Toshiba 27A45 Service Manual page 22

2-16: TINT
1. Receive the color bar pattern. (RF Input)
2. Using the remote control, set the brightness, contrast,
color and tint to normal position.
3. Connect the oscilloscope to TP024.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (24) on the remote control to
select "TINT".
5. Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line.
(Refer to Fig. 2-4)
6. Receive the video color bar pattern. (Audio Video Input)
7. Set to the AV mode. Then perform the above adjustments
2~5.
8. Press the TV/VIDEO button on the remote control to set to
the CS mode. Then perform the above adjustments 2~4.
9. Press the VOL. UP/DOWN button on the remote control
until the tint step No. becomes "55".
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 "CONT. MAX".
2. Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "85".
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 "H.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.
ELECTRICAL ADJUSTMENTS
"A"
Fig. 2-4
2-19: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO. FUNCTION
02 H.VCO
04 AFC GAIN
05 V.SHIFT
09 VS.CORRECTION
15 BRI.MAX
17 BRI.MIN
19 CONT.CENT
20 CONT.MIN
21 COL.MAX
23 COL.MIN
25 SHARPNESS
26 CB DL
27 CR DL
28 CB PED
29 CR PED
31 CORNER
D-4
RF AV CS
03 03 03
04 04
04
02 02
02
38 38 38
140 140 140
45 45
45
64 64
64
20 20 20
90 90 90
00 00 00
40 40
40
00 00
00
00 00 00
08 08 08
08 08
08
35 35
35
27A45/27A45C