Marantz 74 CD38/o1B - Fault Finding Guide CDM 12.1; Focus Check Path; Light Path Check; Turntable Motor Path

FAULT
FINDING GUIDE CDM
12.1
Main Fault
Finding Guide CDM 12.1
System
14
Listen
to
kind of
"scratching
sound"
whiie siowiy turning
the
disc
by
hand.
Disc
is
turning
ciock wise at
normai 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.
Check
focus
path
See page
15
Check
light path
See
page
16
Check
turntable
motor
path
See page
17
Check
radial
tracking
path
See page
18
Functional
test
See
page 19
PCS
60
677