Toshiba 15V31D Service Manual - Page 15
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2-13: TINT
1.
Receive the NTSC color bar pattern. (Audio Video Input)
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Connect the oscilloscope to TP024.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (20) on the remote control to
select "TINT".
5.
Press the VOL. +/- button on the remote control until the
section "A" becomes a straight line. (Refer to Fig. 2-2)
"A"
2-14: Confirmation of Fixed Value (Step No.)
Please check if the fixed values of each the adjustment
items are set correctly referring below.
NO.
FUNCTION
02
AGC GAIN
04
R CUTOFF
06
G CUTOFF
07
B DRIVE
09
V POSI (50)
10
V POSI (60)
18
BRIGHT MAX
19
BRIGHT MIN
20
TINT
21
SHARP
23
CONTRAST MAX
24
CONTRAST MIN
26
COLOR MAX
27
COLOR MIN
30
M B CUT OFF
31
CVBS OUT
32
APR THRESHOLD
33
BELL FILTER
34
BANDPASS
35
H POSI OSD
36
V POSI OSD
37
H POSI TEXT
38
V POSI TEXT
* To check for the fixed values of the RF (60Hz), indicate
the adjustment mode screen while input the 60Hz video
signal.
ELECTRICAL ADJUSTMENTS
Fig. 2-2
RF
AV
00
---
00
---
00
---
45
---
08
---
08
---
30
30
13
13
32
ADJ.
02
02
40
40
10
10
50
50
10
10
127
---
31
---
00
---
00
---
00
---
125
---
50
---
122
---
58
---
D-3