Philips SACD 1000/001 Service Manual page 46

GB 46 5. SACD 1000
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
606 BeDiscmotorOn
607 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
Diagnostic software, trouble shooting and test instructions
Value
high
LOW
3V±0.3
Remark
Discmotor on
Discmotor off
Frequency
low
HIGH
2V±0.5V
see oscillo-
gram
see oscillo-
gram
see oscillo-
gram
ch1+
CL 06532152_042.eps
051200
see oscillogram
see oscillogram
PM3394B
ch1
1
CH1 2.00 V~ MTB2.00ms
T1-T2-T3
VH F365
H1+ F354
H1- F359
H2+ F364
H2- F366
H3+ F367
H3- F370
PM3394B
ch1
1
CH1 200mV~ MTB2.00ms
H1-H2-H3
Switch the discmotor off.
Radial
Swith the radial control on/off with the following commands:
Ref. # Command Name Remark
608 BeRadialOn
609 BeRadialOff
Check the following signals:
Check for pulse density signal RA at testpoint F227
Name Testpoint
Rad - F128
Rad + F121
ch1+
CL 06532152_043.eps
051200
3V±0.5V
see oscillogram
see oscillogram
see oscillogram
see oscillogram
see oscillogram
see oscillogram
ch1+
CL 06532152_044.eps
051200
Radial control on
Radial control off
Value
4.3V±0.5V
4.3V±0.5V