Related Manuals for LG FPD1730
Summary of Contents for LG FPD1730
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Page 1: Color Monitor
COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-36 FACTORY MODEL: LG708G MODEL: FPD1730 CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. AUTO/SET... -
Page 2: Table Of Contents
CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............11 PRECAUTIONS ............3 TROUBLESHOOTING GUIDE ......12 TIMING CHART ............4 PRINTED CIRCUIT BOARD........17 OPERATING INSTRUCTIONS ........ 5 EXPLODED VIEW...........19 WIRING DIAGRAM ..........6 REPLACEMENT PARTS LIST .......21 DISASSEMBLY ............7 PIN CONFIGURATION..........25 BLOCK DIAGRAM AND DESCRIPTION .... -
Page 3: Precautions
PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must disconnect the AC adapter... -
Page 4: Timing Chart
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Sync Total Period Video Active Front Porch Sync Duration Back Porch Mode Resolution Frequency Clock Time (A) Sort Polarity 31.469 640x350 25.175... -
Page 5: Operating Instructions
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW Power Connector AUTO/SET Power Indicator Power Button AUTO/SET Button OSD Button D-Sub Signal Connector Buttons Front Control Panel AUTO/SET 1. Power ON/OFF Button 4. AUTO/SET Button Use this button to turn the monitor on or off. Use this button to enter a selection in the on screen display. -
Page 6: Wiring Diagram
WIRING DIAGRAM P902 Connector Ass’y P/No.: Connector Ass’y P/No.: 6631T11012W 6631T25008R J705 J801 Connector Ass’y P/No.: J704 6831T20015K J703 Connector Ass’y P/No.: 6631T20015A - 6 -... -
Page 7: Disassembly
DISASSEMBLY BACK COVER REMOVAL Caution: When you open the Back cover, Be careful! Dont stress the Control Board Connector. Bottom (b) Latch Point 2) Set the Monitor as picture. 1) Remove two screws (a) from Back cover. 3) Release the bottom & side latch. 4) Set the Monitor face downward. -
Page 8: Block Diagram And Description
Tx+/-,Hs,Vs,CLK,DEN Module Power (5V) LVDS Tx AC/DC Block GM5020 EEPROM + PLL (SYSTEM) Scaling Inverter 2.5V Regulator BRT-CTL 3.3V INV-CTL Regulator 12V(Inverter) 90-264V AC/DC (EDID) Analog Adapter Signal 5.0V DSUB AC Input... - Page 9 DESCRIPTION OF BLOCK DIAGRAM (Main Board) 1. Input signal switching part. There is one input which is analog. It comes from 15 pin D-Sub connector. 2. Pre-amp/ ADC / PLL / Video Controller. This part amplifies the level of video signal from the analog video signal to the digital video signal using a pixel clock.
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Page 10: Block Diagram
BLOCK DIAGRAM POWER BOADR 50 ~ 60Hz 100KHz HVDC INPUT RECTIFIER ENERGY OUTPUT RECTIFIER COMPONENTS AND FILTER TRANSFER AND FILTER LINE 100 ~ 240V PWM CONTROL PHOTO-COUPLER SIGNAL CIRCUIT ISOLATION COLLENTION SECONDA RY PRIMARY DESCRIPTION OF BLOCK DIAGRAM 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC the circuit included a line-filter, across line capacitor and of course the primary protection fuse. -
Page 11: Adjustment
ADJUSTMENT All adjustment are thoroughly checked and corrected 3. Adjustment for White Balance when the monitor leaves the factory, but sometimes 1) Display color 0,0 pattern at Mode 12. several minor adjustment may be required. 2) Set External Bright to MAX position and Contrast to Adjustment should be following procedure and after MAX Position. -
Page 12: Troubleshooting Guide
TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J801 TROUBLE IN INPUT VOLTAGE BULT-IN POWER (12V) ? CHECK J801 TROUBLE IN 5VST VOLTAGE BULT-IN POWER (5V) ? CHECK U501’s PIN 6. TROUBLE IN IS THIS PIN U501 or X501 OSCILLATED? TROUBLE SOMEWHERE ELSE... - Page 13 2. NO RASTER NO RASTER CHECK TROUBLE IN J702 PIN 1, 2, 3 POWER ADATER (12V) ? or L703, L704 CHECK TROUBLE IN J702 PIN 8 (5V) ? INVON PATTERN CHECK TROUBLE IN X501 X501 H. PULSE ? CHECK TROUBLE IN U201(GM5020) ? U201 CHECK...
- Page 14 CHECK TROUBLE IN L204 U201 PULSE ? CHECK CHECK DOT CLOCK U401 PIN 10 PATTERN PULSE ? CHECK CHECK U401 PIN 8 V.PULSE? DVS PATTERN CHECK CHECK U401 PIN 7 DHS PATTERN V.PULSE? TROUBLE IN LCD MODULE - 14 -...
- Page 15 3. NO CLOCK (CLOCK GENERATOR) NO DOT CLOCK CHECK TROUBLE IN X201 24MHz ? X201 CHECK TROUBLE IN L201 U201 CLOCK ? - 15 -...
- Page 16 4. TROUBLE IN DPM TROUBLE IN DPM CHECK PC CHECK PC IS NOT GOING R233, R234? INTO DPM OFF MODE CHECK U501 PIN 6 TROUBLE IN WAVEFORM X501 (24MHz) ? CHECK TROUBLE IN U501 PIN 11 SIGNAL CABLE (0V) ? TROUBLE IN PC - 16 -...
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Page 17: Printed Circuit Board
PRINTED CIRCUIT BOARD 1. MAIN BOARD (Component Side) 2. CONTROL BOARD (Component Side) 3. CONTROL BOARD (Solder Side) - 17 -... - Page 18 4. POWER BOARD (Component Side) 5. POWER BOARD (Solder Side) - 18 -...
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Page 19: Exploded View
EXPLODED VIEW - 19 -... -
Page 20: Exploded View Parts List
3809TKL028A TILT SWIVEL ASSEMBLY LG708J(17INCH) . ABS320T(8C793)\ 3043TKK078J METAL ASSEMBLY, FRAME AU LG708G 4951TKS082E INVERTER ASSEMBLY LG-PHILIPS NMC1804,4-LAMP AU MODULE LB782\ 6633TZA011A SHIELD INVERTER LB782F 4814TKK200A MAIN TOTAL ASSEMBLY LG708G.ADRDG G/WAY CL-36 3313TL7003C CONNECTOR ASSEMBLY, 30P H-H 200MM UL20276 LG708G... -
Page 21: Replacement Parts List
REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS DATE: 2002. 04. 22. DATE: 2002. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. - Page 22 DATE: 2002. 04. 22. DATE: 2002. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C831 0CH8107F611 100UF 16V M 85STD(CYL) R/TP L810 6210TCE001G HH-1M3216-501 CERATEC 3216MM R/ C832 0CK103CK51A 0.01UF 1608 50V 10% R/TP B(Y5P) L811...
- Page 23 DATE: 2002. 04. 22. DATE: 2002. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION POWER BOARD R534 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP R535 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP BD901 0DD360000DA D3SBA60 BK SHINDENGEN 600V 2.
- Page 24 DATE: 2002. 04. 22. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R928 0RD0202Q609 20 1/4W(3 5% TA52 T901 6170TMZ125A EER3016 340UH V-10PIN LB886F SC TH901 6322TA080AA TP8D13 DAEWOO +/- 15% 110/220V ZD901 0DZ470009BC GDZ4.7B TP GRANDE DO34 0.5W 4.7 CONTROL BOARD 0CN1040K949 0.1M 50V Z F TA52...
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Page 25: Pin Configuration
PIN CONFIGURATION CAT24WC08J-TE13 8P BLOCK DIAGRAM DIP Package(p) SOIX Package(J) EXTERNAL LOAD V CC V CC SENSE AMPS D OUT SHIFT REGISTERS V SS V SS V CC COLUMN V SS WORD ADDRESS DECODERS BUFFERS TSSOP Package(U) START/STOP LOGIC V CC E PROM XDEC V SS...