Sharp LC-20S4U-S - 20" LCD TV Service Manual And Parts Listparts List Download Page 78

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Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

LC-20S4U-S

R3706

VRS-CY1JF184JY

J 180k 1/16W

Metal Oxide

R3707

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R3718

VRS-TQ2BD101JY

J 100 1/8W

Metal Oxide

R3725

VRS-CY1JF682FY

J 6.8k 1/16W

Metal Oxide

R3726

VRS-CY1JF152FY

J 1.5k 1/16W

Metal Oxide

R3727

VRS-TQ2BD1R0JY

J 1

1/8W

Metal Oxide

R3728

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R3729

VRS-CY1JF132FY

J 1.3k 1/16W

Metal Oxide

R3730

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R3731

VRS-TQ2BD000JY

J 0

1/8W

Metal Oxide

R7001

VRS-CY1JF122FY

J 1.2k 1/16W

Metal Oxide

R7002

VRS-CY1JF821FY

J 820 1/16W

Metal Oxide

R7003

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R7004

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R7005

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R7006

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R7007

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R7010

VRS-CY1JF911JY

J 910 1/16W

Metal Oxide

R7011

VRS-TQ2BD100JY

J 10

1/8W

Metal Oxide

R7012

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R7013

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R7014

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R7015

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R7016

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R7017

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R7018

VRS-CY1JF561JY

J 560 1/16W

Metal Oxide

R7019

VRS-CY1JF561JY

J 560 1/16W

Metal Oxide

R7020

VRS-CY1JF221JY

J 220 1/16W

Metal Oxide

R7021

VRS-CY1JF224JY

J 220k 1/16W

Metal Oxide

R7022

VRS-CY1JF223JY

J 22k 1/16W

Metal Oxide

R7023

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R7024

VRS-CY1JF222JY

J 2.2k 1/16W

Metal Oxide

R7025

VRS-CY1JF471JY

J 470 1/16W

Metal Oxide

R7026

VRS-CY1JF472JY

J 4.7k 1/16W

Metal Oxide

R7027

VRS-CY1JF182JY

J 1.8k 1/16W

Metal Oxide

R7028

VRS-CY1JF182JY

J 1.8k 1/16W

Metal Oxide

R7030

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R7031

VRS-CY1JF361JY

J 360 1/16W

Metal Oxide

R7032

VRS-CY1JF471JY

J 470 1/16W

Metal Oxide

R7033

VRS-CJ1JF101JY

J 100 1/16W

Metal Oxide

R7036

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R7037

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

MISCELLANEOUS PARTS

F3701

QFS-ZA005WJZZ

J Fuse, 2.5A/250V

F3702

QFS-ZA004WJZZ

J Fuse, 2.0A/250V

FB3201 RBLN-0035TAZZY

J Ferrite Bead

FB7005 RBLN-0061TAZZY

J Ferrite Bead

FB7006 RBLN-0061TAZZY

J Ferrite Bead

FB7007 RBLN-0061TAZZY

J Ferrite Bead

FB7008 RBLN-0061TAZZY

J Ferrite Bead

J3401

QSOCD0456CEZZ

J S-VIDEO

J3402

QJAKGA071WJZZ

X INPUT2 Terminal

J3403

QJAKGA071WJZZ

X INPUT3/OUTPUT Terminal AC

J3404

QJAKFA034WJZZ

X AUDIO(L/R)(INPUT1)

J3405

QJAKGA082WJZZ

X Y/PB/PR(INPUT1)

P3401

QPLGN1358REZZY J Plug, 13-pin

P3402

QPLGN0478GEZZ

J Plug, 4-pin

P3701

QPLGZ1938CEZZ

J Plug, 19-pin

P3702

QCNCMA012WJZZ J Connector, 15-pin

SC3401 QSOCNA292WJZZY J Socket, 60-pin

LUG3401 QLUGHA006WJZZY J Lug

LUG3403 QLUGHA006WJZZY J Lug

LUG3404 QLUGHA006WJZZY J Lug

DUNTKD084WE03

ANALOG Unit (Continued)

DUNTKD085WE03

R/C, LED Unit

INTEGRATED CIRCUITS

IC4000 VH+-1Y

J MM1616XBRE

TRANSISTORS

Q4000 VSDTC144EE/-1Y

J DTC144EE

Q4001 VSDTC144EE/-1Y

J DTC144EE

Q4002 VSDTC144EE/-1Y

J DTC144EE

DIODES

D4000 RH-PX0421CEZZY

J OPC Indicator

D4001 RH-PX0421CEZZY

J POWER/WAKE UP Timer

Indicator

D4006 RH-EX1247CEZZY

J Zener Diode, 5.6V

CAPACITORS

C4000

VCEASX1CN106MY J 10

16V

Electrolytic

C4001

VCKYCY1HF103ZY J 0.01

50V

Ceramic

C4003

RC-KZ0117TAZZY

J 4.7

6.3V Ceramic

RESISTORS

R4000

VRS-CY1JF331JY

J 330 1/16W

Metal Oxide

R4001

VRS-CY1JF182JY

J 1.8k 1/16W

Metal Oxide

R4002

VRS-CY1JF331JY

J 330 1/16W

Metal Oxide

R4004

VRS-TQ2BD681JY

J 680 1/8W

Metal Oxide

R4005

VRS-TQ2BD681JY

J 680 1/8W

Metal Oxide

R4006

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R4007

VRS-TQ2BD681JY

J 680 1/8W

Metal Oxide

R4008

VRS-TQ2BD681JY

J 680 1/8W

Metal Oxide

MISCELLANEOUS PARTS

J4000

QJAKJA009WJSA

J Headphone Jack

P4001

QPLGN1358REZZY J Plug, 13-pin

RMC4000 RRMCUA034WJQZ J Remote Receiver

QCNW-D299WJQZ X Connecting Cord

Summary of Contents for LC-20S4U-S - 20" LCD TV

Page 1: ... only The contents are subject to change without notice LCD COLOR TELEVISION CONTENTS IMPORTANT SERVICE SAFETY PRECAUTION 2 SPECIFICATIONS 5 OPERATION MANUAL 6 DIMENSIONS 8 REMOVING OF MAJOR PARTS 9 ADJUSTING PROCEDURE OF EACH SECTION 13 PUBLIC MODE SETTING PROCEDURE 23 TROUBLE SHOOTING TABLE 28 MAJOR IC INFORMATIONS 32 BLOCK DIAGRAM 34 OVERALL WIRING DIAGRAM 36 DESCRIPTION OF SCHEMATIC DIAGRAM 38...

Page 2: ...lacement parts shown in this service manual may create shock fire or other hazards WARNING 1 For continued safety no modification of any circuit should be attempted 2 Disconnect AC power before servicing BEFORE RETURNING THE RECEIVER Fire Shock Hazard Before returning the receiver to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched an...

Page 3: ...s radiations X ou autres accidents AVERTISSEMENT 1 N entreprendre aucune modification de tout circuit C est dangereux 2 Débrancher le récepteur avant toute réparation VERIFICATIONS CONTRE L INCEN DIE ET LE CHOC ELECTRIQUE Avant de rendre le récepteur à l utilisateur effectuer les vérifications suivantes 1 Inspecter tous les faisceaux de câbles pour s assurer que les fils ne soient pas pincés ou qu...

Page 4: ...h is higher than the conventional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contain...

Page 5: ... IN S VIDEO IN Terminals INPUT3 OUTPUT AUDIO IN VIDEO IN AUDIO OUT VIDEO OUT Antenna F Type Headphone Mini jack for stereo ø3 5 mm OSD language English Spanish French Power supply DC 12V AC 110 240V 50 60Hz AC adapter AC 110 125V AC cord Power consumption 73 W 0 15 W standby AC 120V 63 W DC 12V Weight 15 2 lbs 6 9 kg w o accessories ËAs a part of policy of continuous improvement SHARP reserves the...

Page 6: ...so that the LCD TV set can be watched most comfortably POWER Upper control panel INPUT MENU CH Channel VOL Volume Speaker Tilt the display by grabbing onto the carrying handle while securely holding down the stand with your other hand How to adjust the angle Listening with Headphones Ë Plug the headphone mini plug into the HEADPHONE jack located on the front of the main unit Headphones are not inc...

Page 7: ... Video mode The 3 Dimensional Y C separation circuit is used to remove flickering and color bleeding The 3 Dimensional Y C separation circuit does not function when S VIDEO or COMPONENT signals are played TV broadcasting system Factory setting of color system User setting TV Video TV Video Country NOTE Installing Batteries in the Remote Control Before using the LCD TV set for the first time instal...

Page 8: ...3 15 16 100 4 39 64 117 12 7 32 310 19 1 32 483 15 57 64 403 3 11 27 32 300 8 11 19 32 294 4 5 21 64 135 5 53 64 148 19 49 64 94 2 7 64 53 4 18 25 32 477 17 39 64 447 9 55 64 250 1 3 15 16 100 3 31 32 50 1 3 4 44 3 8 53 64 224 5 63 64 152 ...

Page 9: ... the cabinet B after opening from the direction of an arrow 8 Remove the stand angle fixing screws 3 pcs 9 Disconnect all the connectors from all the PWBs Cabinet B Carrying Handle 4 4 5 7 5 5 2 3 1 5 6 Cabinet A Terminal Cover R Terminal Cover L Stand Stand Cover P6706 P6705 P6704 P6703 P6702 SC1202 SC1201 SC1203 SC3401 P3701 P3702 P3402 P3401 CN1 CN2 CN3 SC4051 P6701 SC2001 SC4052 SC701 P4001 Op...

Page 10: ...he claws e and f and detach the chassis frame left from the analog PWB by pulling out the terminals Note When detaching the main PWB and analog PWB be careful not to break the PWB fixing claws 12 Remove the operation PWB fixing screws 5 pcs 13 Remove the inverter PWB fixing screws 2 pcs 14 Remove the R C LED PWB fixing screws 2 pcs 15 Remove the 3 lock screws each from the right and left speakers ...

Page 11: ...ion deflection sheet diffusion sheet and diffusion plate 18 Detach the lamp holders R top L top and R bottom L bottom from the lamp unit 19 Detach the reflection sheet from the back shield 16 17 Reflection deflection Sheet PSHEPA282WJZZ Diffusion Plate PCOVUA048WJZZ Diffusion Sheet PSHEPA274WJZZ Lamp Holder R Top LHLDZA414WJKZ Lamp Unit x5 KLMP A046WJZZ Reflection Sheet PSHEPA226WJZZ Lamp Holder L...

Page 12: ...rvice specific extension FFC flat cable QCNW A553WJZZ 2 Disconnect the FFC from between the main PWB SC1201 and LCD panel unit CN2 and then connect the service specific extension cord QCNW A556WJZZ 3 Disconnect the FFC for connection between the main PWB SC1203 and LCD panel unit CN3 and then connect the service specific extension FFC flat cable QCNW A555WJZZ 4 Remove the lock screws from the main...

Page 13: ... the power switch on the set or the remote controller 4 Key operation ËBasic operation Selecting a receiving channel Using the CH ù Ù keys select an actual receiving channel Instant press Channels are selected one by one Continuous press The next receivable channel is searched and selected Various adjustments Using the MENU cursor and VOL keys on the set and the remote controller adjust the settin...

Page 14: ...imum 3 To quit the built in signal pattern press the cursor UP DOWN keys The adjustment process mode screen reappears 6 2 TAMP adjustment 1 Feed the 100 white raster signal through the antenna input 2 See if the YDATA reading on adjustment process menu page 2 is within the range in the table below If not select the NTSC TAMP item on the same page Press the cursor RIGHT LEFT keys to scroll down the...

Page 15: ...djustment spec White 80 x 0 276 0 004 y 0 280 0 004 White 40 x 0 263 0 002 y 0 262 0 002 Adjusting with the bus Cut off RGB CUTOFF2 Fix the G setting at 0 Vary the R and B settings Adjustable range 30 Gain RGB GAIN Reduce the settings of the two stronger colors Adjusted down to 30 The values are based on the Minolta CA 210 7 Factory settings 7 1 Making factory settings 1 Hold down the INPUT and VO...

Page 16: ...E X NONE BLOCK NONE TV GUIDELINES TV Y NONE BLOCK NONE TV Y7 NONE BLOCK NONE TV G NONE BLOCK NONE TV PG NONE BLOCK NONE TV 14 NONE BLOCK NONE TV MA NONE BLOCK NONE BLOCK CONTENT D BLANK BLOCK BLANK UN BLOCK L BLANK BLOCK BLANK UN BLOCK S BLANK BLOCK BLANK UN BLOCK V BLANK BLOCK BLANK UN BLOCK FV BLANK BLOCK BLANK UN BLOCK CAN ENGLISH RATINGS C NONE BLOCK NONE C8 NONE BLOCK NONE G NONE BLOCK NONE P...

Page 17: ...ion mentioned above it enters the adjustment process with the power LED red Entering the adjustment process turns off the error detection and turns on TV This enables the operation check to detect errors in the lamp or lamp circuit Check whether ERROR NO RESET on line 4 page 1 of the adjustment process is 1 or more If it is 1 or more it indicates the lamp error detection was executed 8 2 2 Resetti...

Page 18: ...SEE THE ADJUSTMENT PROCEDURES R GAIN 0 WHITE BALANCE ADJUSTMENT 2 SEE THE ADJUSTMENT PROCEDURES G GAIN 0 WHITE BALANCE ADJUSTMENT 2 SEE THE ADJUSTMENT PROCEDURES B GAIN 0 WHITE BALANCE ADJUSTMENT 2 SEE THE ADJUSTMENT PROCEDURES RGB GAMMA 1 0 RGB γ COEFFICIENT SETTING NOT USED TABLE OF VARIOUS SETTINGS 9 I2C DATA 0 I2C BUS CONTROL IC DATA WRITE AND READ NOT USED I2C DATA WAIT WRITE AND READ EXECUTE...

Page 19: ...INPUT NOT USED OTHER 0775 EQUALIZER SETTING WITH OTHER INPUT THAN TV NOT USED BAND5 CNT TV 0025 EQUALIZER SETTING WITH TV INPUT NOT USED OTHER 0025 EQUALIZER SETTING WITH OTHER INPUT THAN TV NOT USED BAND5 MAX TV 0825 EQUALIZER SETTING WITH TV INPUT NOT USED OTHER 0825 EQUALIZER SETTING WITH OTHER INPUT THAN TV NOT USED Page No Item Initial Function Response precautions on servicing Value Do not c...

Page 20: ...SHARP V 100 V PICTURE QUALITY SETTING COMPOSITE S VIDEO NOT USED SECAM AV SHARP H1 200 H PICTURE QUALITY SETTING 1 COMPOSITE S VIDEO NOT USED SECAM AV SHARP H2 160 H PICTURE QUALITY SETTING 2 COMPOSITE S VIDEO NOT USED VIDEO ADJUSTMENT DVP7 PAL60 AV CONT 128 IMAGE SETTING COMPOSITE S VIDEO NOT USED PAL60 AV BRIGHT 128 BRIGHTNESS SETTING COMPOSITE S VIDEO NOT USED PAL60 AV COLOR 37 COLOR DENSITY SE...

Page 21: ...128 TINT SETTING TV NOT USED 525I SHARP V 100 V PICTURE QUALITY SETTING TV NOT USED 525I SHARP H1 160 H PICTURE QUALITY SETTING 1 TV NOT USED 525I SHARP H2 160 H PICTURE QUALITY SETTING 2 TV NOT USED 525P CONT 133 IMAGE SETTING COMPOSITE S VIDEO NOT USED 525P BRIGHT 128 BRIGHTNESS SETTING COMPOSITE S VIDEO NOT USED 525P COLOR 52 COLOR DENSITY SETTING COMPOSITE S VIDEO NOT USED 525P TINT 128 TINT S...

Page 22: ...ED AVSYNC 1 SYNC JUDGMENT THRESHOLD EXTERNAL INPUT NOT USED COMPSYNC 3 SYNC JUDGMENT THRESHOLD COLOR DIFFERENCE INPUT NOT USED EDS TEST 10 DURATION UNTIL JUDGMENT OF NO EDS TIME DATA SECONDS NOT USED TUNER SETTINGS TUNER2 AFT FARTIME 50 CHANNEL PRESET TIME ADJUSTMENT 1 NOT USED AFT NEARTIME 30 CHANNEL PRESET TIME ADJUSTMENT 2 NOT USED AFT NEARMTIME 10 CHANNEL PRESET TIME ADJUSTMENT 3 NOT USED AFT ...

Page 23: ... other keys are not acceptable With a numeric key input will change to The input position will move one digit to the right With all the 3 digits entered the password will be verified 3 The 3 digit password is now verified The password 0 2 7 provides for the public mode screen This screen comes on with whatever adjustment process settings With any other passwords the screen changes to the normal mo...

Page 24: ...c mode settings get initialized The adjustment process remains intact 4 Public Mode Menu The guidance is not displayed onscreen Setup procedure To move the cursor up and down use the cursor UP DOWN key remote controller and CH ù Ù key remote controller and set To change the settings use the cursor RIGHT LEFT key remote controller and VOL key remote controller and set To save new settings keep the ...

Page 25: ...tment process the sound volume can be set freely irrespective of this setting In line output sound volume variable the sound volume can be adjusted from 60 to 0 irrespective of pre adjusted value When the sound volume is set higher than the MAX setting by the adjusting process the sound volume control operation is prohibited for turn up and the sound volume should be turned down to MAX in this sta...

Page 26: ...rrespective of setting Selection Default Explanation Limit in Setting Exception Remarks Selection between Respond and No respond loop provide Respond All the operations by keys except the power key of the unit can be invalidated Inspection mode and hotel menu mode can be started irrespective of setting All the keys can be used in adjustment process inspection mode and hotel menu irrespective of se...

Page 27: ...ws the last memory All the input sources in the model are made selectable When the input output switchable input source is selected and the input source is set to output the setting of input output switching is changed to input at the execution of hotel menu In addition the input output switching by menu is prohibited In TV mode the channel to be set follows the last memory and the content of the ...

Page 28: ... built In AC power supply Is DC12 5V applied at to F3701 and F3702 Are F3701 and F3702 as specified Replace F3701 and F3702 Check the primary side of T701 and IC701 thru IC703 and their peripheral circuits Disconnect F3701 and F3702 Is the load side short circuited Is pin 70 of IC2001 at H Check the line in question IC2001 and its peripheral circuits Check the line in question IC801 and its periph...

Page 29: ...ages at pins 6 7 and 9 Of tuner as specified Is the output at pin 19 of tuner as specified Is the input at pin 5 of IC3402 as specified Is the output of IC3402 as specified Check the line in question Check IC3402 and its peripheral circuits Check the line in question Check the tuner and its peripheral circuits Check the power line Is the input at pin 1 of IC3402 as specified Is the output of IC340...

Page 30: ...and 72 of IC3201 as specified Check the lines from between pins 27 Rch and 28 Lch of IC3201 to pins 4 Rch and 2 Lch of IC3301 Check IC3201 and its peripheral circuits Check X3201 and its peripheral circuits Check the lines from pins 29 and 30 of IC2001 to pin 2 of IC3201 Check the line between pin 56 of IC2001 and pin 5 of IC3301 Check the following points 8V Line check IC3702 and its peripheral c...

Page 31: ...ircuits Check the line between pin 88 of IC7001 and pin 31 of IC801 Make sure the microprocessor s adjustment process menu settings are as specified No Video Color No S Video Color No Component Color No Color Check the line between pin 4 of J3401 and pin 16 of IC3406 Check the line between pin 6 of J3401 and pin 24 of IC2001 as well as the line between pin 49 of IC2001 and pin 2 of IC3406 Are the ...

Page 32: ... system 28 P72 I O SCL2 Serial clock line 2 for I2C bus 2 system EEPROM 29 P71 I O SCL1 Serial clock line 1 for I2C bus 2 system others 30 SDA1 I O SCA1 Serial data line 1 for I2C bus 2 system 31 P67 O TxD TxD at flash write 32 P66 O RxD RxD at flash write 33 P65 O SCLK Clock input at flash write 34 P64 O BUSY Busy output at flash write 35 TxD0 O MPWEL Data signal input for DVP 4 line serial MPWEL...

Page 33: ... up 70 P22 O INV_POW Separately excited inverter power control 71 P21 O VGH Panel power control 72 P20 O POWout DC DC control output 73 P17 I ADPPOW Adaptor ON OFF input 74 P16 O DACOUTCON Gradation control IC output control 75 P15 O N C 76 P14 O N C 77 P13 O N C 78 P12 O MP_DA Gradation control IC data output 79 P11 O MP_CLK Temperature sensor or gradation control IC clock output 80 P10 O DDC_RES...

Page 34: ...C2011 7 V 12V 3 3V IC703 1 8V IC802 2 5V IC7002 5 3V IC2003 F3701 2 5A F3702 2A LED_UNIT SOUND VCC MAIN_PWB HP Front Jack 3 5ø STEREO AUDIO_POWER_AMP IC3301 SP_MUTE SIF AMP SOUND_PROCESSOR IC3201 ANA_IN1 ANA_IN2 SC1_IN SC2_IN SC3_IN SC4_IN SCL SDA 3DYC IC7001 BUFFER BUFFER BUFFER BUFFER BUFFER BUFFER BUFFER MPU AUDIO IN VIDEO IN AUDIO IN OUT VIDEO IN OUT INPUT3 AUDIO IN Pb IN Pr IN SIG VCC AC IN T...

Page 35: ... C VSYNC H OUT V OUT LAMP U TYPE X5 DC IN DET IC2010 E2PROM IC2009 S DET LED_UNIT WB Pr in 21 D Y in 44 C in 31 VIDEO PANEL PROCESSOR DVP ML IC801 CK SP T CON OFL GRADIATION ICIC1101 RESET IC2006 MPCLK MPRDA MPRCS OSC INV POW L ERR RESET OPC OPC KEY CONTROL KEY CONTROL_UNIT CONTOROL DCPOWERIN DC AC INVERTER OSC INV_POW LAMP ERROR DET VGA LCD PANEL LCD_Panel MPU R C ...

Page 36: ...D 50 AC_CTRL 51 L_ERR 52 OFL1 53 INV_POW 54 OFL2 55 INV_OSC 56 GND 57 KEY1 58 KEY2 59 POW2 60 GND 1 GND 2 B3 3VA 3 B5VBU 4 B5VA 5 B3 3V1 2A 6 B5V250MA 7 B5V700MA 8 B9V500MA 9 B17V500MA 10 B35V 11 GND 12 SIGVCC 13 GND 14 SIGVCC SC3401 NA292WJ 1 GND 2 POW2 3 KEY2 4 KEY1 5 GND 6 INV_OSC 7 OFL2 8 INV_POW 9 OFL1 10 L_ERR 11 AC_CTRL 12 GND 13 SDA2 14 SDA1 15 SCL2 16 SCL1 17 GND 18 OPC 19 TSENDA 20 IREM ...

Page 37: ...2V1 2A 17 12V1 5A 18 12V1 5A 19 12V1 5A Z1938CE SC4052 KEY1 1 KEY2 2 POW2 3 INV_OSC 4 L_ERR 5 INV_POW 6 OFL1 7 B5V 8 AC_CTRL 9 GND 10 GND 11 GND 12 GND 13 GND 14 12V1 2A 15 12V1 2A 16 12V1 5A 17 12V1 5A 18 12V1 5A 19 Z1538CE SC4051 1 INV B 2 INV B 3 INV B 4 INV B 5 INV B 6 GND 7 GND 8 GND 9 GND 10 GND 11 B5V 12 OFL1 13 INV_OSC 14 INV_POW 15 L_ERR MA012WJ 1 B 2 B 3 B 4 B 5 B 6 GND 7 GND 8 GND 9 GND...

Page 38: ...ess otherwise noted CAUTION This circuit diagram is original one therefore there may be a slight difference from yours SAFETY NOTES 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDEDAS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING IMPORTANT SAFETY NOTICE PARTS MARKED WITH å ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET BE ...

Page 39: ...39 6 5 4 3 2 1 A B C D E F G H LC 20S4U S SCHEMATIC DIAGRAM Ë OPERATION Unit ...

Page 40: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 40 ËMAIN Unit 1 5 ...

Page 41: ...LC 20S4U S 41 17 16 19 18 15 14 13 12 11 10 ...

Page 42: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 42 ËMAIN Unit 2 5 ...

Page 43: ...LC 20S4U S 43 17 16 19 18 15 14 13 12 11 10 ...

Page 44: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 44 ËMAIN Unit 3 5 ...

Page 45: ...LC 20S4U S 45 17 16 19 18 15 14 13 12 11 10 ...

Page 46: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 46 ËMAIN Unit 4 5 ...

Page 47: ...LC 20S4U S 47 17 16 19 18 15 14 13 12 11 10 ...

Page 48: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 48 ËMAIN Unit 5 5 ...

Page 49: ...LC 20S4U S 49 17 16 19 18 15 14 13 12 11 10 ...

Page 50: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 50 ËANALOG Unit 1 4 ...

Page 51: ...LC 20S4U S 51 17 16 19 18 15 14 13 12 11 10 ...

Page 52: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 52 ËANALOG Unit 2 4 ...

Page 53: ...LC 20S4U S 53 17 16 19 18 15 14 13 12 11 10 ...

Page 54: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 54 ËANALOG Unit 3 4 ...

Page 55: ...LC 20S4U S 55 17 16 19 18 15 14 13 12 11 10 ...

Page 56: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 56 ËANALOG Unit 4 4 ...

Page 57: ...LC 20S4U S 57 17 16 19 18 15 14 13 12 11 10 ...

Page 58: ...58 6 5 4 3 2 1 A B C D E F G H LC 20S4U S ËR C LED Unit ...

Page 59: ...LIES 1 J4000 R4008 R4007 D4001 R4004 R4005 R4003 R4002 Q4002 Q4000 Q4001 D4000 D4002 D4004 R4001 R4000 R4006 RMC4000 C4003 D4007 D4005 C4000 IC4000 D4006 C4001 P4001 OPERATION Unit Wiring Side R C LED Unit Side A QPWBND085WJN1 R C LED Unit Chip Parts Side A QPWBND085WJN1 ...

Page 60: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 60 MAIN Unit Side A ...

Page 61: ...LC 20S4U S 61 17 16 19 18 15 14 13 12 11 10 ...

Page 62: ...IC801 C815 C816 C828 C821 P2002 C822 C823 C829 C833 C834 R876 R877 C830 C836 C837 C831 C832 C835 C839 C838 C874 C866 R811 R809 R882 R883 C865 R810 X801 C1105 C872 C1106C885 L801 R808 C886 C1104 R2061 R2063 R2077 R2065 R2066 R2060 R2062 R2015 R2064 R2059 R2072 R2073 R2057 R205 R205 R2082 C2006 C1712 C1102 C1107 IC1101 SC1203 C840 C841 R1201 R1202 C842 C843 R1203 C844 R1204 C845 R1205 C846 SC1201 C8...

Page 63: ...SC2001 R2026 R2032 C2012 C2010 R2008 C2013 C2014 R2030 R2010 R2018 R2031 R2027 C2004 R2017 Q715 D703 L702 FB701 C735 C737 FB705 C736 FB709 C749 C750 D709 FB710 Q716 SC701 FB707 D705 FB703 C748 C747 T701 FB711 D707 FB708 C743 D704 D708 C745 C746 C741 D706 R755 C742 R756 FB706 C744 R757 L706 FB702 FB704 C739 C738 C740 L703 D701 D702 Q712 Q713 L701 C1713 L1703 C1714 R1701 C1702 D1701 Q1705 L1701 LUG2...

Page 64: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 64 MAIN Unit Side B ...

Page 65: ...LC 20S4U S 65 17 16 19 18 15 14 13 12 11 10 ...

Page 66: ... 2 0 1 4 T L 2 0 1 3 R 2 0 3 6 R 2 0 1 3 T L 2 0 1 2 T L 2 0 1 1 R 2 0 1 4 C 8 8 7 T L 2 0 1 0 T L 2 0 0 9 T L 2 0 6 9 R 2 0 3 7 T L 2 0 0 8 T L 2 0 6 8 C 2 0 0 3 T L 2 0 6 4 T L 2 0 6 3 T L 2 0 6 1 R 2 0 0 9 T L 2 0 6 2 R 2 0 4 0 R 2 0 2 8 R 2 0 8 5 R 2 0 4 1 T L 2 0 0 7 C 2 0 1 1 R 2 0 2 9 R 2 0 2 2 C 2 0 0 7 R 2 0 1 6 I C 2 0 1 0 R 2 0 1 9 R 2 0 2 0 T L 2 0 0 6 R 2 0 4 7 C 2 0 2 1 T L 2 0 0 5 C...

Page 67: ... 2 5 9 T L 1 2 5 7 T L 1 2 4 1 T L 1 2 8 6 T L 1 2 5 6 T L 1 2 4 0 T L 1 2 8 1 T L 1 2 8 4 T L 1 2 6 0 F D C 2 T L 2 0 0 1 T L 1 2 5 1 T L 1 2 5 0 T L 1 2 4 9 T L 1 2 4 8 T L 1 2 4 7 T L 1 2 4 6 R 1 2 0 9 T L 1 2 4 5 T L 1 2 4 4 R 1 2 0 7 T L 1 2 3 7 T L 1 2 4 3 T L 1 2 3 6 T L 1 2 4 2 T L 1 2 3 9 R 1 2 0 8 F B 8 0 1 T L 1 2 3 8 T L 1 2 3 3 T L 1 2 3 0 T L 1 2 2 9 T L 1 2 2 8 T L 1 2 2 7 T L 1 2 2...

Page 68: ...LC 20S4U S 8 7 10 9 6 5 4 3 2 1 A B C D E F G H 68 ANALOG Unit Side A ...

Page 69: ...LC 20S4U S 69 17 16 19 18 15 14 13 12 11 10 ...

Page 70: ...3219 R3206 R3221 Q3202 Q3201 C3248 C3433 C3436 C3247 R3208 R3441 C3223 C3246 C3432 R3207 R3209 C3225 C3245 C3218 L3202 C3224 C3217 C3226 R3210 R3454 C3215 C3214 C3216 C3502 R3541 R3542 301 C3302 R3301 C3310 R3303 C3306 C3314 Q3302 Q3301 R3310 R3305 C3315 R3302 IC3301 C3313 C3303 R3311 R3304 C3311 C3211 C3212 C3210 C3209 C3304 C3316 C3312 R3307 D3302 R3314 Q3304 R3217 C3317 R3205 D3201 R3313 R3309 ...

Page 71: ...3 C7001 R7009 R7016 R7037 L7005 Q7005 Q7004 C7005 C7004 C7010 R7020 Q7006 R7017 R7014 C7013 R7019 R7018 Q7008 C7021 C7075 C7019 C7020 R7021 Q7007 SLD7003 R7025 C7008 C7022 C7011 R7024 R7023 C7023 C7015 C7016 C7017 Q7009 R7026 R7022 C7009 C7024 R7027 SLD7002 R7028 C7025 IC7001 C7014 C7012 C7026 C7027C7030 FB7007 FB7006 FB7008 C7006 C7032 C7028 R7030 IC7002 C7034 R7033 C7033 C7077 C7035 C7039 Q7010 ...

Page 72: ...uivants 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 Code Ref No Part No Description Code PRINTED WIRING BOARD ASSEMBLYS NOT REPLACEMENT ITEM DUNTKC847FE09 MAIN Unit DUNTKD084WE03 ANALOG Unit DUNTKD085WE03 R C LED Unit DUNTKD086FM03 OPERATION Unit RUNTKA124WJZZ J INVERTER Unit BH DUNTK...

Page 73: ...amic AB C812 VCKYCY1CB104KY J 0 1 16V Ceramic AB C813 VCKYCY1EB333KY J 0 033 25V Ceramic AA C814 VCKYCZ1AB104KY J 0 1 10V Ceramic AB C815 VCKYCZ1AB104KY J 0 1 10V Ceramic AB C816 VCKYCZ1AB104KY J 0 1 10V Ceramic AB C817 VCKYCY1HB104KY J 0 1 50V Ceramic AA C818 VCKYCY1CB104KY J 0 1 16V Ceramic AB C819 VCKYCY1HB104KY J 0 1 50V Ceramic AA C820 VCKYCY1CB104KY J 0 1 16V Ceramic AB C821 VCKYCZ1AB104KY J...

Page 74: ...Metal Oxide AA R754 VRS CY1JF303JY J 30k 1 16W Metal Oxide AA R755 VRS TW2HF272JY J 2 7k 1 2W Metal Oxide AA R756 VRS TW2HF272JY J 2 7k 1 2W Metal Oxide AA R757 VRS TW2HF000JY J 0 1 2W Metal Oxide AA R759 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R760 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R765 VRS CY1JF105JY J 1M 1 16W Metal Oxide AA R766 VRS CY1JF394JY J 390k 1 16W Metal Oxide AA R801 VRS CY1JF00...

Page 75: ...Y J 100 1 16W Metal Oxide AA R2039 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R2040 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R2041 VRS CY1JF512JY J 5 1k 1 16W Metal Oxide AA R2043 VRS CY1JF472JY J 4 7k 1 16W Metal Oxide AA R2044 VRS CJ1JF101JY J 100 1 16W Metal Oxide AA R2045 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R2046 VRS CY1JF680JY J 68 1 16W Metal Oxide AA R2047 VRS CY1JF103JY J 10k 1 16W Met...

Page 76: ...04 VCEASX0JN107MY J 100 6 3V Electrolytic AC C3206 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3209 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3210 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3211 VCKYCY1EB223KY J 0 022 25V Ceramic AA C3212 VCKYCY1EB223KY J 0 022 25V Ceramic AA C3214 VCEASX1CN106MY J 10 16V Electrolytic AC C3215 VCEASX1CN107MY J 100 16V Electrolytic AC C3216 VCKYCY1EF104ZY J 0 1 25V Ceramic AA ...

Page 77: ...S CY1JF123JY J 12k 1 16W Metal Oxide AA R3310 VRS CY1JF392JY J 3 9k 1 16W Metal Oxide AA R3311 VRS CY1JF392JY J 3 9k 1 16W Metal Oxide AA R3312 VRS CY1JF183JY J 18k 1 16W Metal Oxide AA R3313 VRS CY1JF822JY J 8 2k 1 16W Metal Oxide AA R3314 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R3315 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R3401 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R3402 VRS TQ2BD750JY J ...

Page 78: ...tal Oxide AA R7032 VRS CY1JF471JY J 470 1 16W Metal Oxide AA R7033 VRS CJ1JF101JY J 100 1 16W Metal Oxide AA R7036 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R7037 VRS CY1JF000JY J 0 1 16W Metal Oxide AA MISCELLANEOUS PARTS å F3701 QFS ZA005WJZZ J Fuse 2 5A 250V AC å F3702 QFS ZA004WJZZ J Fuse 2 0A 250V AD FB3201 RBLN 0035TAZZY J Ferrite Bead AB FB7005 RBLN 0061TAZZY J Ferrite Bead AD FB7006 RBLN 006...

Page 79: ...2JY J 4 7k 1 8W Carbon AA R4054 VRD RA2BE823JY J 82k 1 8W Carbon AA R4055 VRD RA2BE274JY J 270k 1 8W Carbon AA SWITCH SW4050 QSW K0095CEZZ J CH Ù AB SW4051 QSW K0095CEZZ J CH ù AB SW4052 QSW K0095CEZZ J INPUT AB SW4053 QSW K0095CEZZ J POWER AB SW4054 QSW K0095CEZZ J MENU AB SW4055 QSW K0095CEZZ J VOL AB SW4056 QSW K0095CEZZ J VOL AB MISCELLANEOUS PARTS J4051 QJAKCA010WJZZ J POWER INPUT DC 12V AF S...

Page 80: ...ailable Back Shield Ass y 4 2 1 PSLDMA705WJFW J Back Shield AX 4 2 2 LHLDZA412WJKZ J Lamp Holder Bottom L AG 4 2 3 LHLDZA413WJKZ J Lamp Holder Bottom R AF 4 2 4 PMLT A150WJZZ J Light Shielding Spacer x2 AD 4 2 5 PSHEPA226WJZZ J Reflection Sheet AN 4 2 6 TCAUZA031WJZZ J Caution Label AB å 4 3 KLMP A046WJZZ J Lamp Unit x5 AV 4 4 LHLDZA414WJKZ J Lamp Holder Top R AL 4 5 LHLDZA415WJKZ J Lamp Holder To...

Page 81: ... 17 18 29 28 12 21 28 23 23 11 24 25 10 5 6 3 27 22 13 2 16 19 4 2 4 3 4 5 4 4 4 9 4 6 4 7 4 8 4 1 30 R C LED PWB Inverter PWB Analog PWB Main PWB Operation PWB 4 2 4 4 2 4 4 2 1 4 2 5 4 2 3 4 2 2 4 2 7 4 11 4 10 2 8 2 5 2 5 2 10 2 1 2 9 2 6 2 7 2 4 2 3 2 2 2 11 3 6 3 8 3 3 3 5 3 4 3 7 3 7 3 2 3 4 3 1 1 9 9 20 15 20 1 2 1 3 1 3 1 6 1 5 1 7 1 1 1 8 1 9 1 4 1 10 ...

Page 82: ...e Battery x2 S1 SPAKCB853WJZZ Packing Case S2 SPAKFA791WJZZ Packing Case for Accessory S3 SPAKFA793WJZZ Packing Material Partition S4 SPAKPA482WJZZ Wrapping Paper S5 SPAKXA767WJZZ Buffer Material S6 SSAKA0101GJZZ Polyethylene Bag S7 TLABKA009WJZZ No Label SERVICE JIGS USE FOR SERVICING QCNW A553WJZZ J Extension Cable 30 pin BA SC1202 LCD QCNW A555WJZZ J Extension Cable 20 pin AU SC1203 LCD QCNW A5...

Page 83: ...83 LC 20S4U S PACKING OF THE SET S1 S7 S5 S5 S5 S4 S5 S2 S3 X1 X2 X3 X4 X5 X6 X7 S6 ...

Page 84: ...ansmitted in 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 TQ1892 S Apr 2005 Printed in Japan MI KG Design and Production Information Design Japan Production SEMEX ...

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