Sony M 430 Microcassette Corder Motherboard Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          15 - 30 minutes

Sections

Battery
2 steps
Back Cover
4 steps
Motherboard
8 steps

Flags

BackSony M-430 Microcassette-Corder
Full Screen
Options
History
Save to Favorites
Download PDF
Edit
Translate
Get Shareable Link
Embed This Guide
Notify Me of Changes
Stop Notifications

Introduction

What you need

Step 1

              Battery

Find the arrow on the battery cover on the back of the device.
While pressing down on the arrow, slide the cover towards the bottom of the recorder until it clicks.

Find the arrow on the battery cover on the back of the device.

While pressing down on the arrow, slide the cover towards the bottom of the recorder until it clicks.

1024

Step 2

Lift the cover and remove the batteries.

Lift the cover and remove the batteries.

Step 3

              Back Cover

Remove the battery cover by first tilting it so it is at a right angle with the rest of the device.
Next, twist it to the side as shown in the second picture. The lid should simply snap off.
Be careful not to apply too much force, as the lid may break.

Remove the battery cover by first tilting it so it is at a right angle with the rest of the device.

Next, twist it to the side as shown in the second picture. The lid should simply snap off.

Be careful not to apply too much force, as the lid may break.

Step 4

Use a #00 Phillips head screwdriver to remove the four (1.7x16 mm) screws from the back case.
Next, use the same screwdriver to unscrew the (1.7X5 mm) screw, which is located inside the battery compartment.

Use a #00 Phillips head screwdriver to remove the four (1.7x16 mm) screws from the back case.

Next, use the same screwdriver to unscrew the (1.7X5 mm) screw, which is located inside the battery compartment.

Step 5

Use a spudger to push in the two tabs located on the bottom of the device.
It works best to push the tabs at an upward angle (towards the top of the battery compartment)
It may take a decent amount of force in order to push in the tabs.

Use a spudger to push in the two tabs located on the bottom of the device.

It works best to push the tabs at an upward angle (towards the top of the battery compartment)

It may take a decent amount of force in order to push in the tabs.

Step 6

With a firm grip on the larger half, remove the back cover by lifting first on the battery area.
The back cover should lift cleanly off.

With a firm grip on the larger half, remove the back cover by lifting first on the battery area.

The back cover should lift cleanly off.

Step 7

              Motherboard

Using tweezers, pull upward on the black tape which secures the wires.
Removing this tape allows you to move the wires out of the way for the next step.

Using tweezers, pull upward on the black tape which secures the wires.

Removing this tape allows you to move the wires out of the way for the next step.

Step 8

Desolder all wires connecting components to the motherboard.
Be careful to not melt the solder points together.
A red wire and a blue wire connect the motor to the motherboard.
Two black wires connect the speaker to the motherboard.
A red wire and a black wire connect the microphone to the motherboard.

Desolder all wires connecting components to the motherboard.

Be careful to not melt the solder points together.

A red wire and a blue wire connect the motor to the motherboard.

Two black wires connect the speaker to the motherboard.

A red wire and a black wire connect the microphone to the motherboard.

Step 9

After desoldering the microphone connections, pull the microphone straight out from the device and set aside.
Be careful not to tear the wires off of the microphone.
Removing the microphone gives you access to the green ribbon cable that connects to the mechanism deck.

After desoldering the microphone connections, pull the microphone straight out from the device and set aside.

Be careful not to tear the wires off of the microphone.

Removing the microphone gives you access to the green ribbon cable that connects to the mechanism deck.

Step 10

Desolder the 4 connections of the green ribbon cable.
Pull upward on the green ribbon cable to separate it from the motherboard.
Be careful when pulling up the film as it may tear.

Desolder the 4 connections of the green ribbon cable.

Pull upward on the green ribbon cable to separate it from the motherboard.

Be careful when pulling up the film as it may tear.

Step 11

Using a #00 Phillips screwdriver, remove the two 1.4x3 mm screws securing the motherboard.

Using a #00 Phillips screwdriver, remove the two 1.4x3 mm screws securing the motherboard.

Step 12

If the replacement motherboard does not have the wire battery terminals attached, desolder the two battery connections on the motherboard.
Leave the wire battery terminals in place.
If the replacement motherboard has battery terminals attached, the connections do not need to be desoldered.

If the replacement motherboard does not have the wire battery terminals attached, desolder the two battery connections on the motherboard.

Leave the wire battery terminals in place.

If the replacement motherboard has battery terminals attached, the connections do not need to be desoldered.

Step 13

To remove the battery terminals, use a prying tool to push the lip of the metal wire towards the motherboard.
Lift up on the wire while the small lip is depressed and slide the wire terminals out of the plastic guides.
Be careful not to bend the wire terminals.

To remove the battery terminals, use a prying tool to push the lip of the metal wire towards the motherboard.

Lift up on the wire while the small lip is depressed and slide the wire terminals out of the plastic guides.

Be careful not to bend the wire terminals.

Step 14

Verify all of the connections have been desoldered and the screws removed.
Lift the motherboard upward to remove it from the microcassette-corder.

Verify all of the connections have been desoldered and the screws removed.

Lift the motherboard upward to remove it from the microcassette-corder.

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

Cancel: I did not complete this guide.

                                                                                      One other person completed this guide.

Author

                                      with 4 other contributors

                    Aimee Warner

Member since: 01/21/2012

82 Reputation

                                      1 Guide authored                  



                       Badges:
                       8







                                                        +5 more badges

Team

                       Cal Poly, Team 10-34, Amido Winter 2012                        

                                                  Member of Cal Poly, Team 10-34, Amido Winter 2012 



                    CPSU-AMIDO-W12S10G34                     


                                            4 Members                     


                                            7 Guides authored

antonioduran_61 - Jun 15, 2019

Buenas tardes,podrían colaborar me con las referencias de las resistencias de control de 2.4 y 1.2 del motor o guiarme donde puedo adquirir esta información. bendiciones mil gracias. Antonio

Introduction#

What you need#

Team#

Introduction

What you need

Team