Sherwood TX-3010C Service Manual page 9

Am/fm stereo digital tuner
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No. |subiec
tereo)| 98.10MHz, 60dB
THD
FM SSG
ANT. | 98.10MHz
| Output
Front-
| Minimize
(S
Stereo
connect AC
End
distortion
1kHz
voltmeter &
[FT
(75kHz dev.)
distortion
Pilot 19kHz
(9% Mod.)
FM SG
ANT. | 98.10MHz
| Output
98.0MHz, 10uV
Stereo
connect
VR201
| Muting occurs
1kHz (75kHz dev.)
Oscilloscope
marginally
Mute
Level
7. | Separa-
tion
Feed Signal
(40kHz dev. for
Europe)
(L ch->R
ch)
*2)
Same as above
R ch->L ch
L. ch Mod
connect same
as above
Minimize
R ch Mode
output
ANT. | 98.J0MHz
| R ch Mod
VR501
| Minimize
L ch Mode
FM SSG
connect AC
output
98.10MHz, 60dB
voltmeter &
1kHz (75kHz, dev)
distortion
=
Pilot 19kHz
analyzer and
a
(9% mod)
oscilloscope
os
¢ Repeat the step *1) & *2) until no further improvement occurs.
Sig
Level
Adj
FM SSG
ANT.
§8.10MHz, 60dB
IkHz (75kHz dev)
(40kHz dev for
Europe)
98.10MHz | FL Display
VR202
Fully Lit

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