manualshive.com logo in svg

LG LB886F-SL, Service Manual

Share
Download
LG LB886F-SL Service Manual Download Page 15

- 15 -

2. NO RASTER 

TROUBLE IN
INVON PATTERN

CHECK

J702 PIN 8 (5V) ?

NO

NO RASTER

TROUBLE IN
POWER ADATER
or L703, L704

CHECK

J702 PIN 1, 2, 3

(12V) ?

NO

TROUBLE IN
X501

CHECK

X501  

H. PULSE ?

NO

TROUBLE IN
U201

CHECK

U201(GM5020) ?

NO

TROUBLE IN
U201

NO

TROUBLE IN
U201

CHECK

U301, U302, U303

PIN 35

MEMORYCLK?

NO

YES

YES

YES

YES

YES

CHECK

L201, L202, L203

PULSE?

All manuals and user guides at all-guides.com

Summary of Contents for LB886F-SL

Page 1: ...rvice com E mail http www LGEservice com techsup html CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 29 FACTORY MODEL LB886F MODEL L1800PM LB886F SL ID LABEL MODEL No All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...onsumption 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 MTBF 50 000 Hours Min Except Lamp 6 DIMENSIONS with TILT SWIVEL Width 397 mm 15 62 Depth 237 mm 9 33 Height 428 mm 16 85 Min 508 mm 19 99 Max 7 WEIGHT with SPEAKER Net Weight 8 8kg 19 40 lbs Gross Weight 11 3kg 24 91 lbs 8 USB Upstream 1 port Downstream 2 port Speed Full 12...

Page 3: ...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 circuit within the modul...

Page 4: ...2 1024 16 96 176 V 75 029 800 768 1 3 28 H 68 677 1376 1024 48 96 208 V 84 997 808 768 1 3 36 H 68 681 1456 1152 32 128 144 V 75 062 915 870 3 3 39 H 61 805 1504 1125 18 134 200 V 65 96 937 900 2 4 31 H 63 981 1688 1280 48 112 248 V 60 02 1066 1024 1 3 38 H 79 976 1688 1280 16 144 248 V 75 035 1066 1024 1 3 38 Mode H V Sort 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 25 175 28 321 25 175 31 5 36 0 40 0...

Page 5: ...N MENU SOURCE AUTO SET VOLUME Front Control Panel Stand Cover Stand Lock Power Connect Power ON OFF Switch USB Port AUDIO DC OUT AUDIO DC IN AUDIO IN D sub Siganl Port DVI Port OPERATING INSTRUCTIONS All manuals and user guides at all guides com ...

Page 6: ...r operates normally If the monitor is in DPM Energy Saving mode stand by suspend power off this indicator color changes to amber Power Indicator Use this button to turn the monitor on or off Power Button Use this button to enter a selection in the on screen display AUTO adjustment function TO the AUTO SET button before using OSD menu This button is for the automatic adjustment of the screen positi...

Page 7: ...ng the MENU button for 3 seconds the message CONTROLS UNLOCKED will appear CONTROLS UNLOCKED Power Button Use to turn ON OFF audio Volume Buttons Headphone jack Used to adjust volume Headphone jack that automatically mutes the speaker volume is attached VOLUME Pivot Function You can adjust the height of the screen and also rotate it 90o clockwise All manuals and user guides at all guides com ...

Page 8: ...other hub using the USB cable Computer must have a USB port 2 Connect the USB compliant peripherals to the downstream ports of the monitor USB downstream Ports connect the cables from USB compliant peripherals such as keyboard mouse etc To USB downstream port of the USB compliant PC or another hub cable keyboard M ouse USB upstream Poort NOTE To activate the USB hub function the monitor must be co...

Page 9: ...AME METAL FRAME Speaker PCB J702 J801 J705 P902 J710 CN1 CN4 CN5 CN6 CN7 CN8 CN9 CN_C01 CN301 CN_C02 P903 J5 J3 9 WIRING DIAGRAM Connector Ass y P N 6631T11012P Connector Ass y P N 6631T25005D All manuals and user guides at all guides com ...

Page 10: ...rential Signaling Data 48 Bit Address Inverte r CTL Module CTL R G B Inverter Digital Signal 3 3V Reg DVDD 3 3V AVD D 3 3V 12V 12V Po we r CTL V Sync 5V 2 5V Reg DVDD2 5V AVD D2 5V 3 3V Reg PVDD 3 3V 3 3 VM 5V 5V DVI Analog Signal R G B H Sync B V Sync B BA7657 Video Switch R G B 5V H V Sync Hsync Switch A or B H Sync A H Sy nc H Sync B 3 3 VM Power Board 12V 5V BLOCK DIAGRAM All manuals and user ...

Page 11: ...mp ADC Video controller are merged to one chip Gm5020 by Genesis Also FRC is separate 3 Display Data Transmitter Part LVDS This part transmit digital signal from the Scaler to the receiver of module 4 Power Part This part consists of the one 5V two 3 3V and one 2 5 regulators to convert power which is provided 12V 5V in Power Board 12V is provided for inverter 5V is provided for Micom and LCD Pane...

Page 12: ...pacitor 3 Energy Transfer This part function is transfer the primary energy to secondary through a power transformer 4 Output rectifier and filter This part function is to make a pulse width modulation control and to provide the driver signal to power switch to adjust the duty cycle during different AC input and output loading condition to achive the dc output stablize and also the over power prot...

Page 13: ...right to MAX position and Contrast to MAX Position 3 Select PRESET START BIAS CAL command and Enter 4 No attempt to manually adjust BIAS data is auto matically adjusted and saved to the EEPROM 5 Display color 15 0 pattern at Mode 15 6 Select DRIVE CAL command and Enter 7 5800K and 9300K are automatically adjusted and saved to the EEPROM 8 Select PRESET EXIT command and Enter 4 Adjustment for EDID ...

Page 14: ...HECK J801 5VST VOLTAGE 5V NO NO POWER POWER INDICATOR OFF TROUBLE SOMEWHERE ELSE TROUBLE IN BULT IN POWER CHECK J801 INPUT VOLTAGE 12V NO TROUBLE IN U501 or X501 NO YES YES YES CHECK U501 s PIN 6 IS THIS PIN OSCILLATED All manuals and user guides at all guides com ...

Page 15: ... ADATER or L703 L704 CHECK J702 PIN 1 2 3 12V NO TROUBLE IN X501 CHECK X501 H PULSE NO TROUBLE IN U201 CHECK U201 GM5020 NO TROUBLE IN U201 NO TROUBLE IN U201 CHECK U301 U302 U303 PIN 35 MEMORYCLK NO YES YES YES YES YES CHECK L201 L202 L203 PULSE All manuals and user guides at all guides com ...

Page 16: ... NO CHECK DVS PATTERN NO CHECK DHS PATTERN NO YES YES YES YES YES TROUBLE IN LCD MODULE CHECK U401 PIN 8 V PULSE CHECK U401 PIN 7 V PULSE CHECK U401 PIN 10 PULSE CHECK L204 PULSE All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 17: ... 17 3 NO CLOCK CLOCK GENERATOR NO DOT CLOCK TROUBLE IN X201 CHECK X201 24MHz NO TROUBLE IN U201 CHECK L201 CLOCK NO YES YES All manuals and user guides at all guides com ...

Page 18: ...PM TROUBLE IN PC CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO TROUBLE IN X501 NO TROUBLE IN SIGNAL CABLE NO YES YES YES CHECK U501 PIN 6 WAVEFORM 24MHz CHECK R233 R234 CHECK U501 PIN 11 0V All manuals and user guides at all guides com ...

Page 19: ...ICATOR OFF TROUBLE IN U3 TROUBLE BUILT IN POWER NO TROUBLE IN R1 R2 TROUBLE IN U5 NO NO TROUBLE IN U7 NO YES YES YES YES CHECK U5 OUTPUT 5V CHECK R1 R2 CHECK 12V DC CHECK U7 PIN 1 OUTPUT All manuals and user guides at all guides com ...

Page 20: ...OUTPUT FROM 0V TO 3 6V 7 AUDIO NO OUTPUT TROUBLE IN SPEAKER TROUBLE IN U5 NO YES YES CHECK U3 OUTPUT PIN 14 17 CHECK U2 PIN 8 5V TROUBLE IN U3 NO YES CHECK U3 PIN 4 9 AUDIO IN CHECK J4 AND PC TROUBLE IN U3 NO YES CHECK U3 PIN 11 12 0V All manuals and user guides at all guides com ...

Page 21: ...235 L K J H G F C548 C117 C118 C116 R704 C850 C844 U821 RA208 RA210 RA206 RA204 RA202 20 U201 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 C270 E D C B A 1 C278 C279 R220 R221 C258 R223 R145 U509 C119 R703 C845 C834 R582 R545 C201 C202 C203 C206 C205 C204 C276 C280 R222 R224 C259 C260 C261 J704 L820 L810 C531 U503 C517 C516 R581 R542 R543 R544 R508 R510 MODEL LB886F DATE 2001 11 23 C822 P N 6870T...

Page 22: ...12 C715 C714 C236 L203 L204 C235 C233 C237 R202 C228 C275 C269 C273 R240 D701 R150 D731 R714 R715 C514 R511 R524 C515 C257 C238 C272 C274 R139 R137 R138 R239 R140 R141 R142 R147 R760 R769 R716 D730 R713 C504 C505 R512 R513 R527 R526 R525 C507 C506 C823 C829 C827 C131 R135 C120 D715 D712 R535 R539 R536 R538 R537 R564 C519 R505 C508 R531 R580 C832 C824 C830 C826 R154 R155 R146 D714 R729 R534 C520 R5...

Page 23: ... 23 3 POWER BOARD Component Side 4 POWER BOARD Solder Side All manuals and user guides at all guides com ...

Page 24: ...1 R28 R30 R35 R34 L18 U3 C38 R21 L20 L13 L19 R22 C39 R32 L5 L4 ZD4 C43 C42 ZD1 C23 ZD12 ZD11 C37 C24 R23 L14 ZD7 L15 C25 R24 J1 J5 J6 ZD8 5 CONTROL BOARD LED1 SW8 Power R10 R4 SW7 Model LB886F KEY Date 2001 11 15 P N 6870T403C11 Auto Set SW6 R6 R13 R14 SW5 R7 SW4 R5 R3 SW3 J1 R11 R12 R1 R2 Menu SW2 R8 Source SW1 All manuals and user guides at all guides com ...

Page 25: ...2 C23 C12 R29 R23 R15 C9 D5 C30 C40 C31 R30 R20 S3 D6 U4 C16 C13 R9 R8 R10 Q1 R19 C22 C24 U3 D3 C3 R33 R17 C29 D2 J6 C18 D4 C25 R18 C19 C4 C2 R69 R1 R32 U2 R7 R5 R4 D1 R22 R16 R3 ZD2 R2 R31 C15 R12 C32 C14 C38 R11 R14 C26 C7 C6 J5 C17 U7 C21 C20 8 SPEAKER BOARD Solder Side All manuals and user guides at all guides com ...

Page 26: ...VIEW 1 16 37 38 39 12 11 c a a b 4 6 5 7 15 17 18 20 19 22 21 23 27 26 25 24 28 35 2 A 8 9 14 13 3 10 AUD IO DC IN AUD IO IN 29 33 30 34 31 32 36 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...ARROW PWB PCB ASSEMBLY POWER LB886F POWER TOTAL BRAND CL 29 SHIELD REAR LB886F METAL ASSEMBLY REAR LB782F CONNECTOR ASSEMBLY SWITCH GY CONN ASSYP H W 180MM UL 1617 AWG 22 COVER LB886F STAND TOP FRONT COVER LB886F STAND FRONT HIPS 60HR COVER LB886F BASE TOP HIPS 60HR PWB PCB ASSEMBLY USB LB886F SUB TOTAL BRAND CL 29 COVER LB886F PIECE CABLE HIPS 60HR COVER LB886F STAND REAR HIPS 60HR COVER LB886F S...

Page 28: ...0V 5 R TP NP0 C230 0CH6150K416 15PF 50V J NP0 2012 R TP C231 0CH6680K416 68PF 50V J NP0 2012 R TP C232 0CH6680K416 68PF 50V J NP0 2012 R TP C233 0CH3103K516 10000PF 50V K B 2012 R TP C234 0CH3103K516 10000PF 50V K B 2012 R TP C235 0CH6680K416 68PF 50V J NP0 2012 R TP C236 0CH6680K416 68PF 50V J NP0 2012 R TP C237 0CH3104K566 0 1UF 50V K X 2012 R TP C258 0CH6150K416 15PF 50V J NP0 2012 R TP C259 0C...

Page 29: ...835 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C836 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C840 0CE477EH618 470UF KMG 25V M FL TP 5 C841 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 DATE 2002 02 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C842 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C843 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C844 0CE107WF6DC 100UF MVK 16V 20 R TP SMD C845 0CE477EH618 470UF KMG 25V M ...

Page 30: ...M 1 10 W 5 1608 R TP R151 0RJ1500D677 150 OHM 1 10 W 5 1608 R TP R153 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R154 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R155 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R201 0RH2001D622 2 0K 1 10W 5 D R TP R202 0RH2001D622 2 0K 1 10W 5 D R TP R203 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R204 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R205 0RJ1002D677 10K OHM 1 10 W 5 1608 R ...

Page 31: ...10 W 5 1608 R TP R765 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R766 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R767 0RJ0752D677 75 OHM 1 10 W 5 1608 R TP R768 0RJ1801D677 1 8K OHM 1 10 W 5 1608 R TP R769 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP DATE 2002 02 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION R807 0RH0000D622 0 1 10W P TYPE TAPPING R809 0RJ2202D677 22K OHM 1 10 W 5 1608 R TP R810 0RH5600D622 56...

Page 32: ...H901 971 0054 TIN 50MM TAPING DATE 2002 02 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C1 0CE108EF618 1000UF KMG 16V M FL TP 5 C2 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C3 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C4 0CC102CK41A 1000PF 1608 50V 5 R TP NP0 C5 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C6 0CH8106F611 10UF 16V M 85STD CYL R TP C7 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C8 0CK104CK56A 0...

Page 33: ...H8107F611 100UF 16V M 85STD CYL R TP C24 0CC470CK41A 47PF 1608 50V 5 R TP NP0 C25 0CC470CK41A 47PF 1608 50V 5 R TP NP0 C27 0CH8107F611 100UF 16V M 85STD CYL R TP C28 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y C31 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R C32 0CK104CK56A 0 1UF 1608 50V 10 R TP X7R DATE 2002 02 18 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C37 0CH8107F611 100UF 16V M 85STD CYL R TP C38...

Page 34: ...Output Control Output Data Path Timing Control Brightness Contrast Hue Saturation TMDS RX Video YUV 8 bits Digital TMDS Input FUNCTIONAL BLOCK DIAGRAM D0a D3b D3a D2b Vcc D2a D0b D1a D1b GND Q0 Q1 Q2 Q3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 PIN CONFIGURATION PIN FUNCTION Frame Buffer SDRAM SGRAM Output to LCD OSC or XTAL Micro controller Video Decoder Anolog RGB Composite S Video DVI gm5020 SYSTEM BLOC...

Page 35: ...VE SCL A0 A1 VCC VSS A2 ADDRESS COMPARATORS CONTROL LOGIC ACK E PROM 2 PIN CONFIGURATION DIP Package p SOIX Package J TSSOP Package U BLOCK DIAGRAM PIN FUNCTION Pin Name A0 A1 A2 SDA SCL WP Vcc Vss Function Device Adress Inputs Serial Data Address Serial Clock Write Protect 1 8V to 6 0V power Supply Ground V A1 Y1 AS A2 Y6 Y2 A5 A3 Y5 Y3 A4 GND Y4 CC 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1 2 A1 Y1 3 4 ...

Page 36: ...configure a device adress these pins should be connected to the Vcc of Vss of the device SDA I O SCL Input Bi directionl data pin for the I2C 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 7kΩ 100kHz and 1kΩ 400kHz SDA I O Input pin for hardware write protection control If yo...

Page 37: ...SCHEMATIC DIAGRAM 37 1 GM5020 All manuals and user guides at all guides com ...

Page 38: ... 38 2 MEMORY All manuals and user guides at all guides com ...

Page 39: ... 39 3 LVDS All manuals and user guides at all guides com ...

Page 40: ... 40 4 MICOM All manuals and user guides at all guides com ...

Page 41: ... 41 5 DC DC All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 42: ... 42 6 CONNECTOR All manuals and user guides at all guides com ...

Page 43: ... 43 7 INPUT SWITCHING All manuals and user guides at all guides com ...

Page 44: ... 44 8 CONTROL KEY All manuals and user guides at all guides com ...

Page 45: ... 45 9 USB 1 All manuals and user guides at all guides com ...

Page 46: ... 46 10 POWER All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 47: ... 47 11 AUDIO All manuals and user guides at all guides com ...

Page 48: ... 48 12 AUDIO All manuals and user guides at all guides com ...

Page 49: ...Mar 2002 P NO 3828TSL075C Printed in Korea All manuals and user guides at all guides com ...

Reviews:

No comments

Brands by name

Popular brands

Load more brands