Motorola GP240 Service Information - Page 20

Browse online or download pdf Service Information for Two-Way Radio Motorola GP240. Motorola GP240 30 pages. Professional radio, power distribution and controller
Also for Motorola GP240: User Manual (46 pages), Service Information (32 pages), Service Information (30 pages), User Manual (46 pages)

Motorola GP240 Service Information
3-10
URX_SND
RX_AUD_RTN
VS_GAINSEL
VS_AUDSEL
FLAT_RX_SND
Controller ASFIC / ON-OFF
TP410
1
C405
100pF
800 MHz only
Vdda
R475
0
C407
0.1uF
R425
30K
C479
0.1uF
R445
24K
C411
Vdda
0.1uF
R449
24K
1
VDDA
2
DEMOD
DISC
3
GNDA
DACRx
4
DACU
5
DACR
6
DACG
7
VOX
VOX
8
C430
PLCAP
9
0.1uF
SQIN
10
UIO
11
VDDDAC
12
AGCCAP
C414 C415
C452
C451
0.1uF
0.1uF
4.7uF
.022uF
FROM_RF
4V_3.3V
R405
0
SWB+
TP406
1
C401
C400
R401
0.1uF
.01uF
0
U400
LP2951ACMM-3.3
8
1
INPUT
OUTPUT
R407
7
5
ERROR
68K
3
2
FEEDBACK
INT_EXT_Vdd
SENSE
SHUTDOWN
6
C410
VTAP
C406
0.1uF
0.1uF
C408
C409
Used for Lowband Only
100pF
0.1uF
RESET
R448
10K
R447
R452
Q403
MECH_SWB+
100K
100K
1
C480
R453
10uF
NU
36
TX_AUD_RTN
TXRTN
35
GCB3
RED_LED
34
C419
CLK168
16.8MHz
33
NU
VDDD
32
VDDCP
U404
31
GNDD
09Z41
30
GNDD0
29
F1200
F1200
28
SYN
SYN
27
VDDSYN
C416
26
NC
0.1uF
25
PLCAP2
Vdda
C420
C421
C422
.01uF
0.1uF
0.1uF
R413
R400
0
47K
5V
R429
10K
EE_CS
6
1
3
7
HOLD
5
Controller - Set 2 (PCB 8480450Z13/14, 8485641Z06)
R402
NU
Q400
Vddd
BATT_CODE
3
2
UNSWB+
1
R406
75K
C402
C403
CR412
0.1uF 10uF
3
K1
2
K2
1
Q405
K3
4
2
R476
1
3
24K
R416
R451
10K
15K
OFF_BATT_DATA_OUT
2
R455
R456
CR440
NU
0
3
2
3
R454
1
NU
Vddd
C427
C428
100pF
0.1uF
U407
8
X25128-2.7
SCK
CS
2
WP
SO
MISO
SI
4
4Kx8 BIT
EEPROM
ZMY0130084-D
Vddd
R427
2.7K
A1 4
BATT_DATA_IN
A2 5
A3 6