Technics Quartz ST-G7 User Manual

m HOW TO USE THE AM LOOP ANTENNA
Find
the
best
reception
position
for
the
FM
antenna,
and
then
fix
2.
When
attaching
the
antenna
to
the
rack.
it
in
place ona
wail,
the rack, or
the
unit.
AM
antenna
holder (A)
(included)
Pay attention to the following points when attaching the
antenna.
1) Find the height and direction of the antenna where
reception is best and then fix it vertically to the wail, rack,
etc.
2)Do
not
attach
it
horizontally
(to
do
so
would
impair
reception).
3)
Do
not
attach
it
close
to
meta!
surfaces,
power
cords,
or
speaker
wires
(to
do
so
would
result
in noise).
4)
Do
not
attach
it
close
to
a
tape
deck
(when
the
tape
deck
is
being used, chirping or beeping sounds may be received).
3. When attaching the antenna to the unit.
AM antenna holder (B) (included)
a
CK
Rear panel AM loop antenna
1.
When
attaching
the
antenna
to
a
wall,
column.
of
the
unit
<~
(included)
AM loop antenna
(included) 4. If a hook is used
(if the holder can’t be attached by screws)
Hook (option)
AM antenna
holder (A)
(included)
AM loop antenna
(included)
m MEASUREMENTS AND ADJUSTMENTS
AM ADJUSTMENT
* Setting and Equipment used
1. ACelectronic voltmeters (EVM). 5. Output of signal generator should be no higher than necessary.
2. AMsignal generator (AM-SG). to obtain an output reading.
3. Set Band selector to ‘AM (allocation 9 kHz)’’ position. 6. Use a non-metal screwdriver for the adjustment.
4. Maintain line voltage at rated voltage.
AM SIGNAL GENERATOR DISPLAY
FREQUENCY PREPARATIONS PARTS ADJUSTED ADJUSTING PR OCEDURE
CONNECTION FREQUENCY
Step
No. AM-IF ADJUSTMENT
Connect AM-SG to
AM antenna terminal * Adjust the input frequency
through 200pF aoe is Prequeniey of | Connect AC EVM or T7201 (AM 1 st IFT) and adjustment points so
: % Mod, non-inter- scope to “OUTPUT
capacitor. Common to with 400 Hz) ference terminals that the output becomes
1 chassis. (Powerful input) : maximum,
(Refer to Fig. 1)
AM-RF ADJUSTMENT
| Except [XA]
area
522 kHz eating [XA] Connect AC EVM or 1. Adjust for max imum output,
2 [XA] area 522 kHz scope to “OUTPUT” L203 (ANT Coil) 2. Adjust core of L203 by
531 kHz terminals. screwdriver.
(30% Mod, Lees
Connect AM-SG to with 400 Hz) | 991 zl
i oeoeee 612 kHz Connect AC EVM or 1, Adjust for max imum output.
3 eapscny Caomimon'to (30% Mod. 612 kHz scope to “OUTPUT” L202 (ANT Coil) 2. Adjust core of L202 by
chassis (Weak input) with 400 Hz) terminals. screwdriver,
(Refer to Fig. 1) 1. Adjust for max imum output.
1503 kHz Connect AC EVM or cT201 2, Repeat steps (2, 3) and (4)
4 (30% Mod. 1503 kHz scope to “OUTPUT” (ANT Trimmer) until the frequency correctly
with 400 Hz) terminals. matches the frequency
display.

Technics Quartz ST-G7 Specifications

General

Brand	Technics
Model	Quartz ST-G7
Category	Tuner
Language	English