Sharp 9Q-FG1A Service Manual page 16

29Q-FG1A/1F/1N/1S/1U
HORIZONTAL , VERTICAL, DEFLECTION LOOP AND ADJUSTMENT
NO ADJUSTMENT POINT
1 MAIN SCREEN
ADJUSTMENT
V-SLOPE Adjust V-Slope by Volume Up / Down Remote Control.
Refer to Fig. 1.1.
V-SHI-50 Align the center of the screen to the geometric center of CRT.
V-AMP-50 Adjust the overscan to 8%
V-LIN Adjust the linearity to the best.
S COR Already preset.(Adjust this unless the linearity is achieved.)
H-SHI-50 Align the center of the screen to the geometric center of CRT.
EW-W-50 Adjust the overscan to 10%
E/W-PAR-50 Adjust the 2nd vertical line from the right end of the crosshatch pattern
UPCOR-PAR Adjust the 2nd upper vertical line from the right end of the crosshatch pattern
LOCOR-PAR Adjust the 2nd lower vertical line from the right end of the crosshatch pattern
H-BOW Adjust the 2nd vertical line from the end of the crosshatch pattern
Refer to Fig 1.7.
H-PAR Adjust the 2nd vertical line from the end of the crosshatch pattern
Refer to Fig 1.6.
EW-TRAP Adjust the 2nd vertical line from the right end of the crosshatch pattern
so that the D1 (center area of the second vertical line - edge of screen)
and D2 (top area of the second vertical line - edge of screen) are same.
Refer to Fig 1-5.
V-SHI-60 Align the center of the screen to the geometric center of CRT.
V-AMP-60 Adjust the overscan to 10%.
H-SHI-60 Align the center of the screen to the geometric center of CRT.
EW-W-60 Adjust the overscan to 10% .
E/W-PAR-60 Adjust the 2nd vertical line from the right end of the crosshatch pattern
ADJUSTMENT CONDITION / PROCEDURE
3 – 13
WAVEFORM OR REMARKS
A
B
(monoscope)
C
(monoscope)
A = Out of spec
(monoscope)
B = OK
C = Out of spec
(monoscope)
(monoscope)
(monoscope)
(monoscope)
Fig 1-2
(crosshatch)
(crosshatch)
(crosshatch) Fig 1-3
(crosshatch)
(crosshatch)
Fig 1-4
(crosshatch)
(monoscope)
(monoscope)
Fig 1-5
(monoscope)
(monoscope)
H-PAR
(crosshatch)
Fig 1.6
H-BOW
Fig 1.7
Fig 1-1
D2
D1