ELECTRICAL ADJUSTMENTS
2-5: VERTICAL POSITION2-9: HORIZONTAL PHASE
1. Receive the monoscope pattern.1.Receive the monoscope pattern.
2. Using the remote control, set the brightness and contrast2.Using the remote control, set the brightness and contrast to
to normal position.normal position.
3. Adjust the VR401 until the horizontal line becomes fit to3.Activate the adjustment mode display of Fig. 1-1 and
the notch of the shadow mask.press the channel button (03) on the remote control to
(Refer to Fig. 2-1)select OH.PHASE�.
4.Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes minimum.
horizontal line
2-10: CONTRAST MAX
1.Activate the adjustment mode display of Fig. 1-1 andNotch
press the channel button (18) on the remote control to
select OCONT. MAX�.
2.Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes O95�.
3.Receive a broadcast and check if the picture is normal.Shadow mask
4.Press the TV/VIDEO button on the remote control to setFig. 2-1
to the AV mode. Then perform the above adjustments 1~3.
2-6: VERTICAL SIZE5.Press the TV/VIDEO button on the remote control to set
to the CS mode. Then perform the above adjustments
1.Receive the monoscope pattern.1~3.
2.Using the remote control, set the brightness and contrast
2-11: SEPARATION 1, 2
to normal position.
3.Activate the adjustment mode display of Fig. 1-1 andPlease do the method (1) or method (2) adjustment.
press the channel button (07) on the remote control to
Method (1)
select OV. SIZE�.
4.Press the VOL. UP/DOWN button on the remote control1.Set the multi-sound signal generator for each different L-ch
until the SHIFT quantity of the OVER SCAN on upsideand R-ch frequency (Ex. L-ch=2KHz, R-ch=400Hz)
and downside becomes 9 ? 2%.and receive the RF.
2.Connect the oscilloscope to the pin 6 and pin 7 of CP101.
2-7: VERTICAL LINEARITY3.Activate the adjustment mode display of Fig. 1-1 and
press the channel button (34) on the remote control to
NOTE: Adjust after performing adjustments in section 2-6.select OSEP 1�.
After the adjustment of Vertical Linearity, reconfirm
the Vertical Position and Vertical Size adjustments.4.Press the VOL. UP/DOWN button on the remote control
to adjust it until the audio output wave becomes a fine
1. Receive the monoscope pattern.sine wave.
2. Using the remote control, set the brightness, contrast,
5.Press the CH UP button once the set to OSEP 2� mode.
to normal position.Then perform the above adjustment 4.
3. Activate the adjustment mode display of Fig. 1-1 and
press the channel button (08) on the remote control to
Method (2)
select OV. LINEARITY�.
4. Press the VOL. UP/DOWN button on the remote control1.Set the multi-sound signal generator L-ch=1KHz, R-ch
until the SHIFT quantity of the OVER SCAN on upside=Non input and receive the RF.
and downside becomes minimum.2.Connect the oscilloscope to the pin 6 of CP101.
3.Press the AUDIO SELECT button on the remote control
2-8: LEVELto set to the stereo mode.
4.Activate the adjustment mode display of Fig. 1-1 and
1.Connect the AC voltmeter to pin 6 of CP101.press the channel button (34) on the remote control to
2.Activate the adjustment mode display of Fig. 1-1 andselect OSEP 1�.
press the channel button (33) on the remote control to
5.Press the VOL. UP/DOWN button on the remote control
select OLEVEL�.to adjust it until the R-ch output becomes minimum.
3.Press the VOL. UP/DOWN button on the remote control6.Set the multi-sound signal generator L-ch=Non input,
until the AC voltmeter is 85 ? 2mV.
R-ch=1KHz and receive the RF.
7.Connect the oscilloscope to the pin 7 of CP101.
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.
The output difference of the between with Filter and
without Filter should be more than 25db for both L and R.
D-220AF45/20AF45C |
ACEC
