Hitachi SR-2004 - Alignment Procedures; FM Tuner Alignment

HITACHI SR-2004
FM TUNER ALIGNMENT
Condition
Function : FM
Volume : Minimum
Modulation : 400 Hz 1009c
(unless otherwise
notified)
FM Muting : OFF
IF BAND : WIDE (unless
otherwise notified)
e
@
o
Sweep Generator
Generateur de ba\8Yage
VTVM
VoltmHre electroni(/ue
9
Signal generator
e
Oscilloscope
Generateur de signaux
Oscilloscope
Dist.
@)
Frequency Counter
0
Distortion Meter
Frequencemetre
Indicateur
Connection
Setting
Adjust for
Connexion Montage
Reglage pour
Sequence
Input
Output
Tuning
signal
Adjust
Entree
Sortie
Indicateur d' accord
Reglage
Indication
®
6)
8
0
0
~
lJ
8
0
IF
Am~).
T~~
Not necessan'
1
Amplificateur
TP IN 1
10.7MHz
(MF20I)
CAl;TION (1 )
de frequence
~
lK 0.1 IJ
intermediaire
~
T201
St raight line
"S" cllrve
T~~
2
COIJrbe S
10.7MHz lower: "S" curve
~
lK O. 1 )l
upper: Straight line
Covering
REC out
fl8MHz
88MHz
not necessa ry
or SP out
3
Guipage
0
108MHz
108MHz
TC
5
ANT. Terminal
&]
90MHz
90MHz
L
1,2,3
V max.
4
Tracking
106MHz
106MHz
TC
I, 2.3,4
Alignement
98MHz
98MHz
L4
REC out or SP out
T201
bLJ
5
Discri.
$mcs
pointer: center
(lower)
without signal
T201
Distortion
6
Distortion
98MHz
98MHz
min.
(upper)
CAUTION (2)
Output
} 4001', 30'
R320
200mV:: IdB
7
Sortie
Mod.
RECout~
8
FM muting
}
24dB 98MHz R319
Muting level
98MHz
Commutateur
24 :tIdE
de sourdine FM
Signal meter
}
Signal meter b)J
9
60dB
98MHz
98MHz
R242
o , Z 4'
Indicateur de
Indicateur de
Pointer: 4. 5
signal
signal
IF BAND:
} No,-modo,,',d
--
>- NA~~
T~
Freq.
10
76kHz
R321
76kHz± 100 Hz
REC out SP out
98MHz
98MHz
}ROh 4001', 46'
o----Dh
R322/WIDE
Lch out
11
Separation
Mod.
13.
6kHZ
e C2
MIN
Pilot 8% Mod.
L.P.F. ~ /
R323/NARROW
CAUTION (3)
'---17"'
-24 -
e
.'