APPLICABLE TO - THOMSON - 20LCD B3B - TELEFUNKEN - SABA - FERGUSON - BRANDT TVs
ENTERING SERVICE MODE {supports 15", 20" and 20" bi-sonic.}
- Press the "Menu" button and the screen will appear. "Overview" below as Figure Overview OSD.
- Press "Info" button and "1", "0" and "3" buttons step by step to enter Service Mode. Service mode will appear on the screen.
- Color Temp: P-N means 'Normal' on Ypbpr1, V-N means 'Normal' on video mode. Each item decide different gamma curve.
- Red drive, Green drive and Blue drive, means gamma RGB gain control by scaler.
- Red-offset, Green-offset and Blue-offset means gamma RGB offset.
- Reset to Default => Press "OK" button will load all default value on user OSD.
- Calibration => Press this both guide to calibrate A/D converter, white/black level on PC input. Also guide to calibrate A/D converter Pb,Pr offset on YpbPr input.
- Auto turn on => Toggle On/Off control auto turn On. This function for factory burn-in sets. Only active on selection PC input then main power Off.
- Green lable => Tuner S/W version, time when compiling S/W model name, main S/W version.
- OSD position => OS Didplay posistion selection.
- Factory Save => Press 'OK' to save all parameters on service mode.
- Auto Adjustment => Auto adjustment new timing (Position, Phase etc). Only active on PC mode.
- Video int Gain => This slider bar used to align brightness spec: of video mode. larger value bring to brighter. Control by video decoder VPV3230.
- Color => Adjust color saturation. Same function on User OSD. Control by video.
- Tuner set V-Level => not used.
- Tuner Get V-Level => not used.
- Set First Installation => Enable means TV will pop-up installation OSD at next Power On.
- Tuner Set Factory Programs => not used.
- Exit =. To Exit from Service Mode.
- PW Gamma => Gamma curve selection. 'Automatic' means, pick up proper gamma curve automatically when user choose Normal, Warm and Cool. Value change is not recommended.
- Scale Mode => Screen ratio selection.
- VPC AGC On => Turn On video decoder "Auto gain control" {Analog input leve adjustment}
- VPC AGC Off => Turn OFF Video decoder "Auto gain control".
- HV Lock sensitivity => Tuner HV sync sensitivity. Value chang not recommended. Fake program be detected or Real Program be skipped.
- Color Delay => Color timing delay, which only impact on video mode. For development only. Value change not recommended.
- Audio gain => not used.
- Pb offset => Adjust Pb offset on YpbPr input.
- Pr offset => Adjust Pr offset on YpbPr input.
- Enter PW 1230 adjustment page => De interlacer parameters control. For development only. Value change is not recommended.
- Video Format => Select video standard. Force to 'Auto'.
- Default language => Set default language. Same function on user OSD.
- RGB filter => Sharpness filter for PC port of scaler. Impact on PC and YpbPr input.
- Video filter => Sharpness filter of video of scaaler. Impact on TV Video and YcbCr.
- Monitor sync => Force to "On". So that video format can auto detection.
- Reset all NVRAM => Press "OK" will reset all parameters is on service mode, including color temperature settings, brightness settings...etc.
- Test pattern => Display test pattern which generate by scaler. Only active on PC source.
- H.Position => Adjust Horizontal Position when PC source in.
- V.Position =>Adjust Vertical Position while PC source in.
- Left Time => Left time means the time added by standby + TV On. The right item display the time of TV-On only.
- Project code => As title.
- Panel resolution => As title.
- NvRam ver => display EEPROM data version.
- HVX Res/Hfreq => Timing information. Resolution and H clock.
- HXV Total => Timing information.
- Mode Num => Timing information. Sequence of timing chart.
- DCLK => Timing information Data Clock. These 4{41,42,43 & 44} items above are for development check only.
- Factory Save => Saves factory parameters.
- Green Label => Display tuner S/W version.
