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Motorola GP328 Detailed Service Manual

Motorola GP328
272 pages
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6E-24 Circuit Board/Schematic Diagrams and Parts List
* Motorola depot servicing only
** Range 2 only
R316 0662057M57 200
R317 0662057M81 2K
R318 0662057M33 20
R400 0662057N15 47K
R401 0662057M01 0
R402 Not Placed
R403 Not Placed
R405 0662057M01 0
R406 0662057N20 75K
R407 0662057N19 68K
R408 Not Placed
R409 0662057M98 10K
R410 0662057N23 100K
R411 0662057M98 10K
R413 0662057M01 0
R414 0662057V34 180K
R415 0662057V26 91K
R416 0662057N13 39K
R418 Not Placed
R419 0662057M67 510
R420 0662057B46 10M
R421 0662057M81 2K
R423 0662057N21 82K
R424 0662057N12 36K
R425 0662057N10 30K
R426 0662057M35 330
R427 0662057M84 2.7K
R428 0662057M10 2.2
R429 0662057M98 10K
R431 0662057N39 470K
R432 0662057N16 51K
R434 0662057M62 330
R435 0662057M81 2K
R436 0662057M74 1K
R437 0662057M01 0
R445 0662057N08 24K
R446 0662057N30 220K
R447 0662057N52 1.6M
R448 0662057N33 270K
R449 0662057N08 24K
R450 0662057T45 68
R457 0662057M98 10K
R460 0662057M90 4.7K
R461 0662057M56 180
R462 0662057M98 10K
R463 0662057M61 300
R471 0662057M92 5.6K
R472 0662057M93 6.2K
R473 0662057M26 10
R475 0662057M01 0
R476 0662057N35 330K
Circuit
Ref
Motorola
Part No.
Description
R477 0662057M74 1K
R478 0662057M98 10K
R481 0662057N08 24K
R492 0662057M01 0
R499 Not Placed
R501 0662057M70 680
R502 0662057M56 180
R503 0662057M74 1K
R504 0662057N01 12K
R505 0662057M68 10K
R507 0662057M60 270
R508 0662057M32 18
R509 0662057M60 270
R510 0662057M87 3.6K
R512 0662057M90 4.7K
R513 0662057M26 10
R514 0662057N15 47K
R515 0662057M98 10K
RT400 0680590Z01 Thermistor 33K
S501 4080710Z01 Channel Switch
S502 1880619Z01 Volume Switch
SH100 2686076A01 Shield
SH200 2685709B02 Shield
SH201 2680511Z01 Shield
SH202 2680511Z01 Shield
SH203 2686079A01 Shield
SH300 2680516Z01 Shield
SH301 2680508Z01 Shield
SH302 2680697Z01 Shield
SH303 2680553Z01 Shield
SH400 2680505Z01 Controller Memory Shield
SH401 2680506Z01 Controller On/Off Shield
SH402 2680515Z01 Controller Microprocessor
Shield
SH403 2680516Z01 Controller ASFIC Cmp/Audi
PA Shield
SH500 2680555Z01 Shield
SH501 2680697Z01 Shield
SH502 2680696Z01 Shield
T100 2505515V03 Transformer Coil
T501 2580541Z01 Transformer Coil
T502 2580541Z01 Transformer Coil
TR201 2460593D01 Resonator, 50-300MHz
U101 5105109Z67 LDMOS Driver
U102 5185765B01 Power Control
U200 5102463J58 3.3V Regulator
U203 4805649Q14 Varactor Diode
U204 5105739X05 Linear Regulator
U205 5185963A27 LV Fractional N Synthesizer
U207 4805921T06 Dual PNP
U301 4885622B01 Dual Gate MOSFET
Circuit
Ref
Motorola
Part No.
Description
U302 5185623B01 3.3V Regulator
U303 5109632D83 Low Voltage ZIF
U400 5102463J40 3.3V Regulator
U404 5185963A53 ASFIC
U405 Not Placed
U406 *5102463J59 Flash ROM 128K x 8
U407 *5102463J64 EEPROM 16K x 8
U409 5102226J56 Microcontroller
U410 5102463J57 3.3V Regulator
U420 5102463J44 Audio PA
VR101 5185963A15 Temperature Sense
VR102 4802245J51 6.8V Zener
VR200 4802245J51 6.8V Zener
VR201 4802245J51 6.8V Zener
VR202 4802245J51 6.8V Zener
VR203 4802245J53 6.8V Zener
VR432 4805656W08 5.6V Zener
VR433 4805656W08 5.6V Zener
VR434 4802245J51 6.8V Zener
VR445 4802245J53 10V Zener
VR446 4802245J53 10V Zener
VR447 4802245J53 10V Zener
VR448 4802245J53 10V Zener
VR449 4802245J53 10V Zener
VR450 4802245J53 10V Zener
VR500 4800245J51 6.8V Zener
VR501 4813830A18 6.8V Zener
VR502 4802245J51 6.8V Zener
Y201 4805875Z03 Crystal Oscillator
Circuit
Ref
Motorola
Part No.
Description

Table of Contents

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Motorola GP328 Specifications

General IconGeneral
Channel Capacity16 channels
Operating Temperature-30°C to +60°C
SealingIP54
Frequency Range136-174 MHz (VHF), 403-470 MHz (UHF)
Power Output1-5W (VHF), 1-4W (UHF)
Dimensions137 x 57.5 x 37.5 mm
Power Supply7.5V
Battery Life8 hours (High Power), 11 hours (Low Power) with standard NiMH battery
Weight420g (with standard battery)

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