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LG FLATRON 568LM LM568E-CA, Руководство по обслуживанию

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LG FLATRON 568LM LM568E-CA Скачать руководство пользователя страница 18

PRINTED CIRCUIT BOARD

- 18 -

L3

J3

1

C15

J5

C301

C151

C152

L301

1

C150

C137

R81

C134

C129

J1

C105

C302

40

30

C1

12

C111

20

U30

U12

R79

10

C303

C304

C305

50

10

C97

C98

U7

C96

D2

20

C306

U9

MODEL:LM568E

P/N  :6870T392A10

C1

10

1

DA

TE :2001.08.28

D3

D4

C89

L8

L9

BA19

BA20

BA21

R14

C92

BA22

BA24

C130

C133

C136

C139

C88

D1

C90

80

70

60

50

L2

L7

BA23

D6

R2

R29

ZD2

J2

J6

R1

R54

C1

90

40

C48

D5

R28

ZD1

R53

C46

C49

100

30

20

C135

11

0

10

U24

C5

120

U3

5

R91

C10

C23

C213

C66

C260

C26

R36

R39

C14

130

X2

140

U4

160

150

U2

U5

R12

C28

C7

RA2

RA1

1

1

40

R98

R97

R99

C70

L1

1

R11

C200

U8

Q1

R15

R56

R95

R94

R96

R57

U6

C74

TP225

C72

X1

R72

C101

10

1

5

30

10

C239

R87

C237

ZD5

C99

5

R3

R4

C102

20

C240

R10

TP226

C238

R148

TP244

L13

1

C6

U1

20

U13

Q4

Q3

TP243

TP246

L12

1

J10

C37

1

C38

J4

1

C236

C235

10

R86

C230

7

        

1. MAIN BOARD (Component Side)

Содержание FLATRON 568LM LM568E-CA

Страница 1: ...CE 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 LM568E MODEL LCD 568LM LM568E CA ID LABEL MODEL No ...

Страница 2: ...t 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 12V 3 0A 4 2 Power Consumption 5 ENVIRONMENT 5 1 Operating Temperature 10 C 35 C 50 F 95 F Ambient 5 2 Relative Humidity 5 95 Non condensing 5 3 MTBF 40 000 Min 6 DIMENSIONS with TILT SWIVEL Width 389 2mm 15 32 Depth 161 8mm 6 37 Height 382 4mm 15 ...

Страница 3: ... 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 circui...

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: ...O adjustment function Touch the AUTO SET button before using OSD menu This button is for the automatic adjustment of the screen position clock and phase Note Some signal from some graphics boards may not function properly If the results are unsatisfactory adjust your monitor s Position Clock and Phase manually 4 Use these buttons to choose or adjust items in the on screen display Use to adjust the...

Страница 6: ... 6 WIRING DIAGRAM J3 J4 CN5 CN4 CN2 CN3 CN1 J5 J4 J10 Connector Ass y P N 6631T11012N ...

Страница 7: ...screws a 2 Remove the Tilt swivel 3 Remove two sheets 3 Remove two screws b from the Back Cover 4 Release six latchs c 5 Remove the Back Cover 2 REAR METAL ASS Y SPEAKER ASS Y REMOVAL 1 Remove eight screws a 2 Remove the Rear Metal Ass y 3 Remove two screws b 4 Remove two Metal Fix 5 Remove the Speaker Ass y Back Cover ...

Страница 8: ... the Main Frame LCD Module b a a a a a b c c c b a J4 J3 J5 J4 J10 3 MAIN PCB ASS Y CONTROL PCB SOUND ASS Y REMOVAL 1 Disconnect J4 J5 and J10 from the Main PCB Ass y 2 Remove six screws a 3 Remove the Main PCB Ass y 4 Remove three screws b 5 Disconnect J4 and J3 from the Sound Ass y 6 Remove the Speaker PCB Ass y 7 Remove three screws c 8 Remove the Control PCB Ass y ...

Страница 9: ... 9 a a CN4 CN5 CN3 CN2 6 INVERTER ASS Y REMOVAL 1 Disconnect CN2 CN3 and CN4 CN5 2 Remove two screws a 3 Remove the Inverter Ass y ...

Страница 10: ...dule Power 3 3V 3 3V_PL 3 3VD ST5V RGB 3 3V_AD Regulator BA033 Regulator BA033 Regulator BA033 3 3 V_AD 3 3V Headphone MIC In MIC Out Audio In Audio Processor TDA7449 Audio Amp TDA7496L SCL SDA 78 M08 8VA 12V 12V Audio B d Audio Mute Audio B d CON 5P 12V GND SCL SDA Audio Mute 12V Audio Mute LCD Interface 20Pin Connector 12507WR 20P LVDS LVDS83 RIN RCLK Regulator BA033 Hsync2 Vsync2 Hsync2 Vsync2 ...

Страница 11: ...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 DC voltage of 3 3VD 3 3V_AD 3 3V_PL Module Power 3 3V and 5VS L4973D5 1 U13 the DC DC controller IC converts input 12Vdc into 5VS and 3 3Vdc with peripheral circuit composed of Inductor L11 condensing components ZD5 C72 ...

Страница 12: ...rodesign Co E E PROM with each mode data saved Alignment Adapter and Software 1 Adjustment for Factory Preset Mode 1 Run alignment program for LM568E on the IBM compatible PC 2 Display cross hatch pattern at Mode 1 3 Select EEPROM ALL Init command and Enter 4 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 12 2 Set Ex...

Страница 13: ...T A SHORT POINT AS OPENING EACH POWER LINE CHECK J1 S VOLTAGE 12V 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 U13 PIN2 VOLTAGE REPEATED AS PULSE SHAPE NO YES YES YES NO YES NO PROBLEM NO CHECK KEY CONTROL CONNECTOR ROUTINE ...

Страница 14: ...SPLAYED CHECK ADAPTER J4 PIN10 12V 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 15: ...S 14 3M NO CHECK U9 S SOLDERING CONDITION AND CHECK CONNECTION LINE FROM U3 TO J5 NO TROUBLE IN CABLE OR LCD MODULE CHECK U12 U30 J5 PIN1 3 3V NO YES YES YES YES 3 NO RASTER OSD IS NOT DISPLAYED gmzanl NO RASTER OSD IS NOT DISPLAYED U9 PIN31 IS 65MHz CLOCK PIN27 IS 48KHz H SYNC PIN28 IS 60Hz V SYNC IS PULSE APPEARED AT SIGNAL PINS ...

Страница 16: ...NO 1 CHECK PC 2 CHECK SIGNAL CABLE D SUB CONNECTOR LINE CHECK R G B INPUT U3 PIN 87 91 95 NO CHECK H SYNC LINE D SUB U6 U3 PIN150 CHECK H SYNC INPUT U3 PIN 150 NO YES YES YES NO RASTER OSD IS DISPLAYED 4 NO RASTER OSD IS DISPLAYED gmzanl ...

Страница 17: ...AUDIO PCB CHECK INPUT SIGNAL U3 TDA7449 PIN7 8 NO CHECK MAIN U3 MICOM AUDIO J3 U3 TDA7449 CHECK IIC LINE NO YES YES YES YES CHECK U3 TDA7449 CHECK INPUT SIGNAL U1 TDA7496L PIN4 9 NO CHECK U1 TDA7496L CHECK OUTPUT SIGNAL U1 TDA7496L PIN14 17 NO NO SOUND 5 NO SOUND YES ...

Страница 18: ...1 C90 80 70 60 50 L2 L7 BA23 D6 R2 R29 ZD2 J2 J 6 R1 R54 C1 90 40 C48 D5 R28 ZD1 R53 C46 C49 100 30 20 C135 110 10 U24 C5 120 U3 5 R91 C10 C23 C213 C66 C260 C26 R36 R39 C14 130 X2 140 U4 160 150 U2 U5 R12 C28 C7 RA2 RA1 1 1 40 R98 R97 R99 C70 L11 R11 C200 U8 Q1 R15 R56 R95 R94 R96 R57 U6 C74 TP225 C72 X1 R72 C101 10 1 5 30 10 C239 R87 C237 ZD5 C99 5 R3 R4 C102 20 C240 R10 TP226 C238 R148 TP244 L13...

Страница 19: ...42 C60 C232 C231 C3 C18 C51 R40 R41 C34 C39 L1 C2 C16 C132 C52 C81 C82 C83 C53 C22 C13 C11 C27 C24 C91 ZD4 Q5 R34 R37 C17 C19 R32 Q6 1 R33 R45 R48 40 C25 R13 C93 C64 R38 R16 R35 R47 C9 ZD3 Q2 10 C86 C87 R51 R61 L18 L17 C182 C183 R8 D8 R27 R52 R65 R67 R69 R78 R80 30 C8 C20 R74 R82 R120 R30 R31 R55 R90 R184 C187 R60 20 R24 R25 R23 R26 R49 R70 R73 R9 C59 C65 R64 R75 C155 R149 R147 C188 C41 C40 C58 C5...

Страница 20: ... AUDIO L10 P N 6870T393S10 C15 C10 C7 D1 J2 R14 C11 C9 C4 D2 R4 C5 C6 C8 C13 R16 R18 10 C35 C2 11 U2 T1 R5 R13 J1 SOLDERING DIRECTION C36 R15 R30 R29 R28 R27 1 U3 20 J6 C34 C1 C22 R25 L2 R19 C14 L8 C26 C28 C18 R23 R21 R22 D6 D4 L6 C39 C23 10 11 C20 J3 L7 C38 R12 J7 L9 4 CONTROL BOARD Component Side ...

Страница 21: ... 21 EXPLODED VIEW 1 5 8 7 14 9 16 17 6 11 10 2 15 18 3 13 12 20 4 M IC IN AU DI O IN M IC OU T 19 ...

Страница 22: ...M568E BUILT IN SPEAKER SPRAY INVERTER ASSEMBLY SAMSUNG LG1509 LB563C METAL ASSEMBLY FRAME LM568E PWB PCB ASSEMBLY SUB LM568E SOUND TOTAL BRAND XAGC PWB PCB ASSEMBLY MAIN LM568E XAGC BRAND CL 18 TOTAL PWB PCB ASSEMBLY SUB LM568E CONTROL TOTAL BRAND XAGC METAL ASSEMBLY REAR LM568E CONNECTOR ASSEMBLY 20P H H 120MM UL20276 LM568E INTERFACE UNIXTAR SCREW PZP 3 12 MSWR FZMY STD SCREW PVS 4 10 MSWR FZMW ...

Страница 23: ...LM568E CA DATE 2001 9 12 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C58 0CC221CK41A 220PF 1608 50V 5 R TP NP0 C59 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C60 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C61 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C62 0CC330CK41A 33PF 1608 50V 5 R TP NP0 C63 0CC330CK41A 33PF 1608 50V 5 R TP NP0 C64 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C65 0CK104CK56A 0 1UF 1608 50V 10...

Страница 24: ...ISG497351A L4973D5 1 SO20 TP 3 5A S DOW U24 0IRH033200A BA033FP E2 MOLD 3 TP REGULAT U30 0IRH033200A BA033FP E2 MOLD 3 TP REGULAT MODEL FLATRON LCD 568LM LM568E CA DATE 2001 9 12 S AL LOC NO PART NO DESCRIPTION SPECIFICATION L1 6210TCT002C HF50ACC575018 T TDK MM CHIP L2 6210TCE001P HB 1S2012 121JT CERATECH 201 L3 6210TCE001G HH 1M3216 501 CERATEC 3216MM L7 6210TCE001P HB 1S2012 121JT CERATECH 201 ...

Страница 25: ... 1 6W 1 TA52 R303 0RN1601F409 1 60K 1 6W 1 TA52 MODEL FLATRON LCD 568LM LM568E CA DATE 2001 9 12 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R304 0RN1601F409 1 60K 1 6W 1 TA52 R305 0RN3001F409 3K 1 6W 1 TA52 R306 0RN3001F409 3K 1 6W 1 TA52 SW301 140 058E SKHV10910B LGEC NON 12V 20A SW302 140 058E SKHV10910B LGEC NON 12V 20A SW303 140 058E SKHV10910B LGEC NON 12V 20A SW304 140 058E SKHV10910B LGE...

Страница 26: ...1 10W 5 D R TP R21 0RH2702D622 27K 1 10W 5 D R TP R22 0RH1002D622 10K OHM 1 10 W 2012 5 00 R23 0RH2702D622 27K 1 10W 5 D R TP R24 0RH2001D622 2 0K 1 10W 5 D R TP R25 0RH1002D622 10K OHM 1 10 W 2012 5 00 R26 0RH2001D622 2 0K 1 10W 5 D R TP R27 0RH2002D622 20K OHM 1 10 W 2012 5 00 R28 0RH4701D622 4 7K 1 10W 5 D R TP R29 0RH2002D622 20K OHM 1 10 W 2012 5 00 R30 0RH4701D622 4 7K 1 10W 5 D R TP R31 0RH...

Страница 27: ...put allows 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 availa...

Страница 28: ...VS OUTL GND GND GND 20 19 18 17 16 14 15 13 12 D97AU597A SVR 10 STBY 11 PIN CONNECTION VOLUME OP AMP MUTE STBY PROTECTIONS 9 470nF INR 30K VOLUME OP AMP 30K 1000m F 1000m F 1m F 10K 4 470nF INL 7 14 11 12 17 6 5 300K 100nF VOLUME VAROUT_L OUTR STBY MUTE OUTL 1 2 3 13 18 19 20 GND 470m F SVR 10 D97AU596A VS VAROUT_R 15 16 5V S1 ST BY 5V S2 MUTE 5V S_GND 60K BLOCK DIAGRAM Pin Configuration ...

Страница 29: ...2 D98AU848 MUXOUT L 10 MUXOUT R 11 PIN CONNECTION 0 30dB 2dB STEP MUXOUTL TREBLE L MUXOUTR TREBLE R LOUT SCL SDA DIG_GND ROUT D98AU847A I 2 CBUS DECODER LATCHES 100K 100K G L IN1 L IN2 100K 100K R IN1 R IN2 G INPUT MULTIPLEXER GAIN BOUT L BIN R BOUT R CREF AGND VS BIN L 5 8 9 7 6 19 20 18 4 2 3 11 17 12 13 1 10 16 15 14 RB RB VREF BLOCK DIAGRAM VOLUME VOLUME TREBLE TREBLE BASS BASS SPKR ATT LEFT S...

Страница 30: ... 30 PARTS TYPE PARTS TYPE KA78M08R 1 INPUT 2 GND 3 OUTPUT 1 3 2 KSC1623 1 BASE 2 EMITTER 3 COLLECTOR 2 3 1 Regulator Transistor KIA7042 E B C ...

Страница 31: ...SCHEMATIC DIAGRAM 31 1 GMZAN1 ...

Страница 32: ... 32 2 LVDS ...

Страница 33: ... 33 3 MICOM ...

Страница 34: ... 34 4 POWER ...

Страница 35: ... 35 5 CONNECTOR JACKS ...

Страница 36: ... 36 6 AUDIO ...

Страница 37: ... 37 7 CONTROL KEY ...

Страница 38: ...PACKING AND ACCESSORIES 38 AUTO VOL MUTE MENU SET Accessory Box Power Cord Signal Cable A V CORD Adaptor Owner s Manual AUTO VOL MUTE MENU SET Right Packing Left Packing Right Side Front Side ...

Страница 39: ...Sep 2001 P NO 3828TSL072B Printed in Korea ...

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