Osd Horizontal; Separation 1, 2; Contrast Max Manual; Level - Toshiba 14af42 Service Manual

2-12: OSD HORIZONTAL

1. Activate the adjustment mode display of Fig. 1-1.
2. Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-3)
00 OSD
A

2-13: SEPARATION 1, 2

Please do the method (1) or method (2) adjustment.
Method (1)
1. Set the multi-sound signal generator for each different
L-ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz)
and receive the RF.
2. Connect the oscilloscope to the Audio Out Jack.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (37) on the remote control to
select "SEP 1".
4. Press the VOL. UP/DOWN button on the remote control
to adjust it until the audio output wave becomes a fine
sine wave.
5. Press the CH UP button once the set to "SEP 2" mode.
Then perform the above adjustment 4.
Method (2)
1. Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF.
2. Connect the oscilloscope to the Audio Out Jack (R-ch).
Press the AUDIO SELECT button on the remote control
3.
to set to the stereo mode.
4. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (37) on the remote control to
select "SEP 1".
Press the VOL. UP/DOWN button on the remote control
5.
to adjust it until the R-ch output becomes minimum.
6. Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF.
7. Connect the oscilloscope to the Audio Out Jack (L-ch).
Activate the adjustment mode display of Fig. 1-1 and
8.
press the channel button (38) on the remote control to
select "SEP 2".
Press the VOL. UP/DOWN button on the remote control
9.
to adjust it until the L-ch output becomes minimum.
ELECTRICAL ADJUSTMENTS
TV
15
B
Fig. 2-3

2-14: CONTRAST MAX MANUAL

1. Receive the color bar pattern. (RF Input)
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 (18) on the remote control to
select "CONT MAX".
4. Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "77".
5. Receive a broadcast and check if the picture is normal.
6. Receive the color bar pattern. (Audio Video Input)
7. Press the TV/VIDEO button on the remote control to 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.
9. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (18) on the remote control to
select "CONT MAX".
10. Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "52".
11. Receive a broadcast and check if the picture is normal.

2-15: LEVEL

1. Receive the monoscope pattern (70dB).
2. Connect the AC voltmeter to pin 3 of J708.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (36) on the remote control to
select "LEVEL".
4. Press the VOL. UP/DOWN button on the remote
control until the AC voltmeter is 75 ± 2mV.
2-16: Confirmation of Fixed Value (step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO. FUNCTION
06 H SIZE
08 V CENT
10 VS CORR
17 SUB CONT
19 CONT CENT
20 CONT MIN
21 BRI MAX
22 BRI MIN
23 COL MAX
25 COL MIN
27 SHARP
28 RGB CONTRAST
29 PARABOLA
30 TRAPEZIU
31 COR TOP
32 COR BTM
33 V EHT
34 H EHT
35 FM LEVEL
39 T.STE
AV CS
RF
00
00
00
25 25
25
10
10
10
15 12
15
40 40
40
10
10
10
88 88
88
32
32
32
100 100
100
00 00
00
30
30
30
25 25
25
00
00
00
00 00
00
00 00
00
00
00
00
00 00
00
00
00
00
01 01
01
00 00
00