Marantz 74 CD38 - Page 9

FAULT FINDING GUIDE CDM 12.1
Main Fault Finding Guide CDM 12.1
System
Listen to kind of "scratching
sound’ while slowly turning the
disc by hand.
Disc is turning clock wise at
normal speed.
Activity on RAD+
(pin 4 connector 1052)
*After "play" starts at track 1 at time 0:00.
*Go to outer track and start again at time
0:00 after max. 6 seconds.
*Try search function.
*When going from "Pauze" to "play" music
has to restart at the same place.
PCS 60 677
14
Invoke Service
Mode 1
Check focus path
See page 15
Check light path
See page 16
Y
Check
turntable motor
path
See page 17
Disc rotation o.k.?
Y
Check
radial tracking
path
See page 18
Radial
Tracking
Y
"Play" + error codes
Functional o.k.? Functional test
See page 19
Y
CDM / Servo O.K.