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LG LS882C-UA, Руководство по обслуживанию

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LG LS882C-UA Скачать руководство пользователя страница 18

- 18 -

CHECK 
ADC-CLK PATTERN

CHECK

U307 PIN 254

DOT CLOCK ?

NO

CHECK 
HS-PLL PATTERN

CHECK

U307 PIN 246

H.PULSE ?

NO

TROUBLE IN
U307

NO

TROUBLE IN
U307

NO

TROUBLE IN
U307

NO

YES

YES

YES

YES

YES

YES

CHECK

MEMORYCLK

U410, U411, U412

PIN 35 ?

CHECK

U307 PIN 93, 94

DOT CLOCK ?

CHECK

U307 PIN 124 

D26 (H.PULSE) ?

Содержание LS882C-UA

Страница 1: ...ebsite 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 10 FACTORY MODEL LS882C MODEL LCD 882LE LS882C UA ID LABEL MODEL No ...

Страница 2: ...atio 300 typ 3 SIGNAL Refer to the Timing Chart 3 1 Sync Signal Type Separate TTL Positive Negative Composite TTL Positive Negative SOG Sync On Green Digital 3 2 Video Input Signal 1 Type R G B Analog 2 Voltage Level 0 0 714 V a Color 0 0 0 Vp p b Color 7 0 0 467 Vp p c Color 15 0 0 714 Vp p 3 Input Impedance 75 Ω 3 3 Operating Frequency Horizontal 30 80kHz Vertical 56 85Hz 4 POWER SUPPLY 4 1 Powe...

Страница 3: ...d T M D S Data4 T M D S Data4 DDC Clock DDC Data Analog Vertical Sync 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 I 1 8 9 17 24 16 C1 C4 C3 C2 C5 16 17 18 19 20 21 22 23 24 C1 C2 C3 C4 C5 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 Shiel...

Страница 4: ...ain 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 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...

Страница 5: ...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 31 5 36 0 25 175 40 0 49 5 56 25 57 283 65 0 78 75 94 5 100 0 92 978 108 0 135 0 640x350 70Hz...

Страница 6: ...d by suspend power off this indicator color changes to amber 3 SOURCE SET Button Use this button to enter a selection in the on screen display 4 Use these buttons to choose or adjust items in the on screen display 5 OSD Buttons Use this button to enter and from the on screen display OSD 100 100 Shortcut Keys Brightness and Contrast can be adjusted directly without entering the On Screen Display OS...

Страница 7: ...Screen Display OSD Control Adjustment Making adjustments to the image size position and operating parameters of the monitor are quick and easy with the On Screen Display Control system A quick example is given below to familiarize you with the use of the controls Following section is an outline of the available adjustments and selections you can make using the OSD To make adjustments in the On Scr...

Страница 8: ...O OSD POSITION SIGNAL FULL OSD POSITION 63 9kHz 60 0Hz PRESET MODE IMAGE SIZE LANGUAGE ENGLISH SETUP ON AUTO SIGNAL DSUB ANALOG To choose the language in which the control names are displayed This function displays the image in its original size or enlarged size so as to fit in the full screen of the LCD panel This function displays the best condition To adjust position of the OSD window on the sc...

Страница 9: ...greater flexibility in setting up your system USB allows you to connect chain up to 120 devices on a single USB port and you can hot plug attach them while the computer is running or unplug them while maintaining Plug and Plug auto detection and configuration This monitor has an integrated self powered USB hub allowing up to 4 other USB devices to be attached it USB connection 1 Connect the upstre...

Страница 10: ... DIAGRAM 1 2 3 4 6 5 7 J801 J805 CN2 CN3 CN5 CN4 CN2 J807 J804 J1 CN1 J2 J3 Connector Ass y P N 6631T11010D NO 1 2 3 4 5 6 7 Location No SW7 SW1 SW2 SW3 SW4 SW5 SW6 Control Function POWER SWITCH OSD DOWN UP LEFT RIGHT SOURCE SET ...

Страница 11: ...the Tilt swivel 2 FRONT CABINET REMOVAL 1 Remove two screws a 2 Release ten latches b 3 Remove the Front Cabinet b b b b a Front Cabinet 3 INVERTER WIRE SHIELD BACK COVER REMOVAL 1 Remove four screws a 2 Remove two Inverter Wire Shield 3 Remove four screws b 4 Remove the Back Cover a b a a Back Cover Inverter Wire Shield ...

Страница 12: ...IN TOTAL ASS Y REMOVAL 1 Disconnect CN2 CN3 CN4 and CN5 2 Remove five screws a 3 Remove two Aluminium Tape b 4 Disconnect J805 5 Remove Aluminium Tape c 6 Disconnect FPC Cable Module Connector and Control PCB Connector 7 Remove Main Total Ass y and Inverter PCB Ass y b Rear Frame Inverter Shield FPC Cable Control PCB Connector Module Connector c c c a CN5 CN4 CN3 CN2 J805 ...

Страница 13: ...BLOCK DIAGRAM 13 ...

Страница 14: ...al to transmitter 4 Display Data Transmitter Part This part transmit digital signal from the Scaler to the receiver of module 5 Power Part This part consists of the DC DC converter and several 3 3V regulators The DC DC converter coverts 12V to be entered power adapter to 5V 5V output of DC DC converter supply to the micom and 3 3V regulators The output voltage of 3 3V regulator supply to IC of eac...

Страница 15: ...ter 2 It will copy all factory default data to EEPROM automatically 3 Adjustment for White Balance 1 Display color 0 0 pattern at Mode 15 2 Set External Bright 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 DRIV...

Страница 16: ... TROUBLE IN U718 CHECK 5VST VOLTAGE 5V NO NO POWER POWER INDICATOR OFF TROUBLE SOMEWHERE ELSE TROUBLE IN ADAPTOR or INVERTER CHECK U718 INPUT VOLTAGE 12V NO TROUBLE IN U617 or X603 NO YES YES YES CHECK U617 s PIN 6 IS THIS PIN OSCILLATED ...

Страница 17: ...OUBLE IN POWER ADATER CHECK J805 PIN 10 12V NO TROUBLE IN U106 U105 U101 U109 CHECK U617 PIN 42 H PULSE NO TROUBLE IN U102 U101 U109 CHECK U205 PIN 40 H PULSE NO TROUBLE IN U205 NO TROUBLE IN U205 CHECK U205 PIN 115 AD CLOCK NO YES YES YES YES YES YES CHECK U205 PIN 117 H PULSE ...

Страница 18: ... DOT CLOCK NO CHECK HS PLL PATTERN CHECK U307 PIN 246 H PULSE NO TROUBLE IN U307 NO TROUBLE IN U307 NO TROUBLE IN U307 NO YES YES YES YES YES YES CHECK MEMORYCLK U410 U411 U412 PIN 35 CHECK U307 PIN 93 94 DOT CLOCK CHECK U307 PIN 124 D26 H PULSE ...

Страница 19: ...TROUBLE IN U307 NO TROUBLE IN U307 NO TROUBLE IN U307 NO YES YES YES YES YES TROUBLE IN LCD MODULE CHECK U513 U514 PIN 31 DOT CLOCK CHECK U513 U514 PIN 30 H PULSE CHECK U513 U514 PIN 28 V PULSE CHECK U513 U514 PIN 27 H PULSE ...

Страница 20: ...OR TROUBLE IN U101 U109 U105 U106 CHECK U205 PIN 40 H PULSE NO NO DOT CLOCK TROUBLE IN U729 CHECK U205Vcc 3 3V NO TROUBLE IN U205 CHECK U205 PIN 115 CLOCK NO TROUBLE IN U101 U109 U105 U106 CHECK U205 PIN 40 H PULSE NO YES YES YES ...

Страница 21: ...LE IN DPM TROUBLE IN PC CHECK PC CPC IS NOT GOING INTP DPM OFF MODE NO TROUBLE IN X603 NO TROUBLE IN SIGNAL CABLE NO YES YES YES YES CHECK U617 PIN 6 WAVEFORM 24MHz CHECK U617 MICOM PIN 1 42 H V INPUT SIGNAL CHECK U109 PIN 1 5 CHECK U617 PIN 26 5V ...

Страница 22: ...06 C207 C601 C130 C131 C603 C1 C2 C3 C4 C5 C9 C609 C870 C739 C743 C758 C267 C810 C801 C898 C921 C942 C941 C940 C939 C760 C763 C762 C764 C792 C748 C749 C751 U617 X603 X904 X302 J801 L903 L930 L931 L815 L819 L820 L821 L822 L823 L824 L826 L829 L210 L211 L932 J804 J909 J910 J911 J912 FUSE PL901 FUSE PL902 FUSE PL903 FUSE PL904 R967 R968 R619 R371 R103 R130 R190 R890 R117 R123 R125 R131 R115 R692 R694 ...

Страница 23: ...C765 C800 C390 C496 C377 C379 C380 C381 C384 C402 C408 C409 C524 C405 C406 C407 C410 C791 C106 C108 C110 C112 C114 C768 C899 C104 C271 C269 C276 C281 C285 C283 C279 C275 C277 C268 C270 C292 C293 C294 C761 C217 C218 C209 C210 C211 C212 C213 C214 C215 C101 R359 R360 R837 R842 R101 R116 R352 R120 R347 R357 R358 R361 R365 R367 R849 R850 R970 R971 R972 R974 R975 R976 R977 R350 R351 R354 R355 R356 R349 ...

Страница 24: ...R ON OFF MODEL LS882C KEY LED1 P N 6870T325C10 DATE 2001 02 06 J3 J2 J1 ZD2 R1 ZD1 R3 R2 SW6 AUTO SW5 R5 UP SW4 R7 DOWN SW3 R4 MODEL LS882C KEY P N 6870T325C10 DATE 2001 02 06 RIGHT R6 SW2 LEFT SW1 MENU SW7 LED1 J3 J2 ZD2 R1 ZD1 J1 R3 R2 SW6 R5 SW5 R7 SW4 R4 SW3 R6 SW2 SW1 ...

Страница 25: ...EXPLODED VIEW 25 11 17 b b c c 18 19 20 21 22 12 9 8 5 6 7 10 a c c a 16 d 13 15 7 14 ...

Страница 26: ...WB PCB ASSEMBLY MAIN LS882C XAGC BRAND TOTAL METAL ASSY REAR LS882C CONNECTOR ASSY 21P H H 160MM UL20276SB10P 2C AWG 30 LB885C INVERTER ASSY SAMSUNG LG1801 FOR 18 1 LCD MNT LB880B SHIELD INVERTER LQ800 PWB PCB ASSEMBLY SUB LS882C XAGC BRAND TOTAL COVER LB880B HINGE 18 1 BRAND COVER LB880B STAND FRONT 18 1 BRAND COVER LB880B STAND REAR 18 1 BRAND COVER LB880B BASE TOP 18 1 BRAND PWB PCB ASSEMBLY SU...

Страница 27: ...F 50V K X 2012 R TP C201 0CH8106J611 CAPACITOR CHIP AL ELECTROLYTIC 10UF 35V M 85STD CYL R TP C202 0CH8106J611 CAPACITOR CHIP AL ELECTROLYTIC 10UF 35V M 85STD CYL R TP C203 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C204 0CH6102K406 CAPACITOR CHIP CERAMIC LD LESS TC 1000PF 50V J SL 2012 R TP C205 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C206 ...

Страница 28: ... 0CH6150K416 CAPACITOR CHIP CERAMIC LD LESS TC 15PF 50V J NP0 2012 R TP C377 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C378 0CH6150K416 CAPACITOR CHIP CERAMIC LD LESS TC 15PF 50V J NP0 2012 R TP C379 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C380 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C381 0CH3104K566 CAPACITOR ...

Страница 29: ... C746 0CH6821K406 CAPACITOR CHIP CERAMIC LD LESS TC 820PF 50V J SL 2012 R TP C748 0CH8477F611 CAPACITOR CHIP AL ELECTROLYTIC 470UF 16V M 85STD CYL R TP C749 0CH8477F611 CAPACITOR CHIP AL ELECTROLYTIC 470UF 16V M 85STD CYL R TP C751 0CH8477F611 CAPACITOR CHIP AL ELECTROLYTIC 470UF 16V M 85STD CYL R TP C752 0CH6221K416 CAPACITOR CHIP CERAMIC LD LESS TC 220PF 50V J NP0 2012 R TP C753 0CH8106J611 CAPA...

Страница 30: ...5UA D8 0DS226009AA DIODE SWITCHING KDS226 TP KEC SOT 23 80V 300MA 2A 4NS 0 5UA D601 0DS301109AA DIODE SWITCHING MMBD301LT1 TP MOTOROLA SOT23 30V 13NA 200NA D602 0DS301109AA DIODE SWITCHING MMBD301LT1 TP MOTOROLA SOT23 30V 13NA 200NA D802 0DS226009AA DIODE SWITCHING KDS226 TP KEC SOT 23 80V 300MA 2A 4NS 0 5UA D803 0DS226009AA DIODE SWITCHING KDS226 TP KEC SOT 23 80V 300MA 2A 4NS 0 5UA D804 0DS22600...

Страница 31: ...300 T TDK CHIP BEAD LCD L821 6210TCT002B FILTER CIRC EMC ACB2012M 300 T TDK CHIP BEAD LCD L822 6210TCT002B FILTER CIRC EMC ACB2012M 300 T TDK CHIP BEAD LCD L823 6210TCT002B FILTER CIRC EMC ACB2012M 300 T TDK CHIP BEAD LCD L824 6210TCT002B FILTER CIRC EMC ACB2012M 300 T TDK CHIP BEAD LCD L825 6210TCE001B CORE CIRC BEAD HH 1H3216 500JT CERATEC 3216MM CHIP BEAD L826 6210TCT002B FILTER CIRC EMC ACB201...

Страница 32: ... 5 00 D R347 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R349 0RH1002D622 RESISTOR METAL GLAZED CHIP 10K OHM 1 10 W 2012 5 00 D R350 0RH0000D622 RESISTOR CHIP 0 1 10W P TYPE TAPPING R351 0RH0000D622 RESISTOR CHIP 0 1 10W P TYPE TAPPING R353 0RH0102D622 RESISTOR CHIP 10 1 10W 5 D R TP R354 0RH0000D622 RESISTOR CHIP 0 1 10W P TYPE TAPPING R355 0RH0000D622 RESISTOR CHIP 0 1 10W P TYPE TAPPING R356 0R...

Страница 33: ...PE TAPPING R802 0RH0000D622 RESISTOR CHIP 0 1 10W P TYPE TAPPING R837 0RH0752D622 RESISTOR CHIP 75 1 10W 5 D R TP R842 0RH0752D622 RESISTOR CHIP 75 1 10W 5 D R TP R846 0RH1002D622 RESISTOR METAL GLAZED CHIP 10K OHM 1 10 W 2012 5 00 D R847 0RH1002D622 RESISTOR METAL GLAZED CHIP 10K OHM 1 10 W 2012 5 00 D R849 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R TP R850 0RH0222D622 RESISTOR CHIP 22 1 10W 5 D R ...

Страница 34: ...F 2012 R TP C27 0CH8107F611 CAPACITOR CHIP AL ELECTROLYTIC 100UF 16V M 85STD CYL R TP C28 0CH3103K516 CAPACITOR CHIP CERAMIC LD LESS HD 10000PF 50V K B 2012 R TP C29 0CH8107H611 CAPACITOR CHIP AL ELECTROLYTIC 100UF 25V M 85STD CYL R TP C30 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C31 0CH3104K566 CAPACITOR CHIP CERAMIC LD LESS HD 0 1UF 50V K X 2012 R TP C32 0CH3104K566 ...

Страница 35: ...10W 5 D R TP R36 0RH3602D622 RESISTOR CHIP 36K 1 10W 5 D R TP R37 0RH1501D622 RESISTOR METAL GLAZED CHIP 1 5K OHM 1 10 W 2012 5 00 D R38 0RH3602D622 RESISTOR CHIP 36K 1 10W 5 D R TP R39 0RH3602D622 RESISTOR CHIP 36K 1 10W 5 D R TP R40 0RH9101D622 RESISTOR CHIP 9 1K 1 10W 5 D R TP R41 0RH1502D622 RESISTOR CHIP 15K 1 10W 5 D R TP U1 0IRH033200A IC ROHM BA033FP E2 MOLD 3 TP REGULATOR U2 0ITI204600B I...

Страница 36: ...51 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 GNDP5 GNDP0 OSDGO1 OSDGO0 DEN VSYNC OUT H SYNC OUT VCCP4 ROA0 ROA1 ROA2 ROA3 ROA4 ROA5 R...

Страница 37: ...E 46 VSYNC 47 HSYNC 48 QO0 49 QO1 50 75 QO21 74 QO20 73 QO19 72 QO18 71 QO17 70 QO16 69 GND 68 VCC 67 QO15 66 QO14 65 QO13 64 QO12 63 QO11 62 QO10 61 QO9 60 QO8 59 OGND 58 OVCC 57 QO7 56 QO6 55 QO5 54 QO4 53 QO3 52 QO2 51 QO22 OCK_INV 100 RESERVED 99 PGND 98 PVCC 97 EXT_RES 96 AVCC 95 RXC 94 RXC 93 AGND 92 RX0 91 RX0 90 AGND 89 AVCC 88 AGND 87 RX1 86 RX1 85 AVCC 84 AGND 83 AVCC 82 RX2 81 RX2 80 AG...

Страница 38: ...ak internal pull down device brings each output to ground Output Odd Data 23 0 corresponds to the second 24 bit pixel data for 2 pixels clock mode ODCK 44 Out Output Data Clock This output can be inverted using the OCK_INV pin A low level on PD or PDO will put the output driver into a high impedance tri state mode A weak internal pull down device brings the output to ground DE 46 Out Output Data E...

Страница 39: ...Power PLL Analog VCC must be set to 3 3V PGND 98 Ground PLL Analog GND Power Management Pins Description Pin Name Pin Type Description SCDT 8 Out Sync Detect A HIGH level is outputted when DE is actively toggling indicating that the link is alive A LOW level is outputted when DE is inactive indicating the link is down Can be connected to PDO to power down the outputs when DE is not detected The SC...

Страница 40: ...put 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 41: ...0 BOOT A capacitor connected between this pin and the output 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 3...

Страница 42: ...RAM 1 Vcc 2 GND 3 OUTPUT 1 3 2 MC54 74F04 Hex Inverter 1 14 Symbol VCC TA IOH IOL VIH VIL VIK Parameter Supply Voltage Operating Ambient Temperature Range Output Current High Output Current Low Input High Voltage Input Low Voltage Input Clamp Diode Voltage Symbol VOH VOL IIH IIL IOS ICC Parameter Output High Voltage Output Low Voltage Input High Current Input Low Current Output Short Circuit Curre...

Страница 43: ... 43 PARTS TYPE PARTS TYPE KA78M05R 1 INPUT 2 GND 3 OUTPUT 1 3 2 KSC1623 1 BASE 2 EMITTER 3 COLLECTOR 2 3 1 Regulator Transistor AD9884A 100MSPS 140MSPS Analog Flat Panel Interface Pin Configurations ...

Страница 44: ...SCHEMATIC DIAGRAM 44 1 INPUT SWITCHING ...

Страница 45: ... 45 2 AD9884 PRE AMP PLL ADC ...

Страница 46: ... 46 3 VIDEO PROCESS ...

Страница 47: ... 47 4 MEMORY ...

Страница 48: ... 48 5 LVDS ...

Страница 49: ... 49 6 MICOM ...

Страница 50: ... 50 7 DC DC CONVERTOR ...

Страница 51: ... 51 8 CONNECTOR JACKS BRAND ...

Страница 52: ... 52 9 USB ...

Страница 53: ... 53 10 CONTROL POWER KEY ...

Страница 54: ...PACKING AND ACCESSORIES 54 Right Packing PE Bag Left Packing Owner s Manual Adaptor Signal Cable Power Cord 110V or 220V Kit Box DVI I Adaptor ...

Страница 55: ...May 2001 P NO 3828TSL046D Printed in Korea ...

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