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(REC TUNER)
1.
Place the set in Aging Test for more than 10 minutes.
2.
Connect the oscillator (39.5MHz) to TP6001.
3.
Connect the digital voltmeter between the pin 7 of
CP603 and the pin 1 (GND) of CP603.
Adjust the L6006 until the digital voltmeter is 3.3 ± 0.1V.
4.
2-3: RF AGC
(MONITOR TUNER)
1.
Place the set in Aging Test for more than 15 minutes.
2.
Receive the UHF (63dB).
3.
Connect the digital voltmeter between the pin 5 of
CP603 and the pin 1 (GND) of CP603.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (01) on the remote control to
select "RF AGC".
5.
Press the LEFT/RIGHT button on the remote control
until the digital voltmeter is 2.5 ± 0.1V.
(REC TUNER)
1.
Place the set in Aging Test for more than 15 minutes.
2.
Receive the UHF (63dB).
3.
Connect the digital voltmeter between the pin 6 of
CP603 and the pin 1 (GND) of CP603.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (39) on the remote control to
select "REC AGC".
5.
Press the LEFT/RIGHT button on the remote control
until the digital voltmeter is 2.9 ± 0.1V.
(TV SECTION)
2-4: CONSTANT VOLTAGE
1.
Connect the digital voltmeter to TP401.
2.
Set condition is AV MODE without signal.
3.
Using the remote control, set the brightness and contrast
to normal position.
Adjust the VR1701 until the digital voltmeter is 135 ± 1V.
4.
2-5: FOCUS
1.
Receive a broadcast.
2.
Turn the Focus Volume fully counterclockwise once.
3.
Adjust the Focus Volume until picture is distinct.
2-6: HORIZONTAL POSITION
1.
Receive the monoscope pattern from the Pattern
Generator.
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 (08) on the remote control to
select "H POSI (50)".
4.
Press the LEFT/RIGHT button on the remote control
until the SHIFT quantity of the OVER SCAN on right
and left becomes minimum.
5.
Receive the cross hatch signal of NTSC. (Audio Video
Input)
6.
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustments 2~4.
ELECTRICAL ADJUSTMENTS
D3-2
2-7: VERTICAL POSITION
NOTE: Adjust after performing adjustments in section 2-6.
1.
Receive the monoscope pattern from the Pattern
Generator.
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 (51) on the remote control to
select "V POSI (50)".
4.
Press the LEFT/RIGHT button on the remote control
until the horizontal line becomes fit to the notch of the
shadow mask. (Refer to Fig. 2-2)
5.
Receive the cross hatch signal of NTSC. (Audio Video
Input)
6.
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustments 2~4.
2-8: OSD HORIZONTAL
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 (31) on the remote control to
select "H POS OSD".
3.
Press the LEFT/RIGHT button on the remote control
until the difference of A and B becomes minimum.
(Refer to Fig. 2-3)
31 H POS OSD 40
A
2-9: CUT OFF
1.
Place the set in AV MODE without signal.
2.
Using the remote control, set the brightness and
contrast to normal position.
3.
Place the set in Aging Test for more than 15 minutes.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (00) on the remote control to
select "CUT OFF".
5.
Adjust the Screen Volume until a dim raster is obtained.
horizontal line
Notch
Shadow mask
Fig. 2-2
TV
B
Fig. 2-3
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