5k 1/8W Carbon AA
R895 VRD-RA2BE561JY X 560 1/8W Carbon AA

P860 QPLGN0461CEZZ X Plug, 

4pin (S1-4) AB

P880 QPLGN0561CEZZ X Plug, (5 Pins) AB
SC851 QSOCV0933CEZZ X SOCKET (CRT) AC

IC3001 VHICXA2074Q-1S X CXA2074Q_A1_ AP
IC3002 VHIMM1501XN-1Y X MM1501XN AC

Q3001 VS2SD601AR/-1Y X 2SD601AR AB
Q3002 VS2SD601AR/-1Y X 2SD601AR AB
Q3004 VS2SD601AR/-1Y X 2SD601AR AB
Q3005 VS2SD601AR/-1Y X 2SD601AR AB
Q3006 VS2SD601AR/-1Y X 2SD601AR AB
Q3007 VS2SD601AR/-1Y X 2SD601AR AB

C3001 VCE9GA X 4.7 50V EL. AB
C3002 VCKYCY1HB562KY X 5600p 50V Ceramic AA
C3003 VCQYTA X 0.012 50V Mylar AB
C3004 VCEA0A X 1 50V EL. AB
C3005 VCEA0A X 4.7 50V EL. AB
C3006 VCEA0A X 10 16V EL. AB
C3007 VCEA0A X 4.7 50V EL. AB
C3008 VCKYCY1HF103ZY X 0.01 50V Ceramic AA
C3009 VCEA0A X 220 16V EL. AB
C3010 VCE9GA X 4.7 50V EL. AB
C3011 VCEA0A X 4.7 50V EL. AB
C3012 VCE9GA X 4.7 50V EL. AB
C3013 VCKYCY1HB272KY X 2700p 50V Ceramic AA
C3014 VCQYTA X 0.047 50V Mylar AB
C3015 VCEACA X 3.3 50V EL. AB
C3016 VCE9GA X 4.7 50V EL. AB
C3017 VCEACA X 10 16V EL. AB

RESISTORS

[M-Ox.··· Metal Oxide, M-Film ··· Metal Film]

CAPACITORS

 [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]

PWB-E: DUNTKB271WEA3

MTS MODULE Unit

PWB-A: DUNTKB989WEA0

MAIN UNIT

20F540

31

Содержание 20F540 XFlat

Страница 1: ...DIAGRAM 17 WAVEFORMS 18 SCHEMATIC DIAGRAMS 19 PRINTED WIRING BOARD ASSEMBLIES 24 REPLACEMENT PARTS LIST 27 PACKING OF THE SET 34 CONTENTS SPEAKER SIZE 5 x 12 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 RATI...

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: ...ks 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 electric...

Страница 4: ...turns to previous channel PERSONAL PREFERENCE With the Personal Preference buttons you can prog ram your favorite programs by using the 4 categories A B C and D The channels can be accessed quic kly by using these buttons VOLUME UP DOWN Increases sound Decreases sound In menu mode changes or selects the TV adjustments MENU Press Accesses MAIN MENU Press again Exits MAIN MENU CATV DVD TV VCR MODE S...

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 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 o...

Страница 6: ... as follows by key input 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 and Off timer are inactivated in Service mode 9 Sound is muting in service mode except at Adjustment...

Страница 7: ...27 64 V18 CC POS Micron 0 255 32 V19 Vertical mode 1 Chip V MUTE SERVICE 0 1 2 0 V20 SUB VOL 1 Chip A ATT 0 127 127 V21 H VCO 1 Chip H VCO 0 7 4 M01 MTS ATT MTS ATT 0 15 10 M02 MTS VCO MTS VCO 0 63 32 M03 MTS FILTER MTS FILTER 0 63 28 M04 MTS WIDEBAND MTS WIDEBAND 0 63 27 M05 MTS SPECTRAL MTS SPECTRAL 0 63 32 M06 SUB VOL MTS VOL 0 63 63 ADJUSTMENT METHOD Caution to get into the service mode one of...

Страница 8: ...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 recovered PIF VCO 1 When there is PIF VCO self adjustment key input for adjustment item PIF VCO self adjustment is performed 2 VIF DEF 1chip is set to ...

Страница 9: ...RI OFFSET 32 32 0 F23 B DRI B OFFSET B DRI OFFSET 32 32 0 F24 V FREE 1chip V FREE 0 1 0 F25 GAMMA 1chip GAMMA 0 3 0 F26 TRAP TV 1chip TRAP FINE 0 3 2 F27 TRAP AV 1chip TRAP FINE 0 3 2 F28 H FREE 1chip H FREE 0 1 0 F29 1W TV 1chip V Window 0 1 0 F30 1W AV 1chip V Window 0 1 0 F31 YLPF 1chip YSW LPF 0 1 1 F32 BS D 1chip BS DISCHARGE 0 3 0 F33 BS C 1chip BS CHARGE 0 3 0 F34 SL TV 1chip S SLICE DOWN 0...

Страница 10: ...V COL COL TEMP 1 O12 COMPONENT Without COMPONENT With COMPONENT 1 O13 AV Without AV With AV 1 O14 AV2 AV1 system AV2 system 1 O15 MTS Without MTS With MTS 1 O16 TONE CTRL Without S ADJ With S ADJ 1 O17 AUTO OFF Without AUTO OFF With AUTO OFF 1 O18 INIT LANG ENGLISH SPANISH 1 O19 SETUP FLAG NO SETUP AUTO SETUP 1 O20 FR AV Front 3 Rear AV 3 Display FRONT A V INPUTS and REAR A V INPUTS in DEMO mode 2...

Страница 11: ...11 MODEL 20F540 CHASSIS LAYOUT 20F540 ...

Страница 12: ...12 MODEL 20F540 BLOCK DIAGRAM CRT Unit 20F540 ...

Страница 13: ...13 MODEL 20F540 BLOCK DIAGRAM MAIN Unit 20F540 ...

Страница 14: ...20F540 14 ...

Страница 15: ...15 MODEL 20F540 BLOCK DIAGRAM MTS MODULE Unit 20F540 ...

Страница 16: ...20F540 16 ...

Страница 17: ...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 18: ...Vp p Vert Rate 7 6 56 Vp p Horiz Rate 8 6 40 Vp p Horiz Rate 9 4 88 Vp p Horiz Rate 0 158 Vp p Horiz Rate q 1140 Vp p Horiz Rate w 48 Vp p Vert Rate e 3 8 Vp p Vert Rate r 118 Vp p Horiz Rate t 440 Vp p Horiz Rate y 5 04 Vp p Horiz Rate u 5 12 Vp p Vert Rate i 112 8 Vp p Horiz Rate o 94 4 Vp p Horiz Rate p 109 6 Vp p Horiz Rate 20F540 ...

Страница 19: ...19 8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit 20F540 ...

Страница 20: ...17 17 19 18 15 14 13 12 11 10 16 20F540 ...

Страница 21: ...21 8 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MTS MODULE 10 9 7 6 20F540 ...

Страница 22: ...22 19 18 17 16 15 14 13 12 11 10 20F540 ...

Страница 23: ...23 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit 20F540 ...

Страница 24: ...24 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES PWB A MAIN Unit Wiring Side 20F540 ...

Страница 25: ...1 0 1 1 C1 0 0 8 RJ 1 7 R1 0 5 1 D1 0 8 5 D1 0 8 6 C1 0 1 0 C1 0 0 9 R8 1 4 R1 0 6 1 R1 0 4 6 R1 0 4 8 R1 0 4 9 R1 0 6 0 Q8 0 3 R1 0 6 2 R1 0 4 7 F DC3 C1 8 5 5 R1 0 6 3 C8 1 5 I C1 0 0 1 R8 4 2 R8 1 1 R8 1 3 C8 1 6 C8 1 4 R8 1 0 R1 0 3 3 R1 0 6 6 C8 1 3 R1 0 6 7 C8 1 2 C8 1 1 R1 0 6 9 R8 0 7 R8 3 8 R1 0 6 4 R1 0 6 5 R1 0 7 1 RJ 3 3 D8 1 2 R1 0 6 8 D8 1 1 R1 8 5 3 RJ 6 9 R1 0 3 7 D1 0 9 0 R8 0 6 R...

Страница 26: ...1 7 R3 0 1 4 I C3 0 0 1 R3 0 2 5 R3 0 1 3 RJ 1 6 C3 0 0 2 R3 0 0 3 C3 0 2 3 C3 0 2 4 R3 0 0 4 C3 0 2 6 C3 0 3 1 C3 0 2 5 C3 0 2 8 C3 0 3 2 C3 0 3 3 C3 0 2 7 RJ 9 R3 0 0 2 R3 0 3 6 RJ 2 RJ 7 R3 0 0 1 RJ 1 4 RJ 1 5 RJ 1 3 R3 0 3 3 RJ 8 R3 0 8 4 Q3 0 0 7 R3 0 8 5 Q3 0 0 6 R3 0 8 3 R3 0 8 2 Q3 0 0 4 R3 0 3 4 R3 0 1 6 R3 0 2 9 R3 0 2 6 R3 0 1 8 R3 0 1 9 C3 0 4 3 R3 0 3 5 RJ 6 Q3 0 0 1 R3 0 3 2 R3 0 2 8...

Страница 27: ...IC703 VHISE130N F X SE130N AD IC801 VHIM61251AF1EQ X M61251AFP AN IC1001 RH IXA155WJN4 X IXA155WJ AP IC1003 VHIBR24L16F 1Y X BR24L16F AC Q201 VS2SC2735 1EY X 2SC2735 AB Q302 VS2SD601AR 1Y X 2SD601AR AB Q601 VS2SC2482 1 X 2SC2482 AB Q602 VS2SD2539 1E X 2SD2539 AG Q603 VS2SC3198 G 1 X 2SC3198 G AB Q604 VS2SD601AR 1Y X 2SD601AR AB U Q701 VSSTP6NC80Z1E X STP6NC80Z AF Q703 VS2SC3198 Y 1 X 2SC3198 Y AB ...

Страница 28: ... EL AB C4XX VCKYPA1HF103Z X 0 01 50V Ceramic AA C505 VCEA0A1HW107M X 100 50V EL AB C508 VCFYAA2AA224J X 0 22 100V M Poly AB C509 VCKYD41CY103NY X 0 01 16V Ceramic AB C511 VCEA0A1VW477M X 470 35V EL AB C512 VCKYPA2HB102K X 1000p 500V Ceramic AB C513 RC EZA332WJZZ X 1000 35V EL AB C514 VCFYSA1JB273J X 0 027 63V M Poly AB C515 VCEACA1HC335J X 3 3 50V EL AB C518 VCKYCY1HF103ZY X 0 01 50V Ceramic AA C5...

Страница 29: ...Y1JF000JY X 00 1 16W M Ox AA RJ47 VRS CY1JF000JY X 00 1 16W M Ox AA RJ50 VRS CY1JF000JY X 00 1 16W M Ox AA RJ51 VRS CY1JF000JY X 00 1 16W M Ox AA RJ52 VRS CY1JF000JY X 00 1 16W M Ox AA RJ53 VRS CY1JF000JY X 00 1 16W M Ox AA RJ60 VRS CY1JF000JY X 00 1 16W M Ox AA RJ62 VRS CY1JF000JY X 00 1 16W M Ox AA RJ63 VRS CY1JF000JY X 00 1 16W M Ox AA RJ65 VRS CY1JF000JY X 00 1 16W M Ox AA RJ69 VRS CY1JF000JY ...

Страница 30: ...7 VRS CY1JF473JY X 47k 1 16W M Ox AA R818 VRS RG3AB151J X 150 1W M Ox AB R823 VRD RA2BE101JY X 100 1 8W Carbon AA R824 VRD RA2BE101JY X 100 1 8W Carbon AA R826 VRD RA2BE101JY X 100 1 8W Carbon AA R827 VRS CY1JF102JY X 1k 1 16W M Ox AA R828 VRS CY1JF471JY X 470 1 16W M Ox AA R829 VRS CY1JF472JY X 4 7k 1 16W M Ox AA R830 VRS CY1JF393JY X 39k 1 16W M Ox AA R831 VRS CY1JF271JY X 270 1 16W M Ox AA R832...

Страница 31: ...e M Film Metal Film SWITCHES FERRITE BEAD MISCELLANEOUS PARTS Ref No Part No Description Code Q854 VS2SC3789 2E X 2SC3789 AB Q855 VS2SC3789 2E X 2SC3789 AB Q894 VS2SA1015Y 1E X 2SA1015Y AB L851 VP MK820K0000 X Peaking 82mH AB C851 VCKYPA1HB221K X 220p 50V Ceramic AA C852 VCKYPA1HB221K X 220p 50V Ceramic AA C853 VCKYPA1HB221K X 220p 50V Ceramic AA C880 RC KZ0153CEZZ X 1000p 3kV Ceramic AB C893 VCEA...

Страница 32: ...16W M Ox AA R3013 VRS CY1JF102JY X 1k 1 16W M Ox AA R3014 VRS CY1JF102JY X 1k 1 16W M Ox AA R3016 VRS CY1JF102JY X 1k 1 16W M Ox AA R3018 VRS CY1JF102JY X 1k 1 16W M Ox AA R3019 VRS CY1JF102JY X 1k 1 16W M Ox AA R3021 VRS CY1JF102JY X 1k 1 16W M Ox AA R3024 VRS CY1JF000JY X 00 1 16W M Ox AA R3025 VRS CY1JF272JY X 2 7k 1 16W M Ox AA R3026 VRS CY1JF331JY X 330 1 16W M Ox AA R3027 VRS CY1JF392JY X 3 ...

Страница 33: ...FOAM AK SSAKA0101GJZZ X PLASTIC BAG AB PACKING PARTS NOT REPLACEMENT ITEM Ref No Part No Description Code 1 CCABAA323WEH9 X Front Cabinet Ass y 1 1 Front Cabinet 1 2 HBDGB3155CESA X SHARP Badge AD 1 3 HDECQA119WJSA X LED RC Cover AC 1 4 JBTN A070WJKC X Power Button 1 5 MSPRC0005PEFW X Power Button Spring AA 1 6 GDORFA015WJKC X door 1 7 MSPRPA012WJFW X Door Spring AB 1 8 HINDPA194WJSA X Indication ...

Страница 34: ...34 PACKING OF THE SET 20F540 ...

Страница 35: ...20F540 35 ...

Страница 36: ...ans electronic mechanical photocopying recording or otherwise without prior written permission of the publisher QRC0014 U March 2004 Modify SEMEX J B Design and Production Information Design SEM Production SEMEX 20F540 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 ...

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