Sharp LC-20SH3H Service Manual Download

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Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

LC-20SH3H/M/X

LC-20SH4H/M/X

DUNTKD547FM12 (LC-20SH3H) DUNTKD547FM21 (LC-20SH4H)
DUNTKD547FM15 (LC-20SH3M) DUNTKD547FM24 (LC-20SH4M)
DUNTKD547FM18 (LC-20SH3X) DUNTKD547FM27 (LC-20SH4X)

MAIN Unit (Continued)

R1096

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1201

VRS-CY1JF472JY

J 4.7k 1/16W

Metal Oxide

R1202

VRS-TX2HF102JY

J 1k

1/2W

Metal Oxide

R1203

VRS-CY1JF333JY

J 33k 1/16W

Metal Oxide

R1204

VRS-CY1JF104JY

J 100k 1/16W

Metal Oxide

R1205

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1206

VRS-TW2HF472JY

J 4.7k 1/2W

Metal Oxide

R1207

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1220

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1225

VRS-CY1JF562JY

J 5.6k 1/16W

Metal Oxide

R1226

VRS-TW2HF330JY

J 33

1/2W

Metal Oxide

R1227

VRS-TW2ED103JY

J 10k 1/4W

Metal Oxide

R1228

VRS-CY1JF332JY

J 3.3k 1/16W

Metal Oxide

R1234

VRS-CY1JF472JY

J 4.7k 1/16W

Metal Oxide

R1235

VRS-CY1JF681JY

J 680 1/16W

Metal Oxide

R1236

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1237

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1238

VRS-CY1JF104FY

J 100k 1/16W

Metal Oxide

R1239

VRS-CY1JF104FY

J 100k 1/16W

Metal Oxide

R1240

VRS-CY1JF273JY

J 27k 1/16W

Metal Oxide

R1241

VRS-CY1JF333JY

J 33k 1/16W

Metal Oxide

R1242

VRS-CY1JF104JY

J 100k 1/16W

Metal Oxide

R1243

VRS-CY1JF203FY

J 20k 1/16W

Metal Oxide

R1244

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1245

VRS-CY1JF562JY

J 5.6k 1/16W

Metal Oxide

R1246

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1247

VRS-CY1JF511JY

J 510 1/16W

Metal Oxide

R1248

VRS-CY1JF511JY

J 510 1/16W

Metal Oxide

R1251

VRS-TV1JD000JY

J 0

1/10W

Metal Oxide

R1252

VRS-TV1JD000JY

J 0

1/10W

Metal Oxide

R1255

VRS-CY1JF272JY

J 2.7k 1/16W

Metal Oxide

R1256

VRS-TQ2BD103JY

J 10k 1/8W

Metal Oxide

R1260

VRS-TV1JD000JY

J 0

1/10W

Metal Oxide

R1262

VRS-TV1JD000JY

J 0

1/10W

Metal Oxide

R1263

VRS-CY1JF104FY

J 100k 1/16W

Metal Oxide

R1264

VRS-CY1JF104FY

J 100k 1/16W

Metal Oxide

R1265

VRS-CY1JF273JY

J 27k 1/16W

Metal Oxide

R1266

VRS-CY1JF333JY

J 33k 1/16W

Metal Oxide

R1267

VRS-CY1JF104JY

J 100k 1/16W

Metal Oxide

R1268

VRS-CY1JF203FY

J 20k 1/16W

Metal Oxide

R1269

VRS-CY1JF564FY

J 560k 1/16W

Metal Oxide

R1270

VRS-CY1JF204FY

J 200k 1/16W

Metal Oxide

R1271

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1272

VRS-CY1JF562JY

J 5.6k 1/16W

Metal Oxide

R1273

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1274

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R1275

VRS-CY1JF331JY

J 330 1/16W

Metal Oxide

R1276

VRS-CY1JF511JY

J 510 1/16W

Metal Oxide

R1277

VRS-CY1JF303JY

J 30k 1/16W

Metal Oxide

R1280

VRS-CY1JF272JY

J 2.7k 1/16W

Metal Oxide

R1281

VRS-TW2ED182JY

J 1.8k 1/4W

Metal Oxide

R1282

VRS-TQ2BD332JY

J 3.3k 1/8W

Metal Oxide

R1283

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1284

VRS-CY1JF471JY

J 470 1/16W

Metal Oxide

R1285

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1286

VRS-CY1JF333JY

J 33k 1/16W

Metal Oxide

R1287

VRS-CY1JF333JY

J 33k 1/16W

Metal Oxide

R1288

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R1300

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1301

VRS-CY1JF153JY

J 15k 1/16W

Metal Oxide

R1302

VRS-CY1JF332JY

J 3.3k 1/16W

Metal Oxide

R1303

VRS-CY1JF105JY

J 1M

1/16W

Metal Oxide

R1304

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R1305

VRS-CY1JF331JY

J 330 1/16W

Metal Oxide

R1306

VRS-CJ1JF101JY

J 100 1/16W

Metal Oxide

R1307

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1309

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1310

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1312

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1313

VRS-TQ2BD000JY

J 0

1/8W

Metal Oxide

R1314

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1315

VRS-CY1JF332JY

J 3.3k 1/16W

Metal Oxide

R1316

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R1317

VRS-CJ1JF331JY

J 330 1/16W

Metal Oxide

R1318

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R1319

VRS-CY1JF562FY

J 5.6k 1/16W

Metal Oxide

R1320

VRS-CY1JF393FY

J 39k 1/16W

Metal Oxide

R1321

VRS-CY1JF563FY

J 56k 1/16W

Metal Oxide

R1322

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1323

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R1324

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1325

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1326

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1327

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1328

VRS-CY1JF561FY

J 560 1/16W

Metal Oxide

R1329

VRS-CY1JF102FY

J 1k

1/16W

Metal Oxide

R1330

VRS-CY1JF274JY

J 270k 1/16W

Metal Oxide

R1332

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1334

VRS-TV1JD102JY

J 1k

1/10W

Metal Oxide

R1335

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1336

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1339

VRS-CY1JF104JY

J 100k 1/16W

Metal Oxide

R1340

VRS-CJ1JF101JY

J 100 1/16W

Metal Oxide

R1344

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1346

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1347

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R1348

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R1349

VRS-CY1JF152JY

J 1.5k 1/16W

Metal Oxide

R1350

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1352

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R1705

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1706

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1707

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1708

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R1709

VRS-CY1JF333JY

J 33k 1/16W

Metal Oxide

R1710

VRS-CY1JF104JY

J 100k 1/16W

Metal Oxide

R1711

VRS-CY1JF270JY

J 27

1/16W

Metal Oxide

R1714

VRS-CY1JF123FY

J 12k 1/16W

Metal Oxide

R1715

VRS-CJ1JF270JY

J 27

1/16W

Metal Oxide

R1720

VRS-TW2HF361JY

J 360 1/2W

Metal Oxide

R2001

VRS-CY1JF471JY

J 470 1/16W

Metal Oxide

R2003

VRS-CY1JF102JY

J 1k

1/16W

Metal Oxide

R2004

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R2005

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2006

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2007

VRS-CJ1JF223JY

J 22k 1/16W

Metal Oxide

R2008

VRS-CJ1JF102JY

J 1k

1/16W

Metal Oxide

R2009

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R2011

VRS-CY1JF222JY

J 2.2k 1/16W

Metal Oxide

R2012

VRS-CY1JF104JY

J 100k 1/16W

Metal Oxide

R2013

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R2016

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R2017

VRS-CJ1JF223JY

J 22k 1/16W

Metal Oxide

R2018

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2020

VRS-CY1JF000JY

J 0

1/16W

Metal Oxide

R2021

VRS-CY1JF153JY

J 15k 1/16W

Metal Oxide

R2022

VRS-CY1JF223JY

J 22k 1/16W

Metal Oxide

R2023

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2025

VRS-CJ1JF101JY

J 100 1/16W

Metal Oxide

R2026

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R2027

VRS-CY1JF471JY

J 470 1/16W

Metal Oxide

R2028

VRS-CY1JF512JY

J 5.1k 1/16W

Metal Oxide

R2030

VRS-CY1JF472JY

J 4.7k 1/16W

Metal Oxide

R2031

VRS-CJ1JF101JY

J 100 1/16W

Metal Oxide

R2032

VRS-CY1JF394JY

J 390k 1/16W

Metal Oxide

R2033

VRS-CY1JF680JY

J 68

1/16W

Metal Oxide

R2034

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2036

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R2037

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2038

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2039

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2040

VRS-CY1JF103JY

J 10k 1/16W

Metal Oxide

R2041

VRS-CY1JF682JY

J 6.8k 1/16W

Metal Oxide

R2042

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2044

VRS-CY1JF101JY

J 100 1/16W

Metal Oxide

R2045

VRS-CY1JF682JY

J 6.8k 1/16W

Metal Oxide

Summary of Contents for LC-20SH3H

Page 1: ...S IMPORTANT SERVICE SAFETY PRECAUTION 2 SPECIFICATIONS 4 OPERATION MANUAL 6 DIMENSIONS 9 REMOVING OF MAJOR PARTS 10 ADJUSTING PROCEDURE OF EACH SECTION 18 PUBLIC MODE SETTING PROCEDURE 22 TROUBLE SHOOTING TABLE 24 BLOCK DIAGRAM 28 OVERALL WIRING DIAGRAM 30 DESCRIPTION OF SCHEMATIC DIAGRAM 32 SCHEMATIC DIAGRAM ËINVERTER Unit 33 ËMAIN Unit 34 ËSUB Unit 44 ËOPERATION Unit 50 ËR C LED Unit 51 PRINTED ...

Page 2: ...acement parts which do not have the same safety characteristics as the factory recommended replacement 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 ...

Page 3: ...0 C which 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...

Page 4: ...NPUT1 COMPONENT IN AUDIO IN INPUT2 VIDEO IN S VIDEO IN AUDIO IN Terminals AUDIO OUT AUDIO OUT Antenna DIN Type Headphone jack 3 5 mm ø jack Side OSD LANGUAGE English Chinese Arabic Only for LC 20SH3X Power requirement AC 110 240 V 50 60 Hz Power Consumption 64 W 0 7 W at Standby Weight Display only 6 0 kg Display with stand 6 3 kg Operating temperature 0 C to 40 C ËAs a part of policy of continuou...

Page 5: ... 2 pcs INPUT1 COMPONENT IN AUDIO IN INPUT2 VIDEO IN S VIDEO IN AUDIO IN Terminals AUDIO OUT AUDIO OUT Antenna DIN Type Headphone jack 3 5 mm ø jack Side OSD LANGUAGE English Chinese Arabic Only for LC 20SH4X Power requirement AC 110 240 V 50 60 Hz Power Consumption 64 W 0 7 W at Standby Weight Display only 6 1 kg Display with stand 6 9 kg Operating temperature 0 C to 40 C ËAs a part of policy of c...

Page 6: ...LCD TV set by its stand Securely unfold the easel type table stand until you hear a clicking sound Only use the easel type table stand after first unfolding until a clicking sound is heard to ensure that it is stable Easel type table stand How to Prevent the LCD TV Set from Falling Over To prevent the LCD TV set from falling over in case of earthquakes and so on strap it onto the wall by threading...

Page 7: ...reen up to 2 5 degrees forwards or 10 degrees backwards Please adjust the angle so that the LCD TV set can be watched most comfortably Tilt the display by holding the upper part while securely holding down the stand with your other hand How to adjust the angle Terminals How to Fix the Cables Pull the cables connected to each terminal Insert the cables into the stand hole and fix the cables AUDIO R...

Page 8: ...brightness of the display Upwards Downwards Selection Zoom display function Teletext mode Mute Switches the sound on and off POWER MENU Displays the menu Flashback Returns to the previous channel Channel Select TV mode Selects the channel Teletext mode 0 9 Selects the page Blue Yellow VOL Volume TV VIDEO Switches the input source between INPUT1 INPUT2 and TV mode OK RETURN Returns to the previous ...

Page 9: ...X 9 DIMENSIONS Unit mm 160 9 201 2 413 6 12 208 6 100 100 47 181 7 403 3 494 300 8 3 1 234 7 421 7 125 8 89 8 111 8 3 215 3 Unit mm 100 100 53 403 3 436 620 129 89 8 45 300 8 51 382 433 246 199 2 Ë LC 20SH4H M X Ë LC 20SH3H M X ...

Page 10: ...ews 7 pcs 3 Remove the cabinet B after opening from the direction of an arrow 4 Detach the connector from each PWB Cabinet A Cabinet B Stand 2 2 3 1 SC1201 P7301 P6705 P6703 P6702 P6701 P6700 SC1701 CN1 SC2003 P3902 P3901 P3301 SC3601 SC2001 SC2002 SC4201 P3601 SC6701 SC4101 4 4 4 4 4 4 4 Main PWB R C LED PWB Sub PWB Inverter PWB Operation PWB ...

Page 11: ...he inverter PWB and take out the inverter PWB 8 Remove the 2 lock screws from the R C LED PWB and take out the R C LED PWB 9 Remove the 2 lock screws from the operation panel top cover and detach the operation panel top cover 10 Remove the 3 lock screws from the operation PWB and detach the operation PWB 11 Remove the 4 lock screws each from the right and left speakers and take out both the speake...

Page 12: ...ove the LCD panel from the panel chassis Be careful not to touch the LCD panel s glass faces driver IC PWBs and other components with bare hands Otherwise defects may be caused in the production line 15 Remove the diffusion sheets top lens sheet diffusion sheet bottom and diffusion plate Note Fit the diffusion plate and sheets tightly in the backlight casing If set out of position the panel may ge...

Page 13: ...connection between Sub unit SC3601 and R C LED unit SC4101 and connect the extended cable QCNW D445WJQZ for service 7 Remove only SC6701 side of the lead from between Sub unit P3601 and Inverter unit SC6701 and connect the extended cable QCNW D449WJQZ for service 8 Remove the PWB unit fixing screws main unit 2 pcs sub unit 2 pcs inverter unit 3 pcs Step Part No Description 1 QCNW C458WJQZ Extensio...

Page 14: ...rews 13 pcs 4 Remove the cabinet B after opening from the direction of an arrow 5 Detach the connector from each PWB Cabinet A Cabinet B Stand Stand Cover 4 2 3 3 1 P6703 P6702 P6701 P6700 SC1701 SC2003 SC1201 P7301 P3902 SC2002 SC2001 P3901 P3301 SC3601 CN1 SC4201 SC4001 P6705 P3601 SC6701 5 5 5 5 5 5 5 5 Main PWB R C LED PWB Sub PWB Inverter PWB Operation PWB ...

Page 15: ...e inverter PWB and take out the inverter PWB 9 Remove the 2 lock screws from the R C LED PWB and take out the R C LED PWB 10 Remove the 2 lock screws from the operation panel top cover and detach the operation panel top cover 11 Remove the 3 lock screws from the operation PWB and detach the operation PWB 12 Remove the 4 lock screws each from the right and left speakers and take out both the speake...

Page 16: ...ove the LCD panel from the panel chassis Be careful not to touch the LCD panel s glass faces driver IC PWBs and other components with bare hands Otherwise defects may be caused in the production line 16 Remove the diffusion sheets top lens sheet diffusion sheet bottom and diffusion plate Note Fit the diffusion plate and sheets tightly in the backlight casing If set out of position the panel may ge...

Page 17: ...connection between Sub unit SC3601 and R C LED unit SC4001 and connect the extended cable QCNW D445WJQZ for service 7 Remove only SC6701 side of the lead from between Sub unit P3601 and Inverter unit SC6701 and connect the extended cable QCNW D449WJQZ for service 8 Remove the PWB unit fixing screws main unit 2 pcs sub unit 2 pcs inverter unit 3 pcs Step Part No Description 1 QCNW C458WJQZ Extensio...

Page 18: ...emote controller 3 Key operation in the adjustment process Basic operation Selecting the receiving channels Using the CH ù Ù keys turn up and down an actual receiving channel Snap press The channels are turned up and down one by one Continuous press The next receivable channel is searched Various adjustments The items are adjusted one by one by selecting on the menu screen and using the cursor key...

Page 19: ... minimized 6 2 TAMP adjustment 1 Receive the standard colour bar signal 2 See if the Y reading maximum on Adjustment Process Page 2 is within the range in the following table If not adjust the NTSC TAMP setting on the same page to have the Y reading maximum within this range Reference Adjustment Process Menu Page 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 1 M O D E L ...

Page 20: ... Radius from the center White 40 x 0 274 0 002 0 01 Radius from the center y 0 279 0 002 0 01 Radius from the center Adjusting with the bus Gain RGB GAIN Fix the G setting at 0 Vary the R and B settings accordingly Adjustment range 40 Cut off RGB CUTOFF2 Reduce the two strong colours Adjustment range Down to 40 Reading with Minolta CA 210 7 Factory settings 7 1 Making factory settings Use the adju...

Page 21: ...r is turned off and the usual display appears instead when the power is turned on again 2 Test pattern displayed The following test pattern appears onscreen The DVP test pattern comes in 22 different types 1 Black white Size Minimum 2 Black white Size Small 3 Black white Size Medium 4 Black white Size Large 5 Crosshatch Spacing Minimum 6 Crosshatch Spacing Small 7 Crosshatch Spacing Medium 8 Cross...

Page 22: ... 2 Get the password input screen displayed Procedure The input starts with the leftmost digit Use the numeric keys 1 thru 9 and 10 0 keys on the remote con troller The 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 passwor...

Page 23: ... 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 c...

Page 24: ...ircuits Is there DC 18V input at F6700 thru F6704 Check the primary side of T7001 IC7301 and their peripheral circuits Disconnect F6700 thru F6704 Is the load short circuited Check the related line IC1004 and its peripheral circuits Is pin 187 of IC1004 at H or pulse Check the inverter unit and fluorescent lamp and replace as required Check the primary side of T7001 Q3305 and their peripheral circ...

Page 25: ...Is the input at pin 24 of S terminal detector IC2003 as specified No Is the input at pin 40 of IC1004 as specified Are the voltages at pins 1 12 and 14 of tuner as specified No image at all Check the microprocessor s adjustment process menu for wrong settings No TV output No Video 1 output No S Video output No Component output Check the LCD panel voltage and waveform Yes Yes Check the related line...

Page 26: ...ws Pin 39 of IC1300 About 8V Pins 65 and 66 of IC1300 About 5V Pins 11 12 and 13 of IC1300 About 3 3V Check the line from power circuit to pin 7 of IC3301 No sound from monitor output Check IC1300 and its peripheral circuits Check the line from pin 58 of IC2003 to Q3901 Q3902 and Q3903 Are there audio signal outputs from pins 36 Rch and 37 Lch of IC1300 Is the collector signal of Q3901 at L Check ...

Page 27: ... IC1004 and its peripheral circuits Is the input at pin 31 of IC1004 as specified Check pin 15 of SC2002 No Are the inputs at pins 21 and 33 of IC1004 as specified Check the CB and CR lines of SC2001 and their peripheral circuits Check the microprocessor s adjustment process menu for wrong settings No colour on Video No colour on S Video No colour on Component ...

Page 28: ... 13V IN1 2 INV VCC 18V OUT1 2 AC_CTL POW SP_L R DVP 7V 8V REG IC1301 1 8V REG IC1003 SW REG SW REG IC7701 AC DC TRANS T7701 SW REG IC7301 INPUT1 IC1004 32V REG Q1212 INVERTER TRANS 3 3V REG IC2001 GRADATION IC1203 BACK LIGHT LAMP T6700 6704 SW REG IC2005 Q6707 Q6708 Q6710 Q6711 R C RECEIVER LED DC DC TRANS T7001 AC IN IC3301 COMPONENT SOUND POWER AMP Q6714 Q6715 SPEAKER AUDIO OUT LCD PANEL KEY IC1...

Page 29: ...31 30 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...

Page 30: ... 1 16W unless otherwise noted CAPACITOR 1 All capacitors are µF unless otherwise noted P pF µµF 2 All capacitors are 50V unless 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 ...

Page 31: ...33 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X SCHEMATIC DIAGRAM ËINVERTER Unit ...

Page 32: ...35 34 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 1 5 ...

Page 33: ...37 36 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 2 5 ...

Page 34: ...39 38 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 3 5 ...

Page 35: ...41 40 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 4 5 ...

Page 36: ...43 42 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËMAIN Unit 5 5 ...

Page 37: ...45 44 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 1 3 ...

Page 38: ...47 46 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 2 3 ...

Page 39: ...49 48 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H ËSUB Unit 3 3 ...

Page 40: ...50 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X ËOPERATION Unit ...

Page 41: ...51 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X ËR C LED Unit LC 20SH3H M X ...

Page 42: ...52 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X ËR C LED Unit LC 20SH4H M X ...

Page 43: ...53 6 5 4 3 2 1 A B C D E F G H LC 20SH3H M X LC 20SH4H M X PRINTED WIRING BOARD ASSEMBLIES OPERATION Unit Wiring Side R4204 RU1 R4201 R4203 cam2 R4202 R4205 OPERATION Unit Chip Parts Side ...

Page 44: ...342 C1344 L1203 L1205 1 3 4 6 IC1702 X2001 LUG2001 LUG2002 1 2 14 15 1 2 22 23 SC2003 P1201 C1009 C1203 C1204 C1015 X1300 C1218 1 4 5 8 Q1215 C1221 C1222 C1223 C1224 Q1222 1 54 55 108 109 162 163 216 IC1004 1 20 21 40 IC1201 1 7 8 14 IC1203 1 2 19 20 P2001 C1054 L1303 C2003 1 80 SC1701 C1090 1 3 4 5 IC2001 1 30 31 50 51 80 81 100 IC2003 FL2001 X1000 C1301 C1308 1 5 KD547WE QPWBXD547WJN1 K1 1 MAIN ...

Page 45: ...701 C1723 FB1703 C1714 FB1702 TL2055 TL2047 TL2054 TL2052 P2001 R1046 TL2056 TL2051 R1048 C1057 C1058 C1053 C1055 TL2050 TL2053 C1050 C1049 C1047 C1046 C1045 C1044 C1043 C1042 C1041 C1040 C1039 C1015 C1038 C1037 C1036 R1082 C1035 C1034 L1000 C1033 C1032 C1009 C1031 C1030 C1029 C1028 C1027 C1026 C1024 C1054 C1090 R1091 C1052 C1056 C1059 C1060 C1063 C1066 C1068 C1069 C1071 C1073 C1075 C1076 C1077 C1...

Page 46: ...1 25 26 50 51 75 76 100 IC1701 SC2003 P1201 Q1000 Q1002 Q1204 Q1205 Q1207 X1300 Q1209 Q1211 Q1212 Q1213 D1000 Q1217 Q1218 4 5 8 IC1000 IC1001 IC1003 Q1223 Q1224 1 7 8 14 IC1205 D1220 R1227 L1302 L1303 Q2001 Q2003 Q2005 Q2006 1 3 4 5 IC2004 IC2005 Q1300 Q1301 Q1302 Q1304 Q1305 Q1306 Q1307 1 4 5 8 1 4 5 8 1 2 4 5 K1 3 4 6 6 4 3 3 4 6 6 3 4 4 6 3 1 5 ...

Page 47: ...2060 C1703 C1725 R1720 C1704 C1202 R1206 C1702 TL2059 C1701 TL2058 R2057 R2077 R2046 R2041 R2055 R2045 R2044 R2063 R2043 R2040 R2058 TL2041 R2006 R2048 Q2003 R2069 R2042 R2030 TL2040 R2065 R2071 C2016 R2026 R2038 R2075 TL2057 R2021 Q2001 C2017 C2015 R2036 R2076 R2013 R2035 C2014 R2022 R2034 Q2005 Q2006 C2011 C2018 R2033 R2018 R2014 R2028 R2012 R2003 IC2004 C2001 R2024 R2020 R2019 C2009 C2007 R2073...

Page 48: ...63 62 LC 20SH3H M X LC 20SH4H M X 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H SUB Unit Wiring Side QPWBFD567WJN1 ...

Page 49: ...01 C7301 D7002 C7311 R7006 C7007 C7309 C7308 R7309 D7308 R7007 R7312 Q7302 D7306 R7009 Q7301 C7016 R7311 C7310 D7307 R7310 D7301 R7314 R7316 Q7305 R7332 Q7303 FD2 R7720 R7725 R3606 R3605 C3309 C3311 R3604 R3309 C3319 Q3303 R3308 R3306 C3304 R3302 C3322 C3303 R3304 R3319 R3305 C3321 Q3302 R3307 R3321 R3322 R3318 R3316 C3318 R3317 C3317 C3325 R3320 RJ2 cam5 R3905 R3908 C3904 C3905 R3906 R3907 C5001 ...

Page 50: ... Q6713 TL6022 R6725 D6708 TL6031 R6741 R6724 C6723 C6722 C6713 R6715 C6714 Q6709 R6746 C6715 C6752 TL6023 R6717 R6716 C6734 C6735 D6701 Q6711 R6723 Q6710 TL6024 R6722 TL6030 D6707 R67410 TL6025 C6753 C6720 TL6703 R6720 R6747 D6705 TL6726 TL6700 Q6712 C6736 C6737 R6721 TL6721 C6719 C6718 R6719 Q6715 TL6701 Q6714 TL6706 TL6702 R6743 TL6704 D6710 TL6705 TL6032 TL6725 D6711 R6734 R6733 TL6723 C6729 TL...

Page 51: ...Side cam2 Q4105 R4109 R4103 R4102 R4101 R4106 Q4104 Q4103 R4105 R4107 Q4102 Q4101 RU4 R C LED Unit Chip Parts Side R C LED Unit Wiring Side R C LED Unit Chip Parts Side R4006 RU3 R4003 Q4001 Q4005 R4002 R4009 R4001 R4005 Q4003 R4007 Q4002 Q4004 com1 Ë LC 20SH3H M X Ë LC 20SH4H M X ...

Page 52: ... DUNTKD547FM27 LC 20SH4X MAIN Unit NOTE THE PARTS HERES SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY R1LQ197V3GZ83T 20 LCD Panel Module Ref No Part No Description Code TUNER NOTE THE PARTS HERES SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY TU1300 VTUATMQZ6 423 J Tuner BC INTEGRATED CIRCUITS IC1003 VHiPQ018EH1 1Y J PQ018EH01ZPH AF IC1004 RH iXB151WJZZQ R8A66605A03FP LC 20SH3H ...

Page 53: ...amic AB C1058 VCKYCZ1AB333KY J 0 033 10V Ceramic AB C1059 VCKYCZ1AB333KY J 0 033 10V Ceramic AB C1060 VCKYCZ1AB333KY J 0 033 10V Ceramic AB C1061 VCCCCY1HH5R0CY J 5p 50V Ceramic AA C1062 VCKYCZ1AB104KY J 0 1 10V Ceramic AB C1063 VCKYCZ1AB104KY J 0 1 10V Ceramic AB C1064 VCCCCY1HH5R0CY J 5p 50V Ceramic AA C1065 VCKYCZ1AB333KY J 0 033 10V Ceramic AB C1066 VCKYCZ1AB333KY J 0 033 10V Ceramic AB C1067 ...

Page 54: ...CY1HB103KY J 0 01 50V Ceramic AA C1728 VCKYCY1HB103KY J 0 01 50V Ceramic AA C1729 VCKYCY1HB103KY J 0 01 50V Ceramic AA C1730 VCKYCY1HB103KY J 0 01 50V Ceramic AA C2002 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C2003 VCEASX0JN226MY J 22 6 3V Electrolytic AB C2004 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C2005 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C2007 VCKYCY1HB222KY J 2200p 50V Ceramic AA C2009 VCKYCY1HB222KY ...

Page 55: ...VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R1313 VRS TQ2BD000JY J 0 1 8W Metal Oxide AA R1314 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R1315 VRS CY1JF332JY J 3 3k 1 16W Metal Oxide AA R1316 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1317 VRS CJ1JF331JY J 330 1 16W Metal Oxide AA R1318 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R1319 VRS CY1JF562FY J 5 6k 1 16W Metal Oxide AA R1320 VRS CY1JF393FY J 3...

Page 56: ...IRCUITS C3301 VHiLA4635A 1S J LA4635A AM IC7301 VHiBD9300F 1Y J BD9300F FE2 AG IC7701 VHiSTRW67652E J STR W6765N AL å IC7702 RH FXA003WJZZ J PC123Y82 AD å IC7703 RH FXA003WJZZ J PC123Y82 AD IC7704 VHiSE012N 1 J SE012N AH TRANSISTORS Q3301 VS2SC3928AR 1Y J 2SC3928AR AB Q3302 VSDTC314TK 1Y J DTC314TK AC Q3303 VSDTC314TK 1Y J DTC314TK AC Q3304 VSUMH2N 1Y J UMH2N AC Q3305 VS2SD2657 1Y J 2SD2657 AC Q33...

Page 57: ...ramic AA C7308 VCKYCY1HB103KY J 0 01 50V Ceramic AA C7309 VCKYCY1AB684KY J 0 68 10V Ceramic AB C7310 VCKYCY1HB103KY J 0 01 50V Ceramic AA å C7701 RC FZA022WJZZ J 0 22 275V Film AD å C7702 RC FZA022WJZZ J 0 22 275V Film AD C7703 RC EZA735WJQZ J 180 400V Electorlytic AQ C7704 RC FZA180WJZZ J 0 1 580V Film AD C7707 RC KZ0103GEZZ J 1000p 250V Ceramic AD C7708 RC KZ0103GEZZ J 1000p 250V Ceramic AD C771...

Page 58: ...RS TQ2BD562JY J 5 6k 1 8W Metal Oxide AA R7719 VRD RA2HD220JY J 22 1 2W Carbon AA R7720 VRS TQ2BD102JY J 1k 1 8W Metal Oxide AA å R7724 RR HZ0014GEZZY J 12M 1W Coat insulated AE fixed anti surge R7725 VRS TQ2BD153JY J 15k 1 8W Metal Oxide AA R7727 VRN VV3DBR10J J 0 1 2W Metal Film AB R7732 VRD RA2BE000JY J 0 1 8W Carbon AA R7752 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R7754 VRD RA2BE102JY J 1k 1 ...

Page 59: ...M DUNTKD568WE15 LC 20SH4M DUNTKD568WE09 LC 20SH3X DUNTKD568WE18 LC 20SH4X OPERATION Unit DUNTKD570WE12 LC 20SH4H DUNTKD570WE15 LC 20SH4M DUNTKD570WE18 LC 20SH4X R C LED Unit TRANSISTORS Q4001 VSKRC104S 1Y J KRC104S AA Q4002 VSKRC104S 1Y J KRC104S AA Q4003 VSKRC104S 1Y J KRC104S AA Q4005 VSKRC104S 1Y J KRC104S AA DIODES D4001 RH PXA014WJZZ J POWER Indicator AD D4002 RH PXA014WJZZ J SLEEP TIMER Indi...

Page 60: ...k 1 16W Metal Oxide AA R6712 VRS CY1JF562JY J 5 6k 1 16W Metal Oxide AA R6713 VRS CY1JF562JY J 5 6k 1 16W Metal Oxide AA R6714 VRD RA2EE182JY J 1 8k 1 4W Carbon AA R6715 VRS TW2ED122JY J 1 2k 1 4W Metal Oxide AA R6716 VRS CY1JF562JY J 5 6k 1 16W Metal Oxide AA R6717 VRS CY1JF333JY J 33k 1 16W Metal Oxide AA R6718 VRD RA2EE182JY J 1 8k 1 4W Carbon AA R6719 VRS TW2ED122JY J 1 2k 1 4W Metal Oxide AA ...

Page 61: ...arts in the unit of 1000 pieces 5 R1LQ197V3GZ83T 20 LCD Panel Module 5 1 Not Available 20 LCD Panel 5 2 LANGK3261TPZA J Bezel AX 5 3 PSLDK2567TPZZ J Diffusion Sheet Top x2 AQ 5 4 POFMA0220TPZZ J Lens Sheet BC 5 5 PSLDK2554TPZZ J Diffusion Sheet Bottom AN 5 6 PSLDK2553TPZZ J Diffusion Plate AX å 5 7 RLMPC2401TPZZ J Lamp Unit x5 AX 5 8 LHLDZ3104TPZA J Backlight Case BA 5 9 PZETE3778TPZZ J Spacer x2 ...

Page 62: ...N A B 14 L A B A B K 5 8 5 9 5 9 5 6 5 5 5 4 5 1 5 2 5 10 5 10 5 3 5 5 7 5 11 19 19 4 1 9 19 15 4 1 4 2 4 3 1 7 1 9 1 6 1 7 1 9 4 4 1 2 1 3 1 5 1 5 1 4 1 4 1 1 1 8 4 5 Operation PWB R C LED PWB Inverter PWB Sub PWB F L Main PWB 21 21 2 7 20 18 17 8 3 12 13 16 21 11 11 D E 6 6 1 6 7 6 3 6 5 6 2 6 6 2 6 2 5 2 3 2 1 3 6 3 5 3 4 3 1 3 2 3 3 2 2 2 2 2 4 6 4 ...

Page 63: ...ieces 5 R1LQ197V3GZ83T 20 LCD Panel Module 5 1 Not Available 20 LCD Panel 5 2 LANGK3261TPZA J Bezel AX 5 3 PSLDK2567TPZZ J Diffusion Sheet Top x2 AQ 5 4 POFMA0220TPZZ J Lens Sheet BC 5 5 PSLDK2554TPZZ J Diffusion Sheet Bottom AN 5 6 PSLDK2553TPZZ J Diffusion Plate AX å 5 7 RLMPC2401TPZZ J Lamp Unit x5 AX 5 8 LHLDZ3104TPZA J Backlight Case BA 5 9 PZETE3778TPZZ J Spacer x2 AC 5 10 LX HZ2070TPZS J Sc...

Page 64: ... 3 6 5 6 2 6 6 6 4 L A B A B K 5 8 5 9 5 9 5 6 5 5 5 4 5 1 5 2 5 10 5 10 5 3 5 5 7 5 11 21 4 21 4 5 21 4 1 4 2 4 3 4 4 R C LED PWB Main PWB Sub PWB Inverter PWB Operation PWB 13 12 23 11 11 23 23 15 2 14 7 19 8 18 22 2 3 2 2 2 5 2 4 2 7 2 1 2 8 16 20 3 3 2 3 6 3 3 3 1 3 5 3 4 17 1 1 3 1 3 1 4 1 4 1 1 1 2 A B J D F A B 9 1 6 1 6 1 5 1 7 1 7 A B C C I C C ...

Page 65: ...king Case LC 20SH3H S1 SPAKCC396WJZZ Packing Case LC 20SH3M S1 SPAKCC398WJZZ Packing Case LC 20SH3X S2 SPAKPA594WJZZ Wrapping Paper S3 SPAKXA911WJZZ Buffer Material S4 SPAKXA914WJZZ Front Pad S5 SSAKA0005PEZZ Polyethylene Bag S6 TLABV0182AJZZ Bar Code Label LC 20SH4H M X S1 SPAKCC353WJZZ Packing Case LC 20SH4H S1 SPAKCC397WJZZ Packing Case LC 20SH4M S1 SPAKCC399WJZZ Packing Case LC 20SH4X S2 SPAKP...

Page 66: ...83 LC 20SH3H M X LC 20SH4H M X PACKING OF THE SET S5 S2 X3 X1 X4 X2 S3 S4 S6 S3 S1 R L X3 X2 X1 S2 S4 S3 S3 S5 S3 S3 S6 S1 X4 Ë LC 20SH3H M X Ë LC 20SH4H M X ...

Page 67: ...eval 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 CS Promotion Center Yaita Tochigi 329 2193 Japan TQ0000 S Nov 2005 Printed in Japan MI KG Design and Production Information Design Japan Production SMM ...

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