Citizen JCTV3242 - BASIC ADJUSTMENTS; SEPARATION 1, 2 (2-12); FM LEVEL (2-13)

D-3
ELECTRICAL ADJUSTMENTS
2-14: LEVEL
1.
2.
3.
4.
Receive a 80dB monoscope pattern.
Connect the AC voltmeter to the pin 6 of CP601.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (25) on the remote control to
select "LEVEL".
Press the VOL. UP/DOWN button on the remote
control until the AC voltmeter is 100mV.
2-12: SEPARATION 1, 2
1.
2.
3.
4.
5.
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.
Connect the oscilloscope to the pin 6 and pin 7 of CP601.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (26) on the remote control to
select "SEP 1".
Press the VOL. UP/DOWN button on the remote control to
adjust it until the audio output wave becomes a fine sine
wave.
Press the CH UP button once the set to "SEP 2" mode.
Then perform the above adjustment 4.
Method (1)
1.
2.
3.
4.
5.
6.
7.
8.
9.
Set the multi-sound signal generator L-ch=1KHz, R-ch
=Non input and receive the RF.
Connect the oscilloscope to the pin 6 and pin 7 of CP601
Press the AUDIO SELECT button on the remote control to
set to the stereo mode.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (26) on the remote control to
select "SEP 1".
Press the VOL. UP/DOWN button on the remote control to
adjust it until the R-ch output becomes minimum.
Set the multi-sound signal generator L-ch=Non input,
R-ch=1KHz and receive the RF.
Connect the oscilloscope to the pin 6 and pin 7 of CP601
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (27) on the remote control to
select "SEP 2".
Press the VOL. UP/DOWN button on the remote control to
adjust it until the L-ch output becomes minimum.
Method (2)
Please do the method (1) or method (2) adjustment.
2-13: FM LEVEL
1.
2.
3.
4.
Receive a 80dB monoscope pattern.
Connect the AC voltmeter to the pin 14 of IC901 or W508.
Activate the adjustment mode display of Fig. 1-1 and press
the channel button (24) on the remote control to select "FM
LEVEL".
Press the VOL. UP/DOWN button on the remote control
until the AC voltmeter is 75 ± 5mV.