Motorola GP1280 Series Service Information - Page 14

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Motorola GP1280 Series Service Information
3-4
URX_SND
RX_AUD_RTN
VS_GAINSEL
VS_AUDSEL
FLAT_RX_SND
Controller ASFIC / ON-OFF
TP410
C408
1
100pF
Vdda
C410
R475
0.1uF
0
C407
0.1uF
R425
30K
C479
C411
0.1uF
0.1uF
R445
DEMOD
24K
Vdda
R449
24K
1
VDDA
2
DISC
3
GNDA
4
DACRx
DACU
5
DACR
U404
6
DACG
09Z41
7
VOX
VOX
8
C430
PLCAP
9
0.1uF
SQIN
10
UIO
11
VDDDAC
12
AGCCAP
C414
C415
C452
C451
0.1uF
.01uF
4.7uF
.022uF
Controller - Set 1 (PCB 8480450Z03, 8485641Z02, 8480587Z01, 8485677Z01, 8480641Z03)
4V_3.3V
R405
R402
0
NU
SWB+
Vddd
TP406
1
C401
C400
R401
0.1uF
.01uF
0
U400
C402
7.45V
LP2951ACMM-3.3
0.1uF
8
1
INPUT
OUTPUT
7
5
FEEDBACK
ERROR
3
2
INT_EXT_Vdd
SHUTDOWN
SENSE
6
VTAP
R407
68K
C409
0.1uF
R476
RESET
24K
R448
CR440
270K
2
R447
3
1.5MEG
1
1
Q403
MECH_SWB+
2
C480
R446
10uF
220K
7.45V
36
3.29V
TXRTN
TX_AUD_RTN
35
GCB3
RED_LED
34
C419
CLK168
16.8MHz
33
0.01uF
VDDD
32
VDDCP
31
GNDD
30
GNDD0
29
F1200
F1200
28
SYN
SYN
27
C416
VDDSYN
26
0.1uF
NC
25
PLCAP2
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
4
VSS
Q400
BATT_CODE
3
2
Vddd
UNSWB+
1
R427
R406
75K
2.7K
C403
CR412
10uF
BATT_DATA_IN
2
3
Q405
4
4
1
5
3.28V
1
2
3
OFF_BATT_DATA_OUT
R416
39K
3
NOTE: C419 is used in VHF Controller
and not used in UHF Controller
MISO
ZWG0130109-A
ZWG0130109-A