Motorola Gm328 Gm338 Gm398 Detailed 6804112j18 E Manual
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VHF 1-25W PCBs / Schematics / Parts Lists4-15 ZWG0130565-O 9180469V03 3.9VDC 12.5kHz 0VDC 20/25kHz 5VDC 0.75VDC0.75VDC 3VDC9180469V069180469V04 9180468v04 9180468V06 3VDC 6.8K R3107 9V3 R3135 1.2K 390 1 GND1 GND2 2 GND3 4 5 GND4 3 IN6 OUTR3115 FL3101 12R16R3117 27K Q3102Q3151 680 R3146 620nH L3111 620 R3108 R3118 6.8K R3111 12K C31015V_VHF_IF_1 GND24 1 IN2 OUT NU 2.2pFFL31113GND1 U3115-1CNTL 131 2VDD 14VSS7 DISCAUDIO_VHF_IF_1 15K R31320.1uF C3144 120pF C3143 C3139 C3141 0.1uF 0.1uF 131 2VDD 14VSS7 Q3141 U3111-1 CNTL R3116 330 10 9V3_VHF_IF_2 3 GND 1 IN 2 OUT R3102C3110 27pFFL3113 0.1uF C3142 9.1pF IFIN_VHF_IF_1100 R3104 NU C3113 1 2 GND2 4 GND3 GND4 5IN 3 OUT6 NU DISCAUDIO 12R16 FL3102 GND1 1000pFR3151 C3100 C3140 0.1uF10K 11 10 VDD 14VSS7 3 14VDD7 VSS U3111-4 CNTL 12 U3115-2 5 CNTL4 Q3152 C3152 .01uF .01uF C3151 R3133 8.2K 4700pF C3146 27K R3106 C3112 390 R3141 82pF 10 R3112 1.8K R3142R3154 10K C3122 .039uF Q3101 6 VCC 330 R3113 20 MIXOUT4 OSCIN 3 OSCOUT 10 QUADIN1 RFIN2 RFIN_DEC 5 RSSIOUT9 RSSI_FEED 15 18 IFAMPIN 16 IFAMPOUT 19 IFAMP_DEC1 17IFAMP _DEC2 14 LIMIN 11 LIMOUT 13 LIM_DEC1 12 LIM_DEC2SA616U31018 AUDIOOUT7 AUDIO_FEED GND 51 44.395MHz 12R17Y3101 2 GND 4 GND1 3 OUT 1 INR3130 C3136 30pFC3135 33pF 12K R3101 R3147 12K C3133 10uF C3115 100 R3105 22pF 620nH L3100 0.1uF NUC3137 .039uF C3134455KHz3 21 BWSELECT_VHF_IF_1 BWSELECT 45B02 Y3102 C3103 33pF C3132 0.1uF10K R3152 0.1uF C3111U3115-3 6CNTL 8914VDD7VSS 18pF C3114 L3112 620nH 9V3_VHF_IF_1 5V D3101 RSSI_VHF_IF_1 OUT .039uF C3123FL3112 3GND1 GND2 4 1 IN2 R3114 100 R3134 10K NU 2.4K R3144 U3111-2 5 CNTL4 314VDD7VSS 3.3K R3145 C3145 C3147 0.1uF 620nH L31010.1uF 220pF C3148 NU10 VDD 14VSS7 NU 1pF C3131U3115-4 CNTL 1211 C3121 0.1uFFL3115 GND1 34 GND2 IN 1 OUT2 15pFC3102NU U3111-3 6CNTL 89 14 VDD7VSS 3GND 1 IN2 OUT RSSI C3116FL3114 0.1uF 0.1uFR3153 C3104 5V10K 5V9V3 9V3 9V3 9V3 9V3 5V 9V3 5V9V3 0 R3123 1uH NU L312433pF C3124820 R3124 VHF (136-174 MHz) IF
4-16VHF 1-25W PCBs / Schematics / Parts Lists
0VDC5VDC 5VDC (SOURCE)
-2 to +7dBm 13.30VDC
6.83VDC
4.52VDC (R)
+1dBm
0VDC (R) 4.95VDC (R)
2.90VDC
3.42VDC3.63VDC
2.5VDC 1.1-4.1VDC
0VDC (T)
2.62VDC (T)
4.91VDC (T)
Temp.
Comp.
Xtal
Ref.Osz. 11.28VDC4.97VDC
2.5-11VDC
5VDC (LOCKED)
0VDC (UNLOCKED)R3203A15
A24
A3
K1 1K2 2K3 3
47 D32016
47K
NU
TRBL3232
2.2uH
NUR3228
C3231 C3225
.01uF L3201
390nH
0.1uF C3202
.01uF
100 R3223C3229
D3221
0.1uF.047uF
CLK
C3251 C3207
22pF
NU47K
VCOBIAS_2 R3225
C3226
8.2pF
MODIN_VHF_FN_1 TP3201
R3252VCOBIAS_1_VHF_FN_1
330K
16_8MHz_VHF_FN_1PRESC_VHF_FN_1
R3242
0
100 R3241VSF_VHF_FN_1
DATA
VCOMOD_VHF_FN_1
CSX_VHF_FN_1 100pF C3227
22pF
NUCSX IN_5V_RF_REG_VHF_FN_1
C3240
NU
1 GND
4 GND1
3
OUT 6
IN 16.8MHz
75Z04Y3261100K R3227
0.1uF C3254 C3208
0.1uFNU
.01uF C3232 47K R3226
PRESC C3214
2.2uF
C3221
0.1uF
1uF C3224
C3263
0.1uF VMULT1 15 14
VMULT2 12
VMULT3 11
VMULT4
VRO
13
25
WARP
23XTAL1XTAL2
2427
SFBASE
26
SFCAP
30 SFIN 28
SFOUT
37
TEST1 38
TEST2
21
VBPASS
47
VCP
31
NC3
44
PD_GND
PD_VDD 5
PREIN32
33
PRE_GND 34
PRE_VDD
35
PVREF18
REFSEL 45
IADAPT 16
INDMULT
43
IOUT LOCK 4
10
MODIN
41
MODOUT17
NC129
NC2
39
BIAS242
CCOMP
9
CEX
8
CLK7
DATA
DGND6 36
DVDD
19
FREFOUT 46
ADAPTSW
22
AGND
48
AUX1 1
AUX2 2
AUX3 3
AUX4
20
AVDD
40
BIAS1VCOBIAS_1
63A27
U3201
47 R3201
VSF C32220 R3211
0.1uF
L3231 0.1uF C3211
TP3202
2.2uH C3243
220pF 16_8MHzVDDA VDDA_VHF_FN_1
VCOBIAS_2_VHF_FN_1
0.1uF C3209C3246
220pF NU
C3206
10uF 5V_VHF_FN_2
150K R3206
Q3221
R3251
180K
.01uF C3228
0.1uF
C3235 2.2uF C3210
VCTRL_VHF_FN_1
R3204
LOCK_VHF_FN_147
1uF C3223
NU
220pF
R3262
NUC3245 BWSELECT
6.2KC3215
R3224
47K C3213
2.2uF
1
GND
5 IN
2
NR 4
OUT3
SD
2.2uF
VCC4
VCNTL1ADP3300U3211
6
ERR
Y3263
TTS05V 16.8MHzGND2
OUT
3
MODIN VCTRL
C3255
DATA_VHF_FN_1
220pF C32422.2uF 5V_VHF_FN_1
.01uF
R3222
680
TRB_VHF_FN_1C3205
C3262
330pF
NU NU VCOMOD
C3241
56pF
R3261
47K
2.2uF C3233 R3221
CLK_VHF_FN_1 C3252 390
1000pF
.01uFC3234 C3253
4.7uF
NUIN_5V_RF_REG 5V
D3261
C3261
NU LOCK
C3244
39pF BWSELECT_VHF_FN_1
220pF C3203
4,7k .01uF
NC
5V 5V
R3263 NC
NCNC NC
NCNCNC
NC NC
NCVDDA
VDDA NC
NC
NC
.022uFC3212
R3202
10MEG
NU
10pF C3247
In case Y3261 is used instead of Y3263,
replacement of the following parts requires
new temperature compensation of the frequency:
Y3261, U3201, R3261, R3262, C3262, D3261
ZWG0130564-O
VHF (136-174 MHz) FRACN
VHF 1-25W PCBs / Schematics / Parts Lists4-17VHF PCB 8486172B07 Parts List 1-25W Circuit RefMotorola Part No.DescriptionC3000 2113741F37 3.3nF 50V C3001 2113740F19 4.7pF 5% C3002 2113740F26 9.1pF 5% C3003 2113741F37 3.3nF 50V C3004 2113740F45 56pF 5% C3005 2113740F51 100pF 5% C3006 2113740F45 56pF 5% C3007 2113741F37 3.3nF 50V C3008 2113741F25 1nF 50V C3009 2113741F13 330pF 50V C3010 2113741F13 330pF 50V C3011 2113741F37 3.3nF 50V C3012 2113741F25 1nF 50V C3013 2113740F45 56pF 5% C3014 2113740F24 7.5pF 5% C3015 2113740F45 56pF 5% C3016 2113740F51 100pF 5% 50V C3017 2113740F42 43pF 5% 50V C3019 2113741F25 1nF 50V C3020 2113741F25 1nF 50V C3021 2113740F53 120pF 5% 50V C3022 2113741F49 10nF 50V C3026 2113743E20 100nF 16V C3027 2113741F49 10nF 50V C3028 2113741F49 10nF 50V C3030 2113741F25 1nF 50V C3033 2113740F20 5.1pF 5% 50V C3034 2113740F49 82pF 5% 50V C3035 2113740F33 18pF 5% 50V C3036 2113741F25 1nF 50V C3100 2113741F25 1nF 50V C3102 2113740F31 15pF 5% 50V C3103 2113740F39 33pF 5% 50V C3104 2113743E20 100nF 16V C3110 2113740F37 27pF 5% 50V C3111 2113743E20 100nF 16V C3112 2113740F49 82pF 5% 50V C3114 2113740F33 18pF 5% 50V C3115 2113740F35 22pF 5% 50V C3116 2113743E20 100nF 16V C3121 2113743E20 100nF 16V C3122 2113743E11 39nF 10% C3123 2113743E11 39nF 10% C3124 2113740L30 33pF 2% C3132 2113743E20 100nF 16V C3133 2311049A57 TANT CP 10uF 10% 16V C3134 2113743E20 100nF 16V C3135 2113740L30 33pF 2% C3136 2113740L29 30pF 2% C3137 2113743E11 39nF 10% C3139 2113743E20 100nF 16V C3140 2113743E20 100nF 16V C3141 2113743E20 100nF 16V C3142 2113743E20 100nF 16V C3143 2113740F53 120pF 5% 50V C3144 2113743E20 100nF 16V C3145 2113743E20 100nF 16V C3146 2113741F41 4.7nF 50V C3147 2113743E20 100nF 16V C3151 2113741F49 10nF 50V C3152 2113741F49 10nF 50V C3202 2113741F49 10nF 50V C3203 2113741F49 10nF 50V C3205 2113741F49 10nF 50V C3206 2311049A57 TANT CP 10uF 10% 16V C3208 2113743E20 100nF 16V C3209 2113743E20 100nF 16V C3210 2311049A40 TANT CP 2.2uF 10% 10V C3211 2113743E20 100nF 16V C3212 2113743E07 22nF 16V C3312 2113743E07 22nF 16V C3213 2311049A40 TANT CP 2.2uF 10% 10V C3214 2311049A09 TANT CP 2.2uF 10% 20V C3215 2311049A09 TANT CP 2.2uF 10% 20V C3221 2113743E20 100nF 16V C3222 2113743E20 100nF 16V C3224 0882422W23 FILM SM 1.0uF 15V 5% C3225 2113743E20 100nF 16V C3226 2113740F25 8.2pF 5% 50V C3227 2113740F51 100pF 5% 50V C3228 2113743E20 100nF 16V C3229 2113743E12 47nF 10% C3231 2113741F49 10nF 50V C3232 2113741F49 10nF 50V C3233 2311049A40 TANT CP 2.2uF 10% C3234 2113741F49 10nF 50V C3235 2113741F49 10nF 50V C3242 2113740F59 220pF 5% 50V C3243 2113740F59 220pF 5% 50V C3244 2113740F59 220pF 5% 50V C3245 2113740F59 220pF 5% 50V C3246 2113740F59 220pF 5% 50V C3247 2113740F27 10pF 5% 50V C3251 2113743E20 100nF 16V C3252 2113741F25 1nF 50V C3253 2311049A56 TANT CP 4.7uF 20% 10V C3254 2113743E20 100nF 16V C3255 2311049A40 TANT CP 2.2uF 10% 10V C3263 2113743E20 100nF 16V C3302 2113740F23 6.8pF 5% 50V C3303 2113741F49 10nF 50V Circuit RefMotorola Part No.Description C3306 2113740F20 5.1pF 5% 50VC3311 2113743E07 22nF 16V C3314 2113740F23 6.8pF 5% 50V C3315 2113740F31 15pF 5% 50V C3316 2113740F15 3.3pF 5% 50V C3317 2113740F39 33pF 5% 50V C3318 2113740F21 5.6pF 5% 50V C3319 2113741F25 1nF 50V C3324 2113741F49 10nF 50V C3332 2113743E20 100nF 16V C3333 2113743E20 100nF 16V C3334 2113743E07 22nF 16V C3335 2113741F49 10nF 50V C3336 2113741F49 10nF 50V C3337 2113743E20 100nF 16V C3341 2113741F25 1nF 50V C3342 2113740L05 3.0pF +-0.1pF C3344 2113740F09 1.8pF 5% 50V C3345 2113740L25 20pF +-0.25pF C3346 2113741F49 10nF 50V C3347 2113741F49 10nF 50V C3348 2113741F49 10nF 50V C3351 2113741F49 10nF 50V C3352 2113743E07 22nF 16V C3355 2113741F49 10nF 50V C3356 2113743E07 22nF 16V C3357 2113740F24 7.5pF 5% 50V C3361 2113741F25 1nF 50V C3362 2113740F21 5.6pF 5% 50V C3363 2113740F47 68pF 5% 50V C3364 2113740F31 15pF 5% 50V C3365 2113741F25 1nF 50V C3400 2113740F63 330pF 5% 50V C3401 2113740F63 330pF 5% 50V C3402 2113743E07 22nF 16V C3403 2113740F39 33pF 5% 50V C3404 2113740F39 33pF 5% 50V C3405 2113740F67 470pF 5% 50V C3406 2113740F67 470pF 5% 50V C3410 2113743E07 22nF 16V C3411 2113743E07 22nF 16V C3412 2113740F63 330pF 5% 50V C3414 2113740F63 330pF 5% 50V C3415 2113743E07 22nF 16V C3416 2113740F63 330pF 5% 50V C3417 2113740F43 47pF 5% 50V C3418 2113740F39 33pF 5% 50V C3419 2113740F57 180pF 5% 50V C3420 2113740F57 180pF 5% 50V C3421 2113741A57 33nF 50V C3422 2113740A67 330pF 5% 50VCircuit RefMotorola Part No.Description C3423 2311049A08 TANT CP 1uF 10% 35V C3424 2113740F67 470pF 5% 50V C3425 2113743E07 22nF 16V C3426 2113740F63 330pF 5% 50V C3427 2113741F33 2.2nF 50V C3428 2113741F33 2.2nF 50V C3431 2111078B34 HQ 47pF 5% C3433 2111078B36 HQ 56pF 5% C3434 2113741A45 10nF 50V C3435 2113740A67 330pF 5% 50V C3436 2311049A45 TANT CP 10uF 10% 35V C3437 2113741A57 33nF 50V C3438 2111078B59 HQ 470pF 5% C3439 2111078B59 HQ 470pF 5% C3440 2113741F25 1nF 50V C3441 2111078B47 HQ 150pF 5% C3442 2111078B47 HQ 150pF 5% C3445 2111078B21 HQ 20pF 5% C3446 2111078B42 HQ 100pF 5% C3447 2111078B19 HQ 16pF 5% C3448 2111078B44 HQ 120pF 5% C3449 2111078B44 HQ 120pF 5% C3450 2113740F67 470pF 5% 50V C3451 2113741F25 1nF 50V C3452 2113740F29 12pF 5% 50V C3453 2113740F67 470pF 5% 50V C3471 2113743E07 22nF 16V C3472 2111078B53 HQ 270pF 5% C3473 2111078B53 HQ 270pF 5% C3474 2113740F59 220pF 5% 50V C3475 2113740F23 6.8pF 5% 50V C3491 2111078B18 HQ 15pF 5% C3492 2111078B38 HQ 68pF 5% C3493 2111078B09 HQ 6.8pF 5% C3494 2111078B16 HQ 13pF 5% C3495 2111078B01 HQ 3.3pF 5% C3496 2111078B31 HQ 36pF 5% C3498 2111078B16 HQ 13pF 5% C3499 2111078B19 HQ 16pF 5% C3501 2113741F33 2.2nF 50V C3502 2113741F33 2.2nF 50V C3503 2113740F67 470pF 5% 50V C3504 2113741F49 10nF 50V C3505 2311049A07 TANT CP 1uF 10% 16V C3506 2113741F33 2.2nF 50V X7R C3507 2113740F51 100pF 5% 50V C3508 2113740F67 470pF 5% 50V C3510 2113740F67 470pF 5% 50V D3000 4813833C02 DUAL SOT MMBD6100 D3001 4805649Q13 VCTR 1SV228 SOT23 D3003 4880154K03 DUAL SCHOTTKY SOT23 Circuit RefMotorola Part No.Description
4-18VHF 1-25W PCBs / Schematics / Parts ListsD3004 4805649Q13 VCTR 1SV228 SOT23D3011 4880142L01 PIN D3031 4886143B01 MIXER DIODE CROSSOVER D3101 4880154K03 DIODE DUAL SCHOTTKY D3201 4802233J09 TRIPLE SOT143-RH D3221 4880236E05 CHIP SCHOTTKY D3341 4805649Q13 VCTR 1SV228 SOT23 D3361 4805649Q13 VCTR 1SV228 SOT23 D3362 4862824C01 VARACTOR CHIP D3401 4813833C02 DUAL SOT MMBD6100 D3451 4880236E05 CHIP SCHOTTKY D3471 4802482J02 PIN MA/COM D3472 4802482J02 PIN MA/COM FL3101 9180112R16 44.85 MHZ CRYSTAL FLTR 80dB FL3102 9180112R16 44.85 MHZ CRYSTAL FLTR 80dB F L 3 111 9180469V03 CER FLTR 6EL 455 KHZ SMD FL3112 9180469V06 CER FLTR 6EL 455 KHZ SMD FL3113 9180468V04 CER FLTR 4EL 455 KHZ SMD FL3114 9180468V06 CER FLTR 4EL 455 KHZ SMD J3401 0986166B02 RF CONN MINI UHF L3002 2462587T23 COIL CHIP 470nH L3031 2462587T24 COIL CHIP 560nH L3032 2462587T17 COIL CHIP 150nH L3101 2462587T25 COIL CHIP 620nH L3111 2462587T25 COIL CHIP 620nH L3112 2462587T25 COIL CHIP 620nH L3124 2462587N68 1uH L3201 2462587Q42 IND CHIP 390nH 10% L3231 2462587Q20 IND CHIP 2.2uH 20% L3301 2462587N44 CHIP IND 18 NH 5% L3302 2462587N53 CHIP IND 100 nH 5% L3317 2462587V28 CHIP IND 33 NH 5% L3318 2462587V34 IND CHIP 100nH 5% L3331 2462587V32 CHIP IND 68NH 5% L3332 2462587V15 IND CHIP 100nH 10% L3333 2462587Q47 IND CHIP 1uH 10% L3341 2484562T13 MINI-SPRING AW IND 8NH 2% L3343 2462587N56 COIL CHIP 180nH 5% L3344 2462587N68 CHIP IND 1 uH 5% L3345 2462587N68 CHIP IND 1 uH 5% L3346 2484562T18 MINI-SPRING AW IND 35.5NH 2% L3351 2462587N68 CHIP IND 1 uH 5% L3361 2462587N50 CHIP IND 56 nH 5%Circuit RefMotorola Part No.Description L3362 2462587N51 CHIP IND 68 nH 5% L3363 2462587N50 CHIP IND 56 nH 5% L3364 2462587N68 CHIP IND 1 uH 5% L3401 2460591A01 SQUARE COIL 4.22nH 3T L3402 2484657R01 Ferrite Bead L3403 2462587T13 COIL CHIP 68nH L3411 2462587T13 COIL CHIP 68nH L3412 2462587X43 IND CHIP LO-PRO 15.0 L3413 2460591B04 SQUARE COIL 11.03nH 4T L3414 2460591A11 SQUARE COIL 7.66nH 3T L3421 2484657R01 Ferrite Bead L3422 2460591C23 SQUARE COIL 16nH 3T L3436 2484657R01 Ferrite Bead L3437 2460592A01 COIL AW 17nH 2T L3443 2460591X02 COIL SQUARE 25nH L3471 2462587X69 IND CHIP 1.2uH 5% L3472 2460592B01 COIL AW 51nH 4T L3491 2460592B01 COIL AW 51nH 4T L3492 2460592B01 COIL AW 51nH 4T L3493 2460592B01 COIL AW 51nH 4T M3421 2686201B01 HEAT SPREADER Q3001 4813827A07 TSTR NPN SML SIG MMBR9 Q3002 4813824A17 TSTR PNP 40V .2A B=100- Q3021 4805921T02 TSTR DUAL ROHM FMC2 Q3101 4813827A07 TSTR NPN SML SIG MMBR9 Q3102 4813827A07 TSTR NPN SML SIG MMBR9 Q3141 4813824A10 TSTR NPN 40V .2A B=50-150 Q3151 4880048M01 TSTR NPN DIG 47k/47k Q3152 4880048M01 TSTR NPN DIG 47k/47k Q3221 4880048M01 TSTR NPN DIG 47k/47k Q3301 4813827A07 TSTR NPN SML SIG MMBR9 Q3303 4802245J50 TSTR DUAL NPN/PNP UMC5N Q3304 4805218N63 RF TRANS SOT 323 BFQ67W Q3411 4805921T02 DUAL ROHM FMC2 RH Q3421 4802245J55 MRF1507 Q3422 4880048M01 NPN DIG 47k/47k Q3441 4886136B01 LDMOS PWR TSTR MRF1565 MRF1550 Q3442 4880048M01 NPN DIG 47k/47k Q3471 4880048M01 NPN DIG 47k/47k Q3472 4805128M27 PNP SOT89 BSR33 LH R3000 0662057A53 1k5 1/16W 5% R3001 0662057A97 100k 1/16W R3002 0662057A43 560 1/16W 5% R3003 0662057A49 1k 1/16W 5% R3004 0662057A53 1k5 1/16W 5% R3006 0662057A73 10k 1/16W 5% R3009 0662057A97 100k 1/16W R3010 0662057A45 680 OHMS 5%Circuit RefMotorola Part No.Description R3011 0662057A65 4k7 1/16W 5% R3012 0662057A49 1k 1/16W 5% R3013 0662057A61 3k3 1/16W 5% R3014 0662057A18 51 1/16W 5% R3015 0662057A01 10 1/16W 5% R3016 0662057A01 10 1/16W 5% R3018 0662057A33 220 1/16W 5% R3019 0662057A89 47k 1/16W 5% R3021 0662057A43 560 1/16W 5% R3024 0662057A39 390 1/16W 5% R3025 0662057A53 1k5 1/16W 5% R3026 0662057A73 10k 1/16W 5% R3027 0662057A73 10k 1/16W 5% R3028 0662057A39 390 1/16W 5% R3031 0662057A18 51 1/16W 5% R3033 0662057B47 0 1/16W R3101 0662057A75 12k 1/16W 5% R3102 0662057A01 10 1/16W 5% R3105 0662057A25 100 1/16W 5% R3106 0662057A83 27k 1/16W 5% R3107 0662057A69 6k8 1/16W 5% R3108 0662057A44 620 OHMS 5% R 3 111 0662057A75 12k 1/16W 5% R3112 0662057A01 10 1/16W 5% R3113 0662057A37 330 1/16W 5% R3115 0662057A39 390 1/16W 5% R3116 0662057A37 330 1/16W 5% R3117 0662057A83 27k 1/16W 5% R3118 0662057A69 6k8 1/16W 5% R3123 0662057B47 0 1/16W R3124 0662057A47 820 1/16W R3130 0662057A18 51 1/16W 5% R3132 0662057A77 15k 1/16W 5% R3133 0662057A71 8k2 1/16W 5% R3134 0662057A73 10k 1/16W 5% R3135 0662057A51 1k2 1/16W 5% R3141 0662057A39 390 1/16W 5% R3142 0662057A55 1k8 1/16W 5% R3144 0662057A58 2k4 1/16W 5% R3145 0662057A61 3k3 1/16W 5% R3146 0662057A45 680 OHMS 5% R3147 0662057A75 12k 1/16W 5% R3151 0662057A73 10k 1/16W 5% R3152 0662057A73 10k 1/16W 5% R3153 0662057A73 10k 1/16W 5% R3154 0662057A73 10k 1/16W 5% R3201 0662057A17 47 1/16W 5% R3202 0662057B46 10MEG R3203 0662057A17 47 1/16W 5% R3204 0662057A17 47 1/16W 5% R3206 0662057B02 150k 1/16W Circuit RefMotorola Part No.Description R3211 0662057B47 0 1/16WR3221 0662057A39 390 1/16W 5% R3222 0662057A45 CHIP RES 680 OHMS 5% R3223 0662057A25 100 1/16W 5% R3224 0662057A89 47k 1/16W 5% R3225 0662057A89 47k 1/16W 5% R3227 0662057A97 100k 1/16W R3241 0662057A25 100 1/16W 5% R3242 0662057B47 0 1/16W R3251 0662057B04 180k 1/16W 5% R3252 0662057B10 330k 1/16W 5% R3261 0662057A89 47k 1/16W 5% R3263 0662057A65 4k7 1/16W 5% R3301 0662057A22 75 1/16W 5% R3302 0662057A25 100 1/16W 5% R3303 0662057A57 2k2 1/16W 5% R3304 0662057A49 1k 1/16W 5% R3308 0662057B47 0 1/16W R3311 0662057A25 100 1/16W 5% R3316 0662057B47 0 1/16W R3318 0662057A09 22 1/16W 5% R3321 0662057A73 10k 1/16W 5% R3323 0662057A49 1k 1/16W 5% R3331 0662057A17 47 1/16W 5% R3335 0662057A13 33 1/16W 5% R3336 0662057A77 15k 1/16W 5% R3341 0662057A33 220 1/16W 5% R3342 0662057A15 39 1/16W 5% R3343 0662057A25 100 1/16W 5% R3351 0662057A80 20k 1/16W 5% R3352 0662057A75 12k 1/16W 5% R3353 0662057A97 100k 1/16W R3354 0662057B02 150k 1/16W R3355 0662057A80 20k 1/16W 5% R3356 0662057A75 12k 1/16W 5% R3361 0662057A33 220 1/16W 5% R3362 0662057A17 47 1/16W 5% R3364 0662057A89 47k 1/16W 5% R3400 0662057A41 470 1/16W 5% R3401 0662057A36 300 1/16W 5% R3402 0662057A05 15 1/16W 5% R3403 0662057A36 300 1/16W 5% R3404 0662057A89 47k 1/16W 5% R3405 0662057A25 100 1/16W 5% R3406 0662057A97 100k 1/16W R3412 0662057A67 5k6 1/16W 5% R3413 0662057A61 3k3 1/16W 5% R3414 0683962T51 120 1W 5% R3415 0662057A25 100 1/16W 5% R3416 0662057A25 100 1/16W 5% R3418 0662057A81 22k 1/16W 5%Circuit RefMotorola Part No.Description
VHF 1-25W PCBs / Schematics / Parts Lists4-19 * Motorola Depot Servicing only Reference designators with an asterisk indicate components which are not fieldreplaceable because they need to be calibrated with specialized factory equipment after installation. Radios in which these parts have been replaced in the field will be off frequency at temperature extremes. R3421 0662057A87 39k 1/16W 5% R3422 0662057A57 2k2 1/16W 5% R3423 0662057A87 39k 1/16W 5% R3424 0662057C13 2R7 1/10W 5% R3425 0662057C13 2R7 1/10W 5% R3426 0662057C13 2R7 1/10W 5% R3427 0662057C13 2R7 1/10W 5% R3428 0662057A58 2k4 1/16W 5% R3429 0662057A33 220 1/16W 5% R3431 0680194M18 51 1W 5% R3432 0680194M18 51 1W 5% R3433 0662057C13 2R7 1/10W 5% R3434 0662057C13 2R7 1/10W 5% R3435 0662057C13 2R7 1/10W 5% R3441 0662057A87 39k 1/16W 5% R3442 0662057A57 2k2 1/16W 5% R3443 0662057A87 39k 1/16W 5% R3444 0662057C19 4R7 1/10W 5% R3445 0662057A58 2k4 1/16W 5% R3446 0662057B47 0 1/16W R3450 0662057A41 470 1/16W 5% R3452 0662057A75 12k 1/16W 5% R3454 0662057A84 30k 1/16W 5% R3455 0662057A97 100k 1/16W R3457 0683962T51 120 1W 5% R3471 0662057A41 470 1/16W 5% R3473 0680194M18 51 1W 5% R3474 0680194M18 51 1W 5% R3475 0662057A73 10k 1/16W 5% R3491 0662057A73 10k 1/16W 5% R3501 0662057A69 6k8 1/16W 5% R3502 0662057A87 39k 1/16W 5% R3504 0662057A73 10k 1/16W 5% R3505 0662057B09 300k 1/16W 5% R3507 0662057A80 20k 1/16W 5% R3508 0662057A97 100k 1/16W R3509 0662057A49 1k 1/16W 5% T3001 2508396X02 TRANSFORMER T3002 2508397X02 TRANSFORMER U3101 5186144B01 FM IF IC SA616 U 3 111 5113805A86 IC QUAD ANALOG MUX/ DEMUX U3115 5113805A86 IC QUAD ANALOG MUX/ DEMUX U3201 5185963A27 IC TESTED AT25016 48 PIN GFP U3211 5105739X05 IC SOT 5V HI-PRECISION REGULAT U3301 5105750U54 VCO BUFFER PKG DIE U3401 5105109Z67 LDMOS DRIVER VHF/UHF U3402 5180932W01 LINEAR IC OP AMP Circuit RefMotorola Part No.Description U3501 5185765B01 IC POWER CONTROLU3502 5185963A15 TEMP SENSOR 1M5 VR3471 4813830A15 5.6V 5% 225mW Y3101 4880606B09 CRYSTAL 44.395 MHZ Y3102 9186145B02 CERAMIC DISCRIMINATOR 455kHz Y3263 4886182B01 VCTCXO 16.8MHz 2ppm TTSO5V * Y3261 Not Used 16.8MHz 75Z04Circuit RefMotorola Part No.Description
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GM328/GM338/GM398 Mobile Radios UHF (403-470MHz) Service Information Issue: December, 2003
Computer Software Copyrights The Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs, including the exclusive right to copy or reproduce in any form, the copyrighted computer program. Accordingly, any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant, either directly or by implication, estoppel or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for the normal non-exclusive royalty- free license to use that arises by operation of law in the sale of a product.
i Table of Contents Section 1 Model Chart and Technical Specifications 1.0 GM328/GM338/GM398 Model Chart ................................................................... 1-1 2.0 Technical Specifications ...................................................................................... 1-2 Section 2 Theory of Operation 1.0 Introduction .......................................................................................................... 2-1 2.0 UHF (403-470 MHz) Receiver ............................................................................. 2-1 2.1 Receiver Front-End ........................................................................................ 2-1 2.2 Front-End Band-Pass Filters & Pre-Amplifier ................................................. 2-2 2.3 First Mixer and High Intermediate Frequency (IF) .......................................... 2-2 2.4 Low Intermediate Frequency (IF) and Receiver Back End ............................. 2-3 3.0 UHF (403-470 MHz) Transmitter Power Amplifier (PA) 25 W.............................. 2-3 3.1 First Power Controlled Stage.......................................................................... 2-4 3.2 Power Controlled Driver Stage ....................................................................... 2-4 3.3 Final Stage ..................................................................................................... 2-4 3.4 Directional Coupler ......................................................................................... 2-5 3.5 Antenna Switch............................................................................................... 2-5 3.6 Harmonic Filter ............................................................................................... 2-5 3.7 Power Control ................................................................................................. 2-5 4.0 UHF (403-470 MHz) Frequency Synthesis .......................................................... 2-6 4.1 Reference Oscillator ....................................................................................... 2-6 4.2 Fractional-N Synthesizer ................................................................................ 2-7 4.3 Voltage Controlled Oscillator (VCO) ............................................................... 2-8 4.4 Synthesizer Operation .................................................................................... 2-9 Section 3 Troubleshooting Charts 1.0 Troubleshooting Flow Chart for Receiver ............................................................ 3-1 2.0 Troubleshooting Flow Chart for 25W Transmitter ................................................ 3-3 3.0 Troubleshooting Flow Chart for Synthesizer ........................................................ 3-6 4.0 Troubleshooting Flow Chart for VCO ................................................................... 3-7
ii Section 4 UHF PCB/Schematics/Parts Lists 1.0 Allocation of Schematics and Circuit Boards ....................................................... 4-1 1.1 Controller Circuits ........................................................................................... 4-1 2.0 UHF 1-25W PCBs / Schematics / Parts Lists ...................................................... 4-3 UHF (403-470 MHz) 1-25W 8485670Z02 Top Side ............................................... 4-3 UHF (403-470 MHz) 1-25W 8485670Z02 Bottom Side ......................................... 4-4 UHF (403-470 MHz) Power Amplifier 1 - 25W ....................................................... 4-5 UHF (403-470 MHz) FRACN .................................................................................. 4-6 UHF (403-470 MHz) Voltage Controlled Oscillator................................................. 4-7 UHF (403-470 MHz) Receiver Front End ............................................................... 4-8 UHF (403-470 MHz) IF ........................................................................................... 4-9 UHF PCB 8485670Z02 Parts List 1-25W ............................................................. 4-10 UHF (403-470 MHz) 1-25W 8485670Z03 Top Side ............................................. 4-13 UHF (403-470 MHz) 1-25W 8485670Z03 Bottom Side ....................................... 4-14 UHF (403-470 MHz) Power Amplifier 1 - 25W ..................................................... 4-15 UHF (403-470 MHz) FRACN ................................................................................ 4-16 UHF (403-470 MHz) Voltage Controlled Oscillator............................................... 4-17 UHF (403-470 MHz) Receiver Front End ............................................................. 4-18 UHF (403-470 MHz) IF ......................................................................................... 4-19 UHF PCB 8485670Z03 Parts List 1-25W ............................................................. 4-20