Motorola MOTOTRBO XPR 7550e - Figure 7-16. VCO Schematic Diagram (1 of 2)

7-18 Circuit Board/Schematic Diagrams and Parts List for VHF
R0228
R0227
DC_VCO_SF_SHIELD DIG_VCO1_EN
IN
IN
R0218
Q0233
4
1 3
6
5
2
47K
10K
47K
10K
R0229
R0222
R0273
R0271
C0272
R0272
L0271
C0289
C0274
C0273
C0271
R0274
TL_VCO_OUT_SHIELD
VCO2_OUT_SHIELD
OUT
Q0202
R0261
C0264
23
1
C0263
C0261
C0262
L0261
R0262
C0254
C0252
L0252
VR0206
VR0205
C0253
VR0207
VR0204
21
2
1
2
1
21
R0283
R0217
Q0204
R0287
C0283
R0281
C0292
C0284
C0255
3
1
2
10K
47K
L0282
R0284
R0293
C0285
C0286
Q0234
4 1
3 6
52
B1
C1
E1
C2
B2
E2
C0288
C0287
R0285
R0286
L0281
C0290
C0282
C0281
R0282
SH0201
2
1
R0221
R0220
L0251
C0251
DC_VCO2_VCTRL_SHIELD
DC_VCO_VCTRL_SHIELD
IN
L0253
Figure 7-16. VCO Schematic Diagram (1 of 2)