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Operation Procedure
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Playback from Record Disc
Playback From Record Disc
Put a disc on the turntable for playback performance. As the
volume control is turned clockwise from the cut position, play¬
back sound comes out from speakers. The sound playback is
possible regardless of the position of Mode Selector etc. as far as
these essential cotrols are set to the correct position such as
Input-Selector Switch (1), Tape Monitor Switch (4), Speaker
Selector Switch (14) and Volume Control (12). Now all pre¬
parations have been completed. Check if the volume levels on
both right and left speakers are identical. If deviated adjust it
by the Volume (Balance) Control. For stereophonic playback
see to it that the Mono Switch is kept in the "unpressed"
position, as otherwise correct stereophonic playback is not feasi¬
ble.
Playback of AM/FM Broadcasting Program
Selection of the input selector (1) to the AM or FM position
ensures playback of AM or FM broadcasting program. If you
want you can connect other tuner (AM, FM, LW or SW etc.) to
the AUX terminal of this tuner-amplifier.
In this case the
selector must be set to the corresponding position. Both for FM
stereophonic and monaural broadcasting the Mono Switch can
be set to the "FM" position, for such accommodation to the
input source can be made in the tuner section. In case weak FM
stereo is received and you feel it noisy, set the Mono Switch (3)
to the "pressed" position for better reproduction. In case of
AM/LW program from other tuner there is possible trouble of
modulation hum, which can be eliminated by varying the dis¬
tance and angle of these components.
Other Playback
The signals of flat frequency response from such sources as
TV receivers do not need an equalizer stage, and for playback
of such audio equipments the AUX terminal can be used, con¬
nection and operation is same with that of AM/FM broadcasting
program.
Playback from Tape
Playback from Tape Monitor Terminals
Almost
all
of
tape-recorders,
and
tape-decks
currently
marketed integrate audio pre-amplifiers in their circuit. Also
there is a tape-player exclusively for playback. Connect the
output terminal (LINE OUT) to either of the two Tape Monitor
Terminals (30) (32). Then press in the Monitor Switch after
selecting the Tape Selector and the playback from the Monitor
Terminal is realized. This amplifier section can be divided into
2 sections — one before the Recording Output Terminals
(REC. OUT) and the other after the Tape Monitor Switch,
and 3-head tape-recorder makes it feasible to make recording
with the former section and simultaneously to make playback
with the latter section.
Playback from Aux Terminals
Playback of tape is possible if the line ouput of tape
recorder of tape-deck is connected to the AUX terminal of
this tuner-amplifier by use of pin-jack lead and the Input
Selector Switch is set at the "aux" position. Note that when
tape playback is made through AUX terminals, the line input
or AUX input terminals of the tape-recorder should not be
connected. If connected to the Recording Output Terminals
(REC.
OUT)
of the tuner-amplifier there may be possible
oscillation by feed-back of signals.
Recording on Tape
In case of playback of various program sources through input
terminals of this tuner-amplifier, the same signals to those re¬
produced in speakers are available at the Recording Output
Terminals (29) (31). By connection of these terminals to the
input terminals (AUX or LINE-IN) of the tape recorder you
can enjoy simultaneous recording and playback. These recording
signals are taken before the Tape Monitor Switch and there is
no influence of such controls as Volume Controls, Tone
Controls and Filters etc.
Simultaneous Playback Monitoring
A
3-head
tape-recorder
ensures
Simultaneous
Playback
Monitoring enabling to ascertain perfect recording. In case of
3-head tape-recorder, heads and amplifiers for recording and
playback
exist
independently in the circuit which ensures
simultaneous recording on tape and playback of the sound
recorded on the tape.
In this case recording on tape and playback of the recorded
sound is practised at the same time, and connection must be
made for both functions. Need to connect the Recording
Output Terminal (29) or (31) to the Line Input Terminals
(AUX Input) of tape-recorder, and the Tape Monitor Terminal
(30) or (32) to the Output Terminals (LINE OUT)
of a
tape-recorder. Now repetition of pressing the Monitor Switch
makes it feasible to compare the original sound with recorded
one.
Thus possible recording error can be prevented in case of
3-head tape-recorder. Incidentally note that reproduction of
recorded sound becomes a little-bit delayed as compared with
that of original sound since there is a gap between recording
head and playback head.
Tape Dubbing (Reprinting)
So called tape dubbing (tape-to-tape reprinting) is possible
with the Tape Dubbing Switch (6), when the switch is set to the
"1-2" or "2-1" position. In the "1-2" position connect the
LINE-OUT terminals of the tape-recorder with recorded tape to
the TAPE-1 MONITOR (30) while the LINE-IN (AUX) termi¬
nals of the second tape-recorder to the TAPE-2 REC. OUT
Terminal (31), and the tape dubbing is possible from the 1st to
2nd tape-recorder: vice versa in the "2-1" position.
In the dubbing process if the LINE-IN terminals of the 1st
tape-recorder is connected to the "TAPE-1 REC. OUT", and
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