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
Display shows all
segments and flags
for checking open circuits.
see figure 1
IS
- LED is switched on.
Display shows figure 2.
All alternate pins (2, 4, ..)
of the display are activated
for checking shortcircuits.
IS
- LED is switched off.
DISPLAY TEST
CD SERVO TEST
Display shows
version number
of the P - software.
NEXT
button
pressed?
Display shows
ALBUM UP
pressed?
ALBUM DN
pressed?
Slide moves
outwards as
long as
button
is held
depressed.
PLAY
button
pressed?
Y
Y
N N
FOCUS found?
Y
N
Display shows
FOCUS search
SLIDE MOTOR test
To enter Service
Testprogram hold
REC & PLAY
buttons
depressed while
plugging mainscord in.
fig. 1
*
Door switch is ignored → CD door can be opened.
XX.XX is software version, eg. S 4.15
N
fig. 2
*
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,
SXX XX
S
N
Y
FORMAT EEPROM
Display shows
if it is fail,
skip to
EEPROM is cleared and
default values are stored.
BAND
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.
GRID
9KHZ
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?
STOP
button
pressed?
TAPE
TEST
N
Y
GRID
10KHZ
TO
10KHZ
TO
9KHZ
EEPROM
TEST
CD
VER 23
CD
NO FOC
TUN OSE
TEST
TUN USA
TEST
TUN EUR
TEST
EEPROM
EPF
Display shows
CD
SLEDGE
Enter sledge test
NEXT button
pressed?
Y
PREV button
pressed?
Y
N
N
Enter focus test
Display shows
CD
disc motor turns
FOC OK
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
Y
TUNER TEST
N
Display shows version
of tuner board as long as
PROGRAM
key will be
pressed.
PRESET UP
pressed?
Tuner is normal working
except for the
PROGRAM
button.
POWER
switched off?
N
Y
Exit Service Testprogram
e.g.
TUN EUR
TEST
EEPROM
FAILURE
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