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«Exes
ALIGNMENT INSTRUCTIONS(RADIO)-1
= AM Alignment
Control Positions:
|
,
|
- VolumeControl
..............204. ...
Maximum (AM-IF and RF, FM-RF) , FM-RF (Center), Minimum (FM-IF)
Function Selector
.............
000000.
LW, MW, FM MONO and FM AUTO
FM Preset
..........
E M og cane e e
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MANUAL, P1, P2, P3, P4, P5 and P6
LOUGNCSS
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a) Se ns
ere
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ee 5 es ee
OFF
7
FM Preset Volume (VRIO2 ~VRIO7)
.........
Turn Them fully counterclockwise.
Preset Volume (VRIO8 ~VR110 and 901) ......
Turn set to the center position.
Output of signal generator should be no higher than necessary to obtain output reading.
Make certain that speaker system is connected to the receiver when aligning.
(or use 42. dummy load resistors. )
ONOA
EWN
SIGNAL GENERATOR
OR
SWEEP GENERATOR
CONNECTION
| FREQUENCY
RADIO DIAL
SETTING
INDICATOR
(VTVM or SCOPE)
REMARKS
ADJUST
|
AM-IF AND
RF ALIGNMENT
T201
(AM CFT)
* Adjust for maximum
Point of non-
455 kHz
T202 (AM DET)
output.
30% Mod
interference
with 400 Hz
* Adjust for maximum
|
output by sliding coil
L2 along ferrite core.
* Refer to NOTE.
* Adjust for maximum
CT202 (LW ANT Trimmer) | output.
CT204 (LW OSC Trimmer) | + ce steps (2) and
3).
Bo oo,
150 kHz
with 400 Hz
(7.9 mm)
L2 (LW ANT Coil)
(LW)
L202 (LW OSC Coil)
Bl
Fashion loop of
several turns of
350 kHz
wire and radiate
30% Mod.
(LW)
signal into loop
with 400 Hz
-
of receiver.
Output meter
350 kHz
across speaker
(84.6 mm)
jack (L).
(Imp. 42)
¢ Adjust for maximum
output by sliding coil
L.1 along ferrite core.
* Refer to NOTE.
1500 kHz
.
* Adjust for maximum
30% Mod.
1500 kHz
CT201 (MW ANT Trimmer)}
output.
with 400 Hz
(81.6 mm)
CT203 (MW OSC Trimmer)
|* Repeat steps (4) and
|
(5),
550 kHz
30% Mod.
550 kHz
7
L1 (MW ANT Coit)
with 400 Hz
(9.2 mm)
.
(MW)
L201 (MW OSC Coil)
ne
5
(MW)
Note: Cement antenna coil {L1 and L2) with wax after completing alignment.
FM-IF ALIGNMENT
Adjust L3 for
maximum amplitude
|
and symmetrical
Connect vert. amp
|
curve.
Point of non-
input of scope
interference
between point TP201
and TP206 (Earth)
High side through
0.01uF between
point TP IN and
TP E (Earth)
| Connect DC VTVM
T203
between TP203
(FM Disc)
and TP204.
_ Note:
As three output readings will be present, adjustments must be made at center frequency.
+ Adjust T203 for
OmV on VTVM
No connection
No signal
|
|
reading.
SG-60
|
(5
= FM-RF ALIGNMENT
|
SIGNAL GENERATOR
STEP
CONNECTION
FREQUENCY
108.3 MHz
30% Mod.
with 400 Hz
Connect to EXT.FM.
Antenna terminal
.
through dummy
Sean.
87.35 MHz
;
30% Mod.
with 400 Hz
To SSG
(Imp, 7582)
Receive:
11250
|
@' Zz
'
ie
1s
pie a a
92.5 MHz
4
FM DUMMY
30% Mod.
ANTENNA
with 400 Hz
Note: To correct the drift of FM band coverage
ENGLISH
ALIGNMENT INSTRUCTIONS(RADIO)-2
RADIO DIAL
INDICATOR.
FM PRESET
SETTING
(VTVM orSCOPE)
| BUTTON
| ADJUST
REMARKS
108.3 MHz
VR110
|
MANUAL
Adjust for maximum
7
VR102
output.
87.35 MHz
,
Repeat steps (1)™(3).
(O mm)
VR101
92.5 MHz
Output meter across
speaker jack (L)
Adjust VR111
to get
same lightness at 2nd
and 3rd (94 MHz)
LED from left end
-of FM dial indicator.
FM dial indicator
100.
108
ee
Diawaaooo
(87.5~108
MHz), adjust VR101, 102, 110 and VR111.
FM MONO
DISTORTION
ALIGNMENT
—
Connect to EXT.
|FM antenna
terminal through
dummy antenna.
98 MHz.
100% Mod.
with 400 Hz
= FM Stereo Alignment
EQUIPMENT CONNECTION
s e
|
Distortion meter
Adjust for minimum
98 MHz
to speaker jack
T204
distortion meter
|
(L).
(FM Disc) | indication.
|
FREE RUN ALIGNMENT
|
ADJUST
|
REMARKS
Connect frequency counter to TP301 and TP206 (Earth)
VR302
Adjust VR302 for 19 kHz 450Hz on frequency counter
at 98 MHz, non modulation with 60 dB input.
|
reading.
|
1. Stereo Modulator:
2. Signal Generator:
Tuner (Balance Control):
EQUIPMENT CONNECTION
Connect to EXT. FM
Connect across
antenna terminal
speaker jack.
- through dummy antenna. | (imp. 42).
Connect vertical
.
amp.
input of
VR301
scope to terminals
of VTVM.
SEPARATION ALIGNMENT
;
Connect Stereo Modulator to EXT, Mod. terminal of signal generator.
Modulation Rate of 19 kHz Pilot Signal
Modulation Rate of Right and Left Signal
Output Level
|
Adjust balance control so that output level from both channels becomes equal.
:
ADJUST
REMARKS
SIGNAL GENERATOR
vtvm
_ |
OSCILLOSCOPE
Adjust VR301
for minimum indication of VTVM
from the left side output when the right side of
stereo modulation is modulated.
Adjust VR301 in the same way for the right side.
Adjust for best balance between ''L to R"' and
"R to L" separation.
.
(Separation
Contro})
Note:
When aligning separation, disconnect frequency counter.
= VU METER ALIGNMENT
VTVM
CONNECTION
-
TP803
|
TP805
TP804
Recording.
TAPE DECK
DOLBY NR
REMARKS
ADJUST
|
|
|
:
Ohhes Apply 150 mV, 1 kHz to AUX.
-
:
iN
REC Volume
| «Adjust Rec Volume to get 580 mV
.
|
reading on VTVM.
|
7
VR603
- Adjust VR603 and VR604 to fight at
~ VR604
+2 VU (OO mark).
- Attenuate the applied signal by 20 dB,
IN
|
then adjust VR601 and VRG6OZ to light
at -—18 VU.
« Repeat Steps 2 and 3.
-23 -18 -13
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