Yamaha M-2 Panduan Pemilik - Halaman 11
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Halaman Cetak
TROUBLESHOOTING
০০৮৪০
ו
ge NM
pepe
J————Ó
i
Symptom
Cause
Een,
Ap. sê inan AN
GB
EE
| Power wiil not turn on although POWER
switch is ON.
;
Power
cord
plug
is not firmly inserted
into AC outlet.
Power does not turn on when power plug is inserted into
AC outlet.
Contact
an audio
serviceman
at your
nearest YAMAHA
EE
No sound produced from the right and left speakers, or
| |
Insufficient
connection
between
control
amplifier
and
Check and confirm connection, or operation.
| either the right, or left speaker,
| power amplifier, or between
power amplifier and speak-
|
|
| ers.
|
|
|
|
a
a,
:
EE
נ ב ו geen
e
aa | ae
م
ווי
০১০৯৭
eg
|
|
|
BALANCE
control
of the control amplifier has deviated
| Properly
re-adjust
BALANCE
control
of control
ampli-
|
|
either to the right, or left side.
| fier.
|
|
M
——
MÀ
M
M
m
M
—
M
M
—
ا
TV RUE
SE EYN Em
5
e
|
| LEVEL
control
turned
down
too much
(Turned
too far
| Turn
LEVEL
control clockwise.
|
|
counterclockwise}.
|
|
Beete
EE
ant tenn —
1 |
||
|
Sounds suddenly cease during PLAY.
Speaker's
protective
circuit
is working
because
a DC po-
When
the potential
of the power
DN
becomes zero,
|
|
tential
more
than
+ 1V
has generated
at the speaker's
|
the
relay
will
be
actuated,
causing
the
circuit
to
be
|
|
output terminal,
|
connected.
N
|
|
Turn
off
the
POWER
switch
of the power
amplifier,
|
|
Wait a little while and turn it on again.
|
23000000000
—
Ls
2
NN NEF
|
baen alit inside the circuit.
Contact an audio serviceman
at your
nearest YAMAHA
|
|
dealer.
p
s
NES
"—
M E M MEMO
100000000102121 0530
TEN
el
וורו
רווי
רו
Y
دلل
|
Unnatural reproduced sounds with poor bass and unstable
The phases (+ and —} of the power amplifier not match-
After matching the phases properly, re-connect.
|
| stereo image.
ing those of the speakers.
|
| rrr
[M
Eu
a EEN
SE
| Sufficient
volume
not obtained
when
VOLUME
control
Input LEVEL
control is turned counterclockwise.
Adjust
to proper
volume
by turning
input
LEVEL
=
| of control amplifier is turned up.
;
trol clockwise,
|
i
[prre
|
|
|
=
; Loud humming generated during program audition.
Insufficient contact af pin plug.
Re-insert pin E
in firm manner.
H
;
HD
Sha
E
בב
كت
SCE SEE PN E
ו
جل
Sateen
a
a AE
E
E N p
PM
২০০
5
|
Earth line of 8
not connected
to GND terminal
টা,
earth line to GND terminal of control দা Vier.
of control amplifier.