Philips Expanium AZ 4000, Руководство по обслуживанию

Страница: 8 / 48

4 - 2 4 - 2
STOP button pressed in any step returns
to begin of Service Testprogram.
SLEEP
button
pressed?
STOP button
pressed?
STOP button
pressed?
N
N
Y
Y
Y
Y
N
Display shows all
segments and flags
for checking open circuits.
see figure 1
Display shows figure 2.
DISPLAY TEST
CD SERVO TEST
Display shows
version number
of the µP - software.
CD MODE button
pressed?
Display shows
PLAY button
pressed?
NEXT button
pressed?
PREV
button pressed?
PRESET-UP
button
pressed?
Slide moves
outside as
long as button
is held
depressed.
Slide moves
inside as
long as button
is held
depressed.
Display shows:
Disc motor turns
clockwise
as long as button
is held depressed.
SLEEP button
pressed?
Y
Y Y
Y
N
N
N N
PRESET-DN
button
pressed?
Disc motor turns
counter clockwise
as long as button
is held depressed.
Y
N
FOCUS found?
Y
N
Display shows
objective moves up&down
disc motor for 300ms "on"
Y
N
Display shows
disc motor turns.
Display shows
FOCUS search
SLIDE MOTOR test
DISC MOTOR test
To enter Service
Testprogram hold
DISPLAY & UB buttons
depressed and
press POWER
fig. 1
* Door switch is ignored
→
CD door can be opened.
Slide servo, Radial servo, Focus servo, Disc motor
and Laser are switched off.
Mute is switched on via decoder IC.
PLAY button
pressed?
Y
Y
N
Display shows
N
fig. 2
set continues operation, message remains on the display until next error occurs
or any key is pressed.
Error number Error type
Error type:
Error description
E1000 Focus error
Triggered when the focus is lost during playing the CD.
E1006
Subcode error
No valid subcode for a certain time during play.
Slide-out error
The sledge did not come out of its inner position (innerswitch is open) before
approximately 300ms have passed by - innerswitch or sledgemotor problem.
E1002 Slide-in error
The sledge did not reach its inner position (innerswitch is closed) before approximately 6
seconds have pressed by - innerswitch or sledgemotor problem.
W
E1020 Focus search error
The focus point has not been found within a certain time.
F
W
W
E1001 Radial error
Triggered when the radial servo is not on track for a certain time during playing the CD.
W
W
W
W
W = Warning
→
F = Fatal Error
→
set stops operation, message remains on the display.
CD ERROR CODES
table 1
E1005 Jump error
Triggered when the jump destination could not be found within a certain time.
E1007 PLL error
The Phase-Lock-Loop could not lock within a certain time.
* In CD- and Tuner tests the sound settings Volume up/down,
DSC, IS and DBB function as in normal mode,
but flags will not be indicated on the display in all steps.
Display shows:
stands for Service mode
S 37
S
CD99MP3
FOC ERR
FOC OK
DISK OK
RDL
release mute
CC CCW
E1003
E1008 Turntable motor error
Generated when the CD could not reach 75% of speed during start-up within a certain
time. Discmotor problem.
W
N
Y
Y
FORMAT EEPROM
Display shows
for 2s.
EEPROM is cleared and
default values are stored.
PROG button
pressed?
This test should be done at the
end of the production process
so that every set is customised
before leaving factory.
Y
TUNER TEST
N
Display shows version
of tuner board as long as
any key will be pressed.
SOURCE
button
pressed?
Tuner is normal working
except for the PROGRAM
button.
POWER
switched off?
N
Y
Exit Service Testprogram
table 2
EUROPE
FM/MW
USA
FM/MW
OVERSEAS
FM/MW
REGION
&
SET VERSIONS
1)Grid switchable
100/10kHz - 50/9kHz
/00 /05 /17 /01 /11 /19
TUNER VERSIONS
1)
To toggle frequency grid press CD MODE button for more than 5s in normal tuner mode
(not in service testmode).
Display will show either or for 2 s.
e.g.
EUR
EUR USA OSE
GRID 9 GRID10
EPF
PLAY button
pressed?
stereo
all repeat
shuffle
program
MP3CD
CD
tuner
sleep
SERVICE TEST PROGRAM