ELECTRICAL ADJUSTMENTS
4-15: SUB COLOR (TV)
1.
2.
3.
4.
5.
Receive the color bar pattern (RF Input).
Connect the oscilloscope to TP801.
Activate the adjustment mode display of Fig. 4-3 and
press the channel button (3) on the remote control.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 80% of the white
level. (Refer to Fig. 4-8)
4-16: SUB COLOR (AV)
1.
2.
3.
4.
5.
Receive the color bar pattern (Audio Video Input).
Connect the oscilloscope to TP801.
Activate the adjustment mode display of Fig. 4-3 and
press the channel button (3) on the remote control.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and
0% is set to 4 scales on the screen of the oscilloscope.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 80% of the white
level. (Refer to Fig. 4-8)
4-17: SUB TINT (AV)
1.
2.
3.
4.
Receive the NTSC rainbow pattern (Audio Video Input).
Connect the oscilloscope to TP803.
Activate the adjustment mode display of Fig. 4-3 and
press the channel button (4) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 4-9.
Fig. 4-9
0%
80%
100%
4-18: CONSTANT VOLTAGE
1.
2.
3.
Set to the AV mode. (No input for AV)
Connect the DC voltmeter to TP401.
Adjust the VR502 until the DC voltmeter is 130
±
0.5V.
4-19: V. S-COR
1.
2.
3.
Receive the monochrome pattern.
Activate the adjustment mode display of Fig. 4-5 and
press the channel button (5) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the V. S-COR level is set to the "50".
Fig. 4-8
4-20: SHARPNESS (TV)
1.
2.
3.
Receive the monochrome pattern (RF Input).
Activate the adjustment mode display of Fig. 4-3 and
press the channel button (5) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the SHARPNESS level is set to the "12".
4-21: SHARPNESS (AV)
1.
2.
3.
Receive the monochrome pattern (Audio Video Input).
Activate the adjustment mode display of Fig. 4-3 and
press the channel button (5) on the remote control.
Press the VOL. UP/DOWN button on the remote control
until the SHARPNESS level is set to the "12".
4-22: SECAM DET
1.
2.
3.
Receive the SECAM color bar pattern.
Set the color system to SECAM position.
Adjust the items 1 and 2 of Fig. 4-4 until the white part
of the pattern is not changed even though you turn color
control from minimum to maximum.
D3-4
