Pioneer PL-560 User manual

Service
PALEY INTEN
CIRCUIT & MECHANISM
DESCRIPTIONS
ORDER
NO
REPAIR
&
ADJUSTMENTS
re
ARP-767-0
STEREO
TURNTABLE
L-SG6O(BK)
PL-560
@ PL-560[BK] is Black versions of PL-560
@
Models
PL-560
come
in
four
versions
distinguished
as
follows:
Applicable model
Power equivement Destination
AC 120V only U.S.A. model
AC 110V ~ 120V, AC 220V ~ 240V
(Switchable) General export model
AC 220V ~ 240V European continent model
AC 220V ~ 240V United Kingdom model
@ This service manual is applicable to the PL-560/KU, R, WEM, WB types.
© Both models PL-560 [BK] and PL-560 have the same basic mechanism and performance. The only
difference is in appearance.
@ For servicing the PL-560/R, WEM, WB types. Please see page 25 ~ 28.
@ Ce manuel d’instruction se refére au mode de réglage, en francais.
@ Este manual de servicio trata del método de ajuste escrito en espajfiol.
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS [USA] INC. P.O. Box 1760, Long Beach, California S0801 U.S.A.
TEL: (BOO) 421-1404, (B00) 237-0424
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaen 1, 2740 Beveren, Belgium TEL: [phone]:08
PIONEER ELECTRONICS AUSTRALIA PTY.LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia
TEL: (O03) 580-9911
FA © FEB. 1985 Printed in Japan

PL-560
CONTENTS
1. SPECIFIGATIONS 4.65 6 enw eee a ewes ew eee 2
2; PANEL, FACILITIES s25 600026 e8ee e039 e458 3
3. PARTS LOGATION 32: s2e5s¢ee20 0294 o 4
A. DISASSEMBLY ace ee ee me ee 5
5: EXPLODED: VIEW snc ce wien os Gide ee boo 7
6. ELECTRICAL PARTS LIST fe.s cen n cca sis 13
7. P.C. BOARDS CONNECTION DIAGRAM .... 14
8. SCHEMATIC DIAGRAM ................ 15
1. SPECIFICATIONS
Motor and Turntable
DEIVE SWStO RA sistas wcrcracrsninwcctarwiereemnieninsnsoued samaaasiiens Belt-drive
MO tor scccveniad seawsananin sanshaxaeanansin waenead tenaba DC servo motor
Turntable Platter ....... 304 mm diam. aluminum alloy die-cast
SPECS: sn Sarauasadsaccanmmbocesass vedas teammates 33-1/3 and 45 rpm
Wow and Flutter ..............eceeeeees Less than 0.05% (WRMS)
+ 0.07% WTD Peak (DIN)
Signal-to-Noise-Ratio ............... More than 68 dB (DIN-B)
(with Pioneer cartridge model PC-290T)
Tonearm
TY DG s asnasenected ivneteinenacnnsenvea cede Integrated straight tonearm
Effective Arm Length .....cccssssssesecssssrseeeesseeeeees 221 mm
MY DG) sis svtiae eeceannsens Meeanaaas tudes mssmeae ated aes aacuieed nee IM type
SHVUS) cssies magna cimaimcunasanresiemes 0.6 mil diamond (PN-290T)
OUTPUT VOIAGE: iciscncaccionicnoaninantannbimaaniemeiamaatenasam en aeis 2.5mV
(1 kHz, 5 cm/s LAT. Peak)
TraCking FOre) . csicscsswssnsciisimnnienin 1.0 g to 1.5 g (proper 1.25 g)
Frequency Response saves scsisnsevssaencessacecacnss 10 to 30,000 Hz
RECOMMENAGEE.LOAP) serie ssiinewssie saictonicennie cteoaendceeereions 50 kQ
WCIGHE: snaticicunssiaonsitasaeatimecsimameaanesameneaeieceiamensmemedte 6g
Subfunctions
Auto lead-in, auto return, auto cut, arm elevation, manual play
quick play, free stop hinges.
9. PACKING <2s3ianea0e eae Pedas oe wade rn 16
10: ADIGISTMENMS: a6 a s03. 6 4odie eaaraccg! es bewrare ahaa 16
REGLAGE 4.6440 440c000 Gene beeaea bn 18
AJUSTE. 2: scbadenes seeeedeecne beau 5 19
11. PRECAUTIONS FOR REASSEMBLY ....... 21
12. FOR WEM, WB AND R TYPES .......... 25
13. SAEFTY INFORMATION ............... 29
Miscellaneous
Power Requirements
WEM, WB models? siccvscssevsucsidssavexauss AC 220 V — 240 Vv
50, 60 Hz
WOE esacensesuedetscossnadenwicesantenenceeeteas AC 120 V, 60 Hz
RimOdel ssisaveessvedages cess: 110 V — 120 V/220 V—240 V
(switchable), 50/60 Hz
Power Consumption
WEM, WB models ........cccccccecsessseeeeeeeseceeterscneseeenenees 2W
KWiMOGEl: sctscsrausaincdvenscatyunccieedeisecoestsssardavevacteaunsed 2W
RUM OGE| a deoveveces cousin caasseaaverstanred/cxteceoneentamaguee? 2W
Dimensions .............00008 420 (W) x 108 (H) x 374 (D) mm
16-1/2 (W) x 4-1/4 (H) x 14-3/4 (D) in.
WIIG atcscciczccietscrescigareinareilevracanina earnalneersrtetcaaretataat 3.9 kg/8 Ib 10 oz
Accessories
EPAGapten sscccssrcccasar cistexasanmamavananvercaesiniaaiandascemenadecaine oa 1
Operating INStHU CONS is iesiisisssccadiansian cocmensinsaaasrnanrdicmanieaaiins 1
NOTE:
Specifications and design subject to possible modification without
notice, due to improvements.

2. PANEL FACILITIES
@) SPEED switch
Set this switch in accordance with the speed of the record
which is to be played.
[33]: For 33-1/3 rpm records.
[45]: For 45 rpm records.
@ ARM ELEVATION switch
e Use the switch for manual play.
e Use the switch to suspend record play temporarily.
e Use the switch when changing the tracks during actual
play.
[UP]: The tonearm rises (the stylus moves away from the
record).
[DOWN]: The tonearm descends (the stylus is lowered
onto the record).
PL-560
@ SIZE switch
Set this switch in accordance with the size of the record
which is to be played.
[17] (depressed position): For 17 cm EPs
[30] (released position): For 30 cm LPs
@ START/STOP switch
Depress this switch when starting auto play or when stop-
ping play.
©) CARTRIDGE (PC-290T)
NOTE:
A cartridge is not provided with the KUT and KCT models, so
your own cartridge should be mounted, following the instruc-
tions laid down in CARTRIDGE MOUNTING.
@© TONEARM
@ ARM REST
This serves to hold and clamp the tonearm. When moving
the tonearm, release the clamp.
PLATTER
@® RUBBER MAT
PLATTER SHAFT
@ EP ADAPTER
This is used when playing records with a large center hole.
@ CABINET
@ DUST COVER

PL-560
3. PARTS LOCATION
NOTES:
e The A mark found on some component paris indicates the importance of the
safety factor of the part. Therefore, when replacing, be sure to use parts of identical
designation.
e For your Parts Stock Control, the fast moving items are indicated with the
marks ** and *
** GENERALLY MOVES FASTER THAN *
This classification shall be adjusted by each distributor because it depends on model
number, temperature, humidity, etc.
Front View
Turntable sheet assembly 5
PEA-073
Turntable platter
PNR-222
SP button
PAC-228
E-V button
PAC-229
Rear View
PU cord assembly
PXB-345
Dust cover
PNV-060
%* Tonearm assembly
PPD-682
Cartridge assembly
Panel
PNY-337 (Black)
PNY-338 (Silver)
S/S button
PAC-227
Hing assembly
PXB-378
A\ Power cord
PDG-023

Bottom View
Cam assembly
PYY-164
A\ Power supply assembly
PWR-080
PU Cord assembly
PXB-345
Sub-panel assembly
%& *& Motor assembly
PY Y-163
%& & Start lever unit
PXV-036
%& & Slide switch
PSH-013
E-V angle
PNC-361
@® Mechanism Assembly and Motor ® Tone Arm
1. Turn on the turntable and free the mechanism. 1. Remove the mechanism assembly from the
. Fasten the tone arm to the arm rest. panel.
. Remove the rubber sheet and turntable. . Using a soldering iron, disconnect the PU lead
. Close the player hood and turn the player up- wires (arm lead wires) from the PU P.C. board.
side down and place it on a soft cloth so that . Remove the PU plate assembly AS spring.
the player hood is not damaged. . Remove the one screw © _ , and remove the
5. Remove the eleven screws (@ , and remove PU plate assembly from the tone arm.
the under base. . Remove the R clip.
6. Remove five screws @ and two screw © . .Turn the player onto its side, remove the
7. Disconnect connectors © . arm reset clamp, and remove the tone arm
The mechanism assembly can be removed from from the panel.
the panel.
8. Remove the two screws @ , and remove the
motor.
® CoD
He © bo
& or
® Power Supply Assembly
Remove the twoscrews © .
See pages 21 to 24 for the parts installation
and assembly precautions.
or
PL-560
Dust cover
Power supply
Turntable sheet assembly
assembly
Turntable platter
aa pu cord
assembly
PU plate
assembly

=) a1 18)
Kent
5. EXPLODED VIEW
5.1 EXTERIOR

Parts List
NOTES:
e Parts without part number cannot be supplied.
e The /\ mark found on some component parts indicates the importance of the
safety factor of the part. Therefore, when replacing, be sure to use paris of identical
designation.
e For your Parts Stock Control, the fast moving items are indicated with the
marks ** and x .
%** GENERALLY MOVES FASTER THAN x
This classification shall be adjusted by each distributor because it depends on model
number, temperature, humidity, etc.
Mark No. Part No. Description Mark No. Part No.
*® 1. PPD-682 Tonearm assembly 35. PNX-292
A 2. PWR-080 Power supply assembly w* 36. PSG-047
3. PNY-337 Panel (Black) 37. PNC-360
PNY-338 Panel (Silver) 38. PNC-361
4. PAM-145 Screen (F) 39. PNC-362
5. PAC-227 S/S button 40. IPC30P100FMC
6. PAC-228 SP button A 41. PDG-023
7. PAC-229 E-V button 42. PXB-345
8. PAN-066 AS bord 43. PXV-961
9. PAM-151 BF screen 44. PNX-981
10. PEB-114 Rubber bush 45. PSZ30PO60FMC
11. BPZ26P120FZK Screw (2.6 x 12) 46. PEB-251
12. IPC30P290FMC Screw (3 x 29) 47. PNV-060
13. PNR-222 Turntable platter 48. PNC-363
kk 14. PEB-296 Belt * 49. PXB-378
(PEB-224)
50. N93-603
15. PEA-073 Turntable sheet assembly 51. IPC30P100FMC
16. PEB-172 Transformer base rubber
17. PBA-112 Screw 101.
kk 18. PYY-163 Motor assembly 102.
19. PBA-170 Screw 103.
104.
20. PBK-059 R clip 105.
w& 21. PXB-396 Arm rest assembly
22. PXB-374 Elevation sheet assembly 106.
23. PBH-293 E:V spring 107.
24. PBF-020 Polyslider washer 108.
109.
25. PBH-425 AS spring 110.
26. PNY-335 Elevation cam
27. PBH-238 Elevation cam spring 111.
28. PXT-462 EV bord spring unit (B) 112.
29. PPZ30PO80FMC Screw (3 x 8) 113.
114,
30. PXB-323 PU plate assembly 115.
31. PBH-419 S/S rod
32. PBH-339 Power lever spring
33. PNY-336 Size lever
34. PBH-368 S/S rod spring
Description
Switch lever (B)
Push switch
EV lever
EV angle
Button spring
Screw (3 x 10)
Power cord
PU cord assembly
Cartridge (without stylus)
Stylus cover
Screw (3 x 6)
Insulator
Dust cover
Fixer
Hinge assembly
45 adaptor
Screw (3 x 10)
Lead wire assembly
Sub-panel assembly
Washer
PU plate spring
PU spring washer
Washer
Washer
Screw
Ground lead unit
Shield plate
Rubber foot
Bottom plate
Switch board assembly
Connector assembly
5.2
TONE ARM ASSEMBLY
Parts List of Tone Arm Assembly (PPD-682)
Mark
OU ON
$0::00. SS >
No.
Part No.
PXB-623
PLA-580
PLB-718
PLB-727
PXB-624
PDF-514
PBA-170
PXV-961
PNX-981
Description
Pipe holder assembly
Pivot
Pivot lock nut
Pivot screw
Inside holder assembly
Ground lug unit
Screw
Cartridge (without stylus)
Stylus cover
PL-560
4)

PL-560
1 2 3
5.3 MECHANISM SECTION (SUB-PANEL ASSEMBLY)
NOTES:
e Paris without part number cannot be supplied.
e The /\ mark found on some component paris indicates the importance of the
safety factor of the part. Therefore, when replacing, be sure to use parts of identical
designation.
A e For your Parts Stock Control, the fast moving items are indicated with the
marks ** and *& .
**x GENERALLY MOVES FASTER THAN *
This classification shall be adjusted by each distributor because it depends on model
number, temperature, humidity, etc.
Parts List of Mechanism Section (Sub-Pane!l Assembly)
Mark No. Part No. Description Mark No. _ Part No. Description
a —— 88 SSS SS ee
1 PNX-028 Reset plate 16. PBH-224 Start plate spring
2. PNY-140 Selector 17. PBK-038 Click board spring
3. PBH-394 Reset plate spring 18. PMZ26P100FMC Screw (2.6 x 8)
we 4 PNX-030 Switch lever *k* 19. PXV-036 Start lever unit
keke 5 PNY-141 Switch locker A, &*® 20. PSF-023 Microswitch (POWER)
kk 6 PXT-446 Detector lever unit 21. PXB-443 Shaft assembly
7. PNY-138 Index cam 22. PDZ30PO80FMC Screw (3 x 8)
R B 8. PBK-039 Spring washer 23. PBA-126 Screw (2.6 x 8)
xk 9 PXV-060 Select lever unit
10 PBH-393 Select lever spring 51, Sub-Panel unit
52. Lead wire assembly
11. PYY-164 Cam assembly
12. PNY-139 Lock plate
13. PBH-392 Lock plate spring
14. PBH-018 Polyslider washer
15. PXB-376 Drive board assembly
Persons Pe sae)
14
1
2
3
Ve

PL-560
6. ELECTRICAL PARTS LIST
NOTES:
e When ordering resistors, first convert resistance values into code form as shown in
the following examples.
Ex. 1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm
and 47k ohm (tolerance is shown by J=5%, and K=10%).
5602 56 x 10: S61 oss 2% RD%PS BAM J
47kQ 47 x 10° i fs RD“PS AME J
0.52 ORD cisdesaedee esha ae RN2H K
12 ODO: sans cat aches ser anibrtn ay Step 688 RsiP OO K
Ex. 2 When there are 3 effective digits (such as in high precision metal film
resistors).
5.62kQ 562 x 10' 5621 .... RN%SR BEAD F
e The A mark found on some component parts indicates the importance of the
safety factor of the part. Therefore, when replacing, be sure to use parts of
identical designation.
e For your Parts Stock Control, the fast moving items are indicated with the
marks ** and & .
*%* GENERALLY MOVES FASTER THAN *
This classification shall be adjusted by each distributor because it depends on
model number, temperature, humidity, etc.
MISCELLANEOUS PARTS
P.c. BOARD ASSEMBLY Power Supply Assembly (PWR-080)
Mark Symbol & Description Part No. Mark Symbol & Description Part No.
Power supply assembly PWR-080 * D1 DSA1A1
Switch board assembly NO supply
A ® Power transformer PTT-167
(AC 120V)
C2 CEA221M25L
OTHERS ci CKDYF103Z50
Mark Symbol & Description Part No.
kk Motor assembly PYY-163 Switch board assembly
wk* Si Microswitch (POWER) PSF-023 _
A Powarcord PDG-023 Mark Symbol & Description Part No.
Pipieoed aseorinly PXB-345 kk §2 Push switch (SPEED) PSH-013
13

=
2
1s
7. P.C. BOARDS CONNECTION DIAGRAM
A
POWER
SUPPLY
ASSEMBLY
(PWR
-
O80)
POWER
TRANSFOMER
PTT -167
POWER CORD
PDG - 023
AC 120V
6OHz
: DSAIA1
RED RED
Sf
MICRO SWITCH
PSF -023
MOTOR ASSEMBLY
(PYY— 163)
RED
Vee
ae)
OR,
C)
1
©
!' {|
GRY
©)
ot !
¥EL
*
a
VR1:
SPEED
ADJ
45rpm
1 VR2: SPEED ADJ 33 1/3rpm
ee
D SPEED SWITCH
GSH -015 BOARD ASSEMBLY
o e238
o eo
45 33 1/3

1 2
8. SCHEMATIC DIAGRAM
AC 120V
60Hz
A POWER CORD
PDG-023
POWER SUPPLY
es ASSEMBLY
(PWR -O80)
‘ieaaaianain damit
i}
L:
i}
B :
;
i)
\
'
----O -- --(¢----6--- -J
POWER a Se
TRANSFORMER
PTT -167
eee]
SW]
RED
9
D1
13.5 /
D1:DSAIAt
MOTOR ASSEMBLY
(PY Y-163)
VR1 SPEED ADJ. 45rpm
VR2:SPEED ADJ. 33 1/3 rpm
=
3 PL-560
. RESISTORS:
Indicated in 2, %W, “eW,+5% tolerance unless otherwise noted k : k{2,
M : MQ, (F) : £1%, (G) : +2%, (K) : + 10% (M); +20% tolerance
CAPACITORS:
Indicated in capacity (uF)/voltage (V) unless otherwise noted p : pF
Indication without voltage is 50V except electrolytic capacitor.
VOLTAGE
S] : OC voltage (V) at no input signal
. OTHERS:
=> : Signal route.
@ : Adjusting point.
The mark found on some component parts indicates the im-
portance of the safety factor of the part. Therefore, when replacing,
be sure to use parts of identical designation.
This is the basic schematic diagram, but the actual circuit may vary
due to improvements in design.
SWITCHES:
S1 : POWER ON — OFF
$2: SPEED 33V3rpm — 45rpm
The underlined indicates the switch position.
Si
MICRO SWITCH
PSF-023 (POWER)
YE
SWITCH BOARD ASSEMBLY
OS 2
S2:SPEED , ¢ 1
PSH-013
a

PL-560
9. PACKING
Parts List
Mark No. Part No.
N93-603
PRB-281
PHA-175
PHA-176
PHH-221
PHH-242
PNY-198
PBA-178
PEA-073
PNV-060
oF ON
6.
7.
8.
9.
16
Description
45 adaptor
Opreating instructions (English)
Protector (L)
Protector (R)
Packing case (Black)
Packing case (Silver)
Packing
Screw
Turntable sheet assembly
Dust cover
10. ADJUSTMENTS
10.1 AUTO-RETURN ADJUSTMENT
® Auto-Return Position Adjustment
When auto-return occurs too early or too late,
make the following adjustments.
1. Check the stylus landing position. If the stylus
does not land at the correct position, adjust the
landing position.
2. Set the arm elevation switch to UP and turn
the auto-return adjustment screw fully counter-
clockwise.
38.Move the tone arm as far as it will go
toward the inside.
4. When the auto-return adjustment screws is
turned slowly clockwise, the tone arm will
begin to move toward the inside.
5. Stop turning the adjustment screw at the point
at which there is a space of 32mm between
the cartridge stylus and the center shaft. (Fig.
10-1)
6. After adjustment, check is auto-return is per-
formed correctly and that the stylus landing
position is correct.
10.2 MECHANISM ADJUSTMENT
@ Stylus Landing Position Adjustment
When the tone arm doesn’t land in the correct
position during automatic playback, adjust
according to the following procedure.
1. Place a 30cm record on the platter.
2. Press the START/STOP switch and start auto-
matic playback. Note the direction and amount
if the landing point is off. (How many mm to
the inside or outside from the record grooves.)
3. Depress the START/STOP switch to return the
tone arm to its rest.
4. Press the arm elevation switch to raise the
stylus.
5. Move the tone arm to the outside edge of the
record by hand.
6. Turn the adjustment screw with a small screw-
driver according to the direction and amount
checked at item 2 as follows:
@ When the stylus lands at the outside of the
record,turn the adjustment screw in the)
direction.
@ When the stylus lands at the inside of the
record,turn the adjustment screw in theq
direction.
One half turn of the adjustment screws
moves the tone arm about 12 mm.
7. After adjustment, press the PLAY/STOP
switch and check if the stylus landing point
was correctly adjusted.
If adjustment is incorrect, repeat items 3 to 6.

Hexagon driver
screwdriver
Arm elevation
height adjustment
Auto-return
adjustment
8
32mm
|
aeeges=:
eee
Pe
/
Auto-return
p
Position adjustment Ge
—— L
U
<1)
eee —
CoN .
Arm elevation
[11mm _ adjustment
height
Fig. 10-1 Arm elevation height adjustment and
auto-return adjustment
Hexagom driver
CF | Tonearm lands toward
re outside of record
Tonearm lands
toward inside
of record
Fig. 10-2 Stylus landing point adjustment
10.3 ARM-ELEVATION ADJUSTMENT
@ Arm Elevation Height Adjustment
1. Depress the arm elevation switch to lower the
arm.
2. Adjust the screw under the turntable so the
stylus is 11mm above the panel. When the
adjustment screw is turned counterclockwise,
the stylus rises.
3. Depress the arm elevation switch to raise the
tone arm.
4. Adjust the screws next to the arm elevation
switch so the stylus is 25.5 mm above the panel.
10.4 MOTOR ADJUSTMENTS
Place the record player on blocks as shown in
Fig. 10.3 and adjust the motor from the under
base.
1. Push the arm elevation switch to raise the arm.
2. Place a strobo sheet on the turntable, move
the arm to the turntable side, and rotate the
turntable.
3. Adjust semifixed resistors VR1 and VR2 of
the motor assembly so the strobo of the strobo
sheet appears to the static.
4. For 33 1/3 rpm, adjust VR2 and for 45 rpm,
adjust VR1.
WSs
NINN S
= SAIN
vVR1i —
45rpm Motor
Screwdriver
VR2
33 1/3rpm
Fig. 10-3 Motor adjustment
AZ.

PL-560
10. REGLAGE
10.1 REGLAGE DU RETOUR AUTOMATIQUE
@ Réglage de la Position du Retour Automatique
Exécuter les réglages suivants au cas ot le retour
automatique s’effectue trop tot ou trop tard.
1. Vérifier la position de descente de la pointe de
lecture. Si celle-ci ne se pose pas sur la position ©
correcte, régler la position de descente.
2. Placer l’interrupteur d’élévation du bras acous-
tique sur la position “UP” (vers le haut), et
tourner la vis de réglage de retour automatique
complétement dans le sens contraire des aiguilles
d’une montre.
3. Déplacer le bras acoustique vers l’intérieur
autant que possible.
4. Le bras acoustique se déplacera vers l’intérieur
lorsque la vis de réglage du retour automatique
est tournée lentement dans le sens des aiguilles
d’une montre.
5. Interrompre la rotation de la vis de réglage sur le
point ot on obtient un écartement de 32 mm
entre la points de la téte de lecture et l’axe
central. (Fig.10-1).
6. Aprés le réglage, vérifier si le retour automatique
s’effectue correctement et si la position de
descente de la pointe de lecture est appropriée.
10.2 REGLAGE DU MECANISME
@ Réglage de la Position de Descente de la Pointe
de Lecture
Au cas ot le bras acoustique ne se pose pas sur la
position appropriée au cours de la lecture auto-
matique, régler conformément au procédé suivant:
1. Placer un disque de 30 cm sur le plateau.
2. Presser Jl’interrupteur START/STOP (départ/
arrét) et effectuer la lecture automatique. Noter
la direction et la quantité si le point de descente
est décentré. (Distance en mm vers l’intérieur
ou l’extérieur a partir des sillons du disque).
3. Presser l’interrupteur START/STOP pour rame-
ner le bras acoustique sur son support.
4. Presser l’interrupteur d’élévation du bras acous-
tique pour soulever la pointe de lecture.
5. Déplacer manuellement le bras acoustique
jusqu’au bord extérieur du disque.
6. Tourner la vis de réglage au moyen d’un petit
tournevis conformément 4a la direction et la
quantité vérifiées 4 l’étape 2 mentionnée ci-
dessus, de la maniére suivante:
® Tourner la vis de réglage dans le sens () au cas
ou la pointe de lecture se pose en dehors du
disque.
18
®@ Tourner la vis de réglage dans le sens ¢) au cas
ou la pointe de lecture se pose a l’intérieur du
disque.
Un demi-tour de la vis de réglage déplacera le
bras acoustique d’environ 12 mm.
7. Aprés le réglage, presser l’interrupteur PLAY/
STOP (lecture/arrét), et vérifier si le point de
descente de la pointe de lecture a été réglé
correctement. Au cas ou le réglage n’est pas
correct, répéter les étapes 3 a6.
Tournevis hexagonal
Tournevis
Pour le réglage de la
hauteur d’élévation du
bras
acoustique
Pour
le
réglage du
retour
automatique
Citak
eee,
32mm
Ma
ot---
55
LILI
Side
Fi)
yn /
u
Réglage de la position
du retour automatique
“ Hauteur de réglage d’élévation
11mm _ du gras acoustique
Fig. 10-1 Réglages de la hauteur d’élévation du
bras acoustique et du retour automa-
tique
F Tournevis hex nal
Le bras acoustique SHeXegONs
se pose a |'intérieur
du disque.
,
el
=
Le
bras
mesa
4
1
z
oo
cae
se
pose
en
denors
du
disque
Fig. 10-2 Réglage du point de descente de la
pointe de lecture

10.3 REGLAGE DE L’'ELEVATION DU BRAS
ACOUSTIQUE
@ Réglage de la Hauteur D’élévation du Bras
Acoustique
1. Presser l’interrupteur d’élévation du bras acous-
tique pour abaisser le bras acoustique.
2. Régler la vis en dessous de la platine de lecture
de telle maniére que la hauteur de la pointe de
lecture soit de 11 mm au-dessus du panneau. La
pointe de lecture se léve lorsque 1’on tourne la
vis de réglage dans le sens contraire des aiguilles
d’une montre.
3. Presser l’interrupteur d’élévation du bras acous-
tique pour soulever le bras acoustique.
4. Régler les vis du cdté de l’interrupteur d’éléva-
tion du bras acoustique de telle maniére que la
hauteur de la pointe de lecture soit de 25,5 mm
au-dessus du panneau.
10.4 REGLAGES DU MOTEUR
Placer la platine de lecture de disque sur des
blocs comme illustré par la figure 10.3, et régler le
moteur a partir d’en-dessous de la base.
1. Presser l’interrupteur d’élévation du bras acous-
tique pour soulever celui-ci.
2. Placer une feuille stroboscopique sur le plateau,
déplacer le bras acoustique vers le cété du
plateau, et tourner le plateau.
3. Régler les résistances semi-fixes VR1 et VR2 de
VYensemble du moteur de telle maniére que le
stroboscope de la feuille stroboscopique semble
étre fixe.
4, Régler la résistance VR2 pour 33 1/3 tours/
minute, et la résistance VR1 pour 45 tours/
minute.
=
IW WSs
HWE Ses
HIRES
== SL IMATNNWSS
VR1 —
45 tours/ Moteur
Tournevis
33 1/3 tours/minute
Fig. 10-3 Réglage du moteur
PL-560
10. AJUSTE
10.1 AJUSTE DE REGRESO AUTOMATICO
@ Ajuste de la Posicién de Regreso Automatico
Ejecutar los siguientes ajustes en caso de que el
regreso automatico ocurra muy temprano o muy
tarde:
1. Verificar la posicion de descanso de la aguja. Si
la aguja no descansa en la posicién correcta,
ajustar la posiciOn de descanso.
2. Colocar el interruptor de elevacién del brazo en
la posicion “‘UP” (hacia arriba), y girar el torni-
Ilo de ajuste de regreso automatico completa-
mente en el sentido contrario al de las agujas del
reloj.
3. Desplazar el brazo sonoro hacia dentro lo mas
lejos posible.
4. El brazo sonoro se desplazara hacia dentro
cuando el tornillo de ajuste de regreso automa-
tico es girado despacio en el sentido de las agujas
del reloj.
5. Interrumpir la rotacion del tornillo de ajuste al
punto en el cual hay un intervalo de 32 mm
entre la aguja de cartucho y el eje central. (Fig.
10-1)
6. Después del ajuste, verificar si el regreso automéa-
tico se ejecuta correctamente y si la posicion de
descanso de la aguja es apropiada.
10.2 AJUSTE DEL MECANISMO
@ Ajuste de la Posicién de Descanso de la Aguja
En caso de que el brazo sonoro no descanse en la
posicion apropiada durante la reproduccién auto-
matica, ajustar de acuerdo con el procedimiento
siguiente:
1. Colocar un disco de 30 cm sobre el plato.
2. Presionar el interruptor START/STOP (arran-
que/parado) y efectuar la reproduccién automa-
tica. apuntar la direcciOn y la cantidad si el
punto de descanso esta descentrado. (Distancia
en mm hacia dentro o fuera desde las ranuras del
disco).
3. Presionar el interruptor START/STOP para
regresar el brazo sonoro a su descanso.
4. Presionar el interruptor de elevacién del brazo
para levantar la aguja.
5. Desplazar manualmente el brazo sonoro hacia el
borde exterior del disco.
6. Girar el tornillo de ajuste por medio de un
destornillador pequefio de acuerdo con la
direccion y la cantidad verificadas en el paso 2
anterior, del modo siguiente:
® Girar el tornillo de ajuste en el sentido () sila
aguja descansa fuera del disco.
19

PL-560
® Girar el tornillo de ajuste en el sentido: sila
aguja descansa dentro del disco.
Un medio giro del tornillo de ajuste desplazara
el brazo sonoro aproximadamente 12mm.
7. Después del ajuste, presionar el interruptor
PLAY/STOP (reproduccion/parado), y verificar
si el punto de descanso de la aguja ha sido
ajustado correctamente. En caso de que el ajuste
sea incorrecto, repetir los pasos 3 a 6.
Destornillador hexagonal
Destornillador <7
Para el ajuste de la alture ll
de elevacién del brazo sonoro TT
Para el
ajuste de
regreso
automatico
PIRSA oss
32mm en
Wide}
Ajuste de la posicién
de regreso automatico
—_— —
“ Altura de ajuste
11mm de elevacion del
brazo sonoro
XX
J,
Fig. 10-1 Ajustes de la altura de elevacién del brazo sonoro
y de regreso automatico;
Destornillador hexagonal
CF | El brazo sonoro descansa
ce I a fuera del disco.
El brazo sonoro
descansa dentro
del disco.
Fig. 10-2 Ajuste del punto de descanso de la aguja
20
10.3 AJUSTE DE LA ELEVACION DEL BRAZO
SONORO
@ Ajuste de la Altura de ElevaciOn del Brazo
Sonoro
1. Presionar el interruptor de elevaciOn del brazo
sonoro para bajar el brazo.
2. Ajustar el tornillo bajo el tocadiscos de modo
que la altura de la aguja sea de 11 mm sobre el
panel. La aguja se levanta cuando se gira el
tornillo de ajuste en el sentido contrario al de las
agujas del reloj.
8. Presionar el interruptor de elevaciOn del brazo
sonoro para levantar el brazo.
4, Ajustar los tornillos al lado del interruptor de
elevacion del brazo sonoro de modo que la
altura de la aguja sea de 25.5 mm sobre el panel.
10.4 AJUSTES DEL MOTOR
Colocar el tocadiscos sobre dos bloques como se
ilustra en la figura 10.3, y ajustar el motor desde la
base inferior.
1. Presionar el interruptor de elevacion del brazo
sonoro.
2. Colocar una hoja de estroboscopia sobre el
plato, desplazar el brazo sonoro hacia el lado del
plato, y girar el plato.
3. Ajustar las resistencias semifijas VR1 y VR2 del
ocnjunto del motor de mode que el strobo de la
hoja de estroboscopia aparezca fijo.
4, Ajustar la resistencia VR2 para 33 1/3 rpm, y la
VR1, para 45 rpm.
Destornillador
VR2
33 1/3 rpm
Fig. 10-3 Ajuste del motor

PL-560
11. PRECAUTIONS FOR REASSEMBLY
Follow these directions and precautions when
reassembling a unit after completing repairs. Be
sure to lubricate as required, make no mistakes
when attaching parts, and avoid all other careless
mistakes that may be the cause of trouble later on.
11.1 AREAS THAT REQUIRE LUBRICATION
NOTE:
Types of lubricants and areas where they are used are
listed in table 1.
Table 1
Type of Oil
Silicon Oil #50000
GYA-008
Areas used
raising shaft
all other areas
Lubrication points are specified for oils other
than GYA-008. Never use a different type of oil.
® Cam Section
Apply grease to the heart-shaped grooved section
(rear side of the cam) and lock plate sliding section
in order to minimize wear on the sliding section
and the burden on the mechanism.
e Driving Plate Assembly
Decrease the burden on the mechanism and the
wear on the sliding section.
Sides surface :
(Sliding section of ™
auto-stop mechanism)
Top and side
(Sliding section of
auto-stop mechanism)
EV cam notched Part
(PU plate pin sliding section)
Fig.
11-1
Driving
panel
assembly
section
Switch
Locker
Section
@ Switch Locker Section
Apply grease to the switch locker (opening) and
sub-panel base sliding section to decrease the
burden on the mechanism.
When applying grease to the opening (shaft hole),
do not apply any grease 2 ~ 3mm from the bottom
surface. If grease is applied 2~3mm within the
bottom surface, it may come out the bottom and
go between the switch lever and sub-panel base
causing the switch lever to operate ineffectively.
Switch locker
Fig. 11-2 Switch locker section
e Selector Section
Apply grease to the surface of the sub-panel base
of the selector sliding section to decrease the
burden on the mechanism and wear on the sliding
section.
Side surface
Sub-panel
KR
surface
Side surfaces
Fig. 11-3 Selector section
e Reset Plate Section
Apply grease to the sub-panel base (shaft) and
sliding section of the reset plate to decrease the
burden on the mechanism.
Reset plate
Sub-panel base
Apply grease (GY A-008)
to shaft section
Fig. 11-4 Reset plate section
a1

PL-S6O0
@ Index Cam Section e EV Lever Section
Apply grease to the index cam and lower surface Coat the EV lever shaft section with grease so the
of the hooked section to decrease the burden on EV lever operates smoothly.
the mechanism.
Lower surface of
hooked section
Fig. 11-5 Index cam section
Fig. 11-7 EV lever section
e
EV
Sheet
Section
@
Cam
section
Apply
oil
to
the
raising
shaft
and
sliding
section
Coat
the convex
side
of
the
cam
with
grease
to
of
the
bearing
to
assure
stability
in
the
elevation
prevent
cam
and
timing
lever
contact
section
wear.
lowering speed.
Cam Convex part
Apply all around f
at a width of 1mm
Half of the grooved section |
EV sheet assembly SS
Fig. 11-8 Cam section
Fig. 11-6 EV sheet section

11.2 PRECAUTIONS FOR ATTACHMENT OF
PARTS AND REASSEMBLY
e Reset Plate SP Attachment
As shown in Fig. 11-9, the reset plate SP hook is
attached by putting the open section on the sub-
panel base side.
Sub-panel
Reset plate SP
Selector
Fig. 11-9 Reset plate SP attachment
e Cam Assembly Attachment
The cam assembly is attached by letting the
lock plate go in the direction © as shown in Fig.
11-10.
Driving plate
Lock plate
Sub-pane! base
Fig. 11-10 Cam assembly attachment
PL-560
e Motor Attachment
When installing the motor, set the cam in the
mechanism stop location and verify that the
starting plate section @ does not protrude be-
yond surface @ of the cam. If the motor is at-
tached with the starting plate section ® protrud-
ing, the starting plate may be deformed, the motor
pinion gear may be scratched, and the returm
function may be damaged.
Fig. 11-11 Motor attachment
e Start Lever Unit Attachment
Attach the shaft section of the start lever unit
as shown in Fig. 11-12 so that it comes between
the reset plate and start plate.
Reset plate SP
Driving plate
ass’y
Fig. 11-12 Start lever unit attachment
23

PL-560
e Mechanism Ass’y Attachment e PU Plate Attachment
1. PU plate shaft position confirmation Push the PU plate into place so that the PU
When attaching the arm base section to the plate bearing section touches the revolution shaft
mechanism section, put the mechanism section attachment nut. Installation direction is as shown
switch locker and switch lever in the locked posi- in Fig. 11-15.
tion and verify that the tonearm is in the arm rest
location. Also check that the PU plate shaft is in
the position shown in Fig. 11-13.
PU plate shaft
Switch locker
Fig. 11-13 Arm base attachment EA patents
Fig. 11-15 PU plate attachment
2. PU lead wire position confirmation
When attaching the mechanism ass’y to the.
panel, be careful that the PU lead wire is not
pinched at the panel boss as shown in Fig. 11-14.
Fig. 11-14 PU lead wire attachment