TOSHIBA 19A24 Repair Manual

ELECTRICAL ADJUSTMENTS
2-6: VERTICAL SIZE
1.Receive the monoscope pattern.
2.Using the remote control, set the brightness and contrast
to normal position.
3.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select OV. SIZE�.
4.Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside and
downside becomes 10 ? 2%.
2-7: SUB BRIGHTNESSwhite 100%red 110%
Fig. 2-2
1.Receive the monoscope pattern. (RF Input)
2.Using the remote control, set the brightness and contrast2-9: SUB CONTRAST
to normal position.
1.Activate the adjustment mode display of Fig. 1-1 and
3.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (17) on the remote control to
press the channel button (13) on the remote control to
select OCONT. MAX�.
select "BRI.CENT".
2.Press the VOL. UP/DOWN button on the remote control
4.Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes O60�.
until the white 0% is starting to be visible
3.Receive a broadcast and check if the picture is normal.
5.Receive the monoscope pattern. (Audio Video Input)
4.Press the TV/VIDEO button on the remote control to set to
6.Press the TV/VIDEO button on the remote control to set
the AV mode. Then perform the above adjustments 1~3.
to the AV mode. Then perform the above adjustments
2~4.
2-10: OSD HORIZONTAL
2-8: SUB TINT/SUB COLOR1. Activate the adjustment mode display of Fig. 1-1.
2. Press the VOL. UP/DOWN button on the remote control
1.Receive the color bar pattern.
until the difference of A and B becomes minimum.
2.Connect the oscilloscope to TP023.
(Refer to Fig. 2-3)
3.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "TINT".
4. Press the VOL. UP/DOWN button on the remote controlTV
until the section "A" becomes as straight line
(Refer to Fig. 2-1)
5.Connect the oscilloscope to TP022.
6.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (19) on the remote control to
select "COL.CENT".00 OSD 28
7.Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 110 ? 10% of the
AB
white level. (Refer to Fig. 2-2)Fig. 2-3
8.Receive the color bar pattern. (Audio Video Input)
9.Press the TV/VIDEO button on the remote control to set
2-11: Confirmation of Fixed Value (Step No.)
to the AV mode. Then perform the above adjustments
2~7Please check if the fixed values of the each adjustment
items are set correctly referring below. (RF/AV)
NO. FUNCTIONSTEP NO.
04 H. VCO04
14 BRIGHT MAX183
15 BRIGHT MIN60
16 CONTRAST CENT30
18 CONTRAST MIN17
20 COLOR MAX74
"A"
21 COLOR MIN00
23 SHARPNESS45
24 FM LEVEL00
25 LEVEL00
Fig. 2-1
26 SEPARATION100
27 SEPARATION200
D-2