Directed Audio 2150 Guide de l'utilisateur

Chapter 8 UHF Band Information8.1 Model Charts PRO2150 Portable Radio, UHF, 403-440 MHzModel DescriptionLAH49QCH8AA9_N PRO2150, 403-440MHz, 1-4W, 12.5

August 30, 2002 99R85452E01-O8-10UHF Band Information: Block Diagrams8.4.2 ControllerFigure 8-3. 8.4.3 VCOFigure 8-4. KeyPad35RCNETWORK9RCNETWORK3MI

99R85452E01-O August 30, 2002UHF Band Information: Block Diagrams 8-118.4.4 TransmitterFigure 8-5. 8.4.5 ReceiverFigure 8-6. ANTTo ReceiverTX +B+BTX

August 30, 2002 99R85452E01-O8-12UHF Band Information: Troubleshooting Charts8.5 Troubleshooting ChartsFigure 8-7. Troubleshooting Flow Chartfor Rece

99R85452E01-O August 30, 2002UHF Band Information: Troubleshooting Charts 8-13Figure 8-8. Troubleshooting Flow Chart for TransmitterStartNoPower+5VTX

August 30, 2002 99R85452E01-O8-14UHF Band Information: Troubleshooting ChartsFigure 8-9. Is informationfrom µP Q101correct?Is Q330 corrector AT4.65 V

99R85452E01-O August 30, 2002UHF Band Information: Troubleshooting Charts 8-15Figure 8-10. Troubleshooting Flow Chart for MicrocontrollerSTARTAPPLY P

August 30, 2002 99R85452E01-O8-16UHF Band Information: Troubleshooting ChartsFigure 8-11. Make sure Synthesizer isworking correctly. 1.6 VDC atQ308 B

8-1799R85452E01-O August 30, 2002Chapter 8 UHF 403-440 MHz Circuit Board/Schematic Diagrams and Parts List

8-18 August 30, 2002 99R85452E01-OFigure 8-12. UHF 403-440 MHz Controller BoardC140Q114C171C139C138C137Q121C129R173R174R182C135R180R177C117C173C136R1

8-1999R85452E01-O August 30, 2002Figure 8-13. UHF 403-440 MHz Top Side Controller BoardC142C141R109R108Q119Q118Q116 Q115R107LC101M101

August 30, 2002 99R85452E01-O8-2UHF Band Information: Model Charts PRO2150 Portable Radio, UHF, 435-480 MHzModel DescriptionLAH49RCH8AA9_N PRO2150, 43

8-20 August 30, 2002 99R85452E01-OFigure 8-14. UHF 403-440 MHz Controller Board SchematicQ115R10747Q116COM01COM12COM23COM34SEG05SEG16SEG27SEG38SEG49S

8-2199R85452E01-O August 30, 2002Figure 8-15. UHF 403-440 MHz Main Board Top SideJ401C714C716C715J701C718C717C402 R401 R402C406R455C404 C401C408 C40

8-22 August 30, 2002 99R85452E01-OFigure 8-16. UHF 403-440 MHz Main Board Bottom SideR652R651R650C634C627R639R640R641C608C607R609R608C604R607C605C603

8-2399R85452E01-O August 30, 2002Figure 8-17. UHF 403-440 MHz RF Schematics DiagramJ40102D04852JL4150.4-1.0-5TC4409pC44310pL4160.4-1.0-5TC4411.5pC44

8-24August 30, 2002 99R85452E01-OUHF 403-440 MHz Radio Parts List (Controller Board)Circuit Ref Description VendorVendor Part NumberMotorola Equivalen

8-2599R85452E01-O August 30, 2002R112 13 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 133 0662057A76R113 22 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 223 0662057A81R114 43

8-26August 30, 2002 99R85452E01-OUHF 403-440 MHz Radio Parts List (RF Board)Circuit Ref Description VendorVendor Part NumberMotorola Equivalent Part N

8-2799R85452E01-O August 30, 2002C438 100pF; 50V; +-5% Murata GRM39CH101J50PT 2113740F51C439 220pF; 50V; +-10% Murata GRM39B221K50PT N/AC440 9pF; 50V;

8-28August 30, 2002 99R85452E01-OC605 680pF; 50V; +10% Murata GRM39B681K50PT N/AC606 0.1uF; 16V; +-10% Murata GRM39B104K16PT N/AC607 0.1uF; 16V; +-10%

8-2999R85452E01-O August 30, 2002Q613 PNP Rohm DTA144EETL N/AQ616 FET Toshiba SSM3K03FE-TE85L N/AQ701 Digital transistor Rohm DTC144EETL 4880048M03Q70

8-3 SpecificationsAugust 30, 2002 99R85452E01-O8.2 SpecificationsGeneralTransmitterReceiverUHFFrequency: 403-440 MHz435-480 MHzChannel Capacity: 99Pow

8-30August 30, 2002 99R85452E01-OCERAMIC FILTER:F401 NUF501 Ceramic filter Tok o BLFYM455D N/AF502 455Khz TOKO ALFYM455G N/ACRYSTALF402 Filter , 45.1

8-3199R85452E01-O August 30, 2002R437 4.7 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 472 0662057A65R438 1 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 102 0662057A49R439 33

8-32August 30, 2002 99R85452E01-OR628 0 ohm; 0.1W; +-5% Rohm MCR03 EZHJ 000 0662057B47R629 NUR631 NUR633 18 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 183 06620

8-3399R85452E01-O August 30, 2002Chapter 8 UHF 435-480 MHz Circuit Board/Schematic Diagrams and Parts List

8-34 August 30, 2002 99R85452E01-OFigure 8-18. UHF 435-480 MHz Controller BoardC142C141R109R108Q119Q118Q116 Q115R107LC101M101C140Q114C171C139C138C137

8-3599R85452E01-O August 30, 2002Figure 8-19. UHF 435-480 MHz Main Board Top SideR652R651R650C634C627R639R640R641C608C607R609R608C604R607C605C603R60

8-36 August 30, 2002 99R85452E01-OFigure 8-20. UHF 435-480 MHz Main Board Bottom SideJ401C714C716C715J701C718C717C402 R401 R402C406R455C404 C401C408

8-3799R85452E01-O August 30, 2002Figure 8-21. UHF 435-480 MHz Complete Controller Board Schematic DiagramQ115R10747Q116COM01COM12COM23COM34SEG05SEG1

8-38 August 30, 2002 99R85452E01-OFigure 8-22. UHF 435-480 MHz Main BoardC4018p(R2) 8p(R1)C4025p(R2) 4p(R1)Q4011SV279Q4021SV279L4010.3-1.0-5TC4072p(R

8-3999R85452E01-O August 30, 2002UHF 435-480 MHz Radio Parts List (Controller Board)Circuit Ref Description VendorVendor Part NumberMotorola Equivalen

August 30, 2002 99R85452E01-OThis Page Intentionally Left Blank8-4UHF Band Information: Theory of Operation8.3 Theory of Operation8.3.1 General Inform

8-40August 30, 2002 99R85452E01-OR112 13 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 133 0662057A76R113 22 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 223 0662057A81R114 43

8-4199R85452E01-O August 30, 2002UHF 435-480 MHz Radio Parts List (RF Board)Circuit Ref Description VendorVendor Part NumberMotorola Equivalent Part N

8-42August 30, 2002 99R85452E01-OC440 10pF; 50V; +-0.5pF Murata GRM39CH100D50PT 2113740F27C441 1.5pF; 50V; +-5% Murata GRM39CK1R5C50PT N/AC442 1pF; 50

8-4399R85452E01-O August 30, 2002C606 0.1uF; 16V; +-10% Murata GRM39B104K16PT N/AC607 0.1uF; 16V; +-10% Murata GRM39B104K16PT N/AC608 NUC612 10pF; 50V

8-44August 30, 2002 99R85452E01-OL414 Airwound Coil Uchida/Latest E2-0.40-1.0-5TL N/AL415 Airwound Coil Uchida/Latest E2-0.40-1.0-5TL N/AL416 Airwound

8-4599R85452E01-O August 30, 2002Q916 FET NEC 2SJ243-T1 N/AQ921 Var. Cap. Diode Toshiba JDV2S01E-TPH3 N/AQ922 Var. Cap. Diode Toshiba 1SV270-TPH3 N/AR

8-46August 30, 2002 99R85452E01-OR454 15 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 153 0662057A77R455 100 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 104 0662057A97R459 3

8-4799R85452E01-O August 30, 2002R648 470 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 474 0662057B14R649 100 Kohm; 0.1W; +-5% Rohm MCR03 EZHJ 104 0662057A97R650

8-48 August 30, 2002 99R85452E01-OThis Page Intentionally Left Blank

Glossary of Terms GlossaryTerm DefinitionActive Scan State The state when the radio is in Scan Mode, and when the radio is rapidly moving through the

99R85452E01-O August 30, 2002UHF Band Information: Theory of Operation 8-56. This personality data is used to initialize the radio.7. The radio restor

August 30, 2002 99R85452E01-OGlossary-2Digital Private Line (DPL)DPL is a digital format transmitted along with the carrier. DPL allows for more use a

99R85452E01-O August 30, 2002Glossary-3MinimumFrequencyThe lowest frequency setting at which the radio is allowed to operate. The radio’s frequency ra

August 30, 2002 99R85452E01-OGlossary-4Priority #1 Scan List MemberThe first member in the current Scan List. When the radio is scanning a Scan List (

99R85452E01-O August 30, 2002Glossary-5Reverse Burst / Turn Off CodeCauses a Tone Private Line (TPL) or Digital Private Line (DPL) code to be transmit

August 30, 2002 99R85452E01-OGlossary-6Squelch Level The amount of carrier energy required to unmute the radio’s speaker upon satisfying the selected

99R85452E01-O August 30, 2002Glossary-7User Defined PL FrequencyYou can customize up to three non standard PL frequencies to provide more choices for

August 30, 2002 99R85452E01-OThis Page Intentionally Left BlankGlossary-8

99R85452E01-O*9985452E01*MOTOROLA and the Stylized M Logo are registered in theU.S. Patent and Trademark Office. All other product or servicenames are

August 30, 2002 99R85452E01-O8-6UHF Band Information: Theory of Operation8.3.5.3 SynthesizerThe frequency synthesizer is a large-scale monolithic syn

99R85452E01-O August 30, 2002UHF Band Information: Theory of Operation 8-78.3.6.3 Power ControlOutput power is controlled by the CPU (Q101), the D/A

August 30, 2002 99R85452E01-O8-8UHF Band Information: Theory of Operation8.3.7.3 MixerThe mixer is a DBM type (L408, L409, Q407). The mixer LO freque

99R85452E01-O August 30, 2002UHF Band Information: Block Diagrams 8-98.4 Block Diagrams8.4.1 CompleteFigure 8-2. SAVE 5VRX 5V5VDACRXKeyPadPowerInputT