Motorola PRO3150 Manual De Servicio página 63

1
R498
5
Q431-1
100K 6
R499
10K
R493 R494
NU
0
FLAT_SW
C443
0.1uF
R461
0V
100K
1
TP410
1
5
Q419-1
6
Vdda
R475
0
C407
0.1uF
URX_SND
R425
30K
C479 C412
C411
0.1uF 0.1uF
0.1uF
RX_AUD_RTN
R445
24K
Vdda
R449
24K
1
VDDA
2
DISC
3
DEMOD
GNDA
4
DACRx
DACU
5
DACR
6
DACG
7
VOX VOX
8
C430
PLCAP
9
0.1uF
SQIN
10
FLAT_RX_SND UIO
11
VDDDAC
12
AGCCAP
C414 C415 C452 C451
0.1uF .01uF 4.7uF .022uF
4V_3.3V
R405 R402
0
SWB+
Vddd
TP406
1
C401
C400
R401
0.1uF .01uF
0
U400
7.45V LP2951ACMM-3.3
8 1
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
SHUTDOWN SENSE
6
C408 VTAP
100pF
C409
0.1uF
RESET
C410
R476
0.1uF
24K
R448
270K
R447
1.5MEG
1
MECH_SWB+
C480 R446
10uF 220K
7.45V
36
TXRTN TX_AUD_RTN
35
GCB3 RED_LED
34
C419
CLK168
16.8MHz
33
NU (UHF); 0.01uF (VHF)
VDDD
32
VDDCP
U404
31
GNDD
09Z41
30
GNDD0
29
F1200
F1200
28
SYN
SYN
27
C416
VDDSYN
26 C487
0.1uF
NC
25 NU
PLCAP2
Vdda
C422
0.1uF
C420 C421
.01uF 0.1uF
R413
0
R400
47K
5V
C427
100pF
R429
10K
EE_CS
6
1
3
7
5
RSSI
BATT_CODE
R462
100K 4
3.28V
2
Q419-2
3
NU
Q400
3 2 BATT_PULL_UP
UNSWB+
1
R406
75K
C402
0.1uF
C403
CR412
10uF
2 3
Q405
4
4
1 5
3.28V
1 2 3
OFF_BATT_DATA_OUT
R416
CR440
39K
2
3
3
1
Q403
2
3.29V
Vddd
C428
0.1uF
8 VCC U407
X25320_2.7V
CLK
CS
2
WP SO MISO
HOLD
SI
4K x 8 BIT
VSS EEPROM
4
ZMY0130299-C
Figura 4-9. Diagrama esquemático del ASFIC/ON_OFF del controlador
4-11
R427
10K
BATT_DATA_IN