LG MC022Aadj free download

File name MC022Aadj.pdf

ADJUSTMENT INSTRUCTIONS 1. Safety Precautions 5. Screen Voltage & White Balance Adjustment 1. It is safe to adjust after using insulating transformer between the power supply line and chassis input to prevent the risk of 5-1. Adjustment of screen manually electric shock and protect the instrument. (Using ADJ.Remote Control) 2. Never disconnect leads while the TV receiver is on. 3. Don't short any portion of circuits while power is on. 1) Receive the PAL or SECAM(NTSC) signal into RF mode 4. The adjustment must be done by the correct appliances. regardless of channel. 5. Unless otherwise noted, set the line voltage to 230Vac!10%, 2) If you press the "ADJ"button in LINE SVC mode(IN-START 50Hz. button),the LINE SVC mode changes to screen adjustment 6. The adjustment of TVshould be performed after warming up mode. for 15 minutes. 3) Turn the Sreen Volume of FBT to change luminance of White signal center as shown below.(Deviation ! 1FL) 4) Press the EXIT button (Like TV/AV) to exit SVC mode. 2. Test Equipment required 1. RF signal generator (with pattern generator) CPT & INCH Luminance(Manual) Note 2. DC Power Supply 29" FLAT 6!1FL Single Focus 3. Multimeter (volt meter) 25" FLAT 8!1FL 4. Oscilloscope 5. Color analyzer 29" NORMAL 5!1FL 25" NORMAL 6!1FL 28" NORMAL 8!1FL 3.DVCO Adjustment 1) This is for adjustment of VCT38XX,crystal oscillator 5-2. Adjustment of white balance manually(LIne-SVC 1) frequency after receiving a company Digital pattern.(PAL:EU05CH,NTSC:13CH) 1) Tune the TV set to receive an 100% white pattern. 2) When entering adjustment mode by pressing IN-START 2) Adjust LOW LIght status of CUT R,CUT B at CUT G:50. button,DVCO adjustment is operating automatically. 3) Adjust HIGH LIght status of WDR R,WDR B at WDR G:380. (T/X doesn't operating occassionally during DVCO 4) Repeat above step 2) and 3) for the best condition each adjustment.)