Sharp LC-46XD1E/RU Manual de usuario

SERVICE MANUAL

CONTENTS

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the

safety and performance of the set.

This document has been published to be used for

after sales service only.

The contents are subject to change without notice.

MODIFIED PARTS

MODIFIED PARTS..............................................i

CHAPTER 1. ADJUSTMENT PROCEDURE

[1] ADJUSTMENT PROCEDURE ....................... 1-1

CHAPTER 2. PRINTED WIRING BOARD

[1] D-TUNER UNIT PRINTED WIRING

BOARD .......................................................... 2-1

CHAPTER 3. SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIA-

GRAM............................................................3-1

[2] SCHEMATIC DIAGRAM ................................3-2

Parts Guide

TopPage

For this model, the digital tuner unit have been changed.

Along with the (digital) tuner unit change, main software version, digital unit, adjustment procedure and some mechan-

ical parts have also been changed.

When servicing the product, use this manual with the service manual LC-46XD1E/RU, 52XD1E/RU

(S76V5LC46XD1E) already issued.

The previous tuner models and the new model can be identified with the following markings.

•The C character is added at the end of the model name on the S/I No. label.

•The C character is also added at the end of the model name on the number label (barcode label) of the

packing case.

•The serial product numbers (in the 5th thru 9th digits) are 11112 and on.

Items described in this manual

LC-46/52XD1E/RU SUPPLEMENT

In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-

inal condition and only parts identical to those specified should be used.

No. S47D8LC46XD1E

LCD COLOUR TELEVISION

LC-52XD1E/RU

MODELS

SUPPLEMENT

OUTLINE

LC-46XD1E/RU

LC-46/52XD1E/RU SUPPLEMENT

LC46XD1E Service Manual

MODIFIED PARTS

Ref No. Parts Name/Description After changing the Digital

Tuner unit

Before changing the Digital

Tuner unit

Remark

PRINTED WIRING BOARD ASSEMBLYS

N MAIN Unit DUNTKD915FM12 DUNTKD915FM01 Change

N AV Unit DUNTKD604FM11 DUNTKD604FM11 No Change

N POWER Unit RDENCA204WJQZ RDENCA204WJQZ No Change

N D-TUNER Unit DUNTKD984FM03 DUNTKD833FM02 Change

N DIGITAL Unit DUNTKD628FM20 DUNTKD628FM06 Change

N KEY Unit DUNTKD910FM01 DUNTKD910FM01 No Change

N R/C, LED Unit DUNTKD909FM01 DUNTKD909FM01 No Change

MAIN Unit

Main software Ver 2.34 Don’t care Up grade

DIGITAL UnIt

IC4203 IC M29W160ET70N6E RH-IXC100WJZZQ RH-IXB921WJZZQ Change

D-TUNER Unit

Refer to parts list.

TU201 Tuner RTUNQA035WJZZ RTUNQA034WJZZ Change

CABINET PARTS

Refer to parts list.

SUPPLIED ACCESSORIES

No Change

PACKING PARTS

No Change

SERVICE JIGS

No Change

LC-46/52XD1E/RU SUPPLEMENT

1 – 1

LC46XD1E Service Manual

CHAPTER 1. ADJUSTMENT PROCEDURE

[1] ADJUSTMENT PROCEDURE

1. Video signal adjustment procedure

1. Signal check

Signal generator level adjustment check (Adjustment to the specified level)

• Composite signal PAL : 0.7Vp-p ±0.02Vp-p (Pedestal to white level)

• 15K component signal : Y level 0.7Vp-p ±0.02Vp-p (Pedestal to white level)

(50 Hz) PB, PR level 0.7Vp-p ±0.02Vp-p

2. Entering the adjustment process mode

Enter the adjustment process mode by using the remote control unit for adjustment.

3. RF AGC adjustment 1

1 Setting [Signal] 䊶

Feed the PAL Split Field colour bar signal (E-12ch) to TUNER.

PAL Signal level: 55dB V㵘±1dB 㵘㵘(75 ΩLOAD)

Split Field Colour Bar

RF signal UV [E-12CH]

[Terminal]

TUNER

㸡100% white

Auto adjustment Adjustment process Bring the cursor on [RF AGC BG ADJ] and press [OK]

performance [PAL+TUNERMAIN] MENU [RF AGC BG ADJ 㵘OK] appears when finished.

Adjustment Conditions Adjustment㵘procedure

Adjustment poin

LC-46/52XD1E/RU SUPPLEMENT

2 – 1

LC46XD1E Service Manual

CHAPTER 2. PRINTED WIRING BOARD

[1] D-TUNER UNIT PRINTED WIRING BOARD



 



(

)

D-TUNER Unit

(Component Side-A)

D-TUNER Unit

(Chip Parts Side-A)

R211

R213

R215

R216

R217

R219

R220

R221

R222

R223

R224

R225

R232

R236

R239

C201

C204

C206

C207

C209

R245

R246

R247

R248

R249

C210

C211

X202

C214

R251

C215

R252

C216

C217

R259

C221

C224 C225

C226

R263

R264

R265

C230

R271

C235

C236

C238

C239

C241

C243

C244

C245

C246

C248

C249

C250

C251

C252 C254

C256

C257 C258

C259

C260

C261

C262

C263

D203

C264

D204

C265

C266

C267

IC201

IC202

IC204

IC205

IC206

IC207

IC208

LUG201

LUG202

LUG203

Q205

Q209

L201

L202

L206

L207

L208

L212

FL201

FL202

R205

LC-46/52XD1E/RU SUPPLEMENT

2 – 2



 



(

)

D-TUNER Unit

(Component Side-B)

D-TUNER Unit

(Chip Parts Side-B)

R210

R212

R214

R218

R226

R227

R228

R229

R230

R231

R233

R234

R235

R237

R238

C202

C203

R240

R241

C205

R242

R243

C208

R244

C212

C213

R250

C218

C219

C220

C222

C223

C227

C228

C229 C231

C232

C233

C234

C237

C240

C242

C247

R286

R287

R288

C253

R291

C255

R292

R293

R294

R295

D201

D205

D206

D207

C268

C269

C274

C275

C276

C277

C278

C279

IC203

IC209

Q203

Q204

Q210

Q211

Q212

L203

L204

L205

FB201

R201

R202

R203

R204

R206

R207R208

R209

LC-46/52XD1E/RU SUPPLEMENT

2 – 3

— MEMO —

LC-46/52XD1E/RU SUPPLEMENT

3 – 1

LC46XD1E Service Manual

CHAPTER 3. SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIA-

GRAM

VOLTAGE MEASUREMENT CONDITION:

1. The voltages at test points are measured on exclusive AC adaptor

and the stable supply voltage of AC 230V.

Signals are fed by a colour bar signal generator for servicing pur-

pose and the above voltages are measured with a 20k ohm/V

tester.

INDICATION OF RESISTOR & CAPACITOR:

RESISTOR

1. The unit of resistance “Ω” is omitted.

(K=kΩ=1000 Ω, M=MΩ).

2. All resistors are ±5%, unless otherwise noted.

(K= ±10%, F= ±1%, D= ±0.5%)

3. All resistors are 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

REGARDED AS POTENTIAL SHOCK HAZARDS

WHEN THE CHASSIS IS OPERATING.

IMPORTANT SAFETY NOTICE:

PARTS MARKED WITH “ ” ( ) ARE

IMPORTANT FOR MAINTAINING THE SAFETY OF THE

SET. BE SURE TO REPLACE THESE PARTS WITH

SPECIFIED ONES FOR MAINTAINING THE SAFETY AND

PERFORMANCE OF THE SET.

LC-46/52XD1E/RU SUPPLEMENT

3 – 2

[2] SCHEMATIC DIAGRAM



 



(

)

D-TUNER Unit

LC-46/52XD1E/RU SUPPLEMENT

3 – 3

      

AND SHADED COMPONENTS=SAFETY RELATED PARTS

LC-46/52XD1E/RU SUPPLEMENT

3 – 4

— MEMO —

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