Toshiba 30HF84 Service Manual page 17

2-13: TINT/COLOR CENT
1. Receive the color bar pattern.
2. Connect the oscilloscope to TP806.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (53) on the remote control to
select "TINT".
4. Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line.
(Refer to Fig. 2-3)
5. Connect the oscilloscope to TP805.
6. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (49) on the remote control to
select "COL.CENT".
7. Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 125 ± 10% of the
white level. (Refer to Fig. 2-4)
8. Please check whether the waveform of TP806 is straight
line. If is not a straight line, adjust to TINT again.
9. Receive the color bar pattern. (Audio Video Input)
10. Press the TV/VIDEO button on the remote control to set to
the AV mode. Then perform the above adjustments 2~8.
11. Receive the color bar pattern.
12. Press the TV/VIDEO button on the remote control to set to
the CS mode. Then perform the above adjustments 2~8.
13. Receive the color bar pattern.
14. Press the TV/VIDEO button on the remote control to set to
the HD-MI mode. Then perform the above adjustments
2~8.
ELECTRICAL ADJUSTMENTS
"A"
"A"
Fig. 2-3
100%
125%
Fig. 2-4
2-14: TILT
1. Connect the digital voltmeter between W843 and W844.
2. Receive the crosshatch signal from the Pattern Generator.
3. Press the PIC SIZE button on the remote control to select
the FULL screen mode.
4. Using the remote control, set the brightness and contrast
to normal position.
5. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (57) on the remote control to
select "TILT CENT".
6. Press the VOL. UP/DOWN button on the remote control
until the voltage become minimum(0V).
2-15: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO. FUNCTION
03 V.POSI
07 V-EHT
08 H-EHT
09 V-BLK P
10 V-BLK S
12 V.LIMIT
13 V.CORR
14 C.S.CORR
19 S.CORR
20 CORNER
21 C.PARA
22 C.SAW
23 V.SYMM
39 R-Y GAIN
40 R-Y PHASE
41 G-Y GAIN
42 G-Y PHASE
44 BRI.MAX
45 BRI.MIN
46 CONT.CENT
47 CONT.MAX
48 CONT.MIN
50 COL.MAX
51 COL.MIN
54 SHARP.CENT
55 SHARP.MAX
56 SHARP.MIN
D-4
AV CS HD-MI
RF
01 01 01
01
04 04 04 04
03 03 03
03
31 31 31 31
00 00 00 00
00 00 00
00
02 02 02 02
30 30 30
30
16 16 16
16
21 21 21 21
8 8 8
8
8 8 8 8
128 128 128 128
8 8 8
8
0 0 0 0
5 5 5 5
0 0 0
0
250 250 250 250
110 110 110
110
70 70 70 70
127 127 127 127
40 40 40
40
127 127 127 127
0 0 0 0
55 64 64
55
100 100 100 100
0 0 0
0