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Motorola Gp328plus Gp338plus Gp338xls Detailed 6804112j28 G Manual
Motorola Gp328plus Gp338plus Gp338xls Detailed 6804112j28 G Manual
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Circuit Board/Schematic Diagrams and Parts List5C-25 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 CR243 A1 A2 CR241C241 100pF 22nHL242 390nH L241 CR242 R243 10KC244 3.6pF Rx_sw 1 3 2 Q241 BFQ67W 30 R248 L282 390nH C247 0.1uF C248 100pF R253 7.5K Tx_sw C253 1.5pF100pFC251 CR251 20pF C252 390nHL251 C254 3.3pF R251 33L253 RESONATOR1 2 3 100pFC289 100pFC255 R252 270R254 8.2K 1K R2604 1 3 Q261 2 10K 47K 47K 4.7K 24 1 3Q260 C297 .01uF10K 4.7K 47K 47K 1SHIELDSH242 1 SHIELDSH241 VCO TOP SHIELD VCO BOTTOM SHIELD AUX 4 AUX 35VVSF VSFVCTRL PRESC RX_INJ TX_INJ 4.6V 2V 4.6V 3.5V@450MHz 9.5V@527MHz UHF Band 2 Voltage Controlled Oscillator Schematic Diagram
5C-26Circuit Board/Schematic Diagrams and Parts List VL 6 VLIM19 TEMP30 V10 14 V45 16 17 V5EXT20 VAR1 18 VAR224 VAR3 VG 15 22 NA Q 11QX 10 1 RFIN RS21 31 RSET RX23 T1 2 CLK26 CQ 12 CQX 13 DATA28 F168 9 GND1 8 GND225 INT 4 U102 H99S ANO32 BPOS27 CEX29 CI 3 CJ 5 CL 7 C138 100pF CR105 GND 31 POS 2 VOUT R131 LM50 10K R130 18K 100pF C170C110 100pF 0.1uF C126 .022uFC173 5VTX_BIAS RESET UNSWB+ DATACLK CSX 100pF C122C105 100pF4 1 3 100pF C132 Q111 2 6 100pF C174 R133 UNSWB+ NU10K 4.7K 47K 47K 1000pFC127 L115C133 390nH1000pF C134 3300pFC135 .022uF C166 100pF L113 C129 5.6nH 6.8pF100pFC165 .022uFC131 390nHL114 200K R109100K R132 2pF C169 UNSWB+ RFIN6 RFOUT1 7 RFOUT2 1 VCNTRL 14 VD12 VG1 3 VG2 GND15 GND212 GND313 GND4 8 NC1 9 NC2 10 NC3 15 NC4 16 U101 09Z6711 G2 4 9.1pFC120100pFC121 C150 .022uF C151 100pF C161 0.1uF 200 R161100pFC130 C128 .022uF 390nHL112 R108 5.6K L160 15.0nH56pF C160 .022uFC152 UNSWB+ 33pF C116 C117 30pF11.03nHL109 4.22nHL10810 R106 100pF C115C118 30pF C125 100pF 100pFC295 300R112 R110 300 20 R111R107 TX_INJ_1 TX_INJ NU Microstrip Microstrip 1 2 3 C111 11pFC112 47pFL107 33.47nH 0.1 R102 C113 10pF BEADE101 C114 100pF C123 10uF 200 R172 0.1uF C172 Q110 Microstrip L105 C108 100pF 390nH 240 R170 240 R101 C109 100pF 7.66nHL106 UNSWB+ 3.3pF1 A1 2 A2 K 3 C107CR102 L104 12.39nH 4.7pFC106 RX_IN CR101 L102 12.39nH 12.39nHL101 6.2pFC104 C103 13pF C102 6.2pF C101 100pF 4 GND1 2 3 J101 RF_JACK C141 TAB55 C140 TAB1 1TAB2 2 TAB33 TAB44 ANTENNA_NUTJ1029.75nHL116 HEATSINK H101 POS 1NUNU 43K R120 100pF C119 100pF C171 R173 180K43K R171 R174 NU SH100 SHIELD 1SHIELDSH101 1 HF SHIELD PA SHIELDR104 47K C188 36pF 1MEG R136 43 R103 6.2 R175 6.2 R176 3dBM@450MHz Tx 3dBM@527MHz Tx 7.01V Tx 7.08V Tx 0.269V Tx UHF Band 2 Transmitter Schematic Diagram
Circuit Board/Schematic Diagrams and Parts List5C-27UHF Band 2 Radio Parts List (RF Board)Circuit Ref Motorola Part No. Description B501 0986237A02 Battery Contact Connector B503 3980502Z01 Contact, Backup B+ (not used in GP328 Plus) B504 3980501Z01 Contact, Backup B- (not used in GP328 Plus) C101 2113740F51 100 C102 2113740F22 6.2 C103 2113740F28 11 C104 2113740F22 6.2 C105 2113743N50 100 pF, 5% C106 2113740F19 4.7 pF C107 2113740F15 3.3 C108 2113743N50 100 pF, 5% C109 2113740F51 100 C110 2113743N50 100 pF, 5% C 111 2103689A22 11.0, 0.05 pF C112 2180605Z28 33 pF C113 2180605Z20 15 pF C114 2113743N50 100 pF, 5% C115 2113743N31 16.0 pF, 5% C116 2113743N27 11.0 pF, 5% C117 NOT PLACED C118 2113743N50 100 pF, 5% C119 2113743N50 100 pF, 5% C120 2113743N23 7.5 pF, 0.5 pF C121 2113743N50 100 pF, 5% C122 2113743N50 100 pF, 5% C123 2311049A18 10 uF, 10% C125 2113743N50 100 pF, 5% C126 2113743M24 100000 pF, +80% / -20% C127 2113743L17 1000 pF, 10% C128 2113743M08 22000 pF, +80% / -20% C129 2113743N23 7.5 pF, 0.5 pF C130 2113743N50 100 pF, 5% C131 2113743M08 22000 pF, +80% / -20% C132 2113743N50 100 pF, 5% C133 2113743L17 1000 pF, 10% C134 2113743L29 3300 pF, 10% C135 2113743M08 22000 pF, +80% / -20% C138 2113743N50 100 pF, 5% C140 0662057A67 5600, 5% C141 2113740F25 8.2 C150 2113743M08 22000 pF, +80% / -20% C151 2113743N50 100 pF, 5% C152 2113743M08 22000 pF, +80% / -20% C160 2113743N44 56.0 pF, 5% C161 2113743M24 100000 pF, +80% / -20% C165 2113743N44 56.0 pF, 5% C166 2113743N50 100 pF, 5% C169 2113743N09 2.0 pF, 0.25 pF C170 2113743N50 100 pF, 5% C171 2113743N50 100 pF, 5% C172 2113743E20 0.10 uF, 10% C173 2113743M08 22000 pF, +80% / -20% C174 2113743N50 100 pF, 5% C180 NOT PLACED C181 NOT PLACED C188 2113743N39 36.0 pF, 5% C201 2113743N50 100 pF, 5% C202 2113743L17 1000 pF, 10% C203 2311049A56 4.7 C204 2104993J02 2.2 uF C206 2113740F63 330 , 5% C207 2113743N40 39.0 pF, 5% C208 NOT PLACED C210 2113743N50 100 pF, 5% C211 2113743N50 100 pF, 5% C212 2113743N50 100 pF, 5% C213 2113743N50 100 pF, 5% C214 2113743N50 100 pF, 5% C215 NOT PLACED C216 NOT PLACED C217 2104993J02 2.2 uF C218 2113743M24 100000 pF, +80% / -20% C219 2113743K16 0.220 uF, +80% / -20% C220 2113743N50 100 pF, 5% C223 2113743M24 100000 pF, +80% / -20% C224 2113743M24 100000 pF, +80% / -20% C228 2311049J11 4.7 uF, 10% C229 2113743L17 1000 pF, 10% C230 2113743N50 100 pF, 5% C231 2113743M24 100000 pF, +80% / -20% C232 2113743E12 0.047 uF, 10% C233 2311049A01 0.1 C234 2311049A05 0.47 uF, 10% C235 2104993J02 2.2 uF C238 2113741F17 470 pF C241 2113743N50 100 pF, 5% C242 2113743N17 4.3 pF, 0.25 pF C243 2113743N17 4.3 pF, 0.25 pF C244 2113740F14 3.0 pF C245 2113743N12 2.7 pF, 0.25 pF C246 2113743N50 100 pF, 5% C247 2113743N50 100 pF, 5% C248 2113743M24 100000 pF, +80% / -20% C250 2113743N17 4.3 pF, 0.25 pF C251 2113743N50 100 pF, 5% C252 2113743N26 10.0 pF, 5% Circuit RefMotorola Part No.Description C253 2113740L01 2.0 pF C254 2113743N26 10.0 pF, 5% C255 2113743N50 100 pF, 5% C257 2113743N50 100 pF, 5% C258 2113743L41 10000 pF, 10% C259 2113743L41 10000 pF, 10% C260 2113743N50 100 pF, 5% C263 2113743N02 0.75 pF, 0.25 pF C264 2113743N50 100 pF, 5% C265 NOT PLACED C271 2113743N03 1.0 pF, 0.25 pF C272 2113743N04 1.1 pF, 0.25 pF C273 2113743M24 100000 pF, +80% / -20% C276 2104993J02 2.2 uF C277 2113743N50 100 pF, 5% C278 2311049A09 2.2 uF, 10% C279 2104993J02 2.2 uF C281 2113743N50 100 pF, 5% C282 NOT PLACED C283 NOT PLACED C285 2113743N50 100 pF, 5% C286 2113743M24 100000 pF, +80% / -20% C289 2113743N50 100 pF, 5% C291 2311049A69 10.0 uF, 20% C292 2113743M24 100000 pF, +80% / -20% C293 2113743A27 0.470 uF, 10% C294 2113743N50 100 pF, 5% C295 2113743N50 100 pF, 5% C296 2113743M24 100000 pF, +80% / -20% C297 2113743L41 10000 pF, 10% C298 2113743M24 100000 pF, +80% / -20% C301 2113743N24 8.2 pF, 0.5 pF C302 2113743N28 12.0 pF, 5% C303 2113740L09 4.3 pF, 0.1 pF C304 2113743N27 11.0 pF, 5% C305 2113743N24 8.2 pF, 0.5 pF C306 NOT PLACED C307 2113743M24 100000 pF, +80% / -20% C308 2113743N50 100 pF, 5% C309 2113743N50 100 pF, 5% C310 2113743M24 100000 pF, +80% / -20% C311 NOT PLACED C312 2113743N23 7.5 pF, 0.5 pF C313 2113743N27 11.0 pF, 5% C314 2113743M24 100000 pF, +80% / -20% C315 2113743N50 100 pF, 5% C316 2113740L09 4.3 pF, 0.1 pF C317 2113743N27 11.0 pF, 5% C318 2113743N23 7.5 pF, 0.5 pF C319 2113743N15 3.6 pF, 0.25 pF C320 2113743N23 7.5 pF, 0.5 pF Circuit RefMotorola Part No.Description C321 2113743N50 100 pF, 5% C322 2113743N48 82.0 pF, 5% C323 2113743N54 150 pF, 5% C324 2113743N33 20.0 pF, 5% C325 2113743L41 10000 pF, 10% C326 2113743L41 10000 pF, 10% C327 2113743N50 100 pF, 5% C328 2113743M24 100000 pF, +80% / -20% C329 2113743M24 100000 pF, +80% / -20% C330 2113743N26 10.0 pF, 5% C331 2113743N50 100 pF, 5% C333 NOT PLACED C334 2113743M08 22000 pF, +80% / -20% C336 2113743M24 100000 pF, +80% / -20% C337 2113743N50 100 pF, 5% C338 2113743N30 15.0 pF, 5% C339 2180478Z20 1.0 uF C340 2180478Z20 1.0 uF C341 2180478Z20 1.0 uF C342 2180478Z20 1.0 uF C343 2113743A23 0.220 uF, 10% C344 2113743M24 100000 pF, +80% / -20% C345 2113743M24 100000 pF, +80% / -20% C346 2113743M24 100000 pF, +80% / -20% C347 2113743M24 100000 pF, +80% / -20% C348 2113743M24 100000 pF, +80% / -20% C349 2113743E07 0.022 uF C350 2113743L05 330 pF, 10% C351 2113743N33 20.0 pF, 5% C352 2113743N28 12.0 pF, 5% C353 2113743N41 43.0 pF, 5% C354 2113743N42 47.0 pF, 5% C355 2113743A24 0.330 uF, 10% C356 2113743M08 22000 pF, +80% / -20% C357 2113743A23 0.220 uF, 10% C358 2113741A23 1200 pF, 5% C359 2109720D14 0.1 uF C360 2113743E07 0.022 uF C361 2113741F49 10000 C362 2113743M08 22000 pF, +80% / -20% C363 2311049A40 2.2 uF, 10% C364 2113743L41 10000 pF, 10% C370 2113743N50 100 pF, 5% C371 NOT PLACED C372 NOT PLACED C373 NOT PLACED C374 2113743N50 100 pF, 5% C375 2113743N50 100 pF, 5% C378 NOT PLACED C380 2113743L41 10000 pF, 10% C381 2113743N18 4.7 pF, 0.25 pF Circuit RefMotorola Part No.Description
5C-28Circuit Board/Schematic Diagrams and Parts ListC382 2311049A59 10.0 uF, 10% C383 2113743N50 100 pF, 5% C384 2113743N44 56.0 pF, 5% C385 2113743N44 56.0 pF, 5% C386 2113743N50 100 pF, 5% C390 2113743N50 100 pF, 5% C391 NOT PLACED C395 2113743N50 100 pF, 5% C396 NOT PLACED C397 2311049A07 1.0 uF, 10% C502 2311049A05 0.47 uF, 10% C503 2113743N50 100 pF, 5% C505 2113743N50 100 pF, 5% C511 2113743N50 100 pF, 5% C512 2113743N50 100 pF, 5% C513 2113743N50 100 pF, 5% C514 2113743N50 100 pF, 5% C520 2113743L41 10000 pF, 10% C521 2113743L41 10000 pF, 10% C522 2113743L41 10000 pF, 10% C525 2113743N50 100 pF, 5% C526 2113743N50 100 pF, 5% C527 2113743N50 100 pF, 5% C528 2113743N50 100 pF, 5% C529 2113743N50 100 pF, 5% C530 2113743N50 100 pF, 5% C531 2113743N50 100 pF, 5% C532 2113743N50 100 pF, 5% C533 2113743N50 100 pF, 5% C534 2113743N50 100 pF, 5% C535 2113743N50 100 pF, 5% C536 2113743N50 100 pF, 5% C537 2113743N50 100 pF, 5% C538 2113743N50 100 pF, 5% C539 NOT PLACED C540 NOT PLACED C541 NOT PLACED C542 NOT PLACED C543 NOT PLACED C544 2113743N50 100 pF, 5% C545 2113743N50 100 pF, 5% C546 2113743N50 100 pF, 5% C547 2113743N50 100 pF, 5% C548 NOT PLACED C549 2113743N50 100 pF, 5% C550 2113743N50 100 pF, 5% C551 2113743N50 100 pF, 5% C552 2113743N50 100 pF, 5% C553 2113743N50 100 pF, 5% C555 2113743N50 100 pF, 5% CR101 4880973Z02 PIN Diode Circuit RefMotorola Part No.Description CR102 4802245J41 PIN Diode CR103 4802245J41 PIN Diode CR105 5185963A15 Temperature Sensor CR160 NOT PLACED CR201 4802233J09 Triple Diode CR203 4862824C03 Varactor Diode CR241 4805649Q13 Varactor Diode CR242 4862824C01 Varactor Diode CR243 4862824C01 Varactor Diode CR251 4802245J22 Varactor Diode CR301 4862824C01 Varactor Diode CR302 4862824C01 Varactor Diode CR303 4880154K03 Dual Diode CR304 4862824C01 Varactor Diode CR305 4862824C01 Varactor Diode CR306 4802245J42 Ring Quad Diode CR308 4802245J41 PIN Diode CR310 4862824C01 Varactor Diode CR501 4880107R01 Rectifier CR503 4805729G49 Red / Yellow Diode E101 2484657R01 Inductor Bead Chip F501 6580542Z01 Fuse 3A FL201 **4805875Z04 Crystal 16.8 MHz FL301 9186153B01 X’tal Filter H101 2680499Z01 Heat Spreader J101 0985613Z01 RF Jack J102 0280519Z02 Antenna Nut(Ref: 0280519Z04) J200 0905505Y04 Conn ZIF Horizontal L101 2460591B28 13.37 L102 2460591B28 13.37 L104 2460591B48 15.22 L105 2462587N22 390 nH, 10% L106 2460591A19 8.71 L107 2479990G01 33.47 nH L108 2479990A01 4.22 nH L112 2462587N45 22 nH, 5% L113 2413926H09 5.6 nH, 0.3 nH L114 2462587N45 22 nH, 5% L115 2462587N22 390 nH, 10% L116 2479990C02 16.28 nH L117 2409154M17 22.0 nH L160 2413926H14 15.0 nH, 5% L201 2462587Q20 2200 nH, 20% L202 2462587Q20 2200 nH, 20% L203 2462587Q20 2200 nH, 20% L232 2462587P25 12000 nH, 5% L241 2462587V41 390 nH, 10% L242 2462587V26 22 nH, 5% L243 2460593C03 Teflon Resonator L251 2462587V41 390 nH, 10% Circuit RefMotorola Part No.Description L253 2460593C03 Teflon Resonator L261 2462587V29 39 nH, 5% L271 2462587V27 27 nH, 5% L273 2462587V25 18 nH, 5% L281 2462587V41 390 nH, 10% L282 2462587V41 390 nH, 10% L301 2479990B01 11.03 nH L302 2479990B01 11.03 nH L303 2462587V26 22 nH, 5% L304 2462587V37 180 nH, 5% L305 2462587V23 12 nH, 5% L306 2479990B01 11.03 nH L307 2479990B01 11.03 nH L309 2479990C02 16.28 nH L310 2462587V36 150 nH, 5% L311 2462587N65 750 nH, 5% L314 2462587N72 2200 nH, 5% L321 NOT PLACED L325 2480646Z20 2.20 uH L330 2462587N64 680 nH, 5% L331 2480646Z20 2.20 uH L332 2462587N53 100 nH, 5% L340 2462587V41 390 nH, 10% L505 2462587Q42 390 nH, 10% P100 3905643V01 Ground Contact PB501 4070354A01 Light Touch Switch PB502 4070354A01 Light Touch Switch PB504 4070354A01 Light Touch Switch PB505 4070354A01 Light Touch Switch Q110 4813828A09 Transistor 8W 450MHz Q111 4809939C05 Transistor Dual NPN / PNP Q210 4809939C05 Transistor Dual NPN / PNP Q241 4805218N63 RF Transistor BFQ67W Q260 4809939C05 Transistor Dual NPN / PNP Q261 4809939C05 Transistor Dual NPN / PNP Q301 4802245J44 NPN Silicon Bipolar Transistor Q302 4802245J44 NPN Silicon Bipolar Transistor Q310 NOT PLACED Q315 4880214G02 Transistor MMBT3904 Q316 NOT PLACED Q320 4805218N63 RF Transistor BFQ67W Q502 5180159R01 Dual Transistor NPN Q505 4880214G02 Transistor MMBT3904 R101 0662057A34 240, 5% R102 0680539Z01 Power Metal Strip Resistor R104 0662057N15 47 k, 5% R106 0662057M26 10, 5% R107 NOT PLACED R108 0662057M92 5600, 5% R109 0662057N30 200 k, 5% R110 0662057M61 300, 5% Circuit RefMotorola Part No.Description R111 0662057M33 20, 5% R112 0662057M61 300, 5% R120 0662057N14 43 k, 5% R130 0662057M98 10 k, 5% R131 0662057N05 18 k, 5% R132 0662057N33 270 k, 5% R133 NOT PLACED R136 NOT PLACED R161 0662057M57 200, 5% R170 0662057A34 240, 5% R171 0662057N14 43 k, 5% R172 0662057A32 200, 5% R173 0662057N29 180 k, 5% R174 0662057N15 47 k, 5% R175 0662057B59 3.0, 5% R176 0662057B59 3.0, 5% R191 0662057C01 0 R201 0662057N21 82 k, 5% R202 0662057N23 100 k, 5% R204 0662057N15 47 k, 5% R205 NOT PLACED R206 NOT PLACED R231 0662057M52 120, 5% R232 0662057M69 620, 5% R233 0662057M68 560, 5% R241 0662057M32 18, 5% R242 0662057M52 120, 5% R243 0662057M98 10 k, 5% R244 0662057N03 15 k, 5% R245 0662057M59 240, 5% R248 0662057M37 30, 5% R251 0662057M38 33, 5% R252 0662057M60 270, 5% R253 0662057M95 7500, 5% R254 0662057M96 8200, 5% R255 0662057M89 4300, 5% R256 0662057M37 30, 5% R260 0662057M74 1000, 5% R281 NOT PLACED R300 0662057M82 2200, 5% R301 0662057N23 100 k, 5% R302 0662057N23 100 k, 5% R303 0662057M78 1500, 5% R304 0662057N01 12 k, 5% R305 0662057M66 470, 5% R306 0662057N23 100 k, 5% R307 0662057N23 100 k, 5% R308 0662057M60 270, 5% R309 0662057M32 18, 5% R310 0662057M60 270, 5% R311 0662057N10 30 k, 5% Circuit RefMotorola Part No.Description
Circuit Board/Schematic Diagrams and Parts List5C-29 * Motorola Depot Servicing only** Not Serviceable R312 0662057M83 2400, 5% R313 0662057M62 330, 5% R314 0662057M85 3000, 5% R315 0662057N01 12 k, 5% R316 0662057A96 91 k, 5% R317 0662057M74 1000, 5% R318 0662057A79 18 k, 5% R319 0662057A29 150, 5% R320 0662057M74 1000, 5% R321 0662057M83 2400, 5% R322 0662057N30 200 k, 5% R324 0662057M81 2000, 5% R325 0662057M94 6800, 5% R326 NOT PLACED R327 0662057N11 33 k, 5% R328 0662057M12 2.7, 5% R329 0662057M01 0, 5% R330 NOT PLACED R331 NOT PLACED R332 NOT PLACED R333 NOT PLACED R334 NOT PLACED R335 NOT PLACED R336 NOT PLACED R338 NOT PLACED R339 0662057M01 0, 5% R340 0662057M96 8200, 5% R342 0662057N23 100 k, 5% R343 0662057M26 10, 5% R344 0662057N01 12 k, 5% R345 0662057M98 10 k, 5% R346 0662057N17 56 k, 5% R347 0662057M74 1000, 5% R348 0662057M87 3600, 5% R349 0662057C01 0 R350 0662057N23 100 k, 5% R351 0662057C01 0 R352 0662057M86 3300, 5% R355 0662057M01 0, 5% R501 0662057M70 680, 5% R502 0662057M56 180, 5% R505 0662057M98 10 k, 5% R506 0662057N15 47 k, 5% R507 0662057M01 0, 5% R509 0662057M01 0, 5% (not used in GP328 Plus) R510 0662057M01 0, 5% R511 NOT PLACED RT300 0680590Z01 Thermistor 33k RT301 NOT PLACED Circuit RefMotorola Part No.Description S501 4080710Z01 Channel Switch(Ref: 4080710Z09) 4080710Z05 Channel Switch (used in PMUE2049_ only)(Ref: 4080710Z12) S502 1880619Z02 Potentiometer (Volume) SH100 2680507Z01 Shield, Harmonic Filter SH101 2680510Z01 Shield, PA SH201 2680511Z01 Shield, Synthesizer SH202 2680511Z01 Shield, Synthesizer SH241 2604120G01 Shield, VCO SH242 2680514Z01 Shield, VCO Bottom / LVZIF SH301 2680554Z01 Shield, Receiver Front End To p SH302 2680555Z01 Shield, Receiver Front End Bottom SH303 2680509Z01 Shield, Mixer SH304 2680624Z01 Shield, Mixer Diode SH321 2680508Z01 Shield, LVZIF 2nd LO SH322 2680514Z01 Shield, VCO Bottom / LVZIF SH323 2604082P01 Shield, X’tal Filter T301 2580541Z02 Balun Transformer T302 2580541Z02 Balun Transformer U101 5185130C65 LDMOS Driver U102 5185765B26 PCIC U201 5185963A27 LV F R A C N U210 5102463J61 Inverter U211 5102463J61 Inverter U241 5105750U54 VCO Buffer U247 5105739X05 5V Regulator U248 5102463J58 3.3V Regulator U301 5109632D83 LV Z I F VR300 NOT PLACED VR439 4880140L17 12V Zener Diode VR440 4802245J73 6.8V Zener Diode VR441 4802245J73 6.8V Zener Diode VR443 4802245J73 6.8V Zener Diode VR444 4802245J73 6.8V Zener Diode VR501 4813830A18 6.8V Diode VR506 4802245J73 6.8V Zener Diode Y201 NOT PLACED8404102G03 RF PCB 8404102G04 RF PCB 8404102G05 RF PCB 8404102G07 RF PCB Circuit RefMotorola Part No.Description
5C-30Circuit Board/Schematic Diagrams and Parts List THIS PAGE INTENTIONALLY LEFT BLANK
Troubleshooting charts5C-31 9.0 Troubleshooting charts MCU Check Power 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 OK Not able to pro- gram RF Board ICsBefore replacing MCU, check SPI clock, SPI data, and RF IC select Replace Speaker Read Radio OK? Check Setup Reprogram the correct data. See FGU Troubleshooting 7.5V at Pin 3/5 U247? 4/ 3.3V at Pin 1 U248Check Q400 Replace U247/ U248 Check any short to SWB+, Vdda or Vddd Press PTT. Red LED does not light up PTT U409 Pin 53 low? Press PTT Q502-2 High? Check PB504 Check Q502-2 voltage LED Q502,R501 OK? Replace Faulty Component Check Accessories J403 OPT_SEL_1 & OPT_SEL_2 Pin 8 & 9 low? Radio could not PTT externally U409 Pin 52, 6 low? See FGU Troubleshooting chart LED should light up Check MCU PT T NO YES YES No No NO YESYES NOYESYES NO NO YES YES NO NO YES NO YES NO YESYESNO NO YES EXT SPKR EXT PT T INT AUDIO J403 Pin 9 low? Pin 8 high? ASFIC U404 Pin 14 & 15 high? Check Accessories Check U404 Check U420 Audio PA NO NO YES YES J403 Audio at Pin 2 & Pin 3 Check Spk. Flex Connection Audio at AudioPA (U420) input (U447) Audio from Pin 41 ASFIC, U404? Check ASFIC U404 Check Audio PA (U420) Check U301 LV ZIFAudio at Pin 2 U404? NO NO NO YESYES NO YES Troubleshooting Flow Chart for Controller
5C-32Troubleshooting charts Bad SINAD Bad 20dB Quieting No Recovered AudioSTART Audio at pin 27 of U301?Check ControllerYe s No Spray of inject 1st IF into XTAL Filter IF Freq: 45.1MHz Audio heard?BYe s No Check 2nd LO Control Voltage at C363 VCO locked?BYe s 16.8 MHz check at pin 22 U301? Activity on U301 sel pin? Check FGU No No A A Ye sCheck Q320 bias cir- cuitry for faults. Rotate Freq. Knob Check controller. Before replacing U301, check 2nd VCO Q320. Check VCO O/P level, C351, C352. Ye s No Troubleshooting Flow Chart for Receiver (Sheet 1 of 2)
Troubleshooting charts5C-33 IF Signal at L311? No RF Signal at T301? RF Signal at C310? No RF Signal at C307? No RF Signal at C301? No or Check harmonic filters L101 & L102 and ant. switches CR101, CR102, L104 Check filter between C301 & C307; program filter to schematic test freq and check varactor voltages. Inject RF into J101 Are varactor voltages OK? No Ye s Check RF amp (Q301) Stage. Check filter between C310 & T301. Ye s Check T301, T302, CR306, R308, R309, R310 Ye s 1st LO O/P OK? Locked?Ye s Check FGU Ye s Trace IF signal from L311 to Q302. Check for bad XTAL filter. No Ye sQ302 collector OK? IF signal present? Before replacing U301, check U301 voltages; trace IF signal path. Ye s Check for 2.6 VDC Is R5 present? Check Q210, U201 (pin 48) voltages and U247 No No No Check U404 voltage. U404 can be selected by MCU before replacing U404. Check varactor filter. NoYe s Ye s Ye s A A B weak RF Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)
5C-34Troubleshooting charts START No Power Is There B+ Bias for Ant switchCheck Q111 Is Current OK?Is Control Voltage High or LowCheck PCIC 1. Check Pin Diodes 2. Check Harmonic Filter Inspect/Repair Tx. Out- put Network Is Power OK? Done Check Drive to Module Is Drive OK? Troubleshoot VCO Inspect PA Network/Check Power Out of U101 at Cap C160 Is Power OK? Replace U101 Is Power OK? Replace Q101 Done Done No Ye s Ye sNo No Ye sLow High No Ye s Ye s No Ye s No Troubleshooting Flow Chart for Transmitter