Philips MCM390 - Service Test Program; Functional Testing Modes

5 - 1
5 - 1
SERVICE TEST PROGRAM
STOP button pressed in any step returns
to begin of Service Testprogram.
PLAY button
pressed?
STOP button
pressed?
N
N
Y
Y
Y
Y
N
BLANK
DISPLAY TEST
CD SERVO TEST
Display shows
version number
of the µP - software.
NEXT button
pressed?
Display shows
ALBUM DN
pressed?
Slide moves
outwards as
long as
button
is held
depressed.
PLAY button
pressed?
ALBUM UP
pressed?
Y
Y
N N
FOCUS found?
Y
N
Display shows
FOCUS search
SLIDE MOTOR test
To enter Service
Testprogram hold
PLAY & DISPLAY buttons
depressed while
plugging mainscord in.
*
Door switch is ignored mCD door can be opened.
is software version, eg. S 4.15
N
*
Tuner test the sound settings Volume up/down,
DSC, IS and DBB function as in normal mode,
but flags will not be indicated on the display in all steps.
stands for Service mode,
N
Y
FORMAT EEPROM
Display shows
if it is fail,
skip to
EEPROM is cleared and
default values are stored.
DISPLAY button
pressed?
This test should be done at the
end of the production process
so that every set is customised
before leaving factory.
table 2
EUROPE
FM/MW
USA
FM/MW
OVERSEAS
FM/MW
REGION
&
SET VERSIONS
1)
Grid switchable
100/10kHz - 50/9kHz
/22/25
/37 /21/21M/30
TUNER VERSIONS
1)
To toggle frequency grid press BAND button for more than 5s in normal tuner mode (not in service testmode).
Display will show either or , and show or
when button released.
N
Y
TAPE TEST
Display shows
Solenoids of the deck
are activated for 2s and
deactivated for 3s.
Switch all actions off
REC button
pressed?
PLAY/DISPLAY button
pressed?
PLAY/DISPLAY button
pressed?
N
Y
TUN OSE
TUN USA
TUN EUR
Display shows
Enter sledge test
NEXT button
pressed?
Y
PREV button
pressed?
Y
N
N
Enter focus test
Display shows
disc motor turns
PLAY button
pressed?
Y
Slide stops
moving
N
Slide moves
inwards as
long as
button
is held
depressed.
PLAY button
pressed?
Y
Slide stops
moving
N
skip to
N
SOURCE TEST
N
Display shows version
of tuner board as long as
PROGRAM key will be
pressed.
Tuner is normal working
except for the PROGRAM
button.
POWER
switched off?
KEY TEST
Button Display
Power
Clock set
Program
Band
Play
.
-



RECORD
SOURCE
IS
DSS
VOL DOWN
VOL DOWN
Table1
N
Y
Exit Service Testprogram
e.g.
N
Y
Y
KEY TEST
SOURCE button
pressed?
This test should be done at the
end of the production process
so that every set is customised
before leaving factory.
Press every buttons,
Display shows
(See table 1)
PRESET UP
pressed?
Display shows all
segments and flags
for checking open circuits.
see figure 1
IS - LED is switched on.
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