Philips AZ-2030, Руководство по обслуживанию

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CD SERVICE TEST PROGRAM
4-2 4-2
PCS 107 280
STOP button pressed in any step returns
to begin of Service Testprogram.
NEXT button
pressed?
NEXT button
pressed?
N
Y Y
Display shows all
segments and flags.
see figure 1
NEXt button
pressed?
N
Y
Y
Display shows all
segments and flags.
see figure 2
DISPLAY TEST
CD SERVO TEST
Display shows
version number
of the µP - software.
PLAY button
pressed?
Display shows
PLAY button
pressed?
NEXT button
pressed?
PREV. button
pressed?
PROG. button
pressed?
MODE button
pressed?
Slide moves
outside as long as
button is held
depressed.
Slide moves
inside as long as
button is held
depressed.
Y Y Y Y Y
N N N N N
FOCUS found?
Y
N
Display shows
objective moves up&down
disc motor for 160ms "on"
STOP button
pressed?
Y
N
Display shows
disc motor turns.
FOCUS search
SLIDE test DISC MOTOR test
To enter Service
Testprogramm hold
PLAY & MODE buttons
depressed while switching
CD mode on.
fig. 1
*
*
*
To leave Service Testprogram switch mode switch
to off-position.
Door switch is ignored
Æ
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.
* Volume up/down buttons function independentely
of the service testprogram.
N N NEXT button
pressed?
STOP button
pressed?
N
Y
Y
Display shows all
segments and flags.
see figure 1
DISPLAY TEST
Display shows
version number
of the µP - software.
To enter Service
Testprogramm hold
PLAY & MODE buttons
depressed while switching
TUNER mode on.
N
Y
table 1
N PROG button
(Tuner)
pressed?
Service preset frequencies
acc. table 1 are copied
to the RAM.
Tuner is normal working
except the PROGRAM key.
STOP button
pressed?
N
Y
TUNER TEST
SERVICE PRESET FREQUENCIES
1)
How to set frequency grid:
AM - 9 kHz / FM - 50 kHz : Hold MODE KEY with the TUNING UP KEY simultaneously and then switch to TUNER.
AM - 10 kHz / FM - 100 kHz : Hold MODE KEY with the PROGRAM KEY simultaneously and then swutch to TUNER.
Selected frequency grid is stored in the EEPROM.
CD TEST TUNER TEST
Disc motor turns
clockwise
as long as button
is held depressed.
(accelerate)
Disc motor turns
counter clockwise
as long as button
is held depressed.
(brake)
FOC-2
1
19
PREV button
pressed?
Y
N
Display shows
EP19
E2prom clear
STOP button
pressed?
N
Y
EP2PROM CLEAR
FOC 2
REGION
EUROPE EUROPE2B OVERSEAS EAST-EUROPE USA
FM/MW/LW FM/MW FM/MW FM/MW FM/MW
1)
Grid switchable
10-100kHz/9-50kHz
PRESET
/00/05/20/25 /00 /01/21 /14 /14/17/37
1 87.5 MHz 87.5 MHz 87.5 MHz 65.81 MHz 87.5 MHz
2 108 MHz 108 MHz 108 MHz 108 Mhz 108 MHz
3 531 kHz 531 kHz 531/530 KHz 74 MHz 530 kHz
4 1602 kHz 1602 kHz 1602/1700 kHz 87.5 MHz 1700 kHz
5 558 kHz 558 kHz 558/560 kHz 531 kHz 560 kHz
6 1494 kHz 1494 kHz 1494/1500 kHz 1602 kHz 1500 kHz
7 153 kHz - - 558 kHz -
8 279 kHz - - 1494 kHz -
9 198 kHz - - - -
10 - - - - -
11 - - - - -
12 - - - - -
13 - - - - -
19
STOP button
pressed?
N
Y
Display shows all
segments and flags.
see figure 3
fig. 2
fig. 3
PROGRAM SHUFFLE STEREO REPEAT ALL
FM LW AM MW