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14-1

A7121CA

MECHANICAL PARTS LIST

PARTS REPLACEMENT

Replacement parts which have these special safety
characteristics identified in this manual ; electrical
components having such features are identified by

#

and shaded areas in the Replacement Parts Lists and
Schematic Diagrams. The use of a substitute replacement
part which does no have the same safety characteristic
as the factory recommended replacement parts shown in
this service manual may create shock, fire or other
hazards.

"HOW TO ORDER REPLACEMENT PARTS"

To have your order filled promptly and correctly, please
furnish the following informations.

1. MODEL NUMBER

2. REF. NO.

3. PART NO.

4. DESCRIPTION

in

USA

: Contact your nearest SHARP Parts Distributor to

order. For location of SHARP Parts Distributor,
Please call Toll-Free; 1-800-BE-SHARP

Cabinet and Packing

LISTE DES PIÈCES

MÉCHANIQUES

CHANGE DES PIECES

Les pièces de rechange qui pr élelesentent ces caract
éleristiques sp éleciales de s élecurit éle, sont identifi
élees dans ce manuel : les pièces élelectriques qui pr
élesentent ces particularit éles, sont rep éler élee par la
marque

#

et sont hachur élees dans les listes de pièces

et dans les diagrammes sch élematiques.

La substitution d’une pièce de rechange par une autre qui
ne pr éLesente pas les m éoemes caract éleristiques de
s élecurit éle que la pièce recommand élee parl’usine et
dans ce manuel de service, peut provoquer une
éLelectrocution, un incendie ou toutautre sinistre.

"COMMENT COMMANDER LES PIECES DE RECHANGE"

Pour que votre commande soit rapidement et correctement
remplie, veuillez fournir les renseignements suivants.

1. NUMERO DU MODELE

2. NO. DE REF

3. NO. DE PIECE

4. DESCRIPTION

in

CANADA

: Contact SHARP Electronics of Canada

Limited Phone (416) 890-2100

Ref. No.

Part No.

Description

A1

9HS1EM021646

FRONT CABINET A7121UH

A3

9HS1EM322535

CONTROL PLATE A7121UH

A4

9HS1EM021681

REAR CABINET A7121UH

A6

#

----------

RATING LABEL A7121UH

A7

9HS1EM322170

FUNCTION KNOB L2530JA

A9

9HS1EM021648

STAND COVER A7121UH

A10

9HS1EM423989

CONNECTER CAP A7120UH

A11

9HS1EM322525

SENSOR LED LENS A7121UH

A12

9HS1EM422534

STAND RUBBER FOOT L4300UA

A15

9HS1EM021647

FRONT COVER A7121UH

A20

----------

POP LABEL A7121UH

B1

9HS1EM423986

SPEAKER HOLDER A7120UH

B2

9HS1EM321626B

TILT STAND HOLDER L2500UA

B3

9HS1EM321428

STAND HOLDER L2500UA

B4

9HS1EM221489

JACK HOLDER A7120UH

B5

9HS1EM021568

LCD HOLDER A7120UH

B8

9HS1EM221544

ARM ASSEMBLY A7120UH

B9

9HS1EM322373

MODULE PCB HOLDER P7150UZ

B13

9HS1EM420551

RUBBER CUSHION L0170UA

B14

9HS1EM420019

CLOTH(10X190XT0.3) L0200UA

CL1401

9HSX1A7120-006

WIRE ASSEMBLY 33PIN FFC 33PIN/80MM

CL1402

9HSX1A7121-002

WIRE ASSEMBLY 25PIN FFC 25PIN/80MM

CL1411

9HSX1A7120-007

WIRE ASSEMBLY 20PIN LVDS 20PIN/100MM

L2

9HSGBJP3080

SCREW P-TIGHT M3X8 BIND HEAD+

L3

9HSGBHP3100

SCREW P-TIGHT 3X10 BIND HEAD+

L5

9HSGBHP4180

SCREW P-TIGHT M4X18 BIND HEAD+

L6

9HSGCJP3100

SCREW P-TIGHT M3*10 WAS

L12

9HSGBJS3080

SCREW S-TIGHT M3X8 BIND HEAD+

L19

9HS1PM420450

SEMS SCREW M3X6 J5600

L20

9HSGBHB4080

SCREW B-TIGHT M4X8 BIND HEAD+ BLK

L21

9HS1EM422564

DOUBLE SEMS SCREW M3X8 M3X8

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Содержание LC-15AV7U

Страница 1: ...r after sales service only The contents are subject to change without notice LC 15AV7U Page SPECIFICATIONS 1 1 IMPORTANT SAFEGUARDS AND PRECAUTIONS 2 1 STANDARD NOTES FOR SERVICING 3 1 CABINET DISASSEMBLY INSTRUCTIONS 4 1 ELECTRICAL ADJUSTMENT INSTRUCTIONS 5 1 HOW TO INITIALIZE THE LCD TELEVISION 6 1 TROUBLESHOOTING 7 1 BLOCK DIAGRAMS 8 1 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 9 1 WAVEFORMS 10 1...

Страница 2: ...y x AT 80 WHITE FIELD AT 100 WHITE FIELD K 0 278 10500 3 Resolution 0 005 0 005 4 Brightness Vertical Horizontal line line 0 286 400 350 350 cd m2 AUDIO All items are measured across 8Ω load at speaker output terminal with L P F Description Condition Unit Nominal Limit 1 Audio Output Power 10 THD Lch Rch W 1 0 1 0 0 8 0 8 2 Audio Distortion 500mW Lch Rch 1 5 1 5 3 0 3 0 3 Audio Freq Response 4 Aud...

Страница 3: ...1 UHF BAND CH 41 VHF LOW BAND CH 4 VHF HI BAND CH 10 UHF BAND CH 41 A B C D E F G Lch Rch Lch Rch FF VHF LOW BAND CH 4 kHz dBm dB dB dB dB 100 76 0 26 6 6 50 3 Note Nominal specifications represent the design specifications All units should be able to approximate these Some will exceed and some may drop slightly below these specifications Limit specifications represent the absolute worst condition...

Страница 4: ...eakage Current Hot Check With the instrument completely reassembled plug the AC line cord directly into a 120V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL 1410 50 7 With the instrument AC switch fir...

Страница 5: ...ical parts have special safety related characteristics which are often not evident from visual inspection nor can the protection they give necessarily be obtained by replacing them with components rated for higher voltage wattage etc Parts that have special safety characteristics are identified by a on schematics and in parts lists Use of a substitute replacement that does not have the same safety...

Страница 6: ...e an AC voltmeter having with 5000 ohm per volt or higher sensitivity or measure the AC voltage drop across the resistor Connect the resistor connection to all exposed metal parts having a return to the chassis antenna metal cabinet screw heads knobs and control shafts escutcheon etc and measure the AC voltage drop across the resistor All checks must be repeated with the AC cord plug connection re...

Страница 7: ...tre CA d une sensibilité d au moins 5000Ω V pour mesurer la chute de tension en travers de la résistance Toucher avec la sonde d essai les pièces métalliques exposées qui présentent une voie de retour au châssis antenne coffret métallique tête des vis arbres de commande et des boutons écusson etc et mesurer la chute de tension CA en travers de la résistance Toutes les vérifications doivent être re...

Страница 8: ...As the melting point of lead free solder Sn Ag Cu is higher than the lead wire solder by 40 C we recommend you to use a dedicated soldering bit if you are not familiar with how to obtain lead free wire solder or soldering bit contact our service station or service branch in your area 3 Soldering As the melting point of lead free solder Sn Ag Cu is about 220 C which is higher than the conventional ...

Страница 9: ...Soldering Iron 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC you can remove it easily Fig S 1 3 Flat Pack IC Desoldering Braid Soldering Iron Fig S 1 3 2 Lift each lead of the flat pack IC upward one by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pi...

Страница 10: ...o Solid Mounting Point Soldering Iron Iron Wire or Hot Air Blower Fig S 1 5 Fine Tip Soldeing Iron CBA Flat Pack IC Tweezers Fig S 1 6 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more easily 2 The mark on the flat pack IC indicates pin 1 See Fig S 1 7 Be sure this mark matches the ...

Страница 11: ...ounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with ...

Страница 12: ...INSTRUCTIONS 1 2 3 4 5 Step Loc No Part Removal Fig No Remove Unhook Unlock Release Unplug Unclamp Desolder Note 6 IR Sensor CBA D2 D3 S 7 7 Jack Holder D2 S 8 CL1104 8 DTV Module CBA Unit D2 D4 7 S 9 CL801 CL802 CN61 CN62 CN401 CN403 CN1201 CN1202 Module PCB Holder 9 Main CBA D2 D4 10 LCD Holder D2 5 S 10 4 S 11 11 LVDS CBA Unit D2 D4 3 S 12 CN1411 12 LCD Module D2 13 Junction A CBA D2 Desolder 1...

Страница 13: ...4 2 A7121DC Fig D1 3 Rear Cabinet 1 Arm Assembly S 3 S 4 S 3 S 1 2 Stand Cover S 2 S 2 S 3 S 3 ...

Страница 14: ... 5 Tilt Stand Holder S 6 S 7 S 5 11 LVDS CBA Unit 9 Main CBA S 9 S 10 S 10 S 11 S 12 S 5 8 DTV Module CBA Unit Module PCB Holder 12 LCD Module 16 Front Cabinet S 9 S 8 S 9 S 9 S 10 S 10 S 11 S 11 S 11 S 5 S 9 14 Junction B CBA Fig D2 Speaker Holder S 13 Desolder Speaker Holder S 13 13 Junction A CBA Desolder ...

Страница 15: ...01 CN403 To LCD Module Main CBA CN1302 IR Sensor CBA CN62 CN61 CN101 CN102 DTV Module CBA Unit CL1107 Function CBA CN1411 CN1401 CN1402 To LCD Module LVDS CBA Unit To Speaker CL801 Junction A CBA To Speaker CL802 Junction B CBA CN801 TV Cable Wiring Diagram ...

Страница 16: ...on table 1 Press the number after MENU on the table to access next item Press CH o p to change data value Table 1 Initial Data VALUE DATA 1 2 RF BRT MENU 122 RF CNT 200 RF CLR R 130 RF CLR B 115 RF TNT 135 RF SHR 123 V BRT MENU 112 V CNT 182 V CLR R 110 V CLR B 110 V TNT 138 V SHR 112 ITEM on the remote control BUTTON ELECTRICAL ADJUSTMENT INSTRUCTIONS ITEM VALUE DATA COR C D1 VOL 1 VOL 3 VOL 4 VO...

Страница 17: ... within specification adjust DB C D1 or DR C D1 or DR C D1 Refer to 1 Initial Setting RF INPUT1 APL20 Press 3 button to select COB C D1 for Blue adjustment Press 1 button to select COR C D1 for Red adjustment When x value and y value are not within specification adjust COB C D1 or COR C D1 Refer to 1 Initial Setting 6 INPUT2 APL80 Press 6 button to select C DB C D2 for Blue adjustment Press 4 butt...

Страница 18: ...contrast and brightness controls are set to initial position 4 Confirm C position was beginning to bright 5 If C position was beginning to bright no need to adjust 6 If C position is not available or to be highly bright ness then adjust IIC BUS dada RF INPUT1 BRT INPUT2 D1 BRT 7 Turn the power off and on again Main power button on the TV unit ...

Страница 19: ...MENU and POWER buttons on the TV unit simultaneously in the standby mode 2 To initialize the LCD television press DISPLAY button on the remote control unit 3 Confirm FF indication on the upper right of the screen HOW TO INITIALIZE THE LCD TELEVISION ...

Страница 20: ... output 7 4 13 AL 1 2V D is not output 7 4 14 AL 3 3V A is not output 7 4 15 P ON 5V 1 is not output 7 5 16 12V is not output 7 5 17 P ON 9V is not output 7 5 18 DTV ON 1 8V is not output 7 5 19 The key operation is not functioning 7 6 20 No operation is possible from the remote control unit 7 6 21 Picture does not appear normally Tuner input Analog Video input S Video input 7 7 22 Picture does no...

Страница 21: ... Check the presence that the rectifying diode or circuit is shorted in each rectifying circuit of secondary side and service it if defective After servicing replace the fuse When the output voltage fluctuates FLOW CHART NO 3 Does the photocoupler circuit on the secondary side operate normally No Yes Check IC601 Q913 D909 D933 and their periphery and service it if defective When buzz sound can be h...

Страница 22: ...ce it defective DTV ON 2 5V is not output FLOW CHART NO 9 Yes No Check Q909 D924 and their periphery circuit and service it if defective See FLOW CHART No 8 DTV ON 3 3V is not output FLOW CHART NO 8 Yes No Is approximately 5V voltage supplied to the cathode of D906 Check D906 C905 and their periphery circuit and service it if defective Check Q908 D923 and their periphery circuit and service it if ...

Страница 23: ...e Pin 3 of IC901 AL 3 3V D is not output FLOW CHART NO 12 Is approximately 6 8V voltage supplied to the cathode of D903 No Yes Check D903 C903 and their periphery circuit and service it if defective Yes Check Q907 D922 and their periphery circuit and service it if defective Yes See FLOW CHART No 12 See FLOW CHART No 11 Check Q902 D920 and their periphery circuit and service it if defective No AL 3...

Страница 24: ...age supplied to the cathode of D902 Is approximately 11 8V voltage supplied to the collector of Q923 No Is the voltage of base on Q923 lower than the voltage of emitter on Q923 when turning the power on See FLOW CHART No 16 No DTV ON 1 8V is not output FLOW CHART NO 18 Is approximately 3 3V voltage supplied to the cathode of D911 Check IC904 and their periphery circuit and service it if defective ...

Страница 25: ...ry and service it if defective Yes Check IC1202 and the periphery circuit and service it if defective Check IC1202 and the periphery circuit and service it if defective No Is the L pulse sent out Pin 1 terminal of receiver RCV1142 when the infrared remote control is activated Check the line between Pin 1 terminal of receiver RCV1142 and Pin 3 of CN1302 and service it if defective Yes Is the L puls...

Страница 26: ... Check the line between Pin 64 of IC1202 and Pin 20 of CN62 and service it if defective Are the Y signals inputted to the Pin 73 of IC1202 Are the Pb signals inputted to the Pin 54 of IC1202 Are the Pr signals inputted to the Pin 64 of IC1202 Are the video signals inputted to the specific input terminal FLOW CHART NO 21 Are the video signals outputted to the specific output terminal Are the DIF si...

Страница 27: ...udio is not outputted normally Tuner input FLOW CHART NO 24 Are the DIF signals outputted to the Pins 11 12 of CN62 No Yes Check the line between Pins 11 12 of CN62 and TU61 and service it defective Are the audio L R signals outputted to the Pin 15 16 of CN62 No Yes Replace DTV MODULE CBA UNIT Are the audio L R signals inputted to the Pins 5 14 of IC852 No Yes Check the line between Pins 5 14 of I...

Страница 28: ...e the audio L R signals outputted to the Pins 3 13 of IC852 No Yes Check IC852 and the periphery circuit and service it if defective Are the audio L R signals outputted to the Pins 11 14 of IC801 No Yes Check SP801 SP802 JK801 and their periphery circuit and service it if defective Check IC801 and the periphery circuit and service it if defective Audio is not outputted normally Audio input termina...

Страница 29: ...DIO MUTE INPUT 0 INPUT 1 S SW SCL SDA IC61 MEMORY SCL 6 5 SDA 29 BUS OPEN 5 AFT IN 44 FSC AFT IN FSC Q917 IR SENSOR CBA CL1104 CN1302 REMOTE SENSOR RV1142 REMOTE 3 3 157 SDA SCL BACKLIGHT ADJ 20 TO LCD BACKLIGHT BLOCK DIAGRAM BACKLIGHT ADJ BACKLIGHT SW BACKLIGHT SW 152 DTV ON H DTV ON H IC1205 MEMORY SCL 6 SDA 5 7 WP 17 16 15 155 153 IC101 DTV SIGNAL PROCESS DTV MODULE CBA UNIT 38 155 154 153 204 ...

Страница 30: ...O IN TO SYSTEM CONTROL BLOCK DIAGRAM S SW IF MUTE C Y INPUT 0 INPUT 1 INPUT 2 TO SYSTEM CONTROL BLOCK DIAGRAM Q707 Q708 INPUT 2 INV Q709 TUNER UNIT CF31 IC31 IF SIGNAL PROCESS VIF AMP VIDEO DET VCO 4 5MHz FILTER RF AGC AMP SIF AMP 16 13 18 17 4 7 8 1 TO SYSTEM CONTROL BLOCK DIAGRAM AFT IN SIF TRAP 11 FSC IF AGC DET AFT EQ AMP 2 DEFEAT RF CVBS S VIDEO C S VIDEO Y VIDEO Y VIDEO Pb VIDEO Pr VIDEO IN1...

Страница 31: ...BLOCK DIAGRAM TUNER TUNER L CH R CH 21 27 24 IC851 MTS SAP AUDIO SIGNAL PROCESS AUDIO L IN1 JK704 DIGITAL AUDIO OUT JK1701 SIF JK705 AUDIO R IN1 JK709 AUDIO L IN2 JK710 AUDIO R IN2 OFFSET CANCEL 14 IC801 AUDIO AMP 7 VOLUME 11 AMP AMP MUTE STANDBY CONTROL R CH L CH 2 Q802 P ON 5V TO IF VIDEO BLOCK DIAGRAM 13 2 WF7 AUDIO1 AUDIO2 AUDIO1 AUDIO2 SIF BB SW INPUT VCA SIF DEMOD INPUT 2 INV 6 DTV DTV 5 1 D...

Страница 32: ...O DECODER AUDIO D A CONVERTER SDRAM I F FLASH MEMORY I F IC201 DDR SDRAM 2 2 DTV SPDIF 14 14 SDA 15 15 SCL 4 5 5 5 TU SDA 4 4 TU SCL CN62 L CH R CH SDA SCL BUS CONT 1 1 79 81 85 87 89 91 92 94 96 98 102 104 106 2 2 55 56 58 60 61 116 119 120 124 125 127 129 130 3 3 1 2 7 12 20 206 209 211 213 216 4 4 23 25 27 29 32 36 41 44 47 48 50 52 54 205 5 5 1 9 16 25 48 6 6 29 36 38 45 7 7 28 32 35 42 8 8 2 ...

Страница 33: ...B G DE QCLKL CVBS C Y WF3 WF2 WF4 WF5 WF6 VIDEO IN1 71 DTV Y DTV Pb 73 54 DTV Pr 64 125 QRL 1 18 16 QRL 0 19 15 QRL 3 16 18 QRL 2 17 17 QRL 5 14 20 QRL 4 15 19 QRL 7 12 22 QRL 6 13 21 QGL 0 9 25 QGL 1 8 26 QGL 2 7 27 QGL 3 6 28 QGL 4 5 29 QGL 5 4 30 QGL 6 3 31 QGL 7 2 32 DE 25 9 QBL 0 20 6 QBL 1 19 7 QBL 2 18 8 QBL 3 17 9 QBL 4 16 10 QBL 5 15 11 QBL 6 14 12 QBL 7 13 13 QCLKL 24 2 CN1401 CN1402 IC1...

Страница 34: ... CN1411 CN1402 LVDS CBA UNIT Q908 SW 3 3V Q909 SW 2 5V Q918 SW 9V Q907 SW 5V Q903 SW 5V SWITCHING Q906 SWITCHING SWITCHING CN102 DTV ON 3 3V 4 4 CN62 DTV ON 2 5V 5 5 DTV ON 1 8V 6 6 DTV ON 3 3V DTV ON 1 8V DTV ON 2 5V CN101 DTV ON 5V 3 3 CN61 DTV ON 5V DTV MODULE CBA UNIT SWITCHING Q925 Q924 SW 5V CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fu...

Страница 35: ... 9 7 3 5 2 6 1 4 10 8 TO POWER SUPPLY BLOCK DIAGRAM MAIN CBA CURRENT CONTROL SWITCH Q461 Q464 T403 OVER VOLTAGE PROTECTOR Q462 9 7 3 5 2 6 1 4 10 8 OVER VOLTAGE PROTECTOR Q404 Q406 10V REG OVER CURERENT PROTECTOR Q425 Q405 SWITCHING SWITCHING SWITCHING BACKLIGHT ADJ Q401 SW 22V TO SYSTEM CONTROL BLOCK DIAGRAM SWITCHING Q407 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD ...

Страница 36: ...er shown on these drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in µF P 10 6 µF 5 All voltages are DC voltages unless otherwise specifie...

Страница 37: ...se only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Note Mark is a leadless chip component 6 Voltage indications on the schematics are as shown below Plug the TV po...

Страница 38: ...CN1201 1 0 2 1 2 3 1 0 4 1 0 5 1 7 6 0 7 7 1 1 8 1 3 9 1 2 10 0 11 0 12 1 2 13 0 9 14 1 1 15 1 4 16 0 9 17 1 1 18 1 3 19 1 1 20 0 21 0 22 0 23 0 24 0 25 2 7 26 0 27 0 28 3 3 29 0 30 0 31 3 4 32 0 33 0 CN1202 1 3 5 2 3 5 VOLTAGE CHART Pin No Voltage Pin No Voltage 3 3 5 4 3 5 5 3 5 6 3 5 7 3 5 8 3 5 9 3 5 10 0 11 0 12 0 13 1 2 14 1 2 15 0 6 16 1 5 17 0 8 18 1 2 19 1 3 20 1 1 21 0 22 0 23 0 24 1 0 2...

Страница 39: ...on IC31 I 1 IC61 K 1 IC851 G 3 IC852 J 4 CN61 L 2 CN62 G 2 ICS CONNECTORS CN61 1 0 2 1 9 3 5 1 4 3 1 5 3 1 6 0 7 3 2 8 3 4 9 3 4 10 0 1 11 0 12 0 1 13 0 14 3 1 15 3 1 CN62 1 2 3 3 3 0 4 3 4 5 2 6 6 1 9 7 8 0 9 4 4 10 0 11 0 12 0 13 0 14 15 2 6 16 2 6 17 0 18 19 20 VOLTAGE CHART Pin No Voltage Pin No Voltage ...

Страница 40: ...9 5 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD A7121SCM3 Main 3 5 Junction A Junction B Schematic Diagram MAIN 3 5 Ref No Position IC801 N 2 Q707 P 3 Q708 P 2 Q709 P 2 Q802 N 1 IC TRANSISTORS ...

Страница 41: ...ING BOARD A7121SCM4 Main 4 5 Schematic Diagram MAIN 4 5 Ref No Position Q401 V 3 Q402 W 3 Q403 W 3 Q404 V 1 Q405 W 2 Q406 V 2 Q407 V 2 Q421 S 4 Q422 V 4 Q424 T 3 Q425 U 3 Q461 S 2 Q462 V 3 Q464 T 1 CN401 X 4 CN403 X 4 CONNECTORS TRANSISTORS ...

Страница 42: ...ts in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal A7121SCM5 Main 5 5 Schematic Diagram MAIN 5 5 Ref No Position IC601 AA 1 IC901 DD 2 IC904 BB 2 IC905 BB 1 IC906 CC 3 Q601 Y 2 Q603 Z ...

Страница 43: ...9 8 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD A7121SCF Function Schematic Diagram ...

Страница 44: ...9 9 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD A7121SCIR IR Sensor Schematic Diagram ...

Страница 45: ...9 10 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD A7121SCLV LVDS Schematic Diagram LVDS Ref No Position IC1401 C 4 CN1401 A 4 CN1402 A 2 CN1411 E 3 CONNECTORS IC ...

Страница 46: ...9 11 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD A7121SCD1 DTV Module 1 2 Schematic Diagram DTV MODULE 1 2 Ref No Position IC101 E 1 CN251 A 1 CONNECTOR IC ...

Страница 47: ...NG BOARD A7121SCD2 DTV Module 2 2 Schematic Diagram DTV MODULE 2 2 Ref No Position IC201 H 4 IC202 J 4 IC252 G 2 IC291 I 2 Q211 J 2 Q212 J 2 Q213 J 2 Q214 J 2 Q243 I 1 Q244 J 1 Q245 J 1 Q251 K 2 CN101 L 2 CN102 L 1 ICS TRANSISTORS CONNECTORS ...

Страница 48: ... supply circuit an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a variable isolation transformer is required NOTE CBA AND PWB MEANS PRINTED WIRING BOARD MAIN CBA Ref No Position Ref No Position IC31 B 3 Q708 C 1 IC61 A 3 Q709 C 2 IC601 D 5 Q802 D 4 IC801 C 5 Q901 E 2 IC851 C 2 Q902 D 1 IC852 B ...

Страница 49: ...is unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used Also in order to have the ability to increase the i...

Страница 50: ...ion CBA Bottom View BA7120F01021 1 IR Sensor CBA Top View IR Sensor CBA Bottom View BA7120F01021 2 NOTE CBA AND PWB MEANS PRINTED WIRING BOARD BA7120F01021 3 BA7120F01021 4 Junction A CBA Top Bottom View Junction B CBA Top Bottom View ...

Страница 51: ...check points Shown in Schematic Diagram CVBS 0 2V 20µs WF1 Pin 71 of IC1202 S VIDEO Y 0 2V WF2 Pin 76 of IC1202 20µs S VIDEO C 0 2V WF3 Pin 57 of IC1202 20µs AUDIO 0 1V 0 5ms WF7 Pin 14 of IC801 VIDEO Pr 0 2V 20µs Pin 66 of IC1202 WF6 VIDEO Pb 0 2V 20µs Pin 56 of IC1202 WF5 VIDEO Y 0 2V 20µs 20µs Pin 75 of IC1202 WF4 ...

Страница 52: ... CN1411 1 3 2 5 4 7 6 8 9 10 13 12 11 14 15 17 16 19 18 20 TC GND TB TB GND TA TA GND GND PANEL 3 3V PANEL 3 3V TC GND TCLK TCLK GND TD TD GND NU CN1201 1 3 2 5 4 7 6 8 9 10 13 12 11 14 15 17 16 19 18 21 20 22 23 24 27 26 25 28 GND GND QGL 0 QGL 1 QGL 2 QGL 3 QGL 4 QGL 5 QGL 6 QGL 7 GND QRL 7 QRL 6 QRL 5 QRL 4 QRL 3 QRL 2 QRL 1 QRL 0 GND GND GND GND GND DE GND GND HD NU 31 30 29 32 GND GND VD NU G...

Страница 53: ...ction 1 VDD 3 3V 3 3V VDD 2 VDD 3 3V 3 3V VDD 3 KEY IN 1 Key Input 1 4 KEY IN 2 Key Input 2 5 AFT IN AFT Voltage Input 6 PROTECT 1 Power Supply Protection 1 7 PROTECT 2 Power Supply Protection 2 8 PROTECT 4 Power Supply Protection 4 9 ADIN6 Reference Terminal 10 VSS GND 11 NU Not Used 12 NU Not Used 13 NU Not Used 14 NU Not Used 15 DTV S SOUT DTV Serial Data Out 16 DTV S SIN DTV Serial Data In 17 ...

Страница 54: ...Y Luminance Signal Input 77 AVDDA 3 3V VDD 78 VSS GND 79 VDD 3 3V 3 3V VDD 80 VSS GND 81 VSS GND 82 VDD 3 3V 3 3V VDD 83 VDD 3 3V 3 3V VDD Pin No Signal Name Function 84 NU Not Used 85 NU Not Used 86 NU Not Used 87 NU Not Used 88 NU Not Used 89 NU Not Used 90 NU Not Used 91 NU Not Used 92 NU Not Used 93 NU Not Used 94 RESET Reset Output 95 NU Not Used 96 NU Not Used 97 NU Not Used 98 NU Not Used 9...

Страница 55: ...ACKLIGHT SW Inverter Control Signal Output 158 BOOT SEL Boot Select 159 VSS GND 160 VSS GND Pin No Signal Name Function 1 ANODE Anode LED 2 CATHODE Cathode LED 3 EMITTER Phototransistor Emitter 4 COLLECTOR Phototransistor Collector Pin No Signal Name Function Pin No Signal Name Function 1 CH1 IN A Audio Signal Intput R ch 2 MUTE STANDBY Mute Switching 3 NU 4 GND GND 5 RF Reference Terminal 6 CH2 I...

Страница 56: ... 5 1Y Audio Signal 1 Input R ch 6 INH Input Select Signal 7 VEE GND 8 GND GND 9 B Input Select B Signal 10 A Input Select A Signal 11 3X Audio Signal 3 Input L ch 12 0X Audio Signal 0 Input L ch 13 X COM Audio Signal Output L ch 14 1X Audio Signal 1 Input L ch 15 2X Audio Signal 2 Input L ch 16 VDD VDD Pin No Signal Name Function 1 GND GND 2 V IN Input Voltage 3 V OUT Output Voltage Pin No Signal ...

Страница 57: ...h this mark Main CBA AC601 Function CBA DTV Module CBA Unit SP801 SP802 A1 A7 A3 L3 A4 B14 L3 B14 B14 B14 B14 L21 L6 B2 L6 L19 S10 L2 B5 L19 L6 L6 B13 L21 A6 L12 L6 L21 B3 B14 L19 L6 LCD 1 IR Sensor CBA L6 L6 L19 L21 B4 L21 L9 B10 L9 B9 L5 A10 A9 LVDS CBA Unit A15 A11 CL1402 CL1401 CL1411 A20 L21 L6 B1 B1 Junction A CBA L6 L6 B1 B1 Junction B CBA L6 ...

Страница 58: ...13 2 Packing A7121PEX S1 FRONT FRONT S2 S10 S4 Tape Packing Tape Packing Tape Packing Tape S3 X1 Some Ref Numbers are not in sequence X4 X6 X3 X2 Packing Tape Shipping Label ...

Страница 59: ... incendie ou toutautre sinistre COMMENT COMMANDER LES PIECES DE RECHANGE Pourquevotrecommandesoitrapidementetcorrectement remplie veuillez fournir les renseignements suivants 1 NUMERO DU MODELE 2 NO DE REF 3 NO DE PIECE 4 DESCRIPTION in CANADA Contact SHARP Electronics of Canada Limited Phone 416 890 2100 Ref No Part No Description A1 9HS1EM021646 FRONT CABINET A7121UH A3 9HS1EM322535 CONTROL PLAT...

Страница 60: ...ER S0407F10 S1 9HS1EM424244 CARTON A7121UH S2 9HS1EM021669 STYROFOAM TOP A7121UH S3 9HS1EM021674 STYROFOAM BOTTOM A7121UH S4 9HS0EM301908 SET BAG L0110UA S10 BARCODE LABEL A7121UH X1 9HS0EM408420A BAG POLYETHYLENE 235X365XT0 03 X2 9HS1EMN22131 OWNERS MANUAL A7121UH X3 9HSREMT32HD004 REMOTE CONTROL ETR0088 010200 X4 9HSB0M311MS001 DRY BATTERY R6UW 2S X6 9HS1EM322562 REGISTRATION CARD A7121UH ...

Страница 61: ...es de s élecurit éle sont identifi élees dans ce manuel les pièces élelectriques qui pr élesentent ces particularit éles sont rep éler élee par la marque et sont hachur élees dans les listes de pièces et dans les diagrammes sch élematiques La substitution d une pièce de rechange par une autre qui ne pr éLesente pas les m éoemes caract éleristiques de s élecurit éle que la pièce recommand élee parl...

Страница 62: ...0B102 CHIP CERAMIC CAP 1608 B K 1000pF 50V C89 9HSHD1JJ3CH221 CHIP CERAMIC CAP CH J 220pF 50V C90 9HSE1JMASDL100 ELECTROLYTIC CAP 10µF 50V M C401 9HSCA1JZTFZ104 CERAMIC CAP AX F Z 0 1µF 50V C402 9HSHD1JK30B562 CHIP CERAMIC CAP 1608 B K 5600pF 50V C403 9HSE1JMASDL100 ELECTROLYTIC CAP 10µF 50V M C405 9HSE1JMASDL1R0 ELECTROLYTIC CAP 1µF 50V M C421 9HSE1JMASDL100 ELECTROLYTIC CAP 10µF 50V M C423 9HSA3...

Страница 63: ...CERAMIC CAP F Z 2 2µF 10V C868 9HSHD1AK30B105 CHIP CERAMIC CAP 1608 B K 1µF 10V C869 9HSHD1JK30B223 CHIP CERAMIC CAP 1608 B K 0 022µF 50V C872 9HSCA1JZTFZ104 CERAMIC CAP AX F Z 0 1µF 50V C901 9HSE1EMZPDL222 ELECTROLYTIC CAP 2200µF 25V M C902 9HSE1EMASDL471 ELECTROLYTIC CAP 470µF 25V M C903 9HSE1CMZPDL102 ELECTROLYTIC CAP 1000µF 16V M C904 9HSE1JMAVSLR47 ELECTROLYTIC CAP 0 47µF 50V M H7 C905 9HSE1C...

Страница 64: ...HSHD1JK30B104 CHIP CERAMIC CAP 1608 B K 0 1µF 50V C1344 9HSHD1EZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V C1345 9HSHD1JK30B104 CHIP CERAMIC CAP 1608 B K 0 1µF 50V C1346 9HSHD1EZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V C1347 9HSHD1EZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V C1348 9HSHD1EZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1µF 25V C1349 9HSE1CMASDL470 ELECTROLYTIC CAP 47µF 16V M C1350 9HSHD1JK30...

Страница 65: ...T PCB JUMPER D0 6 P5 0 D901 9HSD7Z000ERB84 SCHOTTKY BARRIER DIODE ERB84 009 D902 9HSDQZ000FR202 RECTIFIER DIODE FR202 B P D903 9HSDQZ0021DQ04 SCHOTTKY BARRIER DIODE 21DQ04 D905 9HSDTC0MTZJ7R5 ZENER DIODE MTZJT 777 5C D906 9HSDPZERC81004 SCHOTTKY BARRIER DIODE ERC81 004 D909 9HSDLZ000FR154 DIODE FR154 D910 9HSDLZ001ZC43Q DIODE 1ZC43 Q D911 9HSDPZERC81004 SCHOTTKY BARRIER DIODE ERC81 004 D913 9HSDLZ...

Страница 66: ...NE FILTER 5 0MH 6Y075 L701 9HSJW5 0T PCB JUMPER D0 6 P5 0 L781 9HSJW5 0T PCB JUMPER D0 6 P5 0 L851 9HSJW5 0T PCB JUMPER D0 6 P5 0 L1200 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 OHM L1227 9HSLBC003TU058 CHIP INDUCTOR BK1608LL241 T L1301 9HSJW5 0T PCB JUMPER D0 6 P5 0 L1338 9HSLAXJATTU010 INDUCTOR 1 0µH J 26T L1346 9HSLAXJATTU010 INDUCTOR 1 0µH J 26T L1351 9HSLAXJATTU010 INDUCTOR 1 0µH J 26T L1356 9HSLAXJ...

Страница 67: ...XAJR5Z0223 CHIP RES 1 10W J 22k Ω R75 9HSRXAJR5Z0103 CHIP RES 1 10W J 10k Ω R401 9HSRXAJR5Z0152 CHIP RES 1 10W J 1 5k Ω R402 9HSCX4JATZ0273 CARBON RES 1 4W J 27k Ω R403 9HSCX4JATZ0151 CARBON RES 1 4W J 150 Ω R404 9HSCX4JATZ0562 CARBON RES 1 4W J 5 6k Ω R406 9HSRXAJR5Z0332 CHIP RES 1 10W J 3 3k Ω R407 9HSRXAJR5Z0103 CHIP RES 1 10W J 10k Ω R408 9HSCX4JATZ0821 CARBON RES 1 4W J 820 Ω R409 9HSCX4JATZ0...

Страница 68: ...10W J 75 Ω R738 9HSRXAJR5Z0101 CHIP RES 1 10W J 100 Ω R739 9HSRXAJR5Z0101 CHIP RES 1 10W J 100 Ω R742 9HSRXAJR5Z0750 CHIP RES 1 10W J 75 Ω R744 9HSRXAJR5Z0750 CHIP RES 1 10W J 75 Ω R756 9HSRXAJR5Z0223 CHIP RES 1 10W J 22k Ω R759 9HSRXAJR5Z0223 CHIP RES 1 10W J 22k Ω R783 9HSRXAZR5Z0000 CHIP RES 1608 1 10W 0 Ω R786 9HSRXAZR5Z0000 CHIP RES 1608 1 10W 0 Ω R797 9HSRXAJR5Z0392 CHIP RES 1 10W J 3 9k Ω R...

Страница 69: ...4JATZ0473 CARBON RES 1 4W J 47k Ω R923 9HSCX4JATZ0102 CARBON RES 1 4W J 1k Ω R924 9HSRXAJR5Z0103 CHIP RES 1 10W J 10k Ω R925 9HSRXAJR5Z0103 CHIP RES 1 10W J 10k Ω R926 9HSCX4JATZ01R8 CARBON RES 1 4W J 1 8 Ω R927 9HSCX4JATZ0471 CARBON RES 1 4W J 470 Ω R928 9HSCX4JATZ0471 CARBON RES 1 4W J 470 Ω R929 9HSCX4JATZ01R5 CARBON RES 1 4W J 1 5 Ω R930 9HSJW5 0T PCB JUMPER D0 6 P5 0 R931 9HSJW5 0T PCB JUMPER...

Страница 70: ...W J 33 Ω R1220 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1221 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1222 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1223 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1224 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1225 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1226 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R1229 9HSRXAJR5Z0102 CHIP RES 1 10W J 1k Ω R1231 9HSRXAJR5Z0330 CHIP RES 1 10W J 33 Ω R123...

Страница 71: ...004 CERAMIC FILTER SFSRA4M50CF00 B0 F601 9HSAGE20CW3402 FUSE STC4A125V U CT FH601 9HSH01Z00LY002 FUSE HOLDER MSF 015 LF B110 FH602 9HSH01Z00LY002 FUSE HOLDER MSF 015 LF B110 GP642 9HSAZ000LD6005 GAP FNR G3 10D J152 9HSLBF00STU026 BEAD INDUCTORS FBA04HA600VB 00 JK701 9HSYEJ040JC001 Y C JACK YKF51 5646N JK703 9HSXRJ010SNJ01 RCA JACK AV 4B 54H YELLOW JK704 9HSXRJ010SNJ04 RCA JACK WHITE AV 4B 58H WHIT...

Страница 72: ...038 TACT SWITCH SKQSAB MISCELLANEOUS CL1107 9HSX1A7121 003 WIRE ASSEMBLY 4PIN SW 15V 4PIN 85MM FUNCTION CBA IR SENSOR CBA JUNCTION A B CBA 9HS1ESA14126 9HS1ESA14126 FUNCTION CBA IR SENSOR CBA JUNCTION A B CBA Consists of the following FUNCTION CBA IR SENSOR CBA JUNCTION A CBA JUNCTION B CBA Ref No Part No Description IR SENSOR CBA CAPACITOR C1142 9HSE1JMAVSL2R2 ELECTROLYTIC CAP 2 2µF 50V M H7 DIOD...

Страница 73: ...TION ALL RIGHTS RESERVED No part of 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 Feb 2007 Printed in USA ...

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