Philips SACD 1000/001 Service Manual page 47

Diagnostic software, trouble shooting and test instructions
PM3394B
ch1
1
CH1 2.00 V~ MTB 500ns
RA
Check if laser is switched on (visual check of laserlight).
Switch the radial control off.
Sledge
Use the following commands to move the sledge:
Ref. # Command Name
610 BeSledgeIn
611 BeSledgeOut
Check pulse density signal SL at testpoint F221
PM3394B
ch1
1
CH1 2.00 V~ MTB 500ns
SL
Name Testpoint
Sl - F039
Sl + F038
Measure peak to peak signal on SL- and SL+ while moving
sledge outwards.
Name Testpoint
Sl - F039
Sl + F038
Measure input sledge control (sledge in home position)
Name Testpoint
Sinph F182
Cosph F192
Tray:
To open and close the tray use the following commands:
ch1+
CL 06532152_045.eps
051200
Remark
Sledge inwards
Sledge outwards
ch1+
CL 06532152_046.eps
051200
Value
4.5V±0.5V
4.5V±0.5V
Value
10Vptp +/-0.5
10Vptp +/-0.5
Value
1.5V±0.5V
1.5V±0.5V
SACD 1000
Ref. # Command
Name
615 BeTrayIn
616 BeTrayOut
Measure the driver outputs of the BA5938FM for the tray
closed.
Name Testpoint
Vo2 - F116
Vo2 + F111
Measure again the driver outputs while the tray is opening.
Name Testpoint
Vo2 - F116
Vo2 + F111
Measure again the driver outputs while the tray is closing
Name Testpoint
Vo2 - F116
Vo2 + F111
Focus
To switch the Focus motor on/off, use the following
commands:
Ref. # Command Name Remark
604 BeFocusOn
605 BefocusOff
Measure the driver outputs of the BA5938FM for the Focus
off.
Name Testpoint
foc - F124
foc + F127
Switch the focus on
Measure again the driver outputs
Name Testpoint
Foc - (sawtooth) F124
Foc + (sawtooth) F127
PM3394B
ch1
1
CH1 500mV~ MTB 500ms
FOC +
Check for pulse density signal FO at testpoint F234
5. GB 47
Remark
Tray in
Tray out
Value
4.3V±2.0V
4.3V±2.0V
Value
6.0V±1.0V
2.0V±1.0V
Value
2.0V±1.0V
6.0V±1.0V
Focus on
Focus off
Value
4.3V±0.5V
4.3V±0.5V
Value
1V±0.2V
1V±0.2V
ch1+
CL 06532152_047.eps
051200