3 -5
3 - 5
PLAY
pressed ?
DSP ready
within ~5s ?
DSP sends to CD10:
“move slide inside”
(DM_PWM 75% duty)
and “accelerate disc”
inner switch
closed within
~6s ?
µ
P sends
command to CD10:
“move slide outside”
DSP sends
commands to CD10:
“slide servo off”
DSP sends
commands to CD10:
“laser on”
“focus servo on”
DSP outputs servo
signal for disc motor
(DM_PWM 50% duty)
µ
P switches
servo driver on
(via S_MUTE)
µ
P initializes
DSP with default
parameter/settings
inner switch
open within
~0.1s ?
Start-up procedure for ext.DC supply,
no accu inserted, hold-switch in off pos.,
ESP on, resume-mode off, CD-door closed.
N
N
N
Y
TOC
found within
~30s ?
Y
Y
N
Y
Y
POWER OFF
(stand-by)
focus found
during ramping
cycle ?
µ
P accelerates
disc to nom. speed
(DM_PWM 80% duty)
µ
P resets DSP
(via RESET
)
Y
N
jump
ok ?
DSP initializes
radial servo loop
(~400ms)
µ
P sends command
to CD10: “jump
10 tracks inside”
Y
Y
subcode
ok ?
N
N
multi-session
(TOC Mode 5)
disc ?
Y
N
Y
Y
N
PLAY-MODE
CDDA
N
N
N
display shows
“
no d1SC
” resp.
“
INSERT DISC
”
start-up stopped
display shows
“
nF d1SC
” resp.
“
UNFINALIZED DISC
”
start-up stopped
disc at nom.
speed within
~6s ?
N
focus
stability test
ok ?
DSP sends new focus
parameters to CD10
(switch to higher
focus sensitivity)
switch back to
normal focus
sensitivity
Y
already
looped through
all (3) focus
sensitivities
?
re-initialize CD10
and restart focus
search procedure
N
Y
Y
re-initialize CD10
and restart focus
search procedure
N
focus found
during ramping
cycle ?
subcode
error handler
radial
error handler
N
DSP sends new focus
parameters to CD10
(switch to higher
focus sensitivity)
Y
already
looped through
all (3) focus
sensitivities
?
Y
focus found
during ramping
cycle ?
focus found
during ramping
cycle ?
Mixed Mode
or CD-Extra
disc?
N
Y
DSP reads TOC of
last valid session
DSP reads
file system via
CD10-I2S data
PLAY-MODE
CDDA
PLAY-MODE
MP3
table1 — key test
DISPLAY
00
02
03
04
05
06
09
10
KEY
PLAY
ALBUM +
ALBUM
-
NEXT
PREVIOUS
MODE
DBB
ESP
Press “STOP” to exit key test.
PRELIMINARY
SETUP
Display shows
firmware version
of DSP and
µ
P
DISPLAY TEST 1
display shows
test pattern 1
DISPLAY TEST 2
display shows
test pattern 2
DISPLAY TEST 3
display shows
test pattern 3
KEY TEST
Display shows
--
To enter the service test program
1. Disconnect the AC/DC adaptor and remove batteries
2. Open the CD-door
3. Hold
"
STOP
"
&
"
PLAY
"
buttons depressed
4. Connect the AC/DC adaptor or insert batteries
NEXT
pressed?
MODE
pressed?
NEXT
pressed?
NEXT
pressed?
STOP
pressed?
N
Y
N
Y
N
Y
N
Y
N
Y
N
Display shows
keycode
(see table1)
Display shows
k
rc
(see table1)
key on
remote control
depressed?
key on
cd-player
depressed?
N
Y
Y
test pattern 1
test pattern 2
test pattern 3
SERVICE TEST PROGRAM - FLOW CHART
START- UP PROCEDURE
