Service Mode - Toshiba 20AR21 Service Manual

SERVICE MODE

(1) In the Service Mode, Key is used to select the mode in the following oreder.
AGC &
GEOMETRIC
MODE
FEATURE
OPTION
MODE
AGC &
GEOMETRIC
MODE
AGC TAKE OVER POINT (AGC)
VERTICAL SLOPE (V-LIN)
VERTICAL AMP (V-AMP)
VERTICAL SHIFT (V-CENT)
VERTICAL ZOOM (V-ZOOM)
HORIZONTAL SHIFT (H-CENT)
EAST-WEST WIDTH (H-SIZE)
HORIZONTAL PARALLELOGRAM (EW//)
EAST-WEST PARABOLA / WIDTH (PARA)
EAST-WEST UPPER CORNER
PARABOLA (COR(U))
EAST-WEST LOWER CORNER
PARABOLA (COR(L))
EAST-WEST TRAPEZIUM (TRAPE)
HORIZONTAL BOW (HB)
S-CORRECTION (S-COR)
WHITE POINT
ADJ.
MODE
IC
OPTION
MODE
WHITE POINT
ADJ.
MODE
W.P. RED OFFSET HIGH /
OFFSET BLUE TONE (DRI-R-HI)
W.P. GREEN OFFSET HIGH /
OFFSET BLUE TONE (DRI-G-HI)
W.P.BLUE OFFSET HIGH /
OFFSET BLUE TONE (DRI-B-HI)
W.P. RED MH / STD (DRI-R-MH)
W.P. GREEN MH / STD (DRI-G-MH)
W.P. BLUE MH / STD (DRI-B-MH)
W.P. RED OFFSET ML /
OFFSET RED TONE (DRI-R-ML)
W.P. GREEN OFFSET ML /
OFFSET RED TONE (DRI-G-ML)
W.P. BLUE OFFSET ML /
OFFSET RED TONE (DRI-B-ML)
W.P. RED OFFSET LOW (DRI-R-LO)
W.P. GREEN OFFSET LOW (DRI-G-LO)
W.P. BLUE OFFSET LOW (DRI-B-LO)
7
20AR21
20AR31
SUB
ADJ.
MODE
OFFSET
ADJ.
MODE
MTS
ADJ.
MODE
SUB
ADJ.
MODE
MAX VOLUME (SUB-VOL)
SUB CONTRAST (SUB-CON)
SUB TINT (SUB-TINT)
SUB COLOUR (SUB-COL)
SUB BRIGHTNESS (SUB-BRI)
SUB SHARPNESS (SUB-SHP)
MAX HOTEL VOLUME (HTL-VOL)
HOTEL PROGRAM NO(HTL-PRG)
BLUE BACK CONTRAST (BB-CON)
OSD GRB REFERENCE (RGB)
BLACK LEVEL OFFSET R(CUT-R)
BLACK LEVEL OFFSET G(CUT-G)
CATHODE DRIVE LEVEL(CDL)