Motorola APX 7000 Detailed Service Manual

8-48 Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/700–800 MHz
Figure 8-27. MNUS4000A/C/E 700–800 MHz Receiver Front End Circuit
CTRL_RX_78_LNA_A = 3V (HIGH), LNA'S TURN ON
CTRL_RX_78_LNA_A
DC_LIN_1_8V_A
IN
IN
22K
22K
2
3
1
Q401
MUN5212T
R413
1
E401
C427
R404R403
R401
R402
43
5
Q402
16
2
Q402
C424
BC858CD
2.7
4.7UF
BC858CD
33PF
3.3K
68
82K
22K
2
C426
C425
L403
U406
L402
R406
R405
12NH
BFR380F
3PF
2.7
2.4NH
10
1PF
23
1
L401
C423
6.8PF
12NH
4.7UF
C422C421
33PF
15PF
3
C413
1
CTRL_RX_78_SW1
L407
J3
GND
J2
V2
J1
V1
IN2
GND1
GND2
GND3
GND4
OUT2
OUT1IN1
L408
5
7
3
FL401
6
4
1
52
U404
C418C416
C412
7.5NH
33PF
10NH
AS211334
CTRL_RX_78_SW2
B4232
33PF
47PF
4
8
6
2
CTRL_RX_78_SW2
J3
GND
J2
J1
V1
6
4
1
3
52
U402
C408
C404 C406
C402
0
33PF
CTRL_RX_78_SW1
AS211334
33PF
33PF
V2
C409
0
CTRL_RX_78_SW1 = 0V, 700 PATH SELECTED
SW1 AND SW2 HAVE TO BE OPPOSITE
CTRL_RX_78_SW2 = 0V, 800 PATH SELECTED
TL_RX_78
IN
IN2
GND1 GND2 GND3 GND4
OUT2
OUT1IN1
J3
GND
J2
V2
J1
V1
C405 C407
6
4
1
3
52
U403
C411
5
7
3
1
8 6 4
2
FL402
C410
AS211334
CTRL_RX_78_SW2
0
33PF
33PF
B4232
CTRL_RX_78_SW1
0
C415
6
4
1
3
52
U405
C414
C417 C419
CTRL_RX_78_SW2
0
AS211334
CTRL_RX_78_SW1
33PF 33PF
0
J3
GND
J2
V2
J1
V1
R408
R407
21
E402
16
2
Q403
R409
4
3
5
Q403
R410
BC858CD
68
3.3K
82K
22K
BC858CD
C428 C429
33PF
4.7UF
C434C431
4.7UF33PF
L404
L405
12NH
12NH
L406
R411
C430
2
3
1
U407
C432
C433
R412
RF_RX_FE_B2_OUT
10
2.7
3PF
.5PF
6.8PF
4.7NH
BFR380F
OUT
61
U408
NC7WZ04
CTRL_RX_78_SW1
IN
VCC
GND
NC
43
U408
2
U408
CTRL_RX_78_SW2
NC7WZ04
DC_LIN_3V
NC7WZ04
IN
5

Motorola APX 7000 Specifications

General

Digital Technology	P25 Phase 1 and Phase 2
Emergency Button	Yes
Frequency Range	136-174 MHz (VHF), 380-470 MHz (UHF Range 1), 450-520 MHz (UHF Range 2), 764-870 MHz (700/800 MHz)
Display	Color LCD
Encryption	AES, DES
Water Resistance	IP67
GPS	Yes
Bluetooth	Yes
Operating Temperature	-30°C to +60°C
Weight	391 g (with standard battery)