Marantz SR19/K1G Service Manual page 36

6. 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 Ω)
2
7. 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 Ω)
2
8. FM STEREO Separation Adjustment
Input Signal Source
Step
Connection
Signal generator output to
1
FM antenna terminal. (75 Ω)
2
A101 ST DIST
FM DIST
L201
RA11
AM TUNED
LPF
LPF
R211
SEP
WA300J301- P104
Signal
Frequency
10 µV (20 dB)
MONO 1 kHz /
Dev.40 kHz 53.3% (K, S)
98 MHz
MONO 1 kHz /
(K, S, U)
Dev. 75 kHz 100% (U, F)
83 MHz
(F)
Signal
Frequency
500 µV (54 dB)
L or R 1 kHz /
Dev. 40 kHz 53.3%
98 MHz
PILOT 19 kHz /
(K, S, U)
Dev. 6 kHz 8% (K, S)
83 MHz
(F)
L or R 1 kHz /
Dev. 67.5 kHz 90%
PILOT 19 kHz /
Dev. 6.75 kHz 9% (U, F)
Signal
Frequency
98 MHz
(K, S, U)
83 MHz
(F)
98 MHz
(K, S, U)
83 MHz
(F)
REAR
MW 600 / 603 kHz
LW 171 kHz
LA03 LA01
MW 1400 / 1404 kHz
CA08
CA01
LW 270 kHz
LA06
AM IF
LW OSC MW OSC
R212
FM MUT
FRONT
Source Signal Output
Level and Modulation
Over mentioned level
+3 dB
Source Signal Output
Level and Modulation
Source Signal Output
Level and Modulation
same specification as
FM STEREO distortion
adjustment.
Input only L channel.
same specification as
FM STEREO distortion
adjustment.
Input only R channel.
62
Reception Adjustment
Frequency Point
98 MHz
(P2)
R212
83 MHz
(P2)
AUTO
Only Confirm
SCAN
Reception Adjustment
Frequency Point
IF COIL
in
FRONT END
98 MHz
(P2)
83 MHz
(P2)
Only Confirm
Reception Adjustment
Frequency Point
98 MHz
(P2)
R211
83 MHz
(P2)
98 MHz
(P2)
R211
83 MHz
(P2)
Adjustment
Value
"TUNED"
indicate on FLD
"TUNED"
indicate on FLD
Adjustment
Value
Distortion level
Minimum
at TAPE-OUT
Distortion level
Simimlar
as L ch.
at TAPE-OUT
R ch.
Adjustment
Value
Output level
Minimum
at TAPE-OUT
channel R
Output level
Similar as Rch
at TAPE-OUT
channel L