Wurlitzer One More Time Vinyl, Operating Instructions Manual

Page: 24 / 42

Repetitive play of records, selected or non-selected ones
OMT VINYL – edition: 13.08.2007
22
18.5 Repetitive play of records, selected or non-selected ones
18.6 Failures of the record changer after properly completed selection
Symptom Cause Possible faults
!
Repetitive play of one record
with the record carrier not
making a rotation between
plays. This continues even if
’BLUE’ plug is disconnected at
the S&CC.
!
Main cam motor not stopping
at the end of the play cycle
!
Braking resistor R10 (47ohms) at motor
MM open
!
Wiper switch K6 maladjusted
!
Repetitive play of one record,
discontinued after plug ’BLUE’
is pulled at the S&CC
!
S&CC running out of program
!
S&CC out of program routine, possibly
caused by an interference pulse (cut
power to the S&CC for a restart of
program)
!
S&CC defective
!
Gripper moves a record
continuously (without having
the record actually played)
!
Motor MM has a permanent
ground return
!
Line blue to pole 2 of plug ’BLUE’
shorted to ground
!
Wiper K6 shorted to ground
!
S&CC defective (Relay 2-M-
permanently on, pull plug ’BLUE’ to test
this. Try service program, button 7 and
observe relay 2 through hole M)
Symptom Cause Possible faults
!
Record carrier continuously
rotating, even after plug
’BLUE’ is pulled.
!
If a selection is made the
carrier will be jammed when
the gripper arm tries to grip a
record
!
Stop pawl arm permanently
open
!
Carrier latch or its solenoid jammed
!
Record carrier continuously
rotating
!
If a selection is made the
record played is one placed
about 10 compartments
behind the selected one
!
Stop pawl arm solenoid
permanently switched on
!
Grey line from M3 to pole 4 of plug
’BLUE’ shorted to ground (= fault does
persist if plug ’BLUE’ is pulled)
!
Relay 4 of the S&CC jammed or
permanently switched on (= carrier
stops as soon as plug ’BLUE’ is pulled)
!
Carrier does not start after a
properly completed selection
!
Stop pawl arm does not open
!
Stop pawl arm not activated
!
DC supply -30v missing (fuse F2 or F3)
!
Coil of latch solenoid M3 open
!
Grey line from M3 to pole 4 or green
line to pole 1 (relays common), plug
’BLUE’ interrupted
!
S&CC defective. Go to service program,
key 8, to check relay 2 -M3-. Test
machine with a programming jumper
from pole 1 (green) to pole 4 (grey)
(refer to
chapter 18.9.12, on page 27 )