E.F. Johnson Company 9800 SERIES Page 121 Service Manual Download

Page: 121 / 127

6-29

February 2001

Part No. 001-9800-001

C529

R520

C537

C516

R518

C515

R519

Q506

C517

C522

L501

C531

C526 R521

C525

R523

R522

C520

C528

R857

R830

R836

C813

R837

R832

C844

C827

R860

R856

C847

C846

R859

R858

C845

C817

C808

C807

R833

C822

R839

C818

R861

C826

R827

C850

R843

R842

C848

C521

L801

CR802

Q805

Q806

CR801

CR800

Q801

Q802

Q800

L800

+ C814

A900

VCO

R849

+ C831

R851

C836

C837

R853

R852

+C839

R854

C840

R848

R838

C821

C816

C812

C81

C824

C823

R846

C845

C833

Q804

Q803

R835

R825

C819

C828

C829

R831

C843

C849

C815

U804

C838

C834

C835

R841

R821

C809

R826

C820

C302

C841

R823

R824

R819

R817

R850

R245

R246

R247

C283

C286

R244

R834

R840

L201

R225

C842

R818

C830

C832

R829

C255

C243

C285

R855

U806

REF OSC

U802

U803

U800

R226

Q206

Q205

Q207

+ C825

C275

R232

C301

R248

C287

C284

C290

R258

C303

R259

L217

L219

+ C294

C295

C298 R253 R297

C296

R230

R228

C273

C288

R249

C304

R256

R252

C293

C277

R231

C276

C299

C300

R254

R257

R251

R250

C292

R255

C278

R242

C282

R229

C279

C248

R214

C247

L218

U201

W201

L220

MP2

Z205

Z202

Z206

W2O2

CR210

CR208

CR209

CR207

R240

R241

R234

R280

C281

R239

C271

R238

C289

C268

C267

C265

R212

C231

C246

C245

R217

C291

R233

R237

C270

C272

C269

C266 R210

C232

R211

C264

R213

L214

L215

L213

Z204B

Z204A

Q202

Q203

R219

C249

R218

C250

R221

R222

C244

R206

R205

R207

R208

C228

R216

R215

C223

C224

C226

C225

C222

R209

C227

Q201

C214

CR203

Q200

L207

MP3

Z201

Z200

C556 +

C557

C558

L200

C202

C507

R200

CR200

C561 +

+ C552

U501

C553

C562

R543

C566

R540

R546

R816

Q509

C511

C305

C805

R820

R828

C806

C801

C555

C560

R547

C506

C509

C508

C510

C803

C306

R822

C810

C804

C559

R533

C554

C802

C800

R811

R813

R812

R815

R539

C563

C564

R814

U502

J201

J501

U801

R808

R809

R806

R803

R800

R527

F500

CR504

Q514

C549

+ C548

C537

C550

C551

C534

CR506

R807

R541

CR505

Q510

C565 +

Q500

R804

R810

R801

R805 R802

R544

R504

C503

R509

R508

R535

R526

R536

Q511

Q512

CR501

C504

Q503

R505

CR503

R514

R512

C500

C502

R502

CR502

C501

R545

R507

Q508

U500

R538

R542

R517

R503 R500

R515

R516

C547

CR803

Q505

Q504

C512

Q513

R525

R524

CR500

Q502

C513

R501

R510

C513

C514

C532

Q501

R51

C505

R506

L503

EP502

L502

L504

EP501

C530

C518

C519

C523

Q507

C524

R530

C527

R529

R531

R863

R862

R528

R548

R549

C599

Z203

MP4

MP5

RF BOARD LAYOUT (900 MHZ)

Summary of Contents for 9800 SERIES

Page 1: ...MANUAL 984X SERIES UHF 988X SERIES 800 MHZ 989X SERIES 900 MHZ 25 or 40 Watts UHF 15 or 30 Watts 800 900 MHz 13 6 VDC Part No 242 98xx xxx First Printing January 2001 Supersedes Part No 001 9800 200 9 99 Remote Mount ...

Page 2: ...and commercial customers The company designs manufactures and markets conventional and trunked radio systems mobile and portable subscriber radios repeaters and Project 25 digital radio products Viking Head EFJohnson logo LTR LTR Net Multi Net and Call Guard are trademarks of the E F Johnson Company SMARTNET and SmartZone are trademarks of Motorola Inc All other company and or product names used i...

Page 3: ...odels 2 9 3 CIRCUIT DESCRIPTION 3 1 GENERAL TRANSCEIVER DESCRIPTION 3 1 Introduction 3 1 Circuit Protection Fuses 3 1 Synthesizer 3 1 Audio Logic Board 3 1 Receiver 3 2 Transmitter 3 2 3 2 POWER DISTRIBUTION AND SWITCHING 3 2 Power Switching Control 3 2 Supply Switching 3 2 3 3 AUDIO LOGIC BOARD DIGITAL CIRCUIT 3 4 Microcontroller U101 3 4 Memory and Latch Programming 3 6 3 4 RECEIVE AUDIO DATA PR...

Page 4: ...TING 4 3 Introduction 4 3 Reference Oscillator U806 4 4 VCO Module 4 4 Synthesizer IC U804 4 4 Determining Synthesizer Counter Divide Numbers 4 5 4 4 RECEIVER SERVICING 4 5 4 5 TRANSMITTER SERVICING 4 5 4 6 AUDIO LOGIC BOARD SERVICING 4 5 Digital Circuits 4 5 Analog Circuits 4 5 5 PARTS LIST Front Panel Assembly and Mechanical Parts 5 1 UHF RF and PA Boards 5 3 800 900 MHz RF and PA Boards 5 18 Au...

Page 5: ...own 1 2 1 2 Identification Number Breakdown 1 3 1 3 98xx Accessories 1 3 2 1 Data Cable Wire Chart 2 8 4 1 Ceramic SMD Capacitor Identification 4 2 4 2 SMD Inductor Identification 4 3 LIST OF FIGURES 2 1 Front Mount Installation Components 2 1 2 2 Remote Mount Installation Components 2 3 2 3 Accessory Cable Installation 2 4 2 4 Accessory Cable Connector 2 5 2 5 R170 Location Diagram 2 5 2 6 Data C...

Page 6: ...igh and low tier versions and the Multi Net LTR Net and SMARTNET SmartZone models are available in only the high tier version Therefore only high tier models are covered by this manual For servicing information on low tier models refer to the LTR manual described in the preceding paragraph The data version of the 98xx transceiver has a front panel that is blank except for the programming jack For ...

Page 7: ...el is selected the deviation automatically changes to the level set in this screen 1 2 5 PROGRAMMING Transceiver programming is performed using a PC compatible computer the E F Johnson Remote Programming Interface RPI and E F Johnson programming software Programming is described in separate manuals as described in Section 1 1 1 1 2 6 TRANSCEIVER ALIGNMENT Alignment is performed using the standard ...

Page 8: ...of Year Last Digit of Year A Waseca Type Plant From P N 1 Low pwr LTR 2 High pwr LTR 3 High pwr Data MN 4 Low pwr LTR Net 5 High pwr LTR Net 6 Low pwr Multi Net 7 High pwr Multi Net 8 Low pwr Data LTR 9 High pwr Data LTR 0 Low pwr Data MNet A SMARTNET SmartZone NOTE Low power 25W UHF 15W 800 900 MHz High power 40W UHF 30W 800 900 MHz Standard Key Cap Kits 5 key caps Multi Net 587 9840 001 LTR Net ...

Page 9: ...andor kit includes a board assembly that installs in the option wire outs on the audio logic board to provide companding Likewise the encryption kit includes a board assembly that connects to the other option wire outs on the audio logic board Contact your sales representative for more information on available encryption options Desktop Accessories The 113 and 213 power supplies include a pedestal...

Page 10: ...portant as there are times when the technicians may have specific ques tions that need to be answered in order to completely identify and repair a problem When returning equipment for repair it is also a good idea to use a PO number or some other reference number on your paperwork in case you need to call the repair lab about your unit These numbers are refer enced on the repair order making it ea...

Page 11: ...ts DC nominal negative ground Current Drain 300 mA maximum receive standby 1 5 A maximum receive rated audio output 10 0 A maximum transmit 25 W output 15 0 A maximum transmit 40 W output FCC Compliance Parts 15 and 90 RECEIVER Sensitivity 12 dB SINAD 0 35 µV Selectivity 70 dB at 25 kHz 60 dB at 12 5 kHz Spurious and Image Rejection 70 dB Intermodulation 70 dB Hum and Noise 45 dB at 25 kHz 40 dB a...

Page 12: ...Requirement 13 6 volts DC nominal negative ground Current Drain 300 mA maximum receive standby 1 5 A maximum receive rated audio output 7 0 A maximum transmit 15 W output 11 0 A maximum transmit 30W output FCC Compliance Parts 15 and 90 RECEIVER Sensitivity 12 dB SINAD 0 35 µV Selectivity 70 dB at 25 kHz 60 dB at 12 5 kHz Spurious and Image Rejection 70 dB Intermodulation 70 dB Hum and Noise 40 dB...

Page 13: ...9 kg Power Requirement 13 6 volts DC nominal negative ground Current Drain 300 mA maximum receive standby 1 5 A maximum receive rated audio output 7 0 A maximum transmit 15 W output 11 0 A maximum transmit 30W output FCC Compliance Parts 15 and 90 RECEIVER Sensitivity 12 dB SINAD 0 35 µV Selectivity 65 dB Spurious and Image Rejection 70 dB Intermodulation 70 dB Hum and Noise 38 dB Maximum Frequenc...

Page 14: ...24 x 5 16 sheet metal 3 575 3604 010 11 5 4 7 ohm external spkr optional 250 0151 010 6 Hanger grounding wire assembly 023 7171 911 Miniature UHF Jack 1 2 2 3 4 5 6 7 8 11 10 Antenna 10 ft Install 15A Fuse Optional Speaker Optional 9 6 ft 2 1 GENERAL 2 1 1 SCOPE OF INSTRUCTIONS Since each installation is somewhat unique the installation instructions which follow are intended only as a general guid...

Page 15: ... where it will be least likely to cause injury in case of an accident Airbags deploy with great force Therefore do not mount it anywhere near the deployment area In addition do not place any other objects in the deployment area 2 2 2 INSTALLATION COMPONENTS The following mounting kits are used to install the transceiver These components and other compo nents are shown in Figure 2 1 Mounting Kit Pa...

Page 16: ...on control cable 11 ft opt 597 9800 009 8 Screw 4 24 x 5 16 sheet metal 3 575 3604 010 17 5 4 7 ohm external spkr optional 250 0151 010 NEG POS 1 2 3 Miniature UHF Jack Antenna 4 5 6 7 8 9 10 11 12 13 14 15 17 16 1 ft 5 ft 6 ft 11 ft 10 or 22 ft 2 3 POWER CABLE INSTALLATION It is recommended that both wires of the power cable be connected directly to the vehicle battery Connection of either wire t...

Page 17: ...wer cable wire to the negative battery terminal 5 Both 7 and 15 ampere fuses are included with the power cable Install the 15 ampere fuse in this application 6 Plug the power cable into the transceiver and recon nect the negative battery cable 7 Install the antenna according to the manufacturer s instructions This transceiver has a miniature UHF connector If the antenna has some other type an adap...

Page 18: ... are required and this section can be skipped However then be sure that the Ignition Sense Delay Time is set to Forever Infinite If it is not improper transceiver operation may result when starting the vehicle General When the ignition sense line is connected the following additional functions are provided The transceiver turns on and off with the vehicle ignition switch if the front panel power s...

Page 19: ...w level volume controlled speaker output It provides drive to an external device such as an audio power amplifier The input impedance of the external device should be greater than 20k ohms For this output to operate properly the audio amplifier requires an 8 ohm load Therefore if not using the internal speaker and no speaker is connected to the external speaker jack connect an 8 ohm 5 watt resisto...

Page 20: ...up to 5 watts of power a 4 7 ohm external speaker can be used This speaker is plugged into the external speaker jack on the back of the transceiver This is a standard 1 8 two conductor phone jack The internal speaker is automatically disabled when an external speaker is used The impedance of the external speaker must not be less than 4 0 ohms Using a speaker with an imped ance less than 4 0 ohms c...

Page 21: ... 4 for more accessory cable installation information 3 Refer to the wiring chart in Table 2 1 and connect the data cable wires to the user supplied connector as required for the data equipment being used 4 If required install the purple and pink wires to the desired points in the transceiver 5 Position the strain relief grommet of the accessory data cable in the external speaker jack slot of the c...

Page 22: ... SMARTNET SmartZone transceiver This kit includes the five key caps listed below EMER F1 F2 F3 SCAN Key Cap Kit Part No 587 9840 105 is also included with each transceiver This kit includes the key caps shown below F1 F2 F3 F4 SCAN BKLHT MSG HORN C S DISP PRIED SELSQ MON TGSEL PHONE RESP NUIS STATUS TXPWR Blank ALERT EMER RWS TONES Blank ...

Page 23: ...board The other fuse F300 0 6A limits the current of the 8 volt supply fed to modem jack J301 For information on power distri bution and switching refer to Section 3 2 3 1 3 SYNTHESIZER The synthesizer output signal is the transmit frequency in the transmit mode and the receive first injection frequency in the receive mode The synthe sizer also provides the receiver second injection signal by trip...

Page 24: ...nsmitter if either are excessive 3 2 POWER DISTRIBUTION AND SWITCHING 3 2 1 POWER SWITCHING CONTROL A diagram of the power distribution and switching circuits is shown in Figure 3 1 The main power switching is performed on the RF board by Q510 and other transistors This switch is controlled by the front panel power switch the ignition sense input and the microcontroller as shown in Figure 3 2 For ...

Page 25: ...Power Hold From Shift Reg U111 Q7 Unsw Bat Unsw Bat R170 From Ignition Switch This Resistor Installed If Ignition Sense Not Connected Q510 Supply Switching Circuit Interface Board High Tier Only Audio Logic Board RF Board Q109 Sw Bat Note Arrows Indicate Signal Flow U113A D Power On Off Latch Low Tier Only 5 1 filtering of the 13 6 volt supply The emitter of Q513 is biased at about 4 5 volts by R5...

Page 26: ...OM can be programmed many times does not require a constant power supply and retains data indefinitely Temporary data storage is provided by an internal 1K x 8 RAM in microcontroller U101 and by external 8K x 8 RAM U107 These devices are used as a scratchpad during program execution Reset The microcontroller resets when power is turned on and also when the 5 volt supply drops below the normal rang...

Page 27: ... and Option 2 slot wire out W311 PE7 This input senses the voltage on the IN3 pin of Option 1 slot wire out W301 Serial Peripheral Interface Port SPI OR Gate U103 This serial port is formed by the MOSI MISO and SCK pins 31 30 32 of the microcontroller It is a synchronous port which means that a clock signal is used to indicate when data on the data line is valid This port has both master and slave...

Page 28: ... CE2 input is always pulled high by R114 The A13 and A14 address lines can be connected by changing jumpers if a 16K or 32K part is required Data is read from U107 by pulling the OE input pin 22 low Likewise data is written by pulling the WE input pin 27 low See the U104 description which follows for more information Flash EPROM U108 As described in Section 3 3 1 U108 can store up to 128K bytes of...

Page 29: ...he control signal comes from the Q0 output pin 19 of latch U111 Transistor Q305 inverts this signal and also provides level translation from 5 volt logic levels of U111 to the 8 volt logic levels of U307B From U301B the receive audio data signal is fed to audio data and squelch circuits Refer to the following descriptions for more information 3 4 2 RECEIVE AUDIO PROCESSING Bandpass Filter U301C U3...

Page 30: ...Analog Transmit Data Tx Audio Squelch Signal Digital Receive Data Audio Mute Control Supervisory Tones Rx Audio Gate Control U308B U309 Digital Volume Control 98x1 Pin 5 is the input of an internal gain control stage Gain increases in proportion to increases in the DC voltage on this pin With the low tier models volume control is provided by a D A converter formed by shift register U309 and severa...

Page 31: ...ve audio signal When no signal or a weak signal is being received there is a large amount of noise present Conversely when a strong signal is received there is very little noise present The receive audio data and noise signal from amplifier U301B is applied to a bandpass filter and amplifier formed by U304A and other components This stage attenuates voice frequencies and LTR and Call Guard signali...

Page 32: ...r more information 3 5 4 TRANSMIT DATA CIRCUIT U302D U302A The transmit LTR data and Call Guard tone data signals are generated by the microcontroller on pins 37 and 38 The four logic combinations possible with these two outputs are applied to a resistor network consisting of R389 R392 R386 and R395 This network creates a four step pseudo sine wave from the digital outputs This signal is applied t...

Page 33: ... U806 The fR input is 50 kHz for all UHF channels Therefore the reference divider in U804 divides the 14 850 MHz reference oscillator signal by 297 The TCXO frequency stability is 2 0 PPM so this is also the stability of the synthesizer and the second injection signal which is derived from the TCXO frequency The VCO derived input to the phase detector fV is the VCO frequency divided down by progra...

Page 34: ...es adds capacitance to the tank circuit which lowers its reso nant frequency Capacitance is added to the circuit when the control signal is low Therefore the lowest frequency is selected when both control lines are low and the highest frequency is selected when both are high For example when Shift 1 goes low CR104 is forward biased by current flowing through R103 and L105 Capacitor C111 which is p...

Page 35: ...ffer Amplifier Q506 Q507 Q508 Q509 Q600 Q601 Q504 Q505 First Amplifier Second Amplifier Third Amplifier Predriver 8V Transmit Switch Driver Final Antenna Switch Directional Coupler Harmonic Filter CR601 CR603 Balance Adj U802C Summing Amp Level Adjust U802A U802B WB Data Tx Data Tx Audio U803 U804 Battery Forward Power Current Sense Power Adj U801 Channel Programming Control From Audio Logic Bd Po...

Page 36: ...ice such as a modem without passing through the limiting and filtering circuitry The levels of the audio and data signals are set by digitally controlled variable resistors in U802 These resistors are adjusted in 256 steps by serial data from the microcontroller see Section 3 3 1 The transmit audio signal is applied to pins 2 and 4 which are the wiper and one leg of a potentiometer It is fed out o...

Page 37: ... programmed N number is 83 in this example the divide number is always two higher 85 because of reset cycles and other effects Therefore the prescaler divides by 65 for 55 x 65 or 3575 input pulses It then divides by 64 for 85 x 64 or 5440 input pulses The overall divide number K is therefore 3575 5440 or 9015 The VCO frequency of 450 750 MHz divided by 9015 equals 50 kHz which is the fR input to ...

Page 38: ...ata line from the audio logic board J201 pin 14 is first shifted into U801 then U800 and then U802 Data is clocked through the devices by the CLOCK signal J201 pin 13 when the STROBE input J201 pin 12 is high and latched when it goes low Synthesizer IC U804 is also programmed by the SPI port However data does not pass through the other devices and it is controlled by different STROBE signal J201 p...

Page 39: ...emperature The output signal of Q201 is fed to another two pole bandpass filter similar to the one on the input of Q201 as described in the preceding section Imped ance matching with the filter is provided by L203 C227 C228 C234 and C235 Resistor R209 lowers the Q of L203 to make it less frequency selective C222 C226 decouple various unwanted AC signals from the circuit 3 8 3 FIRST MIXER Q202 INJE...

Page 40: ... IF signal is then applied to pin 18 amplified by an internal amplifier and then fed back out on pin 16 and applied to ceramic filter Z205 This filter is identical to Z206 and provides additional attenuation of wideband noise The loss introduced by each ceramic filter is approximately 12 dB Limiter Detector The signal from Z205 is applied to an internal limiter connected to pin 14 The limiter ampl...

Page 41: ...nd C530 The input level is set by R528 and R530 Biasing is provided by R520 and R525 and C525 C526 and C520 C521 decouple RF signals Impedance matching on the output is provided by L502 C570 C531 L506 and C532 Second amplifier Q507 is similar in design to Q506 These stages together produce about 20 dB of gain The 8 volt supply to Q506 and Q507 is switched by Q504 similar to the revised 430 470 MHz...

Page 42: ...r control circuit monitors transmitter current by sensing the voltage drop across it 3 9 4 ANTENNA SWITCH The antenna switch circuit consists of Q602 CR601 CR603 several other components and also a section of microstrip and CR200 on the RF board This circuit switches the antenna to the receiver in the receive mode and the transmitter in the transmit mode Switching transistor Q602 is controlled by ...

Page 43: ...to cut back power when power amplifier temperature is excessive as just described U500A Q500 Q502 Operation The forward power signal from the directional coupler is applied to pin 2 of amplifier U500A This is a DC signal that increases in proportion to forward power The other input to U500A is a DC voltage from a D A converter formed by shift register U801 and several resistors This stage is simil...

Page 44: ...divides the 14 850 MHz reference oscillator signal by 297 and with 800 MHz models it divides the 17 500 MHz reference oscillator signal by 350 The TCXO frequency stability is 1 5 PPM so this is also the stability of the synthesizer and the second injection signal which is derived from the TCXO frequency The VCO derived input to the phase detector fV is the VCO frequency divided down by programmabl...

Page 45: ...ffer Amplifier Q506 Q507 Q508 Q509 Q600 Q601 Q504 Q505 First Amplifier Second Amplifier Third Amplifier Predriver 8V Transmit Switch Driver Final Antenna Switch Directional Coupler Harmonic Filter CR601 CR603 Balance Adj U802C Summing Amp Level Adjust U802A U802B WB Data Tx Data Tx Audio U803 U804 Battery Forward Power Current Sense Power Adj U801 Channel Programming Control From Audio Logic Bd Po...

Page 46: ...ased it presents a very high impedance Forward biasing of PIN diode CR901 adds capac itance to the tank circuit which lowers its resonant frequency The diode is forward biased in the normal mode and reverse biased in the talk around mode both 800 and 900 MHz The logic levels on pins 3 and 4 of the VCO are as follows Pin 3 Pin 4 Normal Mode H 5 5V L 0V Talk Around Mode L 0V H 5 5V In the normal mod...

Page 47: ...is multiplied CR800 decreases the time required to charge C814 when power is turned on If a noise pulse or other voltage change appears on the collector the base voltage does not change significantly because of C814 Therefore base current does not change and the voltage on the emitter remains constant 3 10 5 BUFFER AMPLIFIER Q801 TX TX SWITCH CR801 CR802 The output signal on pin 2 of the VCO is ap...

Page 48: ... frequency to be 5 or 8 times the channel spacing With 800 and 900 MHz channels modulo 8 is used to allow 6 25 kHz 12 5 kHz channel spacing The fV input is produced by dividing down the VCO frequency applied to the RF IN input The first divider which divides this signal is a prescaler which is a special counter capable of operating at relatively high frequencies The prescaler divides by 64 and 65 ...

Page 49: ...ted out of one device into another Programming is performed using the SPI serial port of the microcontroller described in Section 3 3 1 The input to the internal shift register of these devices is the DATA U800 U801 or SDI U802 pin and the output of the last shift register stage in U800 and U801 is the QS pin Therefore serial data on the Data line from the audio logic board J201 pin 14 is first sh...

Page 50: ... pole crystal filter With 800 MHz models it has a center frequency of 52 950 MHz and a 3 dB bandwidth of 15 kHz and with 900 MHz models it has a center frequency of 45 MHz and a 3 dB bandwidth of 7 5 kHz This filter attenuates wide band noise adjacent channels frequencies resulting from intermodulation and other undesired frequen cies Impedance matching between this filter and U201 is provided by ...

Page 51: ...r pin 59 and used along with the squelch signal to determine receive signal strength R259 C304 and R258 C303 provide low pass filtering of the audio and RSSI signals and C305 and C306 decouple RF 3 12 TRANSMITTER CIRCUIT DESCRIPTION 800 900 MHz MODELS NOTE The transmitter block diagram is located in Figure 3 7 3 12 1 PREDRIVER Q506 DRIVER Q507 The input signal to the exciter is the transmit freque...

Page 52: ...itter in the transmit mode Switching transistor Q602 is controlled by the transmit signal from the Q7 output pin 11 of shift register U801 This is the same signal that controls transmit 8 volt supply switch Q505 Q504 This signal is high in the transmit mode and low in the receive mode Therefore Q602 turns on in the transmit mode and current flows from the collector of Q601 through R610 R609 CR604 ...

Page 53: ...er voltage is excessive as just described in Section 3 12 4 U500A Q500 Q502 Operation U500A is a differential amplifier which ampli fies the difference between the reference voltage on pin 3 and the forward power signal on pin 2 The forward power signal from the directional coupler is a DC signal that increases in proportion to forward power The reference input is a DC voltage from the D A convert...

Page 54: ...ses the output voltage on pin 7 to increase The gain of each U500B input is set at about ten by R509 R504 and R502 R507 Emitter biasing for Q501 is provided by R506 and R511 Normally the output voltage of U500B is not high enough to turn on Q501 However if current becomes excessive for example because of an antenna mismatch Q501 begins turning on This decreases the base voltage of Q502 which turns...

Page 55: ...echanical parts 4 1 4 CONFIGURING TRANSCEIVER FOR TESTING Multi Net versions of this transceiver have a test mode which can be selected to perform testing This mode is described in Section 3 13 of the manual listed in Section 1 1 1 and it permits the transceiver to be operated manually To select the test mode turn power on with the top two options switches pressed to right of display LTR Net and S...

Page 56: ...llowed by a number to indicate the multiplier The values for both standards are shown in the following table For example if there is a single black E on the capacitor it uses the American standard and its value is 15 pF The same value is identified with the Japanese stan dard by E1 The Japanese standard may also utilize a bar to indicate the temperature coefficient The following coefficients are i...

Page 57: ...ransistors and diodes are iden tified by a special number Refer to page 6 1 for more information 4 3 SYNTHESIZER TROUBLESHOOTING 4 3 1 INTRODUCTION When there is a synthesizer malfunction the VCO is usually not locked on frequency When the VCO is unlocked the LOCK output on U804 pin 18 is low This is detected by the logic which then disables both the transmitter and receiver When the VCO is unlock...

Page 58: ...cked on frequency it should be near the lower 1 1 V or upper 5 2 V end of its range Frequency Shift Inputs The pin shift signals on pins 4 and 3 should be as follows L 0V H 5V Frequency If the VCO is locked on frequency in the receive mode the output frequency should be the receive frequency 52 950 MHz 800 MHz models or the receive frequency 45 MHz UHF and 900 MHz models In the transmit mode it sh...

Page 59: ...e as follows L 0V H 5V 4 5 TRANSMITTER SERVICING To isolate a transmitter problem to a specific stage check the DC and RF voltages shown on the schematic diagram 4 6 AUDIO LOGIC BOARD SERVICING 4 6 1 DIGITAL CIRCUITS Because of the complexity and dynamic operation of the digital portion of the audio logic board servicing may be difficult Special test equipment and knowledge of the operating softwa...

Page 60: ... 008 HW006 Insert 2 56 RF brd 537 2501 031 HW007 Lockwasher No 2 596 2102 006 HW008 Washer split lock No 4 596 1304 008 HW009 Screw 6 32 x 1875 rd hd Torx 575 9406 406 HW 010 Screw 4 40 x 1 8 pan hd zps spkr 575 1604 004 HW 011 No 4 washer 596 1104 008 Screw 6 32 x 5 16 pan hd Torx 575 0006 010 HW 012 No 4 swage spacer 574 5100 116 Screw 4 40 x 1 4 pan hd 575 0604 008 HW 021 Support bar SN SZ 017 ...

Page 61: ... Ref No Description Part No Q 007 NPN general purpose 576 0003 658 Q 100 NPN UHF low noise 576 0003 651 R 001 Pot 50k ohm w push on sw 562 0018 075 R 002 22 ohm 10 2W wire wound 569 2004 220 R 003 47k ohm 5 1 8W smd 569 0105 473 R 004 47k ohm 5 1 8W smd 569 0105 473 R 005 47k ohm 5 1 8W smd 569 0105 473 R 006 47k ohm 5 1 8W smd 569 0105 473 R 007 47k ohm 5 1 8W smd 569 0105 473 R 008 47k ohm 5 1 8...

Page 62: ... MHz 5 1 pF NPO 5 50V cer smd 510 3615 519 470 512 MHz C 205 47 pF NPO 5 50V cer smd 510 3601 470 430 470 MHz Ref No Description Part No 39 pF 5 NPO 50V cer smd 510 3615 390 470 512 MHz C 206 2 7 pF 5 NPO 50V cer smd 510 3615 279 430 470 MHz 3 3 pF 5 NPO 50V cer smd 510 3615 339 470 512 MHz C 207 1 8 pF 5 NPO 50V cer smd 510 3601 189 430 470 MHz 1 5 pF 5 NPO 50V cer smd 510 3615 159 470 512 MHz C ...

Page 63: ... 50V cer smd 510 3601 689 430 470 MHz 5 6 pF 5 NPO 50V cer smd 510 3615 569 470 512 MHz Ref No Description Part No C 236 22 pF 5 NPO 50V cer smd 510 3615 220 430 470 MHz 18 pF 5 NPO 50V cer smd 510 3615 180 470 512 MHz C 237 10 pF 5 NPO 50V cer smd 510 3615 100 430 470 MHz 7 5 pF 5 NPO 50V cer smd 510 3615 759 470 512 MHz C 238 3 3 pF NPO 5 50V cer smd 510 3601 339 C 239 1 8 pF 5 NPO 50V cer smd 5...

Page 64: ...d 510 3605 103 C 294 47 µF 10V tantalum smd 510 2624 470 C 295 1 µF X7R 10 50V cer smd 510 3606 104 C 296 01 µF X7R 10 50V cer smd 510 3605 103 C 297 01 µF X7R 10 50V cer smd 510 3605 103 C 298 01 µF X7R 10 50V cer smd 510 3605 103 Ref No Description Part No C 299 01 µF X7R 10 50V cer smd 510 3605 103 C 300 01 µF X7R 10 50V cer smd 510 3605 103 C 301 10 pF 5 NPO 50V cer smd 510 3602 100 C 302 01 µ...

Page 65: ... 50V cer smd 510 3601 101 all others C 529 12 pF NPO 5 cer smd 510 3601 120 unrevised 430 470 MHz 01 µF X7R 10 50V cer smd 510 3605 103 all others Ref No Description Part No C 530 39 pF NPO 5 50V cer smd 510 3601 390 unrevised 430 470 MHz 01 µF X7R 10 50V cer smd 510 3605 103 all others C 531 5 6 pF 5 NPO 50V cer smd 510 3615 569 unrevised 430 470 MHz 100 pF NPO 5 50V cer smd 510 3601 101 all othe...

Page 66: ... revised 430 470 MHz 10 pF 5 NPO 50V cer smd 510 3615 100 470 512 MHz Ref No Description Part No C 548 10 µF 25V tantalum smd 510 2627 100 unrevised 430 470 MHz 5 1 pF 5 NPO 50V cer smd 510 3615 519 revised 430 470 MHz 4 7 pF 5 NPO 50V cer smd 510 3615 479 470 512 MHz C 549 470 µF 25V electrolytic 510 4064 471 unrevised 430 470 MHz 7 5 pF 5 NPO 50V cer smd 510 3615 759 revised 430 470 MHz 6 8 pF 5...

Page 67: ...c 510 4064 471 all others C 566 01 µF X7R 10 50V cer smd 510 3605 103 unrevised 430 470 MHz Ref No Description Part No 100 pF NPO 5 50V cer smd 510 3601 101 all others C 567 33 pF 5 NPO 50V cer smd 510 3615 330 unrevised 430 470 MHz 100 pF NPO 5 50V cer smd 510 3601 101 all others C 568 15 pF 5 NPO 50V cer smd 510 3602 150 unrevised 430 470 MHz 4 7 µF 10V tantalum smd 510 2624 479 all others C 569...

Page 68: ...NPO 50V cer smd 510 3615 240 430 470 MHz 40 watt 47 pF 5 NPO 50V cer smd 510 3615 470 470 512 MHz 25 watt 24 pF 5 NPO 50V cer smd 510 3615 240 470 512 MHz 40 watt C 617 47 pF 250V mini mica 510 0019 470 Ref No Description Part No C 618 5 6 pF 5 NPO 50V cer smd 510 3615 569 430 470 MHz 4 3 pF 5 NPO 50V cer smd 510 3615 439 470 512 MHz C 619 5 1 pF 5 NPO 805 smd 510 3615 519 430 470 MHz 4 3 pF 5 NPO...

Page 69: ...cer smd 510 3615 120 430 470 MHz 40 watt 6 8 pF 5 NPO 50V cer smd 510 3615 689 470 512 MHz 40 watt C 645 47 pF 250V mini mica 510 0019 470 430 470 MHz 40 watt 39 pF 250V mini mica 510 0019 390 470 512 MHz 40 watt C 646 10 pF 5 NPO 50V cer smd 510 3615 100 430 470 MHz 25 watt 43 pF 250V mini mica 510 0019 430 430 470 MHz 40 watt 27 pF 250V mini mica 510 0019 270 470 512 MHz 25 watt 27 pF 250V mini ...

Page 70: ...evised 430 470 MHz 8 2 pF 5 NPO 50V cer smd 510 3615 829 all others CR 200 Pin switching diode 523 1504 001 CR 201 Band switching diode 523 1504 035 CR 202 Band switching diode 523 1504 035 Ref No Description Part No CR 203 Switching diode SOT 23 523 1504 002 CR 204 Band switching diode 523 1504 035 CR 205 Band switching diode 523 1504 035 CR 206 Switching diode SOT 23 523 1504 002 CR 207 Pin swit...

Page 71: ...smd air core inductor 542 0030 005 unrevised 430 470 MHz 6T 17 5 nH smd air core inductor 542 0030 006 all others Ref No Description Part No L 501 5T 18 5 nH smd air core inductor 542 0030 005 unrevised 430 470 MHz 3T 24 AWG 080 id inductor 542 0030 003 revised 430 470 MHz 2T 24 AWG 080 id inductor 542 0030 002 470 512 MHz L 502 12 5 nH smd air core inductor 542 0030 004 unrevised 430 470 MHz 3T 2...

Page 72: ...003 658 Q 503 NPN general purpose 576 0003 658 unrevised 430 470 MHz PNP general purpose 576 0003 612 all others Q 504 PNP general purpose 576 0003 612 unrevised 430 470 MHz Ref No Description Part No NPN general purpose 576 0003 658 all others Q 505 NPN general purpose 576 0003 658 Q 506 NPN low noise amp 576 0003 618 unrevised 430 470 MHz PNP general purpose 576 0003 612 all others Q 507 NPN low...

Page 73: ... smd 569 0105 822 R 229 Zero ohm 5 1 8W smd 569 0105 001 R 231 4 7k ohm 5 1 8W smd 569 0105 472 R 232 4 7k ohm 5 1 8W smd 569 0105 472 Ref No Description Part No R 233 22k ohm 5 1 8W smd 569 0105 223 R 234 22k ohm 5 1 8W smd 569 0105 223 R 237 20k ohm 5 1 8W smd 569 0105 203 R 238 20k ohm 5 1 8W smd 569 0105 203 R 239 510 ohm 5 1 8W smd 569 0105 511 R 240 510 ohm 5 1 8W smd 569 0105 511 R 241 20k ...

Page 74: ...hers R 520 47 ohm 5 1 8W smd 569 0105 470 unrevised 430 470 MHz 47k ohm 5 1 8W smd 569 0105 473 all others Ref No Description Part No R 521 47 ohm 5 1 8W smd 569 0105 470 unrevised 430 470 MHz 4 7k ohm 5 1 8W smd 569 0105 472 all others R 522 1 2k ohm 5 1 8W smd 569 0105 122 unrevised 430 470 MHz 4 7k ohm 5 1 8W smd 569 0105 472 all others R 523 270 ohm 5 1 8W smd 569 0105 271 unrevised 430 470 MH...

Page 75: ... 470 MHz Ref No Description Part No 1 0k ohm 5 1 8W smd 569 0105 102 all others R 544 10 ohm 5 1 8W smd 569 0115 100 R 545 17 8k ohm 1 1 8W smd 569 0111 425 R 546 100 ohm 5 1 8W smd 569 0105 101 unrevised 430 470 MHz 42 2k 1 1 8W smd 569 0111 461 all others R 547 10k ohm 5 1 8W smd 569 0105 103 R 548 54 9k ohm 1 1 8W smd 569 0111 472 R 549 7 5k ohm 1 1 8W smd 569 0111 385 R 550 10k ohm 5 1 8W smd ...

Page 76: ...Description Part No R 822 10k ohm 5 1 8W smd 569 0105 103 R 823 33k ohm 5 1 8W smd 569 0105 333 R 824 Zero ohm 5 1 8W smd 569 0105 001 R 825 100 ohm 5 1 8W smd 569 0105 101 R 826 10k ohm 5 1 8W smd 569 0105 103 R 827 4 7k ohm 5 1 8W smd 569 0105 472 R 828 Zero ohm 5 1 8W smd 569 0105 001 R 829 4 7k ohm 5 1 8W smd 569 0105 472 R 830 100 ohm 5 1 8W smd 569 0105 101 R 831 100 ohm 5 1 8W smd 569 0105 ...

Page 77: ... No Description Part No C 244 01 µF X7R 10 50V cer smd 510 3605 103 C 245 100 pF 5 NPO 50V cer smd 510 3615 101 C 246 30 pF 5 NPO 50V cer smd 800 MHz models 510 3615 300 16 pF NPO 5 50V cer smd 900 MHz models 510 3601 160 C 247 39 pF 5 NPO 50V cer smd 510 3615 390 C 248 01 µF X7R 10 50V cer smd 510 3605 103 C 249 39 pF 5 NPO 50V cer smd 510 3615 390 C 250 01 µF X7R 10 50V cer smd 510 3605 103 C 25...

Page 78: ...smd 510 3615 439 C 523 10 pF NPO 5 50V cer smd 510 3601 100 Ref No Description Part No C 524 39 pF NPO 5 50V cer smd 510 3601 390 C 525 39 pF NPO 5 50V cer smd 510 3601 390 C 526 01 µF X7R 10 50V cer smd 510 3605 103 C 527 1 6 pF 5 NPO 50V cer smd 510 3615 169 C 528 01 µF X7R 10 50V cer smd 510 3605 103 C 529 39 pF NPO 5 50V cer smd 510 3601 390 C 530 39 pF NPO 5 50V cer smd 510 3601 390 C 531 1 µ...

Page 79: ...01 331 Ref No Description Part No 150 pF NPO 5 50V cer smd 900 MHz models 510 3601 151 C 811 01 µF X7R 10 50V cer smd 510 3605 103 C 812 100 pF NPO 5 50V cer smd 510 3601 101 C 813 01 µF X7R 10 50V cer smd 510 3605 103 C 814 10 µF 16V tantalum smd 510 2625 100 C 815 01 µF X7R 10 50V cer smd 510 3605 103 C 816 001 µF X7R 10 50V cer smd 510 3605 102 C 817 100 pF NPO 5 50V cer smd 510 3601 101 C 818 ...

Page 80: ...e 4A smd very fast blow 534 5000 140 J 201 Connector 2 x 10 pin male RF bd 515 7100 944 J 501 Connector 1 x 8 pin male RF bd 515 7100 942 Ref No Description Part No J 600 Connector 8 pin female PA bd 515 7102 115 J 601 Antenna jack right angle 515 3011 020 L 200 12 nH smd inductor 800 MHz models only 542 9003 127 L 201 39 µH smd inductor 800 MHz models only 542 9003 397 L 207 047 µH smd inductor 5...

Page 81: ... smd 569 0105 472 R 209 220 ohm 5 1 8W smd 569 0105 221 R 210 18 ohm 5 1 8W smd 569 0105 180 R 211 270 ohm 5 1 8W smd 569 0105 271 Ref No Description Part No R 212 270 ohm 5 1 8W smd 569 0105 271 R 213 4 7k ohm 5 1 8W smd 569 0105 472 R 214 560 ohm 5 1 8W smd 569 0105 561 R 215 150 ohm 5 1 8W smd 800 MHz models 569 0105 151 270 ohm 5 1 8W smd 900 MHz models 569 0105 271 R 216 39 ohm 5 1 8W smd 800...

Page 82: ...03 R 526 100 ohm 5 1 8W smd 569 0115 101 Ref No Description Part No R 527 10 ohm 5 1 8W smd 569 0115 100 R 528 100 ohm 5 1 8W smd 569 0115 101 R 529 680 ohm 5 1 8W smd 569 0115 681 R 530 10 ohm 5 1 8W smd 569 0115 100 R 531 680 ohm 5 1 8W smd 569 0115 681 R 533 510 ohm 5 1 8W smd 569 0105 511 R 534 100k ohm 5 1 8W smd 569 0105 104 R 535 100k ohm 5 1 8W smd 569 0105 104 R 536 100k ohm 1 1 8W smd 56...

Page 83: ...0 ohm 5 1 8W smd 569 0105 181 R 833 15k ohm 5 1 8W smd 569 0105 153 R 834 12k ohm 5 1 8W smd 569 0105 123 Ref No Description Part No R 835 560 ohm 5 1 8W smd 569 0115 561 R 836 33k ohm 5 1 8W smd 569 0105 333 R 837 68k ohm 5 cer smd 569 0105 683 R 838 27k ohm 5 1 8W smd 800 MHz models 569 0105 273 24k ohm 5 1 8W smd 900 MHz models 569 0105 243 R 839 Zero ohm jumper 569 0105 001 R 840 10k ohm 5 1 8...

Page 84: ... C 111 10 µF 16V tantalum smd 510 2625 100 C 112 10 µF 16V tantalum smd 510 2625 100 C 113 1 µF X7R 10 50V cer smd 510 3606 104 C 114 1 µF X7R 10 50V cer smd 510 3606 104 C 115 1 µF X7R 10 50V cer smd 510 3606 104 C 116 1 µF X7R 10 50V cer smd 510 3606 104 C 117 1 µF X7R 10 50V cer smd 510 3606 104 C 118 1 µF X7R 10 50V cer smd 510 3606 104 C 119 1 µF X7R 10 50V cer smd 510 3606 104 C 120 1 µF X7R...

Page 85: ...T 23 523 2016 569 CR 102 5 6V zener SOT 23 523 2016 569 CR 103 5 6V zener SOT 23 523 2016 569 CR 104 5 6V zener SOT 23 523 2016 569 CR 105 5 6V zener SOT 23 523 2016 569 CR 106 Switching diode SOT 23 523 1504 002 CR 107 5 6V zener SOT 23 523 2016 569 CR 108 5 6V zener SOT 23 523 2016 569 Ref No Description Part No CR 109 5 6V zener SOT 23 523 2016 569 CR 110 5 6V zener SOT 23 523 2016 569 CR 111 5...

Page 86: ...73 R 118 470 ohm 5 1 8W smd 569 0105 471 R 119 47k ohm 5 1 8W smd 569 0105 473 Ref No Description Part No R 120 4 7k ohm 5 1 8W smd 569 0105 472 R 121 10k ohm 5 1 8W smd 569 0105 103 R 122 10k ohm 5 1 8W smd 569 0105 103 R 123 47k ohm 5 1 8W smd 569 0105 473 R 124 10k ohm 5 1 8W smd 569 0105 103 R 125 47k ohm 5 1 8W smd 569 0105 473 R 126 1M ohm 5 1 8W smd 569 0105 105 R 127 10k ohm 5 1 8W smd 569...

Page 87: ...5 334 R 320 62k ohm 5 1 8W smd 569 0105 623 Ref No Description Part No R 321 470 ohm 5 1 8W smd 569 0105 471 R 322 10k ohm 5 1 8W smd 569 0105 103 R 323 62k ohm 5 1 8W smd 569 0105 623 R 324 33k ohm 5 1 8W smd 569 0105 333 R 325 5 6k ohm 5 1 8W smd 569 0105 562 R 326 33k ohm 5 1 8W smd 569 0105 333 R 327 33k ohm 5 1 8W smd 569 0105 333 R 328 62k ohm 5 1 8W smd 569 0105 623 R 329 33k ohm 5 1 8W smd...

Page 88: ...569 0105 103 R 410 6 8k ohm 5 1 8W smd 569 0105 682 R 411 22k ohm 5 1 8W smd 569 0105 223 R 412 1 0k ohm 5 1 8W smd 569 0105 102 Ref No Description Part No R 413 1 0k ohm 5 1 8W smd 569 0105 102 R 414 4 7k ohm 5 1 8W smd 569 0105 472 R 415 10k ohm 5 1 8W smd 569 0105 103 R 416 10k ohm 5 1 8W smd 569 0105 103 R 417 27k ohm 5 1 8W smd 569 0105 273 R 418 10k ohm 5 1 8W smd 569 0105 103 R 419 10k ohm ...

Page 89: ...E PART NO 250 0740 300 C 001 3 3 µF 16V tantalum chip 510 2625 339 C 002 220 pF 5 NPO 50V cer chip 510 3602 221 EP001 Contact 038 diameter 586 9008 100 EP002 Mic cord w mod connector 597 2002 113 EP004 Terminal on hanger 022 0069 011 HW001 Screw 4 20 x 3 8 575 5604 012 HW004 Screw 2 56 x 3 8 575 1602 012 MK001 Dynamic mic cartridge 589 1011 003 MP001 Case front black 032 0426 100 MP002 Case back b...

Page 90: ...PARTS LIST 5 31 February 2001 Part No 001 9800 001 FRONT PANEL EXPLODED VIEW MP700 MP701 HW703 3 HW701 2 Display Board A400 MP705 MP704 MP702 5 HW701 2 HW702 2 MP703 2 Interface Board A475 ...

Page 91: ...f 030 Mtg Kit MP1 HW009 2 MP010 HW009 2 MP016 MP015 HW003 7 RF Board MP003 MP012 HW001 4 Part of 030 Mtg Kit MP008 HW003 7 MP007 HW002 2 HW007 2 Power Amplifier Board Audio Logic Board HW003 5 MP013 MP014 MP011 HW009 2 HW009 2 HW006 2 Speaker Box Bracket HW001 Chassis FRONT AND TOP MECHANICAL PARTS BOTTOM MECHANICAL PARTS ...

Page 92: ...1 4 MP004 Part of 040 Mtg Kit MP001 Part of 040 Mtg Kit HW001 Part of 040 Mtg Kit HW002 Part of 040 Mtg Kit MP001 Display Cover HW009 2 MP001 Chassis HW009 2 MP011 HW009 2 MP010 W003 MP700 HW004 2 HW001 4 Part of 030 Mtg Kit MP005 MP001 Part of 030 Mtg Kit HW009 2 MP007 Foam Mtg Pad REMOTE CONTROL UNIT MECHANICAL PARTS REMOTE TRANSCEIVER MECHANICAL PARTS ...

Page 93: ...576 0004 098 4 576 0004 401 6 576 0004 402 7 576 0004 817 8 576 0006 027 9 576 0006 114 10 576 0006 120 11 576 0006 234 12 MO 576 0006 450 11 576 0007 013 2 Number on Schematic DIODES 523 1504 001 4D 523 1504 002 5A 523 1504 016 5F 523 1504 023 A7 523 1504 024 A1 523 1504 032 523 1504 035 AS 523 2016 120 Y2 523 2016 180 Y6 523 2016 339 W6 or Z14 523 2016 519 Z2 523 2016 569 Z3 TOP VIEW C E B 1 B C...

Page 94: ...6 2 February 2001 Part No 001 9800 001 AMPLIFIED DYNAMIC MICROPHONE SCHEMATIC AND MECHANICAL PARTS Part No 250 0740 300 ...

Page 95: ...6 3 February 2001 Part No 001 9800 001 TRANSCEIVER TOP PHOTO 800 MHZ SHOWN TRANSCEIVER BOTTOM PHOTO 800 MHZ 30W SHOWN RF Board PA Board Audio Logic Board ...

Page 96: ... GND RESET SW BAT SERV RQST HANGER PBNO A PBNO B CW CCW J1 J2 J2 J1 8 12 9 10 8 7 11 2 3 4 5 1 DISPLAY HARNESS PART NO 023 9800 047 SOURCE SW BAT 5V R21 10k R18 10k R6 47k R7 47k 25 2 3 PA7 PC5 PD7 IRQ R4 47k 5V R20 10k R41 10k 17 13 11 12 1 RESET SDI SDO SCK 14 GND 5V 28 VCC PC1 PC0 PC2 PC3 PC4 PA6 PA5 PA4 PA3 PA2 PA1 PA0 22 21 20 19 18 4 5 6 7 8 9 10 S1 S2 S3 S4 R15 10k R14 10k S5 R13 10k R16 10...

Page 97: ... R21 R18 12 1 R4 R41 R20 R26 R25 Q3 Q2 C3 14 U2 C1 R44 R27 C4 U1 81 51 DS1 DS2 DS4 100 1 31 U3 15 28 R45 C6 Q7 E B R43 R42 Q6 E B C R24 R23 DS3 R46 C J1 1 C C8 C2 R35 R39 R40 R30 R29 R14 R15 R49 R50 R36 R17 R16 R13 R48 R6 R7 R34 R12 R37 R38 Q5 C7 C5 U4 1 3 4 5 R11 R31 R32 R10 B E C B E C B E DISPLAY BOARD TOP VIEW DISPLAY BOARD BOTTOM VIEW ...

Page 98: ...6 7 IS 5 3 CI TC DC GND C9 001 CURRENT LIMITER CR8 Q1 3658 C6 1 R24 22k R2 22k SOURCE VCC 2 3 1 OUT GND IN C10 10 C4 1 C18 10 C11 10 C5 1 R7 3 01k C8 47 R8 47 5k CR5 R26 1 R16 22k J1 MIC AUDIO IN J8 RX AUDIO OUT P5 P3 P4 1 All Resistors Are In Ohms and All Capacitors Are In Microfarads Unless Otherwise Specified 2 DCE Default 2 4 1 3 DTE 1 2 3 4 3 J7 1 2 Jumper Normally Not Installed This Jumper I...

Page 99: ... 307 B5 C 500 B2 C 501 A2 B2 C 502 B2 C 503 A2 C 504 A2 C 505 A2 C 506 A3 C 507 A4 C 508 A4 C 509 A3 C 510 A4 C 511 A3 B2 C 512 A1 A4 C 513 A2 A3 C 514 B1 B2 C 515 A1 B2 C 516 A1 C1 C 517 B1 B2 C 518 B1 C1 C 519 B1 A1 C 520 C1 A1 C 521 C1 C 522 A1 C1 Comp Location C 523 A1 C1 C 524 A1 B1 C 525 C1 B1 C 526 C1 C 527 C1 C 528 C1 B1 C 529 C1 B1 C 530 C1 C 531 C1 C 532 C1 A1 C 533 C1 A1 C 534 B1 A1 C 5...

Page 100: ... CR507 A2 CR800 C1 CR801 C1 CR802 B2 EP001 A2 EP002 B1 EP003 B1 EP500 B1 EP501 A1 F 500 A3 J 201 A3 Comp Location J 501 A3 L 200 A4 L 201 B4 L 202 A5 L 203 A5 L 204 A5 L 205 B5 L 206 B5 L 207 B5 L 208 B5 L 209 B4 L 210 B4 L 211 B4 L 213 B5 L 215 C5 L 217 C4 L 218 C4 L 219 B4 L 220 B5 L 500 A1 L 501 B1 C1 L 502 C1 L 503 C1 L 504 C1 L 505 C1 L 506 C1 B1 L 507 B1 L 800 C2 L 801 C2 L 802 C3 Q 200 A5 Q...

Page 101: ...36 A2 C1 R 537 A2 A1 R 538 A2 A3 R 539 B3 R 540 B3 A2 R 541 A2 R 542 A2 R 543 B3 A2 R 544 B2 R 545 A2 R 546 C1 B3 R 547 B3 R 548 A2 R 549 A2 R 550 A2 B3 R 551 A2 Comp Location R 552 A2 R 553 A2 R 554 B1 R 555 B1 R 556 A3 R 557 A3 R 800 B2 R 801 A2 R 802 B2 R 803 B2 R 804 A2 R 805 B2 R 806 B2 R 807 A2 R 808 B2 R 809 B2 R 810 A2 R 811 B3 R 812 A3 R 813 B3 R 814 B3 R 815 B3 R 816 B3 R 817 C4 R 818 C3...

Page 102: ...0 A4 C 301 A4 C 302 A4 C 303 B4 C 304 B4 C 305 C3 C 306 C3 C 500 B2 C 501 C2 C 502 B2 C 503 C2 C 504 C2 C 505 C2 C 506 C3 C 507 C4 C 508 C4 C 509 C3 C 510 C4 C 511 C3 C 512 C2 C 513 C1 C 514 C1 C 515 A1 C 516 B1 C 517 B1 C 518 B1 C 519 B1 C 520 B1 C 521 B1 Comp Location C 522 B1 C 523 B1 C 524 C1 C 525 B1 C 526 B1 C 527 C1 C 528 B1 C 529 A1 C 530 C1 C 531 B1 C 532 C1 C 537 A1 C 547 B2 C 548 C3 C 5...

Page 103: ... B5 R 217 B5 R 218 B5 R 219 B5 R 221 B5 R 222 B5 R 225 B4 R 226 B4 R 228 A5 Comp Location R 229 A5 R 230 A5 R 231 A4 R 232 A4 R 233 A5 R 234 A5 R 237 A5 R 238 A5 R 239 A5 R 240 A5 R 241 A5 R 242 A5 R 243 B4 R 244 B4 R 245 B4 R 246 B4 R 247 B4 R 248 B4 R 249 B4 R 250 B4 R 251 B4 R 252 B5 R 253 A5 R 254 A5 R 255 B5 R 256 B5 R 257 A4 R 258 A4 R 259 B4 R 500 B2 R 501 C2 R 502 C2 R 503 B2 R 504 C2 R 50...

Page 104: ...n the audio logic board layout on pages 6 22 Refer to the grid around the board to determine the approximate location of a component Comp Location C 100 A3 C 101 C1 C 102 C1 C 103 C1 C 104 A1 C 105 C1 C 106 C1 C 107 A1 C 108 C2 C 109 C2 C 110 C1 C 111 A2 C 112 B2 C 113 C1 C 114 C2 C 115 B2 C 116 A1 C 117 A2 C 118 B2 C 119 A2 C 120 B2 C 121 B3 C 300 C4 C 301 C4 C 302 C4 C 303 C5 C 304 C5 C 305 C5 C...

Page 105: ... R 113 A2 R 114 A1 R 115 C2 R 116 B2 R 117 B2 R 118 C2 R 119 B2 R 120 B2 Comp Location R 121 A2 R 122 C1 R 123 B4 R 124 C1 R 125 A1 R 126 A1 R 127 B2 R 128 B4 R 129 C1 R 130 B2 R 131 C1 R 132 B4 R 133 B2 R 134 B2 R 135 B2 R 136 A1 R 137 A1 R 138 A1 R 139 B4 R 140 A1 R 141 C2 R 142 C2 R 143 A2 R 144 B4 R 145 B4 R 146 C3 R 147 C2 R 148 C2 R 149 B2 R 150 C2 R 151 C2 R 152 B2 R 153 C2 R 154 A3 R 155 C...

Page 106: ...4 B4 R 395 A4 R 397 A3 R 398 C3 R 399 C3 R 400 B4 R 401 B3 R 402 B4 R 403 B4 R 404 B4 R 405 A4 R 406 B4 R 407 B4 R 408 B4 R 409 A4 Comp Location R 410 B4 R 411 B4 R 412 B4 R 413 A4 R 414 B3 R 415 B4 R 416 C5 R 417 C5 R 418 A4 R 419 C5 R 420 B4 R 421 C1 R 422 C1 R 423 C2 R 424 C3 R 425 B5 R 426 A4 R 427 C4 R 443 C4 U 100 C1 U 101 B1 U 102 C2 U 103 C2 U 104 B2 U 105 B3 U 106 A2 U 107 A1 U 108 A2 U 1...

Page 107: ...3 W102 W104 W105 W106 W107 W108 RF OUT RF OUT 8V BUFFER AMPLIFIER A900 VCO MODULE BUFFER AMPLIFIER VCO 20 19 C306 100 C304 01uF Rx Audio Out RSSI Out PART OF J201 11 8V 8V Out C567 100 10 Sw Bat Out C566 100 SW BAT 4 Unsw Bat Out C571 100 UNSW BAT R538 510 6 7 8 TO J302 ON AUDIO LOGIC BOARD 450 kHz FILTERS PART OF J201 TO J302 ON AUDIO LOGIC BOARD 17 18 1 12 13 14 16 15 2 3 5 SHIFT REGISTER R524 4...

Page 108: ...1 C511 EP2 C500 R512 R514 R549 R508 R505 R500 CR502 CR504 Q516 C502 R515 U500 B C E R506 C514 C515 R526 C516 R847 R856 R830 R853 Q507 C540 R523 R844 R521 R833 C826 L801 C822 R843 R842 R827 CR801 A900 VCO C843 C834 C838 C839 R520 R518 R808 R805 R802 C504 R503 R507 R513 U801 R804 R807 R810 C577 R545 CR503 CR506 Q517 Q515 R543 CR505 CR500 C560 C513 C305 C805 R820 R828 C806 C801 C567 C506 Q508 R525 R8...

Page 109: ...51 C648 C619 C626 C618 C623 C624 C622 R604 Q602 E B C R606 C604 C602 CR603 C649 C655 470 512 MHz Only 470 512 MHz 430 470 MHz C646 C119 L102 C124 R112 R108 C108 R109 C113 R110 R107 C100 C101 R101 L100 C116 C104 R105 C102 C103 C118 L101 L103 L107 C122 R113 W104 W115 C123 W100 W105 W111 W109 W112 W110 W113 W114 W106 W101 W108 W102 W107 CR106 CR103 CR101 W103 R111 C114 Q101 E B C C E B C105 R100 Q102...

Page 110: ... C619 5 1 C628 3 9 C629 3 9 C630 2 2 L602 C644 12 C647 12 C641 33 C631 33 L608 R612 330 EP603 C633 47 C645 47 Q600 4402 C632 56 C642 56 C646 43 C627 27 C616 24 DIRECTIONAL COUPLER RX RF OUT EP L607 7T EP602 R613 100 Q601 4402 C615 56 C638 56 C609 01uF C610 100 EP EP600 C606 100 C605 6 8uF C617 47 C612 01uF C613 100 EP EP601 C608 100 C607 6 8uF L600 R600 03 C637 18 C634 2 2 C635 3 3 C636 3 3 Power ...

Page 111: ...R600 C611 C653 J600 1 8 C646 CR600 P1 C630 C628 R603 C629 CR601 R602 EP602 L607 C616 C627 C601 C600 C603 C607 R611 C652 C651 C648 C619 C626 C618 C623 C624 C622 R604 Q602 E B C R606 C604 C602 CR603 C649 C655 EP603 C657 L608 C647 C631 C641 C633 C645 Q600 E B C E C632 C642 C646 L605 EP600 C606 C605 L600 C644 R612 C609 C610 R614 R616 R615 Stacked A533 Stablization Board 430 470 MHz Only PA BOARD LAYOU...

Page 112: ...A676 SECOND MIXER DETECTOR Z206 WIDEBAND NARROWBAND Z202 W111 W109 W101 W103 W102 W104 W105 W106 W107 W108 RF OUT RF OUT 8V BUFFER AMPLIFIER A900 VCO MODULE BUFFER AMPLIFIER VCO 20 19 C306 100 C304 01uF Rx Audio Out RSSI Out PART OF J201 11 8V 8V Out C555 100 10 Sw Bat Out C554 100 SW BAT 4 Unsw Bat Out C559 100 UNSW BAT R533 510 6 7 8 TO J302 ON AUDIO LOGIC BOARD 450 kHz CERAMIC FILTERS PART OF J...

Page 113: ...48 C815 R838 C821 C816 C819 R831 R829 C832 C830 R818 C842 L802 C823 C824 R835 C811 C812 R825 C828 C829 U502 C843 C834 U801 CR211 C548 C511 C305 C805 R820 R828 C806 C801 C555 C506 Q517 R557 R812 R813 R811 R822 C306 C810 C804 C802 C800 C554 R815 R539 C563 C564 C552 U804 R846 R845 C833 R855 C841 R823 U806 Reference Oscillator R824 C508 C509 C560 C559 R533 U802 20 11 1 10 1 14 8 1 9 16 20 19 1 C B E 1...

Page 114: ...IDEBAND NARROWBAND Z202 W111 W109 W101 W103 W102 W104 W105 W106 W107 W108 RF OUT RF OUT 8V BUFFER AMPLIFIER A900 VCO MODULE BUFFER AMPLIFIER VCO 20 19 C306 100 C304 01uF Rx Audio Out RSSI Out PART OF J201 11 8V 8V Out C567 100 10 Sw Bat Out C566 100 SW BAT 4 Unsw Bat Out C571 100 UNSW BAT R538 510 6 7 8 TO J302 ON AUDIO LOGIC BOARD 450 kHz CERAMIC FILTERS PART OF J201 TO J302 ON AUDIO LOGIC BOARD ...

Page 115: ...1 C511 EP2 C500 R512 R514 R549 R508 R505 R500 CR502 CR504 Q516 C502 R515 U500 B C E R506 C514 C515 R526 C516 R847 R856 R830 R853 Q507 C540 R523 R844 R521 R833 C826 L801 C822 R843 R842 R827 CR801 A900 VCO C843 C834 C838 C839 R520 R518 R808 R805 R802 C504 R503 R507 R513 U801 R804 R807 R810 C577 R545 CR503 CR506 Q517 Q515 R543 CR505 CR500 C560 C513 C305 C805 R820 R828 C806 C801 C567 C506 Q508 R525 R8...

Page 116: ...07 R611 C652 C651 C648 C619 C626 C618 C623 C624 C622 R604 Q602 E B C R606 C604 C602 CR603 C649 C655 470 512 MHz Only 470 512 MHz 430 470 MHz C646 C119 L102 C124 R112 R108 C108 R109 C113 R110 R107 C100 C101 R101 L100 C116 C104 R105 C102 C103 C118 L101 L103 L107 C122 R113 W104 W115 C123 W100 W105 W111 W109 W112 W110 W113 W114 W106 W101 W108 W102 W107 CR106 CR103 CR101 W103 R111 C114 Q101 E B C C E B...

Page 117: ... 100 C625 2 7 C620 2 7 L603 C622 3 3 C623 3 3 C624 3 3 L604 C618 4 3 C626 4 3 C619 4 3 C628 3 0 C629 3 0 C630 1 5 L602 C644 6 8 C641 33 C631 33 L608 R612 100 EP603 C633 43 C645 39 Q600 4402 C632 27 C642 27 C646 27 C627 27 C616 24 DIRECTIONAL COUPLER RX RF OUT EP L607 EP602 R613 470 Q601 4402 C615 47 C638 47 C609 01uF C610 100 EP EP600 C606 100 C605 6 8uF C617 47 L601 C612 01uF C613 100 EP EP601 C6...

Page 118: ...R600 C611 C653 J600 1 8 C646 CR600 P1 C630 C628 R603 C629 CR601 R602 EP602 L607 C616 C627 C601 C600 C603 C607 R611 C652 C651 C648 C619 C626 C618 C623 C624 C622 R604 Q602 E B C R606 C604 C602 CR603 C649 C655 EP603 C657 L608 C647 C631 C641 C633 C645 Q600 E B C E C632 C642 C646 L605 EP600 C606 C605 L600 C644 R612 C609 C610 R614 R616 R615 Stacked A533 Stablization Board 430 470 MHz Only PA BOARD LAYOU...

Page 119: ...F C305 100 R259 330 C302 01uF C281 01uF C280 01uF R233 22k R234 22k CR207 R237 20k CR209 R239 510 R238 20k C276 01uF C289 01uF C291 01uF R241 20k R240 510 CR210 CR208 R242 20k R906 12k R904 10 C908 3 L904 68uH C901 3 R913 100 C902 3 Q901 3651 R901 4 7k L903 12nH R902 470 C904 5 6 R839 0 C822 39 C826 2 R861 2 R833 15k Q801 3618 C817 100 Q802 3612 R837 68k R836 33k C813 01uF R830 100 R832 180 C827 3...

Page 120: ...2O2 CR210 CR208 CR209 CR207 R240 R241 R234 R280 C281 R239 C271 R238 C289 C268 C267 C265 R212 C231 C246 C245 R217 C291 R233 R237 C270 C272 C269 C266 R210 C232 R211 C264 R213 L214 L215 L213 Z204B Z204A Q202 C E E B Q203 E B C R219 C249 R218 C250 R221 R222 C244 R206 R205 R207 R208 C228 R216 R215 C223 C224 C226 C225 C222 R209 C227 Q201 C E E B C214 CR203 Q200 E B C L207 MP3 Z201 Z200 C556 C557 C558 L2...

Page 121: ...09 CR207 R240 R241 R234 R280 C281 R239 C271 R238 C289 C268 C267 C265 R212 C231 C246 C245 R217 C291 R233 R237 C270 C272 C269 C266 R210 C232 R211 C264 R213 L214 L215 L213 Z204B Z204A Q202 C E E B Q203 E B C R219 C249 R218 C250 R221 R222 C244 R206 R205 R207 R208 C228 R216 R215 C223 C224 C226 C225 C222 R209 C227 Q201 C E E B C214 CR203 Q200 E B C L207 MP3 Z201 Z200 C556 C557 C558 L200 C202 C507 R200 C...

Page 122: ...C613 C612 R600 CR601 Q600 C E B R601 W502 W505 L601 C601 C600 C602 CR600 A20 POWER JACK ANTENNA JACK C634 C640 R615 W501 C924 C911 L904 R912 W107 W102 W100 W108 W101 C921 R908 C916 L906 W103 W106 W104 C925 CR902 L908 C923 CR903 C920 C922 C906 R901 C909 R913 R905 C918 R909 C919 R910 C903 W115 W114 W113 W110 W112 W109 W111 W105 C914 R907 C910 C901 Q902 L903 C904 R903 L905 C907 R902 C908 C902 R904 Q9...

Page 123: ...1 Q651 4817 C619 1uF EP601 UNSW BAT EP600 W501 W500 FINAL AMP POWER AMP MODULE 5 W503 W502 C634 39 ANTENNA SWITCH Q602 3658 R613 100k C620 1 L603 0033uH J603 A20 Power Jack 001uF 0 3 Tx 13 6 Rx 0 8 Tx 0 Rx 12 4 Tx 13 6 Rx 3 6A 15W 7 1A 30W 13 1 Tx 13 6 Rx 11 9 Tx 0 Rx 13 0 Tx 0 Rx L001 01uH C001 01uF R001 10 A533 Stabilization Bd Assembly RF To Receiver Tx RF From RF Board 2 1 8 6 3 4 Unsw Bat Out...

Page 124: ...R606 C632 C628 C636 RT601 C629 8 1 J600 C630 C631 C638 C637 W500 5 4 3 2 1 U600 C609 C610 C611 C608 C607 C606 C615 EP600 C604 C605 C603 R613 R612 R600 CR601 Q600 C E B R601 W502 W505 L601 C600 C601 C602 CR600 A20 POWER JACK ANTENNA JACK C634 C656 C614 C655 C653 C654 C652 B B B B C E Q651 W501 L651 C651 EP601 A533 Stablization Board R619 R617 R618 C640 R616 R614 R615 C657 PA BOARD LAYOUT 30W 800 90...

Page 125: ...150k R316 47k U307D MC14066 CR301 CR302 R317 27k R303 100k CR301 U300A MC3303 R304 10k R311 20k C309 4 7 U301D MC3303 C315 4 7 R354 0 C325 047 U307C MC14066 R355 100k U301A MC3303 R353 18k C320 680pF R359 4 7k C328 1 VREF C321 047 R358 4 7k 8V R419 10k VCC 5 R360 470 C330 1 R418 10k VCC CONT INPUT VCC C327 1 C326 220 SW BAT C319 1 OUT OUT GND R352 820k C323 047 1 2 External Speaker Jack J303 Spkr ...

Page 126: ...2 R301 R306 C308 R317 W332 U300 7 1 8 14 R316 R308 R334 R348 U301 7 1 8 14 C324 C319 W323 9 CR302 R322 C310 C342 C344 Q306 C B E C341 R372 C336 C331 R380 R367 R378 R370 R382 CR110 R154 F100 C333 R369 R373 R374 R375 C338 C343 R391 C340 R387 C357 R407 C353 R413 R409 C346 R408 R414 C349 R402 C350 R386 R364 R356 R390 R395 R360 C327 C315 R325 C312 C313 R344 R343 R341 C316 R303 R311 R340 C314 R339 R332 ...

Page 127: ...Part Number 001 9800 001CD 1 01 hph Printed in U S A ...

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E.F. Johnson Company 9800 SERIES, Service Manual

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