Philips SD-5.31SL Service Manual page 16

EN 16 5. SD-5.31SL
PM3380B
ch1
1
CH1 500mV= MTB 20.0us
Figure 5-20 G_Y with video out at YUV
PM3380B
ch1
1
CH1 500mV= MTB 20.0us
Figure 5-21 R_V with video out at YUV
PM3380B
ch1
1
CH1 500mV= MTB 20.0us
Figure 5-22 B_U with video out at YUV
Test Instructions Mono Board SD5.31SL
5.6
5.6.1
ch1+
CL 36532043_063.eps
030603
5.6.2
ch1+
CL 36532043_071.eps
030603
ch1+
CL 36532043_051.eps
030603
Servo
General Start-up Measurements:
Reset the Basic Engine part
Table 5-13 Reset basic engine command
Ref. # Command Name
44 BeReset
Check the Servo Reset (IDERST) waveform at pin 50 / IC7200
goes from high to low after executing BeReset commands.
PM3380B
ch1
T
1
CH1 1.00V= MTB 10.0us
Figure 5-23 IDERST
Spindle Motor check:
The tracking control circuit is checked using the following
commands:
Table 5-14 Spindle check commands
Ref. # Command Name
39a BeDiscmotorOn
39b BeDiscmotorOff
Check the following signals with the discmotor switched ON
with the loader connected and with DVD Disc inserted.
Remark
Reset the Basic Engine
4.96dv ch1+
CL 36532043_065.eps
030603
Remark
Discmotor on
Discmotor off