Motorola Pr400 Detailed 6881096c25 B Manual
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Page 201
UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts Lists12-256881096C25-BJune, 2005 5V for 25kHz RX Back End (Overtone) 0V for 12.5kHz 3.39V 3.05V 0.74V 1.5V 2.1V When -47 dBm @ antenna 9.1pF 1.1%C5312 3 5V 1 23 D51 13 2D52 CR51C71 IF_DEMOD TC7W04F 17 0.1uF GND1 3 4 GND2 IN 1 OUT 2 U52-1 C69CFWC455EFL53 12K0.1uF C73 R521 IN2 OUT 4700pF FL54 CFWC455G GND1 3 GND24 0.1uFC55 5V 0.1uF C56C62 0.1uF C60 0.1uFC67 0.1uF R53 33K2.4K Q70MMBT3904 13 2 R60 C80 22pF 1% C59 2.7pFR73 1.8K NC R74...
Page 202
12-26UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts ListsJune, 20056881096C25-B TCXO NU NU 220pFCrystal R206 Y202UNLOCK: 0V 0.01uF3V 0V TX: 3V C202 1SV232 Y2012.7pF 45J68LOCK: 3V 4.5V NU NU 47kRX: 0V3.2V to 4.5V C201 Reference Oscillator NU 62pF NU NU NU 14R06 150k3V 0V D201 C203 100 R202 C2064 VCC 1 VCON UHF R2 Synthesizer NU Y202 45J68 16.8MHz 2 GN D 3 OU T C226 10uF D20122pF C220 2.2uF C212NC 5V 5V NC 10uF C225 C206FN_TRB 1 NU K3 SHIELDSH200 1SHIELDSH201 D220A16 A25 A34 1 K1 2...
Page 203
UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts Lists12-276881096C25-BJune, 2005
PRESC_OU T
TX: 3V
UHF R2 VCO
3.2V to 9.5V4.5V
RX: 0V15nH
L281L292 15nHL282
27nH
910 R282 NC
VCO_MOD VCO_VSF
150 R283
C267
1.3%7.5pF0.1uF C272220 R284
L276
27nHR277
0
R276
1K
VCO_3V
C251
150pF8.2K R281 220nHL272
6.8nHL291
V_SFR254
100
C276VCO_PRESC
6.8pF3.3pF C290
C282C291
18pF 6.8pF 390pFNU C271
5.6K
L271 1
R272 C274
SHIELDSH253
SHIELDSH250
10.1uF
27nHL262
0.5pFC268 V_SF
VCO_RX_IN J
R253...
Page 204
12-28UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts ListsJune, 20056881096C25-B UHF R2 Tx 820 R102390pF C113 390pFC171 C170 390pF R150 0.1 390pFR107 NU C103 C109 0.1uF390pF C158390pF PA_5TC154 C106 2G1 5G2 4S1 3S2 1 T1 6 T2 390pF 10pFJ140 U150-2LM29046 5 78 4 C104 PA_PWR_SET VR110 0.1uFC157 MM3Z3V9T1 3.9V R100 NC C152 820C155 0.1uF 390pF C123 3.9pF390pF R158 C121 30.54nH 1.5K 390pF C124 L141 5 2 36 4 1 Q170EMB10 C116 C137 220pF 0.1uF 2.7K R105330 R156 RFI N4 RFOUT3 VDD 2 VG G...
Page 205
UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts Lists12-296881096C25-BJune, 2005 AUDI O DC_REGULATION MICROPROCESSOR ACCESSORY/KEYPA D Controller CONNECTOR CNTL_5T C50 4 1000pF 1000p F C507 1000pF 1000pF C506 11 C503 SPI_DATA_OUT SQ_DET SW_B + VO X VS_AUDIO_SEL VS_GAIN_SEL uP_CL K CNTL_TX_EN A EXT_MIC_PTT F120 0 HSIO LSI O MOD_OUT OPT_MI C OPT_RX_AUD_RETURN OPT_RX_AUD_SEND_DETECTO R OPT_RX_AUD_SEND_UNMUTED OPT_TX_AUD_FLAT_RETURN OPT_TX_AUD_RETURN...
Page 206
12-30UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts ListsJune, 20056881096C25-B EEPROM GREEN LED RED LED Microprocessor FLASH SRAMNC C413 0.1uF 4.7K R419 91 NU R434 VDDSYN69 VRH68 VRL 13 VSS 40 VSSL 87 VSSRXFC93 48 XIRQ XTAL PJ4 76 PJ5 77 PJ6 78 PJ794 RESET 12 VDD 39 VDDL88 VDDR92 PI4 51 PI5 50 PI 6 49 PI 7 71 PJ0_CSGP3 72 PJ1_CSGP4 73 PJ2 74 PJ3 75 PH4_CSI O 42 PH5_CSGP1 41 PH6_CSGP2 38 PH7_CSPROG 56 PI0 55 PI 1 54 PI 2 53 PI 3 52 PG4_XA17 18 PG5_XA18 5 PG6_AS4 PG7_R_W 47 PH0_PW...
Page 207
UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts Lists12-316881096C25-BJune, 2005 25 14 6 ACCESSORY CONNECTOR INTERNAL SPEAKER 0Not Placed Not Placed Not Placed Not Placed Audio MICROPHONE CONNECTOR VHF UHF R513 R515 R516 R517DC Level 0.3 - 0.4 V low Not Placed 0100kSupply = 7.42 1/2 Supply = 3.22 Not_Placed:NU13 2 Q482 R494 330K C499 39pF 5V_A C456 0.1uFR478 2.2K 1u FC4981000pFC493 470pF C488 C489 470pFR469 10 Not_Placed:N U R482 330K 5V_B 5V_BR471 2.2K Not_Placed:NU...
Page 208
12-32UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts ListsJune, 20056881096C25-B 1 2DC Regulation Q493 3 100K R322 390pFC301 100 R507 Q311 D301 C313 .01uF 150pFC323 U330TK71730S BYPASS 4CTRL 3 GND 2 1 VIN VOUT5 .01uF R506C304 10uFC312 100 C302 390pF 10uFC334 F301 3A C333 .01uFU310TK71750S BYPASS 4CTRL 3 GND 2 1 VIN VOUT5 R310 100K VR302 MMBZ5250B 20V C316 1200pF 100K NCSHUTDOW N 8 TAP 3 R509 ERROR 7 FEEDBACK 2 GND1 INPUT4 OUTPUT 5 SENSE6 C305 100pF LP2986 U320 C331 .01uF330K 1%...
Page 209
UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts Lists12-336881096C25-BJune, 2005 VDDD C3 NOT PLACED NOT PLACED C6 NOT PLACED NOT PLACED C8 NOT PLACED NOT PLACED R14 NOT PLACED GND GND C1 NOT PLACED NOT PLACED LCD_SEL MAIN BOARD CONNECTOR GND R5 NOT PLACED R2 NOT PLACED DATA DISPLAY MODULE CONNECTOR R15...
Page 210
12-34UHF 438-470 MHz (8486348Z13-C) Schematic Diagrams, Overlays, and Parts ListsJune, 20056881096C25-B C1C2 C3 C4C5 C6C7C8 C9C10 C11 C12 C21 C23 C25 C27 C28C29C30C31C32C33 C34C35 C36 C37C38 C39 C46 C47 C48 C69C91 C92 C113C116 C117 C201C202 C204 C205 C207C208C209C210 C212 C213 C214 C215C216C217 C218 C219 C230C231C232C233 C240C241 C243 C244 C245 C251 C252C253 C254 C255C256 C257 C263 C264 C265C266C267C268 C281 C282 C283 C284C286 C301 C302 C303 C305C306 C400C402C403 C404 C406C407 C408 C409 C410 C412 C413...