4 - 2
4 - 2
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
µ
P - 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
Y
Y
Y
N
N
N
N
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
N
N
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
N
Y
TAPE TEST
Display shows
Solenoids of the deck
are activated for 2s and
deactivated for 3s.
Switch all actions off
RECORD button
pressed?
STOP button
pressed?
TAPE
PROGRAM SHUFFLE
FM STEREO
RECORD REPEAT ALL MWLWAM
SIDE B
NEWS
TIMER
E O N
SIDE A
DBB
CD
TUNER
STEREO
AM
N
Y
CD SERVICE TEST PROGRAM
