TOSHIBA 27A45C Repair Manual

ELECTRICAL ADJUSTMENTS
2-16: TINT2-19: Confirmation of Fixed Value (Step No.)
1. Receive the color bar pattern. (RF Input)Please check if the fixed values of the each adjustment
2. Using the remote control, set the brightness, contrast,items are set correctly referring below.
color and tint to normal position.
NO. FUNCTIONRFAVCS
02 H.VCO0303033.Connect the oscilloscope to TP024.
04 AFC GAIN0404044.Activate the adjustment mode display of Fig. 1-1 and
05 V.SHIFT020202press the channel button (24) on the remote control to
09 VS.CORRECTION383838select "TINT".
15 BRI.MAX140140 1405.Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line.
17 BRI.MIN454545(Refer to Fig. 2-4)
19 CONT.CENT6464646.Receive the video color bar pattern. (Audio Video Input)
20 CONT.MIN2020207.Set to the AV mode. Then perform the above adjustments
21 COL.MAX9090902~5.
23 COL.MIN0000008.Press the TV/VIDEO button on the remote control to set to
25 SHARPNESS404040the CS mode. Then perform the above adjustments 2~4.
26 CB DL0000009.Press the VOL. UP/DOWN button on the remote control
27 CR DL000000until the tint step No. becomes "55".
28 CB PED080808
29 CR PED080808
31 CORNER353535
"A"
Fig. 2-4
2-17: CONTRAST MAX
1.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select OCONT. MAX�.
2.Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes O85�.
3.Receive a broadcast and check if the picture is normal.
4.Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments 1~3.
5.Press the TV/VIDEO button on the remote control to set
to the CS mode. Then perform the above adjustments
1~3.
2-18: HORIZONTAL PHASE
1.Receive the center cross signal from the Pattern
Generator.
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 (03) on the remote control to
select OH.PHASE�.
4.Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes minimum.
D-427A45/27A45C