STOP
button pressed in any step returns
to begin of Service Testprogram.
DBB
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 µP - software.
PLAY
button
pressed?
Display shows
PLAY
button
pressed?
NEXT
button
pressed?
PREV.
button
pressed?
SHUFFLE
button
pressed?
Slide moves
outside as
long as
button
is held
depressed.
Slide moves
inside as
long as
button
is held
depressed.
Display shows:
Disc motor turns
clockwise
as long as button
is held depressed.
DBB
button
pressed?
Y
YYY
NNNN
PROG
button
pressed?
Disc motor turns
counter clockwise
as long as button
is held depressed.
Y
N
FOCUS found?
Y
N
Display shows
objective moves up&down
disc motor for 300ms "on"
PLAY
button
pressed?
Y
N
Display shows
disc motor turns.
NEXT
button
pressed?
Y
Display shows
PREV
button
pressed?
Y
jumps in steps of
16 tracks forward
FOCUS search
jumps in steps of
16 tracks backwards
SLIDE MOTOR test
DISC MOTOR test
To enter Service
Testprogram hold
Program & Shuffle
buttons
depressed while
plugging mainscord in.
fig. 1
*
Door switch is ignored → CD door can be opened.
Slide servo, Radial servo, Focus servo, Disc motor
and Laser are switched off.
Mute is switched on via decoder IC.
PLAY
button
pressed?
Y
N
Display shows
NN
N
fig. 2
set continues operation, message remains on the display until next error occurs
or any key is pressed.
Error number Error type
Error type:
Error description
E1000 Focus error
Triggered when the focus is lost during playing the CD.
E1006
Subcode error
No valid subcode for a certain time during play.
Slide-out error
The sledge did not come out of its inner position (innerswitch is open) before
approximately 300ms have passed by - innerswitch or sledgemotor problem.
E1002 Slide-in error
The sledge did not reach its inner position (innerswitch is closed) before approximately 6
seconds have pressed by - innerswitch or sledgemotor problem.
W
E1020 Focus search error
The focus point has not been found within a certain time.
F
W
W
E1001 Radial error
Triggered when the radial servo is not on track for a certain time during playing the CD.
W
W
W
W
W = Warning →
F = Fatal Error
→ set stops operation, message remains on the display.
CD ERROR CODES
table 1
E1005 Jump error
Triggered when the jump destination could not be found within a certain time.
E1007 PLL error
The Phase-Lock-Loop could not lock within a certain time.
*
In CD- and Tuner tests 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.
Display shows:
stands for Service mode
S 84
S
CD99
FOC ERR
FOC OK
DISK OK
RDL
release mute
CW CCW
E1003
E1008
Turntable motor error
Generated when the CD could not reach 75% of speed during start-up within a certain
time. Discmotor problem.
W
N
Y
FORMAT EEPROM
Display shows
for 2s.
EEPROM is cleared and
default values are stored.
RDS
button
pressed?
This test should be done at the
end of the production process
so that every set is customised
before leaving factory.
Y
TUNER TEST
N
Display shows version
of tuner board as long as
any key will be pressed.
PROG
button
pressed?
Tuner is normal working
except for the
PROGRAM
button.
POWER
switched off?
N
Y
Exit Service Testprogram
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
SHUFFLE
button for more than 5s in normal tuner mode (not in service testmode).
Display will show either or for 2 s.
e.g.
EUR
EUR USA OSE
GRID 9 GRID 10
EPF
PROGRAM SHUFFLE
FM STEREO
RECORD REPEAT ALL
MWLWAM
SIDE B
NEWS
TIMER
EON
SIDE A
DBB
CD
TUNER
STEREO
AM
www.freeservicemanuals.info
Digitized in Heiloo Netherlands
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