Memorex MVT2194, Руководство по обслуживанию

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ELECTRICAL ADJUSTMENTS
D3-3
2-13: SUB TINT
1.
2.
3.
4.
5.
6.
7.
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Connect the oscilloscope to TP801.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "TINT".
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes a straight line.
(Refer to Fig. 2-2)
Receive the color bar pattern. (Audio Video Input)
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~5.
Fig. 2-2
2-14: SUB COLOR
1.
2.
3.
4.
5.
6.
7.
8.
Receive the color bar pattern. (RF Input)
Using the remote control, set the brightness, contrast,
color and tint to normal position.
Connect the oscilloscope to TP803.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (19) on the remote control to
select "COL.CENT".
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110
±
10% of the
white level. (Refer to Fig. 2-3)
Receive the color bar pattern. (Audio Video Input)
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~6.
"A"
100%
White 0%
Red Level
White 100%
Fig. 2-3
2-15: OSD HORIZONTAL
1.
2. Activate the adjustment mode display of Fig. 1-1.
Press the VOL. UP/DOWN button on the remote control
until the difference of A and B becomes minimum.
(Refer to Fig. 2-4)
B A
TV
00 OSD H 22
Fig. 2-4
2-16: SUB SHARPNESS
1.
2.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "SHARP".
Check if the step No. of SHARPNESS is "35".
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 1, 2.
2-17: H VCO
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (04) on the remote control to
select "H VCO".
Check if the step No. of H VCO is "4".
1.
2.