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June, 2000

6880905Z99-O

9-5

GTX LTR/Privacy Plus 800 MHz Mobile Service Manual

Troubleshooting

Troubleshooting Charts

Troubleshooting Flow Chart

for Synthesizer (cont.)

NO Tx INJECTION

Start

Is 5V present

at Q5707-C?

Check Q5707

Is 2.1 MHz

present

at R5731?

DC circuit.

Check Q5701 and
Q5705 DC circuits.

Check RF path
line-up.

Yes

Содержание M11UGD6CB1_N

Страница 1: ...GTX LTR Privacy Plus 800 MHz Mobile Radio Service Manual 6880905Z99 O ...

Страница 2: ...h respect to the U S Government if acquired under FAR policy 52 227 19 the SOFTWARE is provided with Restricted Rights and if acquired under DFARS policy 227 7202 then the SOFTWARE is provided only with the commercial rights of this Agreement This license is effective until terminated It will terminate immediately and automatically if You fail to comply with any term of this Agreement You agree th...

Страница 3: ...ning 1 2 Vehicles equipped with air bags 1 2 LP Gas Warning 1 2 Section 2 Basic Maintenance Introduction 2 1 Preventive Maintenance 2 1 Inspection 2 1 Cleaning 2 1 Plastic Surfaces 2 1 Circuit Boards and Components 2 1 Safe Handling of CMOS Devices 2 1 Precautions 2 2 Repair Procedures and Techniques 2 2 Parts Replacement 2 2 Rigid Circuit Boards 2 2 Chip Components 2 2 Chip Component Removal 2 3 ...

Страница 4: ...ulation 4 1 Fail Mode 4 2 Exiting Test Mode 4 2 Section 5 Disassembly Reassembly For 15 W Models Introduction 5 1 Disassemble the Radio 5 1 Remove the Control Head 5 1 Remove the Top Cover 5 1 Remove the Main Board 5 2 Disassemble the Control Head 5 2 Assemble the Radio 5 3 Assemble the Control Head 5 3 Replace the Main Board 5 3 Replace the Top Cover and Control Head 5 3 Section 6 Disassembly Rea...

Страница 5: ...nt Limit 8 4 Thermal Protection 8 4 Synthesizer Detailed Functional Description 8 4 Controller Detailed Functional Description 8 6 General 8 6 Voltage Regulators 8 6 Electronic On Off 8 6 Mechanical On Off 8 6 Ignition 8 7 Hook 8 7 Microprocessor Clock Synthesizer 8 7 Serial Peripheral Interface SPI 8 7 SBEP Serial Interface 8 7 Microprocessor Open Controller 8 7 One Time Programmable Flash Memory...

Страница 6: ...er Section 2 Schematic Diagram for HLF9005A HLF9006A HLF9007A HLF9008A Main Boards Synthesizer Section 3 Schematic Diagram for HLF9005A HLF9006A Main Boards Power Amplifier Section 4 Schematic Diagram for HLF9005A HLF9006A Main Boards Power Control Section 5 Schematic Diagram for HLF9007A HLF9008A Main Boards Power Amplifier Section 6 Schematic Diagram for HLF9007A HLF9008A Main Boards Power Contr...

Страница 7: ...tain authorization from Radius Product Ser vices before returning the component Ordering Replacement Parts You can order additional components and some piece parts directly through your Radius price pages When ordering replacement parts include the complete iden tification number for all chassis kits and components If you do not know a part number include with your order the number of the chassis ...

Страница 8: ...ol Head Board Freq 8 8 Model M11UGD6CB1_N M11UGD6CU1_N Item FLN8529_ HLF9007_ HLF9008_ FLN8744_ Item Description X HUF3025_ Radio Privacy Plus 25 kHz 15 W X X HUF3027_ Radio LTR 25 kHz 15 W X X HUF3026_ Unified Chassis Privacy Plus 25 kHz 15 W X X HUF3028_ Unified Chassis LTR 25 kHz 15 W X X X HCN3018_ Control Head X X X HMN3413_ Compact Microphone X X GLN7317_ Trunnion X X GKN6270_ Power Cable X ...

Страница 9: ...d Board Freq 8 8 Model M11URD6CB1_N M11UGRDCU1_N Item HLN9634_ HLF9005_ HLF9006_ FLN8744_ Item Description X HUF3006_ Radio Privacy Plus 25 kHz 35 W X X HUF3010_ Radio LTR 25 kHz 35 W X X HUF3008_ Unified Chassis Privacy Plus 25 kHz 35 W X X HUF3012_ Unified Chassis LTR 25 kHz 35 W X X X HCN3018_ Control Head X X X HMN3413_ Compact Microphone X X HLN9640_ Trunnion X X HKN4191_ Power Cable X X 6880...

Страница 10: ...71 Ignition Sense Cable GKN6272 External Alarm Relay and Cable Antennas HAF4002 806 900 MHz 1 4 Wave Roof Mount RRA4983 800 MHz 3 dB Gain Roof Mount w Teflon Cable RRA4914 800 MHz 3 dB Gain Roof Mount Control Station RLN4834 Control Station Package 30 W 35 W HLN3067 Control Station Package 12 W 15 W GLN7318 Base Station Tray HPN4001 Power Supply and Cable greater than 25 W HPN4002 Power Supply and...

Страница 11: ...nked Talkgroups Frequency Stability 2 5 ppm Input Voltage 13 6 V dc 13 8 V dc Temperature Range Operating Storage 30 to 60 C 40 to 85 C Tx Current 12 0A 35 W 6 0A 15 W 821 825 MHz 866 870 MHz is available outside of the U S Power Output 35 W 806 821 MHz 20 W 851 866 MHz 15 W 806 821 MHz 10 W 851 866 MHz Channel Spacing 25 kHz Maximum Frequency Separation 15 MHz Modulation Limiting 5 kHz FM Hum Noi...

Страница 12: ... 810C 810D 810E Methods Procedures Methods Procedures Methods Procedures Low Pressure 500 1 1 500 2 1 500 3 1 High Temperature 501 1 1 2 501 2 1 2 501 3 1 2 Low Temperature 502 1 1 502 2 1 2 502 3 1 2 Temperature Shock 503 1 1 503 2 1 503 3 1 Rain 506 1 2 506 2 2 506 3 2 Humidity 507 1 2 507 2 2 507 3 2 Salt Fog 509 1 1 509 2 1 509 3 1 Dust 510 1 1 510 2 1 510 3 1 Vibration 514 2 8 10 514 3 1 514 ...

Страница 13: ...Band Position 2 3 Model Series Position 5 Power Level Position 6 Physical Package Position 12 Position 10 Feature Level Position 8 Primary Operation Position 11 Version Position 9 Primary System Type 806 866 MHz 35 W Standard Control with Display Position 7 Channel Spacing 25 kHz Unique Model Variations Standard Package Version Letter Alpha Major Change Basic Privacy Plus Trunked Twin Type GTX Pri...

Страница 14: ...l with Display Position 7 Channel Spacing 25 kHz Unique Model Variations Standard Package Version Letter Alpha Major Change Basic Privacy Plus Trunked Twin Type GTX Privacy Plus M 1 1 U G J 6 C U 1 A N Position 1 Type of Unit M Mobile Model Number Position 1 2 3 4 5 6 7 8 9 10 11 12 Position 4 Frequency Band Position 2 3 Model Series Position 5 Power Level Position 6 Physical Package Position 12 P...

Страница 15: ...escribed CAUTION This manual is intended for use by expe rienced technicians who are familiar with similar types of equipment Safety information Every radio when transmitting radiates energy into the atmosphere which may under certain conditions causes the generation of a spark All users of vehicles fitted with radios should be aware of the following warnings WARNING Do not operate the radio near ...

Страница 16: ...ment config uration e g bench seat vs bucket seats Contact the vehicle manufacturer s corporate headquarters if nec essary for specific air bag information for the vehicle make model and front compartment configuration involved in your communication equipment installa tion LP Gas Warning WARNING It is mandatory that radios installed in vehicles fueled by liquefied petroleum gas conform to the Nati...

Страница 17: ...tion should be applied sparingly with a stiff non metallic short bristled brush to work all loose dirt away from the radio A soft absorbent lint free cloth or tissue should be used to remove the solution and dry the radio Make sure that no water remains entrapped near the connectors cracks or crev ices Circuit Boards and Components Isopropyl alcohol may be applied with a stiff non metallic short b...

Страница 18: ...device is set down or picked up 7 Always wear a conductive strip when servic ing this equipment The Motorola part num ber for a replacement wrist strap that connects to the table mat is 42 80385A59 8 When straightening CMOS pins provide ground straps for apparatus used 9 When soldering use a grounded soldering iron Repair Procedures and Techniques The radio support center is at the following addre...

Страница 19: ...ed Keeping the heat focus head approximately 1 8 0 3cm above the printed circuit board when removing or replacing the device OMPAC Removal To remove the OMPAC select the R 1070A Air Flow Station and the appropriate heat focus head approxi mately the same size as the OMPAC Attach the heat focus head to the chimney heater Adjust the tempera ture control to approximately 415 F 215 C 445 F 230 C maxim...

Страница 20: ...s Soldering station including a soldering iron with chisel style tip which is approximately 1 8 inch in size Solder flux Solder wick Stiff brush natural bristles approximately 1 cm high and 1 cm wide Thermal compound Motorola Part No 1180382B13 Transistor assembley tool 0293 1 Remove main board from radio chassis fol lowing procedure provided in Section 6 of this service manual Motorola Publicatio...

Страница 21: ...ing Flange Capacitors C6567 and C6568 NOTE Capacitors C6567 and C6568 get mounted flat on transistor collector and ground flanges with non solderable edge flush against transistor body Each capac itor is attached by soldering its outside solderable edge to one of the transistor ground flanges and its inside solderable edge to transistor collector flange There must be a gap of approximately 2 milli...

Страница 22: ...res and Techniques 2 Spread thermal compound on heat sink of the following components Transistor Q6505 PA module U6501 Audio PA module U401 9 3V voltage regulator U601 3 Install transceiver board into radio chassis fol lowing procedure provided in Section 6 of this service manual Motorola Publication 6880905Z99 ...

Страница 23: ... item or no substitution is recommended Table 3 1 Recommended Test Equipment Model No Description Characteristics Application R2000 Series with trunking option Communications System Analyzer Frequency deviation meter and signal generator for wide range troubleshooting and alignment R1053 Dual Trace Oscilloscope 200 MHz bandwidth 5 mV cm 20 Mv cm For waveform measurements FLUKE 8012 Digital Multime...

Страница 24: ...80357A57 110V AC to DC Adapter Used to supply power to the RIB 110 VAC 3080070N01 Combined Interface Cable Connects radio to RLN4008B RIB GKN6270A 15 W Power Cable for radio Interconnects radio to power supply HKN4191B 35 W Power Cable for radio Interconnects radio to power supply 3080369B72 Computer Interface Cable Connects the computer s serial communications adapter 9 pin to the RIB 3080369B71 ...

Страница 25: ...105139W02 30cc plastic syringe and flux paste For use with flux holder applicator 8180369E97 0180386A81 Miniaturedigitalread out soldering station in cludes 1 64 micropoint tip 0180386A78 Illuminated magnifying glass with lens attach ment 0180386A82 Anti static grounding kit Used during all radio assembly and disassembly procedures 6684253C72 Straight prober 6680384A98 Brush 1010041A86 Solder RMA ...

Страница 26: ...3 4 6880905Z99 O June 2000 Test Equipment Service Aids and Tools GTX LTR Privacy Plus 800 MHz Mobile Service Manual Service Tools ...

Страница 27: ... the radio to the next channel cyclical Seven channels are available during test mode as shown in the table below Test Mode Tx Modulation Use PTT switch for modulation type selection A con tinuous press will advance the radio to the next modu lation test cyclic scroll and perform Tx test until PTT is released The modulation selection is described in the table below MODE 4 IS INITIAL MODE CHANNEL T...

Страница 28: ...le 4 3 Fail Mode Error number Failure Description Display Critical Tone Sound 1 Internal RAM F 01 Yes Illegal tone 2 External RAM F 02 Yes Illegal tone 5 OTP checksum F 05 Yes Illegal tone 6 Codeplug checksum E 06 Yes Illegal tone 7 1 Codeplug personality 1 E 06 No Illegal Tone when selected personality has checksum error 8 Codeplug tuning error E 06 Yes Ilegal tone 1 For error no 7 personality sy...

Страница 29: ...ol head releases 4 Pull the control head away from the radio 5 Remove the speaker pad and flat cable from the connector on the radio side Refer to Figure 5 2 and Figure 5 6 Remove the Top Cover 1 Turn the radio upside down 2 Insert a small flat bladed screw driver in the side recesses between the cover and the chassis 3 Tilt the cover until the side snaps off the latch 4 Repeat the operation on th...

Страница 30: ... head and pull gently toward the front of the radio CAUTION The thermal grease can act as an adhe sive and cause the leads of the heat dis sipating devices to be over stressed if the board is lifted too quickly Disassemble the Control Head 1 To pull out the circuit board from the control head housing insert a small bladed screw driver in the side groove near the four pro truding tabs Remove the bo...

Страница 31: ...cesses Replace the Main Board 1 Inspect and if necessary reapply thermal grease to the heatsinking pads in the chassis 2 Rotate the main board into the chassis and ensure that the board is flush to the chassis 3 Install the 8 screws with 0 4 07 NM 4 6 in lbs of torque using a T8 TORX driver 4 Before installing the connector retaining clips ensure that the board is sitting flush on the chassis moun...

Страница 32: ...5 4 6880905Z99 O June 2000 Disassembly Reassembly For 15 W Models GTX LTR Privacy Plus 800 MHz Mobile Service Manual Assemble the Radio ...

Страница 33: ...ol head releases 4 Pull the control head away from the radio 5 Remove the speaker pad and flat cable from the connector on the radio side Refer to Figure 6 2 and Figure 6 7 Remove the Top Cover 1 Turn the radio upside down 2 Insert a small flat bladed screw driver in the side recesses between the cover and the chassis 3 Tilt the cover until the side snaps off the latch 4 Repeat the operation on th...

Страница 34: ...r gasket 5 Pull out the accessory kit 6 Twist the sleeve of the power cable 90 degrees and lift up and out from the chassis 7 Remove the 14 screws securing the main board to the chassis 8 Carefully remove the main board by rotating it out of the chassis 9 Slowly lift the board on the front edge the side with the connector that mates with the control head and pull gently toward the front of the rad...

Страница 35: ...sinking pads in the chassis 2 Rotate the main board into the chassis and ensure that the board is flush to the chassis 3 Install the 14 screws with 0 4 07 NM 4 6 in lbs of torque using a T8 TORX driver 4 Before installing the connector retaining clip and power cable ensure that the board is sit ting flush on the chassis mounting surface 5 Install the PA shield and secure it with the 4 screws Repla...

Страница 36: ...6 4 6880905Z99 O July 2000 Disassembly Reassembly For 35 W Models GTX LTR Privacy Plus 800 MHz Mobile Service Manual Assemble the Radio ...

Страница 37: ...to return to the MAIN menu screen before disconnecting the radio Improper exits from the SERVICE screens may leave the radio in an improperly configured state and result in seriously degraded radio or system per formance The SERVICE screens use the concept of the Softpot an analog SOFTware controlled POTentiometer used for adjusting all transceiver alignment controls BNC RIB RIB POWER SUPPLY COMPU...

Страница 38: ... checked on installation and at least annu ally Adjustment of the reference oscillator is critical for proper radio operation Improper adjustment will not only result in poor operation but also a misaligned radio that will interfere with other users operating on adjacent channels For this reason the reference oscilla tor should be checked every time the radio is serviced The frequency counter used...

Страница 39: ...l to the operation of signaling schemes that have very low frequency components e g DPL and could result in distorted waveforms if improperly adjusted 1 Press F6 to select TX DEVIATION CALIBRA TION The screen will indicate the transmit test frequencies to be used 2 Begin with the lowest test frequency shown on the screen 3 Press F6 to key the radio Record this measure ment 4 Press F4 to select 2 5...

Страница 40: ...s volume control to obtain rated audio power at the external speaker of the accessory connector 5 Reduce the RF input level until 10 dB SINAD is measured 6 Adjust the UP DOWN arrow key until the squelch just closes Monitor for squelch chat ter and adjust UP as required 7 When no chatter is detected press F8 to pro gram Ending the Tuning Procedure 1 Press F2 to continue 2 Press F10 F10 to return to...

Страница 41: ...ch pro vide the user with interface control over the various features of the radio and a display In addition to the power cable and antenna cable an accessory cable can be attached to a connector on the rear of the radio The accessory cable provides the nec essary connections for items such as external speaker foot operated PTT ignition sensing public address remote desk set and data modem Figure ...

Страница 42: ... 45 1 MHz A diplexer matches the mixer IF port to 50 Ohm out of the IF frequency band The diplexer consists of R5401 C5404 L5402 The IF signal is fed to first crystal filter Y5201 through matching network L5401 C5200 Crystal filter Y5201 has two poles The crystal filter is followed by matching elements that match the filter output impedance to the input impedance of IF ampli fier Q5201 Following t...

Страница 43: ...f The off capacitance of CR6502 is tuned by L6508 to form a high impedance looking into the transmitter Therefore energy coming in the receive mode is channeled to the RX port Harmonics of the transmitter are attenuated by the har monic filter The harmonic filter is formed by inductors L6513 and L6518 as well as capacitors C6540 C6542 C6551 C6553 This network forms a low pass filter to attenuate h...

Страница 44: ...ermined by the magnitude of the collector current in Q6505 It uses this as a limiting mechanism whereby the power control circuit limits the magnitude of current that can be drawn by Q6505 This protects the device from over dissipa tion Bias voltage reverse polarity protection for the transmit ter is provided by diode CR6508 Under reverse polarity conditions to the radio this diode conducts and pr...

Страница 45: ...he output of the buffer U5701 5 is applied to the input of the feedback amplifier Q5703 through an attenuator network consisting of R5735 R5733 and R5732 To close the synthesizer loop the output of Q5703 is connected to PREIN U5702 20 of the synthe sizer The buffer output U5701 5 also provides the sig nal for receiver LO injection and transmit injection line up The charge pump current is present a...

Страница 46: ...ire 5 VDC while the radio is off UNSW_ 5V_CL is used to save the internal U103 RAM data C622 allows the battery voltage to be discon nected for a couple of minutes without losing RAM parameters Diode D621 prevents radio circuitry from discharging this capacitor The SW_ B voltage is monitored by the µP through voltage divider R641 642 Diode VR641 limits the divided voltage to 5 1 VDC in order to pr...

Страница 47: ...re quency usually 7 3728 or 14 7456 MHz and continues operation The ASFIC synthesizer clock is controlled by the soft ware and may slightly be changed while harmonics of this clock source interfere with the specific radio receive frequency The ASFIC synthesizer loop components C228 C229 and R222 set the switching time and jitter of the clock output If the synthesizer cannot generate the required c...

Страница 48: ...ine a common symptom is that short negative pulses occur on the RESET line with a period of 20 msec When two lines are short circuited mid logic level around 2 5 V may be observed while these lines are opposite driven by two different ICs The MODA LIR U101 77 and MODB VSTPY U101 76 inputs to the K1µP must be at a logic 1 level for proper operation After the K1µP starts execution it will periodical...

Страница 49: ... the lines are A D converted inside the µP and specify the pressed button All the back light and indicator LEDs are driven by cur rent sources and controlled by the µP via SERIAL PERIPHERAL INTERFACE SPI interface The LED status is stored in shift register U941 P Line LED CE enables the serial write process via Q941 P while line LED CLCK BUF shifts the data of line SPI DATA BUF into the shift regi...

Страница 50: ...mic audio path PTT can be configured to enable the EXT_MIC audio path when J400 2 is connected with an external mic audio input Data PTT is configured to enable the flat transmit audio path when J400 5 is configured for FLAT_TX_AUDIO Inside the ASFIC the mic audio is filtered to eliminate components outside the 300 3000Hz voice band and pre emphasize The capacitor C231 between ASFIC pre emphasis o...

Страница 51: ...1 C3 at twelve times the desired data rate For example for a PL frequency of 103 Hz the fre quency of the square wave would be 1236 Hz This drives a tone generator inside U201 which gener ates a staircase approximation to a PL sine wave or DPL data pattern This internal waveform is then low pass filtered and summed with voice or data The resulting summed waveform then appears on U201 H8 MOD IN whe...

Страница 52: ...Circuits Squelch Detect The radio s RF circuits are constantly producing an output at the discriminator U5201 28 This signal DET_AUDIO is routed to the ASFIC s squelch detect circuitry input SQIN U201 H7 All of the squelch detect circuitry is contained within the ASFIC There fore from a user s point of view DET_AUDIO enters the ASFIC and the ASFIC produces two CMOS logic outputs based on the resul...

Страница 53: ...o determine if it is the tone code which is currently active on that mode Audio Amplification Speaker Speaker The ASFIC s received audio signal output U201 J4 is routed through a voltage divider formed by R401 and R402 to set the correct input level to the audio PA U401 This is necessary because the gain of the audio PA is 46 dB and the ASFIC output is capable of over driving the PA unless the max...

Страница 54: ...235 is routed from U402 pin 6 to pin 5 amplified by U403 and applied to J0400 11 via R419 and C419 The values of R235 and R236 provide the correct audio levels for GATED and FLAT_RX _AUDIO paths respectively The GATED_RX_AUDIO signal is PL filtered de emphasized and controlled by the squelch mute gate The FLAT_ RX_AUDIO signal is non de emphasized unmuted and is flat between 0 6 Hz and 3 kHz The r...

Страница 55: ...for External Data Modem applications NOTE The radio is shipped with Ignition Sense disabled and Remote Desk Set Public Address and External Alarm enabled Remote Desk Set For Remote Desk Set applications switch S401 1 3 should be ON This pulls the analog switch control line U402 9 low and the switch positions of U402 are as shown in the schematic The PTT signal from the desk set at U400 3 is routed...

Страница 56: ...he radio which tells the modem that the radio is transmitting by pulling J400 4 low Two non simultaneous conditions are summed to recognize transmit mode under all timing conditions If PTT is low Q410 is off and a high is provided via R440 D403 U402 pins 12 13 and R411 to turn on Q411 and pull J400 4 low If the transmit enable voltage K9V1_ENABLE is high a high is provided via D403 U402 pins 12 13...

Страница 57: ...ction 9 Troubleshooting Overview This section contains six troubleshooting tables for the following GTX components Receiver Synthesizer 15W 35W Power Amplifier Controller Control Head Troubleshooting Charts Refer to following pages ...

Страница 58: ...Bm Check Is 22dBm Check All the levels indicated have No Yes Yes Yes No No No Replace Yes Yes No Yes No DC circuit logic circuit Rx Tx switch synthesizer controller circuit Y5201 Q5201 Y5202 U5211 Q5301 level level on L5401 present on R5302 Circuit present at AC level 0 2Vrms 1KHz End Y5202 3 Y5202 1 45 1MHz present at U5211 5 No at Q742 C 50dBm a tolerance of 10 NOTE level Is present at RF_REG_5V...

Страница 59: ...Check Check 5V DC at 5V Check 1 VDC 4 7 VDC 9 VDC Is RF level Is RF level Check Check FL5201 Check FL5202 13dBm 2dB 3dBm 2dB 3dBm 2dB 0 VDC Check No No Yes Yes Yes B IF circuit at C5208 at U5201 22 DIFFERENCE BETWEEN IN OUT DIFFERENCE BETWEEN IN OUT DIFFERENCE BETWEEN IN OUT U5201 on Y5213 at 44 645MHz on FL5201 IN OUT at 455KHz circuit circuit Y5213 circuit control circuit DC circuit circuit U520...

Страница 60: ...there Yes No SYNTHESIZER DEVIATION SYNTHESIZER PENDULUM Start Is 2 1 MHz Replace R5731 Check C5733 and R5715 Replace U5702 Replace L5700 Check L5704 Replace U5703 Replace U5700 Check C5738 C5724 C5713 and L5709 Is 16 8 MHz Is 5V present at U5700 13 Is 5V present at L5700 Is 5V present at U5703 2 Is 9 3V present at U5703 1 Is 16 8MHz present at U5700 10 at R5731 present at U5700 10 present Yes Yes ...

Страница 61: ...rvice Manual Troubleshooting Troubleshooting Charts Troubleshooting Flow Chart for Synthesizer cont NO Tx INJECTION Start Is 5V present at Q5707 C Check Q5707 Is 2 1 MHz present at R5731 DC circuit Check Q5701 and Q5705 DC circuits Check RF path line up No Yes Yes No ...

Страница 62: ...Is TX_INJ Go to controller No No No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes OK control head troubleshooting 5V at Is there K9 1_ENB troubleshooting 9 3V at Q741 or Q742 Replace Q741 and Q742 synthesizer troubleshooting troubleshooting PA_ENABLE PA_PWR_SET at U702 2 there 2V or software Is there 0V at U701 7 Check CR6509 R6515 CR6506 R6514 L6516 R6512 L6515 R725 R...

Страница 63: ...02 R6520 Replace U6501 Check C6555 CR6502 Check H6502 L2 L3 L4 Is there 5V at Go to synthesizer 35 W PA RF SECTION FAULT PA LOGIC SECTION FAULT Is TX_INJ Go to controller No No No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes OK control head troubleshooting 5V at Is there K9 1_ENB troubleshooting 9 3V at Q741 or Q742 Replace Q741 and Q742 synthesizer troubleshooting tr...

Страница 64: ...at U202 pin 8 Audio problem Trouble shoot audio circuitry With power connected to radio and the radio turned on check the following 1 5 V at pin 1 of U631 and pin 71 12 31 41 of U101 2 Check for 14 7456 MHz at pin 73 of U101 3 Check DC at pin 75 of U101 If 4 5V DC check C202 for 2 1 MHz signal 4 Check for typical voltages of U101 and U201 beep present turn on present Done Done Done Yes Yes Yes Yes...

Страница 65: ...Chart for Control Head Start Check controller Check LCD U932 Q953 and ZEBRA connectors Check U941 Q942 4 D942 4 Check R915 922 R955 and R958 Do the LEDs light Check U942 and U970 Is backlight OK Is volume OK Check U941 Q951 Q952 D951 D970 Is keypad OK Is the display on Is SPI communication OK End Yes No Yes Yes Yes No Yes Yes No No No No ...

Страница 66: ...9 10 6880905Z99 O June 2000 Troubleshooting GTX LTR Privacy Plus 800 MHz Mobile Service Manual Troubleshooting Charts ...

Страница 67: ...N_CE K9V1_ENABLE LOCK_DET MOD_IN PA_ENABLE PEND_CE RSSI SPI_CLCK_SRC SPI_CLK SPI_DATA SPI_DATA_SRC SW_B SW_B TEMP VAG VFORWARD CURRENT_SENSE CURRENT_SENSE FLT_A K9 1 PA_CNTRL PA_K9 1 PA_TEMP RX_IN TX_INJ VFORWARD CONTROLLER 2_1MHZ 9V3 9V3 CURRENT_SENSE CURRENT_SENSE DAC_CE K9 1 K9 1_ENABLE PA_CNTRL PA_ENABLE PA_TEMP SPI_CLCK_SRC SPI_DATA_SRC Schematic Diagram for HLF9005A HLF9006A HLF9007A HLF9008...

Страница 68: ...5324 L5202 00H C5324 0 01UF Q5301 C5212 13PF Q5201 68NH C5225 3 3UF L5322 C5227 4 7UF SHIELD SH5202 9V3 10 R5322 0 R5241 C5206 00 R5223 7 5K R5224 13K RF_REG_5V C5321 39PF C5213 36PF R5204 SHIELD SH5201 CASE IN OUT RF_REG_5V SHIELD SH5203 100 L5203 860MHz FL5203 GND 2 IN 1 OUT 3 1 0UH R5240 455KHz FL5202 390 R5325 100 L5302 6 8n C5312 3pF R5221 130K C5214 3 9PF C5224 1500PF R5302 220 27PF C5404 C5...

Страница 69: ...C 28 N C 29 N C 30 PENDULLUM U5700 4 7UF C5718 Q5706 0 1UF C5805 C5733 22NF C5766 39PF R5709 200K R5700 2 2K 39PF C5760 510 R5726 8V5 R5747 6 8K C5814 39PF Q5705 0 1UF C5773 39PF 0 1UF C5804 C5721 150NH L5708 39PF Q5703 C5755 5V_REG 9 3V C5802 0 1UF R5731 100 C5797 0 1UF SW_TX C5725 0 1UF R5740 51 0 1UF C5796 51 SHIELD E5703 R5739 C5743 C5752 39PF 22NF 0 1UF C5731 E5704 SHIELD C5717 4 7uF 5V_REG 0...

Страница 70: ...6515 57R01 R6509 L6518 C6520 2 7pF 0 1UF C6550 C6519 C6533 39PF L6508 57R01 39pF L6510 57R01 560 3 AUX_IN 4 AUX_OUT 2 GND 5 NC 1 R6504 U6502 V L6504 39PF C6505 C6508 0 01UF CR6503 MA4P1250 L6519 57R01 C6545 01uF 0 1uF C6546 560 R6528 Q6505 C6525 1000PF C6524 022uF C6570 39pF 1 5K R6523 1 5K R6525 C6544 39PF C6506 1pF 39PF C6534 R6503 L6515 10 L6507 2 5nH 68nH J6501 0 1UF C6549 3 2 1 Q6506 CR6501 6...

Страница 71: ...K 6 5 7 4 11 CR721 10 8 4 11 U701 LM2902 LM2902 U701 9 1 5K C703 39PF R703 R741 22K R713 510 4 7K R736 4 7K R737 39PF 100K R723 C726 5 6K R721 NC NC 3 3K R724 NC NC NC NC NC NC 10K R725 100K R706 R732 4 7K R714 100 Q731 1 5K R742 2 2K R740 10 0K R718 1K R719 100K R730 R731 100K 100K R729 22K R727 0 1uF C724 R716 R717 10K 10K 00 C714 R720 R715 1K R733 10 0K 100K 4 7K R728 DAC_CE SPI_CLCK_SRC SPI_DA...

Страница 72: ...6526 R6515 VR6501 12V 22 R6502 C6512 0 1UF CR6504 0 1UF 7 66NH L6518 C6546 39PF C6519 R6523 0 1UF C6513 1 5K C6527 39PF 5 6PF C6524 22NF C6502 L6505 CR6506 CR6501 3 2 1 C6538 39PF L6514 68nH 82nH R6537 47 L6504 L6520 C6533 39PF 1000PF NC C6535 39PF C6525 J6501 NC C6534 39PF 10 R6526 NC MA4P1250 CR6502 0 1UF C6549 J6502 2 68nH L6509 L6503 68nH 0 01UF C6510 L6506 L6502 7 66NH 100 R6512 1 L6517 68nH ...

Страница 73: ...39PF C702 22K 39PF NC NC R704 NC NC NC NC R734 4 7K 4 7K Q1 OUT 2 Q2 OUT 4 Q3 OUT 11 Q4 OUT 13 R1 OUT 3 R2 OUT 5 R3 OUT 12 R4 OUT 14 VDD 16 VSS 7 R733 U702 MC144111 CLOCK 10 DIN 1 DOUT 15 ENABLE_ 6 NC1 8 NC2 9 R716 3 74K R715 R720 10 0K 1K 510 R713 R736 4 7K R737 4 7K C726 R723 100K 39PF R721 5 6K R724 3 3K R727 22K 0 1uF C724 10K R726 C741 39PF 39PF C723 C722 39PF SW_B SW_B SW_B 39PF C725 VFORWAR...

Страница 74: ...ESS RESET RSSI RSSI_BUF RX_AUDIO SCI_TX SPI_CLCK_SRC B _CONTROL BATTERY_VOLTAGE BUS DAC_CE DATA_PTT DET_AUDIO EXTERNAL_ALARM FAST_OFF_IGN FLAT_RX_AUDIO FLAT_TX_AUDIO FLT_A FRACN_CE GATED_RX_AUDIO HOOK_RSS IGNITION_SENSE INT_SPKR SUPPLY_VOLTAGE 5V 9V3 B _CONTROL BATTERY_VOLTAGE FLT_A IGNITION_CONTROL ON_OFF_CONTROL RESET SW_B USW_ 5V_CL AUDIO_ _DIGITAL 5V 2_1MHZ 9V3 ADAPT AUDIO_PA_ENABLE SW_B RSSI ...

Страница 75: ...2 26 A13 1 A14 5V U103 C132 1uF NC NC 10K R209 CS_ 1 7 HOLD_ SCK 6 SI 5 2 SO 8 VCC 4 VSS 3 WP_ U104 R202 10K 0NU R143 NC R111 4 7K 17 R151 200K C252 10uF C254 0 1uF L132 270nH C113 01uF L424 L423 R102 NC 5 200K 5V 100K R236 47K 9V3 4 R222 L131 270nH 10uF R145 C232 1 10K C234 0 1uF 39PF C645 U106 4 5 6 10 4 C208 330pF NC Q141 CR151 39PF 6 C241 C101 13 0 1uF C233 33pF 1uF C222 2 CR150 C131 0 1uF C65...

Страница 76: ... 8 VSS W 14 W0 15 W1 C412 U402 39PF C414 1000pF 7 200K R418 7 VCC GROUND 2 GND1 5 GND2 9 INV 8 M_SS 1 NINV 4 OUT1 6 OUT2 3 RR U401 R421 560 R460 200K 5V 5V EXT_RX_AUDIO 11 10K R426 1M Q460 U460 6 7 5 8 4 R463 L414 100 R419 VR431 R405 10K 14V 5V C451 C409 39PF 1uF R422 R427 100K FLT_A 4 7K BLM21A05 L405 L435 01uF C408 L404 BLM21A05 F401 R442 47K 2 500mA 63V PUBLIC_ADDRESS SPEAKER_MUTE 12 EXTERNAL_M...

Страница 77: ...2K 5 1V VR641 10uF C603 10K R613 R615 TP601 3 3K 16 2K R601 R642 10K 33uF 3 2 1 C632 D621 47 5K R641 Q611 7 5K R602 C602 1uF R631 10 R616 10K C613 39PF C641 0 1uF C633 R611 022uF 1 2K 33uF C604 C635 C631 1uF Q612 1uF R612 3 3K 47uF 1 2 3 4 5 6 C611 U601 SW_B FLT_A USW_ 5V_CL 47uF C634 RESET 5V ON_OFF_CONTROL B _CONTROL IGNITION_CONTROL 9V3 BATTERY_VOLTAGE Schematic Diagram for HLF9005A HLF9006A HL...

Страница 78: ...12 6880905Z99 O June 2000 Circuit Board Details for HLF9005A HLF9006A Main Boards ...

Страница 79: ...2462587T17 inductor 150 nH 5 low PRO L5709 2462587Q44 inductor 560 nH 10 L6501 2462587T13 inductor 68 nH 5 low PRO L6502 2460591A11 inductor 7 66 nH air wound L6503 2462587T13 inductor 68 nH 5 low PRO L6504 thru 6506 2484657R01 ferrite bead L6507 2484562T01 inductor 2 5 nH L6508 2484657R01 ferrite bead L6509 2460591R53 inductor 82 nH L6510 2484657R01 ferrite bead L6511 2462587T13 inductor 68 nH 5 ...

Страница 80: ...14 6880905Z99 O June 2000 Circuit Board Details for HLF9007A HLF9008A Main Boards ...

Страница 81: ...2587T30 inductor 1 0 uH 5 low PRO L5708 2462587T17 inductor 150 nH 5 low PRO L5709 2462587Q44 inductor 560 nH 10 L6501 2462587T13 inductor 68 nH 5 low PRO L6502 2460591A11 inductor 7 66 nH air wound L6503 2462587T13 inductor 68 nH 5 low PRO L6504 thru 6506 2484657R01 ferrite bead L6507 2460591R53 inductor 82 nH L6508 2460591E24 inductor 23 75 nH air wound L6509 2462587T13 inductor 68 nH 5 low PRO ...

Страница 82: ...reen D957 green green D954 Q944 TP902 Q943 C901 470pF R952 20K 2 INT_SPKR 18 INT_SPKR 1 LCD_CE 11 INT_SPKR 4 7K R922 BUS 4 15 2 PTT 5V 10 FLT_A C925 NU C915 NU OUTPUT_B 4 15 OUTPUT_B 5 14 OUTPUT_B 6 13 OUTPUT_B 7 12 OUTPUT_B 8 11 OUTPUT_B 9 22 VDD 2 VSS OUTPUT_B 2 42 OUTPUT_B 20 41 OUTPUT_B 21 40 OUTPUT_B 22 39 OUTPUT_B 23 38 OUTPUT_B 24 37 OUTPUT_B 25 36 OUTPUT_B 26 35 OUTPUT_B 27 34 OUTPUT_B 28 ...

Страница 83: ...805729G75 green H931 7202662Y01 display_LCD connector receptacle J901 0902636Y01 connector flex cable side entry J902 2809926G01 SMT header J903 2805924V01 mic connector transistor see note Q925 4880048M01 NPN DIG 47k 47k Q941 4880048M01 NPN DIG 47k 47k Q942 thru 944 4813824A10 NPN 40 V 0 2A general purpose Q951 4813824A10 NPN 25 V 5A Q952 4813822A20 NPN_MJD200T4 resistor fixed 5 1 8 W unless othe...

Страница 84: ...ypad 7 7202631Y01 LCD display 8 2802638Y02 connector 9 0780360K01 LCD frame 10 FLN8744 control head board 11 8402618Y01 flexible circuit 12 3202620Y01 control head gasket 13 14 15 0185808L01 assembly cover 16 main board 17 2680565V01 PA shield 18 0310907A20 mechanical screw M3x0 5x18 19 3080562V01 power cable 20 2680567V01 PM shield 21 4205938V01 clip spring 22 FHN5875 accessory kit 23 3202606Y01 ...

Страница 85: ...t 6 7580358K01 keypad 7 7202631Y01 LCD display 8 2802638Y02 connector 9 0780360K01 LCD frame 10 FLN8744 control head board 11 8402618Y01 flexible circuit 12 3202620Y01 control head gasket 13 2680439K01 cover shield 14 3202619Y01 cover gasket 15 1580355K01 cover assembly 16 main board 17 2680519K01 PA shield 18 0310907A20 mechanical screw M3x0 5x10 19 4205938V01 clip spring 20 4280587L01 accessory ...

Страница 86: ...IL ORDERS Send written orders to the following addresses TELEPHONE ORDERS TELEX FAX ORDERS Replacement Parts Test Equipment Manuals Crystal Service Items Motorola Inc Americas Parts Division Attention Order Processing 1313 E Algonquin Road Schaumburg IL 60196 Federal Government Orders Motorola Inc Americas Parts Division Attention Order Processing 7230 Parkway Drive Landover MD 21076 International...

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