LDA Audio Tech NEO Series User manual

Support Handbook
Repair procedure of NEO serie devices
Spare part: NEOPBV02P01

1 SECURITY INSTRUCTIONS
1. Please read these safety instructions carefully.
2. Save this user's manual for future use.
3. Unplug the device from the power adapter (AC) befre cleaning it.
4. Do not use liquid or spary detergent to clean the device.
5. Use a cloth for cleaning.
6. Do not expose this device to moisture.
7. Install the device on a safe surface, otherwise the device may fail and be
8. The oenings in the housing are for air circulation, do not allow overheating. DO
NOT OBSTRUCT OPENINGS SOCKETS.
9. Place the power cord whter people do not step on it or trip on it. Do not place
objects on the power cord.
10.Always follow all warnings and instructions that the device can give you.
11.If the device is not used for serveral days, disconnect the power supply to avoid
overloading. Never pour liquid into the openings of the device, it may cause a fire or
electric shock.
12.Never open the device. For safety reasons, the device should only be opened by
qualified personnel.
13.Pay attention to the connection polary when the device is powered by a DC power
source. A polarity of reverse connection, can cause damaged to the device or the
power supply.
14.Allow you qualified personnel to check the device, if any of these situations occur:
a) The power cord or power outlet is damaged.
b) Liquid has entered the device.
c) The device has been exposed to humidity.
d) The device doesn`t work fine or doesn`t work according to the instruction
manual.
e) The device has fallen down or is damaged.
f) If the device has obvious signs of damage.
15.Disconnect the audio inputs and outputs when making connectiones. Be sre to use
the proper cables to make the connections.

2 REPLACEMENT BOARD
2.1 Picture.
Find below an image of board NEOPBV02P01.
2.2 Description.
NEO motherboard, with line level input and ACSI bus connection. Connections for
input and output card modules as well as line sensibilities.
3 FAULT DETECTION (INSPECTION POINTS)
The device has errors in inputs/outputs and/or level sensibility. Breakage due to bad
connection/dishcarge in some input.
Warnings:
•Check if power supply board works correctly.
Ilustration 1: NEOPBV02P01

4 REPAIR PROCEDURE
1º Open the cover of the NEO device, removing the screws shown below and
sliding the cover toward the back fo the device.
1 LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, ESPAÑA. Tl : [phone]
Ilustration 3: Location screws on the cover, left side
Ilustration 2: Locatin srews tin the NEO cover

2º Remove the ETX module from the rear by removing its two fixing screws.
LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, ESPAÑA. Tl : [phone]
Ilustration 4: Location screws in the cover, ri ht side
Ilustration 5: Location of the Base Plate module on the device

3º Disconnect the connections and remove the indicated screws.
3 LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, ESPAÑA. Tl : [phone]
Ilustration 6: Location of the Motherboard Plate module in the device, once the
ETX module has been removed.
Ilustration 7: Location of connections and screws to be extracted

4º Li t the cover rom the back-panel connection to ETX module. Extract it.
LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, ESPAÑA. Tl : [phone]
Ilustration 8: Removing the back panel
Ilustration 9: Back panel already extracted

5º Turn the plate and extract the input – output modules as shown in the illustration,
releasing the ixing o the modules.
Pay special attention to the order o connection o the modules when replacing them. The
irst one on the le t o the illustration is the NEOOUTSOD8V01P01 module, the other three
are the NEOINS0D8V01P01 modules. For assembly, proceed in reverse order.
5 VERIFICATION OF OPERATION
Check if power LEDs ligths work correctly.
Check if device run noramlly and check all functions of inputs/outputs and sensibility
of channels.
5 LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, ESPAÑA. Tl : [phone]
Illustration 10: Detail input output sensibility modules

LDA Audio Tech - Severo Ochoa Nº 31- 29590 MÁLAGA, ESPAÑA. Tl : [phone]