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NO
ADJUSTMENT POINT
14
V-SHIFT50
(I2C BUS CONTROL)
PAL Adjustment
(using external signal
to input AV)
V-AMP-50
15
(12C BUS CONTROL)
(to be done after
V-shift adj)
H-SHIFT-50
16
(I2C BUS CONTROL)
17
EW-W-50
(I2C BUS CONTROL)
18
E/W-PAR-50
(I2C BUS CONTROL)
ADJUSTMENT CONDITION / PROCEDURE
(1) Receive Monoscope Pattern Signal
(PAL 50 Hz).
(2) Choose the service data 03 V-SHI-50
(3) Adjust V-SHI-50 bus data to have a most
acceptable vertical position, the monoscope
pattern should be Balance in vertical position.
Note: B line (Monoscope middle line) must
same or nearest higher position to the A
mark (Tube middle mark), refer to the attach
drawing.
(1) Receive Monoscope Pattern Signal
(PAL 50 Hz).
(2) Choose the service data 04 V-AMP-50.
(3) Adjust V-AMP-50 bus data until the overscan
become 10 ± 1.5 %.
Caution 1: Pls aging TV more than
10 minutes before adjustment
(1) Receive Monoscope Pattern Signal
(PAL 50 Hz).
(2) Choose the service data 05 H-SHI-50.
(3) Adjust the H-SHI-50 bus data to have a
balance position to spec of A=B
(as attach drawing).
(4) If cannot make it to A=B, adjust from the
best point so that B slightly smaller than A.
(1) Receive Monoscope Pattern Signal
(PAL 50 Hz).
(2) Choose the service data 06 EW-W-50.
(3) Adjust EW-W-50 bus data until the overscan
becomes 10 ± 1.5 %.
(1) Receive CrossHatch Pattern Signal
(PAL 50 Hz).
(2) Choose the service data 07 E/W-PAR-50.
(3) Adjust the 2nd vertical line from the right
end of the crosshatch pattern so that the
middle 4 blocks are straight.
3 – 16
21V-FS700S
WAVEFORM OR OTHERS
Figure:
A
B
OK
OK
A
NG
B
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