SERVICE MANUAL
60-22
Page
1
UNIVERSAL DUAL
PRICIXG
UlllT, Typc UDPU6
Figute
l.
Uoiversal
DuaI
Pdciog
Uoit,
TyPe UDPU6.
I.
DESCRIPTION
The
Universal Dual
Priciag Uoit,
Type
UDPU6,
is for use
with the Coin-Opeeted
Phonograph
vben selectioos
are
sold for
two basic
prices.
However, the uoit
may
be
used
as a siagle
pric-
iog unit if so desired.
The
firnctioo
of this
unit
is to store credits 6or coios
deposited, caocel
the
credit
as it is used for selections, coniol
the
selection systeo write-in current
pulse,
aad
ro stat the
scaoniog
operatioo
of the aechaoiso.
The unit consists of three
add
soleooids, oae
shift soleooid,
ooe subtract
soleaoid,
two
fuses
(or
one fuse
aod a
circuit brea&er),
aa add
hold
magoet,
a
tioiog relay
aod
6e svitches tbat coo-
rol the various citcuits.
Power for the
uoit is
obtaioed frcm tbe Solid State C.ootrol Ceoter.
2.
OPERATION
a. General
The basic coopooent
of the
priciog
uoit is tbe
spriog
loaded credit ratchet wbeel.
It is a molded
ratchet trith each tooth representiog
a ctedit. Vith
the spriog fully
charged aod the credit tatchet
vheel held
io positioo
by
a detent
lever,
there
is oo ctedit established.
Yheo a coio is deposi-
ted, a soleooid is mooentarily eoergizcd dis-
engagiog the detent
lever
from
the credit wheel
allowiog the
vheel
to rotate.
The auober of
teeth the ratcbet wbeel rotates
is determined
by
ao
add
ara that
eogages
dre ratchet
wheel be-
fore dre deteot
lever is diseogaged.
Wheo a selectioo is
made, a subtract
solenoid is
enetgized
wbich drives rhe credit
tatchet
wheel
back oward
the zero credit
positioo.
3. ADJUSTMENTS
a. Full
Credit
Stop Bracket
Refer to Figure 2. Widr the credit
tatchet s,heel
restiog against the frrll credit stop
bracket,
ad-
iust
thc bracLet
so there
is .003 o .008 ioch
clcataace between the
tip of the deteot lever
and
6e face of tooth nuober
31,
.oo! to .ooa
IXCH GAP
0Erallt
LEVEi
)
'ULL
crcort
l?o
I
tilc:tl
UNIEL
l0llllET
Erot
..r-..-_---.-'
\"'"'--
ctaoti
TI{:CL
Figure 2. FulI Gedit Stop Bractet
Adiustoeot Detail.
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