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Patriot RITRON SST-442, Руководство по эксплуатации и обслуживанию, Страница: 33 / 37

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SCHEMATIC REFERENCE PARTS LIST

SST-442

30

Ref

Ritron PN

Description

X

Y

Theta

Loc

INTEGRATED CIRCUITS

IC101

31030003

MC3371D SUBSYSTEM IC, SO-16

314

1158

270

Bottom

IC301

314G0306

MCU, 28 PIN, SOIC, SST/JMX 4 SERIES v06

992

2546

0

Bottom

IC302

31210005

EEPROM, 512X8, 24C04

989

2501

180

Top

IC303

310K0004

LMV324MT RAIL TO RAIL QUAD OP AMP

474

2442

180

Top

IC304

311K0003

SWITCH,ANALOG,TRIPLE SPDT,4053,TSSOP-16

226

2683

0

Top

IC305

310K0003

LMV358MM DUAL OP AMP, GP LV R/R TSSOP

404

3120

0

Top

IC306

310K0001

DS1806E 6 PROG POTS 10K OHM 20-PIN TSSOP

242

2185

0

Top

IC307

31010004

LM386MX-1 AUDIO AMP SO-8

1331

583

90

Bottom

IC308

310K0002

MAX7410 5TH ORDER SW CAP BUTTERWORTH LPF407

2946

0

Top

IC309

310E0002

REGULATOR,LDO,LP2980,5V,W ENABLE,SOT-25

162

504

0

Top

IC401

313K0005

SYNTHESIZER, MC145193, TSSOP

891

1265

180

Top

JACKS

J301

02100001

2.5MM PC-MT JACK; ANT-CHGR

1178

4668

0

Top

J303

02100053

3.5MM STEREO JACK; PANEL MOUNT

1560

4646

0

Top

INDUCTORS

L101

01850201

1.5T SW COIL W/5MM SHIELD & ALUM CORE

721

4291

90

Top

L102

18110151

CHIP INDUCTOR .15uhy

629

3722

270

Top

L103

01850201

1.5T SW COIL W/5MM SHIELD & ALUM CORE

484

4291

270

Top

L104

01850201

1.5T SW COIL W/5MM SHIELD & ALUM CORE

204

4292

270

Top

L105

18433103

3T AIRCOIL, SMT, 8.0nH, .120 X .145

332

3901

0

Top

L106

18110102

CHIP INDUCTOR 1.0uhy

280

3474

0

Top

L107

18433101

1T AIRCOIL, SMT 2.5nH, .120 X .145

480

3492

180

Top

L108

18110681

CHIP INDUCTOR .68uhy

51

1658

180

Bottom

L201

18414104

4.5T AIRCOIL #24AWG .0625ID RHH SMT

1399

2474

180

Top

L203

18414104

4.5T AIRCOIL #24AWG .0625"ID RHH SMT

1478

2880

180

Top

L204

18433102

2T AIRCOIL SMT 5.0nH .120 X .145

1591

3250

90

Top

L205

18110103

CHIP INDUCTOR 10uhy

1386

3262

90

Top

L206

18414108

8.5T AIRCOIL #24AWG .0625"ID RHH SMT

1143

3523

180

Top

L207

18433102

2T AIRCOIL SMT 5.0nH .120 X .145

1737

3765

0

Top

L208

18414104

4.5T AIRCOIL #24AWG .0625"ID RHH SMT

1695

4001

90

Top

L209

18414104

4.5T AIRCOIL #24AWG .0625"ID RHH SMT

1479

3945

180

Top

L210

18110102

CHIP INDUCTOR 1.0uhy

1335

3804

90

Top

L211

18414105

5.5T AIRCOIL #24AWG .0625"ID RHH SMT

1093

3979

90

Top

L212

18433102

2T AIRCOIL SMT 5.0nH .120 X .145

932

4343

0

Top

L401

18433208

8T AIRCOIL, SMT, 8.80 nH, .159 X .056

1376

1418

270

Top

L402

18414109

9.5T AIRCOIL #24AWG .0625"ID RHH SMT

1352

118

0

Top

L403

18110820

INDUCTOR, CHIP 82nH

1548

109

270

Top

L404

18110101

CHIP INDUCTOR 0.1uhy

1205

966

270

Top

L405

18110101

CHIP INDUCTOR 0.1uhy

753

1485

0

Top

MICROPHONE

M301

05500037

MICROPHONE; ELECTRET, MINIATURE

0

0

0

Bottom

CONNECTORS

P201

25500700

CONTACT, PCB MNT, ANTENNA,SST

896

4550

90

Top

P302

21310021

HEADER, 2 PIN SIDE ENTRY SHROUDED

754

737

0

Top

TRANSISTORS

Q101

4801002A

MMBT3906 PNP, SOT23

675

3405

270

Top

Q102

482100V0

TRANSISTOR, NPN, UHF, SOT-23, PBR-941

734

3828

0

Top

Q103

4841006U

MMBFJ309LT1, N-CHAN, RF, SOT23

340

3639

270

Top

Q104

4821003B

MMBT918LT1 VHF SOT23 (3B)

270

3548

0

Bottom

Q105

4821003B

MMBT918LT1 VHF SOT23 (3B)

38

1374

180

Bottom

Q201

480100DH

BCW68GLT1 .8AMP PNP SOT-23

908

3268

90

Bottom

Q202

4801001Q

MMBT5088, NPN, SOT-23

766

3268

270

Bottom

Q203

482100V0

TRANSISTOR, NPN, UHF, SOT-23, PBR-941

1453

2248

270

Top

Q204

48280001

BFG135 WB SOT-223 1W TRANSISTOR

1699

291

50

Top

Q205

04801013

MRF-630 3 W UHF AMP TRAN. NPN 

1469

3543

0

Top

Содержание RITRON SST-442

Страница 1: ...ical standards of the applicable rule part s This includes but is not limited to the following items required under FCC Part 2 1033 c 2 FCC Identifier 3 A copy of the installation and operating instru...

Страница 2: ...D PROGRAMMABLE HANDHELD RADIO MAINTENANCE REPAIR OPERATING MANUAL FOR USE BY AUTHORIZED SERVICE MAINTENANCE PERSONNEL ONLY SST 442 MRM REV A COPYRIGHT 2001 RITRON INC ALL RIGHTS RESERVED RITRON JOBCOM...

Страница 3: ...g Frequency Table 13 Table 2 Quiet Call Codes and Frequencies 13 COMPUTER SOFTWARE COPYRIGHTS 13 PC COMPUTER PROGRAMMING 13 Programmable Features 14 Description of Features 15 TOPIC PAGE THEORY OF OPE...

Страница 4: ...ng iron for soldering CMOS circuitry 7 Lead straightening tools When straightening CMOS leads provide ground straps for the tool used PC Board Removal Special Tool RITRON recommends using a knurled nu...

Страница 5: ...et Also provides cable connection for PC programming Microphone PTT 2 5 mm for external Chg Jack speaker microphone headset or RITRON model BC A wall charger CONTROLS Push Button Controls On Volume Up...

Страница 6: ...earphone jack Receiving System Dual conversion superheterodyne I F System 1st 43 65 MHz 2nd 450 KHz L O Injection Low side QC DQC Decode Time per EIA Standards BATTERY Battery Pack 7 2 VDC 800 mAH rec...

Страница 7: ...propriate methods Safety Standards In 1991 the Institute of Electrical and Electronics Engineers IEEE and in 1992 the American National Standards Institute ANSI updated the 1982 ANSI standard for safe...

Страница 8: ...apacity PRECAUTIONS Use only RITRON supplied chargers other chargers might cause fire explosion or other damage to the radio Do not fast charge a brand new battery pack Otherwise the battery might be...

Страница 9: ...may never fully discharge the battery pack during normal use Achieve maximum battery life by fully discharging the battery periodically to condition it After exposing the battery pack to many cycles...

Страница 10: ...y Jack This jack connects speaker audio to optional accessories such as a remote speaker microphone or an earphone For accessories that have a two plug connector the smaller plug is inserted into the...

Страница 11: ...means that squelch is turned off Release the buttons To restore squelch press and hold both of the volume buttons until the radio sounds a beep or double beep Monitor To monitor the channel press one...

Страница 12: ...ort beep every minute to alert the user that the battery will soon need recharging Once the battery charge drops below the required operating voltage the radio emits a long low tone and turns itself o...

Страница 13: ...suspect Charge the suspect battery as recommended in this manual Then if the charged original battery cannot power the handheld try charging again with another charger If the battery still doesn t ho...

Страница 14: ...it a series of beeps pause and then begin another series Four series of beeps will be heard with each series representing a digit The number of beeps in a series is equal to the digit See CHANNEL READ...

Страница 15: ...rect digit Turn the radio off check the digits you are attempting to enter then start over again 4 If you make a PTT click error turn the radio off then on and start over 5 If the radio does not emit...

Страница 16: ...ter with Windows 95 or later The computer must have an RS 232 serial port and a minimum of 2MB available on the hard disk drive for installation COMPUTER SOFTWARE COPYRIGHTS The RITRON Inc products de...

Страница 17: ...xed beep volume or for a beep volume that is adjusted with the Volume controls If fixed beep volume is selected the fixed level can be set between 0 100 Busy Channel Transmit Inhibit This keeps the ra...

Страница 18: ...g radio beeps at the end of each received transmission Squelch Tightener This feature reduces distant co channel or other interference for channels that are not programmed with Quiet Call Carrier sque...

Страница 19: ...cycle time is programmable using the PC Programming Kit The 5V SW power strobe output at Pin 10 of IC301 controls Q306 which switches the regulated 5 VDC to the audio processing circuitry and the synt...

Страница 20: ...06E passes TX audio through to the VCO modulation input at R416 TX audio is applied to varactor CR403 to modulate the VCO TX audio is also routed to the Pin 1 input of TCVCXO reference oscillator Y302...

Страница 21: ...rcuit configuration with bilateral switches IC304A B and C permits the use of the same audio filtering system for both transmit and receive modes After R114 and C130 remove the 450 KHz element from th...

Страница 22: ...rogrammed to hold the transmitter on after the PTT switch has been released to allow tone related turn off codes for squelch tail elimination Power Amplifier Q203 Q204 and associated components amplif...

Страница 23: ...ncy of the VCO oscillator used in both transmit and receive The output is HIGH in transmit and LOW in receive T R output is also used to switch supply voltage to the transmit and receive circuits 12 C...

Страница 24: ...s test set to the BNC connector on the SST SRVBD test assembly 4 Turn on the radio to place it in operating mode 5 From the PC Programmer on screen menu select Tune Radio to display the Alignment scre...

Страница 25: ...nd Voice Only Narrow Band Voice Tone Wide Band or Voice Tone Narrow Band by pressing the desired option button 4 Press the Tune button on the Alignment screen to activate the transmitter 5 If adjustme...

Страница 26: ...performed by the factory selection of fixed capacitor C413 Do not attempt to adjust the synthesizer control unless a key component in the synthesizer has been replaced Key components do not include th...

Страница 27: ...5 0 5 0 CR305 1 GND GND GND Voltage clamp 2 5 0 5 0 5 0 3 0 0 0 0 0 0 CR306 1 2 4 2 4 2 4 Voltage clamp 2 NC NC NC 3 2 4 2 4 2 4 CR307 C 7 5 7 5 7 5 Reverse volt protection A 0 0 RX audio amp out CR4...

Страница 28: ...D GND GND 5 0 0 3 7 0 0 6 0 0 7 5 0 0 7 0 0 3 7 0 0 8 NC NC NC REF PIN TX RX SB DESCRIPTION IC308 1 2 4 2 4 Tone low pass filter 2 2 4 2 4 3 GND GND GND 4 5 0 5 0 5 2 4 2 4 6 2 4 2 4 7 5 0 5 0 8 3 2 3...

Страница 29: ...8 Battery V switching 2 7 5 7 5 7 5 3 7 5 7 5 7 5 Q 306 1 4 3 4 3 5 0 5V switching 2 5 0 5 0 5 0 3 5 0 5 0 Q 307 1 0 0 5 0 0 0 Audio amplifier enable 2 0 0 4 3 0 0 3 7 5 6 8 7 5 Q 308 1 7 5 6 8 7 5 A...

Страница 30: ...HIP CAP 350 1364 0 Bottom C126 15119104 1uF X7R 0805 25V CERAMIC CHIP CAP 441 1542 0 Bottom C127 15119104 1uF X7R 0805 25V CERAMIC CHIP CAP 61 2203 0 Bottom C128 15119104 1uF X7R 0805 25V CERAMIC CHIP...

Страница 31: ...AMIC CHIP CAP 82 2765 180 Bottom C335 15180101 100pF CAPACITOR CHIP 0402 COG 5 366 2880 270 Bottom C336 15181332 0033uF CAPACITOR CHIP 0402 X7R 5 10 454 3156 90 Bottom C337 152B6106 10uF 10V 3 4 X 2 8...

Страница 32: ...CHIP 0402 COG 5 1053 1576 180 Top C422 15110100 10PF NPO 0805 50V CHIP CAP 1119 1512 180 Top C423 151101A0 1 0PF NPO 0805 50V CHIP 1256 1400 0 Top C424 151108A2 8 2PF NPO 0805 50V CHIP 1187 1252 270 T...

Страница 33: ...03 18414104 4 5T AIRCOIL 24AWG 0625 ID RHH SMT 1478 2880 180 Top L204 18433102 2T AIRCOIL SMT 5 0nH 120 X 145 1591 3250 90 Top L205 18110103 CHIP INDUCTOR 10uhy 1386 3262 90 Top L206 18414108 8 5T AIR...

Страница 34: ...39K OHM RESISTOR CHIP 0402 1 16W 5 117 1676 90 Top R118 47180103 10K OHM RESISTOR CHIP 0402 1 16W 5 49 1509 0 Bottom R119 47180102 1K OHM RESISTOR CHIP 0402 1 16W 5 49 1470 180 Bottom R120 47180681 6...

Страница 35: ...tom R349 47180823 82K OHM RESISTOR CHIP 0402 1 16W 5 29 2146 0 Top R350 47180564 560K OHM RESISTOR CHIP 0402 1 16W 5 29 2198 0 Top R352 47100225 2 2M 0805 CHIP RESISTOR 44 2406 0 Top R353 47180103 10K...

Страница 36: ...6001029 28 AWG STRANDED WIRE BLUE INCHES 25105500 SHIELD SST PLUS SYNTHESIZER 25603000 FOAM MOUNTING SPEAKER SST 25603900 SPACER MIC FOAM SST 25605700 MICROPHONE HOLDER SST PLUS ANTENNA AFS 450 ANTENN...

Страница 37: ...NG SST MINI 14500025 OWNER S MANUAL 14x 44x SERIES JMX SST 14540006 WARRANTY REGISTRATION CARD JMX 442 MODELS ONLY CASE LABELS 14220002 LABEL CONTROLS JMX 14222035 LABEL NAMEPLATE JMX 14290002 BLANK L...

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