Turntable Disassembly Repair Guide

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Turntable Disassembly
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Introduction

Be sure to download and study the service manual for your particular turntable before proceeding. Service manuals are available online at vinylengine.com.

What you need

Step 1

              Remove dust cover

Start by simply lifting off and placing aside the dust cover.
Make sure that the turntable is disconnected from the mains.

Start by simply lifting off and placing aside the dust cover.

Make sure that the turntable is disconnected from the mains.

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Step 2

              Lift off platter (direct drive)

Simply lift off the platter with both hands and place it aside.
You may need push your fingers through the opening in the platter and push down a little bit to free the platter from the spindle.

Simply lift off the platter with both hands and place it aside.

You may need push your fingers through the opening in the platter and push down a little bit to free the platter from the spindle.

Step 3

              Remove belt and platter (belt drive)

If you have a belt-drive turntable, you will need to remove the belt off the motor spindle before taking off the platter.
Rotate the platter until the motor spindle and belt appear through the access hole, then gently pull the belt outwards with your thumb and lift off the platter without letting go off the belt.
Once the platter is off, release the belt, letting it rest around the platter inner pulley.

If you have a belt-drive turntable, you will need to remove the belt off the motor spindle before taking off the platter.

Rotate the platter until the motor spindle and belt appear through the access hole, then gently pull the belt outwards with your thumb and lift off the platter without letting go off the belt.

Once the platter is off, release the belt, letting it rest around the platter inner pulley.

Step 4

              Remove headshell and cartridge

Remove the head-shell and cartridge as one unit.
Some units have a thumbscrew that must be loosend before the headshell can be pulled off.
Other types use a socket-type connector. Loosen it and gently pull the headshell ff
After removing the headshell, make sure that the tonearm is firmly locked in its rest.

Remove the head-shell and cartridge as one unit.

Some units have a thumbscrew that must be loosend before the headshell can be pulled off.

Other types use a socket-type connector. Loosen it and gently pull the headshell ff

After removing the headshell, make sure that the tonearm is firmly locked in its rest.

Step 5

              Remove counterweight

Simply loosen the counterweight until it falls free off the tone-arm.
Be sure to take note of the tracking force setting before removal if you do not have the specification for your cartridge. You will have to reset this tracking force after reassembly and re-balancing of the tone-arm.

Simply loosen the counterweight until it falls free off the tone-arm.

Be sure to take note of the tracking force setting before removal if you do not have the specification for your cartridge. You will have to reset this tracking force after reassembly and re-balancing of the tone-arm.

Step 6

              Remove switch caps and other trim pieces

Pull the plastic caps off any slide or push-button switches and keep them aside.
Also remove any trim pieces such as access covers for adjustments.

Pull the plastic caps off any slide or push-button switches and keep them aside.

Also remove any trim pieces such as access covers for adjustments.

Step 7

              Remove feet and bottom plate screws

Put the dust cover back on and turn the turntable upside down. Unscrew the fasteners holding each of the rubber feet to the base plate.
Then remove any remaining screws holding the base plate onto the plinth. The base plate can now be lifted off to reveal the internals.
You may need to wedge a flat-blade screwdriver between the plinth and base plate to lift it off.
You can now access the motor, power-supply, and main circuit board for repairs or servicing

Put the dust cover back on and turn the turntable upside down. Unscrew the fasteners holding each of the rubber feet to the base plate.

Then remove any remaining screws holding the base plate onto the plinth. The base plate can now be lifted off to reveal the internals.

You may need to wedge a flat-blade screwdriver between the plinth and base plate to lift it off.

You can now access the motor, power-supply, and main circuit board for repairs or servicing

Step 8

              Remove control PCB (optional)

You may need to remove the PCB to facilitate easier access to various components.
Remove any screws holding the PCB to the chassis, plinth, or to any heat sinks that would restrict removal.
Disconnect any cables from the control PCB to other parts of the turntable such as the speed selector switch and power supply. On some models, such as this Technics, you may need to cut the wires if no connectors are used.
You can now rotate or remove the PCB.
On many direct drive models, the motor’s stator coil is soldered onto the control PCB. The motor’s shaft and bearing assembly, along with its back plate may also be held onto the PCB by long screws threaded through the stator assembly. In this case, you can remove the PCB with the shaft and bearing assembly and back plate attached.
Power supply filter capacitors on the control PCB may be holding voltages around 20-30V.

You may need to remove the PCB to facilitate easier access to various components.

Remove any screws holding the PCB to the chassis, plinth, or to any heat sinks that would restrict removal.

Disconnect any cables from the control PCB to other parts of the turntable such as the speed selector switch and power supply. On some models, such as this Technics, you may need to cut the wires if no connectors are used.

You can now rotate or remove the PCB.

On many direct drive models, the motor’s stator coil is soldered onto the control PCB. The motor’s shaft and bearing assembly, along with its back plate may also be held onto the PCB by long screws threaded through the stator assembly. In this case, you can remove the PCB with the shaft and bearing assembly and back plate attached.

Power supply filter capacitors on the control PCB may be holding voltages around 20-30V.

Step 9

              Seprade PCB from motor shaft assembly (optional)

Rotate the control PCB along with motor assemblies, to access the screws on the top of the motor’s stator assembly.
Remove the long screws threaded through the stator assembly into the shaft and bearing assembly.
You will now be able to separate the shaft and bearing assembly from the control PCB.

Rotate the control PCB along with motor assemblies, to access the screws on the top of the motor’s stator assembly.

Remove the long screws threaded through the stator assembly into the shaft and bearing assembly.

You will now be able to separate the shaft and bearing assembly from the control PCB.

To reassemble your device, follow these instructions in reverse order.

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Attached Documents

ve_technics_sl-d2_service.pdf
PDF - 5.73 mb
View
ve_pioneer_pl-210az_service_arp1512_en.pdf
PDF - 5.24 mb
View

ve_technics_sl-d2_service.pdf

PDF - 5.73 mb

ve_pioneer_pl-210az_service_arp1512_en.pdf

PDF - 5.24 mb

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What you need

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