WamBlee W400 MOB Manuale utente
W400 Rescue-MeTM
Service Manual
Ed. 1.00.0
4/2010
2
Index
1 Introduction........................................................................................................................................5
2 Recommended list of test equipment to service the W400................................................................7
3 To return the W400 M B to Wamblee s.r.l........................................................................................9
4 Verifying W400 M B performance.................................................................................................11
4.1 Verify the test mode functionality.............................................................................................11
4.2 Verify the alarm operation mode (manual activation)..............................................................12
4.3 Verify the alarm operation mode (sea sensor activation)..........................................................13
4.4 Instrumental verification...........................................................................................................14
4.5 Verify the modulation signal.....................................................................................................14
4.6 Verify the beeper loudspeaker...................................................................................................15
4.7 Verify the sea sensor switch......................................................................................................15
4.8 scillator circuit.......................................................................................................................16
4.9 Verify the power amplifier circuit.............................................................................................16
4.10 Power supply circuit...............................................................................................................17
4.11 Microprocessor unit................................................................................................................17
5 Schematic diagrams..........................................................................................................................19
5.1 Introduction...............................................................................................................................19
6 Mechanical diagrams........................................................................................................................29
6.1 Introduction...............................................................................................................................29
6.2 Mechanical components list.....................................................................................................33
7 Instrument waveform pictures..........................................................................................................35
7.1 Introductions.............................................................................................................................35
Pictures
Figure 1: Schematic diagram................................................................................................................21
Figure 2: PCB Layout top view............................................................................................................23
Figure 3: Mechanical layout exploded.................................................................................................31
Figure 4: Modulation signal described in Chapter 4.5.........................................................................35
Figure 5: Beeper tone...........................................................................................................................36
Figure 6: Flash light strobe signal........................................................................................................37
Figure 7: RF emission in TEST mode..................................................................................................38
Figure 8: RF emission in ARMED mode.............................................................................................39
Figure 9: Magnete position for ARMED activation.............................................................................40
Tables
Table 1: Recommended list of test equipment to service the W400 M B............................................7
Table 2: Electronics component list.....................................................................................................27
Table 3: Mechanical component list.....................................................................................................33
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1 Introduction
If the W400 MOB is under warranty, you must return it to Wamblee s.r.l. or service dealer
available on www.wamblee.it , for all service work covered by the warranty. See To return the
W400 MOB to Wamblee s.r.l. on page 9. If the warranty period has expired, you can still return
the device to Wamblee s.r.l. for all service work. Contact your nearest Wamblee Sales Office for
additional details on service work.
If the warranty period has expired and you decide to service the device yourself, the instructions
in this chapter can help you keep the W400 operating at optimum performance.
This chapter is divided into the following four sections:
•Verifying W400 performance on page 11-17.
Schematic diagram on page 21-23
•Replacing Parts in the W400 on page 31-33.
Service should be performed by trained service personnel only.
5
6
2 Recommended list of test equipment to service the W400
Equipment Critical specification Recommended model / Part Use1
Digital multimeter 0.1 mV resolution, better than 0.01% accuracy. Agilent 34401A P,T
Oscilloscope 300 MHz, 1 M ,Ω 10:1 Probe Agilent P,T
Power supply From 3 to 10 Volts, 0.1 Volts resolution , 1 A
continuous.
Agilent P
Power meter and sensor 1 to 500 MHz , ±3% accuracy Agilent P,T
Frequency meter 1 to 300 Mhz , 10 Hz resolution Agilent P,T,A
Spectrum analyzer 1 to 1000 MHz, 100 dB dynamic range Agilent P,T,A
Coaxial BNC connector plus
50Ω coaxial cable, 1
meter.
Loss less than 20 dB / 100 meters Not defined P,T,A
50ΩDummy load
attenuator
1 Watt minimum, 10 dB loss Not defined P
Table 1: Recommended list of test equipment to service the W400 MOB
1P = Use for performance verification.
A = Use for adjustment verification.
T = Use for troubleshooting.
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8
To return the W400 MOB to Wamblee s.r.l.
Before shipping the W400 MOB to Wamblee s.r.l., contact your nearest Wamblee s.r.l. Sales
Office for additional details.
Write the following information on a tag and attach it to the W400 MOB:
•Name and address of owner
•Model number
•Serial number (if any)
•Description of service required or failure indications
•Remove all battery from the W400 MOB.
•Pack the W400 MOB in the original ackaging or use other ackaging solution with
styrofoam or other shock-absorbing material.
•Seal the shi ing container securely.
•Mark the shi ing container as FRAGILE.
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Indice
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