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COLOR MONITOR

SERVICE MANUAL

Website:http://biz.LGservice.com

E-mail:http://www.LGEservice.com/techsup.html

CAUTION

BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS NO. : CL-18
FACTORY MODEL: LB570F

MODEL:

StudioWorks 560LS

(LB570F-EA)

*( ) ID LABEL MODEL No.

Содержание StudioWorks 560LS

Страница 1: ...te http biz LGservice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 18 FACTORY MODEL LB570F MODEL StudioWorks 560LS LB570F EA ID LABEL MODEL No ...

Страница 2: ...0 467 Vp p c Color 15 0 0 714 Vp p 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 31 61kHz Vertical 56 75Hz 4 POWER SUPPLY 4 1 Power Adaptor Input AC 100 240V 50 60Hz 1 2A Output DC 24V 1 2A 4 2 Power Consumption 5 ENVIRONMENT 5 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 5 2 Relative Humidity 10 80 Non condensing 5 3 Altitude 0 10 000ft 3 030m 6 DIMENSIONS with TILT SWIVEL Widt...

Страница 3: ...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 circuit within the module If the surface of panel become dirty please wipe it off with a softmaterial Cleaning with a dirty or rough cloth may damage the panel WARNING BE CAREFUL EL...

Страница 4: ...olution 640 x 350 720 x 400 TEXT 640 x 480 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 832 x 624 MAC 1024 x 768 1024 x 768 1024 x 768 Total Period E 800 449 900 449 800 525 864 525 832 520 840 500 1024 625 1056 628 1040 666 1056 625 1152 667 1344 806 1328 806 1312 800 Video Active Time A 640 350 720 400 640 480 640 480 640 480 640 480 800 600 800 600 800 600 800 600 832 6...

Страница 5: ...ards may not function properly If the results are unsatisfactory adjust your monitor s Position Clock and Phase manually 4 OSD Select Adjustment Buttons Use these buttons to choose or adjust items in the on screen display 5 OSD Select Adjustment Buttons Use this button to enter and from the on screen display OSD Power ON OFF Button Front Control Panel DC Power Connector D Sub Signal Connector AUTO...

Страница 6: ...on names and icon descriptions of the items that are shown on the Menu 88 100 BRIGHTNESS CONTRAST 9300K 6500K COLOR PRESET RED GREEN BLUE 61 39 POSITION Brightness Used to adjust the brightness of the screen Contrast Adjust the display to the contrast desired PRESET RED GREEN BLUE 9300K 6500K To appear the displays color temperature 9300K Slightly bluish white 6500K Slightly reddish white To set y...

Страница 7: ...OCATIONS MAIN PCB CONTROL PCB 1 2 3 4 5 6 7 NO 1 2 3 4 5 6 7 Ref No S9 S3 S4 S5 S6 S7 S8 Control Function POWER SWITCH AUTO BUTTON OSD OSD OSD RIGHT OSD LEFT OSD ON OFF WIRING DIAGRAM CN1 CN2 P1 P2 J6 CN3 J4 J5 P3 ...

Страница 8: ...REMOVAL 1 Remove four screws a from the Back Cover 2 Remove the Back Cover 3 TOP SHIELD INVERTER SHIELD REMOVAL 1 Remove six screws a 2 Remove the Top Shield 3 Disconnect P1 P1 See control Board 4 Remove two screws b 5 Release two latchs c 6 Remove the Inverter Shield b b a a a a a c a a a Back Cover ...

Страница 9: ... Upper Backlight Ass y LCD Module a a a a a a a d d a a CN2 J6 CN3 J4 J5 a d b b d c c 4 INVERTER POWER CONTROL AND MAIN PCB ASSEMBLY REMOVAL 1 Disconnect J4 J6 and J5 2 Remove four screws a 3 Remove the Main PCB Ass y 4 Disconnect CN2 and CN3 5 Remove two screws b 6 Remove the Inverter PCB Ass y 7 Remove two screws c 8 Remove the Control and Power PCB Ass y 9 Remove four screws d 10 Remove the Fr...

Страница 10: ...BLOCK DIAGRAM 10 POWER CORD 15 pin D SUB SIGNAL CABLE POWER SUPPLY CONTROL PCB INVERTER PCB MAIN LOGIC PCB LCD MODULE System Block Diagram ...

Страница 11: ... 11 BLOCK DIAGRAM ...

Страница 12: ...ical sync input from signal source 2 Microprocessor U4 carries out power control by sending power down trigger signal to each IC 3 Microprocessor U4 communicates with EEPROM U1 and GMZAN1 U3 through IIC 2 lines or 6 bit bus line It makes all devices operated properly 4 Microprocessor U4 let User adjust screen by OSD function 3 DC DC Converter This circuit supplies DC power for each device needing ...

Страница 13: ...nment Adapter and Software 1 Adjustment for Factory Preset Mode 1 Run alignment program for LB570F on the IBM compatible PC 2 Select EEPROM ALL Init command and Enter 3 Display cross hatch pattern at Mode 1 4 Select FOS DEFAULT command and Enter 5 Press Y key it will automatically save all FOS data to EEPROM 2 Adjustment for White Balance 1 Display color 0 0 pattern at Mode 13 2 Set External Brigh...

Страница 14: ...T A SHORT POINT AS OPENING EACH POWER LINE CHECK J1 S VOLTAGE 24V NO CHECK L11 OPEN CHECK CHECK U5 Voltage 5V NO U13 S PIN11 0V CHECK U13 AND CHECK 5VA LINE CHECK IIC LINE CONNECTION U4 U1 CHECK U3 S VCC XTAL RESET IS U3 PIN12 VOLTAGE REPEATED AS PULSE SHAPE NO YES YES YES NO YES NO PROBLEM NO CHECK KEY CONTROL CONNECTOR ROUTINE ...

Страница 15: ...SPLAYED CHECK ADAPTER J4 PIN10 24V NO 1 CONFIRM BRIGHTNESS OSD CONTRL STATE 2 CHECK MICOM DIM ADJ PORT J4 PIN1 5V NO REPLACE INVERTER ASS Y CHECK PULSE AS CONTACTING SCOPE PROBE TO CAUTION LABEL CONTACT PROBE TO CAUTION LABEL CAN YOU SEE PULSE AT YOUR SCOPE NO REPLACE CCFL LAMP IN THE LCD MODULE YES YES YES YES ...

Страница 16: ... CHECK U5 S SOLDERING CONDITION AND CHECK CONNECTION LINE FROM U3 TO J5 NO TROUBLE IN CABLE OR LCD MODULE CHECK U12 U7 J5 PIN40 3 3V NO YES YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED gmzanl NO RASTER OSD IS NOT DISPLAYED J5 PIN2 IS 65MHz CLOCK PIN4 IS 48KHz H SYNC PIN5 IS 60Hz V SYNC PIN37 IS 48KHz H SYNC IS PULSE APPEARED AT SIGNAL PINS ...

Страница 17: ...C LINE D SUB U6 MICOM U3 PIN150 CHECK H SYNC INPUT U3 PIN 150 NO YES YES YES YES NO RASTER OSD IS DISPLAYED 4 NO RASTER OSD IS DISPLAYED gmzanl CHECK SIGNAL LINE FROM U1 PIN84 TO U4 PIN254 1024x768 85Hz 95MHz CHECK CLOCK INPUT 25MHz 95MHz SINEWAVE U5 PIN207 NO CHECK SIGNAL LINE FROM U2 PIN80 TO U5 PIN203 CHECK H SYNC INPUT U5 PIN203 NO YES ...

Страница 18: ...5 D6 R5 100 R53 20 R95 R94 R96 D3 D2 R98 R97 R99 C70 R6 R7 C23 110 U3 10 5 R2 D4 R29 D1 U2 120 130 150 140 160 R28 ZD1 ZD2 C48 R91 X2 R37 C17 C19 R55 R9 R64 C59 U6 L3 L4 C71 J6 U24 C28 RA1 R50 C131 C26 R12 R11 C10 RA2 R78 U1 R4 L5 L6 R8 C12 C14 J3 U5 C72 R52 R74 R80 R82 R3 R60 J1 C6 J2 L11 C239 R87 C238 R51 X1 R10 R38 C237 R15 R13 C135 ZD5 U13 C64 C37 C38 U4 Q1 U8 C236 R86 1 J4 C188 1 MAIN BOARD C...

Страница 19: ... 19 2 MAIN BOARD Solder Side ...

Страница 20: ... 20 EXPLODED VIEW 1 2 4 3 8 9 10 11 12 13 14 15 5 6 7 MODULE ...

Страница 21: ...F2MN 15 1 1024X768 METAL FRAME MAIN ASSY LB570F INVERTER ASSY SAMSUNG LG1505 LB575E PWB PCB ASSY MAIN LB570F XAGT BRAND CL 18 TOTAL METAL SHIELD ASSY MAIN PCB LB570F SHIELD ASSY INVERTER LB570 OLD SHIELD BACK COVER ASSY LB570F B CORE PWB PCB ASSY SUB LB570D XAGV BRAND VE_VERSION TOTAL SCREW PZP 3 12 MSWR FZMY STD TILT SWIVEL ASSY LB500 3550TKK019A VE HINGE SCREW PVS 4 10 MSWR FZMW SIGNAL CABLE UL ...

Страница 22: ... CAPACITOR CHIP CERAMIC LD LESS TC 1000PF 50V J SL 2012 R TP C28 0CH6102K406 CAPACITOR CHIP CERAMIC LD LESS TC 1000PF 50V J SL 2012 R TP C29 0CH6330K416 CAPACITOR CHIP CERAMIC LD LESS TC 33PF 50V J NP0 2012 R TP C30 0CH6330K416 CAPACITOR CHIP CERAMIC LD LESS TC 33PF 50V J NP0 2012 R TP C31 0CH6330K416 CAPACITOR CHIP CERAMIC LD LESS TC 33PF 50V J NP0 2012 R TP C32 0CH3104K566 CAPACITOR CHIP CERAMIC...

Страница 23: ...NP0 2012 R TP C88 0CH6680K416 CAPACITOR CHIP CERAMIC LD LESS TC 68PF 50V J NP0 2012 R TP C89 0CH6680K416 CAPACITOR CHIP CERAMIC LD LESS TC 68PF 50V J NP0 2012 R TP C90 0CH6680K416 CAPACITOR CHIP CERAMIC LD LESS TC 68PF 50V J NP0 2012 R TP C91 0CH6680K416 CAPACITOR CHIP CERAMIC LD LESS TC 68PF 50V J NP0 2012 R TP C92 0CH6330K416 CAPACITOR CHIP CERAMIC LD LESS TC 33PF 50V J NP0 2012 R TP C99 0CH3104...

Страница 24: ...01P CORE CIRC BEAD HB 1S2012 121JT CERATECH 2012MM R TP L9 6210TCE001P CORE CIRC BEAD HB 1S2012 121JT CERATECH 2012MM R TP L11 6200TEZ003D FILTER CIRC CAPACITOR TPRH1207 330M BOAM 33UH SMD CHOKE L23 6210TCE001P CORE CIRC BEAD HB 1S2012 121JT CERATECH 2012MM R TP L55 6210TCE001P CORE CIRC BEAD HB 1S2012 121JT CERATECH 2012MM R TP Q1 0TR162309CA TRANSISTOR KSC1623 TP SAMSUNG SOT23 NPN EPI SILICON TR...

Страница 25: ...TP R70 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R72 0RH1004D622 RESISTOR CHIP 1 0M 1 10W 5 D R TP R73 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R74 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R75 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R78 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R TP R79 0RH2202D622 RESISTOR CHIP 22K 1 10W 5 D R TP R80 0RH4701D622 RESISTOR CHIP 4 7K 1 10W 5 D R T...

Страница 26: ...12V 20A HORIZENTAL 160G S5 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S6 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S7 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S8 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G S9 140 058E SWITCH TACT SKHV10910B LGEC NON 12V 20A HORIZENTAL 160G ZD1 0DZ560009CE DIODE ZENER MTZJ5 6B...

Страница 27: ...ows to drive the internal D MOS 18 20 SYNC Input Output synchronization 7 8 8 9 Vcc Not regulated DC input voltage 2 3 2 3 OUT Stepdown regulator output 12 13 VFB Stepdown feedback input Connecting directly this pin to the output 3 3V and 5 1V are obtained a voltage divider is requested for higher output voltages For voltage below 3 3V see note 16 18 V5 1 Reference voltage externally available 4 5...

Страница 28: ... 28 TYPE PARTS KSC1623 1 BASE 2 EMITTER 3 COLLECTOR 2 3 1 Transistor KIA7042 E B C ...

Страница 29: ...SCHEMATIC DIAGRAM 29 1 GMZAN1 ...

Страница 30: ... 30 2 MICOM ...

Страница 31: ... 31 3 POWER ...

Страница 32: ... 32 4 CONNECTOR JACKS ...

Страница 33: ...PACKING AND ACCESSORIES 33 Signal Cable Owner s Manual Right Packing Left Packing Adaptor Power Cord Right Side Front Side ...

Страница 34: ...Jan 2001 P NO 3828TSL024K Printed in Korea ...

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