Service Mode - Sanyo MCH-900F Service Manual

i
SERVICE
MODE
,#
The unit has four service modes.
. After pressing the
OPEN/CLOSE
and RANDOM buttons at the same time, press one of the following
buttons within
one second to
enter the corresponding service mode.
BUTTON SERVICE MODE
PLAY I PAUSE
KEY WIRING CHECK
I
PLAY I PAUSE I
LED
AND
LCD WIRING CHECK
I
1
t
FWD t CD BLOCK ADJUSTMENT MODE
OPEN/CLOSE
CD BLOCK OPERATION DISPLAY
MODE
. To cancel the service
mode,
press the POWER button to switch
"OFF"
the power supply.
a.
KEY WIRING CHECK
(1) After pressing [he
OPEN/CLOSE and RANDOM buttons at the same time,
press the PLAY/PAUSE button within one second.
(2) The LEDs
light and the
LCD segments are displayed.
~ .. —.. —.. —.. —-. —.. —.. —.. —.. —-.—.. —..—..—.. —-. —--—.. —--—.. —--—.-—.-
!
Disc
TRACK
1-
-
m!
I II
I_l :1I_/ 1:/:
I
I
//
1 If
_/l ///
:-
--
ALL 1
RANDOM INTRO REPEAT ~
L ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ..J
(3) Pressing a key toggles the corresponding LED or LCD display indication on and off.
Pressing the key when the indication is off turns it on, and pressing the key when the indication is on turns it off.
I
KEY INPUT
I
DISPLAY
I
REPEAT
REPEAT
MEMORY
I PROG.
I
PLAY I PAUSE
b
RANDOM RANDOM
I
INTRO I INTRO
I
OPEN/CLOSE
I ALL
I
I
POWER OFF
I
I BACU
t--z-
H-
I=
5
6
DISC CHECK
=
DISPLAY
LCD
LED
DISC
TRACK
1
1
I
—
l—_'
2
=
=1
—1
3
11 —
4
l—
=1
5
c l_l
6
1—1
#_l
(4) Press the POWER button to switch "OFF" the power supply and cancel the service mode.
b. LED AND LCD WIRING CHECK
(1)
(2)
(3)
A(ter pressing the OPEN/CLOSE and RANDOM buttons at the same time,
press the PLAY/PAUSE button within one second.
Press the STOP button.
All the LEDs light and all the LCD segments are displayed.
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