Controller Asfic/On_Off Schematic Diagram - Motorola GP88s Service Manual

7-6
FLAT_SW
URX_SND
RX_AUD_RTN
Vdda
DEMOD
DACRx
VOX
FLAT_RX_SND

Controller ASFIC/ON_OFF Schematic Diagram

1
R498
5
Q431-1
100K 6
R499
10K
R493
R494
NU 0
TP406
C443
0.1uF
R461
100K
1
TP410 C408
1
5
100pF
Q419-1
6
Vdda
C410
R475
0 0.1uF
C407
0.1uF
R425
30K
C412
C479
C411
0.1uF 0.1uF
0.1uF
R445
24K
R449
24K
1
VDDA TXRTN
2
DISC
3
GNDA CLK168
4
DACU VDDD
5
DACR VDDCP
U404
6
DACG 09Z41 GNDD
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
1
C401 C400
R401
0.1uF .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
C409
0.1uF
RESET
R476
24K
R448
CR440
270K
2
R447
3
1.5MEG
1
1
Q403
MECH_SWB+
2
C480 R446
10uF 220K
36
TX_AUD_RTN
35
GCB3 RED_LED
34
C419
16.8MHz
33
NU
32
31
30
29
F1200
28
SYN SYN
27
C416
26 C487
0.1uF
NC
NU
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
VCC U407
8
X25320_2.7V
6
CLK
1
CS
2
3
SO
WP
7
HOLD
5
SI
4K x 8 BIT
VSS EEPROM
4
RSSI
BATT_CODE
R462
100K 4
2
Q419-2
3
Q400
3 2 BATT_PULL_UP
UNSWB+
1
R406 R427
10K
75K
CR412
BATT_DATA_IN
2 3
Q405
4
4
1
5
1 2 3
OFF_BATT_DATA_OUT
R416
39K
3
MISO
ZMY0130299-A