Service Test Program - Philips MCM510/22/25/33 Service Manual

SERVICE TEST PROGRAM

CD SERVO TEST
DISPLAY TEST
PLAY button NEXT button
N N
pressed? pressed?
Y Y
Display shows all Display shows
segments and flags
for checking open circuits.
see figure 1
PLAY button ALBUM UP
N N
pressed? pressed?
Y
Y
FOCUS search
Display shows
BLANK
Enter focus test
STOP button
N
pressed?
Y
FOCUS found?
Y
Display shows
disc motor turns
Figure 1
3-1
To enter Service * Door switch is ignored → CD door can be opened.
Testprogram hold
* Tuner test the sound settings Volume up/down,
PLAY & DISPLAY buttons
DSC, IS and DBB function as in normal mode,
depressed while
but flags will not be indicated on the display in all steps.
plugging mainscord in.
Display shows
stands for Service mode,
version number
of the µP - software.
is software version, eg. S 1262
STOP button pressed in any step returns
to begin of Service Testprogram.
SLIDE MOTOR test
ALBUM DN
N
pressed?
Y
Display shows
Enter sledge test
NEXT button PREV button
N
pressed? pressed?
N
Y Y
Slide moves Slide moves
outwards as
inwards as
long as button long as button
is held
is held
depressed. depressed.
PLAY button PLAY button
N
pressed?
pressed?
Y Y
Slide stops Slide stops
moving moving
FORMAT EEPROM
DISPLAY button N
pressed?
Y
Display shows
skip to
if it is fail,
skip to
EEPROM is cleared and
default values are stored.
N
STOP button
N
pressed?
Y
This test should be done at the
end of the production process
so that every set is customised
before leaving factory.
N
REGION
&
SET VERSIONS
3-1
TAPE TEST
REC button
N
pressed?
Y
Display shows
Solenoids of the deck
are activated for 2s and
deactivated for 3s.
N
PLAY/DISPLAY button
pressed?
Y
Switch all actions off
TUNER VERSIONS
TUN EURT TUN USA TUN OSE
EUROPE USA OVERSEAS
FM/MW FM/MW FM/MW
1) Grid switchable
100/10kHz - 50/9kHz
/22/25 /37 / 21/21M/30
table 2
SOURCE TEST
PRESET UP N
pressed?
N
Display shows version
of tuner board as long as
PROGRAM key will be
pressed.
e.g.
Tuner is normal working
except for the PROGRAM
button.
STOP button
N
pressed?
Y