Sharp Aquos LC 20B1U Service Manual Download Page 59

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LC-20B1U

Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

C7701

VCEASM0JN476MY J 47

6.3V Electrolytic

C7702

VCKYCY1EF104Z

J 0.1

25V

Ceramic

RESISTORS

R401

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R402

VRS-CY1JF333J

J 33k 1/16W

Metal Oxide

R403

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R404

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R405

VRS-CY1JF562J

J 5.6k 1/16W

Metal Oxide

R406

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R408

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R409

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R410

VRS-CY1JF474J

J 470k 1/16W

Metal Oxide

R412

VRS-CY1JF562J

J 5.6k 1/16W

Metal Oxide

R413

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R414

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R415

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R416

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R417

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R418

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R419

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R420

VRS-TV1JD000J

J 0

1/10W

Metal Oxide

R421

VRS-TV1JD000J

J 0

1/10W

Metal Oxide

R423

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R705

VRS-CY1JF1R0J

J 1

1/16W

Metal Oxide

R711

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R712

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R714

VRS-CY1JF1R0J

J 1

1/16W

Metal Oxide

R715

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R716

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R717

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R726

VRS-CY1JF1R0J

J 1

1/16W

Metal Oxide

R801

VRS-CB1JF221J

J 220 1/16W

Metal Oxide

R802

VRS-CB1JF220J

J 22

1/16W

Metal Oxide

R803

VRS-CB1JF220J

J 22

1/16W

Metal Oxide

R804

VRS-CA1JF101J

J 100 1/16W

Metal Oxide

R807

VRS-CY1JF750J

J 75

1/16W

Metal Oxide

R808

VRS-CY1JF750J

J 75

1/16W

Metal Oxide

R809

VRS-CY1JF750J

J 75

1/16W

Metal Oxide

R810

VRS-CB1JF220J

J 22

1/16W

Metal Oxide

R811

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R812

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R813

VRS-CB1JF220J

J 22

1/16W

Metal Oxide

R814

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R815

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R816

VRS-CY1JF470J

J 47

1/16W

Metal Oxide

R819

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R826

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R831

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R832

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R833

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R834

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R836

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R838

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R901

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R902

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R906

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R907

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R909

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R910

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R911

VRS-CY1JF272F

J 2.7k 1/16W

Metal Oxide

R912

VRS-CY1JF162F

J 1.6k 1/16W

Metal Oxide

R913

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R914

VRS-CY1JF222J

J 2.2k 1/16W

Metal Oxide

R915

VRS-CY1JF332J

J 3.3k 1/16W

Metal Oxide

R916

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R917

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R918

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R919

VRS-CY1JF333J

J 33k 1/16W

Metal Oxide

R1001

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R1002

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1003

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1005

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1006

VRS-CY1JF243F

J 24k 1/16W

Metal Oxide

R1007

VRS-CY1JF563F

J 56k 1/16W

Metal Oxide

R1008

VRS-CY1JF822F

J 8.2k 1/16W

Metal Oxide

R1009

VRS-CY1JF682F

J 6.8k 1/16W

Metal Oxide

R1013

VRS-CY1JF101J

J 100 1/16W

Metal Oxide

R1014

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R1016

VRS-CY1JF103J

J 10k 1/16W

Metal Oxide

R1017

VRS-CY1JF272J

J 2.7k 1/16W

Metal Oxide

R1019

VRS-CY1JF473J

J 47k 1/16W

Metal Oxide

R1020

VRS-CY1JF472J

J 4.7k 1/16W

Metal Oxide

R1021

VRS-TW2ED102J

J 1k

1/4W

Metal Oxide

R1022

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1024

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1025

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1026

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1027

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1028

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1029

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1030

VRS-TW2ED150J

J 15

1/4W

Metal Oxide

R1031

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1032

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1033

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1034

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1102

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1104

VRS-CA1JF333J

J 33k 1/16W

Metal Oxide

R1106

VRS-CF1JP333JY

J 33k 1/16W

Metal Oxide

R1107

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1108

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1109

VRS-CY1JF333J

J 33k 1/16W

Metal Oxide

R1110

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R1111

VRS-CY1JF683J

J 68k 1/16W

Metal Oxide

R1112

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1114

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1115

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R1116

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R1117

VRS-CY1JF102J

J 1k

1/16W

Metal Oxide

R1118

VRS-CY1JF563F

J 56k 1/16W

Metal Oxide

R1119

VRS-CY1JF472F

J 4.7k 1/16W

Metal Oxide

R1120

VRS-TX2HF5R6J

J 5.6

1/2W

Metal Oxide

R1121

VRS-CY1JF181J

J 180 1/16W

Metal Oxide

R1123

VRS-CY1JF181J

J 180 1/16W

Metal Oxide

R1124

VRS-CY1JF472F

J 4.7k 1/16W

Metal Oxide

R1125

VRS-TX2HF101J

J 100 1/2W

Metal Oxide

R1126

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1127

VRS-TX2HF1R8JY

J 1.8

1/2W

Metal Oxide

R1128

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R1129

VRS-CY1JF363F

J 36k 1/16W

Metal Oxide

R1130

VRS-TX2HF5R6J

J 5.6

1/2W

Metal Oxide

R1131

VRS-CY1JF105J

J 1M

1/16W

Metal Oxide

R1132

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1134

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1140

VRS-CY1JF273F

J 27k 1/16W

Metal Oxide

R1142

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1143

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1144

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1145

VRS-TW2ED5R6J

J 5.6

1/4W

Metal Oxide

R1146

VRS-TW2ED8R2J

J 8.2

1/4W

Metal Oxide

R1147

VRS-TX2HF000J

J 0

1/2W

Metal Oxide

R1148

VRS-TX2HF100J

J 10

1/2W

Metal Oxide

R1150

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1151

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1152

VRS-CY1JF391J

J 390 1/16W

Metal Oxide

R1153

VRS-CY1JF680J

J 68

1/16W

Metal Oxide

R1154

VRS-CY1JF683J

J 68k 1/16W

Metal Oxide

R1157

VRS-CY1JF683J

J 68k 1/16W

Metal Oxide

R1158

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1160

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1161

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1162

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

R1163

VRS-CY1JF123F

J 12k 1/16W

Metal Oxide

R1164

VRS-CY1JF000J

J 0

1/16W

Metal Oxide

R1166

VRS-CY1JF104J

J 100k 1/16W

Metal Oxide

R1167

VRS-CY1JF103F

J 10k 1/16W

Metal Oxide

DUNTKA670FE24
DIGITAL UNIT (Continued)

Summary of Contents for Aquos LC 20B1U

Page 1: ...DIAGRAM 32 DESCRIPTION OF SCHEMATIC DIAGRAM 34 SCHEMATIC DIAGRAM Ë CONTROL and RC LED UNIT 35 Ë DIGITAL UNIT 36 Ë ANALOG UNIT 46 Page Page Ë INVERTER A UNIT 50 Ë INVERTER B UNIT 51 PRINTED WIRING BOARD ASSEMBLIES 52 PARTS LIST Ë ELECTRICAL PARTS 56 Ë DIGITAL UNIT 56 Ë ANALOG UNIT 61 Ë CONTROL UNIT 64 Ë RC LED UNIT 64 Ë INVERTER A UNIT 65 Ë INVERTER B UNIT 65 Ë CABINET AND MECHANICAL PARTS 66 Ë ACC...

Page 2: ...n 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 that hardware ...

Page 3: ...ovoquer 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 s assurer que ...

Page 4: ...ch 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 contain...

Page 5: ...enna F Type Headphone Mini jack for stereo 3 5 ø PC Card slot PC Card Type II PC card adapter Image File Format JPEG files complying with DCF format OSD language English French Spanish Power supply DC 13 V AC 110 Power consumption AC 67 W with AC adapter DC 58 W DC 13 V 240 V 50 60 Hz Weight 19 lbs 8 6 kg w o accessories Accessories Enviromental conditions Remote control Batteries Antenna cable AC...

Page 6: ...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 main power is off PC Card slot Note VID EO AU DIO L Y P...

Page 7: ...TV set Headphones Headphones are not included in the supplied accessories No sound will be heard from the main unit speakers when a headphone mini plug is connected into the HEADPHONE jack On screen display 60 VOLUME Rear terminal VOL CH VOL CH MENU TV VIDEO MAIN POWER Note 1 4 7 MTS 2 5 8 0 3 6 9 100 POWER DISPLAY SLEEP CARD ENTER CH VOL FLASHBACK MUTE BRIGHT MENU TV VIDEO MENU TV VIDEO POWER DIS...

Page 8: ...L PR PB Y CH VOL TV VIDEO MENU MAINPOWER 24 51 64 630 15 51 64 401 3 6 29 64 163 9 1 13 64 30 5 2 37 64 65 5 9 1 32 229 4 18 41 64 473 5 3 7 16 87 5 11 49 64 298 8 1 37 64 40 2 5 8 66 6 2 55 64 72 6 18 29 64 468 8 1 16 1 5 15 1 64 381 5 7 13 32 188 7 5 8 193 5 4 7 32 107 3 12 9 16 319 2 55 64 72 6 1 37 64 40 14 59 64 379 3 15 16 100 3 15 16 100 ...

Page 9: ...connector 5 2 Remove the PC card frame angle fixing screws 2 pcs 5 3 Remove the ground cable fixing screws 3 pcs 6 Detach the connector from each PWB 5 2 PC Card Frame Angle When you attach FFC a black dot mark should be on a card unit side CAUTION PC CARD Unit 5 3 5 2 5 3 5 3 5 1 ANALOG PWB INVERTER A PWB INVERTER B PWB DIGITAL PWB RC LED PWB CONTROL PWB 4 Reinforcement Angle 6 6 6 6 6 6 6 6 6 6 ...

Page 10: ...screws 1 pc 10 Undo the hooks and slide the chassis frame cover out of position 11 Remove the analog PWB fixing screws 3 pcs 12 Remove the RC LED PWB fixing screws 2 pcs 13 Remove the control PWB fixing screws 2pcs 7 11 8 9 INVERTER A PWB DIGITAL PWB Chassis Frame Chassis Frame Cover ANALOG PWB INVERTER B PWB CONTROL PWB 13 12 10 RC LED PWB ...

Page 11: ...ion 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 plate PCOVU0107CEZZ Di...

Page 12: ...digital unit P2004 and analog unit P3702 and connect the extended cable for service QCNW A323WJZZ 6 Remove the chassis frame fixed screws 4 pcs it shifts to right hand side and remove the double sided tape for digital unit SC1203 LCD panel connection FFC fixation under a chassis frame 7 Remove the RC LED unit 7 1 Open a wire holder 7 2 Remove the RC LED unit fixed screws 2 pcs 8 Remove the digital...

Page 13: ... 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 Shipping set...

Page 14: ...N TAMP data 1 Receive the monoscope pattern sig nal 2 Adjust the RCUTOFF and BCUTOFF settings on page 2 of adjustment process mode to achieve an optimum white balance 1 Adjust the B Adj value to 5 0 0 02V with R3760 Make exact adjustment of the 5 00 V 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 Dur...

Page 15: ...Blue Screen Off EZ Setup Auto Start On Sleep Timer None MTS Stereo Brightness Bright Auto Power Off Off Upside Normal Right 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 CARD Last Card Mode CARD SLIDE SHOW SETTING INTERVAL 5SEC ORDER TO SHOW NORMAL REPEAT OFF MY PROGRAM SET PROGRAM NONE...

Page 16: ...etting 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 IC120...

Page 17: ... 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 fie...

Page 18: ... 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 setting Composite S Video AV PAL60 CONTRAST 49 Video contras...

Page 19: ...L 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 density se...

Page 20: ...V 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 PAL N A...

Page 21: ... 1 2 phase NTSC 14 02 System clock setting G A TEST PATERN OFF Gradation test pattern display LCD controller IC test pattern 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 adjustment PAL 0A 4A Display screen to...

Page 22: ...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 Write read execution LSYNC 625 Sync ID threshold level TV HSYNC 655 Sync ID thre...

Page 23: ...p bottom mask position CARD 10 80 Test pattern display CARD 11 00 Test pattern data CARD 12 00 Horizontal display mask left position CARD 13 00 Horizontal display mask right position CARD E0 00 FIFO TEST CARD E1 03 Sync polarity reversal CARD F0 07 OFL terminal operation setting CARD F1 00 Inverter frequency setting CARD F2 00 Inverter duty setting CARD F3 C0 Dimmer frequency setting lower level C...

Page 24: ...ing 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 t...

Page 25: ...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 PB line PR line and pe...

Page 26: ...t circuited Check J3701 its peripheral parts and connection cable Replace F3701 and F3702 Check S4701 and connection cable Check the secondary 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 F67...

Page 27: ...n 71 of IC801 as specified Check SC3405 SC line and peripheral parts No VIDEO color Check all the settings on the microprocessor s adjust process menu No COMPONENT color No Is input at Pins 4 and 6 of IC801 as specified Check J3404 PB line PR line and peripheral parts ...

Page 28: ... 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 in question Check the...

Page 29: ... Yes File format is not correct Check input output of IC901 IC7102 and their peripheral parts Is each terminal voltage of pins 46 and 40 of SC901 normal pin 46 3 3V pin 40 5 0V Is pin 49 of IC2001 at L Check the line in question Yes Yes No Are input and output of each terminal of pins 15 and 28 of IC801 normal Check the PC card unit Check the line in question ...

Page 30: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 30 CHASSIS LAYOUT CONTROL UNIT DIGTAL UNIT ANALOG UNIT RC LED UNIT ...

Page 31: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 31 INVERTER A UNIT INVERTER B UNIT ...

Page 32: ...NER TU3201 I2C AUDIO DECODER MSP IC3304 AUDIO FILTER IC3301 IC3302 IC3303 AUDIO AMPLIFIER IC3305 I2C COLD 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 L...

Page 33: ...B DIGITAL UNIT V1SY V1SC CONTROL KEYS POWER SWITCH CONTROLUNIT R C RECEIVER RMC4002 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 Y and C SWITCH IC7101 V1SY I2C SYOUT SCOUT YO CO VIDEO ...

Page 34: ...TOR 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 A R E IMPORTANT FOR MAINTAINING THE SAFETY OF...

Page 35: ...LC 20B1U 35 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM ËCONTROL and RC LED Unit ...

Page 36: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 36 Ë DIGITAL Unit 1 5 ...

Page 37: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 37 ...

Page 38: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 38 Ë DIGITAL Unit 2 5 ...

Page 39: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 39 ...

Page 40: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 40 Ë DIGITAL Unit 3 5 ...

Page 41: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 41 ...

Page 42: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 42 Ë DIGITAL Unit 4 5 ...

Page 43: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 43 ...

Page 44: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 44 Ë DIGITAL Unit 5 5 ...

Page 45: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 45 ...

Page 46: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 46 Ë ANALOG Unit 1 2 ...

Page 47: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 47 ...

Page 48: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H LC 20B1U 48 Ë ANALOG Unit 2 2 ...

Page 49: ...17 16 19 18 15 14 13 12 11 10 LC 20B1U 49 ...

Page 50: ...LC 20B1U 50 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...

Page 51: ...LC 20B1U 51 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...

Page 52: ...LC 20B1U 52 6 5 4 3 2 1 A B C D E F G H PRINTED WIRING BOARD ASSEMBLIES CONTROL Unit Side A DIGITAL Unit Side A ...

Page 53: ...LC 20B1U 53 6 5 4 3 2 1 A B C D E F G H CONTROL Unit Side B DIGITAL Unit Side B ...

Page 54: ...LC 20B1U 54 6 5 4 3 2 1 A B C D E F G H INVERTER B Unit Side A INVERTER A Unit Side A RC LED Unit Side A ...

Page 55: ...LC 20B1U 55 6 5 4 3 2 1 A B C D E F G H ANALOG Unit Side A ...

Page 56: ...9DE06 CONTROL Unit DUNTKB130DE06 RC LED Unit DUNTKB132DE01 INVERTER A Unit DUNTKB133DE01 INVERTER B Unit DUNTKB021CEN1 J PC CARD Unit CB Unit Replacement LCD PANEL RLCDTA014WJZZ J 20 LCD Panel Unit DT DUNTKA670FE24 DIGITAL UNIT INTEGRATED CIRCUITS IC401 VHiBA7046F 1 J BA7046F AF IC402 VHiNJM2235V 1 J NJM2235V AE IC702 VHiBA033FP 1 J BA033FP E2 AG IC703 VHiPQ20VZ11 1 J PQ20VZ11 AH IC801 VHiVPC3230D...

Page 57: ...V Ceramic AA C411 VCKYTV1AB105K J 1 10V Ceramic AD C701 VCKYTV1CF105Z J 1 16V Ceramic AB C702 VCEASM1CN226MY J 22 16V Electrolytic AD C703 VCKYTV1CF105Z J 1 16V Ceramic AB C705 VCKYCY1CF334Z J 0 33 16V Ceramic AA C706 VCEASM0JN226MY J 22 6 3V Electrolytic AC C711 VCKYCY1EF104Z J 0 1 25V Ceramic AA C801 VCEASM1CN106MY J 10 16V Electrolytic AC C802 VCKYCY1EF104Z J 0 1 25V Ceramic AA C803 VCCCCY1HH7R...

Page 58: ...1HB561K J 560p 50V Ceramic AA C2016 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2017 VCKYCY1EF104Z J 0 1 25V Ceramic AA C2018 VCCCCY1HH220J J 22p 50V Ceramic AA C2020 VCKYCY1HB271K J 270p 50V Ceramic AA C2021 VCEASM1CW107MY J 100 16V Electrolytic AD C2023 VCEASM1CN106MY J 10 16V Electrolytic AC C7001 VCCCCY1HH220J J 22p 50V Ceramic AA C7002 VCCCCY1HH220J J 22p 50V Ceramic AA C7003 VCKYCY1EF104Z J 0 1 25V ...

Page 59: ...5 VRS CY1JF103F J 10k 1 16W Metal Oxide AA R1006 VRS CY1JF243F J 24k 1 16W Metal Oxide AA R1007 VRS CY1JF563F J 56k 1 16W Metal Oxide AA R1008 VRS CY1JF822F J 8 2k 1 16W Metal Oxide AA R1009 VRS CY1JF682F J 6 8k 1 16W Metal Oxide AA R1013 VRS CY1JF101J J 100 1 16W Metal Oxide AA R1014 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R1016 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R1017 VRS CY1JF272J J 2 7k...

Page 60: ...de AA R2011 VRS CB1JF101J J 100 1 16W Metal Oxide AA R2012 VRS CA1JF103J J 10k 1 16W Metal Oxide AA R2013 VRS CA1JF223J J 22k 1 16W Metal Oxide AA R2014 VRS CA1JF101J J 100 1 16W Metal Oxide AA R2015 VRS CB1JF331J J 330 1 16W Metal Oxide AC R2016 VRS CY1JF103J J 10k 1 16W Metal Oxide AA R2017 VRS CA1JF102J J 1k 1 16W Metal Oxide AA R2018 VRS CY1JF223J J 22k 1 16W Metal Oxide AA R2019 VRS CY1JF471J...

Page 61: ...206FJZZ J Socket 30 pin AF SC2001 QSOCN0464FJZZ J Socket 50 pin AH PSLDM4693CEFW J Shield AD QCNW A549WJZZ J Connecting Cord AR DUNTKA670FE24 DIGITAL UNIT Continued DUNTKB128DE06 ANALOG UNIT TUNER NOTE THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY TU3201 VTUVT2U5UF553 J Tuner BC INTEGRATED CIRCUITS IC3301 VHiNJM4560M 1 J NJM4560M AG IC3302 VHiNJM4560M 1 J NJM4560M AG IC330...

Page 62: ...c AD C3354 VCCCCY1HH560J J 56p 50V Ceramic AA C3355 VCCCCY1HH560J J 56p 50V Ceramic AA C3356 VCCCCY1HH560J J 56p 50V Ceramic AA C3357 VCCCCY1HH5R0C J 5p 50V Ceramic AA C3358 VCCCCY1HH5R0C J 5p 50V Ceramic AA C3359 VCEAPF1CN106M J 10 16V Electrolytic AD C3360 VCEAPF1CN107M J 100 16V Electrolytic AD C3361 VCEAPF1HN105M J 1 50V Electrolytic AD C3362 VCKYCY1HB102K J 1000p 50V Ceramic AA C3363 VCEAPF1H...

Page 63: ...VRS CY1JF101J J 100 1 16W Metal Oxide AA R3370 VRS CY1JF101J J 100 1 16W Metal Oxide AA R3371 VRS CY1JF000J J 0 1 16W Metal Oxide AA R3372 VRS CY1JF000J J 0 1 16W Metal Oxide AA R3373 VRS CY1JF000J J 0 1 16W Metal Oxide AA R3375 VRS CY1JF000J J 0 1 16W Metal Oxide AA R3377 VRS CY1JF000J J 0 1 16W Metal Oxide AA R3379 VRS CY1JF822J J 8 2k 1 16W Metal Oxide AA R3380 VRS CY1JF103J J 10k 1 16W Metal O...

Page 64: ...ite Bead AD FB3701 RBLN 0095CEZZ J Ferrite Bead AD FB3704 RBLN 0051TAZZ J Ferrite Bead AC FB3705 RBLN 0051TAZZ J Ferrite Bead AC FB3706 RBLN 0254TAZZY J Ferrite Bead AB FB3707 RBLN 0254TAZZY J Ferrite Bead AB FB3708 RBLN 0051TAZZ J Ferrite Bead AC FB3709 RBLN 0095CEZZ J Ferrite Bead AD J3301 QJAKF0066CEZZ J Jack AE J3401 QJAKG0085CEZZ J Jack AG J3404 QJAKG0069CEZZ J Jack AG J3407 QJAKG0068CEZZ J J...

Page 65: ...Fuse 1A 125V AE å F6701 QFS B1021GEZZ J Fuse 1A 125V AE å F6702 QFS B1021GEZZ J Fuse 1A 125V AE FH6700 QFSHD1002CEZZ J Fuse Holder AA FH6701 QFSHD1002CEZZ J Fuse Holder AA FH6702 QFSHD1002CEZZ J Fuse Holder AA FH6703 QFSHD1002CEZZ J Fuse Holder AA FH6704 QFSHD1002CEZZ J Fuse Holder AA FH6705 QFSHD1002CEZZ J Fuse Holder AA P6700 QPLGN0155FJZZ J Plug 3 pin AE P6701 QPLGN0155FJZZ J Plug 3 pin AE P670...

Page 66: ...ROL UNIT RC LED UNIT D E 4 4 2 4 1 4 4 4 5 31 11 31 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 31 ANALOG UNIT 16 23 5 20 5 8 5 7 5 21 4 3 INVERTER B UNIT H G C 5 1 5 17 5 16 5 18 5 19 5 5 5 7 5 6 3 9 3 6 3 1 3 5 3 4 3 8 3 8 3 7 3 2 3 3 3 3 15 3 19 3 16 3 17 3 12 3 17 3 14 3 14 3 18 3 11 3 ...

Page 67: ...MLT 0402CEZZ J Spacer x1 AC 5 4 PSLDM4685CEFW J Back Shielding Plate AX å 5 5 KLMP 0124CEZZ J Lamp BH å 5 6 KLMP 0125CEZZ J Lamp BD 5 7 LHLDZ2176CEZZ J Lamp Fixing Holder x2 AL 5 8 MSPRP1220CEFW J ITO Earth Spring AC 5 9 PCOVU0107CEZZ J Diffusion Sheet Cover AY 5 10 PMiR 0296CEZZ J Reflection Plate AX 5 11 PMLT 0377CEZZ J Spacer AD 5 12 PSHEP0286CEZZ J Reflectio Deflection Sheet BP 5 13 PSHEP0287C...

Page 68: ...le AM RRMCGA051WJSA J Remote Control AT TiNS A109WJZZ J Operation Manual AY å UADP 0243CEPZ J AC Adaptor BL EXTENSION CABLE For servicing QCNW A323WJZZ J FFC P2004 P3702 AD QCNW A324WJZZ J FFC SC3403 SC2001 AE PACKING PARTS NOT REPLACEMENT ITEM SPAKCA054WJZZ Packing Case SPAKPA001WJZZ Wrapping Paper SPAKXA050WJZZ Buffer Material SSAKA0160CEZZ Polyethylene Bag TLABK0001TAZZ Carton Label ...

Page 69: ...ttom SPAKXA050WJZZ Polyethylene Bag SPAKPA001WJZZ Operation Manual TiNS A109WJZZ Cable Clamp 2 pcs LHLDW0109CESA Dry Battery 2 pcs Buffer material SPAKXA050WJZZ Not Replacement Item AC Adapter UADP 0243CEPZ AC Cord QACCD3097CEPA Antenna Cable QCNWG0003CEPA Remote Control RRMCGA051WJSA ...

Page 70: ... 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 TQ1318 S May 2002 Printed in Japan NA KG ...

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