Philips FR980 - FM Stereo Separation Adjustment; On Screen Display VCO Adjustment

9. FM STEREO Separation Adjustment
Input
Signal
Source
Signal
Source
Signal
Output
Reception
|
Adjustment}
Adjustment
Connection
Frequency
Level
and
Modulation
Frequency
Point
Value
same
specification
as
Output
level
98
MHz
FM
STEREO
distortion
Minimum
98
MHz
adjustment. at TAPE-OUT
Input only L channel. channel R
input Signal Source Signal Source Signal Output
Connection Frequency Level and Modulation
Maximum
98 MHz gate R906 at U218
(Jumper lead)
98 MHz .
(P2) Only Confirm
REMARK: Other adjustments of FM section have to be done before this adjustment.
Signal generator output to
FM antenna terminal. (75 Q)
same specification as Output level
FM STEREO distortion Similar as Rch
adjustment. at TAPE-OUT
channel L
Reception | Adjustment! Adjustment
Frequency Point Value
Input only R channel.
RDS Signal only
RDS Signal generator output
t Dev. 1KHz 1.3%
‘0
FM antenna terminal. (75 Q)
Station name
indicate on
FLD
RDS Signal only
Dev. 2KHz 1.3%
RDS Signal generator output
to
FM antenna terminal. (75 Q)
11. On Screen Display VCO Adjustment
Input
Signal
Source
Measuring
Measuring
equipment
Input
Adjustment
|
Adjustment
and
Connection
position
selector
Point
Value
Color
bar
or
other
standard
IC
QX60
video
signal.
:
DC
voltmeter
Video
signal
generator
sae
seta
ha
(Impedance
>
10k
Q/V)
a
CX67
2.5V
20.1V
output
to
LD
video
input.
;
REMARK:
Connect
the
TV
monitor
to
the
monitor
output
terminal
of
the
product.
PCS 98 392