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Amplifier Section - Technics QUARTZ SA-GX100 Service Manual

Synthesizer am/fm stereo receiver

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SA-GX100
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Amplifier section
[11] Speaker selectors (speakers)
These selectors are used to select the speaker system(s) (A
and/or B).
.
[12] Muting indicator (muting)
This indicator will illuminate when the muting button (on the
remote-control transmitter) is pressed.
13} Loudness indicator (loudness)
This indicator
will illuminate
when
the loudness
switch
is
pressed.
[14] Tape indicator (tape)
This indicator will illuminate when the tape-monitor switch is
Pressed.
[15] Volume control/indicator (volume)
[16] Tone controls (bass/treble)
The bass control is used to adjust the low-frequency sound
range, and the treble control is used to adjust the high-frequen-
cy sound range.
Headphone jack (phones)
[18] Tape-monitor/VCR 2 switch
(tape monitor/VCR 2)
Press this button to listen to a tape or an equipment connected
to the "TAPE/VCR2" terminals.
To listen to some other source, press this button once again (so
that the indicator is switched OFF).
(19] Input selector buttons
These buttons are used to select the sound source to be heard,
such
as.a
disc, radio broadcasts,
etc. The selected
sound
source is shown on the audio input selector/frequency display.
The "phono" input selector has two functions: when pressed
momentarily it selects PHONO".
when pressed and heid for
about 5 seconds, it de-activates the muting function.
[20] Loudness switch (loudness)
Set to the "on" position (the loudness indicator will illuminate);
when listening to music at low volume. Auditory perception of
sound in the low frequency range falls off at low volume, but
when the switch is in this position, this deficiency is compen-
sated for, so that the full impact of the musical performance
can be enjoyed.
Balance control (balance)

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