18
2.3 FM STEREO Distortion Adjustment
Adjust the L-channel with the RF sign al mod ulated on ly L-chann el first and con firm the R-chann el with RF signal
modu lated on ly R-chann el.
Step
Inpu t Signal
Conn ection
Sign al
Frequ ency
Sou rce Sign al Outpu t
Level and Modu lation
P–No.
Reception
Frequ ency
Adjust.
po int
Adjustment
Value
1
Level 500uV(54dB)
2
Only L-ch 1kHz/
Dev. 67.5kHz 90% (C)
40kHz 53.3% (N)
Pil ot 19kHz/
Dec. 6.75kHz 9% (C)
6kHz 8% (N)
IF COIL
in Fron t
End
Distortion
Level
Minimum
at TAPE-OUT
L-ch.
3
Sign al
generator
ou tpu t to
FM antenn a
terminal
(75oh ms)
98MHz
Only R-ch
M02
98MHz
Only
Con firm
Distortion
Level
Similar
as L-ch at
TAPE-OUT
R- ch.
2.4 FM STEREO Separation Adjustment
Step
Inpu t Signal
Conn ection
Sign al
Frequ ency
Sou rce Sign al Outpu t
Level and Modu lation
P–No.
Reception
Frequ ency
Adjust.
po int
Adjustment
Value
1
Level 500uV(54dB)
2
Only L-ch 1kHz/
Dev. 67.5kHz 90% (C)
40kHz 53.3% (N)
Pil ot 19kHz/
Dec. 6.75kHz 9% (C)
6kHz 8% (N)
Outpu t Level
Minimum
at TAPE-OUT
R-ch.
3
Sign al
generator
ou tpu t to
FM antenn a
terminal
(75oh ms)
98MHz
Only R-ch
M02
98MHz
R211
Outpu t Level
Similar
as R-ch at
TAPE-OUT
L- ch.
