Philips AX5301, Руководство по обслуживанию

Страница: 19 / 30

3 - 8
table1 – key test
DISPLAY
01
02
03
05
06
07
08
09
KEY
DBB
PROGRAM
MODE
PLAY
NEXT
PREVIOUS
VOL+
VOL-
Press “STOP” on the CD-player to exit the key test.
PRELIMINARY
SETUP
Display shows
software-version
(e.g. “
S-
05
”)
DISPLAY TEST 1
display shows
test pattern 1
DISPLAY TEST 2
display shows
test pattern 2
KEY TEST
Display shows
“ -- ”
To enter service test program open the CD-door first and
hold “VOL+” & “PLAY” buttons depressed while
turning POWER ON (i.e. connecting the AC/DC adaptor)
“NEXT”
pressed?
“MODE”
pressed?
“NEXT”
pressed?
“NEXT”
pressed?
Hold key depressed
and check display
according to table1
MAIN MENU
N
Y
N
Y
N
Y
N
Y
test pattern 1 (all segments activated)
test pattern 2 (alternate segments activated)
table2 – focus sensitivity
DISPLAY
- F 01
- F 02
- F 03
- F 04
ESP-FLAG
off
on
on
on
FOCUS SENSITIVITY
Normal focus sensitivity for CDDA
Low focus sensitivity for
high-reflective CD-RW
Medium focus sensitivity for
normal-reflective CD-RW
High focus sensitivity for
low-reflective CD-RW
CUE-MODE
Track servo jumps
16 tracks forwards
“PLAY”
pressed?
“PLAY”
pressed?
“PLAY”
pressed and
focus OK?
“PLAY”
and focus OK
and speed
OK?
“NEXT”
depressed?
REVIEW-MODE
Track servo jumps
16 tracks backw.
Slide moves
outside
Slide moves
inside
“NEXT”
depressed?
“PREV”
depressed?
“MODE”
depressed?
“PROG”
depressed?
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
N
Y
Toggle focus
sensitivity
(see table2)
“BASS”
pressed?
N
Y
Disc motor turns
clockwise
(accelerate)
Disc motor turns
counter-clockwise
(brake)
Slide moves
outside
Slide moves
inside
“NEXT”
depressed?
“PREV”
depressed?
“MODE”
depressed?
“PROG”
depressed?
N
Y
N
Y
N
Y
N
Y
Disc motor turns
clockwise
(accelerate)
Disc motor turns
counter-clockwise
(brake)
ATTENTION: FROM THIS TEST ONWARDS THE
LASER IS SWITCHED ON !!
→
AVOID DIRECT EXPOSURE TO BEAM !!
“PREV”
depressed?
RADIAL TEST
• On track status
“
r
” = on track
“
-r
” = not on track
• Disc speed status
“
d
” = speed OK
“
-d
” = speed error
• Focus status
“
F x
” = focus OK
“
-F x
” = focus error
x = focus sensitivity
DISC MOT. TEST
• Disc speed status
“
d
” = speed OK
“
-d
” = speed error
• Focus status
“
F x
” = focus OK
“
-F x
” = focus error
x = focus sensitivity
(see table2)
FOCUS TEST
• Focus status
“
F x
” = focus OK
“
-F x
” = focus error
x = focus sensitivity
(see table2)
Note: If focus has
been lost, focus
start-up procedure
is entered (ramping).
SERVO TEST
Display shows:
“ Cd
xy
”
• State of switches
x = door switch
y = inner switch
“
0 ” = closed
“ 1 ” = open
resum resume
m
B
repeat all
shuffle resume
program
DBB
vol
3 - 8
SERVICE TEST PROGRAM - FLOW CHART