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LG FPD1830, Service Manual

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LG FPD1830 Service Manual Download Page 12

- 12 -

2. NO RASTER 

TROUBLE IN
POWER

CHECK

J703 PIN 5, 6

(5V) ?

NO

NO RASTER

TROUBLE IN
POWER

CHECK

J703 PIN 1, 2

(12V) ?

NO

TROUBLE IN
U801

CHECK

U801 

(3.3V)?

NO

TROUBLE IN
U201

CHECK

U201 ?

NO

TROUBLE IN
U203

NO

YES

YES

YES

YES

CHECK

R234, R235, R237

PULSE?

Summary of Contents for FPD1830

Page 1: ...AUTO SOURCE SET OSD COLOR MONITOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS NO CL 42 FACTORY MODEL LG808K MODEL FPD1830 ...

Page 2: ...cy Horizontal 30 83 kHz Vertical 56 75 Hz 4 MAX RESOLUTION Analog 1280 x 1024 75Hz Digital 1280 x 1024 75Hz 4 POWER SUPPLY 4 1 Power AC 100 240V 50 60Hz 1 0A 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 MTBF 50 000 Hours Min 6 DIMENSIONS with TILT SWIVEL Width 422 mm 16 61 Depth 205 mm 8 07 Height 424 mm 16...

Page 3: ... 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...

Page 4: ...60 0 806 768 3 6 29 H 60 123 1312 1024 16 96 176 V 75 029 800 768 1 3 28 H 68 681 1456 1152 32 128 144 V 75 062 915 870 3 3 39 H 61 805 1504 1152 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 25 175 28 321 25 175 31 5 40 0 49 5 57 283 65 0 78 75 100 0 92 97...

Page 5: ...ns to choose or adjust items in the on screen display 4 SOURCE SET Button Use this button to make Dsub or DVI connector active This feature is used when two computers are connected to the monitor The default setting is Dsub Use this button to enter a selection in the on screen display 5 OSD Button Use this button to enter or exit the on screen display AUTO SOURCE SET OSD Buttons OSD Button SOURCE ...

Page 6: ...CN4 CN3 CN6 CN5 CN1 CN7 CN2 J702 J710 J1 J801 P902 P705 WIRING DIAGRAM Connector Ass y P N 6631T20015G Connector Ass y P N 6631T11016D Connector Ass y P N 6631T20015B Connector Ass y P N 6631T25008Q ...

Page 7: ......

Page 8: ...hich stores program data Reset IC The Scaler gets the video signal converted analog to digital interpolates input to1280 X 1024 resolution signal and outputs R G B signal to transmitter The controlled data of each modes and user setting is stored in EEPROM Especially Micom pre amp ADC Video controller are merged to one chip Gm5120 by Genesis 3 Display Data Transmitter Part This part transmit digit...

Page 9: ...ier and a bulk capacitor 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 th...

Page 10: ...lay color 0 0 pattern at Mode 13 2 Select COLOR BIAS CALIBRATION command and Enter 3 No attempt to manually adjust BIAS data is auto matically adjusted and saved to the EEPROM 4 Display color 15 0 pattern at Mode 13 5 Select GAIN CALIBRATION command and Enter 6 6500K and 9300K are automatically adjusted and saved to the EEPROM 7 Select COLOR PRESET END command and Enter 4 Adjustment for EDID 1 Use...

Page 11: ...OWER TROUBLE IN POWER CHECK J703 5V VOLTAGE 5V NO NO POWER POWER INDICATOR OFF TROUBLE SOMEWHERE ELSE TROUBLE IN POWER CHECK J703 INPUT VOLTAGE 12V NO TROUBLE IN U203 or X201 NO YES YES YES CHECK U203 s PIN 151 IS THIS PIN OSCILLATED ...

Page 12: ...OUBLE IN POWER CHECK J703 PIN 5 6 5V NO NO RASTER TROUBLE IN POWER CHECK J703 PIN 1 2 12V NO TROUBLE IN U801 CHECK U801 3 3V NO TROUBLE IN U201 CHECK U201 NO TROUBLE IN U203 NO YES YES YES YES CHECK R234 R235 R237 PULSE ...

Page 13: ... 13 CHECK DOT CLOCK PATTERN NO CHECK DVS PATTERN NO CHECK DHS PATTERN NO YES YES YES YES TROUBLE IN LCD MODULE CHECK U401 PIN 8 V PULSE CHECK U401 PIN 7 H PULSE CHECK U401 PIN 10 PULSE ...

Page 14: ... 14 3 NO CLOCK CLOCK GENERATOR NO DOT CLOCK TROUBLE IN X201 CHECK X201 20MHz NO TROUBLE IN U203 CHECK R237 CLOCK NO YES YES ...

Page 15: ...BLE IN DPM TROUBLE IN DPM TROUBLE IN PC CHECK PC PC IS NOT GOING INTO DPM OFF MODE NO TROUBLE IN X201 NO TROUBLE IN SIGNAL CABLE NO YES YES YES CHECK U203 PIN 152 WAVEFORM 20MHz CHECK R713 R716 CHECK U203 PIN 49 ...

Page 16: ...03 U702 1 C408 C860 R409 RA208 RA206 RA207 U203 70 80 180 190 R223 R224 R226 R225 C282 C281 C204 C210 R718 ZD711 R719 D739 D738 R809 C845 J703 U802 C410 R814 R813 U801 MODEL LG808K P N 6870T573A11 DATE 2002 10 10 RA204 RA205 RA203 90 170 R775 R774 R773 R772 R771 R770 D737 D735 D736 D734 L811 C840 C818 R810 R819 R812 R811 R818 R817 R801 RA202 RA200 RA201 100 110 120 130 140 150 160 R268 C202 C739 C...

Page 17: ...215 C227 R239 C235 C234 D710 C209 R234 C217 C218 C219 C228 C229 C237 C236 C238 R729 D723 D724 C212 C213 R236 R235 R237 C230 C284 C283 R282 C241 C240 C239 C727 D722 D721 C221 C216 C222 C220 R283 C224 C225 C223 C226 C233 C242 C728 R732 R726 R727 D718 D720 D717 D719 C231 R702 D711 ...

Page 18: ...3 POWER BOARD Component Side 4 POWER BOARD Solder Side ...

Page 19: ... 19 EXPLODED VIEW 1 5 8 14 13 11 6 9 12 4 3 b a 7 10 2 ...

Page 20: ...SEMBLY LG808H 3808TKL038 MX TILT SWIVEL ASSEMBLYLG883D BK MX LOCAL HINGE COVER CKD SHIELD INVERTER SHIELD LG808K SKD METAL ASSEMBLY FRAME LG808K CKD INVERTER ASSEMBLY AMBIT K11I010 00 6 LAMPS FOR LG808H PWB PCB ASSEMBLY POWER LG808H POWER TOTAL G WAY MAIN TOTAL ASSEMBLY LG808K G WAY CL 42 CONNECTOR ASSEMBLY 30P H H 200MM UL20276 18 STD LG808H PWB PCB ASSEMBLY SUB LG708K LG808K CONTROL TOTAL G WAY ...

Page 21: ... R TP B Y5P C402 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P DATE 2002 11 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION C403 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C404 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C405 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C406 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C407 0CK103CK51A 0 01UF 1608 50V 10 R TP B Y5P C408 0CH8226F691 22UF 16V 20 105STD CYL R TP...

Page 22: ...R216 0RJ1001D677 1K OHM 1 10 W 5 1608 R TP R217 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R218 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R219 0RJ1002D677 10K OHM 1 10 W 5 1608 R TP R221 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R223 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R224 0RJ1200D677 120 OHM 1 10 W 5 1608 R TP R225 0RJ1200D677 120 OHM 1 10 W 5 1608 R TP R226 0RJ1000D677 100 OHM 1 10 W 5 1608 R TP R227 ...

Page 23: ...0 OHM 1 16 W 5 3215 R TP CH X201 6212AA2004B HC 49U TXC 20 0MHZ 30 PPM DATE 2002 11 11 S AL LOC NO PART NO DESCRIPTION SPECIFICATION BD901 0DD360000DA D3SBA60 BK SHINDENGEN 600V 2 C901 0CBZTBU002B BULK PCX2 335 474K C902 0CKZTTA003A SC E 222M 10 0FF7 250V TP7 5 S C903 0CKZTTA003A SC E 222M 10 0FF7 250V TP7 5 S C904 0CBZTBU002A BULK PCX2 335 224K C905 0CZZTAB002C KMF 18 40 SYE SWE 400V 120UF C906 0...

Page 24: ...0V K B TA52 C6 0CN1010K519 100P 50V K B TA52 SW1 140 058D SKHV10911A LGEC NON 12 20 HORI SW2 140 058D SKHV10911A LGEC NON 12 20 HORI SW3 140 058D SKHV10911A LGEC NON 12 20 HORI SW4 140 058D SKHV10911A LGEC NON 12 20 HORI SW5 140 058D SKHV10911A LGEC NON 12 20 HORI SW6 140 058D SKHV10911A LGEC NON 12 20 HORI SW7 140 058E SKHV10910B LGEC NON 12V 20A HO LED1 0DL305029BA LTL 305DJ 0C2 TP LITEON GREEN ...

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