Motorola GP344 Detailed Service Manual page 126

3-74
R425
30K
R445
24K
Vdda
(3.3V)
R449
24K
DEMOD
DACRx
VOX
C430
0.1uF
FLAT_RX_SND
C414
0.1uF
ZMY0130781-O
Controller ASFIC/ON_OFF Schematic Diagram
8404051G07/G08/G09
TP410
1
C409
C408
0.1uF
470pF
Vdda
R475 C410
0.1uF
0
C479
0.1uF
R481
24K
C411
0.1uF
1 TXRTN 36
VDDA
2 GCB3 35
DISC
3 34
GNDA
CLK168
4 33
VDDD
DACU ASFIC CMP
5 32
N.U. DACR VDDCP
U404
6
31
N.U. DACG GNDD
30C53
7
30
GNDD0
VOX 5185130C53
8 29
F1200
PLCAP
9
28
SQIN SYN
10
27
UIO VDDSYN
11
26
VDDDAC NC
12 PLCAP2 25
AGCCAP
C415 C452 C451
1uF .022uF
0.1uF
C420
.01uF
SWB+
TP406
1
C401
C400
0.1uF
.01uF
U400
LP2951ACMM-3.3
8
INPUT
OUTPUT
7
FEEDBACK ERROR
3
SHUTDOWN SENSE
VTAP
R476
24K
RESET
R448
4813824A17
10K
MMBT3906L
Q403
R447
R452
2
100K
100K
MECH_SWB+
1
3
R453
C480
NU
10uF
R454
NU
C481
0.1uF
RED_LED
16.8MHz
C419
NU
F1200
SYN
C416
0.1uF
Vdda
(3.3V)
C422
C421
0.1uF
0.1uF
R413
0
R400
47K
Vddd
5V
C428
C427
470pF 0.1uF
R429
10K
EE_CS
U407
X25650-2.7
8K x 8 EEPROM
6
SCK
1 CS
3 WP 2
SO
7
HOLD
5 SI
EEPROM
PCB and Schematic Diagrams - Radios without Keypad and Display
4809579E18
(3.3V)
BCX71KL
Vddd
Q400
BATT_CODE
3 2
UNSWB+
1
R406
75K
C402 C403
1 0.1uF 10uF
5
2
4802245J54
6
4 Q405
UMG5
1 2 3
R416
10K
R451
15K
OFF_BATT_DATA_OUT
R455
NU
CR440
R456
0
2
3
1
4813833C02
MMBD6100LT1
MISO
Vddd
R427
2.7K
RB731U
4802245J62
CR412
K1 A1 BATT_DATA_IN
K2 A2
K3 A3