Philips AZ 2555 - Service Test Program

4 - 2 4 - 2
STOP button pressed in any step returns
to begin of Service Testprogram.
DISPLAY TEST
Display shows
version number 
of the µP-software.
To enter Service
Testprogramm hold
STOP & BAND buttons
depressed while pressing
POWER on.
*
*
*
To leave Service Testprogram press POWER to 
switch off.
Door switch is ignored → CD door can be opened.
*
Volume up/down buttons function independentely
of the service testprogram.
5 30
EEPROM FORMAT
DISC MOTOR TEST
key
"MODE"
triggered?
n
y
display
"
DisplayPattern1
DisplayPattern1
key
"MODE"
triggered?
n
y
display
"
DisplayPattern2
DisplayPattern2
key
"
STOP
"
triggered?
y
n
"
"
key
"PRESET UP"
triggered?
display "EPF"
force modules to format
their eeprom areas
wait 2 secon
ds
n
y
key "PLAY”
triggered?
display
"CD99”
N
Y
Motor Test
key "STOP"
triggered?
N
Y
Disc Motor
Test
Slide Motor
Test
CD Menu
key "PLAY"
triggered?
focus
found?
key "STOP"
triggered?
Focus found and
key "PLAY"
triggered?
key "STOP"
triggered?
search
for focus
display
"FOC OK"
display
"FOC ERR"
display "RDL"
release mute
N
Disc Servo Test
Radial Servo Test
Focus Servo Test
Y
Y
Y
Y
Y
N
NN
N
key "NEXT"
pressed?
key
"PREVIOUS"
pressed?
jump 16
tracks outside
jump 16 tracks
inside
Jump Test
Y
Y
N
N
speed disc
up
key "STOP"
triggered?
disc is rotating
and key "PLAY"
triggered?
Y
Y
N
N
Slide Motor
Test
Slide Motor
Test
All motors are stopped .
All outputs are muted.
The door switch is ignored.
display
"DISC OK"
focus
found?
Y
display "FOC
ERR"
N
KEY CODE TEST
SLIDE MOTOR TEST
COMPACT DISC TEST
SERVICE PLAY MODE
NEXT button
pressed?
 Display "K-00"


After pressed key 
show key code.
Code Code
1
PREV
11
BAND
2
MODE
12
SOURCE
3
Preset Dn
Preset Up
13
POWER
4
PLAY
14
NEXT
5


 6


STOP
7
PROG
8
EQ
9
WOOX
10
GAME
see table1.
table1
table2
TUNER TEST
key
"
PROGRAM
triggered
?
Display Tuner
version
As long as
No key is pressed
all tuner functions
available except for
program
Y
N
N
SOURCE button
pressed?





The set puts out error 
messages if any problem is
detected in the difference 
play states.
see table2.
N
TUNER VERSION REGION DISPLAY
/00 /02 FM/MW/LW
EUROPE EUR 3B
/00/02 FM/MW
EUROPE EUR 2B
/17 FM/MW
United States USA
Tuner Version information
Preset
Region
1 2 3 4 5 6 7
/00/02(Europe)
FM/MW
87.5
MHz
108
MHz
531
KHz
1602
KHz
558
KHz
1494
KHz
- -
/17 (USA)
FM/AM-Mono
87.5
MHz
108
MHz
530
KHz
1700
KHz
560
KHz
1500
KHz
- -
Factory and Service Mode Presets
F .... Fatal error W .... Warning
Error
number
Type Descr
iption
1000
W focus erro
r
Triggered when the focus is lost during playing the CD.
1001
W radial error
Triggered when the radial servo is not on track for a certain time during playing the CD.
1002
W sledge in error
The sledge did not reach its inner position (innerswitch is closed) before approximately 6
seconds have passed by - innerswitch or sledgemotor problem.
1003
W sledge out error
The sledge did not come out of its inner position (innerswitch is open) before approximately
300ms have passed by - innerswitch or sledge motor problem.
1005
W jump error
Triggered when the jump destination could not be found within
a certain time
.
1006
W subcode error
No valid subcode for
a certain time
during play.
1007
W PLL error
The Phase-Lock-Loop could not lock within
a certain time
.
1008
W turntable motor error
Generated when the CD could not reach 75 % of speed during start-up within a certain time.
Discmotor problem
1020
F focus search error
The focus point has not been found within a certain time.
key
"PROGRAM"
pressed?
key
"SHUFFLE"
pressed?
disc motor turns
counter
clockwise
display "CCW"
disc motor turns
clockwise
display "CW"
Y
Y
N
N
“Program”
“Mode”
key "NEXT"
pressed?
key "PREV"
pressed?
Slide
moves
outside
Slide
moves
inside
Y
Y
N
N
SERVICE TEST PROGRAM