Sanyo PLC-XF46N Service Manual

Also see for PLC-XF46E: Owner's manual Specifications Owner's manual

-79-Electrical Adjustments● Circuit Adjustments[Adjustment Condition]● Input signalComputer signal .................... 0.7Vp-p/75Ω terminated,16 steps gray scale pattern (XGA),100% and 50% white pattern (XGA),1 dot line pattern (XGA)Composite video signal.......... 1.0Vp-p/75Ω terminated,16 steps gray scale pattern,color bar pattern (PAL, NTSC)100% and 50% white patternComponent Video signal........ 0.7Vp-p/75Ω terminated,16 steps gray scale pattern (480i),color bar pattern (480i)● Picture control mode ................ “STANDARD” mode unless otherwise noted.White 100% Black 100%CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the followingadjustments except requiring the readjustments in servicing otherwise it may cause loss of performanceand product safety.16 steps gray scale patternWARNING : USE UV RADIATION EYEAND SKIN PROTECTIONDURING SERVICINGCAUTION: To prevent suffer of UV radiation,those adjustments must be com-pleted within 25 minutes.Note :■ The following adjustment is the adjustment item forAssembly power.1-1. +6V voltage adjustment■ The following adjustment is the adjustment item forSwitching Regulator.1-2. +25V voltage adjustment■ The following adjustmenta are the adjustment items forTerminal board-AV. The adjustment data is stored toTerminal board-AV (IC2143).2. AV video signal adjustment3. AV 3DNR-PLL lock check4. AV color and tint adjustment■ The following adjustment is the adjustment item forAssembly sub power and Assembly main. The adjustmentdata is stored to Assembly main (IC1811).5. Fan driving voltage adjustment■ The following adjustments are the adjustment items forAssembly main. The adjustment data is stored toAssembly main (IC1811).6. Video signal center adjustment7. PSIG adjustment8. Gain adjustment (PC)9. Gain adjustment (AV)10. Gain adjustment (Component)11. Black level adjustment (PC)12. Common center adjustment13. Panel luminance adjustment (PC)14. White balance adjustment (PC)15. Panel luminance adjustment (AV)16. White balance adjustment (AV)17. White balance adjustment (AV 2Lamps)■ The following adjustment data is stored to Assembly main(IC871).18. Color shading correction.