Philips CD911 - Page 17

Turntable motor
path
Discmotor
running?
1)-Still in focus (focus 0.k.?).
Voltage at pin 9 of connector 1052 > 15mvV.
2)-HF-signal present.
VHFI (R3048) > 900mV pp. (testpoint 65).
3)-Check HF-amplifier.
* Sypply 5V?
Turntable
*
Testpoint
17=1.4...1.9V
DC?
and disc free?
Connections
CDM o.k.?
* VHFI DC =2.9...3.6V?
4)-V motor o.k.?
V motor < 2V: replace CDM.
Check
:
N
paid
Repair
V
motor
>
2V:
check
decoder
part.
path
Y
HF
signal
N
Mechanical
present?
obstruction?
Y
Check HF
amplifier
Replace by
old CDM
Y
Check Replace :
PCS 60 680