Technics SU-Z400 Service Manual

Mi LOCATION OF CONTROLS
© Program source indicators
@ Tape indicators
@ Power switch
SU-Z400
@ Balance control
© Volume control
@ Loudness switch
(@ off, = on)
(bass) (treble)
@ Headphones jack
(main)
@ Speaker selecto sf
(@ off, = on) (remote)
@ Power switch (power)
Be sure to reduce the volume level to the minimum (“0”)
position before turning on the power.
@ Tape indicators
IIluminates when the tape monitor selectors @ marked “tape
1” or “tape 2” is pressed.
© Program source indicators
Illuminates when the corresponding input selector © is
pressed.
© Volume control (volume)
This control is used to adjust the volume level.
Be absolutely sure to set this control to low position (“0-1”)
when turning the power on. After the power switch is turned
on, please wait several seconds before increasing the
volume level.
© Loudness switch (loudness)
Set to the “on” position 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 compensated for, so that the full
impact of the musical performance can be enjoyed.
© Input selectors (input selector)
These selectors are used to select the sound source to be
heard, such as a disc, radio broadcast, etc. The corre-
sponding indicator illuminates during operation to indicate
the selected sound source.
CD/video/aux:
Press this button to listen to equipment connected to the
auxiliary input terminals (“CD/VIDEO/AUX’).
tuner:
Press this button to listen to radio broadcasts.
phono:
Press this button to listen to phono discs.
(tuner)+@ Input selectors
(CD/video/au x)
( ™ tape 2/ext, HL source)
@ Tape-monitor
( = tape 1/dubbing 1»2, HE source) selectors
© Tone controls
@ Tape-monitor selectors (tape monitor)
source (m——):
Set both selectors to this position in order to listen to phono
discs, radio broadcasts, or equipment connected to the
auxiliary input terminals (“CD/VIDEO/AUX”), and to record
to tape deck 1 and/or 2.
tape 1/dubbing 1>2 (mg —>-=):
Set to this position to play back or monitor the sound from
tape deck 1 or to record from tape deck 1 to tape deck 2. In
this case be sure to set the right selector to the outward
position.
The “tape 1” indicator will illuminate in this position.
tape 2/ext (MB —>=—):
Set to this position to play back or monitor the sound from
tape deck 2, or to use a microphone-mixing amplifier
connected to the “TAPE 2/EXT” terminals. The “tape 2/ext”
indicator will illuminate in this position.
Note:
If both tape-monitor selectors are depressed at the same
time, only the sound from tape deck 2 will be heard.
© Balance control (balance)
While listening to an AM broadcast or a monaural FM
broadcast, balance the sound so that it seems to be heard
from the center, between the speakers.
© Tone controls (bass/treble)
The bass control is for the low-frequency soundrange, and
the treble control is for the high-frequency sound range.
@® Speaker selectors (speakers)
main ( B-—» ):
Sound can be heard from the speakers connec ted to the
“MAIN” terminals.
remote (BR —— a» ):
Sound can be heard from the speakers connec ted to the
“REMOTE” terminals.
Note:
Before use, set the speaker impedance selector (On the rear
panel) to the correct impedance corresponding to that of the
speaker systems being used.
@ Headphones jack (phones)
Be sure to set the volume level to the minimum (“)”) position
before connecting the headphones.

Technics SU-Z400 Specifications

General

Brand	Technics
Model	SU-Z400
Category	Amplifier
Language	English