3-5
3-5
table2 – key test
DISPLAY
05
06
07
12
13
DISPLAY
01 r
02 r
03 r
05 r
06 r
07 r
12 r
13 r
KEY ON SET
PLAY
NEXT
PREVIOUS
VOLUME –
KEY ON CORD-RC
DBB
PROGRAM
MODE
PLAY
NEXT
PREVIOUS
VOLUME –
Press “STOP” to exit the key test.
table4 – disc speed
DISPLAY FLAG
DISC SPEED
(% of single speed)
100%
200%
350%
PRELIMINARY
SETUP
EXIT
SERVICE TEST
PROGRAM
Display shows
software-version
(e.g. “
P-2901
”)
DISPLAY TEST 1
display shows
test pattern 1
DISPLAY TEST 2
display shows
test pattern 2
KEY TEST
Display shows
“
--
”
PLAYBACK TEST
Close CD-door &
press “PLAY”
To enter the service test program
1. Disconnect the AC/DC adaptor and remove batteries
2. Open the CD-door
3. Hold “PLAY” & “NEXT” buttons depressed
4. Connect the AC/DC adaptor or insert batteries
CUE-MODE
Track servo jumps
16 tracks forwards
“PROG”
pressed?
“NEXT”
pressed?
“VOL-”
pressed?
“PLAY”
pressed?
“PLAY”
pressed?
Error during
playback?
“PLAY”
and focus OK
and speed
OK?
“NEXT”
depressed?
REVIEW-MODE
Track servo jumps
16 tracks backw.
Fatal error?
Display shows
error-code
(see table1)
Slide moves
outside
Slide moves
inside
“NEXT”
depressed?
“NEXT”
pressed?
“NEXT”
pressed?
“PREV”
depressed?
“VOL +”
depressed?
“VOL –”
depressed?
Stop playback
MAIN MENU
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Toggle focus
sensitivity
(see table 3)
“DBB”
pressed?
N
Y
N
Y
“VOL+”
pressed?
N
Y
Y
N
read patt. =
written patt.
?
N
table3 – focus sensitivity
DISPLAY FLAG
FOCUS SENSITIVITY
Normal focus sensitivity for
CDDA and CD-R
Low focus sensitivity for
high-reflective CD-RW
High focus sensitivity for
low-reflective CD-RW
Disc motor turns
clockwise
(accelerate)
Disc motor turns
counter-clockwise
(brake)
“MODE”
pressed?
N
Y
Toggle
disc speed
(see table 4)
ATT: FROM THIS TEST ONWARDS
THE LASER IS SWITCHED ON !!
→
AVOID DIRECT EXPOSURE
TO BEAM !!
test pattern 1 (all segments activated)
“PREV”
depressed?
RADIAL TEST
• Focus status
“
F
” = focus OK
“
-F
” = focus error
• Disc speed status
“
d
” = speed OK
“
-d
” = speed error
• On track status
“
r
” = on track
“
-r
” = not on track
FOCUS / DISC
SPEED TEST
• Focus status
“
F
” = focus OK
“
-F
” = focus error
• Disc speed status
“
d
” = speed OK
“
-d
” = speed error
SERVO TEST
Display shows:
“
SD
xy
”
• State of switches
x = door switch
y = inner switch
“
0
” = closed
“
1
” = open
test pattern 2 (alternate segments activated)
Display shows
keycode
(see table2)
Display shows
k “
r
”
(see table2)
µ
P writes test
pattern to
EEPROM
µ
P reads back
test pattern from
EEPROM
key on
remote control
depressed?
key on
CD-player
depressed?
N
Y
Y
Display shows
“
FULL
” + “ ”
Display shows
“
OOPS
”
Format EEPROM
with default values
µ
P saves
original
EEPROM data
µ
P restores
original
EEPROM data
EEPROM TEST
“PLAY”
pressed?
Y
“STOP”
pressed?
N
“STOP”
pressed?
Display shows
“
FULL
” + “ ”
SERVICE TEST PROGRAM – FLOW CHART