Technics SA-GX230 Service Manual

| SA-GX230 SA-GX230 | |
Ш FRONT PANEL CONTROLS AND FUNCTIONS
Tuner section
(D (2)
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(D Power “ © STANDBYI/ON” switch
(POWER, (2 ЗТАМОВУ/ОМ)
This switch switches ON and OFF the secondary circuit
power only. The unit is in the “standby” condition when this
switch is set to the Ф STANDBY position. Regardless of the
switch setting, the primary circuit is always “live” as long as
the power cord is connected to an electrical outlet.
Remote control signal receptor
(REMOTE SENSOR) : |
Receives the signals from the remote control.
“STANDBY” indicator (STANDBY)
This indicator illuminates when the "STANDBY" mode is set
by the main unit or the remote control transmitter.
Channel display
This display shows the channel number selected by one of
the preset-tuning buttons.
Also this display shows the channel number for about 3
seconds during memory scan operation.
Quartz-lock indicator (QUARTZ LOCK)
This indicator illuminates when the unit is tuned precisely to
a broadcast station.
(6 Memory indicator (MEMORY)
This indicator illuminates when the memory button is press-
ed.
@ FM stereo indicator (FM ST)
This indicator automatically illuminates when an FM stereo
broadcast is being received.
Note:
It will not illuminate if the FM mode selector is set to the
monaural mode.
Memory scan indicator (M. SCAN)
This indicator illuminates when the memory scan button is
pressed.
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Band indicators (FM, LW, MW): for (E, EB) areas
(FM, AM)
Indicates the selected band.
: for (EG) area
Input selector/frequency display
(INPUT SELECTOR/FREQUENCY)
Displays the selected source or broadcast frequency. .
Memory scan button (MEMORY SCAN)
This button is used to locate a desired broadcast station;
each broadcast station is selected for about 3 seconds.
Tuning buttons (TUNING)
These buttons are used for tuning to the desired broadcast
station.
Memory button (MEMORY)
This button is used when presetting broadcast station fre-
quencies into memory.
Preset-tuning buttons (1—0)
(30 CHANNEL RANDOM PRESET TUNING)
These buttons are used to preset broadcast frequencies into
the memory of this unit and to recall the desired то sta-
tions.
Band selectors (FM, LW, MW): for (E, EB) areas
(FM, AM) : for (EG) area
FM: Press this button to listen to an FM broadcast.
LW: Press this button to listen to an LW broadcast.
MW (E, EB)/AM (EG): Press this button to listen to an
MW/AM broadcast.
ALLOCATION: When the MW/AM button is pressed for
about 3 seconds, the MW frequency step will change to
10 kHz per set. (This step is set to 9 kHz before shipment.)
In order to return to the original frequency indication, press
this button for about 3 seconds again.
FM mode selector (FM MODE)
This unit automatically switches to the stereo mode when an
FM stereo broadcast is received. This selector is used to
select the mode (stereo or monaural) of FM broadcast
signals.
---- 3
Amplifier section .
for (EG) area
(D Speaker selectors (SPEAKERS)
These selectors are used to select the speaker system(s) (A
and/or B).
Muting indicator (MUTING)
This indicator will illuminate when the muting button (on the
remote control transmitter) is pressed.
Loudness indicator (LOUDNESS)
This indicator will illuminate when the loudness button is
pressed.
@ Tape indicator ( )
This indicator will illuminate when the tape-monitor button is
pressed. : |
© Volume control (VOLUME)
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-fre-
quency sound range.
(D Headphones jack (PHONES)
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 input selector/frequency
display.
The “PHONO” input selector has two functions: when press-
ed momentarily it selects “PHONO”. When pressed and held
for about 4 seconds, it de-activates the muting function.
= TONE CONTROL.
TREBLE
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(9 Tape-monitor button (TAPE MONITOR)
Press this button to listen to a tape.
To listen to some other source, press this button once again
(so that the indicator is switched OFF).
Loudness button (LOUDNESS)
Set to the “ON” position (the loudness indicator will il-
luminate); 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 defi-
ciency is compensated for, so that the full impact of tha
musical performance can be enjoyed.
й) Balance control (BALANCE)
(2 “VCR 2” terminals (VCR 2)
These terminals are used for tape-to- -tape recording if a se-
cond VCR is connected here.

Technics SA-GX230 Specifications

General

Brand	Technics
Model	SA-GX230
Category	Stereo Receiver
Language	English