Luxman PD-151 User manual

BELT DRIVE ANALOG PLAYER
PD-151
Owner`s Manual

Contents
Precautions ············································································································· 1
Features of This Unit································································································ 2
Before Use ·············································································································· 4
Names and Functions······························································································ 6
How to assemble ·································································································· 10
Connections ·········································································································· 14
Operations············································································································· 16
Block Diagram······································································································· 18
Specifications ········································································································ 19
Before Asking for Repair Service············································································ 20

BELT DRIVE ANALOG PLAYER PD-151
1
Precautions
Installation place
• Install this unit in a horizontal and stable place where the
unit is less subject to external vibration.
• Do not install this unit near a television or color monitor.
Keep this unit away from such devices as cassette decks
that are subject to magnetism.
DO NOT move this unit during playback
Moving this unit during playback may cause needle jump, and
damage the needle and record thereby.
When moving this unit
When moving this unit, be sure to turn off the power after
stopping the turntable and removing the record. Next, unplug
the power cable and phono cable, remove the turntable and
rubber mat, and then move this unit.
Avoid the following locations for installation
• Locations exposed to direct sunlight
• Places subject to humidity and with less ventilation
• Places where are extremely hot or cold
• Places subject to strong vibration
• Places subject to dust
• Places subject to oil, steam, and heat (such as kitchens)
Do not put articles.
Do not put articles on this unit.
Avoid heat
Do not place this unit on such device as an amplifier that may
emit heat. If the unit is installed on a rack, install the unit as
distantly as possible from where the amplifier is installed so
as to avoid heat emission from the amplifier and other audio
devices.
Dew condensation
Be aware that condensation may occur when this unit is
moved from a cold place to a warm place especially in win-
ter or when the temperature of the room where this unit is
installed is quickly raised with a heater or the like. It depends
on the condensation state, however, this unit can be used af-
ter disappearance of water droplets by turning on the power
and leaving the unit as it is for 1 to 2 hours to keep the unit at
room temperature.
Even in summer, dew condensation can occur if this unit is
directly exposed to cool air from an air conditioner. In such a
case, the installation place should be changed.
Lubrication
Do not lubricate this unit yourself because special oil is used
for the spindle.
Cleaning
• Usually, wipe the unit with a dry soft cloth.
When the dirt is hard to remove, dip soft cloth in detergent
diluted 5 or 6 times with water, wring it well, and remove
contaminants. Then, remove the moisture with dry cloth.
• Be aware that printed or painted portions may be damaged
if the portions come into contact with alcohol, thinner, ben-
zine, insecticide, or the like. In addition, do not let this unit
contact a rubber or plastic form for a long time. That may
damage the cabinet surface of the unit.
• Be sure to unplug the power cable from the outlet before
cleaning.
Repair and adjustment
When repairs and adjustments are needed, please consult
with the dealer where you bought the unit.
Safety caution
Caution
• Exercise extra care when this unit is unpacked, assembled,
transported, and installed because this unit is heavy.
• Be careful not to get your finger caught.
Moving
parts
Be careful not to get your hands, clothing or
hair closer to the motor pulley section when
the turntable is rotating.
Please pay attention especially to children when
they are around.
Please keep in mind that it can result in injury if
fingers get caught between the motor pulley and
the belt.

2
Features of This Unit
Belt drive
Belt drive system reduces vibration of the motor and rotation
irregularity and also obtains smooth rotations.
Circuit configuration
PID control system measures rotation speed using the hall
element of the motor and takes to the set rotation speed
smoothly in a short time.
PID controller: Proportional-Integrated-Differential controller
High performance base clock
MEMS oscillator that is excellent in temperature characteris-
tics for base clock for speed correction is used.
MEMS: Micro Electro Mechanical Systems
Rotation speed deviation indicator
The indicator lights in green when the rotation speed is
matched with the set rotation speed. The indicator will flash
in green when the rotation speed is slower than the set speed
and flash in blue when it is faster than the set speed.
33 / 45 / 78 rpm selectable
In addition to 33 and 45 rpm, SP record of 78 rpm is sup-
ported.
Tone arm
A universal static balance tone arm for simple cartridge re-
placement is included as standard equipment.
Heavyweight platter
The platter weighs 4.0 kg (39 N), which is machined from
aluminum metal to improve rotational accuracy.
Inertial moment of approx. 21.9 N·cm2is achieved.
High-rigidity chassis
Machined 10 mm thick top panel and thick metal plates are
used for the exterior.
Vibration isolating performance is improved thanks to 2 mm
thick metal plate used for the bottom plate to which the insu-
lators are to be attached.

BELT DRIVE ANALOG PLAYER PD-151
3
Large-sized spindle
This large-sized spindle with a diameter of 16 mm is made
of stainless steel and equipped with ball bearing and thrust
bearing formed by polyether ether ketone (PEEK) that sup-
port stable rotation.
Rubber mat
Vibration of record is prevented due to the adopted vibration
absorbing rubber.
Floating mount
The power transformer and the motor are installed with the
vibration absorbing rubber to prevent vibration transmitted to
the top panel.
Large-sized insulator
Vibration absorbing rubber absorbs vibration of the chassis
and unnecessary outside vibration such as from an audio
rack and converts them to heat.
Magnesium alloy headshell
Magnesium alloy headshell with LUXMAN logo is supplied.
AC inlet
Power-cable-detachable AC inlet

4
Before Use
Check the accessories.
Make sure that all accessories shown below are in the package.
* No cartridge is included.
• Platter
• Rubber mat
• Flathead screwdriver for rotation speed adjustment
• Headshell
• Counterweight
• Rubber belt
• EP adaptor
• Platter mount handle (2 pieces)
0
0.5
2.5
1

BELT DRIVE ANALOG PLAYER PD-151
5
• Tone arm height adjustment wrench (2.5 mm)
Headshell cylinder adjustment wrench (2.0 mm)
Arm lifter height / arm rest height adjustment wrench (1.5 mm)
• Phono cable (ground cable equipped)
* This cable is connected to the main unit at shipment.
• Power cable
• Printed matters
Safety cautions
Owner’s Manual (This document)
2.5 mm
2.0 mm
1.5 mm

6
Names and Functions
1. Operation indicator
This indicator lights up when the power is turned on.
2. Operation switch (OPERATION)
This switch turns on and off the power.
: ON
: OFF
3. Start/stop switch (START/STOP)
This switch starts rotating the platter at the selected rotation
speed.
This switch also stops platter rotation while the platter is
rotating because this switch serves as both start and stop
switches.
4. Rotation speed selection switch
(33/45/78)
This switch toggles the rotation speed of the platter be-
tween 33, 45 and 78 rpm.
Select a rotation speed in accordance with a record to
listen to.
5. Rotation speed deviation indicator
Adjust the rotation speed fine tuning volume to keep the
indicator lit in green.
6. Rotation speed fine tuning volume
(33/45/78 SPEED CONTROL)
Though the rotation speed had been adjusted at the time of
shipment, make adjustment with each volume in case that
the rotation speed deviation indicator still flashes even after
5 seconds have passed from a moment when the start/stop
switch is pressed.
33: Align the rotation speed selection switch to “33” and
adjust to keep the indicator lit in green.
Align the tip of the provided flathead screwdriver to the
groove matching with the tip of the screwdriver on the
volume and then rotate to adjust.
When the rotation speed is faster than 33 1/3 rpm,
the indicator will flash in blue. When it is slower than
331/3rpm, it will flash in green.
45: Align the rotation speed selection switch to “45” and
adjust to keep the indicator lit in green.
Align the tip of the provided flathead screwdriver to the
groove matching with the tip of the screwdriver on the
volume and then rotate to adjust.
When the rotation speed is faster than 45 rpm, the in-
dicator will flash in blue. When it is slower than 45rpm,
it will flash in green.
78: Align the rotation speed selection switch to “78” and
adjust to keep the indicator lit in green.
Align the tip of the provided flathead screwdriver to the
groove matching with the tip of the screwdriver on the
volume and then rotate to adjust.
When the rotation speed is faster than 78 rpm, the in-
dicator will flash in blue. When it is slower than 78rpm,
it will flash in green.
Be sure to use the provided flathead screwdriver for rotation
speed adjustment.
When using the screwdriver for adjustment, be careful not to
scratch the panel with the tip of the screwdriver.
Front panel
62 3 4 51

BELT DRIVE ANALOG PLAYER PD-151
7
7. Center spindle
A guide for mounting a record.
For playing an EP record, mount the EP adaptor (provided)
here.
8. Motor pulley
Transfers motor rotation to the belt.
9. Belt
Transfers motor rotation to the platter.
10. Rubber mat
Suppresses platter squeaks and brings a record into inti-
mate contact with the platter.
11. Headshell
Couples a cartridge with the tone arm.
12. Arm lifter
Moves a cartridge upward and downward.
13. Anti-skating adjustment knob
Cancels the inward force applied to the tone arm during
record playback.
Adjust in accordance with stylus pressure of the cartridge
in use.
14. Counterweight
Adjusts the stylus pressure of the cartridge.
98
10
12
11
13
14
7
Top view

8
Names and Functions
Bottom view
15. Insulators
Support the entire player and absorb howling and vibration
from outside.
These insulators are set at the lowest point at shipment and
can be raised by up to 5 mm.
Use these insulators for making this unit horizontal.
16. Phono cable
This cable is connected to the DIN5P connector of the tone
arm.
(The phono cable is connected to the main unit at ship-
ment.)
17. Cable holder
This holder fixes the phono cable.
16
15
15
17

BELT DRIVE ANALOG PLAYER PD-151
9
Rear view
18. AC inlet (AC IN)
Please connect the accessory power cable to supply the
power from the AC outlet on the wall.
19. Hinge support bracket mounting
sections
Mounting sections for an optional dust cover (OPPD-
DSC151).
Screws for mounting of the hinge support bracket are at-
tached.
When not using a dust cover, do not remove the screws.
19 1918

10
How to assemble
Do not turn on the power until assembly is completed.
1. Installation of main body
Install the main body on a rack that is in a position as hori-
zontal as possible.
If the mounting position is inclined, rotate the insulators on
four corners of the bottom side to adjust the whole horizon-
tal balance of the player.
When adjusting the horizontal balance, adjust after making
a gap of approx.1 mm between the bottom of the player
and the insulators.
After the adjustment, make sure that there is a gap between
the bottom of the player and the insulators. This gap in-
creases effect of the insulators and also improves playback
sound quality.
Make a gap of
approx.1mm
Counterclockwise for up, and clockwise for down
2. Platter mounting
Engage the supplied platter mount handles in the platter,
align the center of the platter with the center spindle while
holding the handles, and engage them.
Be sure to use both hands to hold the platter and mount it
with extreme care not to apply any unreasonable force to
the center spindle. After mounting the platter, remove the
platter mount handles and store them.
Platter mount handle
Platter
Please be extra careful to handle the platter because the
platter is heavy.
3. Rubber mat mounting
The face with a hollow in the center is the upper side.
Put the sheet on the platter by aligning it with the center
spindle.
When the rubber mat is attached, the center part may
sometimes float up.
When it occurred, press the float with your finger and make
the sheet adhere to the platter.
4. Belt wrapping
Firstly, wrap the belt around the turntable. Secondly, wrap
the belt that is wrapped around the turntable around the
pulley.
Rotate the turntable with your hand a few times, and check
to see that the belt is wrapped around the correct position
of the pulley.
Rubber belt
Motor pulley

BELT DRIVE ANALOG PLAYER PD-151
11
5. How to mount counterweight
Face the stylus pressure gauge forward and insert the coun-
terweight into the back side of the tone arm until it clicks.
6. How to mount cartridge on headshell
No cartridge is included in this unit. Mount your cartridge
on the headshell.
Connect the lead wires (see the table below) to your car-
tridge and firmly secure the cartridge to the headshell of this
unit with the screws and nuts supplied with the cartridge. If
the cartridge is loosely secured, hum noise may be gener-
ated. Refer to the operating instructions for your cartridge
regarding terminals to be connected.
White Lch+
Blue Lch−
Red Rch+
Green Rch−
Mount your cartridge so that the distance from the connec-
tion face between the headshell and tone arm to the tip of
the stylus is 52 mm. Secure the cartridge by moving the
cartridge straight along the side face of the headshell and
making the cartridge parallel to the headshell.
The overhang distance of the tone arm mounted on this unit
is 15 mm.
0
0.5
2.5
1
0
1
2
3
52 mm
Stylus pressure gauge
Platter
Record surface Arm restArm pipe
Arm lifter
Headshell
Plug-in nut
Rubber mat
Cartridge
Tone arm height adjustment
screw
Arm lifter height
adjustment screw
（ ）
Arm rest height
adjustment screw
（ ）

12
How to assemble
7. Adjustment of tone arm height
Adjust to make the record surface and the arm pipe in par-
allel by changing height of the tone.
Loosen the screw placed at the arm base with the tone arm
adjustment wrench and move the tone arm up and down,
and then tighten the screw when the tone arm is at an ap-
propriate position.
Arm rest
Tone arm height adjustment
screw
Turntable
Record surface Arm pipe
Plug-in nut
The tone arm is secured only with the screw placed at the
arm base.
When the screw is loosened, be sure to put the tone arm in
the arm rest and use your hand to support the entire tone
arm to prevent it from dropping.
8. Adjustment of arm lifter height
Raise the arm lifter and adjust the gap between the tip of
the stylus and a record from 5 to 10 mm by changing the
position of the lifter by loosening the tone arm height ad-
justment screw with the arm lifter adjustment wrench. After
the adjustment, lower the lifter and make sure that the tip of
the stylus contact the record and then tighten the tone arm
height adjustment screw.
Make sure that there is a gap between the lifter and the
arm pipe when the tip of the stylus contacts the record.
9. Adjustment of horizontal balance
Take the tone arm out of the arm rest in a state that the
anti-skating adjustment knob is aligned to “0” and leave it in
a free state. Rotate the counterweight to minutely adjust the
horizontal balance of the tone arm.
Be aware that the stylus tip of a cartridge is remarkably
delicate. Therefore, exercise extra care not to apply unrea-
sonable force to the stylus tip.
10. Adjustment of stylus pressure
Set the stylus pressure gauge to 0 while paying attention
not to move the counterweight with the tone arm horizon-
tally balanced.
Secondly, set the stylus pressure to a required value by ro-
tating the stylus pressure gauge in the arrow direction shown
in the drawing below. Refer to the operating instructions
for your cartridge regarding the optimal value. A cartridge
weighing 4 to 12 g is suitable for this unit. For a heavyweight
cartridge, use an optional heavy counterweight.
0
0.5
2.5
1
0
1
2
3
The stylus pressure gauge is free from the counterweight
and rotatable freely.

BELT DRIVE ANALOG PLAYER PD-151
13
11. Adjustment of anti-skating
Rotate the anti-skating adjustment knob to set it to a value
that is appropriate to the stylus pressure of your cartridge.
0
0.5
2.5
1
0
1
2
3
Anti-skating is also called as inside force canceler.

14
Connections
INTEGRATED AMPLIFIER
PHONO AMPLIFIER
WHITE
RED

BELT DRIVE ANALOG PLAYER PD-151
15
Before Connecting
Before connecting other devices, connect the jack side of the
accessory power cable to the AC inlet of this unit.
Before connection is made, turn off the main power switch
of this unit and the power of all other connected devices to
prevent accidents due to noises generated unexpectedly.
How to connect power supply
Use the accessory power cable and insert the AC plug in an
outlet on the wall in the room where the unit will be installed.
Connection with a phone equalizer amplifier
or an integrated amplifier
Connect the pin plug of the phono cable to the phono termi-
nal of a phono equalizer or integrated amplifier.
Connect the white pin plug to the Lch and the red one to the
Rch.
Connection of grounding conductor
Connect the grounding conductor to the signal ground ter-
minal of a phono equalizer or integrated amplifier to be used
together.
Failure to observe this may induce hum noise on music sig-
nals.

16
Operations
How to play
1. When the operation switch (OPERATION) is pressed and
turned on, the operation indicator will light in blue.
2. Put a record on the platter while aligning the center hole
of the record with the center spindle.
For an EP record, use the EP adaptor.
3. When the start/stop switch is pressed after setting the
rotation speed (33/45/78) with the rotation speed selec-
tion switch in accordance with a record to be played, the
platter will start rotating.
4. After several seconds, the rotation speed deviation indi-
cator will light.
When the indicator is flashing, adjust the rotation speed
finely. (see page 6)
5. Raise the arm lifter, disengage the tone arm from the arm
rest, and move the tone arm to a position where you like
to play.
Rotation speed fine tuning volume
(speed control)
Start/Stop switch
Operation switch Rotation speed selection switch
Rotation speed deviation indicator
Operation indicator

BELT DRIVE ANALOG PLAYER PD-151
17
6. Lowering the arm lifter allows the tone arm to be lowered
and playback to start.
Increase sound volume of the amplifier after the tip of
the stylus contacted a record. When the tip of the stylus
contacts a record in a state that the volume is in a high
position, a loud sound will come out from speakers.
7. When playback ends, raise the arm lifter and put the tone
arm back on the arm rest, and then press the start/stop
switch to stop the platter.
To prevent the stylus tip and records from being dam-
aged, be sure to use the arm lifter to raise or lower the
tone arm.
Safety caution
Caution
Moving
parts
Be careful not to get your hands, clothing or
hair closer to the motor pulley section when
the turntable is rotating.
Please pay attention especially to children when
they are around.
Please keep in mind that it can result in injury if
fingers get caught between the motor pulley and
the belt.

18
Block Diagram
SPEED LED : regular rotation (green lightin
g)
fast/slow(blue/green blink)
PHONO Cable
Hall input
Speed control
3-phase output
Freq generator
output