2041 LCD

20.1” LCD TV Service Manual20.1” LCD TV Service Manual

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LT-2041BPE

T F T L C D T V & M O N I T O RT F T L C D T V & M O N I T O R


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◈ T R O U B L E S H O O T I N G

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LT-2041BPE RD(1) 00 06/1 1/ 13 3/22

:[A ] No Power

Check 5V,ST_5V,1 2V, of Power B/D

Check output ofIC1 05, I C1 03

or

Check P1 1 0

Check LED

No Power

Pas Check Output of

Change I C1 06,Q 1 06,QFail

Pas

Change I C1 05, I C1 03 or I C1 08,

Fail

Fail

Change LED Fail

< 1 >


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No Raster on Component

Check the input/ output of IC00 1

Re-soldering or Change the defect

part Check IC00 1,X00 1, IC00

Fail

Check input source cable and jack = > L V D S

Repeat [A]Process

Pass

Check the signal of P301 or LVDS cable Change P301, LVDS

cableFail

:[ C] Process

Pass

Pass

Check the R0 13,R015,R018

Re-soldering or Change the defect

part

Fail

Check TMDS AssyRe-soldering or Change the defect part Check

IC 10 1, IC 102,IC201,P101 ,P201

Fail

Pass

Pass

Pass

< 2>


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LT-2041BPE RD(1) 00 06/1 1/ 13 5/22

No Raster on HDM I signal

No Raster on PC signal

Re-soldering or change defect part check R01 0,R003,R004,R008,R005

Pass

Repeat [A]Process

Pass

Repeat [A]Process

Check the signal of AR501 ,AR502,I C501

Check the signalO r R01 0,R008,R005,R003,R004

Change AR501 ,AR502,I C501

:[C ] P roces s

Pass

Pass

Fail

Fail

:[C ] P roces s

Check input source cable and jack = > T M D S

< 3>


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LT-2041BPE RD(1) 00 06/1 1/ 13 6/22

No Raster on AV1 (CVBS) signal

Pass

Repeat [A]Process

Check the signal of R524,C292

No Raster on AV2 (CVBS) signal

Pass

Repeat [A]Process

Check the signal of R551,C291

Check the input/ output of IC 100

Pass

Re-soldering or Change the defect part Check IC 100,X10 1, IC 106

Fail

:[ C] Process

:[ B] Process

Pass Pass

Change R551,C291

Change R524,C292

< 4>


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LT-2041BPE RD(1) 00 06/1 1/ 13 7/22


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LT-2041BPE RD(1) 00 06/1 1/ 13 8/22

Check the output of

TU561 ,Z1 01

Check the output of

R253,R252

No Raster on TV(RF) signal

Check 5V,33V of TU561, Re-soldering

of Change the defect part

Fail

Pass

Repeat [A]Process

:[ B] Process

Pass

Pass

:[ C] Process

Pass

Pass

No Raster on S_VIDEO signal

Repeat [A]Process

Pass

Pass

Pass

Change R253,R252

Fail

< 5>


No Sound AV1

Check the input source

Change source

Fail

Check the speaker Change the speaker

Re-soldering or Change the defect part Check

Re-soldering or Change the defect part Check IC008


No Sound AV2/SVIDEO/COM PON

:[D ] P roces s

Check the inputsourceFail

Pass

Check the signal of

Pass

Check the signal of

Change L507,L504

Change L51 0,L502

Check the speaker

Check the input/output of IC008

Pass


Pass

Check the input/ output of IC202

Pass

Pass

Fail

Fail

Fail

Fail

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< 6>


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LT-2041BPE RD(1) 00 06/1 1/ 13 10/22

No Sound HDM I


Change source input

Fail

Re-soldering or Change the defect part Check IC00 1


Pass

Fail



Pass

Fail

:[D] Process

Pass

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LT-2041BPE RD(1) 00 06/1 1/ 13 1 1 /22

No Sound PC


Change source input

Fail

No Sound (RF)

Check theinput sourceFail

Pass

Check the signal of L205,L206

Pass

Change L205,L206Fail

Pass


Pass

Fail


<8>◈ Block Diagram

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:[D] Process


20.1 inch EU Block Diagram20.1 inch EU Block Diagram

1680X1050

HY5DU283222AQ-4DRAM

LCD & PDPMODULE

Mstar6251A

VCT49X3F

IF

RL

Y Pb Pr

DVIHDCPHDMI

AV1

74LV4052Sound

Swiching IC

UDA1334Audio DAC

LA42152(AMP IC)

Key.IR

M62320PF(I/O Expention)

PC AUDIO RL

X6966D

Y/C

SCART(FULL)

RGB-DTVPC-Analog

24LC16(DDC)

24LC16(DDC)

24LC32(EEPROM )

I2C

I2C

I2C

Y/Pb/Pr

PC-L/R

AV1-L/R

COMP-L/RS-VHS-L/R

Saw Filter

Tuner

S-VHS

VIDEO2COMPONENT

I2C

HD-R/L

SPK-R/L

I2C

V

AV2-CVBS

R,G,B,FB,CVBS

R,G,B,H,V


◈ Adjustment M ode

1. Applicable RangeThis Service Manual is only applicable to the LCD TV which were produced in our

factory

or were produced in accordance w ith our LCD TV.

2. Condition

2. 1 Any adjustment must be done by the appointed procedure.

But, the procedure can be changed after the agreement w ith relevant engineering

department

if the mass productivity is considered.

2.2 Power Supply in Adjustment : Free Voltage.

2.3 Earth Magnetic Field Condition : N il .

2.4 Input Sinal source : Based on Product Standard Manual.

2.5 Heat Run : m inimum 30 m inutes.

2.6 Necessary Equipment in Adjustment : Pattern Generator.

3. Adjustment

3. 1 Outline of Adjustment

The LCD TV is originally designed to do Auto-Adjustment, but the Manual-Adjustment

can be the standard when the error is occurred.

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3.2 Adjustment of Auto Gain

3.2. 1 Adjustment of Component Mode

3.2. 1 . 1 Preparation of Adjustment

Do "Heat Run" more than 30 m inutes in no "RF Signal" condition.■

Connect the Pattern Generator Signal to Component Jack(Y,Pb,Pr) in LCD■

TV.

3.2. 1 .2 Adjustment of Auto Gain/Offset

Change the input mode as Component Input.■

■ Select M ODEL: 480P in Pattern Generator

Select PATTERN : 16 Step Gray in Pattern Generator

Change the mode into Adjustment Mode by pressing the F2 Key■

on the Service Remocon(During 5~6 sec, Push Menu Button in Remocon and

Menu Button in TV Set) and go to OPTION 2 Menu and press VOL+ Key

in ATADC Manu.

After completion the adjustment, store it by pressing the ENTER Key and■

finish the adjustment.

3.2.2 Adjustment of PC Mode

3.2.2. 1 Preparation of Adjustment

Do "Heat Run" more than 30 m inutes in no "RF Signal" condition.■

Connect the Pattern Generator Signal to 15 Pin D-Sub Jack in LCD TV.■

3.2.2.2 Adjustment of Auto Gain/Offset

Change the input mode as PC Input.■

By using Pattern Generator, select the XGA(1024x768) Resolution and■

adjust the16 Step Gray Signal Pattern

on the Service Remocon (During 5~6 sec, Push Menu Button in Remocon and

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Menu Button in TV Set) and go to OPTION 2 Menu and press VOL+ Key in

ATADC Manu.

Change the mode into Adjustment Mode by pressing the F2 Key■

After completion the adjustment, store it by pressing the ENTER Key and■

finish the adjustment.

4. How to set up the O P T I O N 4. 1 How to do Aging

Change the mode into Adjustment Mode by pressing the F2 Key■on the Service Remocon (During 5~6 sec, Push Menu Button in Remocon and Menu Button in TV Set) and go to OPTION 2 Menuand press VOL+ Key in ISM Manu.

4.2. How to select ACOFF OPTION ACOFF Function : The unit w ill be POWER OFF if there are no input■ by KEY or

REMOCON in about 2 hours later after the POWER ON by AC Power Source.

(The unit w ill not be turned off if the unit were POWER ON by the KEY or REMOCON .)

■ Change the mode into Adjustment Mode by pressing the F2 Keyon the Service Remocon(During 5~6 sec, Push Menu Button in Remocon and Menu Button in TV Set) and go to OPTION 3 Menu

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and press VOL+ Key in SYS Manu.[ ACOFF = > 1 (No "POWER OFF" mode) , ACOFF = > 0 ("POWER

OFF" mode) ]

5. Adjustment of WH I T E B A L A N C E & S U B B R I G H T Change the mode into Adjustment Mode by pressing the F2 Key■on the Service Remocon(During 5~6 sec, Push Menu Button in Remocon and Menu Button in TV Set) and go to SERVICE 1 . .Adjust the WHITE BALANCE (CR, CG, CB, WR, WG, WB)Adjust the SUB BRIGHT (S-BRI)

6. Return to Original Factory Adjustment M ode

Press the F6 Key on the Service Remocon(Adjustment Remote Control Unit)■

about 3~5 seconds and then the unit w ill be POWER OFF .

No

Item Condition Remark

1 Power Off2 Input Mode TV3 Volume Level 304 Sound Mute Off5 ARC 16 :95 Picture APC STANDARD

COLOUR TEMP M ID6 Sound ASC STANDARD

Balance 07 TI MER Off timer off

On timer offAuto off off

◈ Part Lists

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LT-2041BPE RD(1) 00 06/1 1/ 13 16/22

SEQ DESCRIPTION SPECIFICATION LOCATION NO. Q'TYRL06MT [LCD] MAIN PCB SMD TOP COMMON 551

OTT01 MAIN PCB RL06MT 1OTT03 IC DDR 128MBit (4*32) DDR SDRAM K4D263238(SAMSUNG) IC002; 1OTT04 IC Dual 4-channel analog multiplexer74LV4052 IC008; 1OTT05 IC Low power audio DAC UDA1334BTS IC003; 1OTT06 IC EEPROM 24LC32BT-I/SN 3.3V IC106; 1OTT07 IC EEPROM 24LC16BT-I/SN 3.3V IC402,IC501; 2OTT08 IC VCT49X3F-XX-F2 IC VCT49X3F-XX-F2 IC100; 1OTT09 IC VOLTAGE DETECTOR KIA7027AF IC108; 1OTT10 IC I/O EXPANDER M62320FP IC107; 1OTT11 FET-CHIP BSS83 IC109,IC110; 2

OTT12IC Quad Analog Switch/QuadMultiplexer

HEF4066BT (MC14066) IC403; 1

OTT13 IC MOSFET (DULA-P.CH) SI4925DY IC652; 1OTT14 IC REGULATOR LM1117-1.8V IC007; 1OTT15 IC REGULATOR LM1117-2.5V IC004,IC005; 2OTT16 IC REGULATOR LD1086DT18 IC105; 1OTT17 IC REGULATOR AZ1085S_3.3E1 IC651; 1OTT18 IC REGULATOR LD1086DT33 IC103; 1OTT19 LVDS_CON30P_single FW12523-30A P301; 1

OTT20 SWITCHING NPN TR 2SC3052 (C3875)Q105,Q108,Q109,Q192,Q501,Q502,Q504,Q651;

8

OTT21 SWITCHING PNP TR 2SA1235A (A1504 ) Q191,Q503, 2OTT22 SWITCHING NPN TR C3881 Q561; 1OTT23 ZENER DIODE UDZS TE-17 5.6B ZD506; 1OTT24 CHIP RESISTOR ARRAY MNR14E0AB J220 (A22) AR001,AR002,AR110,AR501,AR502; 5

OTT26 CHIP RESISTOR ARRAY MNR14E0AB J750 (A75)AR004,AR005,AR006,AR007,AR008,AR009,AR010,AR011,AR012,AR013,AR014;

11

OTT27 CHIP CERAMIC CAP. / 1608 1608COG 150K500NRB (15pF) C094; 1OTT28 CHIP CERAMIC CAP. / 1608 1608COG 220K500NRB (22pF) C051,C052; 2OTT29 CHIP CERAMIC CAP. / 1608 1608COG 240K500NRB (24pF) C123,C124; 2OTT30 CHIP CERAMIC CAP. / 1608 1608COG 101K500NRB (100pF) C511,C514,C517,C520; 4OTT31 CHIP CERAMIC CAP. / 1608 1608COG 221K500NRB (220pF) C273,C274,C523;C550 4OTT32 CHIP CERAMIC CAP. / 1608 1608COG 331K500NRB (330pF) C275,C276,C524;C551 4

OTT33 CHIP CERAMIC CAP. / 1608 1608COG 471K500NRB (470pF)

C279,C280,C285,C289,C503,C504,C505,C506,C512,C513,C515,C516,C518,C519,C521,C539;

16

OTT34 CHIP CERAMIC CAP. / 1608 1608COG 102K500NRB (1nF) C009,C018,C172; 3

OTT35 CHIP CERAMIC CAP. / 1608 1608COG 822K500NRB (8200pF)C139,C140,C186,C187,C188,C189;

6


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LT-2041BPE RD(1) 00 06/1 1/ 13 17/22

SEQ DESCRIPTION SPECIFICATION LOCATION NO. Q'TY

OTT36 CHIP CERAMIC CAP. / 1608 1608COG 103K500NRB (10nF)C026,C081,C082,C567,C568,C569,C570,C059;

8

OTT37 CHIP CERAMIC CAP. / 1608 1608X7R 273K500NRB (27nF) C561; 1

OTT38 CHIP CERAMIC CAP. / 1608 1608X7R 473K500NRB (47nF)C007,C010,C012,C015,C017,C092;

6

OTT39 CHIP CERAMIC CAP. / 1608 1608X7R 104K500NRB (100nF)

C002,C005,C006,C008,C011,C013,C014,C016,C019,C021,C022,C023,C025,C027,C028,C029,C030,C031,C033,C034,C035,C036,C037,C038,C039,C043,C045,C046,C047,C048,C049,C053,C056,C057,C058,C060,C061,C062,C063,C065,C066,C067,C068,C070,C071,C072,C073,C074,C075,C088,C083,C084,C101,C104,C106,C108,C109,C111,C116,C117,C118,C119,C120,C122,C125,C128,C130,C132,C134,C141,C143,C153,C154,C156,C157,C158,C160,C162,C163,C165,C166,C171,C181,C182,C247,C264,C291,C292,C301,C401,C502,C507,C540,C564,C566,C651,C653,C671,C194;

99

OTT40 CHIP CERAMIC CAP. / 1608 1608X7R 334K500NRB (330nF)C090,C096,C078,C085,C097,C089,C087,C086,C135,C136,C137,C138,C522,C538;

14

OTT41 SMD ALUMINUM ELEC CAP 22uF/16V, D55, 4*5.4

C001,C003,C004,C024,C032,C041,C050,C054,C103,C105,C107,C110,C112,C121,C126,C127,C129,C131,C133,C144,C152,C155,C164,C526,C527,C277;

26

OTT42 SMD ALUMINUM ELEC CAP 470uF/16V, J10, 10*10 C562,C668; 2

OTT43 SMD ALUMINUM ELEC CAP 100/16V, F60, 6.3*5.4C020,C093,C159,C528,C652,C672;C525,C193

8

OTT44 SMD ALUMINUM ELEC CAP 47uF/25V, E55, 5*5.4

C040,C042,C055,C064,C069,C091,C145,C149,C501,C508,C095,C076,C077,C080,C265,C302;

16

OTT45 SMD ALUMINUM ELEC CAP 4.7uF/50v, E55,5*5.4 C266,C268,C102,C565, 4OTT46 SWITCHING DIODE MC2836(KDS181) D601; 1OTT47 SWITCHING DIODE MC2838 (KDS184 ) D505; 1

OTT48 SWITCHING DIODE MC2837 (KDS226)D402,D403,D404,D405,D406,D407,D408,D409,D410,D411,D412,D413,

12


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LT-2041BPE RD(1) 00 06/1 1/ 13 18/22

SEQ DESCRIPTION SPECIFICATION LOCATION NO. Q'TY

OTT49 CHIP FERRITE INDUCTOR FI-C3216-223KJT (22uH)L012,L013,L108,L109,L111,L117;

6

OTT50 CHIP FERRITE INDUCTOR FI-C3216-103KJT (10uH)L205,L206,L502,L503,L504,L506,L507,L508,L510,L511;

10

OTT51 CHIP FERRITE INDUCTOR FI-B2012-332KJT (3.3uH) L203,L204,L509;L550 4OTT52 CHIP FERRITE INDUCTOR FI-C3216-102KJT (1uH) L551; 1

OTT53 CHIP FERRITE BEADS HH-1M3216-501JT (B-501)

L001,L002,L003,L004,L005,L006,L007,L008,L009,L010,L011,L101,L102,L103,L104,L105,L106,L107,L113,L114,L115,L116,L207,L501,L505,

25

OTT54 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 390 (1% )Ω R026; 1

OTT55 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 0Ω

R134,R145,R148,R149,R561,R574,R613,R617,R620,R626,R627;R611,R045,R027,R028,R029,R030,R031,R051,R039,R041,R040,R034

23


R001,R002,R003,R004,R005,R007,R008,R010,R013,R015,R018,R021,R023,R032,R033,R037,R038;R106,R107,R108,R109,R116,R117,R122,R123,R126,R142,R143,R164,R165,R260,R401,R410,R502,R537,R301,R302,R303,R304,R305,R306,R307,R308,R309,R310,R311,R312,R313,R314,R315,R316,R317,R318,R319,R320;

55

OTT57 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 33Ω R571,R618,R619,R623,R632, 5OTT59 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 56Ω R566; 1

OTT60 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 75ΩR503,R504,R505,R507,R508,R517,R519,R520,R521,R522,R538;

11

OTT61 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 82Ω R251,R252,R253,R254,R523,R524;R550,R551

8


R016,R050,R052,R102,R118,R119,R120,R121,R124,R131,R136,R137,R138,R139,R140,R141,R151,R154,R155,R160,R161,R162,R163,R169,R172,R173,R180,R208,R211,R212,R259,R262,R324,R325,R412,R413,R414,R415,R416,R560,R564,R565;

42

OTT63 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 150Ω R060,R527,R529; 2OTT64 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 220Ω R191,R192,R653; 3OTT65 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 330Ω R511,R515;R231,R238; 4


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LT-2041BPE RD(1) 00 06/1 1/ 13 19/22

SEQ DESCRIPTION SPECIFICATION LOCATION NO. Q'TYOTT66 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 470Ω R528 1OTT67 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 820Ω R568; 1

OTT68 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 1KΩ R035,R036,R101,R132,R144,R239,R510,R655,R532;

9

OTT69 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 1.6KΩ R567; 1OTT70 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 2KΩ R261,R263,R569; 3OTT71 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 2.2KΩ R612,R614; 2OTT72 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 2.7KΩ R112,R113; 2OTT73 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 3KΩ R237,R240; 2OTT74 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 3.3KΩ R114,R115; 2

OTT75 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 4.7KΩ R153,R175,R176,R183,R193,R194,R195,R540

8

OTT76 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 7.5KΩ R563; 1

OTT77 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 10KΩR020,R182,R402,R411,R417,R501,R506,R530,R531,R536,R539,R654,R061,R062;

14

OTT78 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 20KΩ R525,R526; 2OTT79 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 22KΩ R022,R135,R181 3OTT80 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 47KΩ R512,R514; 2OTT81 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 62KΩ R518; 1OTT83 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 75KΩ R572; 1

OTT84 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 470KΩ R255,R256,R509,R513,R516,R541;

6

*[미 삽 ] *[미 삽 ]

C191,C192,C571,R025,R046,R047,R048,R049,R110,R111,R125,R146,R147,R150,R573,C284,R167,AR016,AR017,D601;Q601;R601,R166

미 삽

RL06MT [LCD] MAIN PCB MANUAL INSERT COMMON 34OTM01 SAW FILTER X6966D SAW FILTER X6966D (TFS36F) Z101; 1OTM02 HDMI-Connector HDMI_21P(DC1R019NDA) P501; 1

OTM03 D-SUB CONNECTORDSH03B-15F-BK-SlongNUT

P502; 1

OTM04 S-VIDEO JACK PSJ 008A P506; 1OTM06 IC AUDIO POWER AMPLIFIER LA42152L(15WX2) IC202; 1OTM07 HEAT SINK YW-73-RED060531 (65*21.95*15) IC202; 1OTM08 SCREW 나 사 3*8 : 1BPF0302616 IC202; 1OTM09 EARPHONE-JACK TSH-3555FI PBT P504; 1OTM10 CHOKE COIL CHOKE COIL 10UH L552; 1OTM12 ELECTRO CAP. 1000uF/25V, GR SERIES ??X?? C269, 1OTM13 WAFER 12P SMW200-12P (2.0mmP) P651; 1OTM14 WAFER SMW200 SERIES 4P SMW200-04P (2mm 4P S/T DIP) P107,P109,P110; 3OTM15 WAFER 2P SMW200-02P (2.0mmP) P602; 1OTM16 WAFER 3P SMW200-03P (2.0mmP) P601; 1OTM17 RESISTOR RD 1/2W / 2.2 ohm R233,R234,R235,R236; 4OTM18 CRYSTAL (DIP)_49U 14.31818MHZ (16pF,20ppM) X001; 1OTM19 CRYSTAL (DIP)_49U 20.25MHZ (16pF,20ppM) X101; 1OTM20 ZENER DIODE 33V/0.5W, MTZ J 33B ZD561; 1OTM21 ZENER DIODE 8.2V/0.5W, MTZ J 8.2B ZD191; 1


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LT-2041BPE RD(1) 00 06/1 1/ 13 20/22

SEQ DESCRIPTION SPECIFICATION LOCATION NO. Q'TYOTM22 MPE FILM CAP. PEI123J1HA (0.012uF_MYL) C553,C554; 2OTM23 MPE FILM CAP. PEI104J1HA (0.1uF_MYL) C267,C270,C271,C272, 4OTM24 RESISTOR RS 2 _2WΩ R196 1

CEMENT RESISTOR CEMENT 1 _5W (5W 1 ) A TYPEΩ Ω R009 1CEMENT RESISTOR CEMENT 2 _5W (RWR-05V2R00) V TYPEΩ R011 1

RL06MT SYSTEM OPTION - EUOTTOPT TUNER TAEW-G051D T561; 1OTTOPT RCA-JACK 2단 6구 (Y,Pb,Pr,V,L,R) RCA-642D4-020 P503 1OTTOPT SCART-JACK UPJ-R1-019 [SHIELD] P505; 1OTTOPT IC SCALER MST6251A-LF-165 IC001; 1

DESCRIPTION SPECIFICATION LOCATION NO. Q'TYRL06KG 20.1" UXGA KEY PCB SMD TOP 7

KGT1 KEY PCB RL06KG 1KGT2 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 0Ω R701, R705; 2KGT3 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 620Ω R703, R704; 2KGT4 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 1.5KΩ R702, R706; 2KGT5 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 3.3KΩ R707; 1

RL06KG 20.1" UXGA KEY KEY PCB MANUAL INSERT 1

KGM1 TACK-SW 140-313B(160g. f) : ST. TYPESW701, SW702, SW703, SW704, SW705,SW706, SW707;

7

KGM2 WAFER 4P CKM1251WR-4P (1. 25 4P A/G DIP) P110; 1

DESCRIPTION SPECIFICATION LOCATION NO. Q'TYRL05IG 20.1" UXGA I R PCB SMD TOP COMMON 11

IGT1 IR PCB (2 LAYER) RL06IG 1IGT2 SWITCHING NPN TR KTC3875S QI101, QI102, QI103; 3IGT3 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 470Ω RI101; 1IGT4 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 1KΩ RI102, RI103 2IGT5 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 4.7KΩ RI104 1IGT6 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 47KΩ RI105, RI106 2IGT7 CHIP CERAMIC CAP. 2012X7R 103K500NRB (10nF) CI101, CI102; 2

RL05IG 20.1" UXGA I R PCB SMD TOP (for HOTEL) 11IGT8 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 470Ω RI108; 1IGT9 CHIP RESISTOR / 1608 CHIP RESISTOR / 1608 / 10KΩ RI109 1IGT10 SWITCHING PNP TR 2SA1235A QI104 1

RL05IG 20.1" UXGA I R PCB MANUAL I NSERT COMMON 2IGM1 LAMP-LED LUEUB30292(K) [BLUE_RED 2 COLOR] DI101; 1IGM2 WAFER 4P CKM1251WR-4P (1. 25 4P A/G DIP) PI101; 1

RL05IG 20.1" UXGA I R PCB MANUAL I NSERT (NORMAL) 3IGM3 Recei ve Modul e ROM-WT138TM2(N) IC101; 1

RL05IG 20.1" UXGA I R PCB MANUAL I NSERT (for HOTEL) 2IGM4 WAFER 4P CKM1251WR-4P (1. 25 4P A/G DIP) PI102; 1IGM5 Recei ve Modul e ROM-WT156TM2(N) IC101; 1

System Option List


◈ Schematic

M ODEL NAMEDOCUMENT

NOREVISION NO

REVISION DATE

PAGE

LT-2041BPE RD(1) 00 06/1 1/ 13 21/22


◈ Wiring Diagram Schematic

M ODEL NAMEDOCUMENT

NOREVISION NO

REVISION DATE

PAGE

LT-2041BPE RD(1) 00 06/1 1/ 13 22/22


◈ MAIN PCB Dimension

M ODEL NAMEDOCUMENT

NOREVISION NO

REVISION DATE

PAGE

LT-2041BPE RD(1) 00 06/1 1/ 13 23/22


M ODEL NAMEDOCUMENT

NOREVISION NO

REVISION DATE

PAGE

LT-2041BPE RD(1) 00 06/1 1/ 13 24/22

INV_ONNCPWR_ON1 2VGNDGND33VGNDGNDST-5V5V5V


◈ EXPLODE VIEW

M ODEL NAMEDOCUMENT

NOREVISION NO

REVISION DATE

PAGE

LT-2041BPE RD(1) 00 06/1 1/ 13 25/22

2041 LCD

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