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EN 46
5.
SACD 900
5.9.7
Servo Tests
General Start-up Measurements:
Reset the Basic Engine part
Ref. # Command Name
44
BeReset
Check Vref
Name Testpoint
Vref
F188
Check I2S interface
Name
Testpoint
B_BCLK
F347
CL1
F337
B_WCLK
F343
Stopclk
F338
B_Sync
F344
B_V4
F348
PM3394B
ch1
1
CH1 2.00 V~
MTB50.0ns
B_BCLK
PM3394B
ch1
1
CH1 2.00 V~
MTB50.0ns
CL1
Diagnostic Software Descriptions and Troubleshooting
Remark
Reset Basic Engine
Value
2.5V+/-0.3
Value
6.0MHz +/-0.1
12.0MHz +/-0.2
HIGH
HIGH
HIGH
HIGH
ch1+
CL 06532152_040.eps
051200
ch1+
CL 06532152_041.eps
051200
Disc Motor:
Before switching on the disc motor, check the following test
points:
Name
Testpoint
Stby
F357
Stby-out
F355
Moto1
F361
Switch the Discmotor on/off with next commands:
Ref. # Command Name
39a
BeDiscmotorOn
39b
BeDiscmotorOff
Check the following signals when discmotor has been switched
on:
Name
Pin nr.
Stby
F357
Stby-out
F355
Moto1
F361
A3
F350
A2
F352
A1
F353
PM3394B
ch1
1
CH1 5.00 V~
MTB20.0ms
A1-A2-A3
T1
F280
T2
No testpoint present see oscillogram
T3
F371
PM3394B
ch1
1
CH1 2.00 V~
MTB2.00ms
T1-T2-T3
Value
high
LOW
3V0.3
Remark
Discmotor on
Discmotor off
Frequency
low
HIGH
2V0.5V
see
oscillogram
see
oscillogram
see
oscillogram
ch1+
CL 06532152_042.eps
051200
see oscillogram
see oscillogram
ch1+
CL 06532152_043.eps
051200
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