Motorola CDM Series Detailed Service Manual page 479

VHF (136–174 MHz) 25–45 W Bipolar PCB 8486140B12, Schematics, and Parts Lists
7.44VDC (R)
0VDC (T)
L3302
100nH
R3303
2.2K
11-14dBm (R)
RXINJ_VHF_VCO_1 C3302
L3301 2.18VDC (R)
0VDC (T)
18nH Q3301
RXINJ 6.8pF
C3304
C3301
C3306 R3301
15pF
75 330pF
5.1pF
NU
NU
R3308
R3304
0
1K
1.49VDC (R)
0VDC (T)
R3302 C3303
.01uF
100
TXINJ_VHF_VCO_1
0-5dBm (T)
TXINJ
PRESC_VHF_VCO_1
-2 to 7dBm
PRESC
0VDC (R)
TRB_VHF_VCO_1
4.91VDC (T)
TRB
WARISMOBILE VHF_VCO
Q3303
UMC5N
9.14VDC (R)
0VDC (T)
3 9.21VDC
4
3.83VDC (R)
2
0VDC (T)
1
NC
R3311
100
R3312
100
C3311 L3331
NU
68nH
.022uF
C3331
L3332
10pF
C3312 R3319
100nH
0.1uF 47K NU
NU NU
L3311
R3313
R3321
100nH
1K
10K
NU
NU
R3316
0
C3305
R3306
R3318
22
5.6pF
C3314
22
NU
NU
R3305
Q3302
6.8pF
220 R3307
NU
220
NU
R3317
NU
10K
R3314
C3316
NU
10
3.3pF
NU
C3315
C3313
R3315 15pF
330pF
220
NU NU
L3317
C3317
33nH
33pF
VSF
C3335
.01uF
R3335 C3336
R3331
.01uF
33
47
4.40VDC
C3332 C3333
0.1uF 0.1uF 1.53VDC (R)
0VDC (T)
C3348
.01uF
Q3304
BFQ67W
C3334
.022uF
0.92VDC (R)
0VDC (T)
18 14
U3301
50U54 1
TX_IADJ
2
RX_IADJ
10
TX_OUT
8 3
RX_OUT SUPER_FLTR
4
COLL_RFIN
12
PRESC_OUT
5
NC
RX_BASE
7 6
RX_SWITCH NC
RX_EMITTER
13
16
TX_SWITCH
TX_BASE
15
TX_EMITTER
20
FLIP_IN
19
TRB_IN
R3351
20K
4.52VDC (R)
C3351
0VDC (T)
.01uF
R3355
20K
0VDC (R)
4.52VDC (T)
C3355
R3323
L3318
VSF
.01uF
100nH
1K
C3361
1000pF
C3318
5.6pF
R3361
220
C3319
1000pF
VSF
9V3_VHF_VCO_2
9V3_VHF_VCO_3
9V3_VHF_VCO_1
VDDA_VHF_VCO_1
4.97VDC
VSF_VHF_VCO_1
4.54VDC
L3333
1uH
C3337 C3324
0.1uF .01uF
C3344
1.8pF
C3341
D3341
C3345
L3346
20pF
1000pF
R3342 35.5nH
39
R3341
C3342
R3336
L3343
L3341
3pF
15K
220
180nH
8nH
L3345
1uH
1.42VDC (R)
0VDC (T)
R3352
C3352
12K
.022uF
0VDC (R)
L3351
1.92VDC (T)
1uH
R3356
C3356
12K
C3357
.022uF
D3361
7.5pF
C3364
R3362
C3363
47
15pF
68pF
L3362 L3363
C3362 68nH 56nH
L3361
5.6pF
56nH
4.52VDC (R)
R3364
R3363
2.62VDC (T)
39K 47K
NU
D3362
VHF (136–174 MHz) 25–45 W Bipolar Voltage Controlled Oscillator
Section 8: 4-7
9V3
VDDA
VSF
VCTRL_VHF_VCO_1
L3344
2.5-11VDC R3343
VCTRL
1uH
100
C3346
.01uF
C3347
.01uF
VCOBIAS_1_VHF_VCO_1
R3353
VCOBIAS_1
100K
VCOBIAS_2_VHF_VCO_1
R3354
VCOBIAS_2
150K
L3364
1uH
C3365
1000pF
VCOMOD
VCOMOD_VHF_VCO_1
ZWG0130394-O
6881091C63-F