Samsung Syncmaster p2370h User manual

LCD-Monitor

Chassis : LS23EFV

LS24EFH

Model : P2370H

P2470H

SERVICEManual

TFT-LCD Monitor Contens

P2370H / P2470H

Refer to the service manual in the GSPN (see the rear cover) for the more information.

1. Precautions

2. Product specications

3. Disassembly and Reassemble

4. Troubleshooting

5. Exploded View & Part List

6. Wiring Diagram

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Contents

1. Precautions.............................................................................................................. 1-1

1-1. Safety Precautions ......................................................................................................... 1-1

1-2. Servicing Precautions..................................................................................................... 1-2

1-3. Static Electricity Precautions .......................................................................................... 1-2

1-4. Installation Precautions .................................................................................................. 1-3

2. Product specications............................................................................................ 2-1

2-1. Feature & Specications................................................................................................. 2-1

2-2. Spec Comparison to the Old Models.............................................................................. 2-2

2-3. Accessories .................................................................................................................... 2-3

2-4. Accessories (Sold separately) ........................................................................................ 2-4

3. Disassembly and Assembly ................................................................................... 3-1

3-1. Disassembly ................................................................................................................... 3-1

4. Troubleshooting ...................................................................................................... 4-1

4-1. Troubleshooting .............................................................................................................. 4-1

4-2. When the power does Not Turn on................................................................................. 4-2

4-3. When the screen is blank (Analog)................................................................................. 4-4

4-4. When a blank screen is displayed (Digital)..................................................................... 4-7

4-5. When a blank screen is displayed (HDMI) ................................................................... 4-10

4-6. Error Examples and Actions ......................................................................................... 4-13

4-7. Adjustment.................................................................................................................... 4-14

5. Exploded View & Part List ...................................................................................... 5-1

5-1. Exploded View

(P2370H) ................................................................................................. 5-1

5-2. Parts List

(P2370H) ......................................................................................................... 5-3

5-3. Exploded View

(P2470H) ................................................................................................. 5-6

5-4. Parts List

(P2470H) ......................................................................................................... 5-8

6. Wiring Diagram........................................................................................................ 6-1

6-1. Wiring Diagram - Main Board ......................................................................................... 6-1

6-2. Wiring Diagram - IP Board.............................................................................................. 6-2

6-3. Connector Functions ...................................................................................................... 6-3

6-4. Cables ............................................................................................................................ 6-3

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GSPN (Global Service Partner Network)

Area Web Site

North America http://service.samsungportal.com

Latin America http://latin.samsungportal.com

CIS http://cis.samsungportal.com

Europe http://europe.samsungportal.com

China http://china.samsungportal.com

Asia http://asia.samsungportal.com

Mideast & Africa http://mea.samsungportal.com

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

Printed in Korea

P/N: BN82-00764A-00

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3-1

3. Disassembly and Assembly

This section describes the disassembly and reassembly sequences for this monitor.

Warning: As this monitor has parts that are sensitive to static electricity, be careful when handling them.

3-1. Disassembly

Caution: 1. Turn the monitor off before beginning the disassembly process.

2. When disassembling the monitor, do not use any metal tools except for the provided jig.

3. Disassemble the monitor carefully as directed in the following procedures.

4. When assembling and disassembling the monitor, the gasket attached to the PCB may be detached

from the PCB. Therefore, make sure to check whether it is attached to the PCB correctly. If it is detached

from the PCB, make sure to reattach it.

Description Photo Screws

1. Placeasoftclothontheoorandplacethe

monitor on it so that the front of the monitor is on

the cloth.

Caution: If you do not tilt the stand and use too

much force to remove it, the connection

pin may break.

2. Hold one edge of the FRONT-COVER and push

it downwards to separate it.

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3-2

3. Disassembly and Assembly

Description Photo Screws

3. Separate the other side in the same way.

4. Lift the REAR-COVER up to separate it.

5. Remove the FFC cable, the LED driver wire, the

function wire and the two hex-head screws, and

separate the DVI shield.

6. Remove the PBA bracket.

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3-3

3. Disassembly and Assembly

Description Photo Screws

7. Separate the inverter and the main PBA from the

PBA bracket.

※The assembly is in the reverse order of disassembly.

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3-4

3. Disassembly and Assembly

Memo

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5-1

5. Exploded View & Part List

5-1. LS23EFVKU/XF - Exploded View

(P2370H)

T0003

M0215

M0014

M0006

M0013

STD

M0027

M0020

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5-2

5. Exploded View & Part List

5-1-1. LS23EFVKU/XF - Parts List (P2370H)

Location No. Code No. Description & Specication Q’ty SA/SNA Remark

M0006 BN96-11906C ASSY SHIELD P-COVER;P2370H,SECC,T0.8 1 SNA

M0013 BN96-12215A ASSY COVER P-REAR;ECOFIT(P2370H),ABS HB, 1 SA

M0014 BN94-03171L ASSY PCB MAIN-STZ,W/W;LS23EFV*,W/W 1 SA

M0020 BN96-10522C ASSY BOARD P;Ecot LED,CT5000-6590C,SEC 1 SA

M0027 BN96-11315A ASSY STAND P-BASE;ECOFIT,ROSE BLACK 1 SA

M0215 BN07-00609A LCD-PANEL;LTM230HT01,SSRZTS,6Bit + Hi-FR 1 SA

M0215 BN44-00308B INVERTER;Ecot21.5,23"W,GH329B,60khz,14 1 SA

STD BN96-09628C ASSY STAND P-BODY;ECOFIT,PC,ROSE BLACK 1 SA

T0003 BN96-09624L ASSY COVER P-FRONT;LS23EF(P2370H),PMMA,P 1 SA

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5-3

5. Exploded View & Part List

5-2. LS23EFVKU/XF - Parts List

(P2370H)

Service Bom (SA: SERVICE AVAILABLE, SNA: SERVICE NOT AVAILABLE)

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

0.1 BN90-02018J ASSY COVER FRONT;LS23EF (P2370H) 1 SNA

..2 T0003 BN96-09624L ASSY COVER

P-FRONT;LS23EF(P2370H),PMMA,P 1 SA

...3 W392 6003-000282 SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SW 1 SA

...3 AB258 BN61-05849A BRACKET-PANEL;P2370H,SECC,T1.0 1 SNA

...3 BN63-01474G FELT-STAND;ECOFIT23"(P2370),T0.35,20,127 1 SNA

...3 CCM1 BN63-02183D COVER-SHEET;Rhcm,PE Vinyl,T0.04,680mm,20 0.5 SNA

...3 M0112 BN63-05423P COVER-FRONT;P2370H,PMMA,PMMA+ABS,H

B,TTP0 1 SNA

...3 T0527 BN68-00798D LABEL-ENERGY,STAR;L/M,W/W,PET,T0.05,9.3, 1 SNA

...3 M0020 BN96-10522C ASSY BOARD P;Ecot LED,CT5000-6590C,SEC 1 SA

....4 M2893 BN39-01164B LEAD CONNECTOR;ECOFIT

LED,UL1571#30,5P,1 1 SA

....4 M0020 BN96-10522A ASSY BOARD P;Ecot,Function Assy,Withou 1 SA

.....5 T0172 BN94-02622R ASSY PCB MISC-ECOFIT,F/PCB,BN96-10522A;E 1 SNA

......6 T0260 BN64-01023A KNOB-CONTROL MIRROR;ECOFIT

23",ABS,HB,WH 1 SNA

......6 T0186 BN64-01024A INLAY-PLATE;P2370,ECOFIT 23",PET SHEET,T 1 SNA

......6 BN74-00025A TAPE-FUNCTION TAPE;DOUBLE FACE

TAPE,Poly 1 SNA

......6 BN74-00026A TAPE-FUNCTION TAPE;DOUBLE FACE

TAPE,Poly 1 SNA

......6 T0174 BN97-03017N ASSY SMD;ECOFIT,F/PCB-SMD 1 SNA

.......7 L0405 0601-002331 LED;SMD,(SIDE VIEW ),WHT,2.04mm 6 SNA

.......7 FAR22 2007-000082 R-CHIP;3.3Kohm,5%,1/10W,TP,1608 1 SNA

.......7 AD480 2203-006618 C-CER,CHIP;2200nF,+80-20%,16V,Y5V,TP,160 2 SNA

.......7 3711-005743 HEADER-BOARD TO

CABLE;BOX,5P,1R,1.25mm,A 1 SA

.......7 BN41-01189A PCB-FUNCTION;Ecot Function PCB,FR-4,2, 1 SNA

.......7 BN81-03258A A/S-MCS-5000 ECOFIT;ECOFIT PROJECT,1209- 1 SNA

0.1 M0002 BN90-02320A ASSY COVER REAR;LS23EF,P2370H 1 SNA

..2 M0013 BN96-12215A ASSY COVER P-REAR;ECOFIT(P2370H),ABS

HB, 1 SA

...3 M0081 6003-001001 SCREW-TAPTYPE;FH,+,B,M3,L8,ZPC(BLK),SW

RC 1 SNA

...3 M0081 6003-001239 SCREW-TAPTYPE;FH,+,B,M4,L10,ZPC(WHT),S

WR 2 SNA

...3 CIS4 BN61-05084A HOLDER-STAND;ECOFIT 23",ACETAL,WHITE 1 SNA

...3 T0060 BN61-05090A SPRING ETC;ECOFIT 23",SK5,T0.5 1 SNA

...3 T0060 BN61-05091A SPRING ETC-STAND;ECOFIT 23",SK5,T0.3 1 SNA

...3 CCM1 BN63-02183D COVER-SHEET;Rhcm,PE Vinyl,T0.04,680mm,20 0.5 SNA

...3 M0111 BN63-05442A COVER-STAND;P2370, ECOFIT

23",PMMA+ABS,H 1 SNA

...3 M0006 BN63-06156A COVER-REAR;Ecot 23",ABS,HB,BK23,H/Glos 1 SNA

...3 BN63-06157A SHIELD-LAMP;P2370H,SPTE,T0.3 1 SNA

0.1 BN91-02922A ASSY LCD;LTM230HT01,Cream-MFM 23" 1 SNA

..2 M0215 BN07-00609A LCD-PANEL;LTM230HT01,SSRZTS,6Bit + Hi-FR 1 SA

0.1 BN91-03700C ASSY SHIELD;LS23EFV*,ECOFIT 1 SNA

..2 CIS1 BN74-00021A TAPE-FILAMENT;Filament tape,clear,#8915, 0.18 SNA

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5-4

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

0.1 M0017 BN91-04468M ASSY CHASSIS-STZ,W/W;LS23EFVKUV/ZA 1 SNA

..2 M0081 6003-001023 SCREW-TAPTYPE;PWH,+,-

,B,M3,L10,ZPC(WHT), 2 SNA

..2 T0562 6046-001014 STAND OFF;#4-40,L6,NI PLT,C3601 2 SNA

..2 M2893 BN39-00419E LEAD CONNECTOR;ECOFIT

25inch,UL1571#30,1 1 SA

..2 M0215 BN44-00308B INVERTER;Ecot21.5,23"W,GH329B,60khz,14 1 SA

...3 M0014 BN94-03208U ASSY PCB MISC-MAIN;LS23EFP*,BN44-00308B, 1 SNA

....4 BN81-04470A A/S-CAPACITOR;NXH Series 220uF/35V 8*11 2 SNA

....4 BN81-04485A A/S-TRANSFORMER;GT-828,燛FD1323 4 SNA

....4 T0174 BN97-03934U ASSY SMD;IPB-M308B/ZB,BN41-0* 1 SNA

.....5 BN81-02499A A/S-FET-SILICON;0505-001902 1 SNA

.....5 BN81-04471A A/S-CAPACITOR;GRM188R71H103K,10nF,10%

,X7 2 SNA

.....5 BN81-04472A A/S-CAPACITOR;GRM188R71H122K,1.2nF,10

%,X 1 SNA

.....5 BN81-04473A A/S-CAPACITOR;GRM1885C1H561J,560pF,5%

,CO 6 SNA

.....5 BN81-04474A A/S-CAPACITOR;GRM188R71A684K,680nF,10

%,X 1 SNA

.....5 BN81-04475A A/S-CAPACITOR;GRM188R71H104K,100nF,10

%,X 2 SNA

.....5 BN81-04476A A/S-

CAPACITOR;GRM188F51E105Z,1uF,-20%~80 3 SNA

.....5 BN81-04477A A/S-CAPACITOR;GRM188R71E473K,47nF,10%

,X7 2 SNA

.....5 BN81-04478A A/S-CAPACITOR;GRM21BR61E475K,4.7uF,10

%,X 4 SNA

.....5 BN81-04479A A/S-RESISTOR;MCR03EZPJ104,100K#,1/10W,16 1 SNA

.....5 BN81-04480A A/S-IC;BD9893F,CCFL Controller 1 SNA

.....5 BN81-04481A A/S-FET;APM4548AK,30V7.4A,-30/-6A, SO-8 2 SNA

.....5 BN81-04482A A/S-ZENER-DIODE;UDZS12B,Vz11.74~12.24V,I 1 SNA

.....5 BN81-04483A A/S-ZENER-DIODE;UDZS16B,Vz15.85~16.51V,I 2 SNA

.....5 BN81-04484A A/S-ZENER-DIODE;UDZS9.1B,Vz8.85V~Vz9.23V 2 SNA

.....5 BN81-04486A A/S-FUSE;CCF1N5TTE,100Vdc, 5A 1 SNA

.....5 BN81-04487A A/S-CONNECTOR;12507WR-12L,1.25mm Pitch,

燛 1.000 SNA

.....5 BN81-04488A A/S-CONNECTOR;35001WR-04L 2 SNA

.....5 M0561 BN81-04489A A/S-PCB;GH329B,REV1.0,110*75,1.0T 1 SNA

.....5 BN81-00608A A/S-DIODE-ARRAY;0407-000122,-,-,-,-,-,- 10 SNA

.....5 BN81-00610A A/S-TR-SMALL SIGNAL;0501-000457,-,-,-,-, 1 SNA

.....5 BN81-00639A A/S-R-CHIP;2007-000308,-,-,-,-,-,- 1 SNA

.....5 BN81-01132A A/S-R-CHIP;2007-000090 2 SNA

.....5 BN81-01353A A/S-R-CHIP;2007-000060,-,-,-,-,-,- 3 SNA

.....5 BN81-01357A A/S-R-CHIP;2007-000130,-,-,-,-,-,- 2 SNA

.....5 BN81-01358A A/S-R-CHIP;2007-000247,-,-,-,-,-,- 3 SNA

.....5 BN81-01366A A/S-R-CHIP;2007-000910,-,-,-,-,-,- 1 SNA

.....5 BN81-01371A A/S-R-CHIP;2007-001206,-,-,-,-,-,- 1 SNA

.....5 BN81-01982A A/S-R-CHIP;2007-000067 1 SNA

.....5 BN81-01987A A/S-R-CHIP;2007-001096 1 SNA

.....5 BN81-01988A A/S-R-CHIP;2007-001116 1 SNA

.....5 BN81-02528A A/S-R-CHIP;2007-000219 1 SNA

.....5 BN81-02829A A/S-R-CHIP;2007-000026 4 SNA

.....5 BN81-02908A A/S-CHIP-RESISTOR;2007-000052 1 SNA

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5-5

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

.....5 BN81-02952A A/S-CHIP-RESISTOR;2007-000803 1 SNA

.....5 BN81-02954A A/S-CHIP-RESISTOR;2007-000633 1 SNA

.....5 BN81-02959A A/S-CHIP-RESISTOR;2007-000336 1 SNA

.....5 BN81-04507A A/S-R-CHIP;2007-000075 4 SNA

.....5 BN81-04508A A/S-R-CHIP;2007-000103 1 SNA

.....5 BN81-04509A A/S-R-CHIP;2007-000119 1 SNA

.....5 BN81-04510A A/S-R-CHIP;2007-000402 2 SNA

.....5 BN81-04511A A/S-R-CHIP;2007-000726 4 SNA

.....5 BN81-04512A A/S-R-CHIP;2007-000965 2 SNA

.....5 BN81-04513A A/S-R-CHIP;2007-007352 1 SNA

..2 M0131 BN63-00542A GASKET;POSEIDON22,CONDUCTIVE

FAB,10MM,10 1 SNA

..2 M0006 BN96-11906C ASSY SHIELD P-COVER;P2370H,SECC,T0.8 1 SNA

...3 T0073 AA63-00841A GASKET-EMI;HP-P5581,Conductive Fabric,1. 3 SNA

...3 BN61-05592A HOLDER-SUB PCB;P2570,PC+ABS,5V,BK25 1 SNA

...3 M0131 BN63-03474A GASKET;HUBBLE 27",Polyurethane+Polyester 1 SNA

...3 T0073 BN63-04800A GASKET-EMI;T-MFM,Fabric Type,1.5mm,20mm, 1 SNA

...3 BN63-05893C SHIELD-MAIN;P2370H,SECC,T0.8 1 SNA

..2 M0230 BN96-08740R ASSY CABLE P-FFC;ECOFIT P2370H,FFC Cable 1 SA

..2 M0014 BN94-03171L ASSY PCB MAIN-STZ,W/W;LS23EFV*,W/W 1 SA

...3 0202-001463 SOLDER-WIRE;LFC2-W3.0,-,D3,99.79Sn/0.2Cu 15.985 SNA

...3 0202-001608 SOLDER-WIRE FLUX;LFC7-107,D0.8,99.3Sn/0. 0.025 SNA

...3 0204-002420 SOLVENT;1M-1000,C3H70H,96 8.17 SNA

...3 0204-002607 FLUX;DF-234U,13%,14KG,Gravity 0.82 5.317 SNA

...3 3701-001606 CONNECTOR-

DVI;29P,3ROW,FEMALE,STARAIGHT, 1 SNA

...3 JA330 3722-001061 JACK-PHONE;1P,3.6PI,AG,BLK,N 1 SA

...3 3722-002922 JACK-DC POWER;3P,6.7mm,SnPb,Black 1 SNA

...3 BN97-00707A ASSY HDCP;BN46-00018A,BR20/21BS_

CS,MSTAR 1 SNA

....4 BN46-00018A KEY CODE-CERTIFICATE;(HDCP KEY)

PPM42M5S, 1 SNA

...3 T0174 BN97-03664X ASSY SMD;LS23EFV*,BN41-01308A 1 SNA

....4 0202-001477 SOLDER-CREAM;LST309-

M,D20~45um,96.5Sn/3A 1.146 SNA

....4 HD7 0401-000008 DIODE-

SWITCHING;DAN217,80V,100MA,SOT-23, 2 SA

....4 0401-001056 DIODE-SWITCHING;MMBD4148SE,100V,200m

A,SO 3 SA

....4 D0254 0402-000553 DIODE-SCHOTTKY;SS24/

B240,40V,2000mA,DO-2 1 SA

....4 0402-001614 DIODE-RECTIFIER;S1G,400V,1A,DO-214AC,TP 2 SA

....4 0403-000258 DIODE-ZENER;BZX84C5V6,5.2-

6V,225mW,SOT-2 1 SA

....4 0403-001180 DIODE-ZENER;BZX84C6V2,5.8-

6.6V,350mW,SOT 1 SA

....4 MZD1 0403-001411 DIODE-ZENER;5.49-5.73V,200mW,SOD-323,TP 9 SA

....4 0403-001712 DIODE-ZENER;QZX363C6V8,6.47/7.14V,200mW, 1 SNA

....4 D0254 0404-001020 DIODE-SCHOTTKY;BAT54C,30V,200mA,SOT-

23,T 1 SA

....4 D0254 0404-001307 DIODE-SCHOTTKY;SSC54,20V,5000mA,DO-

214AB 1 SA

....4 T0139 0406-001271 DIODE-TVS;RCLAMP0524P,6/-/-V,150W,SLP251 4 SNA

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5-6

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

....4 Q101 0501-000445 TR-SMALL SIGNAL;KTC3875S-

Y,NPN,150mW,SOT 3 SA

....4 PQ02 0501-002080 TR-SMALL

SIGNAL;2SC2412K,NPN,200mW,SC-59 11 SA

....4 Q409 0505-001165 FET-SILICON;Si3443CDV,P,-20V,+-4.4A,65mo 2 SA

....4 Q409 0505-001170 FET-SILICON;FDS9933A,P,-20V,3.8A,0.075oh 2 SA

....4 IC106 1001-001496 IC-VIDEO SWITCH;PI3HDMI1210ABEX,HDMI/

DVI 1 SA

....4 IC107 1002-001482 IC-D/A CONVERTER;WM8521H9GED/

R,16bit,SOI 1 SA

....4 IC112 1103-000129 IC-EEPROM;24C02,2Kbit,256x8,SOP,8P,5x4mm 2 SA

....4 IC112 1103-001310 IC-EEPROM;24LC02B,256X8BIT,SOIC,8P,3.91X 1 SNA

....4 IC112 1103-001410 IC-EEPROM;S-24CS08AFJ-TB-1GE,8Kbit,1Kx8, 1 SA

....4 T0085 1201-002271 IC-AUDIO AMP;APA2068,SOP,16P,150MIL,DUAL 1 SA

....4 1202-000104 IC-VOLTAGE COMP.;393,SOP,8P,150MIL,DUAL, 1 SA

....4 T0087 1203-002835 IC-POSI.FIXED REG.;KIA7805AF,DPAK,3P,6.6 1 SA

....4 T0170 1203-003059 IC-SWITCH VOL. REG.;MP1583,SOIC,8P,4.9x3 2 SA

....4 T0087 1203-003695 IC-POSI.FIXED REG.;NCP1117ST33T3G,SOT-22 2 SA

....4 T0087 1203-003696 IC-POSI.FIXED REG.;NCP1117DT18T5G,DPAK,3 1 SA

....4 1205-003201 IC-BUS SWITCH;TC7WB125FK,SSOP,8P,2x2.3

mm 2 SA

....4 IC109 1205-003765 IC-LCD CONTROLLER;SE859MRD-

LF,PQFP,128P, 1 SNA

....4 1405-001233 VARISTOR;30Vdc,5A,1.6x0.8x0.8mm,TP 3 SA

....4 PR4 2007-000052 R-CHIP;10Kohm,1%,1/10W,TP,1608 2 SNA

....4 KR24 2007-000067 R-CHIP;15Kohm,1%,1/10W,TP,1608 1 SNA

....4 KAR21 2007-000070 R-CHIP;0ohm,5%,1/10W,TP,1608 10 SNA

....4 CER02 2007-000071 R-CHIP;22ohm,5%,1/10W,TP,1608 13 SNA

....4 R863 2007-000073 R-CHIP;91ohm,5%,1/10W,TP,1608 2 SNA

....4 AR30 2007-000074 R-CHIP;100ohm,5%,1/10W,TP,1608 18 SA

....4 RR2 2007-000075 R-CHIP;220ohm,5%,1/10W,TP,1608 2 SA

....4 AR150 2007-000078 R-CHIP;1Kohm,5%,1/10W,TP,1608 5 SA

....4 R331 2007-000079 R-CHIP;1.8Kohm,5%,1/10W,TP,1608 2 SA

....4 FMR4 2007-000080 R-CHIP;2Kohm,5%,1/10W,TP,1608 2 SNA

....4 AVR51 2007-000083 R-CHIP;3Kohm,5%,1/10W,TP,1608 2 SNA

....4 CER04 2007-000084 R-CHIP;4.7Kohm,5%,1/10W,TP,1608 13 SA

....4 MR19 2007-000087 R-CHIP;6.8Kohm,5%,1/10W,TP,1608 1 SNA

....4 MROP1 2007-000090 R-CHIP;10Kohm,5%,1/10W,TP,1608 29 SA

....4 KAR9 2007-000093 R-CHIP;20Kohm,5%,1/10W,TP,1608 3 SNA

....4 AR108 2007-000097 R-CHIP;47Kohm,5%,1/10W,TP,1608 1 SA

....4 ARR2 2007-000102 R-CHIP;100Kohm,5%,1/10W,TP,1608 7 SA

....4 DR10 2007-000113 R-CHIP;33ohm,5%,1/10W,TP,1608 5 SNA

....4 KAR11 2007-000124 R-CHIP;2.2Kohm,5%,1/10W,TP,1608 1 SNA

....4 R15 2007-000134 R-CHIP;33Kohm,5%,1/10W,TP,1608 1 SNA

....4 2007-000211 R-CHIP;1.1Kohm,5%,1/10W,TP,1608 1 SA

....4 R2136 2007-000239 R-CHIP;1.5Kohm,1%,1/10W,TP,1608 1 SNA

....4 MR112 2007-000309 R-CHIP;10ohm,5%,1/10W,TP,1608 10 SA

....4 HR13 2007-000821 R-CHIP;390ohm,1%,1/10W,TP,1608 2 SNA

....4 AR61 2007-000869 R-CHIP;4.7Kohm,1%,1/10W,TP,1608 4 SNA

....4 AAR99 2007-000910 R-CHIP;43Kohm,1%,1/10W,TP,1608 1 SA

....4 AR39 2007-000965 R-CHIP;5.1Kohm,5%,1/10W,TP,1608 2 SA

....4 WR15B 2007-001044 R-CHIP;56ohm,5%,1/10W,TP,1608 2 SA

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5-7

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

....4 AR2 2007-001068 R-CHIP;6.8Kohm,1%,1/10W,TP,1608 1 SA

....4 ZR10 2007-001164 R-CHIP;75ohm,1%,1/10W,TP,1608 3 SNA

....4 R1 2007-002425 R-CHIP;1ohm,5%,1/10W,TP,1608 10 SNA

....4 AC14 2203-000189 C-CER,CHIP;100nF,+80-20%,25V,Y5V,TP,1608 16 SNA

....4 C258 2203-000236 C-CER,CHIP;0.1nF,5%,50V,C0G,1608 3 SA

....4 C134 2203-000257 C-CER,CHIP;10nF,10%,50V,X7R,TP,1608 9 SA

....4 C409 2203-000292 C-CER,CHIP;0.01nF,5%,50V,C0G,1608 2 SA

....4 C3 2203-000384 C-CER,CHIP;0.015nF,5%,50V,C0G,1608 1 SNA

....4 C212 2203-000440 C-CER,CHIP;1nF,10%,50V,X7R,1608 2 SA

....4 ZC14 2203-000626 C-CER,CHIP;0.022nF,5%,50V,C0G,1608 1 SNA

....4 AAC14 2203-000888 C-CER,CHIP;4.7nF,10%,50V,X7R,TP,1608 6 SA

....4 AC28 2203-001607 C-CER,CHIP;0.22nF,5%,50V,NP0,1608 2 SA

....4 C178 2203-002793 C-CER,CHIP;1000nF,+80-20%,25V,Y5V,2012 1 SNA

....4 DC108 2203-005005 C-CER,CHIP;100nF,10%,16V,X7R,1608 47 SC

....4 C100 2203-005065 C-CER,CHIP;1000nF,+80-20%,10V,Y5V,1608 9 SNA

....4 AD480 2203-005437 C-CER,CHIP;10000nF,+80-20%,10V,Y5V,3216 2 SNA

....4 AD480 2203-006333 C-CER,CHIP;10000nF,20%,16V,X5R,TP,3216 4 SNA

....4 AD480 2203-006336 C-CER,CHIP;10000nF,10%,25V,X5R,3216 15 SA

....4 C125 2203-006361 C-CER,CHIP;10000nF,10%,10V,X5R,TP,2012 38 SC

....4 C 2402-001128 C-AL,SMD;100uF,20%,16V,TP,6.3x5.7mm 2 SA

....4 C 2402-001257 C-AL,SMD;470uF,20%,16V,TP,8.3x10mm 1 SA

....4 T0052 2703-001778 INDUCTOR-SMD;3.3uH,20%,3225 1 SA

....4 T0052 2703-002801 INDUCTOR-SMD;3.9uH,20%,7070 1 SA

....4 X202 2801-003667 CRYSTAL-SMD;14.31818MHz,30ppm,28-

AAN,16p 1 SA

....4 T0121 3301-000316 CORE-FERRITE BEAD;120ohm,2012,TP 1 SNA

....4 L2011 3301-001145 BEAD-SMD;60ohm,4516,TP,70ohm/45MHz,82o

hm 2 SNA

....4 T0568 3301-001176 BEAD-SMD;80ohm,2012,TP,-,- 2 SNA

....4 T0568 3301-001404 BEAD-SMD;30ohm,2012,TP,15.9OHM/30MHz 3 SA

....4 T0568 3301-001407 BEAD-SMD;30ohm,1608,300mA,TP,,,0.4ohm 3 SNA

....4 BD401 3301-001569 BEAD-SMD;600ohm,2012,1000mA,TP,520ohm/90 1 SNA

....4 3601-001374 FUSE-SURFACE MOUNT;32V,5A,FAST-

ACTING,Hi 1 SNA

....4 3701-001367 CONNECTOR-HDMI;21P,2R,FEMALE,SMD,AU 1 SA

....4 AC510 3708-001150 CONNECTOR-FPC/FFC/PIC;30P,1mm,SMD-

A,SN,Y 1 SA

....4 3711-005471 HEADER-BOARD TO

CABLE;BOX,12P,1R,1.25mm, 1 SA

....4 3711-005743 HEADER-BOARD TO

CABLE;BOX,5P,1R,1.25mm,A 1 SA

....4 T0010 BN27-00009A COIL CHOKE;SMD 12x12x6,EOS,33uH,15%,0.12 2 SA

....4 T0077 BN41-01308A PCB MAIN;Ecot P2370H,FR-4,2,MP1.0,1.6 1 SNA

....4 BN97-03853R ASSY MICOM-STZ,W/W;LS23EFV*,BN41-

01237B 1 SNA

.....5 IC115 1107-001580 IC-FLASH MEMORY;MX25L4005,4Mbit,512Kx8,S 1 SNA

....4 C802 2203-006348 C-CER,CHIP;1000nF,10%,25V,X5R,TP,1608 1 SA

....4 Q409 0505-001957 FET-SILICON;NTR2101P,P,-8V,-3.7A,0.052oh 1 SA

0.1 BN92-03163Q ASSY LABEL;LS22AQWJFV* W/W 1 SNA

..2 CCM1 BN68-01570A LABEL RATING;ALL,SS,PE,T0.05,90,45,Dark 1 SNA

0.1 BN92-05368H ASSY P/MATERIAL;LS23EFVKUV/ZA 1 SNA

..2 T0214 0203-001595 TAPE-OPP MASKING;OPP-2,0.075,75,800M,CLR 1.67 SNA

..2 6902-000061 BAG AIR;LDPE,T0.2,W500,L1000,TRP,370.000 1 SNA

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5-8

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

..2 6902-000379 BAG AIR;LDPE,T0.2,W1000,L1800,TRP,1260.0 1 SNA

..2 6902-000604 BAG WRAPPING;LDPE,T0.02,W500,L10000,TRP, 1.11 SNA

..2 6902-000609 BAG ROLL;LDPE,T0.05,W2400,L1000,TRP,30.0 0.02 SNA

..2 AA69-04626D PAD-PLATE;CB,SW,1350,870,100g 1 SNA

..2 T0527 BH68-40364A LABEL-SUMMARY;G52,G72,ART,100G,WHT,BL

K,W 1 SNA

..2 BH69-00457C PACKING INNER-00,PAD;COMM,T3.0,880,1320, 1 SNA

..2 T0527 BN68-00129A LABEL SHIPPING-00;LABEL SHIPPING,ART-PAP 1 SNA

..2 BN69-00391P PAD-ANGLE;T4,50,2200,YEL,56g 1 SNA

..2 T0603 BN69-02240C PALLET-

WOOD;P230S,WOOD,W1385,D870,H120,4 1 SNA

..2 T0246 BN69-04153A CUSHION-SET;Ecot 23",EPS,18.2g/l,211g 1 SNA

..2 T0524 6902-000969 BAG PE;HDPE/HDPE/NITRON,T0.015/T0.015/T0 1 SNA

0.1 BN92-05720R ASSY BOX;LS23EFVKU/XF 1 SNA

..2 T0077 BH68-00329D LABEL BAR CODE-02;NO CE,NO WT`Y,MPRII,LA 1 SNA

..2 BH68-00650A LABEL BOX-00;ALL MODEL,MOJO

90G,90,95,WH 1 SNA

..2 BN68-02258N LABEL-STICKER

HIC;MODEL10,CHINA,MOJO,80G 1 SNA

..2 BN69-04192B BOX-04,SET;P2370H,CB,A-01,SW2, ECT40,YEL 1 SNA

..2 M0245 BN96-02895A ASSY MISC P-01,HANDLE PACKING;ALL

MODEL, 1 SNA

...3 BN66-00007A LEVER-TOP;ALL MODEL,LDPE,WHITE,5.8g 1 SNA

...3 BN66-00008A LEVER-BOTTOM;ALL

MODEL,LDPE,WHITE,4.01g 1 SNA

0.1 M0045 BN92-05739U ASSY ACCESSORY;LS23EFVKU/XF 1 SNA

..2 M0114 BN39-00310D CBF SIGNAL-DVI(A);DVI(A) cable,15P/10P,U 1 SA

..2 M0158 BN44-00129C ADAPTOR;SAD4914F-UV,ECOFIT

NORMAL,110/23 1 SA

...3 BN94-03208G ASSY PCB MISC-ADAPTOR,BN44-

00129C;ECOFIT 1 SNA

....4 BN81-02978A A/S-THREAD LOCKER;762,760G,0201-003005 0.001 SNA

....4 BN81-02979A A/S-ADHESIVE SEALANT;TSE3854-

DW,SILICONE 0.005 SNA

....4 BN81-02987A A/S-TAPE PE;73mm(W) * 50M(L) 0.025T UL#E 0.2 SNA

....4 BN81-02989A A/S-DIODE-BRIDGE;0402-000003 1 SNA

....4 BN81-02996A A/S-PHOTO-COUPLER;0604-000001 1 SNA

....4 BN81-02999A A/S-THERMISTOR-NTC;1404-000003 1 SNA

....4 BN81-03032A A/S-CAP-FILM;2305-000012 1 SNA

....4 BN81-03033A A/S-CAP-FILM;2305-000014 1 SNA

....4 BN81-03039A A/S-FERRITE-BEAD FILTER;3301-002073 1 SNA

....4 BN81-03041A A/S-FERRITE-BEAD CORE;3301-002075 2 SNA

....4 BN81-03043A A/S-SCREW-M;6001-000004 2 SNA

....4 BN81-03044A A/S-NUT-HEXAGON;6021-000001 2 SNA

....4 BN81-03045A A/S-HEAT SINK;6203-000008 1 SNA

....4 BN81-03055A A/S-LABEL-HIPOT;MB68-00001A 1 SNA

....4 BN81-03058A A/S-CASE-TOP;MB72-00003A 1 SNA

....4 BN81-03059A A/S-CASE-BOTTOM;MB72-00003B 1 SNA

....4 BN81-03061A A/S-IN-LET;MB75-30002A 1 SNA

....4 BN81-03062A A/S-INSULATION-SHEET;MB75-40001A 2 SNA

....4 BN81-03063A A/S-INSULATOR-RING;MB75-40012A 2 SNA

....4 BN81-04115A A/S-DIODE-SCH;0404-000016 1 SNA

....4 BN81-04116A A/S-DIODE-UF;0409-000010 2 SNA

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5-9

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

....4 BN81-04117A A/S-FET-N MOS;0505-000010 1 SNA

....4 BN81-04120A A/S-SCR;1401-000001 1 SNA

....4 BN81-04121A A/S-VARISTOR;1405-000005 1 SNA

....4 BN81-04122A A/S-RESISTOR-MOR;2001-100003 1 SNA

....4 BN81-04123A A/S-RESISTOR-MOR;2001-100007 1 SNA

....4 BN81-04124A A/S-RESISTOR-MOR;2001-100016 1 SNA

....4 BN81-04132A A/S-CAP-C DS;2201-000001 2 SNA

....4 BN81-04133A A/S-CAP-C DS;2201-000008 1 SNA

....4 BN81-04134A A/S-CAP-C DS;2201-100003 1 SNA

....4 BN81-04137A A/S-CAP-E AL;2401-100005 1 SNA

....4 BN81-04138A A/S-CAP-E AL;2401-400013 1 SNA

....4 BN81-04139A A/S-CAP-E AL;2401-400014 2 SNA

....4 BN81-04140A A/S-CAP-E AL;2401-400015 1 SNA

....4 BN81-04141A A/S-LINE-FILTER;2902-000016 1 SNA

....4 BN81-04142A A/S-LINE-FILTER;2902-000017 1 SNA

....4 BN81-04143A A/S-FUSE;3601-000010 1 SNA

....4 BN81-04144A A/S-JUMP WIRE;3712-000004 1 SNA

....4 BN81-04145A A/S-HEAT SINK;6203-000007 1 SNA

....4 BN81-04146A A/S-LABEL;MB68-00113A 1 SNA

....4 BN81-04147A A/S-INSULATOR;MB75-40003A 2 SNA

....4 BN81-04149A A/S-DC CABLE ASS燛;MB84-20055A 1 SNA

....4 BN81-04150A A/S-TAPE PE;MA02-00017A 0.2 SNA

....4 BN81-04188A A/S-TRANS-PULSE;2602-000011 1 SNA

....4 BN97-03875H ASSY SMD-ADAPTOR,BN44-00129C;ECOFIT,* 1 SNA

.....5 BN81-02988A A/S-DIODE-SWG;0401-000002 1 SNA

.....5 BN81-03001A A/S-THERMISTOR-CHIP;1404-000005 1 SNA

.....5 BN81-03007A A/S-RES-CHIP;2007-300003 1 SNA

.....5 BN81-03008A A/S-RES-CHIP;2007-300005 1 SNA

.....5 BN81-03009A A/S-RES-CHIP;2007-300006 3 SNA

.....5 BN81-03010A A/S-RES-CHIP;2007-300010 1 SNA

.....5 BN81-03011A A/S-RES-CHIP;2007-300012 1 SNA

.....5 BN81-03019A A/S-RES-CHIP;2007-500001 1 SNA

.....5 BN81-03020A A/S-RES-CHIP;2007-500002 3 SNA

.....5 BN81-03021A A/S-RES-CHIP;2007-500012 3 SNA

.....5 BN81-03028A A/S-CAP-C MLCC;2203-100002 1 SNA

.....5 BN81-03030A A/S-CAP-C MLCC;2203-200001 2 SNA

.....5 BN81-03047A A/S-EYELET;6402-000001 5 SNA

.....5 BN81-03048A A/S-EYELET;6402-000002 3 SNA

.....5 BN81-04114A A/S-DIODE-ZENER;0403-000002 1 SNA

.....5 BN81-04118A A/S-IC-PWM CONTROLLER;0904-000010 1 SNA

.....5 BN81-04119A A/S-IC-SHUNT REGULATOR;1203-000001 1 SNA

.....5 BN81-04125A A/S-RES-CHIP;2007-300021 1 SNA

.....5 BN81-04126A A/S-RES-CHIP;2007-300038 1 SNA

.....5 BN81-04127A A/S-RES-CHIP;2007-400008 1 SNA

.....5 BN81-04128A A/S-RES-CHIP;2007-400011 1 SNA

.....5 BN81-04129A A/S-RES-CHIP;2007-400021 1 SNA

.....5 BN81-04130A A/S-RES-CHIP;2007-500016 2 SNA

.....5 BN81-04131A A/S-RES-CHIP;2007-500022 3 SNA

.....5 BN81-04135A A/S-CAP-C MLCC;2203-100007 2 SNA

.....5 BN81-04136A A/S-CAP-C MLCC;2203-200002 1 SNA

.....5 BN81-04148A A/S-PCB-MAIN;MB81-10025A 1 SNA

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5-10

5. Exploded View & Part List

Level Location No. Code No. Description & Specication Q’ty SA/SNA Remark

.....5 BN81-04185A A/S-DIODE-ZENER;0403-000004 1 SNA

.....5 BN81-04186A A/S-DIODE-ZENER;0403-000005 1 SNA

.....5 BN81-04187A A/S-DIODE-ZENER;0403-000006 1 SNA

..2 MASB1 BN96-09628C ASSY STAND P-BODY;ECOFIT,PC,ROSE BLACK 1 SA

...3 T0524 6902-000023 BAG PE;LDPE,T0.08,W150,L120,TRP,1.650g 1 SNA

...3 T0069 BN60-00119B SPACER-FELT;ECOFIT 23"(P2370),FELT,L145, 1 SNA

...3 BN61-05095B STAND-BAR;ECOFIT 23",PMMA,CLEAR(ROSE

BLA 1 SNA

....4 BN61-05094A STAND-BAR IN;P2370, ECOFIT 23",PC CLEAR, 1 SNA

....4 BN61-05410B STAND-BAR A;LB650 19",22",PC,TRD03(ROSE 1 SNA

.....5 BN61-02932E BRACKET-STOPPER NUT;ECOFIT

20,M4,D8,L12, 1 SNA

...3 CCM1 BN63-02183C COVER-SHEET;Rhcm,PE Vinyl,T0.04,200mm,20 0.1 SNA

...3 BN68-02304D LABEL-STICKER;WW,T0.05,50,10,ECOFIT 20"~ 1 SNA

..2 M0027 BN96-11315A ASSY STAND P-BASE;ECOFIT,ROSE BLACK 1 SA

...3 M0081 6003-001001 SCREW-TAPTYPE;FH,+,B,M3,L8,ZPC(BLK),SW

RC 4 SNA

...3 T0524 6902-000109 BAG PE;HDPE,T0.015,W350,L430,TRP,28,2,4. 1 SNA

...3 CIS4 BN61-01717A HOLDER-STAND;BIZET,NI PLT,CH,+,M4,L11(5) 1 SNA

...3 BN61-05087A BRACKET-STAND BOTTOM;ECOFIT 23",SECC

T0. 1 SNA

...3 CCM1 BN63-02183K COVER-SHEET;Rhcm,PE Vinyl,T 0.04,250MM,2 0.3 SNA

...3 BN63-05908A COVER-STAND

BASE;P2370,PMMA+ABS,HB,RD03, 1 SNA

...3 BN63-05909A COVER-STAND BOTTOM;P2370,HIPS,HB,WH13 1 SNA

...3 BN68-02009B MANUAL FLYER-STAND;Ecot,Lavender,Mojo 1 SNA

...3 AR011 BN73-00077A RUBBER FOOT;MATISSE,BUMPON,#13.5,T2.0

,60 4 SNA

...3 BN68-02304C LABEL-STICKER;WW,T0.05,50,10,LAVERDER 19 1 SNA

..2 M0045 BN96-13425F ASSY ACCESSORY;LS23EFVKU/XF 1 SNA

...3 T0268 3903-000455 CBF-POWER CORD;DT,CN,IP3/Y(A),IEC320 C13 1 SA

...3 T0524 6902-000110 BAG PE;LDPE,T0.05,W250,L400,TRP,28,2,9.2 1 SNA

...3 T0527 AA68-00764A LABEL-PASSING;SAMSUNG ALL,ART

PAPER,CLR, 1 SNA

...3 M9889 BN63-02368B CLOTH-CLEAN;cloth,120,160,sea blue,ToC 1 SNA

...3 T0527 BN68-00513A LABEL-E,PASS;ALL MODEL,YUPO(110G),50X15, 1 SNA

...3 BN68-01789A MANUAL FLYER-WARRANTY CARD;Chinese,Art

11 SNA

...3 BN68-01905M MANUAL FLYER-QSG SC;P2370H,SC,Mojo

70g,1 1 SNA

...3 BN68-02186A MANUAL FLYER-TOC

GUIDE;COMM,SAMSUNG,10 L 1 SNA

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1-1

1. Precautions

1-1. Safety Precautions

Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards such as

electrical shock.

1-1-1. Warnings

For continued safety, do not attempt to modify the circuit board.1.

Disconnect the AC power and DC power jack before servicing.2.

1-1-2. Servicing the LCD Monitor

When servicing the LCD Monitor, Disconnect the AC line cord from the AC outlet.1.

It is essential that service technicians have an accurate voltage meter available at all times. Check the calibration of2.

this meter periodically.

1-1-3. Fire and Shock Hazard

Before returning the monitor to the user, perform the following safety checks:

Inspect each lead dress to make certain that the leads are not pinched or that hardware is not lodged between the1.

chassis and other metal parts in the monitor.

Inspect all protective devices such as nonmetallic control knobs, insulating materials, cabinet backs, adjustment and2.

compartment covers or shields, isolation resistorcapacitor networks, mechanical insulators, etc.

Leakage Current Hot Check (Figure 1-1):3.

WARNING : Do not use an isolation transformer during this test.

Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI

C101.1, Leakage Current for Appliances), and Underwriters Laboratories (UL Publication UL1410, 59.7).

With the unit completely reassembled, plug the AC line cord directly into a 120V AC outlet. With the unit’s AC switch4.

rst in the ON position and then OFF, measure the current between a known earth ground (metal water pipe, conduit,

etc.) and all exposed metal parts, including: metal cabinets, screwheads and control shafts.

The current measured should not exceed 0.5 milliamp.

Reverse the power-plug prongs in the AC outlet and repeat the test.

1-1-4. Product Safety Notices

Some electrical and mechanical parts have special safetyrelated characteristics which are often not evident from visual

inspection. The protection they give may not be obtained by replacing them with components rated for higher voltage,

wattage, etc. Parts that have special safety characteristics are identied by on schematics and parts lists. A substitute

replacement that does not have the same safety characteristics as the recommended replacement part might create

shock, re and/or other hazards. Product safety is under review continuously and new instructions are issued whenever

appropriate.

DEVICE

UNDER

TEST

(READING SHOULD)

NOT BE ABOVE 0.5mA

LEAKAGE

CURRENT

TESTER

TEST ALL

EXPOSED METAL

SURFACES

2-WIRE CORD

*ALSO TEST WITH

PLUG REVERSED

(USING AC ADAPTER

PLUG AS REQUIRED) EARTH

GROUND Figure 1-1. Leakage Current Test Circuit

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1-2

1. Precautions

1-2. Servicing Precautions

WARNING: An electrolytic capacitor installed with the wrong polarity might explode.

Caution: Before servicing units covered by this service manual, read and follow the Safety Precautions section of

this manual.

Note: If unforeseen circumstances create conict between the following servicing precautions and any of the

safety precautions, always follow the safety precautions.

1-2-1 General Servicing Precautions

Always unplug the unit’s AC power cord from the AC power source and disconnect the DC Power Jack before1.

attempting to:

(a) remove or reinstall any component or assembly, (b) disconnect PCB plugs or connectors, (c) connect a test

component in parallel with an electrolytic capacitor.

Some components are raised above the printed circuit board for safety. An insulation tube or tape is sometimes2.

used. The internal wiring is sometimes clamped to prevent contact with thermally hot components. Reinstall all such

elements to their original position.

After servicing, always check that the screws, components and wiring have been correctly reinstalled. Make sure that3.

the area around the serviced part has not been damaged.

Check the insulation between the blades of the AC plug and accessible conductive parts (examples: metal panels,4.

input terminals and earphone jacks).

Insulation Checking Procedure: Disconnect the power cord from the AC source and turn the power switch ON.5.

Connect an insulation resistance meter (500 V) to theblades of the AC plug.

The insulation resistance between each blade of the AC plug and accessible conductive parts (see above) should be

greater than 1 megohm.

Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead;6.

always remove the instrument’s ground lead last.

1-3. Static Electricity Precautions

Some semiconductor (solid state) devices can be easily damaged by static electricity. Such components are commonly

called Electrostatically Sensitive Devices (ESD). Examples of typical ESD are integrated circuits and some eld-effect

transistors. The following techniques will reduce the incidence of component damage caused by static electricity.

Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from your1.

body by touching a known earth ground. Alternatively, wear a discharging wrist-strap device. To avoid a shock hazard,

be sure to remove the wrist strap before applying power to the monitor.

After removing an ESD-equipped assembly, place it on a conductive surface such as aluminum foil to prevent2.

accumulation of an electrostatic charge.

Do not use freon-propelled chemicals. These can generate electrical charges sufcient to damage ESDs.3.

Use only a grounded-tip soldering iron to solder or desolder ESDs.4.

Use only an anti-static solder removal device. Some solder removal devices not classied as “anti-static” can generate 5.

electrical charges sufcient to damage ESDs.

Do not remove a replacement ESD from its protective package until you are ready to install it. Most replacement ESDs6.

are packaged with leads that are electrically shorted together by conductive foam, aluminum foil or other conductive

materials.

Immediately before removing the protective material from the leads of a replacement ESD, touch the protective7.

material to the chassis or circuit assembly into which the device will be installed.

Caution: Be sure no power is applied to the chassis or circuit and observe all other safety precautions.

Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes together,8.

or lifting your foot from a carpeted oor can generate enough static electricity to damage an ESD.

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1-3

1. Precautions

1-4. Installation Precautions

For safety reasons, more than two people are required for carrying the product.1.

Keep the power cord away from any heat emitting devices, as a melted covering may cause re or electric shock.2.

Do not place the product in areas with poor ventilation such as a bookshelf or closet. The increased internal3.

temperature may cause re.

Bend the external antenna cable when connecting it to the product. This is a measure to protect it from being exposed4.

to moisture. Otherwise, it may cause a re or electric shock.

Make sure to turn the power off and unplug the power cord from the outlet before repositioning the product. Also check5.

the antenna cable or the external connectors if they are fully unplugged. Damage to the cord may cause re or electric

shock.

Keep the antenna far away from any high-voltage cables and install it rmly. Contact with the highvoltage cable or the 6.

antenna falling over may cause re or electric shock.

When installing the product, leave enough space (10cm) between the product and the wall for ventilation purposes.7.

A rise in temperature within the product may cause re.

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