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5.4 TROUBLESHOOTING GUIDE

Table

provides a general troubleshooting chart for use by a technician to isolate circuitry failures to

specific functional areas within the VHF radio.

NOTE

Miiponents within the radio are generally not field replaceable. Therefore repairs to the

radio typically go down to the PC board level only. A replacement parts iii for the

5200

can be found in Section 6.

Item Number

Symptom

Possible Cause

Unit does not turn on

a. Defective power switch

Fuse in power line open

c. Diode

open

d. Noise filter

open

e. Capacitor Cl19 and Cl20 shorted

f. Defective regulator

No sound with AF signal

a. Defective internal speaker

applied to pins 1 and 2 of

b. Defective

and/or associated

components

No sound with AF signal

a. Defective volume control

applied to volume control

b. Defective mute circuitry

Squelch circuit

a. Check squelch control

inoperative

Defective

/or associated circuitry

between pins 7 and 9

No receive

a. Defective regulators

b. Defective

B+)

c Check IC4 audio output voltage at pin 9

Defective AF amplifier

e. Defective mute circuitry

Check

output for 21.145 MHz signal

g. Check 21

output of first mixer

h. Check

output of ceramic filter IF amplifier

Check 21

output of first IF amplifier Q20

j. Check 455KHz signal from ceramic filter

k. Failure of VCO circuit

and/or PLL IC3)

Defective CPU

Low receiver sensitivity

a. Check antenna and connector for possible

corrosion or bad connection

Failure of the output from

and/or

c. Check the output level of

VCO per

5.3.1

Table 54 TROUBLESHOOTING CHART

Содержание Apelco 5200

Страница 1: ...Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine The names Raytheon and RTN are owned by the Raytheon Company ...

Страница 2: ......

Страница 3: ...R REMBDIB 5 SHALL BE BIhDINC ON APELCQ MARINE ELBCTROMCS INCLUDING WITHOt LIMPPATION ANY WARRAiVPlB8 OF MERCKAhTABILlTY OR FITNRSS FOR A PARTICULAR PURPOSE RI APELCO MARINE ELECFROMCS SHALL NOT BE LIABLE FOR ANT INCIDBNFAL CONSEQUE IAL OR SPECIAL INCLUDING PUNITIYE OR MULTIPLE DAMAGBS All A o Marine Electronics products sold or orovided hereunder are merely aids to navigation Ii is the reswasibiit...

Страница 4: ...hased From Purchase Date Dealer Address Installed By Installation Date Equipment Model Type No Serial No Owner s Name Mailing Address This part of the card should be completed and retained by owner Document Number G623068 Rev D 9194 UNITED STATES BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO 370 MANCHESTER NH I POSTAGE WILL BE PAID BY ADDRESSEE ATTN WARRANTY DEPARTMENT APELCO MARINE ELECTRONICS 6...

Страница 5: ...DGMENT AND THIS DEVICE SHOULD NOT BE RELIED UPON AS A SUBSTITUTE FOR SUCH PRUDENCE AND JUDGMENT APELCO MARINE COMPANY products are supported by a network of Authorized Service Representatives For product information you may contact the following regional centers UnitedStates Apelco Marine Company 676 Island Pond Rd Manchester N H 03109 Phone 603 647 7530 Europe Raytheon Marine Europe AnchoragePark...

Страница 6: ... 6 2 4 2 External Speaker Connections 7 2 4 3 Antenna Connections 8 2 4 4 Antenna Mounting Suggestions 8 2 4 5 Grounding 8 SECTION 3 OPERATIONS 3 1 INTRODUCTION 9 3 2 CONTROLS AND LCD DISPLAY 9 3 2 1 Controls 9 3 2 2 LCD Display 11 3 3 OPERATING pROCED RES 11 3 3 1 Turning the Power on 12 3 3 2 The 16pLUS prioff Channel 12 3 3 3 Channel Memory 13 3 3 4 Scan Mode 13 3 3 5 Master Reset 13 3 3 6 Moni...

Страница 7: ...MENTS AND SERVICE 22 5 3 1 PLLAdjusment 23 5 3 2 Frequency Adjustment 2 3 5 3 3 Modulation Adjustment 23 5 3 4 PowerOutputAdjustment 24 5 3 5 RFSensi tyAdjustmefi 24 5 3 6 Weather Alert Frequency Adjustment RECEIVER 24 5 4 TROUBLESHOOTING GUIDE 25 SECTION 6 PARTS LIST DRAWINGS 6 1 PARTS LOCATION LIST 27 6 2 ASSEMBLY DRAWlNG 21 6 3 BLOCK DlAG 5J pC BOARDS 3 1 6 4 INTERNAL WIRING DIAGRAM 33 SECTION ...

Страница 8: ...rking on another channel Channel designations as defined by the FCC Channel designations as defined by the international Telecommunication Union Channel designation as defined by the IC Channels for routine and emergency weather information broadcast by NOAA Transmit and receive on the same frequency Transmit and receive on different frequencies To suppress totally Liquid crystal display Transmit ...

Страница 9: ... is designed and manufactured to provide ease of operation with excellent reli ability The important built in features of the equipment are listed below Waterproofto U S C G standard CFR 46 All solid state circuitry for low current drain and maximum reliability Series diode protection on input power circuits to prevent reverse polarity damage High performance receiver section with optimum selectiv...

Страница 10: ...IED The following is a list of materials supplied with the VHF5200 Description Radiotelephone Instruction Manual Microphone Bracket w hardware Power External Speaker Cable FCC Instruction Mounting Yoke Yoke Knob Yoke Knob Spacer 22 1 OptionalAccessories Part No M56797 G623682 1 G623680 2 G623680 3 FCC Form 506 G623680 4 G623680 5 G623680 6 Table 2 2 Optional Accessories These optional accessories ...

Страница 11: ...cted location should be as far apart as is possible from any devices that may cause interference such as motors generators and other on board electronics l Generally speaking the transceiver should be protected from prolonged direct exposure to rain and salt spray It is always a good practice to protect your valuable electronic equipment as much as possible Use adequate sized wire for all DC power...

Страница 12: ... guide area 5 Using an appropriate saw cut along the outside of the cutout line 6 Remove the yoke knobs and the bracket from the VHF cabinet Check that the VHF will fit into the cutout area 7 Install the power and antenna cables in the console 8 Insert the trim ring in the console cutout and secure in place with the countersunk flat head screws A suitable sealant may be used between the trim ring ...

Страница 13: ...i i ig i igi F 1 1 i i i i i I b ff f J t J TgYi Fig 2 3 OUTLINE AND MOUNTING DIMENSIONS All dimensions are shown in inches and millimeters 5 ...

Страница 14: ... external speaker cable provided is fee3ong and plugs into the 4 pin connector cable at the rear panel of the radio The RED wire with an in line fuse 10 amps and the BLACK wire of the 4 pin connector cable are used for connecting the VHF5200 to the ship s 12 VDC power system Refer to Fig 2 4 POWER EXTERNAL SPEAKER CABLE CON RED DC INPUT BLACK DC INPUT YELLOW SPEAKER GREEN Nl3CTOR CABLE SPEAKER Fig...

Страница 15: ...quate current draw to the equipment Intermittent operation may result if an inadequate connection is made to the power source The connection terminals should be clean and with no sign of corrosion The RED wire is connected to the positive terminal of the power source or battery The BLACK wire is connected to the negative ground of the power source or battery Should the power polarity be inadvertan...

Страница 16: ... how it is mounted will directly affect the perfor mance of your VHF radio A standard VHF antenna which is designed for use aboard water craft should be used There are several factors to consider so as to maximize the effective communication range of the radio l SinceVHF transmissions are essentially Line of Sight mount the antenna at the highest possible location on the vessel The location should...

Страница 17: ...is held SQUELCH control Provides an adjustable input signal threshold to eliminate random RF background noise during no signal conditions This control sets the signal to noise ratio at which a signal will become audible I6 PLUS Key Used to Select channel 16 immediately This channel has been preset to channel 16 at the factory prior to shipment Refer to section 3 3 2 for instructions on how to chan...

Страница 18: ...lashing indicat ing All Scan is now the selected mode and will be initiated in three seconds More detailed operational information is available in Section 3 3 4 Scan Modes When the SCAN key is pressed and held for two seconds MEMORY will appear on the LCD and the channel that is selected when the key is pressed will be stored in memory A channel may be removed from memory by selecting the channel ...

Страница 19: ... be monitored is a weather channel MONITOR Will be displayed when the MON INT key is pressed This indicates the radio is in the MONITOR mode INT International USA Will be displayed when International channels are programmed for use INT is not displayed when US channels are programmed for use 0 TX Transmit Will be displayed on the LCD when the Push To Talk PTT switch is depressed indicating the tra...

Страница 20: ...e desired mode INT or USA by pressing and holding the WXIINT key fortwo seconds When INT is displayed International mode is selected When extinguised USA mode is active Then press the Push To Talk switch and speak into the microphone using a clear normal voice 2 When the power is initially turned on simply press the Push To Talk switch the radio will be ready for transmission on CH 16 or a user se...

Страница 21: ...ost for five seconds or the SCAN key is pressed To cancel memory scan press the SCAN key while the radio is scanning If you have one or more channels in memory and want to initiate Ail Scan perform the following Press the SCAN key SCAN and MEMORY will flash on the LCD Press the SCAN key again within three seconds and MEMORY will disappear from the LCD leaving only SCAN flashing All Scan will begin...

Страница 22: ...trolled Yes YeS 156 900 156 900 161 500 Com l Y e s YeS 156 950 156 950 161 550 Corn 1 Y e s YeS 1 57 000 IS7 OOLl 16X 600 Port Operations YeS YeS 157 oso 157 050 161 650 Coast Guard Y e s YaS 157 100 157 100 161 700 CoastGuard Yes Yes 157 1so 157 150 161 750 Coast Guard Yes Yes 157 200 161 800 161 800 Public Comesp N o Y e s 157 250 161 850 161 850 Public Corrwp N o YeS 157 300 161 900 161 900 Pu...

Страница 23: ... Yes 157 275 161 875 161 875 Public Gnesp N o Yes 157 325 161 925 161 925 Public Gnesp N o Yes 157 375 161 975 161 975 Public Corresp N o Yes 157 425 157 425 162 025 Corn 1 Yes N o Table 3 1 Continued 1Watt only c 1Watt initially User can override to high power 25 watts via front panel controls The transmitter is disabled when channels 75 and 76 are selected Channel 70 is now used for DSC calling ...

Страница 24: ...ch circuit by detecting a busy signal from the second IF circuit IC5 l Generates a beep tone when a key is activated on the keyboard l Mutes the transmitter modulation circuit when receiving l Controls the output power of the transmitter High Low l Controls the dividing ratio N of the PLL circuit l Switches On Off the transmitter power l Mutes AF audio l Detects a weather alert signal when in Moni...

Страница 25: ...rom Q4 is sent to the RF power amplifiers ICI Ql and Q2 through buffer amplifier Q3 The RF signal from ICI is fed to the antenna through a low pass titter The DC voltage correlative to the RF output is detected by 02 and Q9 amplified by Q24 and fed to ICI The output voltage from ICI controls the RF power to keep the RF output at a con stant level 4 3 3 Receiver Circuit 1 RF Circiut The signal from...

Страница 26: ...BLOCK DIAGRAM Fig 4 l VHF 5200 Block Diagram co ...

Страница 27: ...r than 4OdB below audio Audio Distortion Spurious Harmonic Emssions Less than 10 at 1 KHz for 3KHz deviation Attenuated at least 43 10 log PO below rated radiated carrier power per FCC Rules Parts 2 80 Antenna Impedance 50 Ohms Transmitter Protection Shall survive open or short circuit of antenna system without damage 10 min test Receiver Channels Frequency Range Frequency Stability Usable Sensiti...

Страница 28: ...sions Height Width Depth Weight 3 Watt or more at 10 or less distortion into 4 Ohm load Less than 4OdB 13 6 Vdck15 11 6 to 156Vdc Less than 5 8 amp at 25 Watts Less than 1 5 amp at 1 Watt 20 C to 5O C I Continuous 80 receive 20 transmit max 1 Omin 25 C 100 at 50 C for 8hours 54 mm 2 2inches 145 mm 5 7 inches 120 mm 14 72 inches Arwox 7509 1 7 lb 20 ...

Страница 29: ...is deparment should deal primarily with questions regarding Purchasing Parts and accessories authorized Apelco dealer locations basic product information and brochure literature requests Product Support 603 647 7530 ext 2444 Phone calls made to this deparment should deal primarily with the operation and technical aspects of Apelco Marine equipment When calling the above numbers your phone call wil...

Страница 30: ...ng the following adjustments TEST EQUIPMENT 1 DC Power Supply 2OV lOA set at 13 6Vdc 2 RF Power Meter 40W Oohn l50 200 MHz 3 RF Signal Generator 5Oohm Output l50 200MHz 4 FM Linear Detector FMLD or Deviation Monitor 150 200MHz 5 Frequency Counter 6 Digital Voltmeter DC Voltmeter 7 Oscilloscope any osilioscope accurate for audio signal tracing 8 SINAD Meter 9 Distortion Meter 10 Toggle Switch for u...

Страница 31: ...requency Adjustment TRANSMITTER 1 Connect the coupler output to a frequency counter set the radio on CH16 156800MHz key the transmitter and read the indication on the frequency counter 2 Adjust trimmer capacitor CVI on the RF module for the desired frequency l56800MHz 200 Hz on the frequency counter 5 3 3 Modulation Adjustment TRANSMITTER 1 Connect the coupler output to an FM linear detector Conne...

Страница 32: ...tion of the RF signal generator to 1 KHz 3 Hz 3 Set the output level of the RF signal generator and adjust T2 T6 and T301 on the RF module as shown in Table 5 3 See Fig 52 I Sequence Conditlon I Adj Point Target Level 1 CH BB 157 425MHZ SG output 60dBu I TZ T6 T301 Max Sensitivity 2 ICH WXO SG output 6dBu I Eii6 IOver 12 dB SINAD Table 5 3 5 3 6 Weather Alert Frequency Adjustment RECEIVER 1 Connec...

Страница 33: ...onents 3 No sound with AF signal a Defective volume control applied to volume control b Defective mute circuitry IC201 Squelch circuit a Check squelch control 4 inoperative b Defective IC4and or associated circuitry between pins 7 and 9 No receive Rx a Defective regulators IC7 5V b Defective QlB RX B c Check IC4 audio output voltage at pin 9 d Defective AF amplifier Q21 e Defective mute circuitry ...

Страница 34: ...at TPI on channel 60 g Failure of talk detection circuit IC201 Low RF power output a Check RF power output from ICl If it checks good check the triple Pi type network components C26 Ll 3 etc and antenna switching diode D4 If not good then check the voltage level outputs of the drive amplifiers Qland Q2 as well as the associated circuitry b Check power control circuit Q24 Q9 QlO and IC4 Poor or no ...

Страница 35: ...mp LA4485 G263720 10 IC6 Tone Detector BAI 604 IC7 5V Regulator 78M05 Ql cl2 cl3 CM Q5 Q6 8 11 15 23 Q7 Q9 QIO Main PCB Assembly Ant SW Ml 308 RF Power Det IS 45 RF SW lSVl28 ModNariICap ISV214 VCOAfarilCap KVI 832C SW ISS226 SW DAN202 Isolator DAN202 Isolator FMBG24 G623681 1 Xtal 32 768 Khz Xtal MF21 6 RB Xtal 21 I45 Khz Xtal 12 8 Mhz G263479 55 TX Driver 2SC3357 TX Pre Driver 2SC4226 Buff Amp 2...

Страница 36: ...r 2SK508 First IF Amp 2SC3123 High Pass Filter 2SC4116 CPU PCB ASSEMBLY SECTION CKT SYMBOL DESCRIPTION PART NO H200 CPU PCB Assembly LCD 211 G623682 2 IC201 IC202 IC203 CPU M34520M6 EEPROM 93LC46X Reset RH5VA45AA PL 201 Pilot Lamp 93 14V G263720 24 Q201 Q202 Sw 2sal298 SW DTCl24EKT VOLUME SQUELCH PCB ASSEMBLY CKT SYMBOL DESCRIPTION PART NO Volume Squelch PCB Assembly G623681 3 28 ...

Страница 37: ...Main PCB Bottom view Main PCB Top view CPU PCB Top view CPU PCB Bottom view Bottom view VOUSQ PCB Top view Fig 6 3 VHF 5200 PCB LAYOUT 32 ...

Страница 38: ...1 INTERNAL WIRING DIAGRAM POWER CORD 03 L1 sl P500 E s ii MAIN PC6 CNIOI MIC UNIT TOA0 TO CN202 Fig 6 4 INTERNAL WIRING DIAGRAM 3 3 ...

Страница 39: ...ning and end of each transmission l Be sure only qualified persons operate your radio You are responsible for control of your radio Know the rules l Limit calls to other vessels to 30 seconds If you receive no reply wait 2 minutes then try again Keep communications brief and avoid chit chat l Never transmit false distress messages and never use profanity on the air OTHER REMINDERS l Do not install...

Страница 40: ...ated Such associated ship units MAY NOT be operated from shore ii The transmitting power is limited to ONE WATT only iii The hand held transceiver must be identified by the call sign of the ship station along with its associated unit designator b Portable Ship Station The Commission may grant a station license permitting operation of a portable ship station aboard different vessels of the United S...

Страница 41: ...e on land and under the rules applicable to a ship station when the unit s are aboard a vessel FCC Form 503 application for Land Radio Station License is used when applying for a marine utility License USAGE GUIDE m Emwgmcy NSViptii PZJ Cslling u s coast Guwd state control Environmental WMhW 36 ...

Страница 42: ...broadcast y I ELI Calling Channel 16 Working Channel If you wish to establish communications with another station And you know which working channel the sta tion is monitoring Then initiate the call directly on that working channel If you wish to establish communications with another station And you do not know what working channel the station may be monitoring Theninitiate the call on channel 16 ...

Страница 43: ...oy a second receiver so that they can moni tor a working channel and channel 16 simulta neously Intership Safety Channel 6 Vessels Any Use Communicating navigational and weather warnings to other ships Communicating with U S coast Guard stations or other vessels during search and rescue opera tions Between Ship to ship only Comments Do not use for routine communica tions This is a safety channel 3...

Страница 44: ...l 16 and shift to channel 22 as directed Vessels Any Use Safety communications pertaining to the maneuvering of vessels or the directing of vessel movements Primarily ship to ship and secondarily ship to coast This is commonly called the Bridge to Bridge channel Large vessels and towboats depend on this channel for their safe navigation Railway or highway bridges which open for ship navigation oft...

Страница 45: ...way and designated major ports Comments Channel 72 may not be used for ship to coast communications Channel 9 is shared with Commercial users If you regularly monitor one of these channels with a second receiver please notify frequently called stations of this practice Help reduce con gestion on channel 16 40 Non commercial Boat Operations Channels 19 68 69 71 72 78 Vessels Recreational boats and ...

Страница 46: ...en Commercial transport vessels ship to Between Vessels and public coast stations ship or between commercial transport vessels and limited coast stations Channels 8 67 and 88 may not be used for ship Comments Contact the marine operator on the to coast communications channel assigned to your navigating area If unable to determine this channel use channel 16 Recreational boats are not permitted to ...

Страница 47: ...cerning the environmental conditions in which vessels oper ate weather sea conditions time signals notices to mariner hazards to navigation Between One way broadcast from coast to ship stations Note Currently used for Class C EPIRB emer gency signals Weather Channels WXl WX2 WX3 Vessels Any Use Continuous weather information from NOAA National Oceanic and Atmospheric Administra tion Between One wa...

Страница 48: ...miliar words radiotelephone users usually employ the international phonetic alphabet Phonetic alphabet A ALPHA J JULIET S SIERRA B BRAVO K KILO T TANGO C CHARLIE L LIMA U UNIFORM D DELTA M MIKE V VICTOR E ECHO N NOVEMBER F FOX TROT 0 OSCAR G GOLF P PAPA W WHISKEY X X RAY Y YANKEE H HOTEL Q QUEBEC z ZULU I INDIA R ROMEO 43 ...

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