Controller Asfic/On_Off Schematic Diagram - Motorola GP328 Detailed Service Manual

4-6
URX_SND
RX_AUD_RTN
Vdda
DACRx
VS_GAINSEL
VS_AUDSEL
VOX
FLAT_RX_SND

Controller ASFIC/ON_OFF Schematic Diagram

TP406
INT_EXT_Vdd
TP410
C408
1
100pF
C409
0.1uF
Vdda
C410
R475
0.1uF
0
C407
0.1uF
R425
30K
C479
C411
0.1uF
0.1uF
R445
DEMOD
24K
R449
24K
1
VDDA TXRTN
2
DISC GCB3
3
GNDA CLK168
4
DACU VDDD
5
DACR VDDCP
U404
6
DACG GNDD
09Z41
7
VOX GNDD0
8
C430
PLCAP F1200
9
0.1uF
SQIN
10
UIO VDDSYN
11
VDDDAC
12
AGCCAP PLCAP2
C414 C415 C452 C451
0.1uF .01uF 4.7uF .022uF
4V_3.3V
R405 R402
0 NU
SWB+
Vddd
Q400
1 3
C401 C400
0.1uF R401 .01uF
0
U400 C402
LP2951ACMM-3.3 0.1uF
C403
8 1 10uF
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
SHUTDOWN SENSE
6
VTAP
R407
68K
RESET
R476
24K
R448
CR440
270K
2
R447
3
1.5MEG
1
1
MECH_SWB+ Q403
2
C480 R446
10uF 220K
36
TX_AUD_RTN
35
RED_LED
34
C419
16.8MHz
33
NU
32
31
30
29
F1200
28
SYN
SYN
27
C416
26
0.1uF
NC
25
Vdda
C422
0.1uF
C420 C421
.01uF 0.1uF
R413
0
R400
47K
Vddd
5V
C427 C428
100pF 0.1uF
R429
10K
EE_CS
8 VCC U407
X25320_2.7V
6
CLK
1
CS
2
3
WP SO
7
HOLD
5
SI
4K x 8 BIT
VSS EEPROM
4
BATT_CODE
2 Vddd
UNSWB+
1
R406 R427
2.7K
75K
CR412
BATT_DATA_IN
2 3
Q405
4
4
1 5
1 2 3
OFF_BATT_DATA_OUT
R416
39K
3
MISO