COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-29 FACTORY MODEL: LG808H MODEL: FPD1830 KRSVM000063307 BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. AUTO/SET...
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...
TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Back Porch Total Period Video Active Time Front Porch Sync Duration Sync Mode Resolution Frequency Clock Polarity Sort 31.469 640x350 25.175 70Hz...
OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW AUTO SOURCE/SET Power Indicator Power Button Power Connecter SOURCE/SET Button OSD Button D-Sub Signal DVI-D Signal Connector Connector Buttons Front Control Panel AUTO SOURCE/SET 1. Power ON/OFF Button 4. SOURCE/SET Button Use this button to turn the monitor on or off. Use this button to make Dsub or DVI connector active.
DESCRIPTION OF BLOCK DIAGRAM 1. Video Controller Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL. The range of the pixel clock is from 25MHz to 135MHz.
POWER BOARD 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 COLLECTION SECONDA RY PRIMARY OPERATION DESCRIPTION_POWER 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC, VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse.
ADJUSTMENT All adjustment are thoroughly checked and corrected 2. Adjustment for White Balance when the monitor leaves the factory, but sometimes 1) Display Black pattern at SXGA/60Hz. 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.
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...
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2. NO RASTER NO RASTER CHECK TROUBLE IN J702 PIN 1, 2, 3 BULT-IN POWER (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...
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. 08. 08. DATE: 2002. 08. 08. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
PIN CONFIGURATION GM5020 GENESIS 292P FUNCTIONAL BLOCK DIAGRAM Serial I/F SDRAM/I/F Host Micro- Frame Store Interface processor Interface Anolog Triple YUV to RGB Output Image Converter Panel I/F Digital Zoom/ Data Frame Rate TMDS Caputure/ Gamma [48-bits] TMDS Brightness, Shrink/ Path/ Conversion Measure.
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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 CONTROL...