Philips CD163 - Page 17

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