Toshiba 21S23N Service Manual page 16

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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 TP803.
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: HORIZONTAL POSITION TEXT
1. Using the remote control, set the brightness and
contrast to normal position.
2. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (37) on the remote control to
select "H POSI TEXT".
3. Press the TEXT/MIN/TV button on the remote control.
4. Press the VOL. +/- button on the remote control until
the difference of A and B becomes minimum.
(Refer to Fig. 2-3)
BAR T'TEXT
A
ELECTRICAL ADJUSTMENTS
Fig. 2-2
B
Fig. 2-3
D-3
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
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
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.
RF AV
00
---
00 ---
00 ---
45 ---
05 ---
00 ---
25 25
16 16
30 ADJ.
02 02
50 50
10 10
50 50
10
10
127 ---
31 ---
00 ---
15
---
00 ---
135 ---
57 ---
57
---