Sony CDU31A Series Service Manual page 53

Item/Procedure
7. Muting
a.
Hit
~
(E-Volumc) key.
(Display 3-4-6 shows up)
b.
Hit~
key to start Muting.
l
Esc
l
I
_Abort
Fl
Disable
Eject S
F3
PLAY MODE
L+R
-+
F5
Esc
End
Home
PgDn
Pg Up
+
t
E-VOLUME
exit
Mute
Max
-10
+10
- 1
+
1
Specification (Normal Status)
l.
The sound stops. (MUTE test
land is High level.)
AUDIO TEST
Audio A TT
=
20
*
log (parameter /256)
Audio ATT: [ Mute ] 0
Check point
IC20l-9, IC21 l-8, ICI03-88.
Alt·Z
RESET DRIVE
PLAY
t.«>DE
L-+LEl!:::=====================:::::..i
F7
PLAY MODE OF
L+R
-+
L&R
F8
«
Reverse
»
[ATN : 80) Loading Mechanism is Loaded !
Auto Spin Up : OFF / Auto Eject : ON
L-+ L R-+ R L [ O.OdB] R [ 0.0dB]
[CTRL : 1] [TNO : 01) [IDX : 01)
Close but No Disc / TOC
~
NO LED : OFF
Display 3-4-6
3-10