Motorola MOTOTRBO XPR 7550e - Figure 7-14. Power Management and Audio Schematic Diagram (3 of 3)

7-16 Circuit Board/Schematic Diagrams and Parts List for VHF
E3300
R3320
Q3320
R3321
DC_LIN_VBUS_SUPPLY
ISNSN
ISNSP
VBUS_FET_CTRL
3
1
2
10K
47K
Q3322
5
4
8
7 6
3
2
1
C3321
DC_LIN_5V_VBUS
6
3
8
5
11
2
GND2
B1_1
B1_0
GND1
B0_1
B0_0
C3330
U3330
DC_LIN_5V
12
9
Q3327
R3334
USBGPIO_CTRL
USBGPIOSW
DP_GPIO1_GCAI_SHIELD
DC_LIN_5V
DM_GPIO2_GCAI_SHIELD
3
1
2
10
1
10K
47K
IO
IO
7
4
VCC1
S1
A1
VCC2
S0
A0
R3330
R3331
R3332
R3333
GPIO1_GCAI
ONEWIRE_GCAI
USB0_DM_SHIELD
USB0_DP_SHIELD
GPIO_GCAI_SEL2
GPIO_GCAI_SEL1
GPIO4_GCAI
GPIO2_GCAI
IO
IO
C3380
C3379
C3310
DC_RAWB+
VGCAIEN
U3310
C3378
C3384
R3313
R3314
C3315
DC_LIN_VBUS_SUPPLY
ADJ
BYPASS_PIN
85
7
2
4
3
G1
1
6
ADJ
GND
SHUTDOWN
BYPASS
INPUT
CTGND
OUTPUT
NC1
NC2
NC
NC
Figure 7-14. Power Management and Audio Schematic Diagram (3 of 3)