Sony PS-LX430 User manual

PS-LX430:
US Model
PS-LX430C:
US Model
Canadian Model
PS-LX431:
AEP Model
UK Model
E Model
PS-LX431N:
US Model
PS-LX433:
US Model
SPECIFICATIONS
Turntable
Platter 30.0 cm(12 in.), aluminum-alloy diecast
Motor DC servo motor
Drive system Belt drive
Controlsystem DCservocontrol system
Speed 33!/3 rom, 45 rom
Start-up time Comes to nominal speed within 4/2 rotation (33/3
rpm)
Wow and flutter 0.045% (WRMS)
Signal-to-noise ratio
70 dB (DIN-B)
Automatic system
Lead-in, return, reject, repeat, record size
selection
Suspension system
High elasticity gel insulator
Toneam
PS-LX430/430C/433:
Type Statically balanced
Pivot-to-stylus length
216.5 mm (81/2 in.)
Usable cartridge Plug-in type, 6g
Sony VL-45G
Trackingerror +3, —-1
PS-LX431/431N:
Type Dynamically balanced
Pivot-to-stylus length 216.5 mm (81/, in.)
Overhang 16.5 mm (22/39 in.)
Tracking error +3, —-1
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Cartridge
PS-LX430C: VL-45G
Type Moving magnet type
Frequency response
20 Hz to 20 kHz
Channel separation
20dB at 1 KHz
Output voltage 3.5mVat1kHz,5cm/sec.
Loadimpedance 50to 100 kilohms
Tracking force 1.259
Stylus Sony ND-145G (conical 0.6 mil diamond)
Weight 6g
PS-LX430/LX433 Not supplied
PS-LX431: VL-42G
Type Moving magnet type
Frequency response 20 Hz tO 20 kHz
Channel separation 16dB at 1 kHz
Output voltage 2.5 mV at 1 kHz, 5 cm/sec.
Loadimpedance = 50to0 100 kilohms
Tracking force 2g
Stylus Sony ND-142G
(conical 0.6 mil diamond)
Weight 8g
~ Continued on page 2 —
ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
UNE MARQUE A SUR LES DIAGRAMMES SCHE-
MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES
POUR LA SECURITE DE FONCTIONNEMENT. NE REM-
PLACER CES COMPOSANTS QUE PAR DES PIECES
SONY DONT LES NUMEROS SONT DONNES DANS CE
MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR
SONY.
STEREO TURNTABLE SYSTEM
SONY.

PS-LX430/430C€/431/431N/433
General
Power requirements
Power consumption
Dimensions
Weight
US, Canadian model: 120 V ac, 60 Hz
AEP model: 220 V ac, 50/60 Hz
UK model: 240 V ac, 50/60 Hz
7W
PS-LX430/430C/431/433:
Approx. 430 x 100 x 360mm (w/h/d)
(17x 4x 14% inches)
incl. projecting parts and controls
PS-LX431N:
Approx. 430 x 110 x 360 mm (w/h/d)
(17x 4% x 14 in.)
including projecting parts and controls
PS-LX430/430C/431/433:
Approx. 3.5 kg (7 Ibs 12 oz), net
Approx. 4.5 kg (9 Ibs 10 oz), in shipping
carton
PS-LX431N:
Approx. 2.9 kg (6 Ib 7 oz) net
MODEL IDENTIFICATION
— Specification Label —
PS-LX430, PS-LX430C, PS-LX433
SONY. MODEL NO, PS-Lx430
i
STEREO TURNTABLE SYSTEM
LLM
SERIAL NO.
MADE IN JAPAN
US, Canadian model: AC: 120V —60 Hz 7W
365 mm (14 3s in.)
a
385 mm (15 3/32 in.)
(PS-LX431N: Dust cover is not supplied)
PS-LX431, PS-LX431N
SONY. wove. no, psixess
et ee eee a}
STEREO TURNTABLE SYSTEM
MLL
SERIAL NO.
MADE IN JAPAN
US model: AC: 120V —60Hz 7W
AEP, UK model: AC: 220V — 50/60 Hz 7W
E model: AC: 110 —220V, 220 —240V 50/60 Hz 7W,

SAFETY
CHECK-OUT
(US
Model)
After correcting the original service problem,
perform the following safety check before releasing
the set to the customer:
Check the antenna terminals, metal trim, ‘“‘metallized”’
knobs, screws, and all other exposed metal parts for
AC leakage. Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to
earth ground and from all exposed metal parts to any
exposed metal part having a return to chassis, must
not exceed 0.5mA (500 microampers). Leakage
current can be measured by any one of. three
methods.
1. A commercial leakage tester, such as the
Simpson 229 or RCA WT-540A. Follow the
manufacturers’ instructions to use these instru-
ments.
2. A battery-operated AC milliammeter. The Data
Precision 245 digital multimeter is suitable for
this job.
3. Measuring the voltage drop across a resistor by
means of a VOM or battery-operated AC volt-
meter. The “limit” indication is 0.75 V, so
analog meters must have an accurate low-
voltage scale. The Simpson 250 and Sanwa
SH-63Trd are examples of a passive VOM that
is suitable. Nearly all battery operated digital
multimeters that have a 2V AC range are
suitable. (See Fig. A)
To Exposed Metal
Parts on Set
AC
0.15 uF vo/tmeter
; (0.75 V)
—= ~~ Earth Ground
Using an AC voltmeter to check AC leakage.
PS-LX430/430€/431/431N/433
CAUTION ON INSTALLING BELT
When installing beit, glossy should be faced outside.
Motor pulley
Glossy side

PS-LX430/430C/431/431N/433 |
SECTION 1
OUTLINE
1-1. PARTS IDENTIFICATION
PS-431
PS-LX431N
© © O @
@ 45-rpm adaptor
© Auto-record-size selection holes and lamp
© Disc centering guides
@ Drop point adjustment hole
@ Tonearm |
© Arm rest
© Cartridge (not supplied with US, Canadian certain
models of PS-LX430/LX433)
© Sub-weight
PS-LX430
PS-LX430C
PS-LX433
9
I
© ANTI-SKATING compensator
Normally, set it at the center position. If the stylus is
driven inward when the tone arm is lowered to the lead-
in groove, turn the ANTI-SKATING compensator to @. If
the stylus is driven outward, turn the ANTI-SKATING
compensator to ©.
oe
Center position

PS-LX430/430C€/431/431N/433
@ vw/V¥ (cueing) lever
Used to fift or lower the tonearm.
@ START/STOP button
@® REPEAT button and indicator
® SPEED selector and indicators
Set the SPEED selector according to the speed of the
record to be played. For 45-rpm records, depress the
selector when a 45 rpm record is to be played. For a 33%/s @® SYNC connector
records,
press
it
again.
Connect
to
the
SYNC
connector
of
the
optional
Sony
tape
deck
equipped
with
a
3-pin
flat
connector.
@ Rubber mat
@® CONTROL S IN connector
®
Turntable
platter
Connect
to
the
CONTROL
S
OUT
or
REMOTE
OUT
connector
of
an optional
Sony system
control
tuner
or
@
Center
spindie
receiver
for
whole
audio
system
remote
control.
@ POWER switch @ CONTROL S OUT connector
Connect to the CONTROL S IN or f REMOTE OUT con-
nector of Sony audio equipment equipped with a 4-pin
remote control connector for remote control operation.
1-2. BLOCK DIAGRAM B+
; (12V) et
(12V)
33/45 SWITCH RVIO!
2° 33rpm SPEED
Q105,107
ADJ
Mi0!
(TURNTABLE
MOTOR
1cid2
SYSTEM CONTROL
RVIO2
45rpm SPEED
ADJ i
(@)
& CNP 2
OFF
S601 ° BEST
ARM REST oe @?)ARM REST oy COTROL S OUT
MOTSWITCH
G)
MOTOR
DRIVE
fo)
O OFF _ 0106 C101
O 28) PLAY
$701
PLAY oN CNP 3
= SWTCHING COTROL S$ IN
S102 ART/STOP SIR HAPER O
O @3)START/STO IRCS@2) SHAPE Pr ,
$103 — REPEAT
REPEAT
REPEAT ° @)
$104 GEPEED PAUSE RELEASE(O) eo oO] _cNP4
45 SPEED 33 SYNC
O
a3 At' REC. MUTE (9) a
(8)45LED PT
POWER
TRANSFOR MER
Ay
Dil2 33LED
© ©
RECT
4 . DIOI-104
DIN ' (6)REPEAT LED
REPEAT
OFF SIO}
al
pee
PMI02
SIZE PM) SOLENOID DRIVE X M10.
SOLENOID
‘
.
~
Q30! D108 —— PMO
SIZE
OET
Oloa
size
STAR
OOD
soEN
Os
x
START
/STOP
i7em SOLENOID
(5)
. ©)
aor *
SIZE DET |
30cm Xi

PS-LX430/430C/431/431N/433 | section 2
DISASSEMBLY
2-1. REMOVAL @ Follow the disassembly procedure in the numerical order given.
TURNTABLE MOTOR (M101)
@ motor screw
'S)
oS
>|, BRACKET (8), MOTOR
Ge :
l
Remove bottom plate.
(PTPWH 3 x 12 9 pcs)
§ @ turntable motor
(M101)
S/S SW BOARD LAMP BOARD
@
t
G0
PTPWH3
x
10
As>
{
chassis
bracket
@ PTPWH3 x 10
® lamp board
S/S bottom

| PS-LX430/430C/431/431N/433
SYSTEM CONTROL (A) BOARD
@
«QO PTPWH3 x 10
O
prewH3
x
-)
i
System control (A) board 4 b
ie
SYSTEM CONTROL (B) BOARD

PS-LX430/430C/431/431N/433__
2-2. INSTALLATION
PUSH ROD, LIFTER LEVER
e-° PTPWH3 x 10
@ lifter retainer (C)
ae — @ PTPWH3 x 10
special washer
(12 dia)
4) lifter lever ass’y
lifter retainer (C)
Sony grease
(SGL-501)
Hf}
i Q lifter cam
Sony grease
(SGL-501)
Sony grease
(SGL-501)
Caution for installation:
When the push rod is replaced, apply silicon oil
(viscosity: 500,000 cs) to the push rod as illustra-
ted below.
Caution:
When lubricating, rotate and move the push rod
up and down a few times.
lifter guide
set-screw
HEX. 2.6 x 8
Do not hurt the
surface of this
area.
oil-retaining groove
|, (silicon oil viscosity
push
rod
case
a
500,000)
Parallel
lifter lever (C)
Sony grease
(SGL-501)
—_o shaft
Sony grease
(SGL-501)
lifter lever (A)
B2.6 x 16
contact cement

TONEARM UNIT
CHASSIS BLOCK
chassis block
| PS-LX430/430C/431/431N/433
tonearm unit
PTPWH3 x 10
PS-LX430/430€/431/431N/433
INDEX LEVER (C)
@cE9
Sony grease
(SGL-501)
@
index
lever
(C)
aN
main lever
PT
\
Sony grease
Xe L-501)
«\
INDEX LEVER (B)
@ Set the click lever in
the direction of the arrow.
QcE
at click lever
@ poly-slider \.
(9.5 dia.) ely
@ index lever (B) ass’y
Rotate the index lever (C) in
the direction of the arrow. index lever (C)
Sony grease
(SGL-501)
main lever
index lever (C)
Rotate the index lever (C) on the
direction of the arrow @ and
put the stud (6) of the index
lever (B) into the click lever.
On, .
= a— Click lever
index lever (B)

PS-LX430/430C€/431/431N/433 PS-LX430/430€/431/431N/433
ARM LEVER
3) Set the position of
boss and hole (A).
Sony grease
hole
(A)
(SGL-501)
hole (A)
@ arm lever
1) Set the click lever in
the direction of the
@ double cup
set screw 3x 8
click lever
IFC (ANTI-SKATING) KNOB
5) Install the spring
on
the
IFC
cam.
@
PTP3
x
25
@ plain washer 14
IFC spring
Sony grease
(SGL-501)
stopper boss
8] Hook the long side
of spring in the
stopper boss.
the frame.
@
Install
washer
(N)
+r
Q——
washer
(N)
on
the
IFC
knob.
|
y Sony grease
| ea (SGL-501)
rT ney
IFC knob aA
@ Fully turn the IFC knob.
| - 9? Insert the IFC knob in
PHONO BOARD @ PTPWH3 x 10
a Ja
| shield plate (lower)
white
Af
—
ae
ee
phono board ASE A ~! iS
LPO |
Sei hig! ge
E
DRIVE GEAR EP iepa sll grease
@ drive gear ca
tA
CORA
!
Set the main lever in
the direction of the
arrow as illustrated.
a tena
{ya
main
lever
fA
Sony
grease
ay
(SGL-501)
{
|
Sony grease
(SGL-507)
kK) /nstall the drive gear pulling
the reset lever in the direction
reset
lever
of
the
arrow
as
illustrated.
Sony grease
(SGL-501)