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LG FLATRON L3000A, Руководство по обслуживанию

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LG FLATRON L3000A Скачать руководство пользователя страница 14

- 14 -

TROUBLESHOOTING GUIDE

1. OUT OF ORDER ON POWER 

POWER LAMP OFF STATE

POWER BOARD OUTPUT CHECK

(5V, 12V, 24V)

KEY CHECK

74LVC541(U25),

CONN(J19)CHECK

OTHER CIRCUIT CHECK

PW166(U8) 

INPUT POWER

CHECK

BA033T(U37)

=>3.3V

LM317(U10)

=>2.5STB

INVERTER

INPUT POWER

CHECK

L53,L54 => 24V

MODULE

INPUT POWER

CHECK PIN 1=>

12VS

IRF7314(U35)

=>LCD-VDD

INVERTER CHECK

MODULE CHECK

M29W800DT(U19)

INPUT POWER

CHECK

BA033T(U37) 

=>3.3V

Содержание FLATRON L3000A

Страница 1: ...L3000A COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 36 FACTORY MODEL L3000AL MODEL L3000A L3000AL AL L3000AL SL ...

Страница 2: ...rtical 56 85Hz Input Form Separate TTL Positive Negative Digital SOG 4 POWER SUPPLY 4 1 Power Adaptor Input AC 100 240V 50 60Hz 2 0A Output DC 5V 0 9A DC12V 1 5A DC18V 1 0A DC24V 5 0A 4 2 Power Consumption 5 ENVIRONMENT 6 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 6 2 Relative Humidity 10 80 Non condensing 6 3 MTBF 30 000 Hours Typ 6 DIMENSIONS with TILT SWIVEL Width 734 mm 28 90 Depth 48...

Страница 3: ...T M D S Data1 T M D S Data1 T M D S Data1 3 Shield T M D S Data3 T M D S Data3 5V Power Ground return for 5V H Sync and V Sync Pin Signal DVI D 1 8 9 17 24 16 16 17 18 19 20 21 22 23 24 Hot Plug Detect T M D S Data0 T M D S Data0 T M D S Data0 5 Shield T M D S Data5 T M D S Data5 T M D S Clock Shield T M D S Clock T M D S Clock T M D S Transition Minimized Differential Signaling DVI D Connector Di...

Страница 4: ... such as pencil or pen as this may result in damage to the panel Protect the module from the ESD as it may damage the electronic circuit C MOS Make certain that treatment person s body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short c...

Страница 5: ...52 V 85 061 631 600 1 3 27 H 49 725 1152 832 32 64 224 V 74 55 667 624 1 3 39 H 48 363 1344 1024 24 136 160 V 60 0 806 768 3 6 29 H 60 123 1312 1024 16 96 176 V 75 029 800 768 1 3 28 H 63 981 1688 1280 48 112 248 V 60 02 1066 1024 1 3 38 H 47 7 1680 1280 66 134 200 V 60 795 768 1 3 23 Mode H V Sort 1 2 3 4 5 6 7 8 9 10 11 12 13 25 175 28 321 25 175 31 5 36 0 40 0 49 5 56 25 57 283 65 0 78 75 108 0...

Страница 6: ... PANEL REAR VIEW OPERATING INSTRUCTIONS L3000A Front Control Panel Rear View Pannel AUDIO Output S Video Connector RCA Cable Connector Factoryadjustment orASPort AUDIO Input D Sub Connector D Sub Connector DVI D Connector Power Cord ...

Страница 7: ...ngs always press the AUTO SELECT button before entering the On Screen Display OSD This will automatically adjust your display image to the ideal settings for the current screen resolution size display mode AUTO SELECT Button 1 2 3 4 5 6 8 7 This function allows you to secure the current control settings so that they cannot be inadvertently changed Press and hold the MENU button and button for 3 se...

Страница 8: ... check if the following parts are all present 1 Take out 2 screws from the rear of the display Parts Temporary Stand Screws Bottom Rubbers 2 As shown in the diagram place the bottom rubbers where you took out the 2 screws and then secure them with those 2 screws 3 Attach the temporary stand as shown ...

Страница 9: ...CN1 CN1 J710 J19 J703 J706 J704 J705 Connector Ass y P N 6631T11016A Connector Ass y P N 6631T20020P Connector Ass y P N 6631T12002P Connector Ass y P N 6631T12002N ...

Страница 10: ...15 CS0N RDN CS1N Data PWD 0 7 PWA 0 19 ROMOE ROMWE ROMWE ROMOE I O expander 74LVC273D Control Signals TMDSTX_PDNN TMDSRX_PDNN R G B Even R G B Odd RGB Digital Signal Even Input Selection Format Converter Circuit Odd ADC AD9883 140 R G B differential Video Signal Processor PW166B 20T Analo g Switch BA 7657F TMDS Receiver SIL161A Control Board Line out L Line out R Audio Processor MSP3420G LCD Modul...

Страница 11: ...IIC Line This IC analyzes input signal of CVBS Y C and outputs analyzed signal 8bit interlace signal to De interlace block Analyzed signal has video control signals like Contrast Brightness Sharpness Color tint signals Including Adaptive Comb Filter 6 Audio Decoder This block is composed of MSP3420G U49 and peripheral devices PW166B 20T controls this IC through IIC Line This IC analyzes Audio inpu...

Страница 12: ...control system For shooting heat trouble we use the DC DC converting IC 11 Power Supply Block This Block generates DC Voltages 5V 12V 18V and 24V to Main Control system from AC Power 100 240 V 50 60 Hz 1 0 A This Circuit contains PFC Power Factor correction circuit The Minimum of Power efficiency is about 75 ...

Страница 13: ...t Mode 2 Adjustment for White Balance 1 Set External Bright to MAX position and Contrast to MAX position 2 Display Color 0 0 pattern at Mode 15 3 Press Menu key Vp key Right key of Remote controller or Menu Buttons in sequence 4 Select WHITE BALANCE ADJUST and Press SET key 5 After INPUT WHITE PATTERN message Display Color 15 0 pattern at Mode 15 6 No attempt to manually adjust BIAS and Drive data...

Страница 14: ...V 12V 24V KEY CHECK 74LVC541 U25 CONN J19 CHECK OTHER CIRCUIT CHECK PW166 U8 INPUT POWER CHECK BA033T U37 3 3V LM317 U10 2 5STB INVERTER INPUT POWER CHECK L53 L54 24V MODULE INPUT POWER CHECK PIN 1 12VS IRF7314 U35 LCD VDD INVERTER CHECK MODULE CHECK M29W800DT U19 INPUT POWER CHECK BA033T U37 3 3V ...

Страница 15: ...PHERAL IC OF LVDS U401 CHECK I O SYNC OF 74LVC257 U5 CHECK AD9883 I O SIGNAL CHECK PW166 U8 I O SIGNAL CHECK LVDS U401 I O SIGNAL POWER CHECK OF 74LVC257 U5 U37 3 3V POWER CHECK OF AD9883 U2 DVDD AVD L11 V33 ADC POWER CHECK OF PW166 U8 BA033T U37 3 3V LM317 U10 2 5STB POWER CHECK OF LVDS U401 L401 3 3V LVDS NO INPUT SIGNAL NO OUTPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL NO INPUT...

Страница 16: ...I O SYNC OF 74LVC257 U5 CHECK SIL161 U201 I O SIGNAL CHECK PW166 U8 I O SIGNAL CHECK LVDS U401 I O SIGNAL POWER CHECK OF 74LVC257 U5 U37 3 3V POWER CHECK OF AD9883 U2 DVDD AVD L11 V33 ADC POWER CHECK OF PW166 U8 BA033T U37 3 3V LM317 U10 2 5STB POWER CHECK OF LVDS U401 L401 3 3V LVDS POWER CHECK OF SIL161 U201 L4 AVCC L5 PVCC L9 DVCC L210 OVCC NO INPUT SIGNAL NO OUTPUT SIGNAL NO OUTPUT SIGNAL NO I...

Страница 17: ... PERIPHERAL IC OF PW166 U8 CHECK SAA7114 U7 I O SIGNAL CHECK SDA9400 U16 I O SIGNAL CHECK PW166 U8 I O SIGNAL CHECK LVDS U401 I O SIGNAL POWER CHECK OF SAA7114 U7 L19 L21 3 3V POWER CHECK OF SDA9400 U16 L23 3 3V POWER CHECK OF PW166 U8 BA033T U37 3 3V LM317 U10 2 5STB POWER CHECK OF LVDS U401 L401 3 3V LVDS NO INPUT SIGNAL NO INPUT SIGNAL NO OUTPUT SIGNAL NO OUTPUT SIGNAL NO INPUT SIGNAL NO INPUT ...

Страница 18: ...20G U49 CHECK SOUND INPUT PC SOUND J7 VIDEO SOUND RDE WHITE OF J702 CHECK THE PERIPHERAL IC CHECK MSP3420G U49 INPUT SIGNAL POWER CHECK OF MSP3420G U49 L34 L35 L36 5V POWER CHECK OF TDA7268 U39 12V POWER CHECK OF PW166 U8 BA033T U37 3 3V LM317 U10 2 5STB NO OUTPUT SIGNAL NO INPUT SIGNAL NO INPUT SIGNAL ...

Страница 19: ...R107 R110 R151 R26 C70 C75 C85 60 RA2 RA24 20 R32 R86 R96 Q19 D29 D30 R177 R187 J3 R9 R13 R10 R14 X3 X4 U19 R137 R138 R155 R27 R25 R33 5 10 L3 R173 R206 C12 D28 C11 SOLDERING DIRECTION J710 1 R403 C38 U6 L27 R37 R125 R99 W Y C74 C76 X2 N P R T U V M L K J H G R126 R91 F E D C B A U8 R35 R208 R219 1 R197 R202 R204 R198 RA5 C67 RA4 RA7 C235 RA6 C10 C9 C106 C107 C410 30 R404 R405 C403 20 RA37 R120 R1...

Страница 20: ... L39 L40 L14 L14 L51 L51 C190 C189 TP455 C313 C139 C151 R200 C165 C166 C160 C157 C135 R199 C164 R88 R89 C170 C162 C161 C163 C167 C169 C168 C133 C134 C29 C28 C27 C811 C224 L49 C119 C810 C174 C206 C219 C214 C209 C56 C208 C213 C242 C212 C211 C210 C181 C180 TP815 C84 C201 C200 C80 C114 ...

Страница 21: ... C3 LED1 R2 R1 ZD2 ZD1 1 Q1 R3 SW8 POWER DATE 2002 11 28 Q14 R19 R21 P N 6870T598C11 MODEL L3000A KEY SW6 SELECT SW4 RIGHT Q12 R13 R15 R17 Q10 SW2 LEFT Q18 SW10 UP Q17 R24 R25 R26 SW9 DOWN SW7 MENU Q15 R22 R20 Q13 R18 SW5 ZD5 SOURCE L1 ZD9 C2 ZD7 ZD6 ZD3 ZD10 ZD11 J1 ZD8 ...

Страница 22: ... 22 EXPLODED VIEW 12 13 14 15 16 17 18 19 b CH VOL VOL SET CH 1 2 5 6 7 11 8 4 9 a a 3 10 a a a a a a a a a a a a a a a a ...

Страница 23: ...EMP L3000AL SL METAL FRAME PWB PCB ASSEMBLY POWER L3000AL POWER TOTAL HAEPYUNG U200 M30LZ1A PWB PCB ASSEMBLY MAIN L3000A ALEUA BRAND CL 36 TOTAL CONNECTOR ASSEMBLY 20P H H 180MM UL20276 I FACE CABLE LB200A SHIELD ASSEMBLY REAR MAIN PAL L3000AL AL SHIELD ASSEMBLY REAR MAIN SILVER_PAL L3000AL SL METAL ASSEMBLY STAND ST3000 BLACK METAL ASSEMBLY STAND ST3000 SILVER PWB PCB ASSEMBLY SUB L3000AL CONTROL...

Страница 24: ...O DESCRIPTION SPECIFICATION C59 0CK473CK56A 47000PF 1608 50V 10 R TP X7 C60 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C61 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C62 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C63 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C64 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C65 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C66 0CH8476K611 47UF 50V 20 85STD CYL R T C67 0CK104CK56A 0 1UF 1608 5...

Страница 25: ...R TP C197 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C198 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R DATE 2002 3 5 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C200 0CH3104K946 100000PF 50V Z F 2012 R TP C201 0CH3104K946 100000PF 50V Z F 2012 R TP C203 0CH8107F611 100UF 16V M 85STD CYL R TP C204 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C208 0CH3104K946 100000PF 50V Z F 2012 R TP C209 0CH3104K946 100000PF 5...

Страница 26: ... 30 D32 0DS226009AA KDS226 TP KEC SOT 23 80V 30 D33 0DS226009AA KDS226 TP KEC SOT 23 80V 30 D34 0DS226009AA KDS226 TP KEC SOT 23 80V 30 DATE 2002 3 5 S AL LOC NO PART NO DESCRIPTION SPECIFICATION D35 0DS226009AA KDS226 TP KEC SOT 23 80V 30 D36 0DS226009AA KDS226 TP KEC SOT 23 80V 30 D37 0DS301109AA MMBD301LT1 TP MOTOROLA SOT23 D38 0DS226009AA KDS226 TP KEC SOT 23 80V 30 D39 0DS226009AA KDS226 TP K...

Страница 27: ...2 102JT CERATECH 201 L68 6210TCE001L HB 1T2012 102JT CERATECH 201 L70 6210TCE001P HB 1S2012 121JT CERATECH 201 L71 6210TCE001P HB 1S2012 121JT CERATECH 201 L210 6210TCE001G HH 1M3216 501 CERATEC 3216MM L401 6210TCE001G HH 1M3216 501 CERATEC 3216MM DATE 2002 3 5 S AL LOC NO PART NO DESCRIPTION SPECIFICATION Q1 0TR162309CA KSC1623 TP SAMSUNG SOT23 NP Q2 0TR162309CA KSC1623 TP SAMSUNG SOT23 NP Q3 0TR...

Страница 28: ...RJ4701D677 4 7K OHM 1 10 W 5 1608 R TP R126 0RJ0000D677 0 OHM 1 10 W 5 1608 R TP DATE 2002 3 5 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R128 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R129 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R130 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R131 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R132 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R133 0RJ1002D677 10K OHM 1 10 W 5 1608 ...

Страница 29: ...08 R TP R268 0RJ2002D677 20000 OHM 1 10 W 5 1608 R T R269 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R270 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R271 0RJ0102D677 10 OHM 1 10 W 5 1608 R TP R272 0RJ0102D677 10 OHM 1 10 W 5 1608 R TP DATE 2002 3 5 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R273 0RJ0102D677 10 OHM 1 10 W 5 1608 R TP R274 0RJ0102D677 10 OHM 1 10 W 5 1608 R TP R275 0RJ0102D677 10 OHM 1 10 ...

Страница 30: ...P R21 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R22 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R24 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R25 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP R26 0RJ2001D677 2K OHM 1 10 W 5 1608 R TP SW2 140 058B EVQ PB2 05K MATUSHITA NON 12 SW4 140 058B EVQ PB2 05K MATUSHITA NON 12 SW5 140 058B EVQ PB2 05K MATUSHITA NON 12 SW6 140 058B EVQ PB2 05K MATUSHITA NON 12 SW7 140 058B EVQ PB2...

Страница 31: ... Red 1 input HD Sync Signal detector Green 1 input Ground Blue 1 input Ground Red 2 input Ground Green 2 input Ground Blue 2 input VD 1 input HD 1 input HD 2 input HD output Red output Vcc Green output Composite video input Sync on Green Composite sync output CTL H IN L IN2 Blue output VD output VD 2 input 1 24 BLOCK DIAGRAM ...

Страница 32: ...round pin SDA I O Bi directional data pin for the I2 C bus serial data interface Schmitt trigger input and open drain output An external pull up resistor must be connected to VCC Typical values for this pull up resistor are 4 7 k 100 kHz and 1 k 400 kHz 3 SCL Input Schmitt trigger input pin for serial clock input 2 WP Input Input pin for hardware write protection control If you tie this pin to VCC...

Страница 33: ... Word Address Pointer Row decoder EEPROM Cell Array 128 x 8 bits 256 x 8 bits 512 x 8 bits HV Generation Timing Control Control Logic Column Decoder Data Register DOUT and ACK SCL WP SDA A0 A1 A2 Figure 2 1 S524A40X10 40X20 40X40 Block Diagram ...

Страница 34: ...2 51 QO22 OCK _INV 100 RESERVED 99 PGND 98 PVCC 97 EXT_RES 96 AV CC 95 RXC 94 RXC 93 AGND 92 RX 0 91 RX 0 90 AGND 89 AV CC 88 AGND 87 RX1 86 RX 1 85 AV CC 84 AGND 83 AV CC 82 RX2 81 RX2 80 AGND 79 OVCC 78 QO23 77 OGND 76 DI FFERENTI AL SI GNAL ODD 8 bits RED EV EN 8 bits RED ODD 8 bits GREEN EV EN 8 bits GRE E N ODD 8 bits BL UE EV EN 8 bits BLUE CONFI G PI NS PLL PW R M ANAGE M ENT GPO OUT PUT CL...

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