Philips AZ7261 Service Manual page 9

FLOW CHART
"NEXT"
N
pressed?
Y
DISPLAY TEST
Display shows
test pattern 1
"STOP"
N
pressed?
Y
test pattern 1 table1 – key & RC-test
KEYS OF SET
PLAY
MODE
NEXT
PREVIOUS
PROGRAM
RC-test pattern 1 KEYS OF CORD-REMOTE CONTROL
PLAY
NEXT
PREVIOUS
STOP
RC-test pattern 2
KEYS OF IR-REMOTE CONTROL
DIGIT 0..9
STAND-BY
SHUFFLE
RC-test pattern 3
REPEAT
NEXT
PREVIOUS
SCAN
PAUSE
BACKWARD
FORWARD
PLAY
STOP
Press "STOP" on the CD-player to exit the key & RC-test.
2-4
To enter service test program hold
PRELIMINARY
"PLAY" & "STOP"-button depressed,
SETUP
while turning POWER ON.
Display shows
software-version
(e.g. "85 ")
S
MAIN MENU
Remark: Playback test can only
"MODE"
N
be entered if CD-door
pressed?
is closed!
Y
KEY & RC-TEST
Display shows
"--"
Press keys
and check display
acc. to table1
DISPLAY SET DISPLAY CORD RC
table2 – playback error analysis
01
CODE ERROR
02
03 no change
E 1001 sledge out error
05
07
(not on all versions)
rC 01 RC-test pattern 1
E 1002 focus error
RC-test pattern 2
rC 03
E 1003 radial error
rC 05 RC-test pattern 3
rC 06 no change
(not on all versions)
1r2000 ..1r2009
E 1004 subcode error
1r2012
1r2028 E 1011 sledge in error
1r2029
1r2032
1r2033 no change E 1012 focus search
error
1r2043
1r2048
E 1013 fatal radial error
1r2050
E 1014 fatal subcode
1r2052
error
1r2053
1r2054
E 1018 motor N1 error
"PROG"
N
pressed?
Y
x ....state of door switch
PLAYBACK
y ....state of inner switch
TEST
x,y = "1" means switch open
Error during
N
playback?
Y
Display shows
error-code
N
Fatal error?
Y
Stop playback
N
"POWER OFF"
?
EXIT
SERVICE TEST
PROGRAM
TYPE CAUSE
non fatal The slide did not come out of it´s
inner position (inner switch of CDM12
doesn´t open) before 160ms have
passed by.
non fatal Focus point lost.
non fatal The offtrack values of CD7 don´t
decrease properly when jumping tracks,
or CD7 indicates offtrack while radial
tracking is switched on.
non fatal No valid subcode information for 250ms.
fatal The slide did not reach it´s inner pos.
(inner switch of CDM12 doesn´t close)
before 4 seconds have passed by.
fatal The focus point could not be found
inbetween 4 seconds.
fatal Radial error occured 25 times.
fatal No valid subcode information for
6 seconds.
fatal The disc didn´t reach 75% of the nom.
speed inbetween 3 sec.
2-4
"PLAY"
N
pressed?
Y
SERVO TEST
Display shows
"S xy "
"PLAY" "NEXT" "PREV"
N N N
pressed? pressed? pressed?
Y Y Y
Slide moves Slide moves
1)
FOCUS TEST
outside inside
FOCUS
N
found?
Y
Display shows Display shows
"-F" "-F"
"PLAY" "NEXT" "PREV"
N N N
pressed? pressed? pressed?
Y Y Y
DISC MOT. TEST Slide moves Slide moves
Disc motor is on outside inside
Disc motor
N
at nom.speed
?
Y
Display shows
Display shows
"-d" "-d"
"PLAY"
N
pressed?
Y
RADIAL TEST
Display shows
"rd"
"NEXT" "PREV"
N N N
"POWER OFF"
pressed? pressed?
?
Y Y Y
EXIT CUE-MODE REVIEW-MODE
SERVICE TEST Track servo jumps Track servo jumps
PROGRAM 10 tracks forward 10 tracks backw.
1)
ATTENTION: LASER IS SWITCHED ON
→ AVOID DIRECT EXPOSURE TO BEAM !!
"MODE" "PROG"
N N
pressed? pressed?
Y Y
Disc motor turns Disc motor turns
clockwise counter-clockwise
(accelerate) (brake)
"MODE" "PROG"
N N
pressed? pressed?
Y Y
Disc motor turns Disc motor turns
clockwise counter-clockwise
(accelerate) (brake)
CS 46 166