Toshiba Solid State, Service Manual

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VII. VERTICAL S-CORRECTION ADJUSTMENT
1. Receive Cross hatch Pattern
2. Select VSC item adjust value to normal,regular picture.
VIII. VERTICAL CENTER ADJUSTMENT
NTSC (60Hz) Adjustment
(1). Receive Monscope Pattern (60Hz).
(2). Select VP60 item adjust value to obtain the picture at center.
IX. HORIZONTAL PHASE ADJUSTMENT
NTSC(60Hz)
(1).Receive Mono Scope Pattern (60Hz).
(2).Adjust HPOS item value to obtain regular Picture.The picture position.(see table XXIII)
X.EAST-WEST CORRECTION
(1)Receive Mono Scope Pattern (60Hz).
(2)Adjust DPC item to obtain a normal regular picture.
XI. SCANNING SIZE
(1)Receive Mono Scope Pattern (60Hz)
(2)Adjust WID item to obtain fa scanning size (see table XXIII)
XII. WHITE BALANCE ALIGNMENT STEP
(Degauss the picture by degaussing coil if necessary)
1.Receive a Black and White Pattern.
2.Select Remote (2) and (3) button adjust GCUT and BCUT to minimum value,Press(1) button adjust
RCUT to middle value.
3.Press Picture mode, select Brightness and Contrast adjust value to minimum.
4.Turn off the screen voltage ON FBT.
5.Press Remote (-/--) button.
6.Turn on the screen control volume on Flyback transformer a
horizontal red line appear.
7.Press (2) button to obtain a yellow line.
8.Press (3) button to obtain a white line.
9.Press (-/--) button again.
10.Press CH button select GDRV and BDRV item adjust value to make the
picture uniformly white (9300 K + 3JND).
XIII. SUB-BRIGHTNESS ALIGNMENT
1. Receive a Colour Bar Pattern.
2. Set BRIGHTNESS, CONTRAST value to minimum.
3. Select BRTS item.
4. Adjust value until the brightness bar can just be seen.
VIV. FOCUS ALIGHMENT
1. Set the Brightness. sharpness and Contrast to middle position.
2. Receive a Mono scope Pattern.
3. Adjust focus control to obtain the sharpest picture.
SM-74PM P.8