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4-2
4-2
SERVICE TEST PROGRAM
* STOP button pressed in any step returns to begin of Service Testprogram. * To leave Service Testprogram switch mode switch to off-position. * Door switch is ignored � CD door can be opened. * Volume up/down buttons function independentely of the service testprogram.
To enter CD Service Testprogramm hold
CD TEST
TUNER TEST
To enter Service Testprogramm hold
BAND & MODE buttons depressed while switching CD mode on.
BAND & MODE buttons depressed while switching TUNER mode on.
Display shows version number of the µ P - software.
DISPLAY TEST
EP2PROM CLEAR
S-19
Slide servo, Radial servo, Focus servo, Disc motor and Laser are switched off. Mute is switched on via decoder IC.
Display shows version number of the µ P - software.
S-19
CD SERVO TEST
N
BAND button pressed?
Y
N
PREV button pressed?
Y
N
PLAY button pressed?
Y
SERVICE PLAY TEST
PLAY button pressed?
Y
N
Display shows all segments and flags. see figure 1
Display shows
Display shows
PASS
E2prom clear
P-01
SLIDE MOTOR test DISC MOTOR test
PROG button pressed?
The Service Play Mode is intended to detect and identify the failures in the CD Mode. In this mode the electronics will still function even when an error is detected so that repair activities can be carried out.
Ser. preset frequencies acc. table 2 are copied to the RAM. Tuner is normal working
N
BAND button pressed?
Y
N
STOP button pressed?
Y
N
PLAY button pressed?
Y
NEXT button pressed?
Y
N
PREV. button pressed?
Y
N
VOL-DN button pressed?
Y Disc motor turns counter clockwise as long as button is held depressed. (brake)
N
VOL-UP button pressed?
Y Disc motor turns clockwise as long as button is held depressed. (accelerate)
N
STOP button pressed?
Y
N
FOCUS search
Display shows Display shows part segments and flags. see figure 2
F-02
objective moves up&down disc motor for 160ms "on"
Slide moves outside as long as button is held depressed.
Slide moves inside as long as button is held depressed.
Set is in Service PLAY Mode. In case of failures, error codes according to table 1 will be displayed.
FOCUS found? N
N
STOP button pressed?
Y
Y Display shows
SERVICE PRESET FREQUENCIES
EUROPE EUROPE2 B FM/MW
1)
OVERSEAS FM/MW
Grid switchable 10-100kHz/9-50kHz
EAST-EUROPE FM/MW
USA FM/MW
FM
Display shows part segments and flags. see figure 3 disc motor turns.
REGION
FM/MW/LW
PRESET 1
STOP button pressed?
Y N
/00/05/20/25
/00
/01/21
/14
/14/17/37
87.5 MHz 108 MHz 531 kHz 1602 kHz 558 kHz 1494 kHz 153 kHz 279 kHz 198 kHz -
87.5 MHz 108 MHz 531 kHz 1602 kHz 558 kHz 1494 kHz -
87.5 MHz 108 MHz 531/530 KHz 1602/1700 kHz 558/560 kHz 1494/1500 kHz -
65.81 MHz 108 Mhz 74 MHz 87.5 MHz 531 kHz 1602 kHz 558 kHz 1494 kHz -
87.5 MHz 108 MHz 530 kHz 1700 kHz 560 kHz 1500 kHz -
2 3 4 5 6 7
N
STOP button pressed?
Y
CD ERROR CODES
Error code
Err 1 Err 2 No Focus found. Time out error for disc motor reach the normal speed. Focus error during tracking initialization. Subcode error on play mode. Focus error on play mode. Radial error on search mode. Focus error
8 9 10 11 12 13
Error description
SHUFFLE PROG REPEAT ALL DBB FM AM MW LW
FIGURE 1
Err 3 Err 4 Err 5 Err 6 Err 7
table 2
1) How to set f req uency grid: AM - 9 k Hz / FM - 50 k Hz : Hold BAND KEY with the CD PREV. KEY simultaneously and then switch to TUNER.
PROG ALL FM MW
FIGURE 2
SHUFFLE
DBB
REPEAT AM LW
AM - 10 k Hz / FM - 100 k Hz :Hold BAND KEY with the CD NEXT KEY simultaneously and then swutch to TUNER.
table 1
Selected frequency grid is stored in the EEPROM.
FIGURE 3
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