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5. FM Muting Level Adjustment
Turn the variable resistor R212 to no indication ("TUNED") point. And return that valuable resistor in opposite to the
"TUNED" indicate point.
Input Signal Source
Step
Connection
Signal generator output to
1
FM antenna terminal. (75 )
2
6. FM STEREO Distortion Adjustment
Adjust the L channel with the RF signal modulated only L channel first and confirm the R channel with the RF signal
modulated only R channel.
Input Signal Source
Step
Connection
Signal generator output to
1
FM antenna terminal. (75 )
2
7. FM STEREO Separation Adjustment
Input Signal Source
Step
Connection
Signal generator output to
1
FM antenna terminal. (75 )
2
Signal
Source Signal Output
Frequency
Level and Modulation
10 V (20 dB)
MONO 1 kHz /
Dev.40 kHz 53.3% (C, K, S)
98 MHz
MONO 1 kHz /
(C, K, S, U)
Dev. 75 kHz 100%
Over mentioned level
+3 dB
Signal
Source Signal Output
Frequency
Level and Modulation
500 V (54 dB)
L or R 1 kHz /
Dev. 40 kHz 53.3%
PILOT 19 kHz /
Dev. 6 kHz 8% (C, K, S)
98 MHz
(C, K, S, U)
L or R 1 kHz /
Dev. 67.5 kHz 90%
PILOT 19 kHz /
Dev. 6.75 kHz 9%
Signal
Source Signal Output
Frequency
Level and Modulation
same specification as
FM STEREO distortion
98 MHz
adjustment.
(C, K, S, U)
Input only L channel.
same specification as
98 MHz
FM STEREO distortion
(C, K, S, U)
adjustment.
Input only R channel.
65
Reception
Adjustment
Frequency
98 MHz
(C, K, S, U)
(U)
AUTO
Only Confirm
SCAN
Reception
Adjustment
Frequency
IF COIL
FRONT END
98 MHz
(C, K, S, U)
Only Confirm
(U)
Reception
Adjustment
Frequency
98 MHz
(C, K, S, U)
98 MHz
(C, K, S, U)
Adjustment
Point
Value
"TUNED"
R212
indicate on FLD
"TUNED"
indicate on FLD
Adjustment
Point
Value
Distortion level
in
Minimum
at TAPE-OUT
Distortion level
Simimlar
as L ch.
at TAPE-OUT
R ch.
Adjustment
Point
Value
Output level
Minimum
R211
at TAPE-OUT
channel R
Output level
Similar as Rch
R211
at TAPE-OUT
channel L
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