Table Of Contents; List Of Figures And Tables - natus ALGO 5 Service Manual

Table of Contents

List of Figures and Tables ..............................................................................................................................3
1. Introduction ............................................................................................................................................5
1.1. About this manual..........................................................................................................................5
1.1.1. Overview...............................................................................................................................5
1.1.2. Intended users ......................................................................................................................5
1.1.3. Manual conventions..............................................................................................................5
1.2. Product description........................................................................................................................6
1.3. Pictorial introduction to the ALGO 5..............................................................................................7
1.4. Before you start ...........................................................................................................................11
1.5. Contacting your Natus Technical Service ...................................................................................11
2. Routine Maintenance Procedure .........................................................................................................12
2.1. Inspecting Accessory Parts.........................................................................................................12
2.2. Cleaning the ALGO 5 ..................................................................................................................12
2.2.1. Cleaning the Screener........................................................................................................12
2.2.2. Cleaning the cart ................................................................................................................13
2.3. Safety testing...............................................................................................................................13
2.3.1. Ground Integrity..................................................................................................................13
2.3.2. Earth leakage current .........................................................................................................14
2.3.3. Enclosure leakage current..................................................................................................14
2.4. Performance verification .............................................................................................................15
2.4.1. Equipment Check for the ALGO 5 screener.......................................................................15
2.4.2. Component tests ................................................................................................................20
2.4.2.1. General ...............................................................................................................................20
2.4.2.2. ATA 5 Cable calibration due Warnings ..............................................................................21
3. Troubleshooting Guide.........................................................................................................................22
3.1. Troubleshooting the ALGO 5 ......................................................................................................23
3.2. Troubleshooting the Panel PC ....................................................................................................25
3.2.1. Replacing the battery for the RTC (Real Time Clock) on the Panel PC.............................25
3.3. Troubleshooting the Isolation Transformer .................................................................................28
3.4. Troubleshooting the ATA 5 .........................................................................................................30
3.5. Troubleshooting the Preamp 5....................................................................................................31
3.6. Troubleshooting the PCA 5 .........................................................................................................33
4. Technical Troubleshooting Guide ........................................................................................................34
4.1. High Impedance ..........................................................................................................................34
4.2. High Myogenic.............................................................................................................................35
4.3. High Refer Rate...........................................................................................................................36
4.4. High Ambient...............................................................................................................................37
5. Parts and Specifications ......................................................................................................................38
5.1. How to order parts.......................................................................................................................38
5.2. Parts list.......................................................................................................................................38
5.3. Specifications ..............................................................................................................................40
6. Index ....................................................................................................................................................41

List of Figures and Tables

FIGURE 1: ALGO 5 - front view ...................................................................................................................7
FIGURE 2: ALGO 5 - rear view (cover removed) ........................................................................................8
FIGURE 3: DSP Box.......................................................................................................................................9
FIGURE 4: Preamplifier 5 (Preamp 5)............................................................................................................9
FIGURE 5: Acoustic Transducer Assembly (ATA 5) ....................................................................................10
FIGURE 6: Patient Cable Assembly (PCA 5)...............................................................................................10
FIGURE 7: Main Window .............................................................................................................................15
FIGURE 8: ALGO Check Kit.........................................................................................................................15
ALGO® 5 Newborn Hearing Screener Service Manual
P/N 000976 Rev.A
3