Pioneer PL-550 User manual

Deze download wordt u gratis aangeboden door Pick-upnaalden.nl
Web : www.pickupnaalden.com
Email : [email protected]
Facebook : www.facebook.com/pickupnaalden
Twitter : twitter.com/Pickupnaalden
Google+ : https://plus.google.com/+FCaris_pickupnaalden

CDrqoNeerr

PL.5iEicl
lI
I
t
I
I
r
MODELPL-550
COMESINTHREEVERSIONS
DISTINGUISHED
ASFOLLOWS:
This seruice
manual isapplicable to the PL-550/5, ST type. When
repairing the PL-550/HGT type please see the manual on pages
43-48.
Type Voltage Remarks
HGT 22OY and240V (Switchablel SEMKO (Sweden),
NEMKO (Norway),
DEMKO (Denmark) and El (Finland)
approved
model without phono cartridge.
S1
10V,120V,22OVand240V
(Switchablel General
export modelwith phono cartridge
ST 11OV,
120V,22OV
and
240V
(Switchable) Generalexport model without phono cartridge
CONTENTS
1. SPECTFTCAT|ONS.... 4
2. PANELFACILITIES.. . 5
3. PARTS
LOCATIONS
.. .. 7
4. EXPLODED
VIEW 11
5. NOMENCLATURE
OFSCREW,
WASHERSAND
NUT . 16
6. SCHEMATIC
DIAGRAMS,
P.C.
BOARD
PATTERNS
ANDPARTS
LIST
6.1 Schematic
Diagram 17
6.2 DriveControl
Assembly
(PWG-008)
... 19
6.3 PowerSupplyAssembly
(PWR-822) 22
6.4 PositionalDetectorAssembly
(PWX-006) 24
7. PACKING 25
8. OPERATING
PRINCIPLESCIRCUITDESCRIPTION
8.1 BlockDiagram 27
8.2 MotorOperation 29
8.3 Waveforms 36
9. TROUBLESHOOTING
GUIDE
9.1 MotorDoes
NotRotate 37
9.2 MotorRun-away 38
9.3 MotorAlternates
Between
ForwardAnd ReverseRotation 39
9.4 Unstable
Rotation
NearRated
Speed 39
10. ADJUSTMENT
PROCEDURES 40
11. D.D
MOTOREXPLODED
VIEW
..
PL-550
Additional
Service
M'anual Enclosed
Herewith
PL-550X/ST differs from PL-550at the point of cabinet appearance;
it is black cabinet. Except packing case and cabinet all of compo-
nentsaresameas
PL-550.
J

1.SPECIFICATIONS
Motor and Turntable Semiconductors
Motor. ....QuartzPllHall motor lCs... 2
TurntabfePlatter
. .324mmdiam.
aluminum
alloy
die-cast Transistors g
Moment
of Inertia . . . 340kg.cm2 (including
platter
mat) Diodes 11
Speeds . . 33-113
and
45rpm Hall
elements 3
Speed
Control
Range
. . . . . . !6%o
Wow
andFlutter Lessthan
O.O2|yo
(WRMS) Accessories
Signal-to-Noise
Ratio More
than70dB
(D|N-B) 45rpm
Adaptor . . . . . . l
Overhang
gauge . 1
Rotational Characteristics Screwdriver 1
Build-up
Time . . . . . . Within24o"
rotation
at33-1l3rpm Sub
weight l
SpeedDeviation
. . . Lessthan
0.003% Cartridge
mounting
screws
(ST,
HGT
type) . 6
Speedvs.
Load
Characteristics.
. . . Stable up
to 120
grams Cartridge
mountingnuts
(ST,
HGT
type) 2
drag
load Cartridge
mounting
washers
(ST,
HGT
type) 2
SpeedDrift . . Less
than
0.0003%
lh at 33-1
l3rpm Operating
instructions I _
Lessthan
0.00004%/degree
temp.
change
at33-1l3rpm Miscellaneous
Tonearm Power
Requirements
. . . .Ac 110-120-22o-240y
5ol60Hz
Type . Static-balance
type,
S-shaped
pipe
arm Power Consumption . . . 5W
Effective
Arm Length . . . . 221mm Dimensions 490(W)
x 1S5(H)
x 390(D)mm
overhang . .
15.5mm l9-sl16(W)
x7-s116(H)
x ls-3ls(D)in.
UsableCartridgeWeight . 49 (min.)
to 14.59
(max.) Weight ,t2kgl26tb6oz
(For
cartridge
weighs
over9.5g,
attachthe
subweight)
Arm HeightAdjust Range t5mm lfLfri"trr"rs and designsubject to possibre
modification
.. without notice,
dueto improuements.
)uDTUnctlons
Anti-skating
force
control
Lateral
balancer
Stylu
s
pressure
direct-readout
counterweigh
t
Arm height
adjustingdevice
Cueing
device
Headshell
stand
Strobe
light
Free
stop
hinges
Insulator
feet
Furnished Cartridge (S type)
Type.. ...MovingmagnettypePC-550E/ll
Replacementstylus. ...PN-550E/ll
StylusTip ...0.3x0.7mildiamond
Output
Voltage. . . . 3mV (at
1kHz,50mm/s
RMS)
Tracking
Force
. 1.0gto 1.8g
(proper
1.5g)
Frequency
Response 10to 30,000H2

2. PANELFACILITIES
HEADSHELLSTAND
Convenientstandfor storing
a sparecartridge.Aligh
headshell
guidepin with slot
of standandinsert.Avoid
storing
hereif theheadshellistoo largetoallow
thedust
cover
to be closed fully. The45rpmadaptorcanalsobe
placed
here.
45RPMADAPTOR
Place
on centershaftwhen
playing
45 rpmrecords
(with
large
center
hole).
STROBE
LTGHT---- - '--
-.-'-'"',,*
Lightsto illuminate stroboscope
when POWER/ARM
ELEVATIONlever
issetto ON.Thestroboscopeappears
to becomestationary
when the QuartzLOCK button is
set
to ON.
PLATTERMAT COVER ]
ARM REST -,--.- -"^.
- -
,
.
-.,,,
-.-.1
Supportsthetonearm.Gently
press
tonearmin direction
shown
by arrow to clamp.
Be
sure
to clamp whennot
playing
records.

""'Cf**
@-
PL-E'5cl
QUARTZ
LOCKBUTTON
Quartz
PLLsystem functionswhenbutton
isdepressedto
ON. Platter
rotation
becomes
precisely
lockedto the
speedselectedbythe SPEEDbuttons.
SPEEDADJ.CONTROL
Canbe usedto increaseordecreasethespeedwith respect
to theselectedrotation.Set
Quartz
LOCKbuttontoOFF
and
turn thiscontroltowardthe+ directionto increase
speed
(maximum
6%) and towardthe - direction
to
decreasespeed
(maxim
um6ok).
45RPMSPEED
BUTTON
Pressto play 45rpmrecords.
33RPM
SPEEDBUTT'ON
Pressto play 33-1
13
rpmrecords.
POWER/ARM
ELEVATTONLEVER
Combines
power
switchand
tonearmelevationswitch.
OFF..
ON-UP
DOWN
Poweriscutoff.
Power is turned on (platter
rotates).
Whenmovedfrom DOWN to this posi-
tion,thetonearmisraised.
Tonearm
is
gently
lowered.
o

3. PARTS
TOPVIEW
LOCATIONS
Cabinet
PMM-056
Headshell
stand
PNW.O73
PMM-062
(ST
type
ofPL-550X)
Plate
PAN-029

Control
panel
PXT.O98
Knob
(ANTI-SKATE)
PAA.O14
Headshell
assembly
PXA.630

BOTTOM
VIEW
Linevoltage
selector
PSB-001 Power
transformer
PTT,O14
D.D.
motor
PXtV-029

PL-E'5'O
Power
transformer
PTT.O,I4
.a.?
Power
supply
assembly
PWR,822
Drive
controlassembly
PWG.OO8
ii ',,'
tor
I
'*l
,t\* |
Neonlamp
PE
L.OIl

4. EXPLODEDVIEW
PT4x10
Dustcover
PNV-011
Plattermat cover
PEC.033
Rubbercushion
PNT{08
OCM4x10
Platter
PNR.O31 Screw
PBA-033
l'-.- Strobeunit
\- PXT-I74
Plste
(B)
PNB.064
Plate
PAN.O29
?
e -i?
d@
PSA4x10
D.D.motor
PXM-029
See
page
39
Hexagonsocket
screw
M4x25
Neonlamp
PEL.Ol
T
. /Name plate
t-
.
- Bottom plateassombly
PXA.133
PART 1see
page
11
6 Prax1o
Bottom
Plate
PNW-096
." 6..
." Screw Y
PBA-037 A--.-Z^ Scrgt
PBA
4<
I
A
E
le
€@
g
//o\
g
@Screw
PBA.O37

NOTE:
Partindicated
in green
type cannotbesupplied.
AC powercord
PDG-OO4
Hinge
assembly
PXA.171
Strainrelief
E32.056
RM3. PSA3x8
Line
voltage
selector
PSB-001
Plate
PAM.O41
RM3.1x13
Plate
(B)
PNB-064 -ry7 Screw
PB4-034
Plate
(A)
. PNB.063
:'uo,..>< Knob
(ANTI-SKATE)
PAAO14
Control
panel
PXT{g8 Part 3 see
page Plate
PAT.O22
Jr Cabinet
PMM.O66
PMM.062(ST
type
..
ofPL-550X1
Screw
PBA{37
\
\. CW3.1
x
13
I
'-1
\...]
Part
2 see
page
12
PXA-237(S-type)
I
I
.9.
g
@
Part
3s€e
page
13
Screw
PBA.O37 Foot aisembly
PXA-I
15
g
e
PT4x16
Terminal
KKC-021 #
I
Strain
relief
KNK.244
.6
go
PT3x6
PT4xl6

PL-s5Cl
AA
B
cc
DD
4.1PART
1NOTE:
Parts
indicated
in green
type cannotbesupplied.
lk\
$-
l.
-R
U
, P.C.
Boardholder
I
r
821-0OB
P.c.Boardholder +
KNK.186 V
l_
Drive
control
assembly
PWG-008
v
v
)
Powersupplyassembly
PWR-822
Power
transformer
PTT.O14 d
PSA4x6 Fg
U
0
I
J-,Rnuou"..*rtrion
flu eee.oar
\J ,g
I fl *","'"
CJ- rea.ozs
-t--
e
//
616
,,-.2<A>-
Slr';d:";,<

4.2 PART2 NOTE:
Parts
indicated
ingreen
type
cannotbesupplied.
PXA-237 ln assembly
!.
Operation
button
Buttonunit
PAD.OI
1
Knob
(SPEED
ADJ)
PAA.OO9
Spring
PBH.O19
Micros,witch
KSF-023
I
I
l
PSA3x
14
St€el
ball Spring
PBH.O17
Spring PAD-01
3 (without
assemblY)
Push
switch
(Ouarz
Lockl
PSG-001
PBH-018
Variable
resistor
PCS.O03
FW4
ffiw,
l%
Microsi\rr,
itch
KSF-023
EW3
@-ewa
B
c
D
A
B
c
D

PL-55Cl
4.3 PART
3NOTE:
Parts
indicatedingreen
typecannotbesupplied.
Tonearm
assembly
PPD-543
llx";.t"tn'
il,il8!B"'
Screw
PLA.567
Cartridge
mountingscrew
PBA.9O5
Headshellassembly
PXA-630
Weight
assembly
PXA-580
EVassembly
PXA-
165
EVsheetassembly
PXA.O86
Armrest
PNW-170
?
il
dr tt
v:
3x4
Armrest
assembly pT4x16
PXA-164 N4
PT4xl6
.-€,
rA *g'lm'lu,
iffffiTo''
-l l
Washer
822.650
Nut '
PBN,OO4
ASlever
PNW.071
Spring
PBH-023
Plate
1 PXA-088
A
g
N'*'
Lever
PNW-07O
Camunit
PNW.070
g
(9 Washer
EW2
PNB-527
PT4x16
AA
B
c
DD
15

5. NOMENCLATURE
OF SCREW,
WASHERSAND NUT
Thefollowing symbolsstandfor screws,
washers
and nuts asshownin explodedview.
Symbol Dercription Shape
RT Brazierhead tapping screw
PT Panheadtapping screw
BT Eindinghead
tappingscrew $=
CT Countersunk headtapping screw
TT
a
Trussheadtapping screw
ocr Ovalcountersunk headtapping
screw F
PM Panheadmachine screw
CM Countersunk
head
machine
screw f==
ocM Ovalcountersunk head
machinescrew CIE
TM Trussheadmachine screw F
BM Bindinghead
machine
screw
PSA Panheadscrewwith spring
lock washer
PSB Pan
headscrewwith spring
lock washer
and flat washer
PSF Panheadscrewwith flat washer
Symbol D€scription Shape
EW E type washer P
\D l
H
FW Flat washer rd
SW Spring lock washer \v T
NNut oF
TJ
WN Washer faced
nut @m
ITW Internaltoothed lock washer A
v
OTW Outernaltoothed lock washer tA?.
avJ I
I
sc Slottedsetscrew
(Cone
point) e-D
SF Slottedsetscrew
(Flatpoint) eE}
HS Hexagonsocket headless
set
screw @@
ocw Oval countersunk headwood
screw
CW Countersunk headwood screw
RW Round headwood screw
EXAMPLE
Symbol tr
ffi"
TT
I -lengthinmm(/)
I diameter
in
mm
(
d )
FW'90xl'
-rT "-^^-;^^-tar ._'l '
| | I thicknessinmm(r) :-i'
I I diameterinmm
(d ) f- J
| :]
Symbol
16

6.
6.1 SCHEMATIC
DIAGRAMS, P.C. BOARD PATTERNS
AND
SCHEMATIC
DIAGRAM
DRtvE
C0NTRoL
ASSTPWG-oo8
Q,.0,
2Sci3r2
x
2
l5
+$
20v
-l t'#' ON
Sroi
,lvRnrl0r<o(E)
I SPEID
FINE
I-ONTROt
sy6be POI{ER
SUPPLY
Ass'/ PwR-822
l__-__-- 0,,-0, - q-6I1i5V
r::-r 2SC3'l2xz
250234
os
P0l00t
C-6-02/s0
6.33v
i------
#uP
0.2/50
--
:ci :
1a
Y Y q
IJ
Y
t
cr,l-2o0P
Rn39K
I lVRr
6
6
9
E
Rr33 Crs
33/25
---'l Rn
3.3K
(3Yt)

ERNS
AND PARTSLIST
PL-sscl
CAUTION
WhenHandling
lC PDl001, PleaseObserve:
IC PD1001 (Qb in the Drive Control Ass'y PWG-008)
is a C-MOSIC of extremely low power consumption
and very high input impedance.Unlesshandled with
special care, it could be damaged by static electricity
induction. This IC is supplied with ashortingcap(of
aluminum foil) attached. When soldering or perform-
ing other repair work, always attach this cap asshown
below. Removethe capafter the repairhasbeen
com-
pleted.
Also, this type of IC must not be insertedin a poly-
st5lrene
packagefor storage.
_l
I
Miscellaneous
PartsList
:JWITOHES
I
Sror:POWER OFF
-0N
Sror
: SPEE0 SiELECT0R
33rpm
- 45r^prn
Sros:
QUARTZ LOCK OfF
- 0N
RISI
SIORS
;
lN tlHM
Z+Wt5% T0-ERANCE
UNLESS0THERWISE
NOTED
K:KSi,I'1
:MSL
LAPAT]ITt)R5;
IN 1lF UNLE:ISCITHERWISE NOTED
P
:PF
r80 ZUV
0s,
Qr
2SC945x2
RED
lurl
tl
5.r0
\2
5.?2
l3
5.$
I4
?0r
l5
s23
s
s0l
5.r4
l8
s.0t
-rI
N
0s
PA200l'
,J..-- - - -.|
A/
Y\
d,
ii
v\
j
ft
a(
.i
b.
$.
Al
r
1
U^
v(
I
t
u
9(
I
I
L-- ----
4JJ .!23
St1
BRN
PoslTloNAI_
DETECToR
ASST
Pwx
-006
r0Hc+VLT rf8
9G
zS Hc- 8lK l0'r tr4$
,l
o
UPNK ir
)--l
l/ na- l-
I aovl
5Ep* | "o Rnr
ll T:60
#
l0 Lc -
|. oRll
?I tb Rur
J
1'
itr
(
5JS 5 f1g+ Bl il lL
2
4..La YEL !I_
c1
Tr-l
L._d
il
c0 L
Jf1A
+WHTr
22Lr GRN
irll
)3/2s
I I I hr- I
qffi
Rr33 Cu33/25
--lt
-l ll
3nd
cotL
I
-
"aa{30,,-
uO\ ^
1 Drive control assembly
I Positional detector assembly
I Power supply assembly
I Power transformer
I
S10l ] Microswitch
(Power)
I
VR101 | Variable
resistor
5102 Microswitch {Soeed
selector}
5103 Push
switch {Ouartz Lock}
PWG.OOS
PWX-006
PWR.822
PTT.OI4
KSF{23
KSF-023
PSG-OO1
PEL{11
PSB-001
PCS-003
4
18

6.2 DR
IVECONTRO LASSEIVIBLY
(PWG-OO8)
+lt++l
OO60@O JI
clo@r@o<fod
9L/Ln$)
O
z
9I
-J
t)
+
{c,
o <),
;.n
.td
Y
@
3
d
c{
e,
drJ
:4,
oc.
I
6a
.tO-
o
o
oO
do-
c9/ozz,rl
q vlriu 'd
3p
vls6zu
q r'nL1
l-r
o
:_=
a
F
a
F
q
t
i!\
0t/r
t tl
ygs
sr8 gt/azr\)
t'J
-=i =1. ff
"l -13 |
n t+ to tN
r---G--C-{-r
uf0.0
6l cL
dcc
oLl
ycl
rt
19

OuartzLock
ON
I IOFF
Speedselector
zza
PWR.822
0
PWR-8220
SPEED
ADJ.
33 T T45 SDeed
detector
P1,\tR-822
strobe Speed
PD
1001 PWX-006
No.l1
PV\lX-fi)6No.10
PlWx-oOONo.9
PWX-006
No.8
Pl,\lX-oOO
No.7
PWX-006No.6
PWX-0O6
No.S
PA2001
2SC1312
2SC945
t5>rE^
uFe"
hrVX-006
No.4
PwX-006
No.3
PWX-006
No.2
PWX-0O6
No.1
d;