Motorola APX 7000 Detailed Service Manual page 469

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2/ 700–800 MHz
DC_LIN_1_5V
IN
DC_LIN_1_875V_D
IN
DC_LIN_2_775V
IN
DC_LIN_5V
IN
DC_LIN_2_775V
L720
2.2UH
C715
.1UF
D722
C716 IMN10
.1UF 4 3
A1 K1
5 2
A2 K2
6 1
A3 K3
C717
.1UF
C718
D723
.1UF
IMN10
4 3
A1 K1
5 2
A2 K2
6 1
K3
A3
C719
.1UF
DC_LIN_1_875V_D
R721
10K
DIG_CTRL_RSTB
IN
RF_PRESCALAR
IN
DC_LIN_2_775V DC_LIN_1_875V_D DC_LIN_2_775V
L733 L735
L727
2.2UH 2.2UH
2.2UH
C726 C730 C734 C737
.1UF .1UF .1UF .1UF
C724 C725
10UF .1UF
DIG_DATA_AUX_SPI_MISO
SDM_
REF_
VCC
D3
AGC_REF
A6
AGC_FLAG
K6
AUX_DAC
A5
NC RFSTEPA_GPO6
C3
AGC_DAC
NC
B5
NC DC_CAL_GPO5
B2
BP_I
NC
C1
RXI
NC
C2
NC RXIX
B1
BP_IX
NC
A10
NC SDM_VAG
E1
BP_Q
NC
D1
RXQ
NC
D2
NC RXQX
E2
BP_QX
NC
F5
NC SCAN_IN
B6
NC RX_EN_OUT
J7
ICAP
NC
K7
NC QCAP
J10
CLK_OUT
NC
J11
NC TCLK
L6
NC NTXQ
L7
TXQ
NC
K8
NC NTXI
L8
TXI
NC
F8
INCR_DECR
NC
G11
NC PHCLK
A3
FBQ
NC
A4
NC FBI
DC_LIN_2_775V DC_LIN_2_775V_16_8_MHZ_IN
L728
390NH
C731
.1UF
Y701
1XTV16800VDA C736
R729
16.8MHZ
22K .01UF
1 3
VCONT OUTPUT
5
NC1
NC
6
NC2
NC
7
NC3 NC
8
C732 NC4
NC
39PF
DC_LIN_2_775V
L738
2.2UH
U702
15H28
R706
D9
SPI_DR
D8 0
CEX
D10
SPI_DW
C11
SPI_CLK
F9
TXFS
F10
TXCLK
F11
TXD
F7
DMCS
D11
RXD NC
E9
RXCLK NC
E8
RXFS NC
D7
RXACQ R704
J2
ESC_IN
51
L3
NC
ESC_CP
K1 R703
ESCD2_OUT
K2
51
ESCD2_OUTX
H2
ESC_INX
C748
220PF C705
C747 220PF
L9 220PF
HP_MOD_OUT
G2
MN_ADAPT_CP
H1 C749 .1UF
M_PRSCX
G1 R755
M_PRSC
39K
RF_PRESCALAR
G3
MN_CP
C744
10UF
C742
.1UF
L741 DC_LIN_2_775V_16_8_MHZ_IN
2.2UH
DC_LIN_5V
R702
0
C750
R745
.1UF
22K
C739
4.7PF
1 U746
C752
BFQ67W
180PF
R743
47K
R751
C710 C711
270
560PF 56PF
Figure 8-92. MNUS4002A/E Frequency Generation Unit (Synthesizer) Circuit – 1 of 2
DIG_CTRL_LOCK
DIG_DATA_SPI_MISO
DIG_CTRL_SPI_TRIDENT_PE
DIG_DATA_SPI_MOSI
DIG_SPI_CLK
DIG_TX_SSI_FS
DIG_TX_SSI_CLK
DIG_DATA_TX_SSI
DIG_CTRL_SSI_TRIGGER
RF_ESCORT
RF_ESCORT_DIV2_NONINV
RF_HP_MOD_OUT
ANA_ADAPT_CHARGE_PUMP
ANA_CHARGE_PUMP
DC_SUPER_FILTER_5V
C756 C757
10UF .1UF
DC_LIN_2_775V
C758
.047UF
R707
0
U703
DIG_DATA_AUX_SPI_MISO
MAX7301ATL
V_POS
32
40
SCLK DOUT
34 30
CS P4
33 28
DIN P5
26
P6
36
24
ISET P7
1
P8
29 3
P31 P9
27 5
P30 P10
25 7
P29 P11
23
2
P28 P12
22 4
P27 P13
R754 5.6K DNP 21 6
P26 P14
19 8
P25 P15
R753 5.6K DNP 18 9
P24 P16
17 10
P23 P17
R752 5.6K 16 12
P22 P18
15 13
P21 P19
14
P20
11
NC1 NC
20
NC2 NC
31
NC3 NC
L753
2.2UH
C754 C712
56PF
270PF
DNP DNP
8-193
DC_LIN_2_775V
OUT
DC_LIN_1_5V
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
DIG_CTRL_R78H
OUT
DIG_CTRL_FEBS
OUT
DIG_CTRL_T78H
OUT
DIG_CTRL_TR
OUT
DIG_CTRL_TR
OUT
DIG_CTRL_E
OUT
DIG_CTRL_TXH1
OUT
DIG_CTRL_D
OUT
DIG_CTRL_F
OUT
DIG_CTRL_A
OUT
DIG_CTRL_C
OUT
DIG_CTRL_VR
OUT
DIG_CTRL_78T
OUT
DIG_CTRL_VTUR1
OUT
DIG_CTRL_7T8R
OUT
DIG_CTRL_8T7R
OUT
DIG_CTRL_UT1
OUT
DIG_CTRL_UT2
OUT
DIG_CTRL_RX7H
OUT
DIG_CTRL_RX8H
OUT
DIG_CTRL_ATTH
OUT
DIG_CTRL_I_LIMIT
OUT
DIG_CTRL_RMTH
OUT
DIG_CTRL_G
OUT
DIG_CTRL_B
OUT
DIG_CTRL_H
OUT
DIG_CTRL_UR2
OUT
CLK_16_8_MHZ
OUT