Panasonic Technics SA-800 User Manual

m@
ALIGNMENT
INSTRUCTIONS
......
FM/AM
Tuner
Circuitry
Notes:
1. Muting switch ........ OFF 5. Mode switch.......... MONO
2. Band selector switch ..... AM/FM AUTO (FM, RF FM.-IF) 6. Maintain tine voltage at 120 volts.
3.
FM
muting
switch.....
..,
OFF
7.
3002
FMdummy
antenna.........
Refer
to
fig.
1
4.
Speaker
switch..........0N
8.
Output
of
signa!
generator
should
be
no
higher
than
necessary
to obtain an output reading.
INDICATOR
(AC VTVM or SCOPE)
(DISTORTION METER)
AM ALIGNMENT
SIGNAL GENERATOR DIAL
SETTING
CONNECTION | FREQUENCY
ADJUSTMENT
POINTS
REMARKS
Plat
side
shrovan
T2010
tase
iF)
(A)
1
0.0014F
to
AM
antenna
455k
Hz
Point
of
non-
Connect
VTVM
or
scope
7201
(1st
JET)
(8)
Adjust
for
maximum
trimmer
terminal.
(30%
Mod.
inter-ference
to
TP201.
through
0.
1KF
E
output.
Common
to
chassis.
with
400Hz)
T202
(2nd
IFT)
Move
L201
as
shown
Fashion
loop
of
several!
in
‘alignment
points”
turns
of
wire
and
radiate
GOOKH2
Connect
VTVM
or
Scope
L202
(OSC
Coil)
Adjust
for
maximum
#
cghalinto
leap
of
rece!
os
Med
|
O0OKr
2
lorspeaker
tenmirrals
L201
(ANT
Coil)
output,
Adjust
ferrite
signal
into
loop
of
receiver
with
400Hz}
Of
receiver:
put,
Adj
core
of
L201
by
screw driver.
Adjust for maximum
Fashion
loop
of
several
1500k
Hz
Connect
VTVM
or
scope
:
3]
turns
of
wire
and
radiate
(30%
Mod.)
1500k
Hz
to
speaker
terminals
aes
at
SUA
ad
ablaaa
steps
(2)
and
(3)
signal
into
loop
of
receiver
with
400Hz}
of
receiver.
Pp
.
{|
es
_L
FM-IF
ALIGNMENT
2
Point
of
non-
T102
(DISCRI
IFT)
(A)
|
Adjust
for
center
3
No
Signal
inter-ference
Tuning
meter
of
set
a
Orange
Core
|
position
of
tuning
meter.
FM-RF ALIGNMENT
L7 (OSC Coil) : :
Connect
to
FM
3000.
9O0MHz
Connect
scope
to
L5
(RE-DET
Coil)
Adjust
for
maximum
5] antenna terminal through (100% Mod. QOMHz speaker terminals of L2 (RE-DET Coil) amplitude and sym-
FM
dummy
antenna.
with
400H.z)
receiver.
L1
(ANT
Coil)
metrical
curve.
T101 (FM IFT) (Refer to fig. 4)
Connect
to
FM
300
106MHz
Connect
scope
to
CT4
(OSC
Trimmer)
Adjust
for
maximum
am-
6] antenna termina! through (100% Mod 106MHz speaker terminals of CT3(RF DET Trimmer) pusige and symmetrical
FM
dummy
antenna.
with
400Hz)
receiver.
CT2
(RF
DET
Trimmer)
Repeat
steps
(5}
and
(6).
CT1 (ANT Trimmer)
FM MONO DISTORTION ALIGNMENT
Connect
to
FM
300Q
1OQMHz
Connect
distortion
meter
T102(DISCRI
IFT)
(B)
Adjust
for
minimum
7]
antenna
terminal
through
(100%
Mod.
1OOMHz
to
speaker
terminals
Green
Cot
distortion
meter
,
FM
dummy
antenna
with
400H
2)
of
receiver
eer
&
indication
4
Apply 60 dB to set.
FM MUTING LEVEL ALIGNMENT
FM muting switch
to "ON".
M103 Adjust to that output
can be obtained.
Connect to FM 3002) 1OOMH2
antenna
terminal
through
(100%
Mod
100MHz
FM
dummy
antenna.
with
4007)
Apply 16dB (6.3uV) to set
Connect VTVM or scope
to speaker terminals.
FM SIGNAL METER ALIGNMENT
1
Apply
100MHz
FM
signa!
of
100d8
(400Hz
30%
modulation)
3
Adjust
VR102
for
about
4.7
point
of
signal
meter
indication.
to
FM
3002
antenna
terminal
through
FM
dummy
antenna
2
Tuning
at
1OOMHz.
FM MPX PILOT ALIGNMENT
Using
a
frequency
counter
Using
alternate
system
{
j
1
98MHz
Non-modulated
mono
signal
applied
to
set
1
Apply
stereo
signa!
from
generator
or
stereo
station
to
receiver
10]
2
Muting
switch
to
"ON".
2
Adjust
VR301
until
stereo
indicator
lights
up.
Cement
arm
of
3
Connect
frequency
counter
to
TP302
through
resistor
(100k)
VR301
as
shown
in
fig.
2.
4
Adjust
VR301
to
19kHz,
+30Hz
Notes:
1.
Stereo
modulator
*
Connect
stereo
modulator
output
to
EXT
MOD
terminal
of
signal
generator.
¢
Pilot
signal
modulation
to
‘10%’
2.
FM
signal
generator
*
Frequency
approximatery
100MHz/Output
level
to
'’72dB
(HF}”
e
Modulation
mode
to
“FM”
3.
Selector
switch
to
“FM
AUTO”
4.
Mode
switch
to
“STEREO”
———
BEcae
on
STEREO
MODULATOR
INDICATOR
ADJUSTMENT
pena?
CONNECTION MODE & MOD. RATE (AC VTVM} | POINTS
FM MPX PILOT CANCEL ALIGNMENT
A Tuning at 1OOMHz
FM
3002.
antenna
19kHz(Pilot)
signal
|
Connect
AC
VTVM
or
.
:
:
eit
11]
terminals
through
FM
10%
ae
scope
to
speaker
a
*¢
FM
Muting
switch
to
“ON
dummy antenna. terminals. ¢ Make adjustment to bring the
output to minimum.
FM MPX FILTER ALIGNMENT
¢ Tuning at 1OOMHz
FM
3002
antenna
38kHz
100%
Connect
AC
VTVM
or
°FM
Muting
switch
to
“ON”
.
72) terminals through FM Modulation scope to speaker an eFM Hi-blend switch to ‘OFF
dummy
antenna.
{External
Modulation)
terminals.
¢
FM
MPxX
Filt
switch
to
“IN
¢ Make adjustment to bring the
i output to minimum,
FM
STEREO
SEPARATION
ALIGNEMNT
i
|
*
Tuning
at
1OOMHz
i
FM
300f
antenna
(1kHz
30%
Modulation)
|
Connect
VTVM
to
speaker
¢
Make
adjustment
so
that,
when
i
13]
terminals
through
FM
MODE
L
(and
R})
terminals
through
low
pass
VR303
the
antenna
input
is
subjected
to
t
dummy
antenna.
Pilot
signal
to
"ON"
filter.
.
L
modulation
{or
R
modulation),
(Refer
to
fig.
3)
R
channel
output
(or
L
channel
output) becomes minimum.
Sma tte ton ain ttt

Panasonic Technics SA-800 Specifications

General

Brand	Panasonic
Model	Technics SA-800
Category	Stereo Receiver
Language	English