Nautel NX15 User manual

Field Modification

FM13016D

NX15 to NX400

Transmitters -

Replacing the

Single-Board

Computer

Issue 1.0 ...........................08 May 2023

Nautel Limited

10089 Peggy's Cove Road,

Hackett's Cove, NS, Canada B3Z 3J4

T.+1.902.823.2233 F.+1.902.823.3183

[email protected]

U.S. customers please contact:

Nautel Maine, Inc.

201 Target Industrial Circle, Bangor ME 04401

T.+1.207.947.8200 F.+1.207.947.3693

[email protected]

e-mail: [email protected]

www.nautel.com

NX15 to-NX400 Transmitters - Replacing the Single-Board Computer (SBC) Page 1

FM13016D Issue 1.0

FM13016D: NX15 to NX400 Transmitters -

Replacing the Single-Board Computer (SBC)

Field Modification

1 INTRODUCTION

This document provides instructions for Nautel customers or their appointed agents to modify

the subject equipment in the field.

1.1 Reason for Modification

A new generic SBC (Nautel Part # 207-8720) must be used as the replacement if the original

fails. The new SBC is electrically compatible, but depending on the vintage being replaced,

there are physical differences in the connector locations/styles.

1.2 Equipment Affected

This modification affects the following NX series AM broadcast transmitters:

models with Nautel Part # 207-8710, 207-8710-01, 207-8710-02, 207-8998, 207-8998-01

SBC installed (containing UB97).

models with the original Door Computer assembly Nautel Part # 207-8708 or

207-8708-01 (containing UB66).

models with Field Mod # FM13016, FM13016A, FM13016B, or FM13016C installed.

If your transmitter or spare NAPC160* PWB was shipped between May 2019 and November

2021, please follow IS21007* – NX Series – Upgrading Controller Firmware (NX SW 5.0).

1.2.1 Minimum Software Required

Replacing the SBC requires that your NX transmitter have software version 4.0 (or 4.7 for

NX15), as a minimum. If the transmitter is operating with software version NX SW3.x or

earlier, follow the instructions in Information Sheet IS13005* in the latest software directory

located in www3.nautel.com/NX_Series/ to complete the required software update.

1.3 Responsibility for Implementation

This modification is written for qualified transmitter maintenance personnel.

1.4 Scheduling

Implement this procedure at the convenience of station maintenance personnel noting that

the transmitter will be “off-air” if a software upgrade is required.

1.5 Manpower Requirements

Completing this modification requires approximately one (1) hour.

1.6 Special Tools/Test Equipment

Standard Phillips screwdriver

7 mm nut-driver/socket

USB mouse for touch-screen calibration (if compact flash card is replaced)

USB Keyboard along with IS18005* (may be required for initial startup of the

transmitter - visit www3.nautel.com/NX_Series/ to obtain this IS document)

1.7 Materials

The parts required for this modification are contained in the provided Field Modification kit

(Nautel Part # 207-9005-05), see Table 1.

Page 2 NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC)

Issue 1.0 FM13016D

Table 1: Field Mod Kit - NX SBC Replacement (Nautel Part # 207-9005-05)

Qty Component Description

1 207-5160 QR Code Sheet_PRINT ME

1 219-2131 SSD Mod, Programmed

1 207-8720 Generic ULT5 SBC Assy, w/SATA SSD

1 UE301 Adapter, Cable, HDMI (Type A) to VGA (D-sub), w/Audio Out

1 207-5060-01 Cableset for NX/NV UB118 SBC (Field Mod)

1 206-8110 Mounting Bracket

1 206-8091 SBC Mounting Bracket

1 207-8292-03 SBC Cover

1 207-8999-02 Label Set, Single Board Computer (FM13016D)

6 HE22 Screw, Pan, Phil,6-32 x 3/8 Stainless Steel

6 HM13 Washer, Split, 6 Stainless Steel

6 HM36 Washer, Plain, Min, 6Stainless Steel

6 HMSF08 Screw, Flat, 90, Phil, 6-32 x 8 Lg, SS

4 HMSP08F Screw, Pan, Phil, M3 X 0.5 X 6LG, SS, C/W Split & Flat

1.8 Identifying Modified Assemblies/Parts

Identifying modified assemblies informs future maintainers of the current configuration. Mark

the transmitter with “FM13016D” next to the serial number label using indelible ink to indicate

it has been modified.

1.9 Publications Affected

The Single Board Computer Assembly (A40A1 – NX15 to NX50, or A65A1 for NX100 to

NX300, or A62A1 for NX400) has been replaced with Nautel part # 207-8720. Make the

following changes to the NX Troubleshooting manual:

NOTE

Strikethrough text in the following tables indicates existing information in the Troubleshooting

manual that requires editing. The text after is the new information to be added (i.e., P33-6 is

now P33-1).

NX15 to NX25

Section 2 – Parts Lists: note the following Part List changes:

Change A40A1 to 207-8720 in Figure 2.1 – NX15/25 Family Tree

Section 3 – Wiring/Connector Lists:

Make the following changes to Table 3.3 – NX25 Transmitter - Wiring List:

SOURCE DESTINATION WIRE # COLOUR SIZE REMARKS

A48U1TB3-18 A46K1-Chassis

229 Shield

P33-6 P33-1 A11A1TB1-11 233 232 Centre 24

P33-8 P33-2 A11A1TB1-12 233 232 Shield

U3-(V-) U4-(V-)

234 233 Black 10

Line 1-2 P35-1 235 234 Red 14

Line 2-2 P35-2 236 235 Brown 14

Line 3-2 P35-3 237 236 Gray 14

GND Near A48 P35-4 238 237 Grn/Ylw 14

P102-1 P101-4 238A Black 24

P102-6 P101-3 238B Red 24

P102-8 238 Shield 24

NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC) Page 3

FM13016D Issue 1.0

Make the following changes to Table 3.4 – NX25 Transmitter - Connector Mating

Information:

Connecto

Mate Comments

P30 A40A1U1CPU12V1 A40A1U1PWR2

P33 A40A1U1F_PANEL1 A40A1U1RST_BTN1

P36 A40A1UCOM3 Streaming Bus

W66P2 A40A1U1COM3 A40A1U1P102

W67P2 A40A1U1COM1 A40A1U1COM2

NX50

Section 2 – Parts Lists: note the following Part List changes:

Change A40A1 to 207-8720 in Figure 2.1 – NX50 Family Tree

Section 3 – Wiring/Connector Lists:

Make the following changes to Table 3.3 – Wiring List – NX50 Transmitter:

SOURCE DESTINATION WIRE # COLOUR SIZE REMARKS

A48U1TB3-18 A46K1-Chassis 229 Shield

P33-6 P33-1 A11A1TB1-11 231 230 Centre 24

P33-8 P33-2 A11A1TB1-12 231 230 Shield ─

Line 1-2 P35-1 232 231 Red 14

Line 2-2 P35-2 233 232 Brown 14

Line 3-2 P35-3 234 233 Gray 14

GND Near A48 P35-4 235 234 Grn/Ylw 14

P102-1 P101-4

235A Black 24

P102-6 P101-3 235B Red 24

P102-8 - 235 Shield 24

Make the following changes to Table 3.4 – NX50 Transmitter - Connector Mating

Information:

Connecto

Mate Comments

P30 A40A1U1CPU12V1 A40A1U1PWR2

P33 A40A1U1F_PANEL1 A40A1U1RST_BTN1

P36 A40A1UCOM3 Streaming Bus

W66P2 A40A1U1COM3 A40A1U1P102

W67P2 A40A1U1COM1 A40A1U1COM2

NX100

Section 2 – Parts Lists: note the following Part List changes:

Change A65A1 to 207-8720 in Figure 2.1 – NX100 Family Tree

Section 3 – Wiring/Connector Lists:

Make the following changes to Table 3.3 – Wiring List – NX100 Transmitter:

SOURCE DESTINATION WIRE # COLOUR SIZE REMARKS

A72U1TB3-18 A70K1-Chassis 229 Shield

P35-6 P35-1 A11A1TB1-11 231 230 Centre 24

P35-8 P35-2 A11A1TB1-12 231 230 Shield ─

P102-1 P101-4

231A Black 24

P102-6 P101-3

231B Red 24

P102-8 - 231 Shield 24

Page 4 NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC)

Issue 1.0 FM13016D

Make the following changes to Table 3.4 – NX100 Transmitter - Connector Mating

Information

Connecto

Mate Comments

P30 A65A1U1CPU12V1 A65A1U1PWR2

P35 A65A1U1F_PANEL1 A40A1U1RST_BTN1

P36 A40A1UCOM3 Streaming Bus

W66P2 A65A1U1COM3 W66P2(P102)

W67P2 A65U1COM1 W67P2(A40A1U1COM2

NX200 and NX300

Section 2 (NX200), Section 3 (NX300) – Parts Lists: note the following Part List changes:

Change A65A1 to 207-8720

Section 3 (NX200), Section 4 (NX300) – Wiring/Connector Lists: make the following

changes to:

Table 3.3: NX200 Transmitter – Rack 1 (Control Cabinet)

Table 4.3: NX300 Transmitter - Rack 1 (Control Cabinet)

SOURCE DESTINATION WIRE # COLOUR SIZE REMARKS

P35-6 P35-1 A11A1TB1-11 232 Centre 24

P35-8 P35-2 A11A1TB1-12 232 Shield ─

P102-1 P101-4 231A Black 24

P102-6 P101-3

231B Red 24

P102-8 - 231 Shield 24

Make the following changes to:

Table 3.5: NX200 Transmitter Rack 1 - Connector Mating Table

Table 4.6: NX300 Transmitter - Rack 1 - Connector Mating Information

Connecto

Mate Comments

P30 A65A1U1CPU12V1 A65A1U1PWR2

P35 A65A1U1F_PANEL1 A65A1U1RST_BTN1

P36 A65A1UCOM3 Streaming Bus

W66P2 A65A1U1COM3 W66P2(P102)

W67P2 A65U1COM1 W67P2(A65A1U1COM2

NX400

Section 2.2 – Parts Lists: note the following Part List changes:

Change A62A1 to 207-8720

Section 3.3 – Wiring/Connector Lists: make the following changes to:

Table 3.3: Wiring List - NX400 Transmitter - Cabinet 1 (Control Cabinet)

SOURCE DESTINATION WIRE # COLOUR SIZE REMARKS

P35-6 P35-1 A11A1TB1-11 232 Centre 24

P35-8 P35-2 A11A1TB1-12 232 Shield ─

P102-1 P101-4 231A Black 24

P102-6 P101-3

231B Red 24

P102-8 - 231 Shield 24

NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC) Page 5

FM13016D Issue 1.0

Make the following changes to:

Table 3.7: Connector Mating Information - NX400 Transmitter - Cabinet 1 (Control)

Connecto

Mate Comments

P30 A62A1U1CPU12V1 A62A1U1PWR2

P35 A62A1U1F_PANEL1 A62A1U1RST_BTN1

P36 A62A1UCOM3 Streaming Bus

W66P2 A62A1U1COM3 W66P2(P102)

W67P2 A62U1COM1 W67P2(A62A1U1COM2

All NX Models:

Section 4 (NX15 to NX200 and NX400), Section 5 (NX300) – Electrical Schematics

Insert the applicable replacement Electrical Schematic included in this document and

discard the old schematic:

Electrical Schematic SD-3 - Control/Monitor Stage in the NX Troubleshooting

Manual with the applicable schematic provided with this document.

2 REPLACEMENT PROCEDURE

Remove the SBC as follows:

NOTE

The replacement SBC assembly is static sensitive and can be damaged by electrostatic

discharge (ESD). Observe the static precautions described in the NX series technical

documentation.

(a) Open the front door of the NX transmitter to access the SBC.

(b) Remove the old SBC cover (Nautel part # 207-8292) using a 7-mm nut-driver/socket to

remove the seven (7) M4 hardware, which holds the SBC's protective cover to the front

door of the transmitter. Retain hardware. See Figure 1.

Figure 1: SBC Cover Removal

Page 6 NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC)

Issue 1.0 FM13016D

(d) Disconnect the remaining connectors from the SBC as follows:

No label – VGA

No label – COM

W66P2 – SBC Streaming Bus

W67P2 – SBC External Serial

P33 (NX25/NX50) or P35 (NX100 to NX400) – SBC Reset

(e) Using the label set (Nautel Part # 207-8999-02) provided with the Field Modification kit,

replace where applicable or apply new mating labels to connectors P30, P33 (or P35),

P36, P37, COM2, VGA, U10HDMI, W67P2 and W66P2 to reflect their new mating

connectors as shown in Table 2. Label both ends of COM2 and P101/P102 cable.

NOTE: Use labels "A40" for NX25/NX50 (e.g., A40A1U1PWR2). Use labels "A65" for

NX100 to NX300 (e.g., A65A1U1PWR2). Use labels “A62 for NX400 (e.g.,

A62A1U1PWR2).

Table 2: Mating Connections

Connector Connects to:

P30 A**A1U1PWR2

P33 or P35 A**A1U1RST_BTN1

P101 A**A1U1COM3

W66P2 P102

P102 W66P2

COM2 A**A1U1COM2

COM2 W67P2

W67P2 COM2

VGA A**U10VGA

A**U10HDMI A**A1U1HDMI

COM (unlabeled) A**A1U1COM1

** - Reference designation prefix is transmitter dependent (A40, A65,

A62); see NOTE above

(f) If no SSD Drive is installed, skip to step (i). Disconnect the cables from the SSD Drive

(Nautel part # UX174), noting destinations.

(g) Remove the three (3) M3 screws securing the SSD Drive and retain. Refer to Figure 2 for

steps (f) and (g).

Figure 2: SSD Drive Removal

NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC) Page 7

FM13016D Issue 1.0

(h) Remove the four (4) M3 screws and the three (3) M3 pillars (Nautel part # HPM45)

securing the SBC to the chassis. See Figure 3.

Figure 3: SBC Hardware Removal

(i) Remove the SBC and discard. See Figure 4.

Figure 4: SBC Removal

Page 8 NX15 to NX400 Transmitters - Replacing the Single-Board Computer (SBC)

Issue 1.0 FM13016D

(j) Install the new SBC Mounting Bracket (Nautel part # 206-8091) using the seven (7) M4

screws (Nautel part # HMSF08). See Figure 5.

Figure 5: SBC Bracket Installation

(k) Install the new SBC (Nautel part # UB118) to the SBC Mounting Bracket using the six (6)

sets of 6-32 hardware. Leave the two indicated screws loose for SSD installation in step

(m). See Figure 6.

Figure 6: SBC installation

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