WamBlee W400 MOB Service Manual Download Page 21 | Manualshive

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Figure 1: Schematic diagram

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Summary of Contents for W400 MOB

Page 1: ...W400 Rescue MeTM Service Manual Ed 1 00 0 4 2010 ...

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Page 3: ...0 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 Fig...

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Page 5: ...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 pag...

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Page 7: ...nt 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 50Ω Dummy load attenuator 1 Watt minimum 10 dB loss Not defined P Table 1 Recommended list of test equipme...

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Page 9: ...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 packaging or use other packaging solution with styrofoam or other shock absorbing material Seal the shipping container securely Mark the shipping container as FRAGILE 9 ...

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Page 11: ... Main switch in OFF position is a standard operation performed from the user before to wear the W400 MOB The test mode functionality do these checks Check the battery status Show the battery status using beeper and green led Check make a single flash light Send radio signal using low power mode To proceed to the test mode verification please Connect the coaxial cable placed on the W400 instead of ...

Page 12: ...dB After 10 seconds and or 3 times short beep sequence the W400 MOB shall go in OFF mode all led s go OFF no beeper and no radio emission 4 2 Verify the alarm operation mode manual activation The alarm operation mode Main switch in ARMED position manual activation is a standard operation performed when then W400 MOB is activated via TEST button The alarm operation mode do Check the battery status ...

Page 13: ...n mode sea sensor activation The alarm operation mode Main switch in ARMED position sea sensor activation is a standard operation performed when then W400 MOB is activated via Man Over Board situation The alarm operation mode do Check the battery status Show the battery status using green led Make white lighting flash every 3 seconds Send radio signal using high power mode To switch off the W400 M...

Page 14: ...cted in these condition DC power supply 9 Volts 1 A capacibility Device on dummy load Usually in TEST mode no magnetic rod on reed sensor Different setup test shall be defined during specified measurements 4 5 Verify the modulation signal The modulation signal is generated via microprocessor with clock divider operation and value reload There are non tools or adjustment required to set or calibrat...

Page 15: ...ms div Probe Hi Z 10 1 Connect the probe to ground and the tip on Q1 base node see TP2 on Figure 2 and press the TEST pushbutton you can leave the W400 MOB in TEST mode For 10 seconds shall be visible the graphics as figure 5 with a minimum performance of Voltage peak peak min 8 Volts DC voltage ref 0 Volts Frequency shall be variable according beep sequence 4 7 Verify the sea sensor switch The se...

Page 16: ...ng a cascode amplifier U6 4 9 Verify the power amplifier circuit To verify the functionality of the PA stage shall be connected a coaxial cable with a BNC terminal to the TP3 see figure 2 than connect the BNC connector to a spectrum analyzer and set the instrument as Frequency central 121 5 MHZ Span 5 Mhz Resolution Bandwidth 50 Khz Video Bandwidth 3 Mhz Top level 0 dBm Scale 10 dB div Press the T...

Page 17: ... power supply control is under microprocessor using Q9 instead when the unit is under ARMED mode the power is controlled via D6 Follow the Q10 switch is placed a linear voltage regulator U10 a 3 3 Volts regulator for logic supply 4 11 Microprocessor unit The microprocessor unit is U1 all operation are made from this unit and all clock signal are generated using a internal oscillator no external cl...

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Page 19: ...diagrams 5 1 Introduction Follow are reported schematic diagram and layout of the W400 MOB Please take note that some parts are designed but not installed because are optional items for different product design 19 ...

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Page 21: ...21 Figure 1 Schematic diagram ...

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Page 23: ...23 Figure 2 PCB Layout top view TP1 TP2 TP3 TP4 ...

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Page 25: ...3 C31 1n 0603 NP0 16V PASSIVE SM0603 C32 27p 0603 NP0 16V PASSIVE SM0603 C34 2u2 0603 Y5V 6V3 PASSIVE SM0603 C35 47p 0603 NP0 16V PASSIVE SM0603 C36 47p 0603 NP0 16V PASSIVE SM0603 C37 27p 0603 NP0 16V PASSIVE SM0603 C38 1u 0603 Y5V 16V PASSIVE SM0603 C39 1u 0603 Y5V 10V PASSIVE SM0603 C40 1200uF 10V Serie FP case G PASSIVE PANASONIC_G PANASONIC EEEFPA122UAP C41 1n 0603 NP0 16V PASSIVE SM0603 C42 ...

Page 26: ...T SOT23 ACTIVE SOT23 123 NXP Q13 Si2318DS SOT23 ACTIVE SOT23 SDG VISHAY Q14 PDTC114ET SOT23 ACTIVE SOT23 123 NXP Q15 BC807 40W SOT323 ACTIVE SOT323 132 NXP Q16 PDTA114ET SOT23 ACTIVE SOT23 123 NXP R1 10R 0603 1 PASSIVE SM0603 R2 22k 0603 1 PASSIVE SM0603 R3 3k3 0603 1 PASSIVE SM0603 R4 12k 0603 1 PASSIVE SM0603 R5 10R 0603 1 PASSIVE SM0603 R6 10R 0603 1 PASSIVE SM0603 R7 100k 0603 1 PASSIVE SM0603...

Page 27: ... PASSIVE REED_MK17_2 MEDER MK17 2 SW2 TACTS SKHHDUA010 PASSIVE SKHHDUA010 ALPS SKHHDUA010 U1 P89LPC915FDH NXP ACTIVE SSOP14 NXP P89LPC915FDH U2 LMC7101 SO NS ACTIVE SOT23 5 NATIONAL LMC7101 U6 BGA416 ACTIVE SOT143 INFINEON U7 BGA416 ACTIVE SOT143 INFINEON U8 74V2T66 ACTIVE SOT23 8L STM 74V2T66STR U9 DS28CM00 ACTIVE SOT23 5 MAXIM U10 L4931 SO8 ACTIVE SO8 STM L4931CD33 X1 Quarzo 121 5 MHz UM 1J PASS...

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Page 29: ...d mechanical diagram exploded view of the W400 MOB Please take note that some parts are assembled together during production phase and are cannot delivered as single spare parts Check the part list and place order only for Sub Assembly code as spare parts 29 ...

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Page 31: ...31 Figure 3 Mechanical layout exploded ...

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Page 33: ...er 14 2 C20082 As part of S20001 Wire cable kit Cabling 15 1 S20001 S20001 PCB Board Electronics 16 1 C20098 As part of S20004 Lugs Fastener 17 1 C20202 Screw M3 x 5 Inox A2 Screws Bolts 18 2 C20203 Flat Washer 6 x 3 2 x 0 5 Screws Bolts 19 2 C20204 Locknut M3 Inox A2 Screws Bolts 20 3 C20600 Battery Electronics 21 1 C20400 Gasket Plastic and rubber 22 4 C20209 As part of S20003 Insert M3 Screws B...

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Page 35: ...d all instrument waveform picture described in this service manual Any picture are captured from the instrument defined in Table 1 The use of different instrument with the same performance don t affect the measurement result 35 Figure 4 Modulation signal described in Chapter 4 5 ...

Page 36: ...36 Figure 5 Beeper tone ...

Page 37: ...37 Figure 6 Flash light strobe signal ...

Page 38: ...38 Figure 7 RF emission in TEST mode ...

Page 39: ...39 Figure 8 RF emission in ARMED mode ...

Page 40: ...40 Figure 9 Magnete position for ARMED activation ...

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