JVC RC-545L - Page 6

RC-545L/LB
Tuner Alignment
Output Measuring:
AM IF & RF Alignment
Speaker terminal (Impedance = 3.2Q), output level 50mW (0.4V/3.2Q )
Input (SSG} Modulation 400Hz, Modulated to 30%
[
Step
Frequency
Input
Signal
Place
to
be
Set
the
V.
Band
Frequency
Given
to
aligned
Capacitor
to
1
MW
Loop
Antenna
T2,3
Minimum
—_
2
(1F)
Repeat
the
Step
1,
and
adjust
for
no
further
improvement.
4 360KH2 panei To6
5 LW Repeat the Steps 3 & 4.
6
L4
160kHz
Signal
8
|
|
Repeat
the
Steps
6
&
7,
and
adjust
for
no
further
improvement.
Q
520kHz
L8
Maximum
16B0KH2 eee TC7
11 Repeat the Steps 9 & 10.
a) MY | eoone yarns
13
14
Repeat
the
Steps
12
&
13,
and
adjust
for
no
further
improvement.
17 or Repeat the Steps 15 & 16.
S.OMAZ | Fod Antenne through
19 Dummy Antenn
ND
ie)
FM IF & Discriminator Alignment
Input (Sweep Generator)
Output (Oscilloscope)
: TP3 (hot)
IF
Discriminator
Repeat the Steps 18 & 19, and adjust for no further improvement.
TP4 (hot) & TP7
TP6 (hot) & TP7
Mode
Place
to
be
aligned
Wave
form
T1,4
Peak
TS
S-curve
Step
1 IF
2 Discriminator
No. 1388