Philips AZ 7566, Руководство по обслуживанию

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2-4 2-4
CS 46 435
table1 – key & RC-test
DISPLAY CORD RC
no change
no change
DISPLAY SET
01
02
03
04
05
07
rC 01
rC 03
rC 05
rC 06
KEYS OF SET
PLAY
MODE
NEXT
DSP
PREVIOUS
PROGRAM
KEYS OF CORD-REMOTE CONTROL (not on all versions)
PLAY
NEXT
PREVIOUS
STOP
Press “STOP” on the CD-player to exit the key & RC-test.
PRELIMINARY
SETUP
EXIT
SERVICE TEST
PROGRAM
Display shows
software-version
(e.g. “ 90 S ”)
DISPLAY TEST
Display shows
test pattern 1
KEY & RC-TEST
Display shows
“ -- ”
SERVO TEST
Display shows
“ S xy”
To enter service test program hold
“PROGRAM” & “STOP”-button depressed,
while turning POWER ON.
Remark: Playback test can only
be entered if CD-door
is closed!
IC-CHECK
Display shows
“ C x n y”
FOCUS TEST
1)
CUE-MODE
Track servo jumps
16 tracks forward
RADIAL TEST
Display shows
“ rd ”
STATUS OF
ERROR CORR.
Display shows "
H
"
“NEXT”
pressed?
“MODE”
pressed?
“DSP”
pressed?
“PLAY”
pressed?
“PLAY”
pressed?
Error during
playback?
FOCUS
found?
“PLAY”
pressed?
“PLAY”
pressed?
“PLAY”
pressed?
“NEXT”
pressed?
REVIEW-MODE
Track servo jumps
16 tracks backw.
“PREV”
pressed?
Disc motor
at nom.speed
?
Display shows
“ F ”
Fatal error?
Display shows
error-code
PLAYBACK
TEST
DISC MOT. TEST
Disc motor is on
Display shows
“ -F ”
Slide moves
outside
Slide moves
inside
Display shows
“ d ”
Display shows
“ -d ”
“NEXT”
pressed?
“PLAY”
pressed?
“PLAY”
pressed?
“PLAY”
pressed?
Display shows
test pattern 3
Display shows
test pattern 2
“PREV”
pressed?
“MODE”
pressed?
“DSP”
pressed?
Stop playback
Press keys
and check display
acc. to table1
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
Y
N
Y
N
Y
N
Y
CODE
E 1001
E 1002
E 1003
E 1004
E 1005
E 1011
E 1012
E 1013
E 1014
E 1018
E 1019
ERROR
sledge out error
focus error
radial error
subcode error
DRAM filling
error
sledge in error
focus search
error
fatal radial error
fatal subcode
error
motor N1 error
motor N2 error
TYPE
non fatal
non fatal
non fatal
non fatal
non fatal
fatal
fatal
fatal
fatal
fatal
fatal
CAUSE
The sledge did not come out of it´s
inner position (inner switch of CDM12
doesn´t open) before 240ms have
passed by.
Focus point lost.
The offtrack values of CD7 don´t
decrease properly when jumping tracks,
or CD7 indicates offtrack while radial
tracking is switched on.
No valid subcode information for 250ms.
The DRAM controller was not able to
connect two consecutive audio frames.
The sledge did not reach it´s inner pos.
(inner switch of CDM12 doesn´t close)
before 6 seconds have passed by.
The focus point could not be found
inbetween 4 seconds.
Radial error occured 15 times.
No valid subcode information for
3.5 seconds.
The disc didn´t reach 75% of the
nom. single speed inbetween 4.5 sec.
The disc didn´t reach 75% of the
nom. double speed inbetween 4.5 sec.
test pattern 1
table2 – playback error analysis
test pattern 2
test pattern 3
Disc motor turns
clockwise
(accelerate)
Disc motor turns
counter-clockwise
(brake)
Slide moves
outside
Slide moves
inside
“NEXT”
pressed?
“PREV”
pressed?
“MODE”
pressed?
“DSP”
pressed?
N
Y
N
Y
N
Y
N
Y
Disc motor turns
clockwise
(accelerate)
Disc motor turns
counter-clockwise
(brake)
C x....result of CD7-check
n
y....result of NPC-check
x,y = “ 1 ” means test OK
x....state of door switch
y....state of inner switch
x,y = “
1 ” means switch open
1)
ATTENTION: LASER IS SWITCHED ON
→
AVOID DIRECT EXPOSURE TO BEAM !!
FLOW CHART