Sanyo PLV-HD2000N Service Manual

Also see for PLV-HD2000E: Owner's manual Brochure Specifications

Contents

-82-● Circuit Adjustments[Adjustment Condition]● Input signalComputer signal .................... 0.7Vp-p/75Ω terminated,16 steps gray scale pattern (XGA),100% white pattern (XGA)50% white pattern (XGA),1 dot line pattern (UXGA)Component Video signal........ 0.7Vp-p/75Ω terminated,16 steps gray scale pattern (1080i/60),100% white pattern (1080i/60)50% white pattern (1080i/60)SDI signal .............................. SDI standard,16 steps gray scale pattern (1080i/60)● 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 performance andproduct safety.16 steps gray scale patternElectrical AdjustmentsNote :■ The following adjustment is the adjustment item forAssembly power. The test point exists on Assembly POWER.1. +6V voltage adjustment■ The following adjustment is the adjustment item forSwitching Regulator. The test point exists on Unit Sub-Power.2. +25V voltage adjustment■ The following adjustment is the adjustment item forAssembly sub power and Assembly main. The adjustmentdata is stored to Assembly main (IC803). The test points existon Net-1, EXH Fannet, PBS Fannet and Unit Sub-Power.3. Fan driving voltage adjustmentLocation of test points can be seen on"Printed Wiring Board Drawings."■ The following adjustments are the adjustment item forAssembly main. The adjustment data is stored to Assemblymain (IC803). The test points exist on Assembly MAIN.4. Video signal center adjustment5. Gain adjustment (PC)6. Gain adjustment (AV)7. DVI level adjustment8. SDI level adjustment9. Common center adjustment10. Common center adjustment (Reverse)11. Panel luminance adj. (PC,4-lamp)12. White balance adjustment (PC,4-lamp)13. Panel luminance adj. (AV,4-lamp)14. White balance adjustment (AV,4-lamp)15. Panel luminance adj. (PC,2-lamp)16. White balance adjustment (PC,2-lamp)17. Panel luminance adj. (AV,2-lamp)18. White balance adjustment (AV,2-lamp)■ The following adjustment data is stored to Assembly main(IC4822).19. Color shading correction.