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FONIX 8000
Frye FONIX 8000 Manuals
Manuals and User Guides for Frye FONIX 8000. We have
1
Frye FONIX 8000 manual available for free PDF download: Maintenance Manual
Frye FONIX 8000 Maintenance Manual (60 pages)
Hearing Aid Test System
Brand:
Frye
| Category:
Test Equipment
| Size: 1 MB
Table of Contents
Table of Contents
3
Chapter 1: Overview
7
Signal Generation Overview
8
Digital Basis of the Composite Signal
8
Component Amplitude Weighting Considerations
8
Phase of the Components
8
Signal Detection Overview
8
Fast Fourier Technique
8
Special Distortion Measurements
9
Chapter 2: Specifications
11
Acoustical Outputs
11
Telecoil Outputs
11
Battery Current
11
Digital Readout of Sound Pressure Level
12
Harmonic Distortion Analyzer
12
Attack/Release
12
Available Tests
12
Power
12
Electronics Module
13
Printer, Internal
13
Test Chamber
13
Environmental Conditions
14
Monitor Headset
14
Guarantee
14
Chapter 3: Specification Test Procedure
15
Source Frequency Accuracy
15
Digital Measurement and Readout of SPL Accuracy
15
Source Attenuator Accuracy
15
Source Output Amplitude Accuracy
16
Telecoil Drive Current Accuracy
16
Battery Simulator Voltage Accuracy
17
Chapter 4: Circuit Description
19
General Description
19
The Following Boards Are Used in the 8000 Main Module
19
The Following Boards Are Used in the 8050 and 8120 Sound Chambers
19
The Probe Remote Module Has
19
The Single Board Computer(SBC) Has
19
The Parallel Interface Board Has
19
The Printer Interface Board Has
19
The Daughter Board Has
20
The Front Panel Keyboard Has
20
The Connector Board Has
20
The Chamber Board Has
20
The Turntable Board Has
20
The Breakout Board Has
21
The Probe Board Has
21
System Block Diagrams
21
8000 With 7020 Chamber Partial System Block Diagram
21
8000 With 8120 Chamber System Block Diagram
22
Circuit Block Diagrams
23
Daughter Board Block Diagram
23
Connector Board Block Diagram
24
Chamber Board Block Diagram
25
Probe Board Block Diagram
26
Turntable Board Block Diagram
26
Breakout Board Block Diagram
27
Circuits Detailed Description
27
Source Circuits Signal Flow
27
Measurement Microphone Circuits Signal Flow
30
SBC to Microcontroller Digital Communication Interface
32
Power Supply and Voltage Regulators
33
Keyboard Interface Circuits
35
USB Circuits
35
Turntable Circuits
36
LED Circuits
36
Battery Simulator Circuits
37
Thermal Printer Circuits
37
Misc Circuits
38
Chapter 5: Calibration
39
Microphones
39
Calibrating the Coupler Microphone
40
Calibrating the Probe Microphone
40
Calibrating the Rectangular Reference Microphone
41
Chapter 6: Service and Repair
43
Fuse Replacement
43
Line Fuse Replacement
43
Connector Board Fuse Replacement
43
Daughter Board Fuse Replacement
43
Electronics Module
44
Removal and Replacement of the Wrap-Around
44
Removal and Replacement of Circuit Boards
44
Removal of Bezel
45
Replacement of Keyboard
46
Replacement of Printer
46
Replacement of Switching Power Supply
47
8000 Computer Connection (Usb/Serial)
47
Chapter 7: MAINTENANCE
49
Chapter 8: Safety Information
51
Rear Panel Safety Markings
51
Safety Classification for IEC 60601-1
52
Connection of Peripheral Equipment to the 8000
52
Electromagnetic Compatibility
53
Disposal of the 8000 and Accessories
53
Chapter 9: Electromagnetic Compatibility
55
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