Sharp Aquos LC 20B2UB Service Manual Download

Page: 66 / 76

Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

LC-20B2UA
LC-20B2UB

R1203

VRS-CF1JP220JY

J 22

1/16W

Metal Oxide

R1204

VRS-CF1JP220JY

J 22

1/16W

Metal Oxide

R1208

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1209

VRS-CA1JF220J

J 22

1/16W

Metal Oxide

R1210

VRS-CY1JF220J

J 22

1/16W

Metal Oxide

R1211

VRS-CY1JF221J

J 220 1/16W

Metal Oxide

R1212

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1214

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R1217

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1218

VRS-CA1JF101J

J 100 1/16W

Metal Oxide

R1220

VRS-CY1JF472J

J 4.7k 1/16W

Metal Oxide

R1221

VRS-CB1JF332J

J 3.3k 1/16W

Metal Oxide

R1222

VRS-CB1JF000J

J 0

1/16W

Metal Oxide

R1223

VRS-CA1JF101J

J 100 1/16W

Metal Oxide

R1225

VRS-CY1JF472J

J 4.7k 1/16W

Metal Oxide

R1226

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1228

VRS-TX2HF330J

J 33

1/2W

Metal Oxide

R1230

VRS-TV1JD562J

J 5.6k 1/16W

Metal Oxide

R1231

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1232

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1233

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1234

VRS-CY1JF472J

J 4.7k 1/16W

Metal Oxide

R1235

VRS-CB1JF473J

J 47k 1/16W

Metal Oxide

R1236

VRS-CB1JF473J

J 47k 1/16W

Metal Oxide

R1237

VRS-TX2HF472J

J 4.7k 1/2W

Metal Oxide

R1238

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1240

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1243

VRS-CY1JF1R0J

J 1

1/16W

Metal Oxide

R1245

VRS-CY1JF272J

J 2.7k 1/16W

Metal Oxide

R1246

VRS-CY1JF272J

J 2.7k 1/16W

Metal Oxide

R1247

VRS-CY1JF682J

J 6.8k 1/16W

Metal Oxide

R1248

VRS-CY1JF562J

J 5.6k 1/16W

Metal Oxide

R1249

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R1250

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1251

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1252

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1260

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R2001

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R2002

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2007

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R2009

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R2010

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2011

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R2012

VRS-CA1JF103J

J 10k 1/16W

Metal Oxide

R2013

VRS-CA1JF223J

J 22k 1/16W

Metal Oxide

R2014

VRS-CA1JF101J

J 100 1/16W

Metal Oxide

R2015

VRS-CB1JF331J

J 330 1/16W

Metal Oxide

R2016

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R2017

VRS-CA1JF102J

J 1k

1/16W

Metal Oxide

R2018

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R2019

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R2020

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R2021

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R2022

VRS-CA1JF101J

J 100 1/16W

Metal Oxide

R2029

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R2030

VRS-CA1JF333J

J 33k 1/16W

Metal Oxide

R2033

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R2041

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2042

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2043

VRS-CB1JF101J

J 100 1/16W

Metal Oxide

R2044

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R2045

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R2052

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2053

VRS-CA1JF101J

J 100 1/16W

Metal Oxide

R2055

VRS-CA1JF223J

J 22k 1/16W

Metal Oxide

R2056

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2057

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R2058

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R2060

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R2061

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R2067

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R2068

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R7002

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7003

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7004

VRS-CY1JF182J

J 1.8k 1/16W

Metal Oxide

R7005

VRS-CY1JF182J

J 1.8k 1/16W

Metal Oxide

R7006

VRS-CY1JF472J

J 4.7k 1/16W

Metal Oxide

R7007

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7008

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7009

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7010

VRS-CY1JF223J

J 22k 1/16W

Metal Oxide

R7011

VRS-CY1JF224J

J 220k 1/16W

Metal Oxide

R7012

VRS-CY1JF221J

J 220 1/16W

Metal Oxide

R7013

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7014

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7015

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R7016

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7017

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7018

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R7019

VRS-CY1JF561J

J 560 1/16W

Metal Oxide

R7020

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R7021

VRS-CY1JF132J

J 1.3k 1/16W

Metal Oxide

R7022

VRS-CY1JF682J

J 6.8k 1/16W

Metal Oxide

R7023

VRS-CF1JP101JY

J 100 1/16W

Metal Oxide

R7024

VRS-CF1JP101JY

J 100 1/16W

Metal Oxide

R7025

VRS-CF1JP101JY

J 100 1/16W

Metal Oxide

R7029

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R7030

VRS-CY1JF122J

J 1.2k 1/16W

Metal Oxide

R7031

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7032

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7033

VRS-CY1JF100J

J 10

1/16W

Metal Oxide

R7034

VRS-CY1JF471J

J 470 1/16W

Metal Oxide

R7035

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R7036

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7037

VRS-CY1JF152J

J 1.5k 1/16W

Metal Oxide

R7038

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7039

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7040

VRS-CY1JF911J

J 910 1/16W

Metal Oxide

R7041

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7042

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7043

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R7044

VRS-CY1JF473J

J 47k 1/16W

Metal Oxide

R7045

VRS-CY1JF473J

J 47k 1/16W

Metal Oxide

R7046

VRS-CY1JF182J

J 1.8k 1/16W

Metal Oxide

R7047

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R7048

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7049

VRS-CY1JF333J

J 33k 1/16W

Metal Oxide

R7050

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R7051

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R7053

VRS-CB1JF104J

J 100k 1/16W

Metal Oxide

R7103

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7104

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7106

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R7110

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R7112

VRS-TX2HF2R2J

J 2.2

1/2W

Metal Oxide

R7113

VRS-CE3AF120JY

J 12

Metal Oxide

R7114

VRS-CE3AF100JY

J 10

Metal Oxide

R7201

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R7202

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R7203

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R7701

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R7702

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R7703

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R7704

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R7705

VRS-CE3AF4R7JY

J 4.7

Metal Oxide

MISCELLANEOUS PARTS

FB801

RBLN-0090CEZZ

J Ferrite Bead

FB802

RBLN-0090CEZZ

J Ferrite Bead

FB1201 RBLN-0090CEZZ

J Ferrite Bead

FB1202 RBLN-0006TAZZ

J Ferrite Bead

FB1203 RBLN-0076TAZZ

J Ferrite Bead

FB7001 RBLN-0061TAZZ

J Ferrite Bead

FB7002 RBLN-0061TAZZ

J Ferrite Bead

FB7003 RBLN-0061TAZZ

J Ferrite Bead

FB7101 RBLN-0059CEZZ

J Ferrite Bead

DUNTKA670FE12
DIGITAL UNIT (Continued)

Summary of Contents for Aquos LC 20B2UB

Page 1: ...42 Page Page Ë INVERTER A UNIT 46 Ë INVERTER B UNIT 47 PRINTED WIRING BOARD ASSEMBLIES 48 PARTS LIST Ë ELECTRICAL PARTS 62 Ë DIGITAL UNIT 62 Ë ANALOG UNIT 67 Ë CONTROL UNIT 70 Ë RC LED UNIT 70 Ë INVERTER A UNIT 70 Ë INVERTER B UNIT 71 Ë CABINET AND MECHANICAL PARTS 72 Ë ACCESSORIES PARTS 74 Ë PACKING PARTS 74 PACKING OF THE SET 75 SHARP CORPORATION This document has been published to be used for a...

Page 2: ...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 and check t...

Page 3: ...manuel peut provoquer des électrocutions incendies 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 ...

Page 4: ... C which is higher than the conventional lead solder by 40 C and as it has poor solder wettabillty 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 excoeded remove the bit from the PWB as soon as you conurm the steady soldering condition Lead free solder c...

Page 5: ... 2 pcs AV1 AV IN1 S VIDEO IN AV2 AV IN2 AV OUT Terminals COMPONENT COMPONENT IN AUDIO IN Antenna F Type Headphone Mini jack for stereo 3 5 ø OSD language English French Spanish Power Consumption AC 65 W with AC Adapter DC 56 W DC13V Environmental Conditions 0 C 40 C Power supply DC 13 V AC 110 240 V 50 60 Hz Weight 18 5 lbs 8 4 kg w o accessories Accessories Remote control Batteries Antenna cable ...

Page 6: ...sible To change the vertical angle of the LCD TV set tilt the screen up to 5 degrees forward or 10 degrees backward The TV set can also be rotated 50 degrees horizontally Please adjust the angle so that the TV set can be watched most comfortably POWER indicator A green indicator lights when the power is on and a red indicator lights when in the standby mode the indicator will not light when the ma...

Page 7: ...the cover into the cabinet and press on the upper part of the back cover until the tab locks in place with a click Removing the Back Cover 1 4 7 MTS 2 5 8 0 3 6 9 100 POWER DISPLAY SLEEP BRIGHT MENU MUTE TV VIDEO CH VOL FLASHBACK REMOTE CONTROL MENU Cursor control TV VIDEO POWER DISPLAY 1 SLEEP MUTE VOL MTS 3 BRIGHT FLASHBACK 2 CH Channel Select 1 Displays the receiving chan nel for 10 seconds 2 R...

Page 8: ...3 14 29 32 379 4 7 32 107 3 2 25 64 60 8 9 1 32 229 4 2 55 64 72 6 24 51 64 630 18 41 64 473 5 18 29 64 468 8 15 1 64 381 5 11 27 32 301 VIDEO S VIDEO VIDEO AUDIO L Y PB PR R AUDIO L R AV IN2 OUT COMPONENT ANT H E A D PHONE POWER INPUT DC13V AUDIO L R AV IN1 ...

Page 9: ... 14 pcs and detach the cabinet 3 XBBSF30P06000 3 XEBSF40P16000 4 Remove the reinforcement angle fixing screws 4 pcs 5 Detach the connector from each PWB Rear Cabinet Table stand Back cover Back cover 1 1 2 3 3 3 3 3 3 3 3 ANALOG PWB INVERTER A PWB INVERTER B PWB DIGITAL PWB RC LED PWB CONTROL PWB 4 Reinforcement angle 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

Page 10: ... inverter B PWB fixing screws 1 pc 9 Detach the chassis frame cover 10 Remove the analog PWB fixing screws 3 pcs 11 Remove the RC LED PWB fixing screws 2 pcs 12 Remove the control PWB fixing screws 2pcs 6 10 7 8 INBERTER A PWB DIGITAL PWB Chassis frame Chassis frame cover ANALOG PWB INBERTER B PWB CONTROL PWB 12 11 9 RC LED PWB ...

Page 11: ... reflection deflection prism diffusion ITO sheets and diffusion plate 17 Remove the lamp holder fixing screws 6 pcs 18 Detach the lamp set A B 19 Remove the reflection plate fixing screws 6 pcs Reflection plate PMiR 0296CEZZ Lamp set A KLMP 0124CEZZ Lamp set B KLMP 0125CEZZ Lamp holder LHLDZ2176CEZZ Shielding plate CSLDM4685CE02 Lamp holder LHLDZ2176CEZZ ITO earth angle MSPRP1220CEFW Diffusion pla...

Page 12: ...Short circuit TP2001 to GND and turn on the power Or short circuit TP2002 to GND and turn on the power Or holding down the TV VIDEO key and MENU key turn on the main power and simultaneously press the inspection process CH key and VOL key to change the mode to the adjustment mode Description The manual adjustment or adjustment through communication with the automatic machine is performed 3 Shippin...

Page 13: ...ttings on page 2 of adjustment process mode to achieve an optimum white balance Go to the adjustment mode and check the following settings V176 130 V21 45 1 Adjust the B Adj value to 5 0 0 02V with R3760 Make exact adjustment of the 5 00V level be cause it will be the reference for all the other supply voltages Be sure to make this adjustment together with the main PWB digital PWB During the adjus...

Page 14: ... Left Normal AV2 IN OUT In Closed Caption Mode OFF Data CH1 V Chip block MPAA None TV Guideline None Block Content All Unblock Status Off Input Secret No Clear 7 E2 PROM data write 1 Call up the adjustment process menu and get Page 6 displayed onscreen 2 Enter A40000002681 for the I2C DATA item in Line 1 3 Move the cursor to the I2C DATA item in Line 2 and carry out SEND with the right cursor key ...

Page 15: ... 2 1 Getting the test pattern displayed Put the screen in AV1 AV2 or COMPONENT but keep out any signal Call the adjustment process mode select G A TEST PATTERN in the 13th line of page 16 turn on the setting and the following test pattern shows up 2 2 Test pattern The following test pattern appears Note When the IC801 and IC1201 test pattern display commands are both turned on at the same time the...

Page 16: ...lect DAC2 chip select D terminal connection detect D terminal control line I2 C bus open closed select input I2 C bus serial clock line 2 I2 C bus serial clock line 1 I2 C bus serial data line 1 I2 C bus serial data line 2 R signal output G signal output B signal output Sub microprocessor data output Sub microprocessor data input Sub microprocessor clock input I2 C bus open closed output No signal...

Page 17: ... setting TV NTSC TV PAL M CONT 51 Video contrast setting TV PAL M TV PAL N CONT 51 Video contrast setting TV PAL N AV N358 CONTRAST 49 Video contrast setting Composite S Video AV PAL CONTRAST 49 Video contrast setting Composite S Video AV SECAM CONTRAST 49 Video contrast setting Composite S Video AV PAL M CONTRAST 49 Video contrast setting Composite S Video AV PAL N CONTRAST 49 Video contrast sett...

Page 18: ...DVD PAL BRIGHTNESS 68 Brightness setting component DVD PAL CONTRAST 26 Video setting component DVD PAL P FILTER 1 Peaking filter setting component DVD PAL H PEAKING 4 Picture quality setting component DVD PAL BRIGHT2 8 Brightness setting 2 component DVD PAL CONTRAST2 48 Video setting 2 component Video adjustments component 9 N358 TV COLOR 2500 Color density setting TV N358 AV COLOR 2500 Color dens...

Page 19: ...ing TV composite S video PAL M TV H PEAKING 4 Picture quality setting TV PAL M AV H PEAKING 4 Picture quality setting composite S video PAL M AVO START 152 Horizontal position setting PAL M SFIF 0 Horizontal position setting PAL M SCINC1 1623 Roundness setting PAL M TV LDLY 0 Y C phase setting TV PAL M AV LDLY 0 Y C phase setting composite S video 14 PAL N TV COLOR 2500 Color density setting TV PA...

Page 20: ... clock setting G A TEST PATERN OFF Gradation test pattern display LCD controller IC test pattern Search AFT reference settings LCD controller settings NTSC 17 PAL 01 8E Initial settings PAL 02 C8 Various settings PAL 03 81 RCUTOFF PAL 04 00 GCUTOFF PAL 05 81 BCUTOFF PAL 06 14 Horizontal display position PAL 07 18 Vertical display position PAL 08 O2 UV data phase delay PAL 09 4C Panel clock adjustm...

Page 21: ...S 65 Gradation power reference voltage V0 0 Gradation power reference voltage V0 BIAS 80 Gradation power reference voltage VGL ADJ 27 VGL bias setting VGL COM 215 VGL COM setting COM 179 COM amplitude setting G A READDATA 00 00 Controller read data setting G A READDATA WAIT Read execution Gradation COM settings 20 3D Y C 2 3D ON OFF setting 3D Y C DATA 000000 3D YC data write read 3D Y C DATA WAIT...

Page 22: ...owing points 1 Backlight lamp 2 Inverter circuit inverter PWB and main PWB F6700 F6701 F6702 F6703 F6704 D6700 D6701 Q6700 Q6701 Q6702 Q6703 Q6704 Q6705 Q6706 Q6707 Q6708 Q6709 Q6710 Q6711 Q6712 Q6713 Q6714 and their peripheral parts as well as pin 34 of IC1201 3 Lamp error detection circuit terminal PWB and main PWB D3600 D3601 D3602 D3603 D3604 D3605 D3606 D3607 Q3600 Q3601 Q3602 Q3603 Q3604 and...

Page 23: ...01 as specified Check IC7202 and its peripheral parts Yes No Are input and output of IC7202 as specified No Are pin 67 of IC2001 at H No S VIDEO output Yes Yes Are pins 2 and 12 of IC7101 60th at H No Are inputs at Pins 71 and 72 of IC801 as specified Check SC3405 SY line SC line and peripheral parts No COMPONENT output No Is input at Pins 4 5 6 and 75 of IC801 as specified Check J3404 DVD Y line ...

Page 24: ...condary side load of T3701 Fluorescent lamp Yes No Does F6700 F6701 F6702 F6703 and F6704 function Yes No Is Pin 34 of IC1201 at H Yes No Are the oscillation waveforms at the primary side of T6700 T6702 T6704 T6706 and T6708 as specified Yes Replace F6700 F6701 F6702 F6703 and F6704 No Is input at Pin 71 of IC801 as specified Check SC3405 SC line and peripheral parts Yes Check the line IC1201 and ...

Page 25: ...rts Check the line in question IC3301 and its peripheral parts Yes Check the speakers and their peripheral parts No sound from headphone Yes No Is pin 55 of IC2001 at L Check the headphone and its peripheral parts Check Q2007 J3500 harness and their peripheral parts No sound from output line Yes No Is pin 58 of IC2001 at L No Are outputs at pins 14 and 15 of IC3501 as specified Yes Check the line ...

Page 26: ...26 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT DIGITAL Unit CONTROL Unit RC LED Unit ANALOG Unit ...

Page 27: ...27 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 INVERTER B Unit INVERTER A Unit ...

Page 28: ... AUDIO DECODER MSP IC3304 AUDIO FILTER IC3301 IC3302 IC3303 AUDIO AMPLIFIER IC3305 I2C COLD 5V VIDEO SWITCH IC402 SYNC SEPARATER Q401 IC401 TV V Y PB PR V1 SY SC AUDIO IN OUT SWITCH IC3501 Q3500 DC DC T3701 IC3701 Q3700 Q3701 Q3702 38V 9V 5V 8V 20V REGULATOR IC3702 31V Q3707 29V Q3704 8V Q3706 VIDEO IN OUT SWITCH Q3501 Q3505 V2 TV V V1 V2 V2 VO VOUT CVIN CSYNC L_ER SIF AMP Q3201 Q3202 L2 R2 INVERT...

Page 29: ... Q1102 Q1108 Q1109 I2C 3 WIRE CK VD HD OSD RGB DIGITAL UNIT V1SY V1SC CONTROL KEYS POWER SWITCH CONTROL UNIT R C RECEIVER RMC4002 RC LED UNIT LED D4014 D4015 BUS SWITCH IC2003 AV1 V CVIN CSYNC L_ERR IREMI POWOUT TIMED KEY1 KEY2 PSWIN LCD POWER TIMING IC1116 Q1103 Q1104 Q1105 INVERTER Q6709 Q6710 T6706 T6707 Q6712 Q6713 T6708 T6709 ERTER B UNIT 3D Y C SEPARATOR IC7001 IC7002 REGULATOR IC7102 IC7701...

Page 30: ...ng CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF 2 All capacitors are 50V unless otherwise noted 3 All capacitors are Ceramic type unless otherwise noted ML Mylar TA Tantalum PF Polypro Film ST Styrol CAUTION This circuit diagram is original one therefore there may be a slight difference from yours IMPORTANT SAFETY NOTICE PARTS MARKED WITH å ARE IMPORTANT FOR MAINTAINING THE SA...

Page 31: ...31 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM ËCONTROL and RC LED Unit ...

Page 32: ...32 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 1 5 ...

Page 33: ...33 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 34: ...34 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 2 5 ...

Page 35: ...35 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 36: ...36 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 3 5 ...

Page 37: ...37 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 38: ...38 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 4 5 ...

Page 39: ...39 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 40: ...40 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë DIGITAL Unit 5 5 ...

Page 41: ...41 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 42: ...42 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 1 2 ...

Page 43: ...43 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 44: ...44 LC 20B2UA LC 20B2UB 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë ANALOG Unit 2 2 ...

Page 45: ...45 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 ...

Page 46: ...46 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...

Page 47: ...47 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...

Page 48: ...48 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES DIGITAL Unit Side A CONTROL Unit Side A ...

Page 49: ...49 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H DIGITAL Unit Side B CONTROL Unit Side B ...

Page 50: ...50 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H INVERTER A Unit Side A INVERTER B Unit Side A RC LED Unit Side A ...

Page 51: ...51 LC 20B2UA LC 20B2UB 6 5 4 3 2 1 A B C D E F G H ANALOG Unit Side A ...

Page 52: ...1001 R1171 R1172 R1170 C1149 D1108 Q1103 R1010 R1169 R1029 R7019 R7020 C7033 R7030 R7022 C7029 C7030 FL7002 R7016 R7021 C7027 FL7001 C7113 R7012 R7112 C7031 FL7003 C7015 C7036 C7053 R7051 R7052 C7046 R7025 C7701 D7701 C7047 C7054 C7048 FB7003 FB7004 FL7004 C2020 R422 C7122 C7205 C7204 R7203 R417 R418 IC7201 L401 C412 C413 Q403 R425 C7203 IC7202 C411 R416 R414 R7204 C7201 R423 FL401 C7202 IC402 R42...

Page 53: ... R1238 R917 SC901 R916 R918 D1106 Q1107 C1129 C1121 R1119 C1118 C1117 C834 R1124 C2007 C826 IC1109 L805 P2001 C1152 R1144 R1143 C838 C706 C1156 R1142 R1141 8 0 C2005 R2006 IC2001 X2002 R2040 R2041 R2029 R2056 R2011 R2054 R2061 R2031 R2028 R2063 R2002 R2051 C2023 R2015 C909 R2032 C901 R901 C910 C902 C809 L804 R1243 C1231 C801 C835 C1234 C1227 C821 IC1208 C1230 R1258 R1257 R1201 R1226 SC1203 FB1202 ...

Page 54: ...03 R802 R801 C802 C806 C805 TP802 TP801 R810 IC801 R813 C822 C827 C830 C837 C831 R804 R819 C808 C825 C828 C824 C836 C832 R814 C823 C807 FB802 C811 R808 R809 R807 R1217 C1203 R1220 C1201 L802 L803 L801 R1233 R1221 R1234 R811 IC1206 R1255 R1225 C1223 C1224 C1204 R1254 IC1207 R1256 C1233 Q1201 D1213 R834 R833 R832 D1208 R838 R831 C840 C820 C819 C841 R815 C817 C816 C815 C814 R837 C812 C810 R812 C803 R...

Page 55: ...37 C7041 C7014 C7013 L7002 C7012 Q7008 Q7007 R7035 Q7002 R7006 R7008 R7034 C7038 C7037 R7036 R7046 R7009 Q7004 C7028 R7017 R7018 R7013 C7112 C7026 R7015 C7111 R7011 Q7005 R7014 R7033 R7032 R7031 C7050 IC7003 Q7006 R1166 R1178 R1179 R1177 R1174 R1034 R1027 IC1111 C1157 R1005 R1003 C1150 R1002 C1145 R1155 R1156 R1026 IC1116 R1025 R1134 R1033 IC1101 R1228 R1031 IC702 D1201 Q1109 Q1108 C1153 C1116 R11...

Page 56: ... R3206 Q3202 C3352 P3702 C3750 C3514 R3534 SC3403 W2 C3381 L3302 C3330 R3353 R3354 C3384 R3372 C3383 R3384 C3358 IC3304 X3301 R3357 C3357 C3356 C3355 C3354 C3380 C3351 FB3302 C3373 R3356 L3301 C3348 C3346 C3345 C3344 C3343 C3341 C3390 C3342 R3434 C3347 C3349 R3368 C3350 C3734 R3737 D3709 R3734 R3735 C3741 IC3702 R3736 C3733 R3741 Q3706 C3735 R3749 R3742 R3733 C3730 C3738 R3752 R3745 R3743 R3739 R3...

Page 57: ...C3303 R3332 R3325 R3506 R3510 R3330 C3319 C3315 R3513 R3507 C3505 C3377 R3375 R3376 C3375 C3374 C3310 IC3302 C3314 R3323 R3317 R3318 R3324 R3320 C3312 R3314 C3308 R3382 R3302 C3306 R3312 C3305 R3310 R3311 C3304 IC3301 R3345 R3346 R3388 R3399 R3729 C3386 R3389 C3388 C3737 R3730 C3360 C3363 C3366 R3362 Q3304 C3361 R3365 C3362 R3373 R3363 C3364 Q3305 C3365 R3366 R3359 Q3303 C3367 R3364 IC3305 C3368 C...

Page 58: ...s Side FH6704 L6704 Q6706 FH6705 R6710 Q6707 R6708 C6713 Q6708 R6711 C6712 R6709 R6722 R6707 R6705 P6705 D6700 R6706 C6708 R6721 R6720 Q6705 C6714 R6704 FH6702 C6709 FH6703 FH6701 FH6700 L6702 C6707 Q6703 C6706 C6726 Q6704 C6705 C6727 C6711 C6710 T6705 T6704 T6703 T6702 P6701 P6702 FDC4 ...

Page 59: ...59 LC 20B2UA LC 20B2UB 17 16 19 18 15 14 13 12 11 10 C6704 T6702 R6703 R6702 C6703 Q6702 R6701 Q6701 R6700 Q6700 C6702 C6701 L6700 C6725 C6700 T6701 T6700 FDC1 P6700 P6701 ...

Page 60: ...hip Parts Side R6719 R6718 C6723 Q6714 FH6708 C6724 FH6709 C6719 R6724 R6723 D6701 P6706 FH6707 FH6706 R6715 R6714 C6718 L6706 Q6711 C6717 R6712 R6713 Q6709 Q6710 C6740 C6715 C6716 C6722 R6716 R6717 Q6712 C6720 C6741 C6721 T6709 T6708 Q6713 L6708 T6707 T6706 P6703 P6704 ...

Page 61: ...OL Unit Chip Parts Side RC LED Unit Chip Parts Side P4005 D4013 RMC4002 R4029 R4024 D4014 Q4003 R4030 R4031 D4015 Q4004 R4032 R4023 Q4007 C4018 R4021 D4012 D4022 SW4008 SW4007 R4006 R4005 SW4002 SW4003 R4011 R4012 SW4004 SW4006 D4008 D4009 D4010 S4701 P4004 ...

Page 62: ...ont identifi élees dans ce manuel les pi eces élelectriques qui pr élesentent ces particularit éles sont rep éler élee par la marque å et sont hachur élees dans les listes de pi eces et dans les diagrammes sch élematiques La substitution d une pi ece de rechange par une autre qui ne pr éLesente pas les m éoemes caract éLeristiques de s élecurit éle que la pi ece recommand élee parl usine et dans c...

Page 63: ...6 3V Electrolytic AD C711 VCKYCY1EF104Z J 0 1 25V Ceramic AA C801 VCEAPF1CN106M J 10 16V Electrolytic AD C802 VCKYCY1EF104Z J 0 1 25V Ceramic AA C803 VCCCCY1HH7R0D J 7p 50V Ceramic AA C804 VCCCCY1HH7R0D J 7p 50V Ceramic AA C805 RC KZ1025CEZZ J 1 10V Ceramic AB C806 RC KZ1025CEZZ J 1 10V Ceramic AB C807 VCKYCY1HB331K J 330p 50V Ceramic AA C808 VCKYCY1HB331K J 330p 50V Ceramic AA C809 VCEAPF1CN107M ...

Page 64: ...ramic AA C7009 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7010 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7012 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7013 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7014 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7015 VCEAPF1CN106M J 10 16V Electrolytic AD C7016 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7017 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7018 VCKYCY1EF104Z J 0 1 25V Ceramic AA C7019 VCKYCY1EF104...

Page 65: ...al Oxide AA R1108 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R1109 VRS CY1JF333J J 33k 1 16W Metal Oxide AA R1110 VRS CY1JF104J J 100k 1 16W Metal Oxide AA R1111 VRS CY1JF683J J 68k 1 16W Metal Oxide AA R1112 VRS CY1JF123F J 12k 1 16W Metal Oxide AA R1114 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R1115 VRS CY1JF102J J 1k 1 16W Metal Oxide AA R1116 VRS CY1JF102J J 1k 1 16W Metal Oxide AA R1117 VRS CY1...

Page 66: ...ide AA R2061 VRS CY1JF101J J 100 1 16W Metal Oxide AA R2067 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R2068 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R7002 VRS CY1JF471J J 470 1 16W Metal Oxide AA R7003 VRS CY1JF471J J 470 1 16W Metal Oxide AA R7004 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R7005 VRS CY1JF182J J 1 8k 1 16W Metal Oxide AA R7006 VRS CY1JF472J J 4 7k 1 16W Metal Oxide AA R7007 VRS CY1J...

Page 67: ... 1 J Diode AB D3604 VHDiMN10 1 J Diode AB D3605 VHDiMN10 1 J Diode AB D3606 VHDiMN10 1 J Diode AB D3607 VHDiMN10 1 J Diode AB D3700 VHDDAN222 1 J Diode AA D3703 VHDSFPB56 2E J Diode AC D3704 VHD1SS250 1E J Diode AB D3705 VHD1SS250 1E J Diode AB D3706 VHDSFPB74 2E J Diode AD D3707 VHDSFPB74 2E J Diode AD D3708 VHDDAN222 1 J Diode AA D3709 VHDDAN222 1 J Diode AA D3711 VHDDAN222 1 J Diode AA PACKAGED...

Page 68: ...amic AA C3712 VCAAPF1CJ826MY J 82 16V Electrolytic AG C3713 VCKYCY1HB562K J 5600p 50V Ceramic AA C3714 VCEASH1HN476MY J 47 50V Electrolytic AD C3715 VCKYTV1HF104Z J 0 1 50V Ceramic AA C3716 VCEASH1EN227MY J 220 25V Electrolytic AE C3717 VCKYTV1CF105Z J 1 16V Ceramic AB C3718 VCEASH1CN337MY J 330 16V Electrolytic AE C3719 VCKYCY1EF104Z J 0 1 25V Ceramic AA C3720 VCCCCY1HH181J J 180p 50V Ceramic AA ...

Page 69: ...VRS CB1JF222J J 2 2k 1 16W Metal Oxide AC R3602 VRS CA1JF222J J 2 2k 1 16W Metal Oxide AA R3604 VRS CB1JF824JY J 820k 1 16W Metal Oxide AC R3605 VRS CB1JF824JY J 820k 1 16W Metal Oxide AC R3606 VRS CA1JF824JY J 820k 1 16W Metal Oxide AB R3607 VRS CB1JF562J J 5 6k 1 16W Metal Oxide AC R3608 VRS CB1JF562J J 5 6k 1 16W Metal Oxide AC R3609 VRS CA1JF562J J 5 6k 1 16W Metal Oxide AA R3610 VRS CY1JF563J...

Page 70: ...2 VS2SA1530AR 1 J 2SA1530AR AB Q6703 VSFZT1053A 1 J FZT1053A AG Q6704 VSFZT1053A 1 J FZT1053A AG Q6705 VS2SA1530AR 1 J 2SA1530AR AB Q6706 VSFZT1053A 1 J FZT1053A AG Q6707 VSFZT1053A 1 J FZT1053A AG Q6708 VS2SA1530AR 1 J 2SA1530AR AB DIODE D6700 VHDiMN10 1 J Diode AB COILS L6700 RCiLP0420CEZZY J Coil AF L6702 RCiLP0420CEZZY J Coil AF L6704 RCiLP0420CEZZY J Coil AF TRANSFORMERS å T6700 RTRNZ0806CEZZ...

Page 71: ... J 0 033 16V Ceramic AA C6723 VCKYCY1CB333K J 0 033 16V Ceramic AA C6724 VCEA4A1CN108M J 1000 16V Electrolytic AD C6740 RC FZA043WJZZ J 0 14 250V Film AE C6741 RC FZA043WJZZ J 0 14 250V Film AE RESISTORS R6712 VRS TW2ED332J J 3 3k 1 4W Metal Oxide AB R6713 VRS TW2ED332J J 3 3k 1 4W Metal Oxide AB R6714 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R6715 VRS CY1JF333J J 33k 1 16W Metal Oxide AA R6716 VR...

Page 72: ...1 2 CONTROL UNIT RC LED UNIT D E 4 4 2 4 1 4 4 4 5 25 10 25 1 3 1 5 1 9 1 3 1 5 1 6 1 9 1 8 1 7 1 3 1 4 5 4 5 9 5 2 5 3 1 7 1 4 1 12 1 10 1 12 1 11 5 19 5 10 5 11 5 14 5 13 5 12 5 15 5 20 1 11 1 1 1 5 1 3 1 6 1 8 25 ANALOG UNIT 14 5 20 5 8 5 7 5 21 4 3 5 1 5 17 5 16 5 18 5 19 5 5 5 7 5 6 3 9 3 6 3 2 3 5 3 4 3 8 3 8 33 3 7 3 1 3 3 3 15 3 19 3 16 3 17 3 12 3 17 3 14 3 14 3 18 3 11 3 17 3 10 3 13 3 1...

Page 73: ...Top Cover Ass y AN LC 20B2UA 4 CCOVA2109CE02 J Top Cover Ass y AR LC 20B2UB 4 1 Not Available Top Cover 4 2 GCOVA1943CEKA J Button Cover VOL AD 4 3 GCOVA1943CEKB J Button Cover CH AD 4 4 JBTN 2076CEKA J Operation Button AE 4 5 XEBSD30P08000 J Screw x2 AA 5 Not Available 20 LCD Panel Unit Ass y 5 1 RLCDTA005WJZZ J 20 LCD Panel Unit DT 2002 Mar LC 20B2UA 5 1 RLCDTA014WJZZ J 20 LCD Panel Unit DT 2002...

Page 74: ...s Remote Control AU LC 20B2UA RRMCG1664CESB J Wireless Remote Control AU LC 20B2UB TiNS 7604CEN1 J Operation Manual AT LC 20B2UA TiNS A181WJZZ J Operation Manual AX LC 20B2UB å UADP 0243CEPZ J AC Adaptor BL PACKING PARTS NOT REPLACEMENT ITEM SPAKC5679CEZZ Packing Case LC 20B2UA SPAKCA110WJZZ Packing Case LC 20B2UB SPAKPA001WJZZ Wrapping Paper SPAKXA005WJZZ Buffer Material LC 20B2UA SPAKXA050WJZZ B...

Page 75: ...0B2UA SPAKXA050WJZZ LC 20B2UB Polyethylene Bag SPAKPA001WJZZ Operation Manual TiNS 7604CEN1 LC 20B2UA TiNS A181WJZZ LC 20B2UB Cable Clamp 2 pcs LHLDW0119CESA LC 20B2UA LHLDW0119CESB LC 20B2UB Dry Battery 2 pcs Not Replacement Item AC Adapter UADP 0243CEPZ AC Cord QACCD3097CESA Antenna Cable QCNWG0003CEPA Wireless Remote Control RRMCG1664CESA LC 20B2UA RRMCG1664CESB LC 20B2UB ...

Page 76: ... 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 CORPORATION AV Systems Group Quality Reliability Control Center Yaita Tochigi 329 2193 Japan D Japan P Japan TQ1311 S May 2002 Printed in Japan NA KG ...

Search results

Summary of Contents for Aquos LC 20B2UB

Reviews:

Related manuals for Aquos LC 20B2UB

Brands by name

Popular brands

Sharp Aquos LC 20B2UB, Service Manual

Search results

Summary of Contents for Aquos LC 20B2UB

Reviews:

Related manuals for Aquos LC 20B2UB

Brands by name

Popular brands