Motorola GP344 Detailed Service Manual page 106

3-54
URX_SND
RX_AUD_RTN
Vdda Vdda
(3.3V)
DEMOD
DACRx
VS_GAINSEL
VS_AUDSEL
VOX
C430
0.1uF
FLAT_RX_SND
C414
0.1uF
Controller ASFIC/ON_OFF Schematic Diagram
8471678L01/8471679L01
TP410
1
C410
0.1uF
C405
Vdda
100pF
C408 C409
100pF 0.1uF
R475
0
C479
0.1uF
R425
30K
R481
24K
C411
0.1uF
U404
30C53
1 36
VDDA TXRTN
2 35
DISC GCB3
3 34
GNDA CLK168
4 33
ASFIC CMP
DACU VDDD
5 32
DACR VDDCP
6 31
DACG GNDD
7 30
VOX GNDDO
8 5185130C53 29
PLCAP F1200
9 28
SQIN SYN
10 27
UIO VDDSYN
11 26
VDDDAC NC
12 25
SQCAP PLCAP2
C415 C452 C451
0.1uF 1uF .022uF
C420 C421
.01uF 0.1uF
R400
47K
SWB+
TP406
1
C401
C400
0.1uF
.01uF
U400
LP2951ACMM-3.3
8 1
INPUT OUTPUT
7 5
FEEDBACK ERROR
3 2
SHUTDOWN SENSE
6
VTAP
R476
24K
RESET
C406
0.1uF R479
510
C498
0.1uF
4813824A17
MMBT3906L
R448
10K
Q403
R447 R452
MECH_SWB+
100K 100K
C480 R453
10uF 100K
NU
C481
0.1uF
TX_AUD_RTN
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
470pF 0.1uF
R429
10K
5102463J64
EE_CS
U407
X25128-2.7
6
SCK
8K x 8 EEPROM
1
CS
3 2
WP EEPROM SO MISO
7
HOLD
5
SI
BCX71KL
(3.3V) 4809579E18
Vddd
Q400
3 2
UNSWB+
1
R406
75K
C402 C403
0.1uF 10uF
BATT_CODE
CR412
Q405
4
R451
1 2 3
15K
OFF_BATT_DATA_OUT
R455
4802245J54
100K
R416
CR440
NU UMG5
10K
R456
2
0
3
1
R454
100K
4813833C02
NU
MMBD6100LT1
Shigeru Hasegawa
ASFIC
Shigeru Hasegawa
PCB and Schematic Drawings IP67
Vddd
R427
RB731U
2.7K
4802245J62
K1 A1 BATT_DATA_IN
K2 A2
K3 A3