Motorola Gp328 Gp338 Detailed 6804110j64 F Manual
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Circuit Board/Schematic Diagrams and Parts List6C-29 TESTDVAG VAG_REF VPP RED_VCC RED_VSS ROSE_VCC ROSE_VSS RSSI_FLT RSSI_OUT TESTA IOUT LIM MIX_BYP MIX_INMLPD_CR PHASE_LOCK PREAMP_OUT PRE_AGC PRE_IN EMIT EXTBS FREF GND GOLD_VCCGOLD_VSS GREEN_VCC GREEN_VSS C4M C4P CEX CLK COL DATA DEMOD_HF DEMOD_OUT BROWN_VCCBRP_OFF C1M C1P C2M C2P C3M C3P AFC BASE BLUE_VCC BLUE_VSS U301 32D83 16 15 24 21 20 14 19 18 13 17 22 23 32 25 30 29 31 26 36 28 27 33 34 35 42 46 47 48 41 43 37 40 39 38 45 44 8 9 3 1 2 5 4 116...
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6C-30Circuit Board/Schematic Diagrams and Parts List C259 .01uFC258 .01uF TC7ST04FUU210 3 GND 2 1 NC4 5 VCCTC7ST04FUU211 3 GND 2 1 NC4 5 VCC 0.1uF C296C265C257 100pF NU NU NU C283C282 C298 0.1uF 4.7uFC228 C229 1000pF C230 100pFA25 A34 K1 1 2 K2 3 K3CR201 A16 0.1uFC292 C223 0.1uF L202 2.2uH 0.22uF C219C291 0.47uF 5V (SOURCE) 100pFC220 0.1uF 2.2uFC218 C217 0.1uF C224L201 2.2uH 2.2uHL203 C235 2.2uFIN 2NR 4OUT3 SD ADP3300 U247 6ERR 1 GND 5 0.47uFC293 VIN1VOUT 5 U248 LP2980 GND 2 NC 43ON_OFF* 100pFC294...
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Circuit Board/Schematic Diagrams and Parts List6C-31 TX_IADJ1 TX_OUT 10 TX_SWITCH 13 VCC_BUFFERS14VCC_LOGIC18 RX_EMITTER6 RX_IADJ2 RX_OUT 8 RX_SWITCH 7SUPER_FLTR3 TRB_IN19 TX_BASE16 TX_EMITTER15 COLL_RFIN4 FLIP_IN20 GND_BUFFERS11 GND_FLAG9 17 GND_LOGIC PRESC_OUT 12 RX_BASE5 50U54U241 Rx_sw Tx_swC273 0.1uF 1.1pFC272 L273 18nH 27nH 1pF L271 C271 R245 240 C276 2.2uF 100pFC281 390nHL2810.1uF C286 100pFC246 2.7pF C245 120 R242 100pFC285 R241 18 15K R244L243 RESONATOR 1 234.3pFC250 4.3pFC242 4.3pFC243 12...
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6C-32Circuit Board/Schematic Diagrams and Parts List TX_OUT Microstrio NU Microstrio Q110 1 3 C113 15pF BEAD C111 13.0pF7.66nHL106 C112 36pF 100pFC109 C181 C123 10uFL107 33.47nH 0.1 UNSWB+ 2 1HEATSINK H101 POS3.0 R175 3.0 R176 0.1uF C172 Microstrio NUR172 200 11pF C116 27pFC115 C180 L117 22.0nHC114 100pF E101 R102 10pF C117 4.22nHL10810 R106 C118 100pFC121 100pF R191 0 16pF C120 47K R104 R111 20 TX_INJ_1 100pFC295 R112 300 100pFC125 300 R110 TX_INJ NU56pF C160 L160390nHL112 UNSWB+ .022uFC128 100pFC130...
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Circuit Board/Schematic Diagrams and Parts List6C-33UHFBand2RadioPartsListCircuit RefMotorola Part No.DescriptionB501 0986237A02 Battery Contact Module B503 3980502Z01 Backup battery B+ (not used in GP328) B504 3980501Z01 Backup battery B- (not used in GP328) C101 2113740F51 100pF C102 2113740F22 6.2pF C103 2113740F28 11pF C104 2113740F22 6.2pF C105 2113743N50 100pF C106 2113740F19 4.7pF C107 2113740F15 3.3pF C108 2113743N50 100pF C109 2113740F51 100pF C110 2113743N50 100pF C111 2103689A22 11pF C112...
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6C-34Circuit Board/Schematic Diagrams and Parts ListC384 2113743N44 56pF C385 2113743N44 56pF C386 2113743N50 100pF C390 2113743N50 100pF C391 NOT PLACED C395 2113743N50 100pFC396 NOT PLACED C397 2311049A07 1uF, 10%, 16VC400 2113743L41 10000pF, 10% C401 2113743M24 100000pF, +80%/-20% C402 2113743M24 100000pF, +80%/-20% C403 2113743G24 2.2uF, +/-80%/-20% C404 NOT PLACED GCAM DUMMY PART NUM- BER C405 NOT PLACED C406 NOT PLACED C407 2113928N01 0.1uF , 10%C408 2113743N50 100pF C409 2113743M24 100000pF,...
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Circuit Board/Schematic Diagrams and Parts List6C-35Q210 4802245J50 Dual NPN/PNP transistorQ241 4805218N63 RF NPN transistor Q260 4802245J50 Dual NPN/PNP transistor Q261 4802245J50 Dual NPN/PNP transistor Q301 4802245J44 NPN Transistor Q302 4802245J44 NPN Transistor Q310 NOT PLACED Q315 4880214G02 NPN Transistor Q316 NOT PLACED Q320 4805218N63 RF NPN transistor Q400 4809579E18 Mosfet P - channel Q403 4813824A17 Bipolar Transistor, PNP Q405 4802245J54 Dual NPN Transistor Q410 4802245J54 Dual NPN...
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6C-36Circuit Board/Schematic Diagrams and Parts List * Motorola Depot Servicing only Note:To l e r a n c e Capacitor - 5% unless specified otherwise Inductor - 10% unless specified otherwise Resistor - 5% unless specified otherwise U101 5185130C65 IC VHF/UHF/800 MHZ LDMOS DRIVER U102 5185765B28 PCIC U201 5185963A27 LVFRACN Synthesizer IC U210 5102463J61 Inverter U211 5102463J61 Inverter U241 5105750U54 VCO BUFFER IC U247 5105739X05 SOT 5V Regulator U248 5102463J58 3.3V Regulator U301 5109632D83 LVZIF IC...
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Troubleshooting charts6C-379.0 Troubleshooting chartsMCU CheckPower Up Alert Tone OK? Speaker OK? U409 EXTAL= 7.3728 MHz? U201 Pin 19 16.8 MHz 5V at U247? 3.3V at U248? U409 Reset Pin 94 High?MCU is OKNot able to pro- gram RF Board ICsBefore replacing MCU, check SPI clock, SPI data, and RF IC selectReplace Speaker Read Radio OK?Check SetupReprogram the correct data.See FGU Troubleshooting7.5V at Pin 3/5 U247? 4/3.3V at Pin 1 U248Check Q400Replace U247/U248Check any short to SWB+, Vdda or VdddPress PTT....
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6C-38Troubleshooting chartsBad SINAD Bad 20dB Quieting No Recovered AudioSTARTAudio at pin 27 of U301?Check ControllerYe sNoSpray of inject 1st IF into XTAL Filter IF Freq: 45.1MHzAudio heard?BYe sNo Check 2nd LO Control Voltage at C363VCO locked?BYe s16.8 MHz check at pin 22 U301?Activity on U301 sel pin?Check FGUNo NoAA Ye sCheck Q320 bias circuitry for faults.Rotate Freq. KnobCheck controller.Before replacing U301, check 2nd VCO Q320. Check VCO O/P level, C351, C352.Ye sNoTroubleshooting Flow Chart...