Motorola PRO Elite Serie Manual De Servicio página 74

Diagramas de la tarjeta del controlador
Vdda
(3.3V)
DEMOD
DACRx
VOX
C430
0.1uF
FLAT_RX_SND
ZMY0130817-O
Figura 5-4. Diagrama esquemático del ASFIC/ON_OFF del controlador
TP410
1
C410
C405 0.1uF
Vdda
100pF
C408
C409
0.1uF
100pF
R475
0
C479
0.1uF
R425
30K
R481
24K
C411
Vdda
0.1uF
U404
30C53
36
1
VDDA TXRTN
35
2
DISC GCB3
3 34
GNDA CLK168
4 33
DACU VDDD
32
5
DACR VDDCP
31
6
DACG GNDD
7 30
ASFIC CMP
VOX GNDDO
29
8 5185130C53
PLCAP F1200
28
9
SQIN SYN
10 27
UIO VDDSYN
11 26
VDDDAC NC
25
12
SQCAP PLCAP2
C414 C415 C452 C451
0.1uF 0.01uF 1uF .022uF
C420 C421
.01uF 0.1uF
R400
47K
SWB+
(3.3V)
Vddd
TP406
1
C401
C400
0.1uF .01uF
U400
LP2951ACMM-3.3
8 INPUT OUTPUT 1
7 FEEDBACK ERROR 5
3 SHUTDOWN SENSE 2
VTAP 6
R476
24K
RESET
C406
0.1uF
4813824A17
R448
MMBT3906L
10K
Q403
R455
R447 R452
100K
MECH_SWB+
NU
R456
100K 100K
0
C480 R453 R454
10uF 100K 100K
NU NU
C481
0.1uF
RED_LED
16.8MHz C419
100pF
FN1
,
NU
F1200
SYN
C416
0.1uF
Vdda
R413
(3.3V)
0
C422
0.1uF
Vddd
5V
C427 C428
100pF
0.1uF
R429
10K
EE_CS
U407
X25128-2.7
6 8K x 8 EEPROM
SCK
1
CS
3 EEPROM 2
WP MISO
SO
7
HOLD
5
SI
BCX71KL
4809579E18
Q400
3 2
UNSWB+
1
R406
75K
C402 C403
0.1uF 10uF
BATT_CODE
Vddd
R427
RB731U
2.7K
4802245J62
CR412
K1 A1
K2 A2
K3 A3
Q405
4
R451
1 2 3
15K
OFF_BATT_DATA_OUT
4802245J54
R416
CR440
10K UMG5
2
3
1
4813833C02
MMBD6100LT1
5-4
BATT_DATA_IN