Cd Service Test Program - Philips AZ 2040 Service Manual

SERVICE TEST PROGRAM
STOP button pressed in any step returns
*
to begin of Service Testprogram.
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.
DISPLAY TEST EP2PROM CLEAR
N
N
HIGH-UP button HIGH-DN button
pressed? pressed?
Y
Y
Display shows
Display shows all
segments and flags.
EP
see figure 1
E2prom clear
N
N
HIGH-UP button STOP button
pressed? pressed?
Y
Y
Display shows part
segments and flags.
see figure 2
N
HIGH-UP button
pressed?
Y
Display shows part
segments and flags.
see figure 3
N
STOP button
pressed?
Y
shuffle
repeat
all
program DBB
stereo
FMAM LWMW
figure 1
shuffle
repeat
all
program
stereo
AM LW
figure 2
4 - 2
To enter CD Service CD TEST
Testprogramm hold
PROG & MODE buttons
depressed while pressing
POWER on. Press
SOURCE to select
CD mode.
Display shows
version number Slide servo, Radial servo, Focus servo, Disc motor
of the P - software.
and Laser are switched off.
CD V-02 Mute is switched on via decoder IC.
CD SERVO TEST
N NEXT button
pressed?
Y
Display shows
see table 1
SLIDE MOTOR test
N
N
NEXT button BASS-UP button BASS-DN button
pressed? pressed? pressed?
Y
Y Y
FOCUS search
Display shows
Slide moves Slide moves
-02
outside as long as inside as long as
FOC
button is held button is held
objective moves up&down depressed. depressed.
disc motor for 160ms "on"
N
FOCUS found?
Y
Display shows
+ 1 Inner switch is opened.
FM
- 1
Inner switch is closed.
disc motor turns.
OPEN Door switch is open.
CLOS Door switch is closed.
STOP button N
pressed?
table 1
Y
CD ERROR CODES
Error code
Err 1 No Focus found.
Err 2 Time out error for disc motor reach the normal speed.
Err 3 Focus error during tracking initialization.
Err 4 Subcode error on play mode.
Err 5 Focus error on play mode.
DBB
Err 6
Radial error on search mode.
Err 7 Focus error
FM MW
figure 3
SERVICE PLAY TEST
DISC MOTOR test
N N N
MID-DN button
MID-UP button
pressed? pressed?
Y
Y
Disc motor turns Disc motor turns
Set is in Service PLAY Mode.
counter clockwise clockwise
In case of failures, error
as long as button as long as button
codes according to table 2
is held depressed. is held depressed.
(brake) (accelerate)
EUROPE
REGION
FM/MW/LW
PRESET
/00/05/20/25
1 87.5 MHz
2
3
4 1602 kHz
5
6 1494 kHz
7
8
Error description
9
10
11
12
13
1) How to set frequency grid:
AM - 9 kHz / FM - 50 kHz : Hold MODE with the PRESET DOWN simultaneously and then switch to TUNER .
AM - 10 kHz / FM - 100 kHz : Hold MODE with the PRESET UP simultaneously and then swutch to TUNER .
table 2
Selected frequency grid is stored in the EEPROM.
4 - 2
To enter CD Service
Testprogramm hold
TUNER TEST
PROG & MODE buttons
depressed while pressing
POWER on. Press
SOURCE to select
TUNER mode.
Display shows
version number
of the P - software.
TU V-02
PROG button
pressed?
PLAY button
Y
pressed?
Ser. preset frequencies
The Service Play Model
acc. table 3 are copied
is intended to detect and to the RAM.
identify the failures in the
Tuner is normal working
CD Mode.
In this mode the electronics
will still function even when
STOP button
an error is detected so that
pressed?
repair activities can be carried out.
Y
will be displayed.
SERVICE PRESET FREQUENCIES
EUROPE2B OVERSEAS EAST-EUROPE USA
FM/MW FM/MW FM/MW FM/MW
1)
Grid switchable
10-100kHz/9-50kHz
/00 /01/21 /14 /14/17/37
87.5 MHz 87.5 MHz 65.81 MHz 87.5 MHz
108 MHz 108 MHz 108 MHz 108 Mhz 108 MHz
531 kHz 531 kHz 531/530 KHz 74 MHz 530 kHz
1602 kHz 1602/1700 kHz 87.5 MHz 1700 kHz
558 kHz 558 kHz 558/560 kHz 531 kHz 560 kHz
1494 kHz 1494/1500 kHz 1602 kHz 1500 kHz
- - 558 kHz -
153 kHz
279 kHz - - 1494 kHz -
198 kHz - - - -
- - - -
-
- - - - -
- - - - -
- - - - -
table 3
N N
BAND button
pressed?
Y
Display shows the
version of ECO6 tuner
according to table 4.
N STOP button N
pressed?
Y
TUNER VERSION
VERS REGION
01 /00 EUROPE - 3 BAND
/00 EUROPE - 2 BAND
06
10 /01 OVERSEAS
14 /14 EAST EUROPE
17 /17 USA
table 4