ELECTRICAL ADJUSTMENTS
2-11: CONTRAST MAX MANUAL2-13: LEVEL
1. Activate the adjustment mode display of Fig. 1-1 and1.Receive the monoscope pattern (70dB).
press the channel button (18) on the remote control to2.Connect the AC voltmeter to pin 6 of CP101.
select "CONT.MAX".3.Activate the adjustment mode display of Fig. 1-1 and
2. Press the VOL. UP/DOWN button on the remote controlpress the channel button (33) on the remote control to
until the contrast step No. becomes "74".select "LEVEL".
3. Receive a broadcast and check if the picture is normal.4.Press the VOL. UP/DOWN button on the remote control
4. Press the TV/VIDEO button on the remote to set to theuntil the AC voltmeter is 75 ? 2mV.
AV mode.
5. Activate the adjustment mode display of Fig. 1-1 and2-14: OSD HORIZONTAL
press the channel button (18) on the remote control to1.Activate the adjustment mode display of Fig. 1-1.
select "CONT.MAX".
6. Press the VOL. UP/DOWN button on the remote control2.Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
until the contrast step No. becomes "86".minimum. (Refer to Fig. 2-3)
7. Receive a broadcast and check if the picture is normal.
8. Press the TV/VIDEO button on the remote to set to the
CS mode.
9. Activate the adjustment mode display of Fig. 1-1 andTV
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 "90".
11.Receive a broadcast and check if the picture is normal.
00 OSD 24
2-12: SEPARATION 1, 2
Please do the method (1) or method (2) adjustment.
ABFig. 2-3
Method (1)
1.Set the multi-sound signal generator for each different L-2-15: Confirmation of Fixed Value (step No.)
ch and R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz) and
receive the RF.Please check if the fixed values of the each adjustment
items are set correctly referring below.
2.Connect the oscilloscope to the Audio Out Jack.
3.Activate the adjustment mode display of Fig. 1-1 andNO.FUNCTIONSTEP NO.
press the channel button (34) on the remote control to02H.VCO03
select OSEP 1�.04AFC GAIN04
4.Press the VOL. UP/DOWN button on the remote control to05V.SHIFT00
adjust it until the audio output wave becomes a fine sine06H.SIZE00
wave.09VS CORRECTION42
5.Press the CH UP button once the set to OSEP 2� mode.15BRIGHT MAX125
Then perform the above adjustment 4.17BRIGHT MIN50
19CONTRAST CENT50
Method (2)20CONTRAST MIN18
21COLOR MAX90
1.Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF.23COLOR MIN00
2.Connect the oscilloscope to the Audio Out Jack (R-ch).25SHARPNESS40
26CB DELAY FINE00
3.Press the AUDIO SELECT button on the remote control to27CR DELAY FINE00
set to the stereo mode.
4.Activate the adjustment mode display of Fig. 1-1 and28CB PEDESTAL ADJ08
press the channel button (34) on the remote control to29CR PEDESTAL ADJ08
30E/W PARABOLA31
select OSEP 1�.31E/W CORNER31
5.Press the VOL. UP/DOWN button on the remote control to
adjust it until the R-ch output becomes minimum.32E/W TRAPEZIUM31
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).
8.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (35) on the remote control to
select OSEP 2�.
9.Press the VOL. UP/DOWN button on the remote control to
adjust it until the L-ch output becomes minimum.
D-3 |
ACEC
