Natus Medical Incorporated

Natus Newborn Hearing Screeners

ALGO 5 Newborn Hearing Screener Service Manual Rev D

Service Manual

44 Pages

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 1.6. Upgrade – Version 1.3.0 ...11 2. Routine Maintenance Procedure ...13 2.1. Inspecting Accessory Parts ...13 2.2. Cleaning the ALGO 5...13 2.2.1. Cleaning the Screener ...13 2.2.2. Cleaning the cart ...14 2.3. Safety testing ...14 2.3.1. Ground Integrity ...14 2.3.2. Earth leakage current ...15 2.3.3. Enclosure leakage current ...15 2.4. Performance verification ...16 2.4.1. Equipment Check for the ALGO 5 screener ...16 2.4.2. Component tests ...21 2.4.2.1. General ...21 2.4.2.2. ATA 5 Cable calibration due Warnings ...22 3. Troubleshooting Guide ...23 3.1. Troubleshooting the ALGO 5 ...24 3.2. Troubleshooting the Panel PC ...27 3.2.1. Replacing the battery for the RTC (Real Time Clock) on the Panel PC ...27 3.3. Troubleshooting the Isolation Transformer ...30 3.4. Troubleshooting the ATA 5 ...32 3.5. Troubleshooting the Preamp 5 ...33 3.6. Troubleshooting the PCA 5 ...35 4. Technical Troubleshooting Guide ...36 4.1. High Impedance ...36 4.2. High Myogenic ...37 4.3. High Refer Rate ...38 4.4. High Ambient ...39 5. Parts and Specifications ...40 5.1. How to order parts ...40 5.2. Parts list ...40 5.3. Specifications ...42 6. Index ...43  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 ...16 ALGO® 5 Newborn Hearing Screener Service Manual P/N 000976C RevD  3
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