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Sharp Aquos LC-20B4M, Service Manual

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Sharp Aquos LC-20B4M Service Manual Download Page 75

Ref. No.

Part No.

★

Description

Code

Ref. No.

Part No.

★

Description

Code

75

LC-20B4M

DUNTKB768FE09 (LC-20B4M)

DUNTKB768FE12 (LC-20B4M(X))

TUNER UNIT (Continued)

R3552

VRS-CY1JF153JY

J 15k

1/16W Metal Oxide

AA

R3553

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3554

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3555

VRS-CY1JF562JY

J 5.6k

1/16W Metal Oxide

AA

R3556

VRS-CY1JF822JY

J 8.2k

1/16W Metal Oxide

AA

R3557

VRS-CY1JF103JY

J 10k

1/16W Metal Oxide

AA

R3558

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3561

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3562

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3564

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3601

VRS-CB1JF222JY

J 2.2k

1/16W Metal Oxide

AC

R3603

VRS-CB1JF222JY

J 2.2k

1/16W Metal Oxide

AC

R3604

VRS-CA1JF222JY

J 2.2k

1/16W Metal Oxide

AA

R3605

VRS-CB1JF824JY

J 820k 1/16W Metal Oxide

AC

R3606

VRS-CB1JF824JY

J 820k 1/16W Metal Oxide

AC

R3607

VRS-CA1JF824JY

J 820k 1/16W Metal Oxide

AB

R3608

VRS-CB1JF562JY

J 5.6k

1/16W Metal Oxide

AC

R3609

VRS-CB1JF562JY

J 5.6k

1/16W Metal Oxide

AC

R3610

VRS-CA1JF562JY

J 5.6k

1/16W Metal Oxide

AA

R3611

VRS-CY1JF563JY

J 56k

1/16W Metal Oxide

AA

R3701

VRS-TW2ED102JY

J 1k

1/4W Metal Oxide

AA

R3703

VRS-CY1JF472JY

J 4.7k

1/16W Metal Oxide

AA

R3705

VRS-TW2ED1R0JY J 1

1/4W Metal Oxide

AB

R3706

VRS-CY1JF682JY

J 6.8k

1/16W Metal Oxide

AA

R3707

VRS-CY1JF332FY

J 3.3k

1/16W Metal Oxide

AA

R3708

VRS-CY1JF472JY

J 4.7k

1/16W Metal Oxide

AA

R3709

VRS-CY1JF105JY

J 1M

1/16W Metal Oxide

AA

R3711

VRS-CY1JF274JY

J 270k 1/16W Metal Oxide

AA

R3712

VRS-CY1JF133FY

J 13k

1/16W Metal Oxide

AA

R3713

VRS-TW2ED102JY

J 1k

1/4W Metal Oxide

AA

R3715

VRS-CY1JF272JY

J 2.7k

1/16W Metal Oxide

AA

R3716

VRS-CY1JF273FY

J 27k

1/16W Metal Oxide

AA

R3717

VRS-CY1JF100JY

J 10

1/16W Metal Oxide

AA

R3718

VRS-CY1JF184JY

J 180k 1/16W Metal Oxide

AA

R3719

VRS-CY1JF123FY

J 12k

1/16W Metal Oxide

AA

R3722

VRS-CE3AF821JY

J 820

1W

Metal Oxide

AC

R3723

VRS-CY1JF102JY

J 1k

1/16W Metal Oxide

AA

R3728

VRS-TV1JD103JY

J 10k

1/10W Metal Oxide

AA

R3729

VRS-CY1JF1R0JY

J 1

1/16W Metal Oxide

AA

R3731

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3734

VRS-TQ2BD683JY

J 68k

1/8W Metal Oxide

AA

R3735

VRS-CY1JF223JY

J 22k

1/16W Metal Oxide

AA

R3737

VRS-TW2ED561JY

J 560

1/4W Metal Oxide

AA

R3738

VRS-CY1JF123FY

J 12k

1/16W Metal Oxide

AA

R3739

VRS-CY1JF222JY

J 2.2k

1/16W Metal Oxide

AA

R3740

VRS-CY1JF182FY

J 1.8k

1/16W Metal Oxide

AA

R3741

VRS-CY1JF122FY

J 1.2k

1/16W Metal Oxide

AA

R3742

VRS-CY1JF682FY

J 6.8k

1/16W Metal Oxide

AA

R3743

VRS-CY1JF122FY

J 1.2k

1/16W Metal Oxide

AA

R3744

VRS-CY1JF243FY

J 24k

1/16W Metal Oxide

AA

R3745

VRS-CY1JF102JY

J 1k

1/16W Metal Oxide

AA

R3746

VRS-CY1JF102JY

J 1k

1/16W Metal Oxide

AA

R3747

VRS-CY1JF123FY

J 12k

1/16W Metal Oxide

AA

R3748

VRS-CY1JF102JY

J 1k

1/16W Metal Oxide

AA

R3749

VRS-CY1JF103FY

J 10k

1/16W Metal Oxide

AA

R3750

VRS-CY1JF391JY

J 390

1/16W Metal Oxide

AA

R3751

VRS-CY1JF473FY

J 47k

1/16W Metal Oxide

AA

R3752

VRS-CY1JF622FY

J 6.2k

1/16W Metal Oxide

AA

R3753

VRS-CY1JF103FY

J 10k

1/16W Metal Oxide

AA

R3754

VRS-TV1JD103JY

J 10k

1/10W Metal Oxide

AA

R3755

VRS-CY1JF103JY

J 10k

1/16W Metal Oxide

AA

R3756

VRS-CY1JF222JY

J 2.2k

1/16W Metal Oxide

AA

R3757

VRS-TW2ED000JY

J 0

1/4W Metal Oxide

AB

R3761

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

R3765

VRS-CY1JF000JY

J 0

1/16W Metal Oxide

AA

MISCELLANEOUS PARTS

å

F3701

QFS-D0008CEZZ

J Fuse, 2A/250V

AE

å

F3702

QFS-D0006CEZZ

J Fuse, 1.25A/250V

AF

FH3701 QFSHD1002CEZZ

J Fuse Holder

AA

FH3702 QFSHD1002CEZZ

J Fuse Holder

AA

FH3703 QFSHD1002CEZZ

J Fuse Holder

AA

FH3704 QFSHD1002CEZZ

J Fuse Holder

AA

FB3701 RBLN-0095CEZZY

J Ferrite Bead

AD

FB3702 RBLN-0095CEZZY

J Ferrite Bead

AD

FB3703 RBLN-0095CEZZY

J Ferrite Bead

AD

FB3705 RBLN-0051TAZZY

J Ferrite Bead

AC

FB3707 RBLN-0254TAZZY

J Ferrite Bead

AB

FB3708 RBLN-0051TAZZY

J Ferrite Bead

AC

FB3709 RBLN-0254TAZZY

J Ferrite Bead

AB

J3303

QJAKJ0047CEZZ

J Headphone

AD

J3404

QJAKG0069CEZZ

J Y/PB/PR(COMPONENT)

AG

J3407

QJAKG0068CEZZ

J AV-IN1 Terminal

AG

J3408

QJAKG0085CEZZ

J AV-IN2/OUT Terminal

AG

J3409

QJAKF0066CEZZ

J Audio(L)/(R)

AE

(COMPONENT)

J3701

QJAKE0193CEZZ

J Power Input(DC13V)

AK

P3301

QPLGN0278GEZZ

J Plug, 2-pin(SL)

AA

P3302

QPLGN0278GEZZ

J Plug, 2-pin(SR)

AA

P3501

QPLGNA071WJZZ

J Plug, 14-pin(MJ)

AC

P3502

QPLGN0558REZZY J Plug, 5-pin(MR)

AE

P3601

QPLGN0478GEZZ

J Plug, 4-pin(CL1)

AB

P3602

QPLGN0678GEZZ

J Plug, 6-pin(CL2)

AB

P3603

QPLGN0378GEZZ

J Plug, 3-pin(VE)

AB

P3604

QPLGN0378GEZZ

J Plug, 3-pin(VF)

AB

P3701

QPLGN0549FJZZY

J Plug, 12-pin(MB)

AE

SC3403 QSOCN0464FJZZY J Socket, 50-pin(MA)

AH

SC3405 QSOCD0456CEZZ

J S-Video

AE

TP3701 QLUGHA002WJZZ

J Lug

AB

TP3702 QLUGHA002WJZZ

J Lug

AB

QCNW-A307WJZZ

J Connecting Cord(VF)

AD

QCNW-A487WJZZ

J Connecting Cord(VE)

AE

QCNW-B310WJZZ

J Connecting Cord(MR)

AF

(LC-20B4M(X))

QCNW-B321WJZZ

J Connecting Cord(MB)

AH

QEARPA460WJFW

J Grounding Part

AB

Summary of Contents for Aquos LC-20B4M

Page 1: ...to those specified should be used CONTENTS IMPORTANT SERVICE SAFETY PRECAUTION 2 SPECIFICATIONS 4 OPERATION MANUAL 5 DIMENSIONS 7 REMOVING OF MAJOR PARTS 8 ADJUSTING PROCEDURE OF EACH SECTION 12 TROUBLE SHOOTING TABLE 18 CHASSIS LAYOUT 22 BLOCK DIAGRAM 24 OVERALL WIRING DIAGRAM 26 DESCRIPTION OF SCHEMATIC DIAGRAM 28 SCHEMATIC DIAGRAM 29 PRINTED WIRING BOARD ASSEMBLIES 56 REPLACEMENT PARTS LIST 68 ...

Page 2: ...Disconnect AC power before servicing TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND Use an AC voltmeter having with 5000 ohm per volt or higher sensitivity or measure the AC voltage drop across the resistor Connect the resistor connection to all exposed metal parts having a return to the chassis antenna metal cabinet screw heads knobs and control shafts escutcheon etc and measure the AC volt...

Page 3: ... 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 contains...

Page 4: ...IGITAL COMB FILTER Brightness Lamp life Viewing angles Audio output Speakers AV1 AV2 IN OUT Component Headphone jack OSD LANGUAGE Power requirement Weight Accessories ITEMS MODEL LC 20B4M 921 600 dots VGA World multi system I DK M BG Auto preset tuning NICAM BG I DK IGR BG Yes Yes S1 S41 ch Hyper Band Yes 430 cd m2 60 000 hours H 170 V 170 Composite Video S Video Audio Composite Video Audio Y PB P...

Page 5: ...ghout this manual are based on the LC 20B4M model Speaker 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 25 degrees to right and left Please adjust the angle so that the TV set can be watched most comfortably Main unit rear view VOL CH MENU TV VIDEO MAIN POWER AN T VID EO S V IDE O AU DIO L R HE AD PH ON ...

Page 6: ... MENU SOUND SU BT IT LE SUBPAGE TEX T RO TA TE WID E T CH VOL MENU SLEEP DIS MODE OK MPX SUBTITLE END HOLD SUBPAGE REVEAL TEXT BRIGHT TV VIDEO POWER SLEEP DIS MODE DISPLAY Press Displays receiving channel for 10 seconds Channel indication reduces in size after about 10 seconds Press again Removes display CH Selects next higher channel Selects next lower channel Batteries for Remote Control Before ...

Page 7: ...V IN 2 OUT COMPONENT R AUDIO VIDEO L R AUDIO L PR PB Y CH VOL T V VIDEO MENU MAINPOWER PRESET 1 2 POWER INPUT DC13V USE THE SUPPLIED AC ADAPTER PART NO LOCATED ON THE MODEL LABEL 68 6 471 5 300 8 381 5 193 5 188 76 1 420 630 470 3 110 7 249 6 76 1 403 3 100 51 5 100 POWER SLEEP ...

Page 8: ...gle fixing screws 4 pcs 7 Release peel off the tape 8 Detach the connector from each PWB VOL CH MENU TV VIDE O MAIN POWER Cabinet A Cabinet B Stand Terminal Cover S Terminal Cover L 1 4 2 3 5 5 4 2 4 Tuner PWB Inverter A PWB Inverter B PWB Main PWB R C LED PWB Operation PWB 6 Reinforcement Angle 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Tape 7 P4004 P3601 P3602 P3302 P3603 P3603 P701 P2001 P6705 P4001...

Page 9: ...ing screws 3 pcs 12 Remove the tuner PWB fixing screws 3 pcs and detach the chassis frame cover fixing hooks 13 Remove the R C LED PWB fixing screws 2 pcs 14 Remove the operation PWB fixing screws 2 pcs 12 9 10 Inverter A PWB Main PWB Chassis Frame Chassis Frame Cover Tuner PWB Inverter B PWB Operation PWB 14 13 R C LED PWB 11 12 12 ...

Page 10: ...ism diffusion ITO sheets and diffusion panel 18 Remove the lamp fixing holder fixing screws 6 pcs 19 Detach the lamp unit A B 20 Remove the reflection mirror fixing screws 6 pcs 21 19 18 16 17 18 15 15 Back shield PSLDM4685CEFW Reflection Mirror PMiR 0296CEZZ Lamp Fixing Holder LHLDZ2176CEZZ Diffusion Panel PCOVU0107CEZZ ITO Sheet PSHEP0289CEZZ Prism Sheet PSHEP0287CEZZ 20 LCD Panel Unit Reflectio...

Page 11: ...unit SC1202 and LCD panel unit and connect the extended cable QCNW A555WJZZ for service 5 Remove only P701 of the Connecting Cord for connection between Main unit P701 and Tuner unit P3701 and connect the extended cable QCNW B194WJZZ for service 6 Remove the main unit fixing screws 3 pcs a substrate is reversed Main PWB Side B 1 2 4 5 3 6 SC2002 SC3403 P701 SC1204 SC1203 SC1202 P2001 P3701 Tuner P...

Page 12: ... at once and turn on the POWER switch Make sure the process mode K appears at the top left of the screen Then press the CH Ù and VOL keys at once Make sure the adjustment process mode screen shows up To quit this mode turn off the power Or turn off the POWER switch or use the remote controller s OFF key 3 Using the keys for the adjustment process Selecting a reception channel Using the CH ù Ù key ...

Page 13: ...e 2 is within the range shown below If not adjust the NTSC TAMP setting to bring the Y reading within the specified range 3 If the NTSC TAMP setting has been readjusted write down its new setting in the PAL TAMP and SECAM TAMP items manually Model LC20B4M Adjustment value 187 202 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 2 C O M B I A S 9 8 T A M P L 8 1 7 Y D T A H 9 ...

Page 14: ...f adjustment process menu Press the CURSOR LEFT RIGHT keys VOL keys or OK key to select the item 4 I2C DATA 000000000000 I2C DATA WAIT SOUND VPC DPS DAC TUNER OTHERS TEXT 2 The adjustment process menu of the item appears on the screen The settings are now ready to change Screen with SOUND selected SOUND1 VOLUME 0 AVC OFF MSP DATA 0000000000 MSP DATA WAIT 0018H ST 1D ONTA 1 CARRIER MUTE ON SP TEST ...

Page 15: ...the power LED red Entering the adjustment process turns OFF the error detection and turns ON TV This enables the operation check to detect errors in the lamp or lamp circuit Check whether ERROR NO RESET on line 4 page 1 of the adjustment process is 1 or more If it is 1 or more it indicates the lamp error detection was executed 6 2 2 Resetting of the lamp error count After confirming that the lamp ...

Page 16: ... your desire level When you set to FIXED the sound volume which you just set is fixed 3 REMOTE CONTROL RESPOND LIMITED If you set LIMITED remote control keys of POWER CH ù Ù VOL and BRIGHT keys are responded but other keys are not responded This is a position that you can not make MENU adjustments 4 USER CONTROL RESPOND NO RESPOND NO RESPOND means that the TV does not respond when you press a user...

Page 17: ...his mode no picture but the OSD appears But the channels and sound volume can still be changed To quit this mode press the BRIGHT key on the remote control again and select any item other than BRIGHTNESS OFF 9 RESET You can cancel all Public Mode settings It returns to the factory setting 10 ENTER You make sure after you have specified all functions then press the enter key Unless otherwise you pr...

Page 18: ...ms at pins 8 9 26 and 27 of IC1201 as specified Check IC1201 and its peripheral circuits as well as the LCD panel voltage and waveform Check the related lines IC801 itself and its peripheral circuits Are the waveforms at the signal input pins of IC801 as specified TV Composite Pin 73 S Video Pins 72 and 73 Component Pins 1 2 3 and 75 Check the IC801 signal input line Check IC801 and its peripheral...

Page 19: ...he R G and B line Is input at pin 21 of IC1601 normal Check V2V0 line and its peripheral parts Check IC1601 and its peripheral parts Are inputs at Pins 71 and 72 of IC801 as specified Check SC3405 SY line SC line and peripheral parts Is input at Pins 4 5 6 and 75 of IC801 as specified Check J3404 DVD Y line PB line PR line and peripheral parts Are voltages at Pins 6 7 and 9 of tuner as specified C...

Page 20: ...nction Is Pin 120 of IC1201 at H Are the oscillation waveforms at the primary side of T6700 T6702 T6704 T6706 and T6708 as specified Replace F6700 F6701 F6702 F6703 and F6704 Check the line IC1201 and its peripheral parts Check Q6700 6714 T6700 6709 and their peripheral parts Replace the fluorescent lamp and check the oscillation waveform again Is input at Pin 72 of IC801 as specified Check SC3405...

Page 21: ...k the speakers and their peripheral parts Is Pin 55 of IC2001 at L Check the headphone and its peripheral parts Check Q2004 J3303 harness and their peripheral parts Is Pin 58 of IC2001 at L Are outputs at Pins 14 and 15 of IC3501 as specified Check the line in question Check the LMUTE line Check IC3501 IC3304 and its peripheral parts Is output at Pins 15 and 16 of tuner as specified Is input at Pi...

Page 22: ...22 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H CHASSIS LAYOUT MAIN Unit TUNER Unit R C LED Unit OPERATION Unit ...

Page 23: ...23 LC 20B4M 17 16 19 18 15 14 13 12 11 10 INVERTER A Unit INVERTER B Unit ...

Page 24: ...6703 T6708 T6709 Q6706 Q6707 T6704 T6705 T6700 T6701 T6706 T6707 Q6703 Q6704 Q6712 Q6713 REMOTE CONTROL Q6700 Q6701 Q6709 Q6710 RECEIVER HEADPHONE JACK J3303 INVERTER A UNIT NVERTER B UNIT FILTER POWER AMP IC3301 IC3303 IC3305 AUDIO SOUND IC3304 DECODER MSP OFL REVERSE Q3601 COMPONENT INPUT AUDIO SWITCH SWITCH IC3501 Q3501 Q3502 Q3505 INPUT AV2 INPUT OUTPUT AUDIO IN OUT VIDEO IN OUT S VIDEO AV1 IN...

Page 25: ...D TXD L1 SWITCH RX_TX TX_RX IC2003 3 3V REG 3 3V IC705 3 3V REG 3 3V IC707 5V REG 5V IC2004 SW UNIT REMOTE CONTROL RECEIVER IC1611 IC1601 FLASH 4M TELETEXT SRAM 2M CPU IC1612 Q1602 Q1604 Q1606 TEXT R G B AMP MICON IC2001 SYNC SEP IC1101 IC802 GRADATION POWER VPC IC801 IC1201 DPS VIDEO LCD DECODER CONTROLLER RE V SC2002 403 P35 02 P701 P2001 KEY1 KEY2 POW1 POW2 VIDEO SW IC1604 TEXT R G B Q2002 FILT...

Page 26: ...26 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H OVERALL WIRING DIAGRAM ...

Page 27: ...27 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 28: ...erwise noted 4 All resistors are Carbon type unless otherwise noted C Solid W Cement S Oxide Film T Special N Metal Coating 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 the...

Page 29: ...29 LC 20B4M 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM Ë R C LED and OPERATION Unit ...

Page 30: ...30 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 1 7 ...

Page 31: ...31 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 32: ...32 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 2 7 ...

Page 33: ...33 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 34: ...34 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 3 7 ...

Page 35: ...35 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 36: ...36 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 4 7 ...

Page 37: ...37 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 38: ...38 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 5 7 ...

Page 39: ...39 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 40: ...40 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 6 7 ...

Page 41: ...41 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 42: ...42 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë MAIN Unit 7 7 ...

Page 43: ...43 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 44: ...44 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 LC 20B4M ...

Page 45: ...45 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 46: ...46 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 1 4 LC 20B4M X ...

Page 47: ...47 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 48: ...48 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 2 4 ...

Page 49: ...49 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 50: ...50 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 3 4 ...

Page 51: ...51 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 52: ...52 LC 20B4M 8 7 10 9 6 5 4 3 2 1 A B C D E F G H Ë TUNER Unit 4 4 ...

Page 53: ...53 LC 20B4M 17 16 19 18 15 14 13 12 11 10 ...

Page 54: ...54 LC 20B4M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER A Unit ...

Page 55: ...55 LC 20B4M 6 5 4 3 2 1 A B C D E F G H Ë INVERTER B Unit ...

Page 56: ...56 LC 20B4M 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side A PRINTED WIRING BOARD ASSEMBLIES ...

Page 57: ...029 R2029 R2100 R2101 R2039 R2034 C1628 R2033 R2008 R2013 R2022 R2026 IC2004 D2003 C1630 R1629 R2024 R1628 Q2001 R2030 R2027 R2010 R1631 R2025 R2023 C2002 R2016 C2005 R1630 R2020 R2019 R2092 R2017 R1632 R2089 R2001 R2002 R2091 D2002 C1633 C2007 R1647 C1634 R1646 R1660 R1664 C1645 SC2002 IC1616 R1637 R1613 R1663 Q1608 R1661 R1662 TP2040 R1641 R1640 R1642 C1643 R1645 R1639 R1638 C1641 X1601 C1639 FD...

Page 58: ...58 LC 20B4M 6 5 4 3 2 1 A B C D E F G H MAIN Unit Side B ...

Page 59: ...872 IC807 C813 Q808 R876 R835 IC803 R863 R865 R852 C861 R851 R806 C860 R850 C859 C858 R849 R859 C834 C804 C805 C803 IC806 C802 R804 C801 TL1283 C832 R871 R870 C871 R829 IC808 C870 R861 C828 R820 R824 C823 Q804 R817 C815 C831 C821 R815 C814 C810 R830 R7006 C830 C806 C807 TL1205 TL1206 TL1219 IC802 R812 R811 C808 R807 R818 TL1221 TL1223 R809 TL1208 TL1220 TL1222 TL1207 TL1214 TL1212 TL1210 TL1216 TL...

Page 60: ...e A P4004 D4015 D4012 D4022 R4021 C4018 SLD4001 RMC4002 R4029 R4024 D4014 Q4003 Q4007 R4023 R4001 D4011 Q4001 SW4008 SW4007 R4005 R4006 SW4002 SW4003 R4011 R4012 SW4004 SW4006 D4008 D4009 D4010 S4701 P4001 OPERATION Unit Chip Parts Side A QPWBSB770WJN2 OPERATION Unit Side A QPWBSB770WJN2 ...

Page 61: ...61 LC 20B4M 6 5 4 3 2 1 A B C D E F G H TUNER Unit Side A ...

Page 62: ... C3203 R3203 C3202 C3366 R3361 R3360 R3363 R3381 R3379 Q3205 R3216 Q3304 R3365 Q3305 R3366 R3517 R3315 R3390 C3308 C3371 C3360 C3361 C3364 R3364 C3365 C3370 C3362 IC3302 R3368 IC3305 R3322 C3377 C3309 R3319 C3206 R3378 C3313 R3321 C3311 R3329 C3368 R3302 R3317 R3314 R3318 C3209 C3367 C3347 R3326 R3377 C3376 C3315 C3334 C3205 C3310 R3320 C3312 R3324 R3328 R3757 C3369 R3333 IC3303 R3334 C3323 C3320 ...

Page 63: ... R3723 R3738 R3740 FB3703 C3727 Q3705 L3702 Q3701 FB3702 D3701 R3728 R3741 R3743 R3739 C3702 C3712 R3701 R3735 C3736 R3703 FB3709 R3708 C3706 Q3704 Q3702 R3702 Q3703 R3713 C3716 D3702 C3721 C3703 R3705 C3710 R3718 R3717 R3712 C3708 R3711 T3701 FB3705 R3514 C3709 D3710 IC3701 D3703 R3765 R3761 C3738 D3704 R3762 R3760 R3709 FB3708 R3759 FB3707 C3715 C3705 C3704 R3706 C3701 R3758 R3729 D3707 C3718 R3...

Page 64: ...64 LC 20B4M 6 5 4 3 2 1 A B C D E F G H INVERTER A Unit Side A ...

Page 65: ...3 R6709 R6710 FH6705 Q6707 R6727 C6727 D6700 L6704 R6705 R6726 R6725 P6705 Q6704 R6721 C6726 C6714 Q6705 Q6703 FH6702 R6707 C6708 R6706 C6707 R6704 C6709 L6702 FH6703 FH6701 FH6700 C6704 R6703 R6702 C6703 Q6702 T6700 FDC1 T6701 P6700 C6725 L6700 Q6700 R6720 R6700 C6702 Q6701 R6701 T6702 P6701 T6703 T6704 P6702 T6705 FDC4 ...

Page 66: ...66 LC 20B4M 6 5 4 3 2 1 A B C D E F G H INVERTER B Unit Side A ...

Page 67: ...ip Parts Side A C6741 Q6712 Q6713 C6722 R6716 R6717 R6719 R6718 C6723 Q6714 R6724 FH6708 C6740 C6724 Q6709 Q6710 FH6709 R6712 R6723 R6713 C6719 C6717 R6729 R6728 Q6711 D6701 L6706 R6715 C6718 P6706 R6714 FH6707 FH6706 T6706 T6707 P6703 L6708 T6708 T6709 P6704 ...

Page 68: ...S9450A XZ A1 BD IC1202 VHiTC4W66U 1Y J TC4W66FU AE IC1601 VHiSDA5550M 1Q J SDA5550M AZ IC1602 VHiBA05FP 1Y J BA05FP E2 AF IC1603 VHiPST3228N1EY J PST3228NR AB IC1604 VHiMM1501XN 1Y J MM1501XNRE AE IC1605 VHiMM1562FF 1Y J MM1562FFBE AE IC1606 VHiPST3221N1EY J PST3221NR AB IC1607 VHiMM1563DF 1Y J MM1563DFBE AE IC1608 VHiNC7SZ58P 1Y J NC7SZ58P6X AE IC1609 VHiTC7SZ08U 1Y J TC7SZ08FU AE IC1610 VHiLCX15...

Page 69: ...ic AA C820 RC EZA122WJZZY J 22 6 3V Electrolytic AB C821 VCKYTV1CF684ZY J 0 68 16V Ceramic AB C822 RC KZA030WJZZY J 2 2 10V Ceramic AB C823 VCKYTV1CF684ZY J 0 68 16V Ceramic AB C824 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C826 RC EZA123WJZZY J 100 6 3V Electrolytic AC C828 RC KZ1025CEZZY J 1 10V Ceramic AB C829 RC EZA123WJZZY J 100 6 3V Electrolytic AC C830 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C831 RC ...

Page 70: ...04ZY J 0 1 25V Ceramic AA C1650 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C1651 VCCCCY1HH471JY J 470p 50V Ceramic AA C1652 VCCCCY1HH471JY J 470p 50V Ceramic AA C2002 VCKYTV1CF105ZY J 1 16V Ceramic AB C2003 RC KZ0074TAZZY J 10 6 3V Ceramic AF C2004 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C2005 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C2006 VCKYCY1AB105KY J 1 10V Ceramic AB C2007 RC EZA122WJZZY J 22 6 3V Electroly...

Page 71: ...ide AA R1610 VRS CY1JF391FY J 390 1 16W Metal Oxide AA R1611 VRS CY1JF132JY J 1 3k 1 16W Metal Oxide AG R1612 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R1614 VRS CY1JF223JY J 22k 1 16W Metal Oxide AA R1615 VRS CY1JF223JY J 22k 1 16W Metal Oxide AA R1616 VRS CY1JF391FY J 390 1 16W Metal Oxide AA R1617 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R1618 VRS CY1JF102FY J 1k 1 16W Metal Oxide AA R1619 VRS CY...

Page 72: ...6W Metal Oxide AA R2067 VRS CY1JF223JY J 22k 1 16W Metal Oxide AA R2068 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R2069 VRS CY1JF000JY J 0 1 16W Metal Oxide AA R2070 VRS CY1JF472JY J 4 7k 1 16W Metal Oxide AA R2071 VRS CY1JF101JY J 100 1 16W Metal Oxide AA R2072 VRS CY1JF472JY J 4 7k 1 16W Metal Oxide AA R2073 VRS CA1JF153JY J 15k 1 16W Metal Oxide AB R2074 VRS CY1JF101JY J 100 1 16W Metal Oxide A...

Page 73: ...01JY J 100p 50V Ceramic AA C3342 VCCCCY1HH101JY J 100p 50V Ceramic AA C3343 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3344 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3345 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3346 VCKYCY1HB102KY J 1000p 50V Ceramic AA C3349 VCKYCY1EF104ZY J 0 1 25V Ceramic AA C3350 RC KZA041WJZZY J 10 10V Ceramic AC C3351 RC KZ1025CEZZY J 1 10V Ceramic AB C3352 RC EZA127WJZZY J 100 16V ...

Page 74: ...R3339 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R3340 VRS CY1JF103JY J 10k 1 16W Metal Oxide AA R3341 VRS CY1JF561JY J 560 1 16W Metal Oxide AA R3342 VRS CY1JF561JY J 560 1 16W Metal Oxide AA R3343 VRS CY1JF472FY J 4 7k 1 16W Metal Oxide AA R3344 VRS CY1JF104JY J 100k 1 16W Metal Oxide AA R3345 VRS CY1JF104JY J 100k 1 16W Metal Oxide AA R3346 VRS CY1JF152FY J 1 5k 1 16W Metal Oxide AA R3347 VRS CY...

Page 75: ...Y J 2 2k 1 16W Metal Oxide AA R3740 VRS CY1JF182FY J 1 8k 1 16W Metal Oxide AA R3741 VRS CY1JF122FY J 1 2k 1 16W Metal Oxide AA R3742 VRS CY1JF682FY J 6 8k 1 16W Metal Oxide AA R3743 VRS CY1JF122FY J 1 2k 1 16W Metal Oxide AA R3744 VRS CY1JF243FY J 24k 1 16W Metal Oxide AA R3745 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R3746 VRS CY1JF102JY J 1k 1 16W Metal Oxide AA R3747 VRS CY1JF123FY J 12k 1 16W...

Page 76: ...QPLGN0563TAZZY J Plug 5 pin MS AC QCNW A744WJZZ J Connecting Cord MS AE DUNTKB770FE09 LC 20B4M DUNTKB770FE12 LC 20B4M X OPERATION UNIT TRANSISTORS Q4001 VSDTC144EE 1Y J DTC144EE AA Q4003 VSDTC144EE 1Y J DTC144EE AA Q4007 VSUMG4N 1Y J UMG4N AB DIODES D4011 RH PX0419CEZZY J SLEEP Indicator AC D4012 RH EX1271CEZZY J Zener Diode 12V AB D4014 RH PX0421CEZZY J POWER Indicator AD D4015 RH EX1271CEZZY J Z...

Page 77: ... å F6701 QFS D0006CEZZ J Fuse 1 25A 250V AF å F6702 QFS D0006CEZZ J Fuse 1 25A 250V AF 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 QPLGN0155FJZZY J Plug 3 pin HL3 AE P6701 QPLGN0155FJZZY J Plug 3 pin HL4 AE P67...

Page 78: ...B LC 20B4M X 2 1 Not Available Cabinet B 2 2 HiNDPA435WJSA J Model Label LC 20B4M AG 2 2 HiNDPA440WJSA J Model Label LC 20B4M X AG 3 CDAi A045WJ01 J Stand Ass y BR 3 1 GDAi A045WJSA J Stand Base BA 3 2 CDAi 1123CE01 J Stand Joint Ass y BB 3 2 1 Not Available Stand Joint 3 2 2 PSPAZA083WJZZ J Spacer x2 AB 3 3 GCOVA1945CESA J Stand Grip AK 3 4 GCOVAA251WJSA J Support Cover AM 3 5 GDAi A062WJSA J Sup...

Page 79: ...11 22 18 24 24 24 16 15 19 17 24 INVERTER A PWB MAIN PWB 8 9 12 5 2 1 5 7 5 2 3 5 9 5 19 5 8 5 2 2 5 12 5 11 5 10 5 13 5 18 5 TUNER PWB 5 18 5 6 5 5 5 20 INVERTER B PWB 5 1 5 15 5 14 5 16 5 17 5 3 5 5 5 2 5 4 20 13 25 1 2 OPERATION PWB R C LED PWB D E 4 4 2 4 6 25 25 1 4 1 6 1 10 1 4 1 6 1 7 1 10 1 9 1 8 1 4 1 5 1 8 1 5 1 14 1 12 1 14 1 11 1 13 1 13 1 1 1 3 1 1 4 1 7 1 9 25 4 3 4 4 4 5 4 1 ...

Page 80: ...Z J AC Adapter BL ACCESSORIES SPAKCA711WJZZ Packing Case SPAKFA258WJZZ Buffer Material Accessories SPAKPA209WJZZ Wrapping Paper SPAKXA220WJZZ Buffer Material SSAKA0160CEZZ Polyethylene Bag TLABK0001TAZZ Carton Label SERVICE JIGS USE FOR SERVICING QCNW A533WJZZ J Extension Cable 30 pin BA SC1204 LCD QCNW A555WJZZ J Extension Cable 20 pin AU SC1202 LCD QCNW A556WJZZ J Extension Cable 50 pin x2 AU SC...

Page 81: ...ord QACCKA006WJPZ LC 20B4M QACCL0026TAZZ LC 20B4M X AC Adapter UADP 0241CEPZ Antenna Cable QCNWG0008CEPZ Infrared R C Unit RRMCGA160WJSA Packing Case SPAKCA711WJZZ Carton Label TLABK0001TAZZ Buffer Material SPAKXA220WJZZ Buffer Material Accessories SPAKFA258WJZZ Operation Manual TiNS A742WJZZ Cable Clamp 2 pcs LHLDWA002WJSA AAA size Battery 2 pcs ...

Page 82: ...nsmitted 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 TQ1563 S Jun 2003 Printed in Japan MI KG Design and Production Information Design Japan Production Japan ...

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